blob: 35418bbe6b1579b4b3101bbdd21d4238b829f539 [file] [log] [blame]
Johan Hedberg03811012010-12-08 00:21:06 +02001/*
2 BlueZ - Bluetooth protocol stack for Linux
Johan Hedbergea585ab2012-02-17 14:50:39 +02003
Johan Hedberg03811012010-12-08 00:21:06 +02004 Copyright (C) 2010 Nokia Corporation
Johan Hedbergea585ab2012-02-17 14:50:39 +02005 Copyright (C) 2011-2012 Intel Corporation
Johan Hedberg03811012010-12-08 00:21:06 +02006
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI Management interface */
26
Paul Gortmaker3a9a2312011-05-27 09:12:25 -040027#include <linux/module.h>
Johan Hedberg03811012010-12-08 00:21:06 +020028#include <asm/unaligned.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <net/bluetooth/hci_core.h>
Johan Hedberg71290692015-02-20 13:26:23 +020032#include <net/bluetooth/hci_sock.h>
Johan Hedberg4bc58f52014-05-20 09:45:47 +030033#include <net/bluetooth/l2cap.h>
Johan Hedberg03811012010-12-08 00:21:06 +020034#include <net/bluetooth/mgmt.h>
Marcel Holtmannac4b7232013-10-10 14:54:16 -070035
Johan Hedberg0857dd32014-12-19 13:40:20 +020036#include "hci_request.h"
Marcel Holtmannac4b7232013-10-10 14:54:16 -070037#include "smp.h"
Johan Hedberga380b6c2015-03-17 13:48:48 +020038#include "mgmt_util.h"
Johan Hedberg03811012010-12-08 00:21:06 +020039
Johan Hedberg2da9c552012-02-17 14:39:28 +020040#define MGMT_VERSION 1
Marcel Holtmanne58627d2015-06-18 18:58:03 +020041#define MGMT_REVISION 10
Johan Hedberg02d98122010-12-13 21:07:04 +020042
Johan Hedberge70bb2e2012-02-13 16:59:33 +020043static const u16 mgmt_commands[] = {
44 MGMT_OP_READ_INDEX_LIST,
45 MGMT_OP_READ_INFO,
46 MGMT_OP_SET_POWERED,
47 MGMT_OP_SET_DISCOVERABLE,
48 MGMT_OP_SET_CONNECTABLE,
49 MGMT_OP_SET_FAST_CONNECTABLE,
Johan Hedbergb2939472014-07-30 09:22:23 +030050 MGMT_OP_SET_BONDABLE,
Johan Hedberge70bb2e2012-02-13 16:59:33 +020051 MGMT_OP_SET_LINK_SECURITY,
52 MGMT_OP_SET_SSP,
53 MGMT_OP_SET_HS,
54 MGMT_OP_SET_LE,
55 MGMT_OP_SET_DEV_CLASS,
56 MGMT_OP_SET_LOCAL_NAME,
57 MGMT_OP_ADD_UUID,
58 MGMT_OP_REMOVE_UUID,
59 MGMT_OP_LOAD_LINK_KEYS,
60 MGMT_OP_LOAD_LONG_TERM_KEYS,
61 MGMT_OP_DISCONNECT,
62 MGMT_OP_GET_CONNECTIONS,
63 MGMT_OP_PIN_CODE_REPLY,
64 MGMT_OP_PIN_CODE_NEG_REPLY,
65 MGMT_OP_SET_IO_CAPABILITY,
66 MGMT_OP_PAIR_DEVICE,
67 MGMT_OP_CANCEL_PAIR_DEVICE,
68 MGMT_OP_UNPAIR_DEVICE,
69 MGMT_OP_USER_CONFIRM_REPLY,
70 MGMT_OP_USER_CONFIRM_NEG_REPLY,
71 MGMT_OP_USER_PASSKEY_REPLY,
72 MGMT_OP_USER_PASSKEY_NEG_REPLY,
73 MGMT_OP_READ_LOCAL_OOB_DATA,
74 MGMT_OP_ADD_REMOTE_OOB_DATA,
75 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
76 MGMT_OP_START_DISCOVERY,
77 MGMT_OP_STOP_DISCOVERY,
78 MGMT_OP_CONFIRM_NAME,
79 MGMT_OP_BLOCK_DEVICE,
80 MGMT_OP_UNBLOCK_DEVICE,
Marcel Holtmanncdbaccc2012-03-11 20:00:29 -070081 MGMT_OP_SET_DEVICE_ID,
Johan Hedberg4375f102013-09-25 13:26:10 +030082 MGMT_OP_SET_ADVERTISING,
Johan Hedberg0663ca22013-10-02 13:43:14 +030083 MGMT_OP_SET_BREDR,
Marcel Holtmannd13eafc2013-10-02 04:41:30 -070084 MGMT_OP_SET_STATIC_ADDRESS,
Marcel Holtmann7f72134e2013-10-11 14:44:58 -070085 MGMT_OP_SET_SCAN_PARAMS,
Marcel Holtmanne98d2ce2014-01-10 02:07:22 -080086 MGMT_OP_SET_SECURE_CONN,
Marcel Holtmann4e39ac82014-01-31 11:55:22 -080087 MGMT_OP_SET_DEBUG_KEYS,
Johan Hedberg62b04cd2014-02-23 19:42:27 +020088 MGMT_OP_SET_PRIVACY,
Johan Hedberg41edf162014-02-18 10:19:35 +020089 MGMT_OP_LOAD_IRKS,
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +020090 MGMT_OP_GET_CONN_INFO,
Johan Hedberg95868422014-06-28 17:54:07 +030091 MGMT_OP_GET_CLOCK_INFO,
Marcel Holtmann2faade52014-06-29 19:44:03 +020092 MGMT_OP_ADD_DEVICE,
93 MGMT_OP_REMOVE_DEVICE,
Johan Hedberga26f3dc2014-07-02 17:37:29 +030094 MGMT_OP_LOAD_CONN_PARAM,
Marcel Holtmann73d1df22014-07-02 22:10:52 +020095 MGMT_OP_READ_UNCONF_INDEX_LIST,
Marcel Holtmann9fc3bfb2014-07-04 00:46:56 +020096 MGMT_OP_READ_CONFIG_INFO,
Marcel Holtmanndbece372014-07-04 18:11:55 +020097 MGMT_OP_SET_EXTERNAL_CONFIG,
Marcel Holtmann9713c172014-07-06 12:11:15 +020098 MGMT_OP_SET_PUBLIC_ADDRESS,
Jakub Pawlowski66ea9422014-12-05 10:55:59 +010099 MGMT_OP_START_SERVICE_DISCOVERY,
Marcel Holtmann4f0f1552015-03-14 22:43:19 -0700100 MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
Marcel Holtmann96f14742015-03-14 19:27:57 -0700101 MGMT_OP_READ_EXT_INDEX_LIST,
Marcel Holtmannd3d53052015-03-14 20:53:25 -0700102 MGMT_OP_READ_ADV_FEATURES,
Arman Uguray24b4f382015-03-23 15:57:12 -0700103 MGMT_OP_ADD_ADVERTISING,
Arman Ugurayda9293352015-03-23 15:57:13 -0700104 MGMT_OP_REMOVE_ADVERTISING,
Johan Hedberge70bb2e2012-02-13 16:59:33 +0200105};
106
107static const u16 mgmt_events[] = {
108 MGMT_EV_CONTROLLER_ERROR,
109 MGMT_EV_INDEX_ADDED,
110 MGMT_EV_INDEX_REMOVED,
111 MGMT_EV_NEW_SETTINGS,
112 MGMT_EV_CLASS_OF_DEV_CHANGED,
113 MGMT_EV_LOCAL_NAME_CHANGED,
114 MGMT_EV_NEW_LINK_KEY,
115 MGMT_EV_NEW_LONG_TERM_KEY,
116 MGMT_EV_DEVICE_CONNECTED,
117 MGMT_EV_DEVICE_DISCONNECTED,
118 MGMT_EV_CONNECT_FAILED,
119 MGMT_EV_PIN_CODE_REQUEST,
120 MGMT_EV_USER_CONFIRM_REQUEST,
121 MGMT_EV_USER_PASSKEY_REQUEST,
122 MGMT_EV_AUTH_FAILED,
123 MGMT_EV_DEVICE_FOUND,
124 MGMT_EV_DISCOVERING,
125 MGMT_EV_DEVICE_BLOCKED,
126 MGMT_EV_DEVICE_UNBLOCKED,
127 MGMT_EV_DEVICE_UNPAIRED,
Johan Hedberg92a25252012-09-06 18:39:26 +0300128 MGMT_EV_PASSKEY_NOTIFY,
Marcel Holtmann1b60ef22014-02-21 21:35:30 -0800129 MGMT_EV_NEW_IRK,
Marcel Holtmann7ee4ea32014-03-09 12:19:17 -0700130 MGMT_EV_NEW_CSRK,
Marcel Holtmann8afef092014-06-29 22:28:34 +0200131 MGMT_EV_DEVICE_ADDED,
132 MGMT_EV_DEVICE_REMOVED,
Andre Guedesffb5a8272014-07-01 18:10:11 -0300133 MGMT_EV_NEW_CONN_PARAM,
Marcel Holtmann0602a8a2014-07-02 21:30:54 +0200134 MGMT_EV_UNCONF_INDEX_ADDED,
Marcel Holtmannedd38962014-07-02 21:30:55 +0200135 MGMT_EV_UNCONF_INDEX_REMOVED,
Marcel Holtmannf4537c02014-07-04 19:06:23 +0200136 MGMT_EV_NEW_CONFIG_OPTIONS,
Marcel Holtmannced85542015-03-14 19:27:56 -0700137 MGMT_EV_EXT_INDEX_ADDED,
138 MGMT_EV_EXT_INDEX_REMOVED,
Marcel Holtmann72000df2015-03-16 16:11:21 -0700139 MGMT_EV_LOCAL_OOB_DATA_UPDATED,
Arman Uguray24b4f382015-03-23 15:57:12 -0700140 MGMT_EV_ADVERTISING_ADDED,
141 MGMT_EV_ADVERTISING_REMOVED,
Johan Hedberge70bb2e2012-02-13 16:59:33 +0200142};
143
Marcel Holtmann99c679a2015-03-24 17:31:03 -0700144static const u16 mgmt_untrusted_commands[] = {
145 MGMT_OP_READ_INDEX_LIST,
146 MGMT_OP_READ_INFO,
147 MGMT_OP_READ_UNCONF_INDEX_LIST,
148 MGMT_OP_READ_CONFIG_INFO,
149 MGMT_OP_READ_EXT_INDEX_LIST,
150};
151
152static const u16 mgmt_untrusted_events[] = {
153 MGMT_EV_INDEX_ADDED,
154 MGMT_EV_INDEX_REMOVED,
155 MGMT_EV_NEW_SETTINGS,
156 MGMT_EV_CLASS_OF_DEV_CHANGED,
157 MGMT_EV_LOCAL_NAME_CHANGED,
158 MGMT_EV_UNCONF_INDEX_ADDED,
159 MGMT_EV_UNCONF_INDEX_REMOVED,
160 MGMT_EV_NEW_CONFIG_OPTIONS,
161 MGMT_EV_EXT_INDEX_ADDED,
162 MGMT_EV_EXT_INDEX_REMOVED,
163};
164
Marcel Holtmann17b02e62012-03-01 14:32:37 -0800165#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
Johan Hedberg7d785252011-12-15 00:47:39 +0200166
Johan Hedbergd25b78e2015-01-27 12:55:52 +0200167#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
168 "\x00\x00\x00\x00\x00\x00\x00\x00"
169
Johan Hedbergca69b792011-11-11 18:10:00 +0200170/* HCI to MGMT error code conversion table */
171static u8 mgmt_status_table[] = {
172 MGMT_STATUS_SUCCESS,
173 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
174 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
175 MGMT_STATUS_FAILED, /* Hardware Failure */
176 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
177 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
Johan Hedbergeadd6632014-01-13 17:15:53 +0200178 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
Johan Hedbergca69b792011-11-11 18:10:00 +0200179 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
180 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
181 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
182 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
183 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
184 MGMT_STATUS_BUSY, /* Command Disallowed */
185 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
186 MGMT_STATUS_REJECTED, /* Rejected Security */
187 MGMT_STATUS_REJECTED, /* Rejected Personal */
188 MGMT_STATUS_TIMEOUT, /* Host Timeout */
189 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
190 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
191 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
192 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
193 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
194 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
195 MGMT_STATUS_BUSY, /* Repeated Attempts */
196 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
197 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
198 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
199 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
200 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
201 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
202 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
203 MGMT_STATUS_FAILED, /* Unspecified Error */
204 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
205 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
206 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
207 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
208 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
209 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
210 MGMT_STATUS_FAILED, /* Unit Link Key Used */
211 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
212 MGMT_STATUS_TIMEOUT, /* Instant Passed */
213 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
214 MGMT_STATUS_FAILED, /* Transaction Collision */
215 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
216 MGMT_STATUS_REJECTED, /* QoS Rejected */
217 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
218 MGMT_STATUS_REJECTED, /* Insufficient Security */
219 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
220 MGMT_STATUS_BUSY, /* Role Switch Pending */
221 MGMT_STATUS_FAILED, /* Slot Violation */
222 MGMT_STATUS_FAILED, /* Role Switch Failed */
223 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
224 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
225 MGMT_STATUS_BUSY, /* Host Busy Pairing */
226 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
227 MGMT_STATUS_BUSY, /* Controller Busy */
228 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
229 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
230 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
231 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
232 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
233};
234
235static u8 mgmt_status(u8 hci_status)
236{
237 if (hci_status < ARRAY_SIZE(mgmt_status_table))
238 return mgmt_status_table[hci_status];
239
240 return MGMT_STATUS_FAILED;
241}
242
Marcel Holtmannc08b1a12015-03-14 19:27:59 -0700243static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
244 u16 len, int flag)
Marcel Holtmannf9207332015-03-14 19:27:55 -0700245{
Marcel Holtmannc08b1a12015-03-14 19:27:59 -0700246 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
247 flag, NULL);
Marcel Holtmannf9207332015-03-14 19:27:55 -0700248}
249
Marcel Holtmann72000df2015-03-16 16:11:21 -0700250static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
251 u16 len, int flag, struct sock *skip_sk)
252{
253 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
254 flag, skip_sk);
255}
256
Marcel Holtmannf6b77122015-03-14 19:28:05 -0700257static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
258 u16 len, struct sock *skip_sk)
259{
260 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
261 HCI_MGMT_GENERIC_EVENTS, skip_sk);
262}
263
Johan Hedberg7a00ff42015-03-06 21:08:56 +0200264static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
265 struct sock *skip_sk)
266{
267 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
Marcel Holtmannc08b1a12015-03-14 19:27:59 -0700268 HCI_SOCK_TRUSTED, skip_sk);
Johan Hedberg7a00ff42015-03-06 21:08:56 +0200269}
270
Gustavo F. Padovan04124682012-03-08 01:25:00 -0300271static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
272 u16 data_len)
Johan Hedberga38528f2011-01-22 06:46:43 +0200273{
274 struct mgmt_rp_read_version rp;
275
276 BT_DBG("sock %p", sk);
277
278 rp.version = MGMT_VERSION;
Joe Perchesdcf4adb2014-03-12 10:52:35 -0700279 rp.revision = cpu_to_le16(MGMT_REVISION);
Johan Hedberga38528f2011-01-22 06:46:43 +0200280
Johan Hedberg2a1afb52015-03-06 21:08:54 +0200281 return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
282 &rp, sizeof(rp));
Johan Hedberga38528f2011-01-22 06:46:43 +0200283}
284
Gustavo F. Padovan04124682012-03-08 01:25:00 -0300285static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
286 u16 data_len)
Johan Hedberge70bb2e2012-02-13 16:59:33 +0200287{
288 struct mgmt_rp_read_commands *rp;
Marcel Holtmann99c679a2015-03-24 17:31:03 -0700289 u16 num_commands, num_events;
Johan Hedberge70bb2e2012-02-13 16:59:33 +0200290 size_t rp_size;
291 int i, err;
292
293 BT_DBG("sock %p", sk);
294
Marcel Holtmann99c679a2015-03-24 17:31:03 -0700295 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
296 num_commands = ARRAY_SIZE(mgmt_commands);
297 num_events = ARRAY_SIZE(mgmt_events);
298 } else {
299 num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
300 num_events = ARRAY_SIZE(mgmt_untrusted_events);
301 }
302
Johan Hedberge70bb2e2012-02-13 16:59:33 +0200303 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
304
305 rp = kmalloc(rp_size, GFP_KERNEL);
306 if (!rp)
307 return -ENOMEM;
308
Joe Perchesdcf4adb2014-03-12 10:52:35 -0700309 rp->num_commands = cpu_to_le16(num_commands);
310 rp->num_events = cpu_to_le16(num_events);
Johan Hedberge70bb2e2012-02-13 16:59:33 +0200311
Marcel Holtmann99c679a2015-03-24 17:31:03 -0700312 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
313 __le16 *opcode = rp->opcodes;
Johan Hedberge70bb2e2012-02-13 16:59:33 +0200314
Marcel Holtmann99c679a2015-03-24 17:31:03 -0700315 for (i = 0; i < num_commands; i++, opcode++)
316 put_unaligned_le16(mgmt_commands[i], opcode);
317
318 for (i = 0; i < num_events; i++, opcode++)
319 put_unaligned_le16(mgmt_events[i], opcode);
320 } else {
321 __le16 *opcode = rp->opcodes;
322
323 for (i = 0; i < num_commands; i++, opcode++)
324 put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
325
326 for (i = 0; i < num_events; i++, opcode++)
327 put_unaligned_le16(mgmt_untrusted_events[i], opcode);
328 }
Johan Hedberge70bb2e2012-02-13 16:59:33 +0200329
Johan Hedberg2a1afb52015-03-06 21:08:54 +0200330 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
331 rp, rp_size);
Johan Hedberge70bb2e2012-02-13 16:59:33 +0200332 kfree(rp);
333
334 return err;
335}
336
Gustavo F. Padovan04124682012-03-08 01:25:00 -0300337static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
338 u16 data_len)
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200339{
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200340 struct mgmt_rp_read_index_list *rp;
Luiz Augusto von Dentz8035ded2011-11-01 10:58:56 +0200341 struct hci_dev *d;
Johan Hedberga38528f2011-01-22 06:46:43 +0200342 size_t rp_len;
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200343 u16 count;
Johan Hedberg476e44c2012-10-19 20:10:46 +0300344 int err;
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200345
346 BT_DBG("sock %p", sk);
347
348 read_lock(&hci_dev_list_lock);
349
350 count = 0;
Andrei Emeltchenkobb4b2a92012-07-19 17:03:40 +0300351 list_for_each_entry(d, &hci_dev_list, list) {
Marcel Holtmann73d1df22014-07-02 22:10:52 +0200352 if (d->dev_type == HCI_BREDR &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700353 !hci_dev_test_flag(d, HCI_UNCONFIGURED))
Marcel Holtmann1514b892013-10-06 08:25:01 -0700354 count++;
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200355 }
356
Johan Hedberga38528f2011-01-22 06:46:43 +0200357 rp_len = sizeof(*rp) + (2 * count);
358 rp = kmalloc(rp_len, GFP_ATOMIC);
359 if (!rp) {
Jesper Juhlb2c60d42011-01-14 00:18:49 +0100360 read_unlock(&hci_dev_list_lock);
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200361 return -ENOMEM;
Jesper Juhlb2c60d42011-01-14 00:18:49 +0100362 }
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200363
Johan Hedberg476e44c2012-10-19 20:10:46 +0300364 count = 0;
Luiz Augusto von Dentz8035ded2011-11-01 10:58:56 +0200365 list_for_each_entry(d, &hci_dev_list, list) {
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700366 if (hci_dev_test_flag(d, HCI_SETUP) ||
367 hci_dev_test_flag(d, HCI_CONFIG) ||
368 hci_dev_test_flag(d, HCI_USER_CHANNEL))
Johan Hedbergab81cbf2010-12-15 13:53:18 +0200369 continue;
370
Marcel Holtmann73d1df22014-07-02 22:10:52 +0200371 /* Devices marked as raw-only are neither configured
372 * nor unconfigured controllers.
373 */
374 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
Marcel Holtmann0736cfa2013-08-26 21:40:51 -0700375 continue;
376
Marcel Holtmann73d1df22014-07-02 22:10:52 +0200377 if (d->dev_type == HCI_BREDR &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700378 !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
Marcel Holtmann1514b892013-10-06 08:25:01 -0700379 rp->index[count++] = cpu_to_le16(d->id);
380 BT_DBG("Added hci%u", d->id);
381 }
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200382 }
383
Johan Hedberg476e44c2012-10-19 20:10:46 +0300384 rp->num_controllers = cpu_to_le16(count);
385 rp_len = sizeof(*rp) + (2 * count);
386
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200387 read_unlock(&hci_dev_list_lock);
388
Johan Hedberg2a1afb52015-03-06 21:08:54 +0200389 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
390 0, rp, rp_len);
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200391
Johan Hedberga38528f2011-01-22 06:46:43 +0200392 kfree(rp);
393
394 return err;
Johan Hedbergfaba42e2010-12-13 21:07:05 +0200395}
396
Marcel Holtmann73d1df22014-07-02 22:10:52 +0200397static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
398 void *data, u16 data_len)
399{
400 struct mgmt_rp_read_unconf_index_list *rp;
401 struct hci_dev *d;
402 size_t rp_len;
403 u16 count;
404 int err;
405
406 BT_DBG("sock %p", sk);
407
408 read_lock(&hci_dev_list_lock);
409
410 count = 0;
411 list_for_each_entry(d, &hci_dev_list, list) {
412 if (d->dev_type == HCI_BREDR &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700413 hci_dev_test_flag(d, HCI_UNCONFIGURED))
Marcel Holtmann73d1df22014-07-02 22:10:52 +0200414 count++;
415 }
416
417 rp_len = sizeof(*rp) + (2 * count);
418 rp = kmalloc(rp_len, GFP_ATOMIC);
419 if (!rp) {
420 read_unlock(&hci_dev_list_lock);
421 return -ENOMEM;
422 }
423
424 count = 0;
425 list_for_each_entry(d, &hci_dev_list, list) {
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700426 if (hci_dev_test_flag(d, HCI_SETUP) ||
427 hci_dev_test_flag(d, HCI_CONFIG) ||
428 hci_dev_test_flag(d, HCI_USER_CHANNEL))
Marcel Holtmann73d1df22014-07-02 22:10:52 +0200429 continue;
430
431 /* Devices marked as raw-only are neither configured
432 * nor unconfigured controllers.
433 */
434 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
435 continue;
436
437 if (d->dev_type == HCI_BREDR &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700438 hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
Marcel Holtmann73d1df22014-07-02 22:10:52 +0200439 rp->index[count++] = cpu_to_le16(d->id);
440 BT_DBG("Added hci%u", d->id);
441 }
442 }
443
444 rp->num_controllers = cpu_to_le16(count);
445 rp_len = sizeof(*rp) + (2 * count);
446
447 read_unlock(&hci_dev_list_lock);
448
Johan Hedberg2a1afb52015-03-06 21:08:54 +0200449 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
450 MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
Marcel Holtmann73d1df22014-07-02 22:10:52 +0200451
452 kfree(rp);
453
454 return err;
455}
456
Marcel Holtmann96f14742015-03-14 19:27:57 -0700457static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
458 void *data, u16 data_len)
459{
460 struct mgmt_rp_read_ext_index_list *rp;
461 struct hci_dev *d;
462 size_t rp_len;
463 u16 count;
464 int err;
465
466 BT_DBG("sock %p", sk);
467
468 read_lock(&hci_dev_list_lock);
469
470 count = 0;
471 list_for_each_entry(d, &hci_dev_list, list) {
472 if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP)
473 count++;
474 }
475
476 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
477 rp = kmalloc(rp_len, GFP_ATOMIC);
478 if (!rp) {
479 read_unlock(&hci_dev_list_lock);
480 return -ENOMEM;
481 }
482
483 count = 0;
484 list_for_each_entry(d, &hci_dev_list, list) {
485 if (hci_dev_test_flag(d, HCI_SETUP) ||
486 hci_dev_test_flag(d, HCI_CONFIG) ||
487 hci_dev_test_flag(d, HCI_USER_CHANNEL))
488 continue;
489
490 /* Devices marked as raw-only are neither configured
491 * nor unconfigured controllers.
492 */
493 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
494 continue;
495
496 if (d->dev_type == HCI_BREDR) {
497 if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
498 rp->entry[count].type = 0x01;
499 else
500 rp->entry[count].type = 0x00;
501 } else if (d->dev_type == HCI_AMP) {
502 rp->entry[count].type = 0x02;
503 } else {
504 continue;
505 }
506
507 rp->entry[count].bus = d->bus;
508 rp->entry[count++].index = cpu_to_le16(d->id);
509 BT_DBG("Added hci%u", d->id);
510 }
511
512 rp->num_controllers = cpu_to_le16(count);
513 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
514
515 read_unlock(&hci_dev_list_lock);
516
517 /* If this command is called at least once, then all the
518 * default index and unconfigured index events are disabled
519 * and from now on only extended index events are used.
520 */
521 hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
522 hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
523 hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
524
525 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
526 MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
527
528 kfree(rp);
529
530 return err;
531}
532
Marcel Holtmanndbece372014-07-04 18:11:55 +0200533static bool is_configured(struct hci_dev *hdev)
534{
535 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700536 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
Marcel Holtmanndbece372014-07-04 18:11:55 +0200537 return false;
538
539 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
540 !bacmp(&hdev->public_addr, BDADDR_ANY))
541 return false;
542
543 return true;
544}
545
Marcel Holtmann89bc22d2014-07-04 16:54:37 +0200546static __le32 get_missing_options(struct hci_dev *hdev)
547{
548 u32 options = 0;
549
Marcel Holtmanndbece372014-07-04 18:11:55 +0200550 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700551 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
Marcel Holtmanneb1904f2014-07-04 17:23:33 +0200552 options |= MGMT_OPTION_EXTERNAL_CONFIG;
553
Marcel Holtmann89bc22d2014-07-04 16:54:37 +0200554 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
555 !bacmp(&hdev->public_addr, BDADDR_ANY))
556 options |= MGMT_OPTION_PUBLIC_ADDRESS;
557
558 return cpu_to_le32(options);
559}
560
Marcel Holtmannf4537c02014-07-04 19:06:23 +0200561static int new_options(struct hci_dev *hdev, struct sock *skip)
562{
563 __le32 options = get_missing_options(hdev);
564
Marcel Holtmannf6b77122015-03-14 19:28:05 -0700565 return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
566 sizeof(options), skip);
Marcel Holtmannf4537c02014-07-04 19:06:23 +0200567}
568
Marcel Holtmanndbece372014-07-04 18:11:55 +0200569static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
570{
571 __le32 options = get_missing_options(hdev);
572
Johan Hedberg2a1afb52015-03-06 21:08:54 +0200573 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
574 sizeof(options));
Marcel Holtmanndbece372014-07-04 18:11:55 +0200575}
576
Marcel Holtmann9fc3bfb2014-07-04 00:46:56 +0200577static int read_config_info(struct sock *sk, struct hci_dev *hdev,
578 void *data, u16 data_len)
579{
580 struct mgmt_rp_read_config_info rp;
Marcel Holtmann89bc22d2014-07-04 16:54:37 +0200581 u32 options = 0;
Marcel Holtmann9fc3bfb2014-07-04 00:46:56 +0200582
583 BT_DBG("sock %p %s", sk, hdev->name);
584
585 hci_dev_lock(hdev);
586
587 memset(&rp, 0, sizeof(rp));
588 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
Marcel Holtmann89bc22d2014-07-04 16:54:37 +0200589
Marcel Holtmanneb1904f2014-07-04 17:23:33 +0200590 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
591 options |= MGMT_OPTION_EXTERNAL_CONFIG;
592
Marcel Holtmann9fc3bfb2014-07-04 00:46:56 +0200593 if (hdev->set_bdaddr)
Marcel Holtmann89bc22d2014-07-04 16:54:37 +0200594 options |= MGMT_OPTION_PUBLIC_ADDRESS;
595
596 rp.supported_options = cpu_to_le32(options);
597 rp.missing_options = get_missing_options(hdev);
Marcel Holtmann9fc3bfb2014-07-04 00:46:56 +0200598
599 hci_dev_unlock(hdev);
600
Johan Hedberg2a1afb52015-03-06 21:08:54 +0200601 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
602 &rp, sizeof(rp));
Marcel Holtmann9fc3bfb2014-07-04 00:46:56 +0200603}
604
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200605static u32 get_supported_settings(struct hci_dev *hdev)
Johan Hedberg03811012010-12-08 00:21:06 +0200606{
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200607 u32 settings = 0;
Johan Hedberg03811012010-12-08 00:21:06 +0200608
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200609 settings |= MGMT_SETTING_POWERED;
Johan Hedbergb2939472014-07-30 09:22:23 +0300610 settings |= MGMT_SETTING_BONDABLE;
Marcel Holtmannb1de97d2014-01-31 11:55:21 -0800611 settings |= MGMT_SETTING_DEBUG_KEYS;
Johan Hedberg3742abf2014-07-08 16:07:34 +0300612 settings |= MGMT_SETTING_CONNECTABLE;
613 settings |= MGMT_SETTING_DISCOVERABLE;
Johan Hedberg03811012010-12-08 00:21:06 +0200614
Andre Guedesed3fa312012-07-24 15:03:46 -0300615 if (lmp_bredr_capable(hdev)) {
Johan Hedberg1a47aee2013-03-15 17:07:06 -0500616 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
617 settings |= MGMT_SETTING_FAST_CONNECTABLE;
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200618 settings |= MGMT_SETTING_BREDR;
619 settings |= MGMT_SETTING_LINK_SECURITY;
Marcel Holtmanna82974c2013-10-11 09:48:47 -0700620
621 if (lmp_ssp_capable(hdev)) {
622 settings |= MGMT_SETTING_SSP;
623 settings |= MGMT_SETTING_HS;
624 }
Marcel Holtmanne98d2ce2014-01-10 02:07:22 -0800625
Marcel Holtmann05b3c3e2014-12-31 14:43:18 -0800626 if (lmp_sc_capable(hdev))
Marcel Holtmanne98d2ce2014-01-10 02:07:22 -0800627 settings |= MGMT_SETTING_SECURE_CONN;
Marcel Holtmann848566b2013-10-01 22:59:22 -0700628 }
Marcel Holtmannd7b7e792012-02-20 21:47:49 +0100629
Johan Hedbergeeca6f82013-09-25 13:26:09 +0300630 if (lmp_le_capable(hdev)) {
Marcel Holtmann9d428202012-05-03 07:12:31 +0200631 settings |= MGMT_SETTING_LE;
Johan Hedbergeeca6f82013-09-25 13:26:09 +0300632 settings |= MGMT_SETTING_ADVERTISING;
Johan Hedberga3209692014-05-26 11:23:35 +0300633 settings |= MGMT_SETTING_SECURE_CONN;
Johan Hedberg0f4bd942014-02-22 19:06:35 +0200634 settings |= MGMT_SETTING_PRIVACY;
Marcel Holtmann93690c22015-03-06 10:11:21 -0800635 settings |= MGMT_SETTING_STATIC_ADDRESS;
Johan Hedbergeeca6f82013-09-25 13:26:09 +0300636 }
Johan Hedbergf7b64e692010-12-13 21:07:06 +0200637
Marcel Holtmanneb1904f2014-07-04 17:23:33 +0200638 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
639 hdev->set_bdaddr)
Marcel Holtmann9fc3bfb2014-07-04 00:46:56 +0200640 settings |= MGMT_SETTING_CONFIGURATION;
641
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200642 return settings;
643}
Johan Hedbergebc99fe2011-01-04 11:54:26 +0200644
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200645static u32 get_current_settings(struct hci_dev *hdev)
646{
647 u32 settings = 0;
Johan Hedbergdc4fe302011-03-16 14:29:36 +0200648
Johan Hedbergf1f0eb02012-02-21 17:15:41 +0200649 if (hdev_is_powered(hdev))
Marcel Holtmannf0d4b782012-02-21 12:14:25 +0100650 settings |= MGMT_SETTING_POWERED;
651
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700652 if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200653 settings |= MGMT_SETTING_CONNECTABLE;
654
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700655 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
Johan Hedberg1a4d3c42013-03-15 17:07:08 -0500656 settings |= MGMT_SETTING_FAST_CONNECTABLE;
657
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700658 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200659 settings |= MGMT_SETTING_DISCOVERABLE;
660
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700661 if (hci_dev_test_flag(hdev, HCI_BONDABLE))
Johan Hedbergb2939472014-07-30 09:22:23 +0300662 settings |= MGMT_SETTING_BONDABLE;
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200663
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700664 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200665 settings |= MGMT_SETTING_BREDR;
666
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700667 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200668 settings |= MGMT_SETTING_LE;
Johan Hedbergf7b64e692010-12-13 21:07:06 +0200669
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700670 if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200671 settings |= MGMT_SETTING_LINK_SECURITY;
Johan Hedbergf7b64e692010-12-13 21:07:06 +0200672
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700673 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200674 settings |= MGMT_SETTING_SSP;
Johan Hedbergf7b64e692010-12-13 21:07:06 +0200675
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700676 if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
Johan Hedberg6d80dfd2012-02-20 23:50:38 +0200677 settings |= MGMT_SETTING_HS;
678
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700679 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
Johan Hedbergeeca6f82013-09-25 13:26:09 +0300680 settings |= MGMT_SETTING_ADVERTISING;
681
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700682 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
Marcel Holtmanne98d2ce2014-01-10 02:07:22 -0800683 settings |= MGMT_SETTING_SECURE_CONN;
684
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700685 if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
Marcel Holtmannb1de97d2014-01-31 11:55:21 -0800686 settings |= MGMT_SETTING_DEBUG_KEYS;
687
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700688 if (hci_dev_test_flag(hdev, HCI_PRIVACY))
Johan Hedberg0f4bd942014-02-22 19:06:35 +0200689 settings |= MGMT_SETTING_PRIVACY;
690
Marcel Holtmann93690c22015-03-06 10:11:21 -0800691 /* The current setting for static address has two purposes. The
692 * first is to indicate if the static address will be used and
693 * the second is to indicate if it is actually set.
694 *
695 * This means if the static address is not configured, this flag
Marcel Holtmann08dc0e92015-03-25 18:32:13 -0700696 * will never be set. If the address is configured, then if the
Marcel Holtmann93690c22015-03-06 10:11:21 -0800697 * address is actually used decides if the flag is set or not.
698 *
699 * For single mode LE only controllers and dual-mode controllers
700 * with BR/EDR disabled, the existence of the static address will
701 * be evaluated.
702 */
Marcel Holtmannb7cb93e2015-03-13 10:20:35 -0700703 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700704 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
Marcel Holtmann93690c22015-03-06 10:11:21 -0800705 !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
706 if (bacmp(&hdev->static_addr, BDADDR_ANY))
707 settings |= MGMT_SETTING_STATIC_ADDRESS;
708 }
709
Johan Hedberg69ab39e2011-12-15 00:47:35 +0200710 return settings;
Johan Hedbergc542a062011-01-26 13:11:03 +0200711}
712
Johan Hedberg80a1e1d2011-03-28 14:07:23 +0300713#define PNP_INFO_SVCLASS_ID 0x1200
714
Johan Hedberg213202e2013-01-27 00:31:33 +0200715static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
716{
717 u8 *ptr = data, *uuids_start = NULL;
718 struct bt_uuid *uuid;
719
720 if (len < 4)
721 return ptr;
722
723 list_for_each_entry(uuid, &hdev->uuids, list) {
724 u16 uuid16;
725
726 if (uuid->size != 16)
727 continue;
728
729 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
730 if (uuid16 < 0x1100)
731 continue;
732
733 if (uuid16 == PNP_INFO_SVCLASS_ID)
734 continue;
735
736 if (!uuids_start) {
737 uuids_start = ptr;
738 uuids_start[0] = 1;
739 uuids_start[1] = EIR_UUID16_ALL;
740 ptr += 2;
741 }
742
743 /* Stop if not enough space to put next UUID */
744 if ((ptr - data) + sizeof(u16) > len) {
745 uuids_start[1] = EIR_UUID16_SOME;
746 break;
747 }
748
749 *ptr++ = (uuid16 & 0x00ff);
750 *ptr++ = (uuid16 & 0xff00) >> 8;
751 uuids_start[0] += sizeof(uuid16);
752 }
753
754 return ptr;
755}
756
Johan Hedbergcdf19632013-01-27 00:31:34 +0200757static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
758{
759 u8 *ptr = data, *uuids_start = NULL;
760 struct bt_uuid *uuid;
761
762 if (len < 6)
763 return ptr;
764
765 list_for_each_entry(uuid, &hdev->uuids, list) {
766 if (uuid->size != 32)
767 continue;
768
769 if (!uuids_start) {
770 uuids_start = ptr;
771 uuids_start[0] = 1;
772 uuids_start[1] = EIR_UUID32_ALL;
773 ptr += 2;
774 }
775
776 /* Stop if not enough space to put next UUID */
777 if ((ptr - data) + sizeof(u32) > len) {
778 uuids_start[1] = EIR_UUID32_SOME;
779 break;
780 }
781
782 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
783 ptr += sizeof(u32);
784 uuids_start[0] += sizeof(u32);
785 }
786
787 return ptr;
788}
789
Johan Hedbergc00d5752013-01-27 00:31:35 +0200790static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
791{
792 u8 *ptr = data, *uuids_start = NULL;
793 struct bt_uuid *uuid;
794
795 if (len < 18)
796 return ptr;
797
798 list_for_each_entry(uuid, &hdev->uuids, list) {
799 if (uuid->size != 128)
800 continue;
801
802 if (!uuids_start) {
803 uuids_start = ptr;
804 uuids_start[0] = 1;
805 uuids_start[1] = EIR_UUID128_ALL;
806 ptr += 2;
807 }
808
809 /* Stop if not enough space to put next UUID */
810 if ((ptr - data) + 16 > len) {
811 uuids_start[1] = EIR_UUID128_SOME;
812 break;
813 }
814
815 memcpy(ptr, uuid->uuid, 16);
816 ptr += 16;
817 uuids_start[0] += 16;
818 }
819
820 return ptr;
821}
822
Johan Hedberg333ae952015-03-17 13:48:47 +0200823static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
824{
825 return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
826}
827
Johan Hedberg333ae952015-03-17 13:48:47 +0200828static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
829 struct hci_dev *hdev,
830 const void *data)
831{
832 return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
833}
834
Florian Grandel91aa9bb2015-06-18 03:16:36 +0200835static u8 get_current_adv_instance(struct hci_dev *hdev)
836{
837 /* The "Set Advertising" setting supersedes the "Add Advertising"
838 * setting. Here we set the advertising data based on which
839 * setting was set. When neither apply, default to the global settings,
840 * represented by instance "0".
841 */
842 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
843 !hci_dev_test_flag(hdev, HCI_ADVERTISING))
Florian Grandel3ff37e62015-06-18 03:16:39 +0200844 return hdev->cur_adv_instance;
Florian Grandel91aa9bb2015-06-18 03:16:36 +0200845
846 return 0x00;
847}
848
Arman Uguray4117ed72015-03-23 15:57:14 -0700849static u8 create_default_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
Marcel Holtmannf14d8f62013-10-16 00:16:48 -0700850{
Marcel Holtmann7a5f4992013-10-16 00:16:49 -0700851 u8 ad_len = 0;
852 size_t name_len;
853
854 name_len = strlen(hdev->dev_name);
855 if (name_len > 0) {
856 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
857
858 if (name_len > max_len) {
859 name_len = max_len;
860 ptr[1] = EIR_NAME_SHORT;
861 } else
862 ptr[1] = EIR_NAME_COMPLETE;
863
864 ptr[0] = name_len + 1;
865
866 memcpy(ptr + 2, hdev->dev_name, name_len);
867
868 ad_len += (name_len + 2);
869 ptr += (name_len + 2);
870 }
871
872 return ad_len;
Marcel Holtmannf14d8f62013-10-16 00:16:48 -0700873}
874
Florian Grandelca21fbe2015-06-18 03:16:43 +0200875static u8 create_instance_scan_rsp_data(struct hci_dev *hdev, u8 instance,
876 u8 *ptr)
Arman Uguray4117ed72015-03-23 15:57:14 -0700877{
Florian Grandelca21fbe2015-06-18 03:16:43 +0200878 struct adv_info *adv_instance;
879
880 adv_instance = hci_find_adv_instance(hdev, instance);
881 if (!adv_instance)
882 return 0;
883
Arman Uguray4117ed72015-03-23 15:57:14 -0700884 /* TODO: Set the appropriate entries based on advertising instance flags
885 * here once flags other than 0 are supported.
886 */
Florian Grandelca21fbe2015-06-18 03:16:43 +0200887 memcpy(ptr, adv_instance->scan_rsp_data,
888 adv_instance->scan_rsp_len);
Arman Uguray4117ed72015-03-23 15:57:14 -0700889
Florian Grandelca21fbe2015-06-18 03:16:43 +0200890 return adv_instance->scan_rsp_len;
Arman Uguray4117ed72015-03-23 15:57:14 -0700891}
892
Florian Grandelefae0022015-06-18 03:16:37 +0200893static void update_inst_scan_rsp_data(struct hci_request *req, u8 instance)
Marcel Holtmannf14d8f62013-10-16 00:16:48 -0700894{
895 struct hci_dev *hdev = req->hdev;
896 struct hci_cp_le_set_scan_rsp_data cp;
897 u8 len;
898
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700899 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
Marcel Holtmannf14d8f62013-10-16 00:16:48 -0700900 return;
901
902 memset(&cp, 0, sizeof(cp));
903
Arman Uguray4117ed72015-03-23 15:57:14 -0700904 if (instance)
Florian Grandelca21fbe2015-06-18 03:16:43 +0200905 len = create_instance_scan_rsp_data(hdev, instance, cp.data);
Arman Uguray4117ed72015-03-23 15:57:14 -0700906 else
907 len = create_default_scan_rsp_data(hdev, cp.data);
Marcel Holtmannf14d8f62013-10-16 00:16:48 -0700908
Johan Hedbergeb438b52013-10-16 15:31:07 +0300909 if (hdev->scan_rsp_data_len == len &&
Arman Uguray4117ed72015-03-23 15:57:14 -0700910 !memcmp(cp.data, hdev->scan_rsp_data, len))
Marcel Holtmannf14d8f62013-10-16 00:16:48 -0700911 return;
912
Johan Hedbergeb438b52013-10-16 15:31:07 +0300913 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
914 hdev->scan_rsp_data_len = len;
Marcel Holtmannf14d8f62013-10-16 00:16:48 -0700915
916 cp.length = len;
917
918 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
919}
920
Arman Uguray4117ed72015-03-23 15:57:14 -0700921static void update_scan_rsp_data(struct hci_request *req)
922{
Florian Grandelefae0022015-06-18 03:16:37 +0200923 update_inst_scan_rsp_data(req, get_current_adv_instance(req->hdev));
Arman Uguray4117ed72015-03-23 15:57:14 -0700924}
925
Johan Hedberg9a43e252013-10-20 19:00:07 +0300926static u8 get_adv_discov_flags(struct hci_dev *hdev)
927{
Johan Hedberg3b0602c2015-03-06 21:08:55 +0200928 struct mgmt_pending_cmd *cmd;
Johan Hedberg9a43e252013-10-20 19:00:07 +0300929
930 /* If there's a pending mgmt command the flags will not yet have
931 * their final values, so check for this first.
932 */
Johan Hedberg333ae952015-03-17 13:48:47 +0200933 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
Johan Hedberg9a43e252013-10-20 19:00:07 +0300934 if (cmd) {
935 struct mgmt_mode *cp = cmd->param;
936 if (cp->val == 0x01)
937 return LE_AD_GENERAL;
938 else if (cp->val == 0x02)
939 return LE_AD_LIMITED;
940 } else {
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700941 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
Johan Hedberg9a43e252013-10-20 19:00:07 +0300942 return LE_AD_LIMITED;
Marcel Holtmannd7a5a112015-03-13 02:11:00 -0700943 else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
Johan Hedberg9a43e252013-10-20 19:00:07 +0300944 return LE_AD_GENERAL;
945 }
946
947 return 0;
948}
949
Arman Uguraye7a685d2015-03-25 18:53:40 -0700950static bool get_connectable(struct hci_dev *hdev)
951{
952 struct mgmt_pending_cmd *cmd;
953
954 /* If there's a pending mgmt command the flag will not yet have
955 * it's final value, so check for this first.
956 */
957 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
958 if (cmd) {
959 struct mgmt_mode *cp = cmd->param;
960
961 return cp->val;
962 }
963
964 return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
965}
966
967static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance)
968{
969 u32 flags;
Florian Grandel411b4122015-06-18 03:16:40 +0200970 struct adv_info *adv_instance;
Arman Uguraye7a685d2015-03-25 18:53:40 -0700971
Florian Grandelbea28e62015-06-18 03:16:41 +0200972 if (instance == 0x00) {
973 /* Instance 0 always manages the "Tx Power" and "Flags"
974 * fields
975 */
976 flags = MGMT_ADV_FLAG_TX_POWER | MGMT_ADV_FLAG_MANAGED_FLAGS;
Arman Uguraye7a685d2015-03-25 18:53:40 -0700977
Florian Grandelbea28e62015-06-18 03:16:41 +0200978 /* For instance 0, the HCI_ADVERTISING_CONNECTABLE setting
979 * corresponds to the "connectable" instance flag.
980 */
981 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE))
982 flags |= MGMT_ADV_FLAG_CONNECTABLE;
Florian Grandel411b4122015-06-18 03:16:40 +0200983
Florian Grandelbea28e62015-06-18 03:16:41 +0200984 return flags;
Florian Grandel411b4122015-06-18 03:16:40 +0200985 }
Arman Uguraye7a685d2015-03-25 18:53:40 -0700986
Florian Grandelbea28e62015-06-18 03:16:41 +0200987 adv_instance = hci_find_adv_instance(hdev, instance);
Arman Uguraye7a685d2015-03-25 18:53:40 -0700988
Florian Grandelbea28e62015-06-18 03:16:41 +0200989 /* Return 0 when we got an invalid instance identifier. */
990 if (!adv_instance)
991 return 0;
Arman Uguraye7a685d2015-03-25 18:53:40 -0700992
Florian Grandelbea28e62015-06-18 03:16:41 +0200993 return adv_instance->flags;
Arman Uguraye7a685d2015-03-25 18:53:40 -0700994}
995
Florian Grandel7b683b72015-06-18 03:16:42 +0200996static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev)
Arman Ugurayc7d48832015-03-28 12:38:59 -0700997{
Florian Grandel7b683b72015-06-18 03:16:42 +0200998 u8 instance = get_current_adv_instance(hdev);
999 struct adv_info *adv_instance;
1000
1001 /* Ignore instance 0 */
1002 if (instance == 0x00)
1003 return 0;
1004
1005 adv_instance = hci_find_adv_instance(hdev, instance);
1006 if (!adv_instance)
Arman Ugurayc7d48832015-03-28 12:38:59 -07001007 return 0;
1008
1009 /* TODO: Take into account the "appearance" and "local-name" flags here.
1010 * These are currently being ignored as they are not supported.
1011 */
Florian Grandel7b683b72015-06-18 03:16:42 +02001012 return adv_instance->scan_rsp_len;
Arman Ugurayc7d48832015-03-28 12:38:59 -07001013}
1014
Arman Ugurayfdf51782015-03-25 18:53:46 -07001015static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
1016{
Florian Grandelf63ba242015-06-18 03:16:44 +02001017 struct adv_info *adv_instance = NULL;
Arman Ugurayfdf51782015-03-25 18:53:46 -07001018 u8 ad_len = 0, flags = 0;
Florian Grandelf63ba242015-06-18 03:16:44 +02001019 u32 instance_flags;
1020
1021 /* Return 0 when the current instance identifier is invalid. */
1022 if (instance) {
1023 adv_instance = hci_find_adv_instance(hdev, instance);
1024 if (!adv_instance)
1025 return 0;
1026 }
1027
1028 instance_flags = get_adv_instance_flags(hdev, instance);
Arman Ugurayfdf51782015-03-25 18:53:46 -07001029
1030 /* The Add Advertising command allows userspace to set both the general
1031 * and limited discoverable flags.
1032 */
1033 if (instance_flags & MGMT_ADV_FLAG_DISCOV)
1034 flags |= LE_AD_GENERAL;
1035
1036 if (instance_flags & MGMT_ADV_FLAG_LIMITED_DISCOV)
1037 flags |= LE_AD_LIMITED;
1038
1039 if (flags || (instance_flags & MGMT_ADV_FLAG_MANAGED_FLAGS)) {
1040 /* If a discovery flag wasn't provided, simply use the global
1041 * settings.
1042 */
1043 if (!flags)
1044 flags |= get_adv_discov_flags(hdev);
1045
1046 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1047 flags |= LE_AD_NO_BREDR;
1048
1049 /* If flags would still be empty, then there is no need to
1050 * include the "Flags" AD field".
1051 */
1052 if (flags) {
1053 ptr[0] = 0x02;
1054 ptr[1] = EIR_FLAGS;
1055 ptr[2] = flags;
1056
1057 ad_len += 3;
1058 ptr += 3;
1059 }
1060 }
1061
Florian Grandelf63ba242015-06-18 03:16:44 +02001062 if (adv_instance) {
1063 memcpy(ptr, adv_instance->adv_data,
1064 adv_instance->adv_data_len);
1065 ad_len += adv_instance->adv_data_len;
1066 ptr += adv_instance->adv_data_len;
Marcel Holtmann38c8af62015-04-03 13:23:12 -07001067 }
1068
Arman Ugurayfdf51782015-03-25 18:53:46 -07001069 /* Provide Tx Power only if we can provide a valid value for it */
1070 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID &&
1071 (instance_flags & MGMT_ADV_FLAG_TX_POWER)) {
1072 ptr[0] = 0x02;
1073 ptr[1] = EIR_TX_POWER;
1074 ptr[2] = (u8)hdev->adv_tx_power;
1075
1076 ad_len += 3;
1077 ptr += 3;
1078 }
1079
Arman Ugurayfdf51782015-03-25 18:53:46 -07001080 return ad_len;
1081}
1082
Florian Grandelefae0022015-06-18 03:16:37 +02001083static void update_inst_adv_data(struct hci_request *req, u8 instance)
Arman Ugurayfdf51782015-03-25 18:53:46 -07001084{
1085 struct hci_dev *hdev = req->hdev;
1086 struct hci_cp_le_set_adv_data cp;
1087 u8 len;
1088
1089 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
1090 return;
1091
1092 memset(&cp, 0, sizeof(cp));
1093
1094 len = create_instance_adv_data(hdev, instance, cp.data);
1095
1096 /* There's nothing to do if the data hasn't changed */
1097 if (hdev->adv_data_len == len &&
1098 memcmp(cp.data, hdev->adv_data, len) == 0)
1099 return;
1100
1101 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
1102 hdev->adv_data_len = len;
1103
1104 cp.length = len;
1105
1106 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
1107}
1108
Arman Uguraye7a685d2015-03-25 18:53:40 -07001109static void update_adv_data(struct hci_request *req)
1110{
Florian Grandelefae0022015-06-18 03:16:37 +02001111 update_inst_adv_data(req, get_current_adv_instance(req->hdev));
Arman Uguray24b4f382015-03-23 15:57:12 -07001112}
1113
Johan Hedbergbc6d2d02014-07-10 12:09:08 +03001114int mgmt_update_adv_data(struct hci_dev *hdev)
1115{
1116 struct hci_request req;
1117
1118 hci_req_init(&req, hdev);
1119 update_adv_data(&req);
1120
1121 return hci_req_run(&req, NULL);
1122}
1123
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001124static void create_eir(struct hci_dev *hdev, u8 *data)
1125{
1126 u8 *ptr = data;
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001127 size_t name_len;
1128
1129 name_len = strlen(hdev->dev_name);
1130
1131 if (name_len > 0) {
1132 /* EIR Data type */
1133 if (name_len > 48) {
1134 name_len = 48;
1135 ptr[1] = EIR_NAME_SHORT;
1136 } else
1137 ptr[1] = EIR_NAME_COMPLETE;
1138
1139 /* EIR Data length */
1140 ptr[0] = name_len + 1;
1141
1142 memcpy(ptr + 2, hdev->dev_name, name_len);
1143
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001144 ptr += (name_len + 2);
1145 }
1146
Johan Hedbergbbaf4442012-11-08 01:22:59 +01001147 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
Marcel Holtmann91c4e9b2012-03-11 19:27:21 -07001148 ptr[0] = 2;
1149 ptr[1] = EIR_TX_POWER;
1150 ptr[2] = (u8) hdev->inq_tx_power;
1151
Marcel Holtmann91c4e9b2012-03-11 19:27:21 -07001152 ptr += 3;
1153 }
1154
Marcel Holtmann2b9be132012-03-11 19:32:12 -07001155 if (hdev->devid_source > 0) {
1156 ptr[0] = 9;
1157 ptr[1] = EIR_DEVICE_ID;
1158
1159 put_unaligned_le16(hdev->devid_source, ptr + 2);
1160 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
1161 put_unaligned_le16(hdev->devid_product, ptr + 6);
1162 put_unaligned_le16(hdev->devid_version, ptr + 8);
1163
Marcel Holtmann2b9be132012-03-11 19:32:12 -07001164 ptr += 10;
1165 }
1166
Johan Hedberg213202e2013-01-27 00:31:33 +02001167 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
Johan Hedbergcdf19632013-01-27 00:31:34 +02001168 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
Johan Hedbergc00d5752013-01-27 00:31:35 +02001169 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001170}
1171
Johan Hedberg890ea892013-03-15 17:06:52 -05001172static void update_eir(struct hci_request *req)
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001173{
Johan Hedberg890ea892013-03-15 17:06:52 -05001174 struct hci_dev *hdev = req->hdev;
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001175 struct hci_cp_write_eir cp;
1176
Johan Hedberg504c8dc2012-02-23 13:30:41 +02001177 if (!hdev_is_powered(hdev))
Johan Hedberg890ea892013-03-15 17:06:52 -05001178 return;
Johan Hedberg7770c4a2012-02-22 22:06:38 +02001179
Johan Hedberg976eb202012-10-24 21:12:01 +03001180 if (!lmp_ext_inq_capable(hdev))
Johan Hedberg890ea892013-03-15 17:06:52 -05001181 return;
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001182
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001183 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
Johan Hedberg890ea892013-03-15 17:06:52 -05001184 return;
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001185
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001186 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
Johan Hedberg890ea892013-03-15 17:06:52 -05001187 return;
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001188
1189 memset(&cp, 0, sizeof(cp));
1190
1191 create_eir(hdev, cp.data);
1192
1193 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
Johan Hedberg890ea892013-03-15 17:06:52 -05001194 return;
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001195
1196 memcpy(hdev->eir, cp.data, sizeof(cp.data));
1197
Johan Hedberg890ea892013-03-15 17:06:52 -05001198 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03001199}
1200
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001201static u8 get_service_classes(struct hci_dev *hdev)
1202{
Gustavo F. Padovan12dc0742011-10-14 19:32:56 -03001203 struct bt_uuid *uuid;
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001204 u8 val = 0;
1205
Gustavo F. Padovan12dc0742011-10-14 19:32:56 -03001206 list_for_each_entry(uuid, &hdev->uuids, list)
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001207 val |= uuid->svc_hint;
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001208
1209 return val;
1210}
1211
Johan Hedberg890ea892013-03-15 17:06:52 -05001212static void update_class(struct hci_request *req)
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001213{
Johan Hedberg890ea892013-03-15 17:06:52 -05001214 struct hci_dev *hdev = req->hdev;
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001215 u8 cod[3];
1216
1217 BT_DBG("%s", hdev->name);
1218
Johan Hedberg504c8dc2012-02-23 13:30:41 +02001219 if (!hdev_is_powered(hdev))
Johan Hedberg890ea892013-03-15 17:06:52 -05001220 return;
Johan Hedberg7770c4a2012-02-22 22:06:38 +02001221
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001222 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
Johan Hedbergf87ea1d2013-10-19 23:38:17 +03001223 return;
1224
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001225 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
Johan Hedberg890ea892013-03-15 17:06:52 -05001226 return;
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001227
1228 cod[0] = hdev->minor_class;
1229 cod[1] = hdev->major_class;
1230 cod[2] = get_service_classes(hdev);
1231
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001232 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
Marcel Holtmann6acd7db2013-10-15 06:33:53 -07001233 cod[1] |= 0x20;
1234
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001235 if (memcmp(cod, hdev->dev_class, 3) == 0)
Johan Hedberg890ea892013-03-15 17:06:52 -05001236 return;
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001237
Johan Hedberg890ea892013-03-15 17:06:52 -05001238 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
Johan Hedberg1aff6f02011-01-13 21:56:52 +02001239}
1240
Johan Hedberg0ec5ae82014-07-08 15:07:50 +03001241static void disable_advertising(struct hci_request *req)
1242{
1243 u8 enable = 0x00;
1244
1245 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1246}
1247
Johan Hedberg199a2fb2014-02-22 19:06:33 +02001248static void enable_advertising(struct hci_request *req)
1249{
1250 struct hci_dev *hdev = req->hdev;
1251 struct hci_cp_le_set_adv_param cp;
Johan Hedberg8f2a0602014-02-23 19:42:23 +02001252 u8 own_addr_type, enable = 0x01;
Johan Hedberga4858cb2014-02-25 19:56:31 +02001253 bool connectable;
Arman Uguraye7a685d2015-03-25 18:53:40 -07001254 u8 instance;
1255 u32 flags;
Johan Hedberg199a2fb2014-02-22 19:06:33 +02001256
Johan Hedberg0ec5ae82014-07-08 15:07:50 +03001257 if (hci_conn_num(hdev, LE_LINK) > 0)
1258 return;
1259
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001260 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
Johan Hedberg0ec5ae82014-07-08 15:07:50 +03001261 disable_advertising(req);
1262
Johan Hedberg5ce194c2014-07-08 15:07:49 +03001263 /* Clear the HCI_LE_ADV bit temporarily so that the
Johan Hedberg8d972502014-02-28 12:54:14 +02001264 * hci_update_random_address knows that it's safe to go ahead
1265 * and write a new random address. The flag will be set back on
1266 * as soon as the SET_ADV_ENABLE HCI command completes.
1267 */
Marcel Holtmanna358dc12015-03-13 02:11:02 -07001268 hci_dev_clear_flag(hdev, HCI_LE_ADV);
Johan Hedberg8d972502014-02-28 12:54:14 +02001269
Arman Uguraye7a685d2015-03-25 18:53:40 -07001270 instance = get_current_adv_instance(hdev);
1271 flags = get_adv_instance_flags(hdev, instance);
Arman Ugurayfaccb952015-03-28 12:38:58 -07001272
1273 /* If the "connectable" instance flag was not set, then choose between
1274 * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
1275 */
1276 connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
1277 get_connectable(hdev);
Johan Hedberg8f2a0602014-02-23 19:42:23 +02001278
Johan Hedberga4858cb2014-02-25 19:56:31 +02001279 /* Set require_privacy to true only when non-connectable
1280 * advertising is used. In that case it is fine to use a
1281 * non-resolvable private address.
1282 */
1283 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
Johan Hedberg8f2a0602014-02-23 19:42:23 +02001284 return;
1285
Marcel Holtmann41c90c12014-02-23 20:25:55 -08001286 memset(&cp, 0, sizeof(cp));
Georg Lukas628531c2014-07-26 13:59:57 +02001287 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1288 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
Arman Ugurayc7d48832015-03-28 12:38:59 -07001289
1290 if (connectable)
1291 cp.type = LE_ADV_IND;
Florian Grandel7b683b72015-06-18 03:16:42 +02001292 else if (get_cur_adv_instance_scan_rsp_len(hdev))
Arman Ugurayc7d48832015-03-28 12:38:59 -07001293 cp.type = LE_ADV_SCAN_IND;
1294 else
1295 cp.type = LE_ADV_NONCONN_IND;
1296
Johan Hedberg8f2a0602014-02-23 19:42:23 +02001297 cp.own_address_type = own_addr_type;
Johan Hedberg199a2fb2014-02-22 19:06:33 +02001298 cp.channel_map = hdev->le_adv_channel_map;
1299
1300 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1301
1302 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1303}
1304
Johan Hedberg7d785252011-12-15 00:47:39 +02001305static void service_cache_off(struct work_struct *work)
1306{
1307 struct hci_dev *hdev = container_of(work, struct hci_dev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03001308 service_cache.work);
Johan Hedberg890ea892013-03-15 17:06:52 -05001309 struct hci_request req;
Johan Hedberg7d785252011-12-15 00:47:39 +02001310
Marcel Holtmanna69d8922015-03-13 02:11:05 -07001311 if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
Johan Hedberg7d785252011-12-15 00:47:39 +02001312 return;
1313
Johan Hedberg890ea892013-03-15 17:06:52 -05001314 hci_req_init(&req, hdev);
1315
Johan Hedberg7d785252011-12-15 00:47:39 +02001316 hci_dev_lock(hdev);
1317
Johan Hedberg890ea892013-03-15 17:06:52 -05001318 update_eir(&req);
1319 update_class(&req);
Johan Hedberg7d785252011-12-15 00:47:39 +02001320
1321 hci_dev_unlock(hdev);
Johan Hedberg890ea892013-03-15 17:06:52 -05001322
1323 hci_req_run(&req, NULL);
Johan Hedberg7d785252011-12-15 00:47:39 +02001324}
1325
Johan Hedbergd6bfd592014-02-23 19:42:20 +02001326static void rpa_expired(struct work_struct *work)
1327{
1328 struct hci_dev *hdev = container_of(work, struct hci_dev,
1329 rpa_expired.work);
1330 struct hci_request req;
1331
1332 BT_DBG("");
1333
Marcel Holtmanna1536da2015-03-13 02:11:01 -07001334 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
Johan Hedbergd6bfd592014-02-23 19:42:20 +02001335
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001336 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
Johan Hedbergd6bfd592014-02-23 19:42:20 +02001337 return;
1338
1339 /* The generation of a new RPA and programming it into the
1340 * controller happens in the enable_advertising() function.
1341 */
Johan Hedbergd6bfd592014-02-23 19:42:20 +02001342 hci_req_init(&req, hdev);
Johan Hedbergd6bfd592014-02-23 19:42:20 +02001343 enable_advertising(&req);
Johan Hedbergd6bfd592014-02-23 19:42:20 +02001344 hci_req_run(&req, NULL);
1345}
1346
Johan Hedberg6a919082012-02-28 06:17:26 +02001347static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
Johan Hedberg7d785252011-12-15 00:47:39 +02001348{
Marcel Holtmann238be782015-03-13 02:11:06 -07001349 if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
Johan Hedberg6a919082012-02-28 06:17:26 +02001350 return;
1351
Johan Hedberg4f87da82012-03-02 19:55:56 +02001352 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
Johan Hedbergd6bfd592014-02-23 19:42:20 +02001353 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
Johan Hedberg7d785252011-12-15 00:47:39 +02001354
Johan Hedberg4f87da82012-03-02 19:55:56 +02001355 /* Non-mgmt controlled devices get this bit set
1356 * implicitly so that pairing works for them, however
1357 * for mgmt we require user-space to explicitly enable
1358 * it
1359 */
Marcel Holtmanna358dc12015-03-13 02:11:02 -07001360 hci_dev_clear_flag(hdev, HCI_BONDABLE);
Johan Hedberg7d785252011-12-15 00:47:39 +02001361}
1362
Johan Hedberg0f4e68c2012-02-28 17:18:30 +02001363static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03001364 void *data, u16 data_len)
Johan Hedberg03811012010-12-08 00:21:06 +02001365{
1366 struct mgmt_rp_read_info rp;
Johan Hedberg03811012010-12-08 00:21:06 +02001367
Johan Hedbergbdb6d972012-02-28 06:13:32 +02001368 BT_DBG("sock %p %s", sk, hdev->name);
Johan Hedberg03811012010-12-08 00:21:06 +02001369
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03001370 hci_dev_lock(hdev);
Johan Hedberg03811012010-12-08 00:21:06 +02001371
Johan Hedberg03811012010-12-08 00:21:06 +02001372 memset(&rp, 0, sizeof(rp));
1373
Johan Hedberg03811012010-12-08 00:21:06 +02001374 bacpy(&rp.bdaddr, &hdev->bdaddr);
Johan Hedberg69ab39e2011-12-15 00:47:35 +02001375
1376 rp.version = hdev->hci_ver;
Marcel Holtmanneb55ef02012-03-14 18:08:46 +02001377 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
Johan Hedberg69ab39e2011-12-15 00:47:35 +02001378
1379 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1380 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
1381
1382 memcpy(rp.dev_class, hdev->dev_class, 3);
Johan Hedberg03811012010-12-08 00:21:06 +02001383
1384 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
Johan Hedberg27fcc362012-02-22 21:46:22 +02001385 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
Johan Hedberg03811012010-12-08 00:21:06 +02001386
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03001387 hci_dev_unlock(hdev);
Johan Hedberg03811012010-12-08 00:21:06 +02001388
Johan Hedberg2a1afb52015-03-06 21:08:54 +02001389 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
1390 sizeof(rp));
Johan Hedberg03811012010-12-08 00:21:06 +02001391}
1392
Johan Hedberg69ab39e2011-12-15 00:47:35 +02001393static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
Johan Hedberg86805702011-11-11 16:18:52 +02001394{
Johan Hedberg69ab39e2011-12-15 00:47:35 +02001395 __le32 settings = cpu_to_le32(get_current_settings(hdev));
Johan Hedberg86805702011-11-11 16:18:52 +02001396
Johan Hedberg2a1afb52015-03-06 21:08:54 +02001397 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
1398 sizeof(settings));
Johan Hedberg86805702011-11-11 16:18:52 +02001399}
1400
Marcel Holtmann1904a852015-01-11 13:50:44 -08001401static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg8b064a32014-02-24 14:52:22 +02001402{
1403 BT_DBG("%s status 0x%02x", hdev->name, status);
1404
Johan Hedberga3172b72014-02-28 09:33:44 +02001405 if (hci_conn_count(hdev) == 0) {
1406 cancel_delayed_work(&hdev->power_off);
Johan Hedberg8b064a32014-02-24 14:52:22 +02001407 queue_work(hdev->req_workqueue, &hdev->power_off.work);
Johan Hedberga3172b72014-02-28 09:33:44 +02001408 }
Johan Hedberg8b064a32014-02-24 14:52:22 +02001409}
1410
Johan Hedberg23a48092014-07-08 16:05:06 +03001411static bool hci_stop_discovery(struct hci_request *req)
Johan Hedberg21a60d32014-06-10 14:05:58 +03001412{
1413 struct hci_dev *hdev = req->hdev;
1414 struct hci_cp_remote_name_req_cancel cp;
1415 struct inquiry_entry *e;
1416
1417 switch (hdev->discovery.state) {
1418 case DISCOVERY_FINDING:
Jakub Pawlowski07d23342015-03-17 09:04:14 -07001419 if (test_bit(HCI_INQUIRY, &hdev->flags))
Johan Hedberg21a60d32014-06-10 14:05:58 +03001420 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
Jakub Pawlowski07d23342015-03-17 09:04:14 -07001421
1422 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
Johan Hedberg21a60d32014-06-10 14:05:58 +03001423 cancel_delayed_work(&hdev->le_scan_disable);
1424 hci_req_add_le_scan_disable(req);
1425 }
1426
Johan Hedberg23a48092014-07-08 16:05:06 +03001427 return true;
Johan Hedberg21a60d32014-06-10 14:05:58 +03001428
1429 case DISCOVERY_RESOLVING:
1430 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1431 NAME_PENDING);
1432 if (!e)
Johan Hedberg23a48092014-07-08 16:05:06 +03001433 break;
Johan Hedberg21a60d32014-06-10 14:05:58 +03001434
1435 bacpy(&cp.bdaddr, &e->data.bdaddr);
1436 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1437 &cp);
1438
Johan Hedberg23a48092014-07-08 16:05:06 +03001439 return true;
Johan Hedberg21a60d32014-06-10 14:05:58 +03001440
1441 default:
1442 /* Passive scanning */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001443 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
Johan Hedberg21a60d32014-06-10 14:05:58 +03001444 hci_req_add_le_scan_disable(req);
Johan Hedberg23a48092014-07-08 16:05:06 +03001445 return true;
1446 }
1447
Johan Hedberg21a60d32014-06-10 14:05:58 +03001448 break;
1449 }
Johan Hedberg23a48092014-07-08 16:05:06 +03001450
1451 return false;
Johan Hedberg21a60d32014-06-10 14:05:58 +03001452}
1453
Arman Uguray912098a2015-03-23 15:57:15 -07001454static void advertising_added(struct sock *sk, struct hci_dev *hdev,
1455 u8 instance)
1456{
1457 struct mgmt_ev_advertising_added ev;
1458
1459 ev.instance = instance;
1460
1461 mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
1462}
1463
1464static void advertising_removed(struct sock *sk, struct hci_dev *hdev,
1465 u8 instance)
1466{
1467 struct mgmt_ev_advertising_removed ev;
1468
1469 ev.instance = instance;
1470
1471 mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
1472}
1473
Florian Grandel7816b822015-06-18 03:16:45 +02001474static int schedule_adv_instance(struct hci_request *req, u8 instance,
1475 bool force) {
1476 struct hci_dev *hdev = req->hdev;
1477 struct adv_info *adv_instance = NULL;
1478 u16 timeout;
1479
1480 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
1481 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1482 return -EPERM;
1483
1484 if (hdev->adv_instance_timeout)
1485 return -EBUSY;
1486
1487 adv_instance = hci_find_adv_instance(hdev, instance);
1488 if (!adv_instance)
1489 return -ENOENT;
1490
1491 /* A zero timeout means unlimited advertising. As long as there is
1492 * only one instance, duration should be ignored. We still set a timeout
1493 * in case further instances are being added later on.
1494 *
1495 * If the remaining lifetime of the instance is more than the duration
1496 * then the timeout corresponds to the duration, otherwise it will be
1497 * reduced to the remaining instance lifetime.
1498 */
1499 if (adv_instance->timeout == 0 ||
1500 adv_instance->duration <= adv_instance->remaining_time)
1501 timeout = adv_instance->duration;
1502 else
1503 timeout = adv_instance->remaining_time;
1504
1505 /* The remaining time is being reduced unless the instance is being
1506 * advertised without time limit.
1507 */
1508 if (adv_instance->timeout)
1509 adv_instance->remaining_time =
1510 adv_instance->remaining_time - timeout;
1511
1512 hdev->adv_instance_timeout = timeout;
1513 queue_delayed_work(hdev->workqueue,
1514 &hdev->adv_instance_expire,
1515 msecs_to_jiffies(timeout * 1000));
1516
1517 /* If we're just re-scheduling the same instance again then do not
1518 * execute any HCI commands. This happens when a single instance is
1519 * being advertised.
1520 */
1521 if (!force && hdev->cur_adv_instance == instance &&
1522 hci_dev_test_flag(hdev, HCI_LE_ADV))
1523 return 0;
1524
1525 hdev->cur_adv_instance = instance;
1526 update_adv_data(req);
1527 update_scan_rsp_data(req);
1528 enable_advertising(req);
1529
1530 return 0;
1531}
1532
1533static void cancel_adv_timeout(struct hci_dev *hdev)
1534{
1535 if (hdev->adv_instance_timeout) {
1536 hdev->adv_instance_timeout = 0;
1537 cancel_delayed_work(&hdev->adv_instance_expire);
1538 }
1539}
1540
Florian Grandel847818d2015-06-18 03:16:46 +02001541/* For a single instance:
1542 * - force == true: The instance will be removed even when its remaining
1543 * lifetime is not zero.
1544 * - force == false: the instance will be deactivated but kept stored unless
1545 * the remaining lifetime is zero.
1546 *
1547 * For instance == 0x00:
1548 * - force == true: All instances will be removed regardless of their timeout
1549 * setting.
1550 * - force == false: Only instances that have a timeout will be removed.
1551 */
1552static void clear_adv_instance(struct hci_dev *hdev, struct hci_request *req,
1553 u8 instance, bool force)
Arman Uguray912098a2015-03-23 15:57:15 -07001554{
Florian Grandel847818d2015-06-18 03:16:46 +02001555 struct adv_info *adv_instance, *n, *next_instance = NULL;
1556 int err;
1557 u8 rem_inst;
Arman Uguray912098a2015-03-23 15:57:15 -07001558
Florian Grandel847818d2015-06-18 03:16:46 +02001559 /* Cancel any timeout concerning the removed instance(s). */
1560 if (!instance || hdev->cur_adv_instance == instance)
1561 cancel_adv_timeout(hdev);
Arman Uguray912098a2015-03-23 15:57:15 -07001562
Florian Grandel847818d2015-06-18 03:16:46 +02001563 /* Get the next instance to advertise BEFORE we remove
1564 * the current one. This can be the same instance again
1565 * if there is only one instance.
1566 */
1567 if (instance && hdev->cur_adv_instance == instance)
1568 next_instance = hci_get_next_instance(hdev, instance);
Arman Uguray912098a2015-03-23 15:57:15 -07001569
Florian Grandel847818d2015-06-18 03:16:46 +02001570 if (instance == 0x00) {
1571 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances,
1572 list) {
1573 if (!(force || adv_instance->timeout))
1574 continue;
Arman Uguray912098a2015-03-23 15:57:15 -07001575
Florian Grandel847818d2015-06-18 03:16:46 +02001576 rem_inst = adv_instance->instance;
1577 err = hci_remove_adv_instance(hdev, rem_inst);
1578 if (!err)
1579 advertising_removed(NULL, hdev, rem_inst);
1580 }
1581 hdev->cur_adv_instance = 0x00;
1582 } else {
1583 adv_instance = hci_find_adv_instance(hdev, instance);
1584
1585 if (force || (adv_instance && adv_instance->timeout &&
1586 !adv_instance->remaining_time)) {
1587 /* Don't advertise a removed instance. */
1588 if (next_instance &&
1589 next_instance->instance == instance)
1590 next_instance = NULL;
1591
1592 err = hci_remove_adv_instance(hdev, instance);
1593 if (!err)
1594 advertising_removed(NULL, hdev, instance);
1595 }
1596 }
1597
1598 if (list_empty(&hdev->adv_instances)) {
1599 hdev->cur_adv_instance = 0x00;
1600 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
1601 }
1602
1603 if (!req || !hdev_is_powered(hdev) ||
Arman Uguray912098a2015-03-23 15:57:15 -07001604 hci_dev_test_flag(hdev, HCI_ADVERTISING))
1605 return;
1606
Florian Grandel847818d2015-06-18 03:16:46 +02001607 if (next_instance)
1608 schedule_adv_instance(req, next_instance->instance, false);
Arman Uguray912098a2015-03-23 15:57:15 -07001609}
1610
Johan Hedberg8b064a32014-02-24 14:52:22 +02001611static int clean_up_hci_state(struct hci_dev *hdev)
1612{
1613 struct hci_request req;
1614 struct hci_conn *conn;
Johan Hedberg23a48092014-07-08 16:05:06 +03001615 bool discov_stopped;
1616 int err;
Johan Hedberg8b064a32014-02-24 14:52:22 +02001617
1618 hci_req_init(&req, hdev);
1619
1620 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1621 test_bit(HCI_PSCAN, &hdev->flags)) {
1622 u8 scan = 0x00;
1623 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1624 }
1625
Florian Grandel847818d2015-06-18 03:16:46 +02001626 clear_adv_instance(hdev, NULL, 0x00, false);
Arman Uguray912098a2015-03-23 15:57:15 -07001627
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001628 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
Johan Hedberg8b064a32014-02-24 14:52:22 +02001629 disable_advertising(&req);
1630
Johan Hedberg23a48092014-07-08 16:05:06 +03001631 discov_stopped = hci_stop_discovery(&req);
Johan Hedberg8b064a32014-02-24 14:52:22 +02001632
1633 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1634 struct hci_cp_disconnect dc;
Johan Hedbergc9910d02014-02-27 14:35:12 +02001635 struct hci_cp_reject_conn_req rej;
Johan Hedberg8b064a32014-02-24 14:52:22 +02001636
Johan Hedbergc9910d02014-02-27 14:35:12 +02001637 switch (conn->state) {
1638 case BT_CONNECTED:
1639 case BT_CONFIG:
1640 dc.handle = cpu_to_le16(conn->handle);
1641 dc.reason = 0x15; /* Terminated due to Power Off */
1642 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1643 break;
1644 case BT_CONNECT:
1645 if (conn->type == LE_LINK)
1646 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1647 0, NULL);
1648 else if (conn->type == ACL_LINK)
1649 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1650 6, &conn->dst);
1651 break;
1652 case BT_CONNECT2:
1653 bacpy(&rej.bdaddr, &conn->dst);
1654 rej.reason = 0x15; /* Terminated due to Power Off */
1655 if (conn->type == ACL_LINK)
1656 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1657 sizeof(rej), &rej);
1658 else if (conn->type == SCO_LINK)
1659 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1660 sizeof(rej), &rej);
1661 break;
1662 }
Johan Hedberg8b064a32014-02-24 14:52:22 +02001663 }
1664
Johan Hedberg23a48092014-07-08 16:05:06 +03001665 err = hci_req_run(&req, clean_up_hci_complete);
1666 if (!err && discov_stopped)
1667 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1668
1669 return err;
Johan Hedberg8b064a32014-02-24 14:52:22 +02001670}
1671
Johan Hedbergbdb6d972012-02-28 06:13:32 +02001672static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03001673 u16 len)
Johan Hedberg03811012010-12-08 00:21:06 +02001674{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03001675 struct mgmt_mode *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02001676 struct mgmt_pending_cmd *cmd;
Johan Hedberg4b34ee782012-02-21 14:13:02 +02001677 int err;
Johan Hedberg03811012010-12-08 00:21:06 +02001678
Johan Hedbergbdb6d972012-02-28 06:13:32 +02001679 BT_DBG("request for %s", hdev->name);
Johan Hedberg03811012010-12-08 00:21:06 +02001680
Johan Hedberga7e80f22013-01-09 16:05:19 +02001681 if (cp->val != 0x00 && cp->val != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02001682 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1683 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga7e80f22013-01-09 16:05:19 +02001684
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03001685 hci_dev_lock(hdev);
Johan Hedberg03811012010-12-08 00:21:06 +02001686
Johan Hedberg333ae952015-03-17 13:48:47 +02001687 if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02001688 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1689 MGMT_STATUS_BUSY);
Johan Hedberg87b95ba2013-09-25 13:26:06 +03001690 goto failed;
1691 }
1692
Marcel Holtmanna69d8922015-03-13 02:11:05 -07001693 if (hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
Marcel Holtmannf0d4b782012-02-21 12:14:25 +01001694 cancel_delayed_work(&hdev->power_off);
1695
1696 if (cp->val) {
Johan Hedberga1d70452013-01-09 15:29:40 +02001697 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1698 data, len);
1699 err = mgmt_powered(hdev, 1);
Marcel Holtmannf0d4b782012-02-21 12:14:25 +01001700 goto failed;
1701 }
1702 }
1703
Johan Hedberg4b34ee782012-02-21 14:13:02 +02001704 if (!!cp->val == hdev_is_powered(hdev)) {
Johan Hedberg69ab39e2011-12-15 00:47:35 +02001705 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
Johan Hedberg03811012010-12-08 00:21:06 +02001706 goto failed;
1707 }
1708
Johan Hedberg03811012010-12-08 00:21:06 +02001709 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
1710 if (!cmd) {
1711 err = -ENOMEM;
1712 goto failed;
1713 }
1714
Johan Hedberg8b064a32014-02-24 14:52:22 +02001715 if (cp->val) {
Johan Hedberg19202572013-01-14 22:33:51 +02001716 queue_work(hdev->req_workqueue, &hdev->power_on);
Johan Hedberg8b064a32014-02-24 14:52:22 +02001717 err = 0;
1718 } else {
1719 /* Disconnect connections, stop scans, etc */
1720 err = clean_up_hci_state(hdev);
Johan Hedberga3172b72014-02-28 09:33:44 +02001721 if (!err)
1722 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1723 HCI_POWER_OFF_TIMEOUT);
Johan Hedberg03811012010-12-08 00:21:06 +02001724
Johan Hedberg8b064a32014-02-24 14:52:22 +02001725 /* ENODATA means there were no HCI commands queued */
1726 if (err == -ENODATA) {
Johan Hedberga3172b72014-02-28 09:33:44 +02001727 cancel_delayed_work(&hdev->power_off);
Johan Hedberg8b064a32014-02-24 14:52:22 +02001728 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1729 err = 0;
1730 }
1731 }
Johan Hedberg03811012010-12-08 00:21:06 +02001732
1733failed:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03001734 hci_dev_unlock(hdev);
Johan Hedberg03811012010-12-08 00:21:06 +02001735 return err;
1736}
1737
Johan Hedbergbeadb2b2012-02-21 16:55:31 +02001738static int new_settings(struct hci_dev *hdev, struct sock *skip)
1739{
Marcel Holtmannf6b77122015-03-14 19:28:05 -07001740 __le32 ev = cpu_to_le32(get_current_settings(hdev));
Johan Hedbergbeadb2b2012-02-21 16:55:31 +02001741
Marcel Holtmannf6b77122015-03-14 19:28:05 -07001742 return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
1743 sizeof(ev), skip);
Johan Hedbergbeadb2b2012-02-21 16:55:31 +02001744}
1745
Johan Hedberg91a668b2014-07-09 13:28:26 +03001746int mgmt_new_settings(struct hci_dev *hdev)
1747{
1748 return new_settings(hdev, NULL);
1749}
1750
Johan Hedbergbd99abd2013-09-25 13:26:07 +03001751struct cmd_lookup {
1752 struct sock *sk;
1753 struct hci_dev *hdev;
1754 u8 mgmt_status;
1755};
1756
Johan Hedberg3b0602c2015-03-06 21:08:55 +02001757static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
Johan Hedbergbd99abd2013-09-25 13:26:07 +03001758{
1759 struct cmd_lookup *match = data;
1760
1761 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1762
1763 list_del(&cmd->list);
1764
1765 if (match->sk == NULL) {
1766 match->sk = cmd->sk;
1767 sock_hold(match->sk);
1768 }
1769
1770 mgmt_pending_free(cmd);
1771}
1772
Johan Hedberg3b0602c2015-03-06 21:08:55 +02001773static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
Johan Hedbergbd99abd2013-09-25 13:26:07 +03001774{
1775 u8 *status = data;
1776
Johan Hedberga69e8372015-03-06 21:08:53 +02001777 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
Johan Hedbergbd99abd2013-09-25 13:26:07 +03001778 mgmt_pending_remove(cmd);
1779}
1780
Johan Hedberg3b0602c2015-03-06 21:08:55 +02001781static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
Johan Hedberg1b9b5ee2014-12-05 13:36:00 +02001782{
1783 if (cmd->cmd_complete) {
1784 u8 *status = data;
1785
1786 cmd->cmd_complete(cmd, *status);
1787 mgmt_pending_remove(cmd);
1788
1789 return;
1790 }
1791
1792 cmd_status_rsp(cmd, data);
1793}
1794
Johan Hedberg3b0602c2015-03-06 21:08:55 +02001795static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
Johan Hedbergf5818c22014-12-05 13:36:02 +02001796{
Johan Hedberg2a1afb52015-03-06 21:08:54 +02001797 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1798 cmd->param, cmd->param_len);
Johan Hedbergf5818c22014-12-05 13:36:02 +02001799}
1800
Johan Hedberg3b0602c2015-03-06 21:08:55 +02001801static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
Johan Hedberg7776d1d2014-12-05 13:36:03 +02001802{
Johan Hedberg2a1afb52015-03-06 21:08:54 +02001803 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1804 cmd->param, sizeof(struct mgmt_addr_info));
Johan Hedberg7776d1d2014-12-05 13:36:03 +02001805}
1806
Johan Hedberge6fe7982013-10-02 15:45:22 +03001807static u8 mgmt_bredr_support(struct hci_dev *hdev)
1808{
1809 if (!lmp_bredr_capable(hdev))
1810 return MGMT_STATUS_NOT_SUPPORTED;
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001811 else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
Johan Hedberge6fe7982013-10-02 15:45:22 +03001812 return MGMT_STATUS_REJECTED;
1813 else
1814 return MGMT_STATUS_SUCCESS;
1815}
1816
1817static u8 mgmt_le_support(struct hci_dev *hdev)
1818{
1819 if (!lmp_le_capable(hdev))
1820 return MGMT_STATUS_NOT_SUPPORTED;
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001821 else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
Johan Hedberge6fe7982013-10-02 15:45:22 +03001822 return MGMT_STATUS_REJECTED;
1823 else
1824 return MGMT_STATUS_SUCCESS;
1825}
1826
Marcel Holtmann1904a852015-01-11 13:50:44 -08001827static void set_discoverable_complete(struct hci_dev *hdev, u8 status,
1828 u16 opcode)
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03001829{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02001830 struct mgmt_pending_cmd *cmd;
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03001831 struct mgmt_mode *cp;
Marcel Holtmann970ba522013-10-15 06:33:57 -07001832 struct hci_request req;
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03001833 bool changed;
1834
1835 BT_DBG("status 0x%02x", status);
1836
1837 hci_dev_lock(hdev);
1838
Johan Hedberg333ae952015-03-17 13:48:47 +02001839 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03001840 if (!cmd)
1841 goto unlock;
1842
1843 if (status) {
1844 u8 mgmt_err = mgmt_status(status);
Johan Hedberga69e8372015-03-06 21:08:53 +02001845 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
Marcel Holtmanna358dc12015-03-13 02:11:02 -07001846 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03001847 goto remove_cmd;
1848 }
1849
1850 cp = cmd->param;
Marcel Holtmannd4462a02013-10-15 08:11:02 -07001851 if (cp->val) {
Marcel Holtmann238be782015-03-13 02:11:06 -07001852 changed = !hci_dev_test_and_set_flag(hdev, HCI_DISCOVERABLE);
Marcel Holtmannd4462a02013-10-15 08:11:02 -07001853
1854 if (hdev->discov_timeout > 0) {
1855 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1856 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1857 to);
1858 }
1859 } else {
Marcel Holtmanna69d8922015-03-13 02:11:05 -07001860 changed = hci_dev_test_and_clear_flag(hdev, HCI_DISCOVERABLE);
Marcel Holtmannd4462a02013-10-15 08:11:02 -07001861 }
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03001862
1863 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1864
1865 if (changed)
1866 new_settings(hdev, cmd->sk);
1867
Marcel Holtmann970ba522013-10-15 06:33:57 -07001868 /* When the discoverable mode gets changed, make sure
1869 * that class of device has the limited discoverable
Johan Hedberg432df052014-08-01 11:13:31 +03001870 * bit correctly set. Also update page scan based on whitelist
1871 * entries.
Marcel Holtmann970ba522013-10-15 06:33:57 -07001872 */
1873 hci_req_init(&req, hdev);
Johan Hedberg1d2dc5b2014-12-19 13:40:19 +02001874 __hci_update_page_scan(&req);
Marcel Holtmann970ba522013-10-15 06:33:57 -07001875 update_class(&req);
1876 hci_req_run(&req, NULL);
1877
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03001878remove_cmd:
1879 mgmt_pending_remove(cmd);
1880
1881unlock:
1882 hci_dev_unlock(hdev);
1883}
1884
Johan Hedbergbdb6d972012-02-28 06:13:32 +02001885static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03001886 u16 len)
Johan Hedberg03811012010-12-08 00:21:06 +02001887{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03001888 struct mgmt_cp_set_discoverable *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02001889 struct mgmt_pending_cmd *cmd;
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03001890 struct hci_request req;
Johan Hedberg5e5282b2012-02-21 16:01:30 +02001891 u16 timeout;
Johan Hedberg9a43e252013-10-20 19:00:07 +03001892 u8 scan;
Johan Hedberg03811012010-12-08 00:21:06 +02001893 int err;
Johan Hedberge41d8b42010-12-13 21:07:03 +02001894
Johan Hedbergbdb6d972012-02-28 06:13:32 +02001895 BT_DBG("request for %s", hdev->name);
Johan Hedberg03811012010-12-08 00:21:06 +02001896
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001897 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1898 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
Johan Hedberga69e8372015-03-06 21:08:53 +02001899 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1900 MGMT_STATUS_REJECTED);
Johan Hedberg33c525c2012-10-24 21:11:58 +03001901
Marcel Holtmann310a3d42013-10-15 09:13:39 -07001902 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
Johan Hedberga69e8372015-03-06 21:08:53 +02001903 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1904 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga7e80f22013-01-09 16:05:19 +02001905
Marcel Holtmann1f350c82012-03-12 20:31:08 -07001906 timeout = __le16_to_cpu(cp->timeout);
Marcel Holtmann310a3d42013-10-15 09:13:39 -07001907
1908 /* Disabling discoverable requires that no timeout is set,
1909 * and enabling limited discoverable requires a timeout.
1910 */
1911 if ((cp->val == 0x00 && timeout > 0) ||
1912 (cp->val == 0x02 && timeout == 0))
Johan Hedberga69e8372015-03-06 21:08:53 +02001913 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1914 MGMT_STATUS_INVALID_PARAMS);
Johan Hedbergf7b64e692010-12-13 21:07:06 +02001915
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03001916 hci_dev_lock(hdev);
Johan Hedbergf7b64e692010-12-13 21:07:06 +02001917
Johan Hedberg5e5282b2012-02-21 16:01:30 +02001918 if (!hdev_is_powered(hdev) && timeout > 0) {
Johan Hedberga69e8372015-03-06 21:08:53 +02001919 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1920 MGMT_STATUS_NOT_POWERED);
Johan Hedbergf7b64e692010-12-13 21:07:06 +02001921 goto failed;
1922 }
1923
Johan Hedberg333ae952015-03-17 13:48:47 +02001924 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1925 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02001926 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1927 MGMT_STATUS_BUSY);
Johan Hedbergf7b64e692010-12-13 21:07:06 +02001928 goto failed;
1929 }
1930
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001931 if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02001932 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1933 MGMT_STATUS_REJECTED);
Johan Hedberg5e5282b2012-02-21 16:01:30 +02001934 goto failed;
1935 }
1936
1937 if (!hdev_is_powered(hdev)) {
Johan Hedberg0224d2f2012-02-21 19:40:05 +02001938 bool changed = false;
1939
Marcel Holtmann310a3d42013-10-15 09:13:39 -07001940 /* Setting limited discoverable when powered off is
1941 * not a valid operation since it requires a timeout
1942 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1943 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001944 if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
Marcel Holtmannce05d602015-03-13 02:11:03 -07001945 hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
Johan Hedberg0224d2f2012-02-21 19:40:05 +02001946 changed = true;
1947 }
1948
Johan Hedberg5e5282b2012-02-21 16:01:30 +02001949 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
Johan Hedberg0224d2f2012-02-21 19:40:05 +02001950 if (err < 0)
1951 goto failed;
1952
1953 if (changed)
1954 err = new_settings(hdev, sk);
1955
Johan Hedberg5e5282b2012-02-21 16:01:30 +02001956 goto failed;
1957 }
1958
Marcel Holtmann310a3d42013-10-15 09:13:39 -07001959 /* If the current mode is the same, then just update the timeout
1960 * value with the new value. And if only the timeout gets updated,
1961 * then no need for any HCI transactions.
1962 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07001963 if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1964 (cp->val == 0x02) == hci_dev_test_flag(hdev,
1965 HCI_LIMITED_DISCOVERABLE)) {
Marcel Holtmann36261542013-10-15 08:28:51 -07001966 cancel_delayed_work(&hdev->discov_off);
1967 hdev->discov_timeout = timeout;
Marcel Holtmann955638e2012-02-22 18:21:00 +01001968
Marcel Holtmann36261542013-10-15 08:28:51 -07001969 if (cp->val && hdev->discov_timeout > 0) {
1970 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
Marcel Holtmann955638e2012-02-22 18:21:00 +01001971 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
Marcel Holtmann36261542013-10-15 08:28:51 -07001972 to);
Marcel Holtmann955638e2012-02-22 18:21:00 +01001973 }
1974
Johan Hedberg69ab39e2011-12-15 00:47:35 +02001975 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
Johan Hedbergf7b64e692010-12-13 21:07:06 +02001976 goto failed;
1977 }
1978
1979 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
1980 if (!cmd) {
1981 err = -ENOMEM;
1982 goto failed;
1983 }
1984
Marcel Holtmann310a3d42013-10-15 09:13:39 -07001985 /* Cancel any potential discoverable timeout that might be
1986 * still active and store new timeout value. The arming of
1987 * the timeout happens in the complete handler.
1988 */
1989 cancel_delayed_work(&hdev->discov_off);
1990 hdev->discov_timeout = timeout;
1991
Johan Hedbergb456f872013-10-19 23:38:22 +03001992 /* Limited discoverable mode */
1993 if (cp->val == 0x02)
Marcel Holtmanna1536da2015-03-13 02:11:01 -07001994 hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
Johan Hedbergb456f872013-10-19 23:38:22 +03001995 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -07001996 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
Johan Hedbergb456f872013-10-19 23:38:22 +03001997
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03001998 hci_req_init(&req, hdev);
1999
Johan Hedberg9a43e252013-10-20 19:00:07 +03002000 /* The procedure for LE-only controllers is much simpler - just
2001 * update the advertising data.
2002 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002003 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
Johan Hedberg9a43e252013-10-20 19:00:07 +03002004 goto update_ad;
2005
Johan Hedbergf7b64e692010-12-13 21:07:06 +02002006 scan = SCAN_PAGE;
2007
Marcel Holtmann310a3d42013-10-15 09:13:39 -07002008 if (cp->val) {
2009 struct hci_cp_write_current_iac_lap hci_cp;
Johan Hedbergf7b64e692010-12-13 21:07:06 +02002010
Marcel Holtmann310a3d42013-10-15 09:13:39 -07002011 if (cp->val == 0x02) {
2012 /* Limited discoverable mode */
Marcel Holtmann33337dc2013-10-23 08:28:01 -07002013 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
Marcel Holtmann310a3d42013-10-15 09:13:39 -07002014 hci_cp.iac_lap[0] = 0x00; /* LIAC */
2015 hci_cp.iac_lap[1] = 0x8b;
2016 hci_cp.iac_lap[2] = 0x9e;
2017 hci_cp.iac_lap[3] = 0x33; /* GIAC */
2018 hci_cp.iac_lap[4] = 0x8b;
2019 hci_cp.iac_lap[5] = 0x9e;
2020 } else {
2021 /* General discoverable mode */
Marcel Holtmann310a3d42013-10-15 09:13:39 -07002022 hci_cp.num_iac = 1;
2023 hci_cp.iac_lap[0] = 0x33; /* GIAC */
2024 hci_cp.iac_lap[1] = 0x8b;
2025 hci_cp.iac_lap[2] = 0x9e;
2026 }
2027
2028 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
2029 (hci_cp.num_iac * 3) + 1, &hci_cp);
2030
2031 scan |= SCAN_INQUIRY;
2032 } else {
Marcel Holtmanna358dc12015-03-13 02:11:02 -07002033 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
Marcel Holtmann310a3d42013-10-15 09:13:39 -07002034 }
2035
2036 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03002037
Johan Hedberg9a43e252013-10-20 19:00:07 +03002038update_ad:
2039 update_adv_data(&req);
2040
Johan Hedbergbfaf8c92013-10-14 21:15:27 +03002041 err = hci_req_run(&req, set_discoverable_complete);
Johan Hedbergf7b64e692010-12-13 21:07:06 +02002042 if (err < 0)
2043 mgmt_pending_remove(cmd);
2044
Johan Hedbergf7b64e692010-12-13 21:07:06 +02002045failed:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002046 hci_dev_unlock(hdev);
Johan Hedbergf7b64e692010-12-13 21:07:06 +02002047 return err;
2048}
2049
Johan Hedberg406d7802013-03-15 17:07:09 -05002050static void write_fast_connectable(struct hci_request *req, bool enable)
2051{
Johan Hedbergbd98b992013-03-15 17:07:13 -05002052 struct hci_dev *hdev = req->hdev;
Johan Hedberg406d7802013-03-15 17:07:09 -05002053 struct hci_cp_write_page_scan_activity acp;
2054 u8 type;
2055
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002056 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
Johan Hedberg547003b2013-10-21 16:51:53 +03002057 return;
2058
Johan Hedberg4c01f8b2013-03-15 17:07:14 -05002059 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
2060 return;
2061
Johan Hedberg406d7802013-03-15 17:07:09 -05002062 if (enable) {
2063 type = PAGE_SCAN_TYPE_INTERLACED;
2064
2065 /* 160 msec page scan interval */
Joe Perchesdcf4adb2014-03-12 10:52:35 -07002066 acp.interval = cpu_to_le16(0x0100);
Johan Hedberg406d7802013-03-15 17:07:09 -05002067 } else {
2068 type = PAGE_SCAN_TYPE_STANDARD; /* default */
2069
2070 /* default 1.28 sec page scan */
Joe Perchesdcf4adb2014-03-12 10:52:35 -07002071 acp.interval = cpu_to_le16(0x0800);
Johan Hedberg406d7802013-03-15 17:07:09 -05002072 }
2073
Joe Perchesdcf4adb2014-03-12 10:52:35 -07002074 acp.window = cpu_to_le16(0x0012);
Johan Hedberg406d7802013-03-15 17:07:09 -05002075
Johan Hedbergbd98b992013-03-15 17:07:13 -05002076 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
2077 __cpu_to_le16(hdev->page_scan_window) != acp.window)
2078 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
2079 sizeof(acp), &acp);
2080
2081 if (hdev->page_scan_type != type)
2082 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
Johan Hedberg406d7802013-03-15 17:07:09 -05002083}
2084
Marcel Holtmann1904a852015-01-11 13:50:44 -08002085static void set_connectable_complete(struct hci_dev *hdev, u8 status,
2086 u16 opcode)
Johan Hedberg2b76f452013-03-15 17:07:04 -05002087{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002088 struct mgmt_pending_cmd *cmd;
Johan Hedbergd7b856f2013-10-14 16:20:04 +03002089 struct mgmt_mode *cp;
Johan Hedbergbc6d2d02014-07-10 12:09:08 +03002090 bool conn_changed, discov_changed;
Johan Hedberg2b76f452013-03-15 17:07:04 -05002091
2092 BT_DBG("status 0x%02x", status);
2093
2094 hci_dev_lock(hdev);
2095
Johan Hedberg333ae952015-03-17 13:48:47 +02002096 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
Johan Hedberg2b76f452013-03-15 17:07:04 -05002097 if (!cmd)
2098 goto unlock;
2099
Johan Hedberg37438c12013-10-14 16:20:05 +03002100 if (status) {
2101 u8 mgmt_err = mgmt_status(status);
Johan Hedberga69e8372015-03-06 21:08:53 +02002102 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
Johan Hedberg37438c12013-10-14 16:20:05 +03002103 goto remove_cmd;
2104 }
2105
Johan Hedbergd7b856f2013-10-14 16:20:04 +03002106 cp = cmd->param;
Johan Hedbergbc6d2d02014-07-10 12:09:08 +03002107 if (cp->val) {
Marcel Holtmann238be782015-03-13 02:11:06 -07002108 conn_changed = !hci_dev_test_and_set_flag(hdev,
2109 HCI_CONNECTABLE);
Johan Hedbergbc6d2d02014-07-10 12:09:08 +03002110 discov_changed = false;
2111 } else {
Marcel Holtmanna69d8922015-03-13 02:11:05 -07002112 conn_changed = hci_dev_test_and_clear_flag(hdev,
2113 HCI_CONNECTABLE);
2114 discov_changed = hci_dev_test_and_clear_flag(hdev,
2115 HCI_DISCOVERABLE);
Johan Hedbergbc6d2d02014-07-10 12:09:08 +03002116 }
Johan Hedbergd7b856f2013-10-14 16:20:04 +03002117
Johan Hedberg2b76f452013-03-15 17:07:04 -05002118 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
2119
Johan Hedbergbc6d2d02014-07-10 12:09:08 +03002120 if (conn_changed || discov_changed) {
Johan Hedbergd7b856f2013-10-14 16:20:04 +03002121 new_settings(hdev, cmd->sk);
Johan Hedberg1d2dc5b2014-12-19 13:40:19 +02002122 hci_update_page_scan(hdev);
Johan Hedbergbc6d2d02014-07-10 12:09:08 +03002123 if (discov_changed)
2124 mgmt_update_adv_data(hdev);
Johan Hedberg2b7be332014-07-07 14:40:22 +03002125 hci_update_background_scan(hdev);
2126 }
Johan Hedbergd7b856f2013-10-14 16:20:04 +03002127
Johan Hedberg37438c12013-10-14 16:20:05 +03002128remove_cmd:
Johan Hedberg2b76f452013-03-15 17:07:04 -05002129 mgmt_pending_remove(cmd);
2130
2131unlock:
2132 hci_dev_unlock(hdev);
2133}
2134
Johan Hedberge8ba3a12013-10-19 23:38:18 +03002135static int set_connectable_update_settings(struct hci_dev *hdev,
2136 struct sock *sk, u8 val)
2137{
2138 bool changed = false;
2139 int err;
2140
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002141 if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
Johan Hedberge8ba3a12013-10-19 23:38:18 +03002142 changed = true;
2143
2144 if (val) {
Marcel Holtmanna1536da2015-03-13 02:11:01 -07002145 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
Johan Hedberge8ba3a12013-10-19 23:38:18 +03002146 } else {
Marcel Holtmanna358dc12015-03-13 02:11:02 -07002147 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
2148 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
Johan Hedberge8ba3a12013-10-19 23:38:18 +03002149 }
2150
2151 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
2152 if (err < 0)
2153 return err;
2154
Johan Hedberg562064e2014-07-08 16:35:34 +03002155 if (changed) {
Johan Hedberg1d2dc5b2014-12-19 13:40:19 +02002156 hci_update_page_scan(hdev);
Johan Hedberg562064e2014-07-08 16:35:34 +03002157 hci_update_background_scan(hdev);
Johan Hedberge8ba3a12013-10-19 23:38:18 +03002158 return new_settings(hdev, sk);
Johan Hedberg562064e2014-07-08 16:35:34 +03002159 }
Johan Hedberge8ba3a12013-10-19 23:38:18 +03002160
2161 return 0;
2162}
2163
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002164static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03002165 u16 len)
Johan Hedbergf7b64e692010-12-13 21:07:06 +02002166{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03002167 struct mgmt_mode *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002168 struct mgmt_pending_cmd *cmd;
Johan Hedberg2b76f452013-03-15 17:07:04 -05002169 struct hci_request req;
Johan Hedberg1987fdc2013-10-14 21:15:24 +03002170 u8 scan;
Johan Hedbergf7b64e692010-12-13 21:07:06 +02002171 int err;
Johan Hedberg03811012010-12-08 00:21:06 +02002172
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002173 BT_DBG("request for %s", hdev->name);
Johan Hedberge41d8b42010-12-13 21:07:03 +02002174
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002175 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
2176 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
Johan Hedberga69e8372015-03-06 21:08:53 +02002177 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2178 MGMT_STATUS_REJECTED);
Johan Hedberg33c525c2012-10-24 21:11:58 +03002179
Johan Hedberga7e80f22013-01-09 16:05:19 +02002180 if (cp->val != 0x00 && cp->val != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02002181 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2182 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga7e80f22013-01-09 16:05:19 +02002183
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002184 hci_dev_lock(hdev);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002185
Johan Hedberg4b34ee782012-02-21 14:13:02 +02002186 if (!hdev_is_powered(hdev)) {
Johan Hedberge8ba3a12013-10-19 23:38:18 +03002187 err = set_connectable_update_settings(hdev, sk, cp->val);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002188 goto failed;
2189 }
2190
Johan Hedberg333ae952015-03-17 13:48:47 +02002191 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
2192 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002193 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2194 MGMT_STATUS_BUSY);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002195 goto failed;
2196 }
2197
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002198 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
2199 if (!cmd) {
2200 err = -ENOMEM;
2201 goto failed;
2202 }
2203
Johan Hedberg2b76f452013-03-15 17:07:04 -05002204 hci_req_init(&req, hdev);
2205
Johan Hedberg9a43e252013-10-20 19:00:07 +03002206 /* If BR/EDR is not enabled and we disable advertising as a
2207 * by-product of disabling connectable, we need to update the
2208 * advertising flags.
2209 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002210 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
Johan Hedberg9a43e252013-10-20 19:00:07 +03002211 if (!cp->val) {
Marcel Holtmanna358dc12015-03-13 02:11:02 -07002212 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
2213 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
Johan Hedberg9a43e252013-10-20 19:00:07 +03002214 }
2215 update_adv_data(&req);
2216 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
Johan Hedberg9b742462013-10-14 16:20:03 +03002217 if (cp->val) {
2218 scan = SCAN_PAGE;
2219 } else {
Johan Hedberg3bd27242014-07-28 20:53:58 +03002220 /* If we don't have any whitelist entries just
2221 * disable all scanning. If there are entries
2222 * and we had both page and inquiry scanning
2223 * enabled then fall back to only page scanning.
2224 * Otherwise no changes are needed.
2225 */
2226 if (list_empty(&hdev->whitelist))
2227 scan = SCAN_DISABLED;
2228 else if (test_bit(HCI_ISCAN, &hdev->flags))
2229 scan = SCAN_PAGE;
2230 else
2231 goto no_scan_update;
Johan Hedberg9b742462013-10-14 16:20:03 +03002232
2233 if (test_bit(HCI_ISCAN, &hdev->flags) &&
Marcel Holtmann8d6083f2013-10-14 16:38:45 -07002234 hdev->discov_timeout > 0)
Johan Hedberg9b742462013-10-14 16:20:03 +03002235 cancel_delayed_work(&hdev->discov_off);
2236 }
2237
2238 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
2239 }
Johan Hedberg2b76f452013-03-15 17:07:04 -05002240
Johan Hedberg3bd27242014-07-28 20:53:58 +03002241no_scan_update:
Johan Hedberge8b12022014-07-10 10:51:27 +03002242 /* Update the advertising parameters if necessary */
Arman Uguray880897d2015-03-28 12:39:00 -07002243 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
2244 hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
Johan Hedberg1987fdc2013-10-14 21:15:24 +03002245 enable_advertising(&req);
Johan Hedberg1987fdc2013-10-14 21:15:24 +03002246
Johan Hedberg2b76f452013-03-15 17:07:04 -05002247 err = hci_req_run(&req, set_connectable_complete);
Johan Hedberg9b742462013-10-14 16:20:03 +03002248 if (err < 0) {
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002249 mgmt_pending_remove(cmd);
Johan Hedberg9b742462013-10-14 16:20:03 +03002250 if (err == -ENODATA)
Johan Hedberga81070b2013-10-19 23:38:19 +03002251 err = set_connectable_update_settings(hdev, sk,
2252 cp->val);
Johan Hedberg9b742462013-10-14 16:20:03 +03002253 goto failed;
2254 }
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002255
2256failed:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002257 hci_dev_unlock(hdev);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002258 return err;
2259}
2260
Johan Hedbergb2939472014-07-30 09:22:23 +03002261static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03002262 u16 len)
Johan Hedberg73f22f62010-12-29 16:00:25 +02002263{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03002264 struct mgmt_mode *cp = data;
Marcel Holtmann55594352013-10-06 16:11:57 -07002265 bool changed;
Johan Hedberg73f22f62010-12-29 16:00:25 +02002266 int err;
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002267
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002268 BT_DBG("request for %s", hdev->name);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002269
Johan Hedberga7e80f22013-01-09 16:05:19 +02002270 if (cp->val != 0x00 && cp->val != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02002271 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
2272 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga7e80f22013-01-09 16:05:19 +02002273
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002274 hci_dev_lock(hdev);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002275
2276 if (cp->val)
Marcel Holtmann238be782015-03-13 02:11:06 -07002277 changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002278 else
Marcel Holtmanna69d8922015-03-13 02:11:05 -07002279 changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002280
Johan Hedbergb2939472014-07-30 09:22:23 +03002281 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002282 if (err < 0)
Marcel Holtmann55594352013-10-06 16:11:57 -07002283 goto unlock;
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002284
Marcel Holtmann55594352013-10-06 16:11:57 -07002285 if (changed)
2286 err = new_settings(hdev, sk);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002287
Marcel Holtmann55594352013-10-06 16:11:57 -07002288unlock:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002289 hci_dev_unlock(hdev);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02002290 return err;
2291}
Johan Hedberg72a734e2010-12-30 00:38:22 +02002292
Gustavo F. Padovan04124682012-03-08 01:25:00 -03002293static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
2294 u16 len)
Johan Hedberg33ef95e2012-02-16 23:56:27 +02002295{
2296 struct mgmt_mode *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002297 struct mgmt_pending_cmd *cmd;
Johan Hedberge6fe7982013-10-02 15:45:22 +03002298 u8 val, status;
Johan Hedberg33ef95e2012-02-16 23:56:27 +02002299 int err;
2300
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002301 BT_DBG("request for %s", hdev->name);
Johan Hedberg33ef95e2012-02-16 23:56:27 +02002302
Johan Hedberge6fe7982013-10-02 15:45:22 +03002303 status = mgmt_bredr_support(hdev);
2304 if (status)
Johan Hedberga69e8372015-03-06 21:08:53 +02002305 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2306 status);
Johan Hedberg33c525c2012-10-24 21:11:58 +03002307
Johan Hedberga7e80f22013-01-09 16:05:19 +02002308 if (cp->val != 0x00 && cp->val != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02002309 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2310 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga7e80f22013-01-09 16:05:19 +02002311
Johan Hedberg33ef95e2012-02-16 23:56:27 +02002312 hci_dev_lock(hdev);
2313
Johan Hedberg4b34ee782012-02-21 14:13:02 +02002314 if (!hdev_is_powered(hdev)) {
Johan Hedberg47990ea2012-02-22 11:58:37 +02002315 bool changed = false;
2316
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002317 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
Marcel Holtmannce05d602015-03-13 02:11:03 -07002318 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
Johan Hedberg47990ea2012-02-22 11:58:37 +02002319 changed = true;
2320 }
2321
2322 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2323 if (err < 0)
2324 goto failed;
2325
2326 if (changed)
2327 err = new_settings(hdev, sk);
2328
Johan Hedberg33ef95e2012-02-16 23:56:27 +02002329 goto failed;
2330 }
2331
Johan Hedberg333ae952015-03-17 13:48:47 +02002332 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002333 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2334 MGMT_STATUS_BUSY);
Johan Hedberg33ef95e2012-02-16 23:56:27 +02002335 goto failed;
2336 }
2337
2338 val = !!cp->val;
2339
2340 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2341 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2342 goto failed;
2343 }
2344
2345 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2346 if (!cmd) {
2347 err = -ENOMEM;
2348 goto failed;
2349 }
2350
2351 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2352 if (err < 0) {
2353 mgmt_pending_remove(cmd);
2354 goto failed;
2355 }
2356
2357failed:
2358 hci_dev_unlock(hdev);
Johan Hedberg33ef95e2012-02-16 23:56:27 +02002359 return err;
2360}
2361
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002362static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
Johan Hedberged2c4ee2012-02-17 00:56:28 +02002363{
2364 struct mgmt_mode *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002365 struct mgmt_pending_cmd *cmd;
Marcel Holtmann72ef0c12013-10-10 03:08:10 -07002366 u8 status;
Johan Hedberged2c4ee2012-02-17 00:56:28 +02002367 int err;
2368
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002369 BT_DBG("request for %s", hdev->name);
Johan Hedberged2c4ee2012-02-17 00:56:28 +02002370
Marcel Holtmanncdba5282013-10-02 21:31:52 -07002371 status = mgmt_bredr_support(hdev);
2372 if (status)
Johan Hedberga69e8372015-03-06 21:08:53 +02002373 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
Marcel Holtmanncdba5282013-10-02 21:31:52 -07002374
Johan Hedberg13ecd8b2013-01-09 15:29:38 +02002375 if (!lmp_ssp_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02002376 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2377 MGMT_STATUS_NOT_SUPPORTED);
Johan Hedberged2c4ee2012-02-17 00:56:28 +02002378
Johan Hedberga7e80f22013-01-09 16:05:19 +02002379 if (cp->val != 0x00 && cp->val != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02002380 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2381 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga7e80f22013-01-09 16:05:19 +02002382
Johan Hedberg13ecd8b2013-01-09 15:29:38 +02002383 hci_dev_lock(hdev);
Johan Hedberg6c8f12c2012-02-22 16:35:26 +02002384
Johan Hedberg4b34ee782012-02-21 14:13:02 +02002385 if (!hdev_is_powered(hdev)) {
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07002386 bool changed;
Johan Hedbergc0ecddc2012-02-22 12:38:31 +02002387
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07002388 if (cp->val) {
Marcel Holtmann238be782015-03-13 02:11:06 -07002389 changed = !hci_dev_test_and_set_flag(hdev,
2390 HCI_SSP_ENABLED);
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07002391 } else {
Marcel Holtmanna69d8922015-03-13 02:11:05 -07002392 changed = hci_dev_test_and_clear_flag(hdev,
2393 HCI_SSP_ENABLED);
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07002394 if (!changed)
Marcel Holtmanna69d8922015-03-13 02:11:05 -07002395 changed = hci_dev_test_and_clear_flag(hdev,
2396 HCI_HS_ENABLED);
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07002397 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -07002398 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
Johan Hedbergc0ecddc2012-02-22 12:38:31 +02002399 }
2400
2401 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2402 if (err < 0)
2403 goto failed;
2404
2405 if (changed)
2406 err = new_settings(hdev, sk);
2407
Johan Hedberged2c4ee2012-02-17 00:56:28 +02002408 goto failed;
2409 }
2410
Johan Hedberg333ae952015-03-17 13:48:47 +02002411 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002412 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2413 MGMT_STATUS_BUSY);
Johan Hedberged2c4ee2012-02-17 00:56:28 +02002414 goto failed;
2415 }
2416
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002417 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
Johan Hedberged2c4ee2012-02-17 00:56:28 +02002418 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2419 goto failed;
2420 }
2421
2422 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2423 if (!cmd) {
2424 err = -ENOMEM;
2425 goto failed;
2426 }
2427
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002428 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
Johan Hedberg37699722014-06-24 14:00:27 +03002429 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2430 sizeof(cp->val), &cp->val);
2431
Marcel Holtmann72ef0c12013-10-10 03:08:10 -07002432 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
Johan Hedberged2c4ee2012-02-17 00:56:28 +02002433 if (err < 0) {
2434 mgmt_pending_remove(cmd);
2435 goto failed;
2436 }
2437
2438failed:
2439 hci_dev_unlock(hdev);
Johan Hedberged2c4ee2012-02-17 00:56:28 +02002440 return err;
2441}
2442
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002443static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
Johan Hedberg6d80dfd2012-02-20 23:50:38 +02002444{
2445 struct mgmt_mode *cp = data;
Marcel Holtmannee392692013-10-01 22:59:23 -07002446 bool changed;
Johan Hedberge6fe7982013-10-02 15:45:22 +03002447 u8 status;
Marcel Holtmannee392692013-10-01 22:59:23 -07002448 int err;
Johan Hedberg6d80dfd2012-02-20 23:50:38 +02002449
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002450 BT_DBG("request for %s", hdev->name);
Johan Hedberg6d80dfd2012-02-20 23:50:38 +02002451
Johan Hedberge6fe7982013-10-02 15:45:22 +03002452 status = mgmt_bredr_support(hdev);
2453 if (status)
Johan Hedberga69e8372015-03-06 21:08:53 +02002454 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
Johan Hedberg6d80dfd2012-02-20 23:50:38 +02002455
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07002456 if (!lmp_ssp_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02002457 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2458 MGMT_STATUS_NOT_SUPPORTED);
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07002459
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002460 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
Johan Hedberga69e8372015-03-06 21:08:53 +02002461 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2462 MGMT_STATUS_REJECTED);
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07002463
Johan Hedberga7e80f22013-01-09 16:05:19 +02002464 if (cp->val != 0x00 && cp->val != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02002465 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2466 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga7e80f22013-01-09 16:05:19 +02002467
Marcel Holtmannee392692013-10-01 22:59:23 -07002468 hci_dev_lock(hdev);
Johan Hedberg6d80dfd2012-02-20 23:50:38 +02002469
Johan Hedberg333ae952015-03-17 13:48:47 +02002470 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002471 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2472 MGMT_STATUS_BUSY);
Johan Hedberga2cb01d2015-02-19 17:38:07 +02002473 goto unlock;
2474 }
2475
Marcel Holtmanna0cdf9602013-10-02 00:27:02 -07002476 if (cp->val) {
Marcel Holtmann238be782015-03-13 02:11:06 -07002477 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
Marcel Holtmanna0cdf9602013-10-02 00:27:02 -07002478 } else {
2479 if (hdev_is_powered(hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002480 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2481 MGMT_STATUS_REJECTED);
Marcel Holtmanna0cdf9602013-10-02 00:27:02 -07002482 goto unlock;
2483 }
2484
Marcel Holtmanna69d8922015-03-13 02:11:05 -07002485 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
Marcel Holtmanna0cdf9602013-10-02 00:27:02 -07002486 }
Marcel Holtmannee392692013-10-01 22:59:23 -07002487
2488 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2489 if (err < 0)
2490 goto unlock;
2491
2492 if (changed)
2493 err = new_settings(hdev, sk);
2494
2495unlock:
2496 hci_dev_unlock(hdev);
2497 return err;
Johan Hedberg6d80dfd2012-02-20 23:50:38 +02002498}
2499
Marcel Holtmann1904a852015-01-11 13:50:44 -08002500static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg416a4ae2013-09-25 13:26:08 +03002501{
2502 struct cmd_lookup match = { NULL, hdev };
2503
Jaganath Kanakkassery3ad67582014-12-11 11:43:12 +05302504 hci_dev_lock(hdev);
2505
Johan Hedberg416a4ae2013-09-25 13:26:08 +03002506 if (status) {
2507 u8 mgmt_err = mgmt_status(status);
2508
2509 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2510 &mgmt_err);
Jaganath Kanakkassery3ad67582014-12-11 11:43:12 +05302511 goto unlock;
Johan Hedberg416a4ae2013-09-25 13:26:08 +03002512 }
2513
2514 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2515
2516 new_settings(hdev, match.sk);
2517
2518 if (match.sk)
2519 sock_put(match.sk);
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07002520
2521 /* Make sure the controller has a good default for
2522 * advertising data. Restrict the update to when LE
2523 * has actually been enabled. During power on, the
2524 * update in powered_update_hci will take care of it.
2525 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002526 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07002527 struct hci_request req;
2528
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07002529 hci_req_init(&req, hdev);
Marcel Holtmann5947f4b2013-10-16 00:16:50 -07002530 update_adv_data(&req);
Marcel Holtmannf14d8f62013-10-16 00:16:48 -07002531 update_scan_rsp_data(&req);
Johan Hedberg2cf22212014-12-19 22:26:00 +02002532 __hci_update_background_scan(&req);
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07002533 hci_req_run(&req, NULL);
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07002534 }
Jaganath Kanakkassery3ad67582014-12-11 11:43:12 +05302535
2536unlock:
2537 hci_dev_unlock(hdev);
Johan Hedberg416a4ae2013-09-25 13:26:08 +03002538}
2539
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002540static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
Johan Hedberg06199cf2012-02-22 16:37:11 +02002541{
2542 struct mgmt_mode *cp = data;
2543 struct hci_cp_write_le_host_supported hci_cp;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002544 struct mgmt_pending_cmd *cmd;
Johan Hedberg416a4ae2013-09-25 13:26:08 +03002545 struct hci_request req;
Johan Hedberg06199cf2012-02-22 16:37:11 +02002546 int err;
Johan Hedberg0b60eba2012-02-28 00:57:24 +02002547 u8 val, enabled;
Johan Hedberg06199cf2012-02-22 16:37:11 +02002548
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002549 BT_DBG("request for %s", hdev->name);
Johan Hedberg06199cf2012-02-22 16:37:11 +02002550
Johan Hedberg13ecd8b2013-01-09 15:29:38 +02002551 if (!lmp_le_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02002552 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2553 MGMT_STATUS_NOT_SUPPORTED);
Johan Hedberg1de028c2012-02-29 19:55:35 -08002554
Johan Hedberga7e80f22013-01-09 16:05:19 +02002555 if (cp->val != 0x00 && cp->val != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02002556 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2557 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga7e80f22013-01-09 16:05:19 +02002558
Marcel Holtmanne7844ee2015-03-18 16:15:07 -07002559 /* Bluetooth single mode LE only controllers or dual-mode
2560 * controllers configured as LE only devices, do not allow
2561 * switching LE off. These have either LE enabled explicitly
2562 * or BR/EDR has been previously switched off.
2563 *
2564 * When trying to enable an already enabled LE, then gracefully
2565 * send a positive response. Trying to disable it however will
2566 * result into rejection.
2567 */
2568 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
2569 if (cp->val == 0x01)
2570 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2571
Johan Hedberga69e8372015-03-06 21:08:53 +02002572 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2573 MGMT_STATUS_REJECTED);
Marcel Holtmanne7844ee2015-03-18 16:15:07 -07002574 }
Johan Hedbergc73eee92013-04-19 18:35:21 +03002575
Johan Hedberg13ecd8b2013-01-09 15:29:38 +02002576 hci_dev_lock(hdev);
Johan Hedberg06199cf2012-02-22 16:37:11 +02002577
2578 val = !!cp->val;
Gustavo Padovanffa88e02012-11-23 16:50:51 -02002579 enabled = lmp_host_le_capable(hdev);
Johan Hedberg06199cf2012-02-22 16:37:11 +02002580
Florian Grandel847818d2015-06-18 03:16:46 +02002581 if (!val)
2582 clear_adv_instance(hdev, NULL, 0x00, true);
2583
Johan Hedberg0b60eba2012-02-28 00:57:24 +02002584 if (!hdev_is_powered(hdev) || val == enabled) {
Johan Hedberg06199cf2012-02-22 16:37:11 +02002585 bool changed = false;
2586
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002587 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
Marcel Holtmannce05d602015-03-13 02:11:03 -07002588 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
Johan Hedberg06199cf2012-02-22 16:37:11 +02002589 changed = true;
2590 }
2591
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002592 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
Marcel Holtmanna358dc12015-03-13 02:11:02 -07002593 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
Johan Hedbergeeca6f82013-09-25 13:26:09 +03002594 changed = true;
2595 }
2596
Johan Hedberg06199cf2012-02-22 16:37:11 +02002597 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2598 if (err < 0)
Johan Hedberg1de028c2012-02-29 19:55:35 -08002599 goto unlock;
Johan Hedberg06199cf2012-02-22 16:37:11 +02002600
2601 if (changed)
2602 err = new_settings(hdev, sk);
2603
Johan Hedberg1de028c2012-02-29 19:55:35 -08002604 goto unlock;
Johan Hedberg06199cf2012-02-22 16:37:11 +02002605 }
2606
Johan Hedberg333ae952015-03-17 13:48:47 +02002607 if (pending_find(MGMT_OP_SET_LE, hdev) ||
2608 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002609 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2610 MGMT_STATUS_BUSY);
Johan Hedberg1de028c2012-02-29 19:55:35 -08002611 goto unlock;
Johan Hedberg06199cf2012-02-22 16:37:11 +02002612 }
2613
2614 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2615 if (!cmd) {
2616 err = -ENOMEM;
Johan Hedberg1de028c2012-02-29 19:55:35 -08002617 goto unlock;
Johan Hedberg06199cf2012-02-22 16:37:11 +02002618 }
2619
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07002620 hci_req_init(&req, hdev);
2621
Johan Hedberg06199cf2012-02-22 16:37:11 +02002622 memset(&hci_cp, 0, sizeof(hci_cp));
2623
2624 if (val) {
2625 hci_cp.le = val;
Marcel Holtmann32226e42014-07-24 20:04:16 +02002626 hci_cp.simul = 0x00;
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07002627 } else {
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07002628 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07002629 disable_advertising(&req);
Johan Hedberg06199cf2012-02-22 16:37:11 +02002630 }
2631
Johan Hedberg416a4ae2013-09-25 13:26:08 +03002632 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2633 &hci_cp);
2634
2635 err = hci_req_run(&req, le_enable_complete);
Syam Sidhardhan0c01bc42012-04-12 20:33:21 +05302636 if (err < 0)
Johan Hedberg06199cf2012-02-22 16:37:11 +02002637 mgmt_pending_remove(cmd);
Johan Hedberg06199cf2012-02-22 16:37:11 +02002638
Johan Hedberg1de028c2012-02-29 19:55:35 -08002639unlock:
2640 hci_dev_unlock(hdev);
Johan Hedberg06199cf2012-02-22 16:37:11 +02002641 return err;
2642}
2643
Johan Hedberg0cab9c82013-03-15 17:06:54 -05002644/* This is a helper function to test for pending mgmt commands that can
2645 * cause CoD or EIR HCI commands. We can only allow one such pending
2646 * mgmt command at a time since otherwise we cannot easily track what
2647 * the current values are, will be, and based on that calculate if a new
2648 * HCI command needs to be sent and if yes with what value.
2649 */
2650static bool pending_eir_or_class(struct hci_dev *hdev)
2651{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002652 struct mgmt_pending_cmd *cmd;
Johan Hedberg0cab9c82013-03-15 17:06:54 -05002653
2654 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2655 switch (cmd->opcode) {
2656 case MGMT_OP_ADD_UUID:
2657 case MGMT_OP_REMOVE_UUID:
2658 case MGMT_OP_SET_DEV_CLASS:
2659 case MGMT_OP_SET_POWERED:
2660 return true;
2661 }
2662 }
2663
2664 return false;
2665}
2666
Johan Hedberg83be8ec2013-01-27 00:31:29 +02002667static const u8 bluetooth_base_uuid[] = {
2668 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2669 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2670};
2671
2672static u8 get_uuid_size(const u8 *uuid)
2673{
2674 u32 val;
2675
2676 if (memcmp(uuid, bluetooth_base_uuid, 12))
2677 return 128;
2678
2679 val = get_unaligned_le32(&uuid[12]);
2680 if (val > 0xffff)
2681 return 32;
2682
2683 return 16;
2684}
2685
Johan Hedberg92da6092013-03-15 17:06:55 -05002686static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2687{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002688 struct mgmt_pending_cmd *cmd;
Johan Hedberg92da6092013-03-15 17:06:55 -05002689
2690 hci_dev_lock(hdev);
2691
Johan Hedberg333ae952015-03-17 13:48:47 +02002692 cmd = pending_find(mgmt_op, hdev);
Johan Hedberg92da6092013-03-15 17:06:55 -05002693 if (!cmd)
2694 goto unlock;
2695
Johan Hedberg2a1afb52015-03-06 21:08:54 +02002696 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
2697 mgmt_status(status), hdev->dev_class, 3);
Johan Hedberg92da6092013-03-15 17:06:55 -05002698
2699 mgmt_pending_remove(cmd);
2700
2701unlock:
2702 hci_dev_unlock(hdev);
2703}
2704
Marcel Holtmann1904a852015-01-11 13:50:44 -08002705static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg92da6092013-03-15 17:06:55 -05002706{
2707 BT_DBG("status 0x%02x", status);
2708
2709 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2710}
2711
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002712static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002713{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03002714 struct mgmt_cp_add_uuid *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002715 struct mgmt_pending_cmd *cmd;
Johan Hedberg890ea892013-03-15 17:06:52 -05002716 struct hci_request req;
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002717 struct bt_uuid *uuid;
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002718 int err;
2719
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002720 BT_DBG("request for %s", hdev->name);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002721
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002722 hci_dev_lock(hdev);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002723
Johan Hedberg0cab9c82013-03-15 17:06:54 -05002724 if (pending_eir_or_class(hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002725 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
2726 MGMT_STATUS_BUSY);
Johan Hedbergc95f0ba2012-02-23 22:54:38 +02002727 goto failed;
2728 }
2729
Andre Guedes92c4c202012-06-07 19:05:44 -03002730 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002731 if (!uuid) {
2732 err = -ENOMEM;
2733 goto failed;
2734 }
2735
2736 memcpy(uuid->uuid, cp->uuid, 16);
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002737 uuid->svc_hint = cp->svc_hint;
Johan Hedberg83be8ec2013-01-27 00:31:29 +02002738 uuid->size = get_uuid_size(cp->uuid);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002739
Johan Hedbergde66aa62013-01-27 00:31:27 +02002740 list_add_tail(&uuid->list, &hdev->uuids);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002741
Johan Hedberg890ea892013-03-15 17:06:52 -05002742 hci_req_init(&req, hdev);
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002743
Johan Hedberg890ea892013-03-15 17:06:52 -05002744 update_class(&req);
2745 update_eir(&req);
2746
Johan Hedberg92da6092013-03-15 17:06:55 -05002747 err = hci_req_run(&req, add_uuid_complete);
2748 if (err < 0) {
2749 if (err != -ENODATA)
2750 goto failed;
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03002751
Johan Hedberg2a1afb52015-03-06 21:08:54 +02002752 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
2753 hdev->dev_class, 3);
Johan Hedberg90e70452012-02-23 23:09:40 +02002754 goto failed;
2755 }
2756
2757 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
Johan Hedberg890ea892013-03-15 17:06:52 -05002758 if (!cmd) {
Johan Hedberg90e70452012-02-23 23:09:40 +02002759 err = -ENOMEM;
Johan Hedberg890ea892013-03-15 17:06:52 -05002760 goto failed;
2761 }
2762
2763 err = 0;
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002764
2765failed:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002766 hci_dev_unlock(hdev);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002767 return err;
2768}
2769
Johan Hedberg24b78d02012-02-23 23:24:30 +02002770static bool enable_service_cache(struct hci_dev *hdev)
2771{
2772 if (!hdev_is_powered(hdev))
2773 return false;
2774
Marcel Holtmann238be782015-03-13 02:11:06 -07002775 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
Johan Hedberg46818ed2013-01-14 22:33:52 +02002776 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2777 CACHE_TIMEOUT);
Johan Hedberg24b78d02012-02-23 23:24:30 +02002778 return true;
2779 }
2780
2781 return false;
2782}
2783
Marcel Holtmann1904a852015-01-11 13:50:44 -08002784static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg92da6092013-03-15 17:06:55 -05002785{
2786 BT_DBG("status 0x%02x", status);
2787
2788 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2789}
2790
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002791static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo Padovan8ce8e2b2012-05-17 00:36:20 -03002792 u16 len)
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002793{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03002794 struct mgmt_cp_remove_uuid *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002795 struct mgmt_pending_cmd *cmd;
Johan Hedberg056341c2013-01-27 00:31:30 +02002796 struct bt_uuid *match, *tmp;
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002797 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
Johan Hedberg890ea892013-03-15 17:06:52 -05002798 struct hci_request req;
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002799 int err, found;
2800
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002801 BT_DBG("request for %s", hdev->name);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002802
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002803 hci_dev_lock(hdev);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002804
Johan Hedberg0cab9c82013-03-15 17:06:54 -05002805 if (pending_eir_or_class(hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002806 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2807 MGMT_STATUS_BUSY);
Johan Hedbergc95f0ba2012-02-23 22:54:38 +02002808 goto unlock;
2809 }
2810
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002811 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
Johan Hedberg35f74982014-02-18 17:14:32 +02002812 hci_uuids_clear(hdev);
Johan Hedberg4004b6d2012-02-23 21:30:12 +02002813
Johan Hedberg24b78d02012-02-23 23:24:30 +02002814 if (enable_service_cache(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02002815 err = mgmt_cmd_complete(sk, hdev->id,
2816 MGMT_OP_REMOVE_UUID,
2817 0, hdev->dev_class, 3);
Johan Hedberg24b78d02012-02-23 23:24:30 +02002818 goto unlock;
2819 }
Johan Hedberg4004b6d2012-02-23 21:30:12 +02002820
Johan Hedberg9246a862012-02-23 21:33:16 +02002821 goto update_class;
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002822 }
2823
2824 found = 0;
2825
Johan Hedberg056341c2013-01-27 00:31:30 +02002826 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002827 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2828 continue;
2829
2830 list_del(&match->list);
Johan Hedberg482049f2012-11-08 10:25:26 +01002831 kfree(match);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002832 found++;
2833 }
2834
2835 if (found == 0) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002836 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2837 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002838 goto unlock;
2839 }
2840
Johan Hedberg9246a862012-02-23 21:33:16 +02002841update_class:
Johan Hedberg890ea892013-03-15 17:06:52 -05002842 hci_req_init(&req, hdev);
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002843
Johan Hedberg890ea892013-03-15 17:06:52 -05002844 update_class(&req);
2845 update_eir(&req);
2846
Johan Hedberg92da6092013-03-15 17:06:55 -05002847 err = hci_req_run(&req, remove_uuid_complete);
2848 if (err < 0) {
2849 if (err != -ENODATA)
2850 goto unlock;
Johan Hedberg80a1e1d2011-03-28 14:07:23 +03002851
Johan Hedberg2a1afb52015-03-06 21:08:54 +02002852 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
2853 hdev->dev_class, 3);
Johan Hedberg90e70452012-02-23 23:09:40 +02002854 goto unlock;
2855 }
2856
2857 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
Johan Hedberg890ea892013-03-15 17:06:52 -05002858 if (!cmd) {
Johan Hedberg90e70452012-02-23 23:09:40 +02002859 err = -ENOMEM;
Johan Hedberg890ea892013-03-15 17:06:52 -05002860 goto unlock;
2861 }
2862
2863 err = 0;
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002864
2865unlock:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002866 hci_dev_unlock(hdev);
Johan Hedberg2aeb9a12011-01-04 12:08:51 +02002867 return err;
2868}
2869
Marcel Holtmann1904a852015-01-11 13:50:44 -08002870static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg92da6092013-03-15 17:06:55 -05002871{
2872 BT_DBG("status 0x%02x", status);
2873
2874 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2875}
2876
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002877static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03002878 u16 len)
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002879{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03002880 struct mgmt_cp_set_dev_class *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02002881 struct mgmt_pending_cmd *cmd;
Johan Hedberg890ea892013-03-15 17:06:52 -05002882 struct hci_request req;
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002883 int err;
2884
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002885 BT_DBG("request for %s", hdev->name);
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002886
Marcel Holtmann6203fc92013-10-02 23:37:29 -07002887 if (!lmp_bredr_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02002888 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2889 MGMT_STATUS_NOT_SUPPORTED);
Johan Hedberg13ecd8b2013-01-09 15:29:38 +02002890
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002891 hci_dev_lock(hdev);
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002892
Johan Hedberg0cab9c82013-03-15 17:06:54 -05002893 if (pending_eir_or_class(hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002894 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2895 MGMT_STATUS_BUSY);
Johan Hedberg0cab9c82013-03-15 17:06:54 -05002896 goto unlock;
2897 }
2898
2899 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
Johan Hedberga69e8372015-03-06 21:08:53 +02002900 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2901 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg0cab9c82013-03-15 17:06:54 -05002902 goto unlock;
2903 }
2904
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002905 hdev->major_class = cp->major;
2906 hdev->minor_class = cp->minor;
2907
Johan Hedberg932f5ff2012-02-22 22:11:32 +02002908 if (!hdev_is_powered(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02002909 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2910 hdev->dev_class, 3);
Johan Hedberg932f5ff2012-02-22 22:11:32 +02002911 goto unlock;
2912 }
2913
Johan Hedberg890ea892013-03-15 17:06:52 -05002914 hci_req_init(&req, hdev);
2915
Marcel Holtmanna69d8922015-03-13 02:11:05 -07002916 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
Johan Hedberg7d785252011-12-15 00:47:39 +02002917 hci_dev_unlock(hdev);
2918 cancel_delayed_work_sync(&hdev->service_cache);
2919 hci_dev_lock(hdev);
Johan Hedberg890ea892013-03-15 17:06:52 -05002920 update_eir(&req);
Johan Hedberg7d785252011-12-15 00:47:39 +02002921 }
Johan Hedberg14c0b602011-12-15 00:47:37 +02002922
Johan Hedberg890ea892013-03-15 17:06:52 -05002923 update_class(&req);
2924
Johan Hedberg92da6092013-03-15 17:06:55 -05002925 err = hci_req_run(&req, set_class_complete);
2926 if (err < 0) {
2927 if (err != -ENODATA)
2928 goto unlock;
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002929
Johan Hedberg2a1afb52015-03-06 21:08:54 +02002930 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2931 hdev->dev_class, 3);
Johan Hedberg90e70452012-02-23 23:09:40 +02002932 goto unlock;
2933 }
2934
2935 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
Johan Hedberg890ea892013-03-15 17:06:52 -05002936 if (!cmd) {
Johan Hedberg90e70452012-02-23 23:09:40 +02002937 err = -ENOMEM;
Johan Hedberg890ea892013-03-15 17:06:52 -05002938 goto unlock;
2939 }
2940
2941 err = 0;
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002942
Johan Hedbergb5235a62012-02-21 14:32:24 +02002943unlock:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002944 hci_dev_unlock(hdev);
Johan Hedberg1aff6f02011-01-13 21:56:52 +02002945 return err;
2946}
2947
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002948static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo Padovan8ce8e2b2012-05-17 00:36:20 -03002949 u16 len)
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02002950{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03002951 struct mgmt_cp_load_link_keys *cp = data;
Johan Hedbergba1d6932014-07-03 13:52:27 +03002952 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2953 sizeof(struct mgmt_link_key_info));
Szymon Janc4e51eae2011-02-25 19:05:48 +01002954 u16 key_count, expected_len;
Marcel Holtmannb1de97d2014-01-31 11:55:21 -08002955 bool changed;
Vinicius Costa Gomesa492cd52011-08-25 20:02:29 -03002956 int i;
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02002957
Marcel Holtmann9060d5c2013-10-02 21:16:07 -07002958 BT_DBG("request for %s", hdev->name);
2959
2960 if (!lmp_bredr_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02002961 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2962 MGMT_STATUS_NOT_SUPPORTED);
Marcel Holtmann9060d5c2013-10-02 21:16:07 -07002963
Marcel Holtmann1f350c82012-03-12 20:31:08 -07002964 key_count = __le16_to_cpu(cp->key_count);
Johan Hedbergba1d6932014-07-03 13:52:27 +03002965 if (key_count > max_key_count) {
2966 BT_ERR("load_link_keys: too big key_count value %u",
2967 key_count);
Johan Hedberga69e8372015-03-06 21:08:53 +02002968 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2969 MGMT_STATUS_INVALID_PARAMS);
Johan Hedbergba1d6932014-07-03 13:52:27 +03002970 }
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02002971
Johan Hedberg86742e12011-11-07 23:13:38 +02002972 expected_len = sizeof(*cp) + key_count *
2973 sizeof(struct mgmt_link_key_info);
Vinicius Costa Gomesa492cd52011-08-25 20:02:29 -03002974 if (expected_len != len) {
Johan Hedberg86742e12011-11-07 23:13:38 +02002975 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
Johan Hedberg2606ecb2014-03-07 15:04:13 +02002976 expected_len, len);
Johan Hedberga69e8372015-03-06 21:08:53 +02002977 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2978 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02002979 }
2980
Johan Hedberg4ae14302013-01-20 14:27:13 +02002981 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02002982 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2983 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg4ae14302013-01-20 14:27:13 +02002984
Johan Hedbergbdb6d972012-02-28 06:13:32 +02002985 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
Gustavo Padovan8ce8e2b2012-05-17 00:36:20 -03002986 key_count);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02002987
Johan Hedberg4ee71b22013-01-20 14:27:19 +02002988 for (i = 0; i < key_count; i++) {
2989 struct mgmt_link_key_info *key = &cp->keys[i];
2990
Marcel Holtmann8e991132014-01-10 02:07:25 -08002991 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
Johan Hedberga69e8372015-03-06 21:08:53 +02002992 return mgmt_cmd_status(sk, hdev->id,
2993 MGMT_OP_LOAD_LINK_KEYS,
2994 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg4ee71b22013-01-20 14:27:19 +02002995 }
2996
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03002997 hci_dev_lock(hdev);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02002998
2999 hci_link_keys_clear(hdev);
3000
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003001 if (cp->debug_keys)
Marcel Holtmann238be782015-03-13 02:11:06 -07003002 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003003 else
Marcel Holtmanna69d8922015-03-13 02:11:05 -07003004 changed = hci_dev_test_and_clear_flag(hdev,
3005 HCI_KEEP_DEBUG_KEYS);
Marcel Holtmannb1de97d2014-01-31 11:55:21 -08003006
3007 if (changed)
3008 new_settings(hdev, NULL);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003009
Vinicius Costa Gomesa492cd52011-08-25 20:02:29 -03003010 for (i = 0; i < key_count; i++) {
Johan Hedberg86742e12011-11-07 23:13:38 +02003011 struct mgmt_link_key_info *key = &cp->keys[i];
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003012
Johan Hedberg58e92932014-06-24 14:00:26 +03003013 /* Always ignore debug keys and require a new pairing if
3014 * the user wants to use them.
3015 */
3016 if (key->type == HCI_LK_DEBUG_COMBINATION)
3017 continue;
3018
Johan Hedberg7652ff62014-06-24 13:15:49 +03003019 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
3020 key->type, key->pin_len, NULL);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003021 }
3022
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003023 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
Johan Hedberg0e5f8752011-11-11 16:18:54 +02003024
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003025 hci_dev_unlock(hdev);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003026
Vinicius Costa Gomesa492cd52011-08-25 20:02:29 -03003027 return 0;
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003028}
3029
Johan Hedbergb1078ad2012-02-09 17:21:16 +02003030static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003031 u8 addr_type, struct sock *skip_sk)
Johan Hedbergb1078ad2012-02-09 17:21:16 +02003032{
3033 struct mgmt_ev_device_unpaired ev;
3034
3035 bacpy(&ev.addr.bdaddr, bdaddr);
3036 ev.addr.type = addr_type;
3037
3038 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003039 skip_sk);
Johan Hedbergb1078ad2012-02-09 17:21:16 +02003040}
3041
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003042static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003043 u16 len)
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003044{
Johan Hedberg124f6e32012-02-09 13:50:12 +02003045 struct mgmt_cp_unpair_device *cp = data;
3046 struct mgmt_rp_unpair_device rp;
Johan Hedberga8a1d192011-11-10 15:54:38 +02003047 struct hci_cp_disconnect dc;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003048 struct mgmt_pending_cmd *cmd;
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003049 struct hci_conn *conn;
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003050 int err;
3051
Johan Hedberga8a1d192011-11-10 15:54:38 +02003052 memset(&rp, 0, sizeof(rp));
Johan Hedberg124f6e32012-02-09 13:50:12 +02003053 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3054 rp.addr.type = cp->addr.type;
Johan Hedberga8a1d192011-11-10 15:54:38 +02003055
Johan Hedberg4ee71b22013-01-20 14:27:19 +02003056 if (!bdaddr_type_is_valid(cp->addr.type))
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003057 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3058 MGMT_STATUS_INVALID_PARAMS,
3059 &rp, sizeof(rp));
Johan Hedberg4ee71b22013-01-20 14:27:19 +02003060
Johan Hedberg118da702013-01-20 14:27:20 +02003061 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003062 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3063 MGMT_STATUS_INVALID_PARAMS,
3064 &rp, sizeof(rp));
Johan Hedberg118da702013-01-20 14:27:20 +02003065
Johan Hedberg4ee71b22013-01-20 14:27:19 +02003066 hci_dev_lock(hdev);
3067
Johan Hedberg86a8cfc2012-02-22 22:53:34 +02003068 if (!hdev_is_powered(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003069 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3070 MGMT_STATUS_NOT_POWERED, &rp,
3071 sizeof(rp));
Johan Hedberg86a8cfc2012-02-22 22:53:34 +02003072 goto unlock;
3073 }
3074
Johan Hedberge0b2b272014-02-18 17:14:31 +02003075 if (cp->addr.type == BDADDR_BREDR) {
Alfonso Acosta89cbb062014-10-11 21:44:47 +00003076 /* If disconnection is requested, then look up the
3077 * connection. If the remote device is connected, it
3078 * will be later used to terminate the link.
3079 *
3080 * Setting it to NULL explicitly will cause no
3081 * termination of the link.
3082 */
3083 if (cp->disconnect)
3084 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3085 &cp->addr.bdaddr);
3086 else
3087 conn = NULL;
3088
Johan Hedberg124f6e32012-02-09 13:50:12 +02003089 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
Johan Hedberge0b2b272014-02-18 17:14:31 +02003090 } else {
3091 u8 addr_type;
3092
Alfonso Acosta89cbb062014-10-11 21:44:47 +00003093 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
3094 &cp->addr.bdaddr);
3095 if (conn) {
3096 /* Defer clearing up the connection parameters
3097 * until closing to give a chance of keeping
3098 * them if a repairing happens.
3099 */
3100 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
3101
3102 /* If disconnection is not requested, then
3103 * clear the connection variable so that the
3104 * link is not terminated.
3105 */
3106 if (!cp->disconnect)
3107 conn = NULL;
3108 }
3109
Johan Hedberge0b2b272014-02-18 17:14:31 +02003110 if (cp->addr.type == BDADDR_LE_PUBLIC)
3111 addr_type = ADDR_LE_DEV_PUBLIC;
3112 else
3113 addr_type = ADDR_LE_DEV_RANDOM;
3114
Johan Hedberga7ec7332014-02-18 17:14:35 +02003115 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
3116
Johan Hedberge0b2b272014-02-18 17:14:31 +02003117 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
3118 }
Vinicius Costa Gomesb0dbfb42012-02-02 21:08:03 -03003119
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003120 if (err < 0) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003121 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3122 MGMT_STATUS_NOT_PAIRED, &rp,
3123 sizeof(rp));
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003124 goto unlock;
3125 }
3126
Alfonso Acosta89cbb062014-10-11 21:44:47 +00003127 /* If the connection variable is set, then termination of the
3128 * link is requested.
3129 */
Johan Hedberga8a1d192011-11-10 15:54:38 +02003130 if (!conn) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003131 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
3132 &rp, sizeof(rp));
Johan Hedbergb1078ad2012-02-09 17:21:16 +02003133 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
Johan Hedberga8a1d192011-11-10 15:54:38 +02003134 goto unlock;
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003135 }
3136
Johan Hedberg124f6e32012-02-09 13:50:12 +02003137 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003138 sizeof(*cp));
Johan Hedberga8a1d192011-11-10 15:54:38 +02003139 if (!cmd) {
3140 err = -ENOMEM;
3141 goto unlock;
3142 }
3143
Johan Hedbergd8b7b1e2014-12-05 13:36:05 +02003144 cmd->cmd_complete = addr_cmd_complete;
3145
Marcel Holtmanneb55ef02012-03-14 18:08:46 +02003146 dc.handle = cpu_to_le16(conn->handle);
Johan Hedberga8a1d192011-11-10 15:54:38 +02003147 dc.reason = 0x13; /* Remote User Terminated Connection */
3148 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
3149 if (err < 0)
3150 mgmt_pending_remove(cmd);
3151
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003152unlock:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003153 hci_dev_unlock(hdev);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02003154 return err;
3155}
3156
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003157static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003158 u16 len)
Johan Hedberg8962ee72011-01-20 12:40:27 +02003159{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03003160 struct mgmt_cp_disconnect *cp = data;
Johan Hedberg06a63b12013-01-20 14:27:21 +02003161 struct mgmt_rp_disconnect rp;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003162 struct mgmt_pending_cmd *cmd;
Johan Hedberg8962ee72011-01-20 12:40:27 +02003163 struct hci_conn *conn;
Johan Hedberg8962ee72011-01-20 12:40:27 +02003164 int err;
3165
3166 BT_DBG("");
3167
Johan Hedberg06a63b12013-01-20 14:27:21 +02003168 memset(&rp, 0, sizeof(rp));
3169 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3170 rp.addr.type = cp->addr.type;
3171
Johan Hedberg4ee71b22013-01-20 14:27:19 +02003172 if (!bdaddr_type_is_valid(cp->addr.type))
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003173 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3174 MGMT_STATUS_INVALID_PARAMS,
3175 &rp, sizeof(rp));
Johan Hedberg4ee71b22013-01-20 14:27:19 +02003176
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003177 hci_dev_lock(hdev);
Johan Hedberg8962ee72011-01-20 12:40:27 +02003178
3179 if (!test_bit(HCI_UP, &hdev->flags)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003180 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3181 MGMT_STATUS_NOT_POWERED, &rp,
3182 sizeof(rp));
Johan Hedberg8962ee72011-01-20 12:40:27 +02003183 goto failed;
3184 }
3185
Johan Hedberg333ae952015-03-17 13:48:47 +02003186 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003187 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3188 MGMT_STATUS_BUSY, &rp, sizeof(rp));
Johan Hedberg8962ee72011-01-20 12:40:27 +02003189 goto failed;
3190 }
3191
Andre Guedes591f47f2012-04-24 21:02:49 -03003192 if (cp->addr.type == BDADDR_BREDR)
Gustavo Padovan8fc9ced2012-05-23 04:04:21 -03003193 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3194 &cp->addr.bdaddr);
Johan Hedberg88c3df12012-02-09 14:27:38 +02003195 else
3196 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
Vinicius Costa Gomes365227e2011-05-06 18:41:44 -03003197
Vishal Agarwalf9607272012-06-13 05:32:43 +05303198 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003199 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3200 MGMT_STATUS_NOT_CONNECTED, &rp,
3201 sizeof(rp));
Johan Hedberg8962ee72011-01-20 12:40:27 +02003202 goto failed;
3203 }
3204
Johan Hedberg2e58ef32011-11-08 20:40:15 +02003205 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
Johan Hedberg366a0332011-02-19 12:05:55 -03003206 if (!cmd) {
3207 err = -ENOMEM;
Johan Hedberg8962ee72011-01-20 12:40:27 +02003208 goto failed;
Johan Hedberg366a0332011-02-19 12:05:55 -03003209 }
Johan Hedberg8962ee72011-01-20 12:40:27 +02003210
Johan Hedbergf5818c22014-12-05 13:36:02 +02003211 cmd->cmd_complete = generic_cmd_complete;
3212
Johan Hedberge3f2f922014-08-18 20:33:33 +03003213 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
Johan Hedberg8962ee72011-01-20 12:40:27 +02003214 if (err < 0)
Johan Hedberga664b5b2011-02-19 12:06:02 -03003215 mgmt_pending_remove(cmd);
Johan Hedberg8962ee72011-01-20 12:40:27 +02003216
3217failed:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003218 hci_dev_unlock(hdev);
Johan Hedberg8962ee72011-01-20 12:40:27 +02003219 return err;
3220}
3221
Andre Guedes57c14772012-04-24 21:02:50 -03003222static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
Johan Hedberg4c659c32011-11-07 23:13:39 +02003223{
3224 switch (link_type) {
3225 case LE_LINK:
Johan Hedberg48264f02011-11-09 13:58:58 +02003226 switch (addr_type) {
3227 case ADDR_LE_DEV_PUBLIC:
Andre Guedes591f47f2012-04-24 21:02:49 -03003228 return BDADDR_LE_PUBLIC;
Andre Guedes0ed09142012-04-03 08:46:54 -03003229
Johan Hedberg48264f02011-11-09 13:58:58 +02003230 default:
Andre Guedes0ed09142012-04-03 08:46:54 -03003231 /* Fallback to LE Random address type */
Andre Guedes591f47f2012-04-24 21:02:49 -03003232 return BDADDR_LE_RANDOM;
Johan Hedberg48264f02011-11-09 13:58:58 +02003233 }
Andre Guedes0ed09142012-04-03 08:46:54 -03003234
Johan Hedberg4c659c32011-11-07 23:13:39 +02003235 default:
Andre Guedes0ed09142012-04-03 08:46:54 -03003236 /* Fallback to BR/EDR type */
Andre Guedes591f47f2012-04-24 21:02:49 -03003237 return BDADDR_BREDR;
Johan Hedberg4c659c32011-11-07 23:13:39 +02003238 }
3239}
3240
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003241static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
3242 u16 data_len)
Johan Hedberg2784eb42011-01-21 13:56:35 +02003243{
Johan Hedberg2784eb42011-01-21 13:56:35 +02003244 struct mgmt_rp_get_connections *rp;
Luiz Augusto von Dentz8035ded2011-11-01 10:58:56 +02003245 struct hci_conn *c;
Johan Hedberga38528f2011-01-22 06:46:43 +02003246 size_t rp_len;
Johan Hedberg60fc5fb62012-02-23 09:52:28 +02003247 int err;
3248 u16 i;
Johan Hedberg2784eb42011-01-21 13:56:35 +02003249
3250 BT_DBG("");
3251
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003252 hci_dev_lock(hdev);
Johan Hedberg2784eb42011-01-21 13:56:35 +02003253
Johan Hedberg5f97c1d2012-02-22 22:41:18 +02003254 if (!hdev_is_powered(hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02003255 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
3256 MGMT_STATUS_NOT_POWERED);
Johan Hedberg5f97c1d2012-02-22 22:41:18 +02003257 goto unlock;
3258 }
3259
Johan Hedberg60fc5fb62012-02-23 09:52:28 +02003260 i = 0;
Johan Hedbergb644ba32012-01-17 21:48:47 +02003261 list_for_each_entry(c, &hdev->conn_hash.list, list) {
3262 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
Johan Hedberg60fc5fb62012-02-23 09:52:28 +02003263 i++;
Johan Hedberg2784eb42011-01-21 13:56:35 +02003264 }
3265
Johan Hedberg60fc5fb62012-02-23 09:52:28 +02003266 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
Andre Guedes92c4c202012-06-07 19:05:44 -03003267 rp = kmalloc(rp_len, GFP_KERNEL);
Johan Hedberga38528f2011-01-22 06:46:43 +02003268 if (!rp) {
Johan Hedberg2784eb42011-01-21 13:56:35 +02003269 err = -ENOMEM;
3270 goto unlock;
3271 }
3272
Johan Hedberg2784eb42011-01-21 13:56:35 +02003273 i = 0;
Johan Hedberg4c659c32011-11-07 23:13:39 +02003274 list_for_each_entry(c, &hdev->conn_hash.list, list) {
Johan Hedbergb644ba32012-01-17 21:48:47 +02003275 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
3276 continue;
Johan Hedberg4c659c32011-11-07 23:13:39 +02003277 bacpy(&rp->addr[i].bdaddr, &c->dst);
Andre Guedes57c14772012-04-24 21:02:50 -03003278 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
Andre Guedes0ed09142012-04-03 08:46:54 -03003279 if (c->type == SCO_LINK || c->type == ESCO_LINK)
Johan Hedberg4c659c32011-11-07 23:13:39 +02003280 continue;
3281 i++;
3282 }
3283
Marcel Holtmanneb55ef02012-03-14 18:08:46 +02003284 rp->conn_count = cpu_to_le16(i);
Johan Hedberg60fc5fb62012-02-23 09:52:28 +02003285
Johan Hedberg4c659c32011-11-07 23:13:39 +02003286 /* Recalculate length in case of filtered SCO connections, etc */
3287 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
Johan Hedberg2784eb42011-01-21 13:56:35 +02003288
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003289 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
3290 rp_len);
Johan Hedberg2784eb42011-01-21 13:56:35 +02003291
Johan Hedberga38528f2011-01-22 06:46:43 +02003292 kfree(rp);
Johan Hedberg5f97c1d2012-02-22 22:41:18 +02003293
3294unlock:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003295 hci_dev_unlock(hdev);
Johan Hedberg2784eb42011-01-21 13:56:35 +02003296 return err;
3297}
3298
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003299static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003300 struct mgmt_cp_pin_code_neg_reply *cp)
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003301{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003302 struct mgmt_pending_cmd *cmd;
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003303 int err;
3304
Johan Hedberg2e58ef32011-11-08 20:40:15 +02003305 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003306 sizeof(*cp));
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003307 if (!cmd)
3308 return -ENOMEM;
3309
Johan Hedbergd8457692012-02-17 14:24:57 +02003310 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003311 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003312 if (err < 0)
3313 mgmt_pending_remove(cmd);
3314
3315 return err;
3316}
3317
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003318static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003319 u16 len)
Johan Hedberg980e1a52011-01-22 06:10:07 +02003320{
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003321 struct hci_conn *conn;
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03003322 struct mgmt_cp_pin_code_reply *cp = data;
Johan Hedberg980e1a52011-01-22 06:10:07 +02003323 struct hci_cp_pin_code_reply reply;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003324 struct mgmt_pending_cmd *cmd;
Johan Hedberg980e1a52011-01-22 06:10:07 +02003325 int err;
3326
3327 BT_DBG("");
3328
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003329 hci_dev_lock(hdev);
Johan Hedberg980e1a52011-01-22 06:10:07 +02003330
Johan Hedberg4b34ee782012-02-21 14:13:02 +02003331 if (!hdev_is_powered(hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02003332 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3333 MGMT_STATUS_NOT_POWERED);
Johan Hedberg980e1a52011-01-22 06:10:07 +02003334 goto failed;
3335 }
3336
Johan Hedbergd8457692012-02-17 14:24:57 +02003337 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003338 if (!conn) {
Johan Hedberga69e8372015-03-06 21:08:53 +02003339 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3340 MGMT_STATUS_NOT_CONNECTED);
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003341 goto failed;
3342 }
3343
3344 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
Johan Hedbergd8457692012-02-17 14:24:57 +02003345 struct mgmt_cp_pin_code_neg_reply ncp;
3346
3347 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003348
3349 BT_ERR("PIN code is not 16 bytes long");
3350
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003351 err = send_pin_code_neg_reply(sk, hdev, &ncp);
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003352 if (err >= 0)
Johan Hedberga69e8372015-03-06 21:08:53 +02003353 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3354 MGMT_STATUS_INVALID_PARAMS);
Waldemar Rymarkiewicz96d97a62011-06-01 17:28:48 +02003355
3356 goto failed;
3357 }
3358
Gustavo F. Padovan00abfe42012-03-01 00:37:10 -03003359 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
Johan Hedberg366a0332011-02-19 12:05:55 -03003360 if (!cmd) {
3361 err = -ENOMEM;
Johan Hedberg980e1a52011-01-22 06:10:07 +02003362 goto failed;
Johan Hedberg366a0332011-02-19 12:05:55 -03003363 }
Johan Hedberg980e1a52011-01-22 06:10:07 +02003364
Johan Hedberg7776d1d2014-12-05 13:36:03 +02003365 cmd->cmd_complete = addr_cmd_complete;
3366
Johan Hedbergd8457692012-02-17 14:24:57 +02003367 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
Johan Hedberg980e1a52011-01-22 06:10:07 +02003368 reply.pin_len = cp->pin_len;
Waldemar Rymarkiewicz24718ca2011-06-01 17:28:47 +02003369 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
Johan Hedberg980e1a52011-01-22 06:10:07 +02003370
3371 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
3372 if (err < 0)
Johan Hedberga664b5b2011-02-19 12:06:02 -03003373 mgmt_pending_remove(cmd);
Johan Hedberg980e1a52011-01-22 06:10:07 +02003374
3375failed:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003376 hci_dev_unlock(hdev);
Johan Hedberg980e1a52011-01-22 06:10:07 +02003377 return err;
3378}
3379
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003380static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3381 u16 len)
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003382{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03003383 struct mgmt_cp_set_io_capability *cp = data;
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003384
3385 BT_DBG("");
3386
Johan Hedberg4ec86d42014-06-17 15:14:48 +03003387 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003388 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3389 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
Johan Hedberg4ec86d42014-06-17 15:14:48 +03003390
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003391 hci_dev_lock(hdev);
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003392
3393 hdev->io_capability = cp->io_capability;
3394
3395 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
Gustavo Padovan8ce8e2b2012-05-17 00:36:20 -03003396 hdev->io_capability);
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003397
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003398 hci_dev_unlock(hdev);
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003399
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003400 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
3401 NULL, 0);
Johan Hedberg17fa4b92011-01-25 13:28:33 +02003402}
3403
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003404static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
Johan Hedberge9a416b2011-02-19 12:05:56 -03003405{
3406 struct hci_dev *hdev = conn->hdev;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003407 struct mgmt_pending_cmd *cmd;
Johan Hedberge9a416b2011-02-19 12:05:56 -03003408
Johan Hedberg2e58ef32011-11-08 20:40:15 +02003409 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
Johan Hedberge9a416b2011-02-19 12:05:56 -03003410 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3411 continue;
3412
Johan Hedberge9a416b2011-02-19 12:05:56 -03003413 if (cmd->user_data != conn)
3414 continue;
3415
3416 return cmd;
3417 }
3418
3419 return NULL;
3420}
3421
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003422static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
Johan Hedberge9a416b2011-02-19 12:05:56 -03003423{
3424 struct mgmt_rp_pair_device rp;
3425 struct hci_conn *conn = cmd->user_data;
Johan Hedberg9df74652014-12-19 22:26:03 +02003426 int err;
Johan Hedberge9a416b2011-02-19 12:05:56 -03003427
Johan Hedberg61b1a7f2014-03-20 12:54:16 +02003428 bacpy(&rp.addr.bdaddr, &conn->dst);
3429 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
Johan Hedberge9a416b2011-02-19 12:05:56 -03003430
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003431 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
3432 status, &rp, sizeof(rp));
Johan Hedberge9a416b2011-02-19 12:05:56 -03003433
3434 /* So we don't get further callbacks for this connection */
3435 conn->connect_cfm_cb = NULL;
3436 conn->security_cfm_cb = NULL;
3437 conn->disconn_cfm_cb = NULL;
3438
David Herrmann76a68ba2013-04-06 20:28:37 +02003439 hci_conn_drop(conn);
Alfonso Acosta89cbb062014-10-11 21:44:47 +00003440
3441 /* The device is paired so there is no need to remove
3442 * its connection parameters anymore.
3443 */
3444 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
Johan Hedberg15013ae2014-12-11 21:45:44 +02003445
3446 hci_conn_put(conn);
Johan Hedberg9df74652014-12-19 22:26:03 +02003447
3448 return err;
Johan Hedberge9a416b2011-02-19 12:05:56 -03003449}
3450
Johan Hedbergf4a407b2014-02-18 21:41:34 +02003451void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3452{
3453 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003454 struct mgmt_pending_cmd *cmd;
Johan Hedbergf4a407b2014-02-18 21:41:34 +02003455
3456 cmd = find_pairing(conn);
Johan Hedberga511b352014-12-11 21:45:45 +02003457 if (cmd) {
Johan Hedberg04ab2742014-12-05 13:36:04 +02003458 cmd->cmd_complete(cmd, status);
Johan Hedberga511b352014-12-11 21:45:45 +02003459 mgmt_pending_remove(cmd);
3460 }
Johan Hedbergf4a407b2014-02-18 21:41:34 +02003461}
3462
Johan Hedberge9a416b2011-02-19 12:05:56 -03003463static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3464{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003465 struct mgmt_pending_cmd *cmd;
Johan Hedberge9a416b2011-02-19 12:05:56 -03003466
3467 BT_DBG("status %u", status);
3468
Johan Hedberg56e5cb82011-11-08 20:40:16 +02003469 cmd = find_pairing(conn);
Johan Hedberga511b352014-12-11 21:45:45 +02003470 if (!cmd) {
Johan Hedberg56e5cb82011-11-08 20:40:16 +02003471 BT_DBG("Unable to find a pending command");
Johan Hedberga511b352014-12-11 21:45:45 +02003472 return;
3473 }
3474
3475 cmd->cmd_complete(cmd, mgmt_status(status));
3476 mgmt_pending_remove(cmd);
Johan Hedberge9a416b2011-02-19 12:05:56 -03003477}
3478
Johan Hedbergf4a407b2014-02-18 21:41:34 +02003479static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
Vishal Agarwal4c47d732012-06-07 20:27:35 +05303480{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003481 struct mgmt_pending_cmd *cmd;
Vishal Agarwal4c47d732012-06-07 20:27:35 +05303482
3483 BT_DBG("status %u", status);
3484
3485 if (!status)
3486 return;
3487
3488 cmd = find_pairing(conn);
Johan Hedberga511b352014-12-11 21:45:45 +02003489 if (!cmd) {
Vishal Agarwal4c47d732012-06-07 20:27:35 +05303490 BT_DBG("Unable to find a pending command");
Johan Hedberga511b352014-12-11 21:45:45 +02003491 return;
3492 }
3493
3494 cmd->cmd_complete(cmd, mgmt_status(status));
3495 mgmt_pending_remove(cmd);
Vishal Agarwal4c47d732012-06-07 20:27:35 +05303496}
3497
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003498static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003499 u16 len)
Johan Hedberge9a416b2011-02-19 12:05:56 -03003500{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03003501 struct mgmt_cp_pair_device *cp = data;
Johan Hedberg1425acb2011-11-11 00:07:35 +02003502 struct mgmt_rp_pair_device rp;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003503 struct mgmt_pending_cmd *cmd;
Johan Hedberge9a416b2011-02-19 12:05:56 -03003504 u8 sec_level, auth_type;
3505 struct hci_conn *conn;
Johan Hedberge9a416b2011-02-19 12:05:56 -03003506 int err;
3507
3508 BT_DBG("");
3509
Szymon Jancf950a30e2013-01-18 12:48:07 +01003510 memset(&rp, 0, sizeof(rp));
3511 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3512 rp.addr.type = cp->addr.type;
3513
Johan Hedberg4ee71b22013-01-20 14:27:19 +02003514 if (!bdaddr_type_is_valid(cp->addr.type))
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003515 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3516 MGMT_STATUS_INVALID_PARAMS,
3517 &rp, sizeof(rp));
Johan Hedberg4ee71b22013-01-20 14:27:19 +02003518
Johan Hedberg4ec86d42014-06-17 15:14:48 +03003519 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003520 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3521 MGMT_STATUS_INVALID_PARAMS,
3522 &rp, sizeof(rp));
Johan Hedberg4ec86d42014-06-17 15:14:48 +03003523
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003524 hci_dev_lock(hdev);
Johan Hedberge9a416b2011-02-19 12:05:56 -03003525
Johan Hedberg5f97c1d2012-02-22 22:41:18 +02003526 if (!hdev_is_powered(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003527 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3528 MGMT_STATUS_NOT_POWERED, &rp,
3529 sizeof(rp));
Johan Hedberg5f97c1d2012-02-22 22:41:18 +02003530 goto unlock;
3531 }
3532
Johan Hedberg55e76b32015-03-10 22:34:40 +02003533 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
3534 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3535 MGMT_STATUS_ALREADY_PAIRED, &rp,
3536 sizeof(rp));
3537 goto unlock;
3538 }
3539
Vinicius Costa Gomesc908df32011-09-02 14:51:22 -03003540 sec_level = BT_SECURITY_MEDIUM;
Mikel Astiz6fd6b912014-04-08 14:21:32 +02003541 auth_type = HCI_AT_DEDICATED_BONDING;
Johan Hedberge9a416b2011-02-19 12:05:56 -03003542
Andre Guedes6f77d8c2014-02-26 20:21:45 -03003543 if (cp->addr.type == BDADDR_BREDR) {
Andre Guedes04a6c582014-02-26 20:21:44 -03003544 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3545 auth_type);
Andre Guedes6f77d8c2014-02-26 20:21:45 -03003546 } else {
3547 u8 addr_type;
3548
3549 /* Convert from L2CAP channel address type to HCI address type
3550 */
3551 if (cp->addr.type == BDADDR_LE_PUBLIC)
3552 addr_type = ADDR_LE_DEV_PUBLIC;
3553 else
3554 addr_type = ADDR_LE_DEV_RANDOM;
3555
Marcel Holtmann7c264b12014-06-30 12:34:40 +02003556 /* When pairing a new device, it is expected to remember
3557 * this device for future connections. Adding the connection
3558 * parameter information ahead of time allows tracking
3559 * of the slave preferred values and will speed up any
3560 * further connection establishment.
3561 *
3562 * If connection parameters already exist, then they
3563 * will be kept and this function does nothing.
3564 */
3565 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3566
Andre Guedes6f77d8c2014-02-26 20:21:45 -03003567 conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
Johan Hedberge804d252014-07-16 11:42:28 +03003568 sec_level, HCI_LE_CONN_TIMEOUT,
3569 HCI_ROLE_MASTER);
Andre Guedes6f77d8c2014-02-26 20:21:45 -03003570 }
Vinicius Costa Gomes7a512d02011-08-19 21:06:54 -03003571
Ville Tervo30e76272011-02-22 16:10:53 -03003572 if (IS_ERR(conn)) {
Andrzej Kaczmarek489dc482012-05-30 15:39:22 +02003573 int status;
3574
3575 if (PTR_ERR(conn) == -EBUSY)
3576 status = MGMT_STATUS_BUSY;
Lukasz Rymanowskifaa81032015-02-11 12:31:42 +01003577 else if (PTR_ERR(conn) == -EOPNOTSUPP)
3578 status = MGMT_STATUS_NOT_SUPPORTED;
3579 else if (PTR_ERR(conn) == -ECONNREFUSED)
3580 status = MGMT_STATUS_REJECTED;
Andrzej Kaczmarek489dc482012-05-30 15:39:22 +02003581 else
3582 status = MGMT_STATUS_CONNECT_FAILED;
3583
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003584 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3585 status, &rp, sizeof(rp));
Johan Hedberge9a416b2011-02-19 12:05:56 -03003586 goto unlock;
3587 }
3588
3589 if (conn->connect_cfm_cb) {
David Herrmann76a68ba2013-04-06 20:28:37 +02003590 hci_conn_drop(conn);
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003591 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3592 MGMT_STATUS_BUSY, &rp, sizeof(rp));
Johan Hedberge9a416b2011-02-19 12:05:56 -03003593 goto unlock;
3594 }
3595
Johan Hedberg2e58ef32011-11-08 20:40:15 +02003596 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
Johan Hedberge9a416b2011-02-19 12:05:56 -03003597 if (!cmd) {
3598 err = -ENOMEM;
David Herrmann76a68ba2013-04-06 20:28:37 +02003599 hci_conn_drop(conn);
Johan Hedberge9a416b2011-02-19 12:05:56 -03003600 goto unlock;
3601 }
3602
Johan Hedberg04ab2742014-12-05 13:36:04 +02003603 cmd->cmd_complete = pairing_complete;
3604
Vinicius Costa Gomes7a512d02011-08-19 21:06:54 -03003605 /* For LE, just connecting isn't a proof that the pairing finished */
Johan Hedbergf4a407b2014-02-18 21:41:34 +02003606 if (cp->addr.type == BDADDR_BREDR) {
Vinicius Costa Gomes7a512d02011-08-19 21:06:54 -03003607 conn->connect_cfm_cb = pairing_complete_cb;
Johan Hedbergf4a407b2014-02-18 21:41:34 +02003608 conn->security_cfm_cb = pairing_complete_cb;
3609 conn->disconn_cfm_cb = pairing_complete_cb;
3610 } else {
3611 conn->connect_cfm_cb = le_pairing_complete_cb;
3612 conn->security_cfm_cb = le_pairing_complete_cb;
3613 conn->disconn_cfm_cb = le_pairing_complete_cb;
3614 }
Vinicius Costa Gomes7a512d02011-08-19 21:06:54 -03003615
Johan Hedberge9a416b2011-02-19 12:05:56 -03003616 conn->io_capability = cp->io_cap;
Johan Hedbergf8aaf9b2014-08-17 23:28:57 +03003617 cmd->user_data = hci_conn_get(conn);
Johan Hedberge9a416b2011-02-19 12:05:56 -03003618
Johan Hedberg6f78fd42014-07-30 08:35:48 +03003619 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
Johan Hedberga511b352014-12-11 21:45:45 +02003620 hci_conn_security(conn, sec_level, auth_type, true)) {
3621 cmd->cmd_complete(cmd, 0);
3622 mgmt_pending_remove(cmd);
3623 }
Johan Hedberge9a416b2011-02-19 12:05:56 -03003624
3625 err = 0;
3626
3627unlock:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003628 hci_dev_unlock(hdev);
Johan Hedberge9a416b2011-02-19 12:05:56 -03003629 return err;
3630}
3631
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003632static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3633 u16 len)
Johan Hedberg28424702012-02-02 04:02:29 +02003634{
Johan Hedberg0f4e68c2012-02-28 17:18:30 +02003635 struct mgmt_addr_info *addr = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003636 struct mgmt_pending_cmd *cmd;
Johan Hedberg28424702012-02-02 04:02:29 +02003637 struct hci_conn *conn;
3638 int err;
3639
3640 BT_DBG("");
3641
Johan Hedberg28424702012-02-02 04:02:29 +02003642 hci_dev_lock(hdev);
3643
Johan Hedberg5f97c1d2012-02-22 22:41:18 +02003644 if (!hdev_is_powered(hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02003645 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3646 MGMT_STATUS_NOT_POWERED);
Johan Hedberg5f97c1d2012-02-22 22:41:18 +02003647 goto unlock;
3648 }
3649
Johan Hedberg333ae952015-03-17 13:48:47 +02003650 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
Johan Hedberg28424702012-02-02 04:02:29 +02003651 if (!cmd) {
Johan Hedberga69e8372015-03-06 21:08:53 +02003652 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3653 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg28424702012-02-02 04:02:29 +02003654 goto unlock;
3655 }
3656
3657 conn = cmd->user_data;
3658
3659 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
Johan Hedberga69e8372015-03-06 21:08:53 +02003660 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3661 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg28424702012-02-02 04:02:29 +02003662 goto unlock;
3663 }
3664
Johan Hedberga511b352014-12-11 21:45:45 +02003665 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
3666 mgmt_pending_remove(cmd);
Johan Hedberg28424702012-02-02 04:02:29 +02003667
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003668 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
3669 addr, sizeof(*addr));
Johan Hedberg28424702012-02-02 04:02:29 +02003670unlock:
3671 hci_dev_unlock(hdev);
Johan Hedberg28424702012-02-02 04:02:29 +02003672 return err;
3673}
3674
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003675static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
Johan Hedberg1707c602013-03-15 17:07:15 -05003676 struct mgmt_addr_info *addr, u16 mgmt_op,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003677 u16 hci_op, __le32 passkey)
Johan Hedberga5c29682011-02-19 12:05:57 -03003678{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003679 struct mgmt_pending_cmd *cmd;
Brian Gix0df4c182011-11-16 13:53:13 -08003680 struct hci_conn *conn;
Johan Hedberga5c29682011-02-19 12:05:57 -03003681 int err;
3682
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003683 hci_dev_lock(hdev);
Johan Hedberg08ba5382011-03-16 14:29:34 +02003684
Johan Hedberg4b34ee782012-02-21 14:13:02 +02003685 if (!hdev_is_powered(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003686 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3687 MGMT_STATUS_NOT_POWERED, addr,
3688 sizeof(*addr));
Brian Gix0df4c182011-11-16 13:53:13 -08003689 goto done;
Johan Hedberga5c29682011-02-19 12:05:57 -03003690 }
3691
Johan Hedberg1707c602013-03-15 17:07:15 -05003692 if (addr->type == BDADDR_BREDR)
3693 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
Johan Hedberg272d90d2012-02-09 15:26:12 +02003694 else
Johan Hedberg1707c602013-03-15 17:07:15 -05003695 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
Brian Gix47c15e22011-11-16 13:53:14 -08003696
Johan Hedberg272d90d2012-02-09 15:26:12 +02003697 if (!conn) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003698 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3699 MGMT_STATUS_NOT_CONNECTED, addr,
3700 sizeof(*addr));
Johan Hedberg272d90d2012-02-09 15:26:12 +02003701 goto done;
3702 }
3703
Johan Hedberg1707c602013-03-15 17:07:15 -05003704 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
Brian Gix5fe57d92011-12-21 16:12:13 -08003705 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
Brian Gix5fe57d92011-12-21 16:12:13 -08003706 if (!err)
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003707 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3708 MGMT_STATUS_SUCCESS, addr,
3709 sizeof(*addr));
Brian Gix5fe57d92011-12-21 16:12:13 -08003710 else
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003711 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3712 MGMT_STATUS_FAILED, addr,
3713 sizeof(*addr));
Brian Gix5fe57d92011-12-21 16:12:13 -08003714
Brian Gix47c15e22011-11-16 13:53:14 -08003715 goto done;
3716 }
3717
Johan Hedberg1707c602013-03-15 17:07:15 -05003718 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
Johan Hedberga5c29682011-02-19 12:05:57 -03003719 if (!cmd) {
3720 err = -ENOMEM;
Brian Gix0df4c182011-11-16 13:53:13 -08003721 goto done;
Johan Hedberga5c29682011-02-19 12:05:57 -03003722 }
3723
Johan Hedberg7776d1d2014-12-05 13:36:03 +02003724 cmd->cmd_complete = addr_cmd_complete;
3725
Brian Gix0df4c182011-11-16 13:53:13 -08003726 /* Continue with pairing via HCI */
Brian Gix604086b2011-11-23 08:28:33 -08003727 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3728 struct hci_cp_user_passkey_reply cp;
3729
Johan Hedberg1707c602013-03-15 17:07:15 -05003730 bacpy(&cp.bdaddr, &addr->bdaddr);
Brian Gix604086b2011-11-23 08:28:33 -08003731 cp.passkey = passkey;
3732 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3733 } else
Johan Hedberg1707c602013-03-15 17:07:15 -05003734 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3735 &addr->bdaddr);
Brian Gix604086b2011-11-23 08:28:33 -08003736
Johan Hedberga664b5b2011-02-19 12:06:02 -03003737 if (err < 0)
3738 mgmt_pending_remove(cmd);
Johan Hedberga5c29682011-02-19 12:05:57 -03003739
Brian Gix0df4c182011-11-16 13:53:13 -08003740done:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003741 hci_dev_unlock(hdev);
Johan Hedberga5c29682011-02-19 12:05:57 -03003742 return err;
3743}
3744
Jaganath Kanakkasseryafeb0192012-07-09 16:11:51 +05303745static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3746 void *data, u16 len)
3747{
3748 struct mgmt_cp_pin_code_neg_reply *cp = data;
3749
3750 BT_DBG("");
3751
Johan Hedberg1707c602013-03-15 17:07:15 -05003752 return user_pairing_resp(sk, hdev, &cp->addr,
Jaganath Kanakkasseryafeb0192012-07-09 16:11:51 +05303753 MGMT_OP_PIN_CODE_NEG_REPLY,
3754 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3755}
3756
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003757static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3758 u16 len)
Brian Gix0df4c182011-11-16 13:53:13 -08003759{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03003760 struct mgmt_cp_user_confirm_reply *cp = data;
Brian Gix0df4c182011-11-16 13:53:13 -08003761
3762 BT_DBG("");
3763
3764 if (len != sizeof(*cp))
Johan Hedberga69e8372015-03-06 21:08:53 +02003765 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
3766 MGMT_STATUS_INVALID_PARAMS);
Brian Gix0df4c182011-11-16 13:53:13 -08003767
Johan Hedberg1707c602013-03-15 17:07:15 -05003768 return user_pairing_resp(sk, hdev, &cp->addr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003769 MGMT_OP_USER_CONFIRM_REPLY,
3770 HCI_OP_USER_CONFIRM_REPLY, 0);
Brian Gix0df4c182011-11-16 13:53:13 -08003771}
3772
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003773static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003774 void *data, u16 len)
Brian Gix0df4c182011-11-16 13:53:13 -08003775{
Johan Hedbergc9c26592011-12-15 00:47:41 +02003776 struct mgmt_cp_user_confirm_neg_reply *cp = data;
Brian Gix0df4c182011-11-16 13:53:13 -08003777
3778 BT_DBG("");
3779
Johan Hedberg1707c602013-03-15 17:07:15 -05003780 return user_pairing_resp(sk, hdev, &cp->addr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003781 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3782 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
Brian Gix0df4c182011-11-16 13:53:13 -08003783}
3784
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003785static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3786 u16 len)
Brian Gix604086b2011-11-23 08:28:33 -08003787{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03003788 struct mgmt_cp_user_passkey_reply *cp = data;
Brian Gix604086b2011-11-23 08:28:33 -08003789
3790 BT_DBG("");
3791
Johan Hedberg1707c602013-03-15 17:07:15 -05003792 return user_pairing_resp(sk, hdev, &cp->addr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003793 MGMT_OP_USER_PASSKEY_REPLY,
3794 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
Brian Gix604086b2011-11-23 08:28:33 -08003795}
3796
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003797static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003798 void *data, u16 len)
Brian Gix604086b2011-11-23 08:28:33 -08003799{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03003800 struct mgmt_cp_user_passkey_neg_reply *cp = data;
Brian Gix604086b2011-11-23 08:28:33 -08003801
3802 BT_DBG("");
3803
Johan Hedberg1707c602013-03-15 17:07:15 -05003804 return user_pairing_resp(sk, hdev, &cp->addr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003805 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3806 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
Brian Gix604086b2011-11-23 08:28:33 -08003807}
3808
Johan Hedberg13928972013-03-15 17:07:00 -05003809static void update_name(struct hci_request *req)
Johan Hedberg2b4bf392012-03-03 00:19:06 +02003810{
Johan Hedberg13928972013-03-15 17:07:00 -05003811 struct hci_dev *hdev = req->hdev;
Johan Hedberg2b4bf392012-03-03 00:19:06 +02003812 struct hci_cp_write_local_name cp;
3813
Johan Hedberg13928972013-03-15 17:07:00 -05003814 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
Johan Hedberg2b4bf392012-03-03 00:19:06 +02003815
Johan Hedberg890ea892013-03-15 17:06:52 -05003816 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
Johan Hedberg2b4bf392012-03-03 00:19:06 +02003817}
3818
Marcel Holtmann1904a852015-01-11 13:50:44 -08003819static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg13928972013-03-15 17:07:00 -05003820{
3821 struct mgmt_cp_set_local_name *cp;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003822 struct mgmt_pending_cmd *cmd;
Johan Hedberg13928972013-03-15 17:07:00 -05003823
3824 BT_DBG("status 0x%02x", status);
3825
3826 hci_dev_lock(hdev);
3827
Johan Hedberg333ae952015-03-17 13:48:47 +02003828 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
Johan Hedberg13928972013-03-15 17:07:00 -05003829 if (!cmd)
3830 goto unlock;
3831
3832 cp = cmd->param;
3833
3834 if (status)
Johan Hedberga69e8372015-03-06 21:08:53 +02003835 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3836 mgmt_status(status));
Johan Hedberg13928972013-03-15 17:07:00 -05003837 else
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003838 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3839 cp, sizeof(*cp));
Johan Hedberg13928972013-03-15 17:07:00 -05003840
3841 mgmt_pending_remove(cmd);
3842
3843unlock:
3844 hci_dev_unlock(hdev);
3845}
3846
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003847static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003848 u16 len)
Johan Hedbergb312b1612011-03-16 14:29:37 +02003849{
Johan Hedberg2b4bf392012-03-03 00:19:06 +02003850 struct mgmt_cp_set_local_name *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003851 struct mgmt_pending_cmd *cmd;
Johan Hedberg890ea892013-03-15 17:06:52 -05003852 struct hci_request req;
Johan Hedbergb312b1612011-03-16 14:29:37 +02003853 int err;
3854
3855 BT_DBG("");
3856
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003857 hci_dev_lock(hdev);
Johan Hedbergb312b1612011-03-16 14:29:37 +02003858
Johan Hedbergb3f2ca92013-03-15 17:07:03 -05003859 /* If the old values are the same as the new ones just return a
3860 * direct command complete event.
3861 */
3862 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3863 !memcmp(hdev->short_name, cp->short_name,
3864 sizeof(hdev->short_name))) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003865 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3866 data, len);
Johan Hedbergb3f2ca92013-03-15 17:07:03 -05003867 goto failed;
3868 }
3869
Johan Hedberg2b4bf392012-03-03 00:19:06 +02003870 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
Johan Hedberg28cc7bd2012-02-22 21:06:55 +02003871
Johan Hedbergb5235a62012-02-21 14:32:24 +02003872 if (!hdev_is_powered(hdev)) {
Johan Hedberg2b4bf392012-03-03 00:19:06 +02003873 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
Johan Hedberg28cc7bd2012-02-22 21:06:55 +02003874
Johan Hedberg2a1afb52015-03-06 21:08:54 +02003875 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3876 data, len);
Johan Hedberg28cc7bd2012-02-22 21:06:55 +02003877 if (err < 0)
3878 goto failed;
3879
Marcel Holtmannf6b77122015-03-14 19:28:05 -07003880 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
3881 data, len, sk);
Johan Hedberg28cc7bd2012-02-22 21:06:55 +02003882
Johan Hedbergb5235a62012-02-21 14:32:24 +02003883 goto failed;
3884 }
3885
Johan Hedberg28cc7bd2012-02-22 21:06:55 +02003886 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
Johan Hedbergb312b1612011-03-16 14:29:37 +02003887 if (!cmd) {
3888 err = -ENOMEM;
3889 goto failed;
3890 }
3891
Johan Hedberg13928972013-03-15 17:07:00 -05003892 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3893
Johan Hedberg890ea892013-03-15 17:06:52 -05003894 hci_req_init(&req, hdev);
Johan Hedberg3f985052013-03-15 17:07:02 -05003895
3896 if (lmp_bredr_capable(hdev)) {
3897 update_name(&req);
3898 update_eir(&req);
3899 }
3900
Marcel Holtmann7a5f4992013-10-16 00:16:49 -07003901 /* The name is stored in the scan response data and so
3902 * no need to udpate the advertising data here.
3903 */
Johan Hedberg3f985052013-03-15 17:07:02 -05003904 if (lmp_le_capable(hdev))
Marcel Holtmann7a5f4992013-10-16 00:16:49 -07003905 update_scan_rsp_data(&req);
Johan Hedberg3f985052013-03-15 17:07:02 -05003906
Johan Hedberg13928972013-03-15 17:07:00 -05003907 err = hci_req_run(&req, set_name_complete);
Johan Hedbergb312b1612011-03-16 14:29:37 +02003908 if (err < 0)
3909 mgmt_pending_remove(cmd);
3910
3911failed:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003912 hci_dev_unlock(hdev);
Johan Hedbergb312b1612011-03-16 14:29:37 +02003913 return err;
3914}
3915
Johan Hedberg1b9441f2015-04-02 13:41:13 +03003916static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3917 u16 opcode, struct sk_buff *skb)
3918{
3919 struct mgmt_rp_read_local_oob_data mgmt_rp;
3920 size_t rp_size = sizeof(mgmt_rp);
3921 struct mgmt_pending_cmd *cmd;
3922
3923 BT_DBG("%s status %u", hdev->name, status);
3924
3925 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3926 if (!cmd)
3927 return;
3928
3929 if (status || !skb) {
3930 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3931 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3932 goto remove;
3933 }
3934
3935 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3936
3937 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3938 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3939
3940 if (skb->len < sizeof(*rp)) {
3941 mgmt_cmd_status(cmd->sk, hdev->id,
3942 MGMT_OP_READ_LOCAL_OOB_DATA,
3943 MGMT_STATUS_FAILED);
3944 goto remove;
3945 }
3946
3947 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3948 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3949
3950 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3951 } else {
3952 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3953
3954 if (skb->len < sizeof(*rp)) {
3955 mgmt_cmd_status(cmd->sk, hdev->id,
3956 MGMT_OP_READ_LOCAL_OOB_DATA,
3957 MGMT_STATUS_FAILED);
3958 goto remove;
3959 }
3960
3961 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3962 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3963
3964 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3965 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3966 }
3967
3968 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3969 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3970
3971remove:
3972 mgmt_pending_remove(cmd);
3973}
3974
Johan Hedberg0f4e68c2012-02-28 17:18:30 +02003975static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03003976 void *data, u16 data_len)
Szymon Jancc35938b2011-03-22 13:12:21 +01003977{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02003978 struct mgmt_pending_cmd *cmd;
Johan Hedberg1b9441f2015-04-02 13:41:13 +03003979 struct hci_request req;
Szymon Jancc35938b2011-03-22 13:12:21 +01003980 int err;
3981
Johan Hedbergbdb6d972012-02-28 06:13:32 +02003982 BT_DBG("%s", hdev->name);
Szymon Jancc35938b2011-03-22 13:12:21 +01003983
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03003984 hci_dev_lock(hdev);
Szymon Jancc35938b2011-03-22 13:12:21 +01003985
Johan Hedberg4b34ee782012-02-21 14:13:02 +02003986 if (!hdev_is_powered(hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02003987 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3988 MGMT_STATUS_NOT_POWERED);
Szymon Jancc35938b2011-03-22 13:12:21 +01003989 goto unlock;
3990 }
3991
Andre Guedes9a1a1992012-07-24 15:03:48 -03003992 if (!lmp_ssp_capable(hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02003993 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3994 MGMT_STATUS_NOT_SUPPORTED);
Szymon Jancc35938b2011-03-22 13:12:21 +01003995 goto unlock;
3996 }
3997
Johan Hedberg333ae952015-03-17 13:48:47 +02003998 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02003999 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
4000 MGMT_STATUS_BUSY);
Szymon Jancc35938b2011-03-22 13:12:21 +01004001 goto unlock;
4002 }
4003
Johan Hedberg2e58ef32011-11-08 20:40:15 +02004004 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
Szymon Jancc35938b2011-03-22 13:12:21 +01004005 if (!cmd) {
4006 err = -ENOMEM;
4007 goto unlock;
4008 }
4009
Johan Hedberg1b9441f2015-04-02 13:41:13 +03004010 hci_req_init(&req, hdev);
Marcel Holtmann4d2d2792014-01-10 02:07:26 -08004011
Johan Hedberg1b9441f2015-04-02 13:41:13 +03004012 if (bredr_sc_enabled(hdev))
4013 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4014 else
4015 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4016
4017 err = hci_req_run_skb(&req, read_local_oob_data_complete);
Szymon Jancc35938b2011-03-22 13:12:21 +01004018 if (err < 0)
4019 mgmt_pending_remove(cmd);
4020
4021unlock:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004022 hci_dev_unlock(hdev);
Szymon Jancc35938b2011-03-22 13:12:21 +01004023 return err;
4024}
4025
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004026static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03004027 void *data, u16 len)
Szymon Janc2763eda2011-03-22 13:12:22 +01004028{
Johan Hedberg5d57e792015-01-23 10:10:38 +02004029 struct mgmt_addr_info *addr = data;
Szymon Janc2763eda2011-03-22 13:12:22 +01004030 int err;
4031
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004032 BT_DBG("%s ", hdev->name);
Szymon Janc2763eda2011-03-22 13:12:22 +01004033
Johan Hedberg5d57e792015-01-23 10:10:38 +02004034 if (!bdaddr_type_is_valid(addr->type))
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004035 return mgmt_cmd_complete(sk, hdev->id,
4036 MGMT_OP_ADD_REMOTE_OOB_DATA,
4037 MGMT_STATUS_INVALID_PARAMS,
4038 addr, sizeof(*addr));
Johan Hedberg5d57e792015-01-23 10:10:38 +02004039
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004040 hci_dev_lock(hdev);
Szymon Janc2763eda2011-03-22 13:12:22 +01004041
Marcel Holtmannec109112014-01-10 02:07:30 -08004042 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
4043 struct mgmt_cp_add_remote_oob_data *cp = data;
4044 u8 status;
Johan Hedbergbf1e3542012-02-19 13:16:14 +02004045
Johan Hedbergc19a4952014-11-17 20:52:19 +02004046 if (cp->addr.type != BDADDR_BREDR) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004047 err = mgmt_cmd_complete(sk, hdev->id,
4048 MGMT_OP_ADD_REMOTE_OOB_DATA,
4049 MGMT_STATUS_INVALID_PARAMS,
4050 &cp->addr, sizeof(cp->addr));
Johan Hedbergc19a4952014-11-17 20:52:19 +02004051 goto unlock;
4052 }
4053
Marcel Holtmannec109112014-01-10 02:07:30 -08004054 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
Johan Hedberg6928a922014-10-26 20:46:09 +01004055 cp->addr.type, cp->hash,
4056 cp->rand, NULL, NULL);
Marcel Holtmannec109112014-01-10 02:07:30 -08004057 if (err < 0)
4058 status = MGMT_STATUS_FAILED;
4059 else
4060 status = MGMT_STATUS_SUCCESS;
4061
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004062 err = mgmt_cmd_complete(sk, hdev->id,
4063 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
4064 &cp->addr, sizeof(cp->addr));
Marcel Holtmannec109112014-01-10 02:07:30 -08004065 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
4066 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
Marcel Holtmann41bcfd52015-01-31 00:37:02 -08004067 u8 *rand192, *hash192, *rand256, *hash256;
Marcel Holtmannec109112014-01-10 02:07:30 -08004068 u8 status;
4069
Johan Hedberg86df9202014-10-26 20:52:27 +01004070 if (bdaddr_type_is_le(cp->addr.type)) {
Johan Hedbergd25b78e2015-01-27 12:55:52 +02004071 /* Enforce zero-valued 192-bit parameters as
4072 * long as legacy SMP OOB isn't implemented.
4073 */
4074 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
4075 memcmp(cp->hash192, ZERO_KEY, 16)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004076 err = mgmt_cmd_complete(sk, hdev->id,
4077 MGMT_OP_ADD_REMOTE_OOB_DATA,
4078 MGMT_STATUS_INVALID_PARAMS,
4079 addr, sizeof(*addr));
Johan Hedbergd25b78e2015-01-27 12:55:52 +02004080 goto unlock;
4081 }
4082
Johan Hedberg86df9202014-10-26 20:52:27 +01004083 rand192 = NULL;
4084 hash192 = NULL;
4085 } else {
Marcel Holtmann41bcfd52015-01-31 00:37:02 -08004086 /* In case one of the P-192 values is set to zero,
4087 * then just disable OOB data for P-192.
4088 */
4089 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
4090 !memcmp(cp->hash192, ZERO_KEY, 16)) {
4091 rand192 = NULL;
4092 hash192 = NULL;
4093 } else {
4094 rand192 = cp->rand192;
4095 hash192 = cp->hash192;
4096 }
4097 }
4098
4099 /* In case one of the P-256 values is set to zero, then just
4100 * disable OOB data for P-256.
4101 */
4102 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
4103 !memcmp(cp->hash256, ZERO_KEY, 16)) {
4104 rand256 = NULL;
4105 hash256 = NULL;
4106 } else {
4107 rand256 = cp->rand256;
4108 hash256 = cp->hash256;
Johan Hedberg86df9202014-10-26 20:52:27 +01004109 }
4110
Johan Hedberg81328d5c2014-10-26 20:33:47 +01004111 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
Johan Hedberg86df9202014-10-26 20:52:27 +01004112 cp->addr.type, hash192, rand192,
Marcel Holtmann41bcfd52015-01-31 00:37:02 -08004113 hash256, rand256);
Marcel Holtmannec109112014-01-10 02:07:30 -08004114 if (err < 0)
4115 status = MGMT_STATUS_FAILED;
4116 else
4117 status = MGMT_STATUS_SUCCESS;
4118
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004119 err = mgmt_cmd_complete(sk, hdev->id,
4120 MGMT_OP_ADD_REMOTE_OOB_DATA,
4121 status, &cp->addr, sizeof(cp->addr));
Marcel Holtmannec109112014-01-10 02:07:30 -08004122 } else {
4123 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
Johan Hedberga69e8372015-03-06 21:08:53 +02004124 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
4125 MGMT_STATUS_INVALID_PARAMS);
Marcel Holtmannec109112014-01-10 02:07:30 -08004126 }
Szymon Janc2763eda2011-03-22 13:12:22 +01004127
Johan Hedbergc19a4952014-11-17 20:52:19 +02004128unlock:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004129 hci_dev_unlock(hdev);
Szymon Janc2763eda2011-03-22 13:12:22 +01004130 return err;
4131}
4132
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004133static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
Gustavo Padovan8ce8e2b2012-05-17 00:36:20 -03004134 void *data, u16 len)
Szymon Janc2763eda2011-03-22 13:12:22 +01004135{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03004136 struct mgmt_cp_remove_remote_oob_data *cp = data;
Johan Hedbergbf1e3542012-02-19 13:16:14 +02004137 u8 status;
Szymon Janc2763eda2011-03-22 13:12:22 +01004138 int err;
4139
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004140 BT_DBG("%s", hdev->name);
Szymon Janc2763eda2011-03-22 13:12:22 +01004141
Johan Hedbergc19a4952014-11-17 20:52:19 +02004142 if (cp->addr.type != BDADDR_BREDR)
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004143 return mgmt_cmd_complete(sk, hdev->id,
4144 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4145 MGMT_STATUS_INVALID_PARAMS,
4146 &cp->addr, sizeof(cp->addr));
Johan Hedbergc19a4952014-11-17 20:52:19 +02004147
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004148 hci_dev_lock(hdev);
Szymon Janc2763eda2011-03-22 13:12:22 +01004149
Johan Hedbergeedbd582014-11-15 09:34:23 +02004150 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4151 hci_remote_oob_data_clear(hdev);
4152 status = MGMT_STATUS_SUCCESS;
4153 goto done;
4154 }
4155
Johan Hedberg6928a922014-10-26 20:46:09 +01004156 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
Szymon Janc2763eda2011-03-22 13:12:22 +01004157 if (err < 0)
Johan Hedbergbf1e3542012-02-19 13:16:14 +02004158 status = MGMT_STATUS_INVALID_PARAMS;
Szymon Janc2763eda2011-03-22 13:12:22 +01004159 else
Szymon Janca6785be2012-12-13 15:11:21 +01004160 status = MGMT_STATUS_SUCCESS;
Johan Hedbergbf1e3542012-02-19 13:16:14 +02004161
Johan Hedbergeedbd582014-11-15 09:34:23 +02004162done:
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004163 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4164 status, &cp->addr, sizeof(cp->addr));
Szymon Janc2763eda2011-03-22 13:12:22 +01004165
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004166 hci_dev_unlock(hdev);
Szymon Janc2763eda2011-03-22 13:12:22 +01004167 return err;
4168}
4169
Jakub Pawlowski812abb12015-03-17 09:04:13 -07004170static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status)
4171{
4172 struct hci_dev *hdev = req->hdev;
4173 struct hci_cp_inquiry cp;
4174 /* General inquiry access code (GIAC) */
4175 u8 lap[3] = { 0x33, 0x8b, 0x9e };
4176
4177 *status = mgmt_bredr_support(hdev);
4178 if (*status)
4179 return false;
4180
4181 if (hci_dev_test_flag(hdev, HCI_INQUIRY)) {
4182 *status = MGMT_STATUS_BUSY;
4183 return false;
4184 }
4185
4186 hci_inquiry_cache_flush(hdev);
4187
4188 memset(&cp, 0, sizeof(cp));
4189 memcpy(&cp.lap, lap, sizeof(cp.lap));
4190 cp.length = DISCOV_BREDR_INQUIRY_LEN;
4191
4192 hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
4193
4194 return true;
4195}
4196
4197static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status)
Andre Guedes41dc2bd2013-04-30 15:29:30 -03004198{
Marcel Holtmann80190442014-12-04 11:36:36 +01004199 struct hci_dev *hdev = req->hdev;
4200 struct hci_cp_le_set_scan_param param_cp;
4201 struct hci_cp_le_set_scan_enable enable_cp;
Marcel Holtmann80190442014-12-04 11:36:36 +01004202 u8 own_addr_type;
Andre Guedes41dc2bd2013-04-30 15:29:30 -03004203 int err;
4204
Jakub Pawlowski812abb12015-03-17 09:04:13 -07004205 *status = mgmt_le_support(hdev);
4206 if (*status)
4207 return false;
Andre Guedes41dc2bd2013-04-30 15:29:30 -03004208
Jakub Pawlowski812abb12015-03-17 09:04:13 -07004209 if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
4210 /* Don't let discovery abort an outgoing connection attempt
4211 * that's using directed advertising.
4212 */
Jakub Pawlowskie7d9ab72015-08-07 20:22:52 +02004213 if (hci_lookup_le_connect(hdev)) {
Jakub Pawlowski812abb12015-03-17 09:04:13 -07004214 *status = MGMT_STATUS_REJECTED;
Marcel Holtmann80190442014-12-04 11:36:36 +01004215 return false;
4216 }
Andre Guedes41dc2bd2013-04-30 15:29:30 -03004217
Florian Grandel9d5fc2f2015-06-18 03:16:50 +02004218 cancel_adv_timeout(hdev);
Jakub Pawlowski812abb12015-03-17 09:04:13 -07004219 disable_advertising(req);
4220 }
Andre Guedes41dc2bd2013-04-30 15:29:30 -03004221
Jakub Pawlowski812abb12015-03-17 09:04:13 -07004222 /* If controller is scanning, it means the background scanning is
4223 * running. Thus, we should temporarily stop it in order to set the
4224 * discovery scanning parameters.
4225 */
4226 if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
4227 hci_req_add_le_scan_disable(req);
4228
4229 /* All active scans will be done with either a resolvable private
4230 * address (when privacy feature has been enabled) or non-resolvable
4231 * private address.
4232 */
4233 err = hci_update_random_address(req, true, &own_addr_type);
4234 if (err < 0) {
4235 *status = MGMT_STATUS_FAILED;
4236 return false;
4237 }
4238
4239 memset(&param_cp, 0, sizeof(param_cp));
4240 param_cp.type = LE_SCAN_ACTIVE;
4241 param_cp.interval = cpu_to_le16(interval);
4242 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
4243 param_cp.own_address_type = own_addr_type;
4244
4245 hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
4246 &param_cp);
4247
4248 memset(&enable_cp, 0, sizeof(enable_cp));
4249 enable_cp.enable = LE_SCAN_ENABLE;
4250 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
4251
4252 hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
4253 &enable_cp);
4254
4255 return true;
4256}
4257
4258static bool trigger_discovery(struct hci_request *req, u8 *status)
4259{
4260 struct hci_dev *hdev = req->hdev;
4261
4262 switch (hdev->discovery.type) {
4263 case DISCOV_TYPE_BREDR:
4264 if (!trigger_bredr_inquiry(req, status))
4265 return false;
Marcel Holtmann80190442014-12-04 11:36:36 +01004266 break;
Andre Guedes41dc2bd2013-04-30 15:29:30 -03004267
Marcel Holtmann80190442014-12-04 11:36:36 +01004268 case DISCOV_TYPE_INTERLEAVED:
Jakub Pawlowski07d23342015-03-17 09:04:14 -07004269 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
4270 &hdev->quirks)) {
4271 /* During simultaneous discovery, we double LE scan
4272 * interval. We must leave some time for the controller
4273 * to do BR/EDR inquiry.
4274 */
4275 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2,
4276 status))
4277 return false;
4278
4279 if (!trigger_bredr_inquiry(req, status))
4280 return false;
4281
4282 return true;
4283 }
4284
Jakub Pawlowski812abb12015-03-17 09:04:13 -07004285 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
Marcel Holtmann80190442014-12-04 11:36:36 +01004286 *status = MGMT_STATUS_NOT_SUPPORTED;
4287 return false;
4288 }
Jakub Pawlowski812abb12015-03-17 09:04:13 -07004289 /* fall through */
Marcel Holtmann80190442014-12-04 11:36:36 +01004290
Jakub Pawlowski812abb12015-03-17 09:04:13 -07004291 case DISCOV_TYPE_LE:
4292 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status))
Marcel Holtmann80190442014-12-04 11:36:36 +01004293 return false;
Marcel Holtmann80190442014-12-04 11:36:36 +01004294 break;
4295
4296 default:
4297 *status = MGMT_STATUS_INVALID_PARAMS;
4298 return false;
4299 }
4300
4301 return true;
Andre Guedes41dc2bd2013-04-30 15:29:30 -03004302}
4303
Marcel Holtmann1904a852015-01-11 13:50:44 -08004304static void start_discovery_complete(struct hci_dev *hdev, u8 status,
4305 u16 opcode)
Andre Guedes7c307722013-04-30 15:29:28 -03004306{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02004307 struct mgmt_pending_cmd *cmd;
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004308 unsigned long timeout;
Lukasz Rymanowskiae55f592014-03-27 20:55:19 +01004309
Andre Guedes7c307722013-04-30 15:29:28 -03004310 BT_DBG("status %d", status);
4311
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004312 hci_dev_lock(hdev);
4313
Johan Hedberg333ae952015-03-17 13:48:47 +02004314 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004315 if (!cmd)
Johan Hedberg333ae952015-03-17 13:48:47 +02004316 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004317
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004318 if (cmd) {
Johan Hedberg2922a942014-12-05 13:36:06 +02004319 cmd->cmd_complete(cmd, mgmt_status(status));
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004320 mgmt_pending_remove(cmd);
Andre Guedes7c307722013-04-30 15:29:28 -03004321 }
4322
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004323 if (status) {
4324 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4325 goto unlock;
4326 }
4327
Andre Guedes7c307722013-04-30 15:29:28 -03004328 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
Andre Guedes7c307722013-04-30 15:29:28 -03004329
Jakub Pawlowski2d28cfe2015-02-01 23:07:54 -08004330 /* If the scan involves LE scan, pick proper timeout to schedule
4331 * hdev->le_scan_disable that will stop it.
4332 */
Andre Guedes7c307722013-04-30 15:29:28 -03004333 switch (hdev->discovery.type) {
4334 case DISCOV_TYPE_LE:
Lukasz Rymanowski3d5a76f2014-03-27 20:55:21 +01004335 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
Andre Guedes7c307722013-04-30 15:29:28 -03004336 break;
Andre Guedes7c307722013-04-30 15:29:28 -03004337 case DISCOV_TYPE_INTERLEAVED:
Jakub Pawlowski07d23342015-03-17 09:04:14 -07004338 /* When running simultaneous discovery, the LE scanning time
4339 * should occupy the whole discovery time sine BR/EDR inquiry
4340 * and LE scanning are scheduled by the controller.
4341 *
4342 * For interleaving discovery in comparison, BR/EDR inquiry
4343 * and LE scanning are done sequentially with separate
4344 * timeouts.
4345 */
4346 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
4347 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
4348 else
4349 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
Andre Guedes7c307722013-04-30 15:29:28 -03004350 break;
Andre Guedes7c307722013-04-30 15:29:28 -03004351 case DISCOV_TYPE_BREDR:
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004352 timeout = 0;
Andre Guedes7c307722013-04-30 15:29:28 -03004353 break;
Andre Guedes7c307722013-04-30 15:29:28 -03004354 default:
4355 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004356 timeout = 0;
4357 break;
Andre Guedes7c307722013-04-30 15:29:28 -03004358 }
Lukasz Rymanowskiae55f592014-03-27 20:55:19 +01004359
Jakub Pawlowski2d28cfe2015-02-01 23:07:54 -08004360 if (timeout) {
4361 /* When service discovery is used and the controller has
4362 * a strict duplicate filter, it is important to remember
4363 * the start and duration of the scan. This is required
4364 * for restarting scanning during the discovery phase.
4365 */
4366 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER,
4367 &hdev->quirks) &&
Jakub Pawlowski82f8b652015-03-04 16:24:26 -08004368 hdev->discovery.result_filtering) {
Jakub Pawlowski2d28cfe2015-02-01 23:07:54 -08004369 hdev->discovery.scan_start = jiffies;
4370 hdev->discovery.scan_duration = timeout;
4371 }
4372
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004373 queue_delayed_work(hdev->workqueue,
4374 &hdev->le_scan_disable, timeout);
Jakub Pawlowski2d28cfe2015-02-01 23:07:54 -08004375 }
Lukasz Rymanowskiae55f592014-03-27 20:55:19 +01004376
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004377unlock:
4378 hci_dev_unlock(hdev);
Andre Guedes7c307722013-04-30 15:29:28 -03004379}
4380
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004381static int start_discovery(struct sock *sk, struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03004382 void *data, u16 len)
Johan Hedberg14a53662011-04-27 10:29:56 -04004383{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03004384 struct mgmt_cp_start_discovery *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02004385 struct mgmt_pending_cmd *cmd;
Andre Guedes7c307722013-04-30 15:29:28 -03004386 struct hci_request req;
Marcel Holtmann80190442014-12-04 11:36:36 +01004387 u8 status;
Johan Hedberg14a53662011-04-27 10:29:56 -04004388 int err;
4389
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004390 BT_DBG("%s", hdev->name);
Johan Hedberg14a53662011-04-27 10:29:56 -04004391
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004392 hci_dev_lock(hdev);
Johan Hedberg14a53662011-04-27 10:29:56 -04004393
Johan Hedberg4b34ee782012-02-21 14:13:02 +02004394 if (!hdev_is_powered(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004395 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4396 MGMT_STATUS_NOT_POWERED,
4397 &cp->type, sizeof(cp->type));
Johan Hedbergbd2d1332011-11-07 23:13:37 +02004398 goto failed;
4399 }
4400
Marcel Holtmannf5a969f2014-12-04 11:36:34 +01004401 if (hdev->discovery.state != DISCOVERY_STOPPED ||
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004402 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004403 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4404 MGMT_STATUS_BUSY, &cp->type,
4405 sizeof(cp->type));
Andre Guedes642be6c2012-03-21 00:03:37 -03004406 goto failed;
4407 }
4408
Johan Hedberg2922a942014-12-05 13:36:06 +02004409 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
Johan Hedberg14a53662011-04-27 10:29:56 -04004410 if (!cmd) {
4411 err = -ENOMEM;
4412 goto failed;
4413 }
4414
Johan Hedberg2922a942014-12-05 13:36:06 +02004415 cmd->cmd_complete = generic_cmd_complete;
4416
Marcel Holtmann22078802014-12-05 11:45:22 +01004417 /* Clear the discovery filter first to free any previously
4418 * allocated memory for the UUID list.
4419 */
4420 hci_discovery_filter_clear(hdev);
4421
Andre Guedes4aab14e2012-02-17 20:39:36 -03004422 hdev->discovery.type = cp->type;
Marcel Holtmannda25cf62014-12-05 13:03:35 +01004423 hdev->discovery.report_invalid_rssi = false;
Andre Guedes4aab14e2012-02-17 20:39:36 -03004424
Andre Guedes7c307722013-04-30 15:29:28 -03004425 hci_req_init(&req, hdev);
4426
Marcel Holtmann80190442014-12-04 11:36:36 +01004427 if (!trigger_discovery(&req, &status)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004428 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4429 status, &cp->type, sizeof(cp->type));
Johan Hedberg04106752013-01-10 14:54:09 +02004430 mgmt_pending_remove(cmd);
4431 goto failed;
Andre Guedesf39799f2012-02-17 20:39:35 -03004432 }
Andre Guedes3fd24152012-02-03 17:48:01 -03004433
Andre Guedes7c307722013-04-30 15:29:28 -03004434 err = hci_req_run(&req, start_discovery_complete);
Marcel Holtmannf5a969f2014-12-04 11:36:34 +01004435 if (err < 0) {
Johan Hedberg14a53662011-04-27 10:29:56 -04004436 mgmt_pending_remove(cmd);
Marcel Holtmannf5a969f2014-12-04 11:36:34 +01004437 goto failed;
4438 }
4439
4440 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
Johan Hedberg14a53662011-04-27 10:29:56 -04004441
4442failed:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004443 hci_dev_unlock(hdev);
Johan Hedberg14a53662011-04-27 10:29:56 -04004444 return err;
4445}
4446
Johan Hedberg3b0602c2015-03-06 21:08:55 +02004447static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
4448 u8 status)
Andre Guedes1183fdc2013-04-30 15:29:35 -03004449{
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004450 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
4451 cmd->param, 1);
Johan Hedberg2922a942014-12-05 13:36:06 +02004452}
4453
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004454static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
4455 void *data, u16 len)
4456{
4457 struct mgmt_cp_start_service_discovery *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02004458 struct mgmt_pending_cmd *cmd;
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004459 struct hci_request req;
4460 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
4461 u16 uuid_count, expected_len;
4462 u8 status;
Andre Guedes1183fdc2013-04-30 15:29:35 -03004463 int err;
4464
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004465 BT_DBG("%s", hdev->name);
Andre Guedes1183fdc2013-04-30 15:29:35 -03004466
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004467 hci_dev_lock(hdev);
Andre Guedes1183fdc2013-04-30 15:29:35 -03004468
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004469 if (!hdev_is_powered(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004470 err = mgmt_cmd_complete(sk, hdev->id,
4471 MGMT_OP_START_SERVICE_DISCOVERY,
4472 MGMT_STATUS_NOT_POWERED,
4473 &cp->type, sizeof(cp->type));
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004474 goto failed;
4475 }
4476
4477 if (hdev->discovery.state != DISCOVERY_STOPPED ||
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004478 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004479 err = mgmt_cmd_complete(sk, hdev->id,
4480 MGMT_OP_START_SERVICE_DISCOVERY,
4481 MGMT_STATUS_BUSY, &cp->type,
4482 sizeof(cp->type));
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004483 goto failed;
4484 }
4485
4486 uuid_count = __le16_to_cpu(cp->uuid_count);
4487 if (uuid_count > max_uuid_count) {
4488 BT_ERR("service_discovery: too big uuid_count value %u",
4489 uuid_count);
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004490 err = mgmt_cmd_complete(sk, hdev->id,
4491 MGMT_OP_START_SERVICE_DISCOVERY,
4492 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4493 sizeof(cp->type));
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004494 goto failed;
4495 }
4496
4497 expected_len = sizeof(*cp) + uuid_count * 16;
4498 if (expected_len != len) {
4499 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
4500 expected_len, len);
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004501 err = mgmt_cmd_complete(sk, hdev->id,
4502 MGMT_OP_START_SERVICE_DISCOVERY,
4503 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4504 sizeof(cp->type));
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004505 goto failed;
4506 }
4507
4508 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
Johan Hedberg2922a942014-12-05 13:36:06 +02004509 hdev, data, len);
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004510 if (!cmd) {
4511 err = -ENOMEM;
4512 goto failed;
4513 }
4514
Johan Hedberg2922a942014-12-05 13:36:06 +02004515 cmd->cmd_complete = service_discovery_cmd_complete;
4516
Marcel Holtmann22078802014-12-05 11:45:22 +01004517 /* Clear the discovery filter first to free any previously
4518 * allocated memory for the UUID list.
4519 */
4520 hci_discovery_filter_clear(hdev);
4521
Jakub Pawlowski82f8b652015-03-04 16:24:26 -08004522 hdev->discovery.result_filtering = true;
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004523 hdev->discovery.type = cp->type;
4524 hdev->discovery.rssi = cp->rssi;
4525 hdev->discovery.uuid_count = uuid_count;
4526
4527 if (uuid_count > 0) {
4528 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
4529 GFP_KERNEL);
4530 if (!hdev->discovery.uuids) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004531 err = mgmt_cmd_complete(sk, hdev->id,
4532 MGMT_OP_START_SERVICE_DISCOVERY,
4533 MGMT_STATUS_FAILED,
4534 &cp->type, sizeof(cp->type));
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004535 mgmt_pending_remove(cmd);
4536 goto failed;
4537 }
4538 }
4539
4540 hci_req_init(&req, hdev);
4541
4542 if (!trigger_discovery(&req, &status)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004543 err = mgmt_cmd_complete(sk, hdev->id,
4544 MGMT_OP_START_SERVICE_DISCOVERY,
4545 status, &cp->type, sizeof(cp->type));
Jakub Pawlowski66ea9422014-12-05 10:55:59 +01004546 mgmt_pending_remove(cmd);
4547 goto failed;
4548 }
4549
4550 err = hci_req_run(&req, start_discovery_complete);
4551 if (err < 0) {
4552 mgmt_pending_remove(cmd);
4553 goto failed;
4554 }
4555
4556 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
4557
4558failed:
4559 hci_dev_unlock(hdev);
Andre Guedes1183fdc2013-04-30 15:29:35 -03004560 return err;
4561}
4562
Marcel Holtmann1904a852015-01-11 13:50:44 -08004563static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Andre Guedes0e05bba2013-04-30 15:29:33 -03004564{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02004565 struct mgmt_pending_cmd *cmd;
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004566
Andre Guedes0e05bba2013-04-30 15:29:33 -03004567 BT_DBG("status %d", status);
4568
4569 hci_dev_lock(hdev);
4570
Johan Hedberg333ae952015-03-17 13:48:47 +02004571 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004572 if (cmd) {
Johan Hedberg2922a942014-12-05 13:36:06 +02004573 cmd->cmd_complete(cmd, mgmt_status(status));
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004574 mgmt_pending_remove(cmd);
Andre Guedes0e05bba2013-04-30 15:29:33 -03004575 }
4576
Marcel Holtmann11e6e252014-12-04 11:36:35 +01004577 if (!status)
4578 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
Andre Guedes0e05bba2013-04-30 15:29:33 -03004579
Andre Guedes0e05bba2013-04-30 15:29:33 -03004580 hci_dev_unlock(hdev);
4581}
4582
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004583static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03004584 u16 len)
Johan Hedberg14a53662011-04-27 10:29:56 -04004585{
Johan Hedbergd9306502012-02-20 23:25:18 +02004586 struct mgmt_cp_stop_discovery *mgmt_cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02004587 struct mgmt_pending_cmd *cmd;
Andre Guedes0e05bba2013-04-30 15:29:33 -03004588 struct hci_request req;
Johan Hedberg14a53662011-04-27 10:29:56 -04004589 int err;
4590
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004591 BT_DBG("%s", hdev->name);
Johan Hedberg14a53662011-04-27 10:29:56 -04004592
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004593 hci_dev_lock(hdev);
Johan Hedberg14a53662011-04-27 10:29:56 -04004594
Johan Hedberg30dc78e2012-01-04 15:44:20 +02004595 if (!hci_discovery_active(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004596 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4597 MGMT_STATUS_REJECTED, &mgmt_cp->type,
4598 sizeof(mgmt_cp->type));
Johan Hedbergd9306502012-02-20 23:25:18 +02004599 goto unlock;
4600 }
4601
4602 if (hdev->discovery.type != mgmt_cp->type) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004603 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4604 MGMT_STATUS_INVALID_PARAMS,
4605 &mgmt_cp->type, sizeof(mgmt_cp->type));
Johan Hedberg30dc78e2012-01-04 15:44:20 +02004606 goto unlock;
Johan Hedbergff9ef572012-01-04 14:23:45 +02004607 }
4608
Johan Hedberg2922a942014-12-05 13:36:06 +02004609 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
Johan Hedberg14a53662011-04-27 10:29:56 -04004610 if (!cmd) {
4611 err = -ENOMEM;
Johan Hedberg30dc78e2012-01-04 15:44:20 +02004612 goto unlock;
Johan Hedberg14a53662011-04-27 10:29:56 -04004613 }
4614
Johan Hedberg2922a942014-12-05 13:36:06 +02004615 cmd->cmd_complete = generic_cmd_complete;
4616
Andre Guedes0e05bba2013-04-30 15:29:33 -03004617 hci_req_init(&req, hdev);
4618
Johan Hedberg21a60d32014-06-10 14:05:58 +03004619 hci_stop_discovery(&req);
Andre Guedes0e05bba2013-04-30 15:29:33 -03004620
Johan Hedberg21a60d32014-06-10 14:05:58 +03004621 err = hci_req_run(&req, stop_discovery_complete);
4622 if (!err) {
4623 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
Andre Guedes0e05bba2013-04-30 15:29:33 -03004624 goto unlock;
Johan Hedberg30dc78e2012-01-04 15:44:20 +02004625 }
4626
Johan Hedberg21a60d32014-06-10 14:05:58 +03004627 mgmt_pending_remove(cmd);
4628
4629 /* If no HCI commands were sent we're done */
4630 if (err == -ENODATA) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004631 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
4632 &mgmt_cp->type, sizeof(mgmt_cp->type));
Johan Hedberg21a60d32014-06-10 14:05:58 +03004633 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4634 }
Johan Hedberg14a53662011-04-27 10:29:56 -04004635
Johan Hedberg30dc78e2012-01-04 15:44:20 +02004636unlock:
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004637 hci_dev_unlock(hdev);
Johan Hedberg14a53662011-04-27 10:29:56 -04004638 return err;
4639}
4640
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004641static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03004642 u16 len)
Johan Hedberg561aafb2012-01-04 13:31:59 +02004643{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03004644 struct mgmt_cp_confirm_name *cp = data;
Johan Hedberg561aafb2012-01-04 13:31:59 +02004645 struct inquiry_entry *e;
Johan Hedberg561aafb2012-01-04 13:31:59 +02004646 int err;
4647
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004648 BT_DBG("%s", hdev->name);
Johan Hedberg561aafb2012-01-04 13:31:59 +02004649
Johan Hedberg561aafb2012-01-04 13:31:59 +02004650 hci_dev_lock(hdev);
4651
Johan Hedberg30dc78e2012-01-04 15:44:20 +02004652 if (!hci_discovery_active(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004653 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4654 MGMT_STATUS_FAILED, &cp->addr,
4655 sizeof(cp->addr));
Johan Hedberg30dc78e2012-01-04 15:44:20 +02004656 goto failed;
4657 }
4658
Johan Hedberga198e7b2012-02-17 14:27:06 +02004659 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
Johan Hedberg561aafb2012-01-04 13:31:59 +02004660 if (!e) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004661 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4662 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4663 sizeof(cp->addr));
Johan Hedberg561aafb2012-01-04 13:31:59 +02004664 goto failed;
4665 }
4666
4667 if (cp->name_known) {
4668 e->name_state = NAME_KNOWN;
4669 list_del(&e->list);
4670 } else {
4671 e->name_state = NAME_NEEDED;
Johan Hedberga3d4e202012-01-09 00:53:02 +02004672 hci_inquiry_cache_update_resolve(hdev, e);
Johan Hedberg561aafb2012-01-04 13:31:59 +02004673 }
4674
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004675 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
4676 &cp->addr, sizeof(cp->addr));
Johan Hedberg561aafb2012-01-04 13:31:59 +02004677
4678failed:
4679 hci_dev_unlock(hdev);
Johan Hedberg561aafb2012-01-04 13:31:59 +02004680 return err;
4681}
4682
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004683static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03004684 u16 len)
Antti Julku7fbec222011-06-15 12:01:15 +03004685{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03004686 struct mgmt_cp_block_device *cp = data;
Johan Hedbergf0eeea82012-02-19 12:58:54 +02004687 u8 status;
Antti Julku7fbec222011-06-15 12:01:15 +03004688 int err;
4689
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004690 BT_DBG("%s", hdev->name);
Antti Julku7fbec222011-06-15 12:01:15 +03004691
Johan Hedberg4ee71b22013-01-20 14:27:19 +02004692 if (!bdaddr_type_is_valid(cp->addr.type))
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004693 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4694 MGMT_STATUS_INVALID_PARAMS,
4695 &cp->addr, sizeof(cp->addr));
Johan Hedberg4ee71b22013-01-20 14:27:19 +02004696
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004697 hci_dev_lock(hdev);
Antti Julku5e762442011-08-25 16:48:02 +03004698
Johan Hedbergdcc36c12014-07-09 12:59:13 +03004699 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4700 cp->addr.type);
Johan Hedberg2a8357f2014-07-01 22:09:47 +03004701 if (err < 0) {
Johan Hedbergf0eeea82012-02-19 12:58:54 +02004702 status = MGMT_STATUS_FAILED;
Johan Hedberg2a8357f2014-07-01 22:09:47 +03004703 goto done;
4704 }
Johan Hedbergf0eeea82012-02-19 12:58:54 +02004705
Johan Hedberg2a8357f2014-07-01 22:09:47 +03004706 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4707 sk);
4708 status = MGMT_STATUS_SUCCESS;
4709
4710done:
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004711 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
4712 &cp->addr, sizeof(cp->addr));
Antti Julku5e762442011-08-25 16:48:02 +03004713
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004714 hci_dev_unlock(hdev);
Antti Julku7fbec222011-06-15 12:01:15 +03004715
4716 return err;
4717}
4718
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004719static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03004720 u16 len)
Antti Julku7fbec222011-06-15 12:01:15 +03004721{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03004722 struct mgmt_cp_unblock_device *cp = data;
Johan Hedbergf0eeea82012-02-19 12:58:54 +02004723 u8 status;
Antti Julku7fbec222011-06-15 12:01:15 +03004724 int err;
4725
Johan Hedbergbdb6d972012-02-28 06:13:32 +02004726 BT_DBG("%s", hdev->name);
Antti Julku7fbec222011-06-15 12:01:15 +03004727
Johan Hedberg4ee71b22013-01-20 14:27:19 +02004728 if (!bdaddr_type_is_valid(cp->addr.type))
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004729 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4730 MGMT_STATUS_INVALID_PARAMS,
4731 &cp->addr, sizeof(cp->addr));
Johan Hedberg4ee71b22013-01-20 14:27:19 +02004732
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004733 hci_dev_lock(hdev);
Antti Julku5e762442011-08-25 16:48:02 +03004734
Johan Hedbergdcc36c12014-07-09 12:59:13 +03004735 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4736 cp->addr.type);
Johan Hedberg2a8357f2014-07-01 22:09:47 +03004737 if (err < 0) {
Johan Hedbergf0eeea82012-02-19 12:58:54 +02004738 status = MGMT_STATUS_INVALID_PARAMS;
Johan Hedberg2a8357f2014-07-01 22:09:47 +03004739 goto done;
4740 }
Johan Hedbergf0eeea82012-02-19 12:58:54 +02004741
Johan Hedberg2a8357f2014-07-01 22:09:47 +03004742 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4743 sk);
4744 status = MGMT_STATUS_SUCCESS;
4745
4746done:
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004747 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
4748 &cp->addr, sizeof(cp->addr));
Antti Julku5e762442011-08-25 16:48:02 +03004749
Gustavo F. Padovan09fd0de2011-06-17 13:03:21 -03004750 hci_dev_unlock(hdev);
Antti Julku7fbec222011-06-15 12:01:15 +03004751
4752 return err;
4753}
4754
Marcel Holtmanncdbaccc2012-03-11 20:00:29 -07004755static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4756 u16 len)
4757{
4758 struct mgmt_cp_set_device_id *cp = data;
Johan Hedberg890ea892013-03-15 17:06:52 -05004759 struct hci_request req;
Marcel Holtmanncdbaccc2012-03-11 20:00:29 -07004760 int err;
Szymon Jancc72d4b82012-03-16 16:02:57 +01004761 __u16 source;
Marcel Holtmanncdbaccc2012-03-11 20:00:29 -07004762
4763 BT_DBG("%s", hdev->name);
4764
Szymon Jancc72d4b82012-03-16 16:02:57 +01004765 source = __le16_to_cpu(cp->source);
4766
4767 if (source > 0x0002)
Johan Hedberga69e8372015-03-06 21:08:53 +02004768 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4769 MGMT_STATUS_INVALID_PARAMS);
Szymon Jancc72d4b82012-03-16 16:02:57 +01004770
Marcel Holtmanncdbaccc2012-03-11 20:00:29 -07004771 hci_dev_lock(hdev);
4772
Szymon Jancc72d4b82012-03-16 16:02:57 +01004773 hdev->devid_source = source;
Marcel Holtmanncdbaccc2012-03-11 20:00:29 -07004774 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4775 hdev->devid_product = __le16_to_cpu(cp->product);
4776 hdev->devid_version = __le16_to_cpu(cp->version);
4777
Johan Hedberg2a1afb52015-03-06 21:08:54 +02004778 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
4779 NULL, 0);
Marcel Holtmanncdbaccc2012-03-11 20:00:29 -07004780
Johan Hedberg890ea892013-03-15 17:06:52 -05004781 hci_req_init(&req, hdev);
4782 update_eir(&req);
4783 hci_req_run(&req, NULL);
Marcel Holtmanncdbaccc2012-03-11 20:00:29 -07004784
4785 hci_dev_unlock(hdev);
4786
4787 return err;
4788}
4789
Arman Uguray24b4f382015-03-23 15:57:12 -07004790static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
4791 u16 opcode)
4792{
4793 BT_DBG("status %d", status);
4794}
4795
Marcel Holtmann1904a852015-01-11 13:50:44 -08004796static void set_advertising_complete(struct hci_dev *hdev, u8 status,
4797 u16 opcode)
Johan Hedberg4375f102013-09-25 13:26:10 +03004798{
4799 struct cmd_lookup match = { NULL, hdev };
Arman Uguray24b4f382015-03-23 15:57:12 -07004800 struct hci_request req;
Florian Grandel7816b822015-06-18 03:16:45 +02004801 u8 instance;
4802 struct adv_info *adv_instance;
4803 int err;
Johan Hedberg4375f102013-09-25 13:26:10 +03004804
Jaganath Kanakkassery3ad67582014-12-11 11:43:12 +05304805 hci_dev_lock(hdev);
4806
Johan Hedberg4375f102013-09-25 13:26:10 +03004807 if (status) {
4808 u8 mgmt_err = mgmt_status(status);
4809
4810 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4811 cmd_status_rsp, &mgmt_err);
Jaganath Kanakkassery3ad67582014-12-11 11:43:12 +05304812 goto unlock;
Johan Hedberg4375f102013-09-25 13:26:10 +03004813 }
4814
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004815 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
Marcel Holtmanna1536da2015-03-13 02:11:01 -07004816 hci_dev_set_flag(hdev, HCI_ADVERTISING);
Johan Hedbergc93bd152014-07-08 15:07:48 +03004817 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -07004818 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
Johan Hedbergc93bd152014-07-08 15:07:48 +03004819
Johan Hedberg4375f102013-09-25 13:26:10 +03004820 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4821 &match);
4822
4823 new_settings(hdev, match.sk);
4824
4825 if (match.sk)
4826 sock_put(match.sk);
Jaganath Kanakkassery3ad67582014-12-11 11:43:12 +05304827
Arman Uguray24b4f382015-03-23 15:57:12 -07004828 /* If "Set Advertising" was just disabled and instance advertising was
Florian Grandel7816b822015-06-18 03:16:45 +02004829 * set up earlier, then re-enable multi-instance advertising.
Arman Uguray24b4f382015-03-23 15:57:12 -07004830 */
4831 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
Florian Grandel7816b822015-06-18 03:16:45 +02004832 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) ||
4833 list_empty(&hdev->adv_instances))
Arman Uguray24b4f382015-03-23 15:57:12 -07004834 goto unlock;
4835
Florian Grandel7816b822015-06-18 03:16:45 +02004836 instance = hdev->cur_adv_instance;
4837 if (!instance) {
4838 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
4839 struct adv_info, list);
4840 if (!adv_instance)
4841 goto unlock;
4842
4843 instance = adv_instance->instance;
4844 }
4845
Arman Uguray24b4f382015-03-23 15:57:12 -07004846 hci_req_init(&req, hdev);
4847
Florian Grandel7816b822015-06-18 03:16:45 +02004848 err = schedule_adv_instance(&req, instance, true);
Arman Uguray24b4f382015-03-23 15:57:12 -07004849
Florian Grandel7816b822015-06-18 03:16:45 +02004850 if (!err)
4851 err = hci_req_run(&req, enable_advertising_instance);
4852
4853 if (err)
Arman Uguray24b4f382015-03-23 15:57:12 -07004854 BT_ERR("Failed to re-configure advertising");
4855
Jaganath Kanakkassery3ad67582014-12-11 11:43:12 +05304856unlock:
4857 hci_dev_unlock(hdev);
Johan Hedberg4375f102013-09-25 13:26:10 +03004858}
4859
Marcel Holtmann21b51872013-10-10 09:47:53 -07004860static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4861 u16 len)
Johan Hedberg4375f102013-09-25 13:26:10 +03004862{
4863 struct mgmt_mode *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02004864 struct mgmt_pending_cmd *cmd;
Johan Hedberg4375f102013-09-25 13:26:10 +03004865 struct hci_request req;
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004866 u8 val, status;
Johan Hedberg4375f102013-09-25 13:26:10 +03004867 int err;
4868
4869 BT_DBG("request for %s", hdev->name);
4870
Johan Hedberge6fe7982013-10-02 15:45:22 +03004871 status = mgmt_le_support(hdev);
4872 if (status)
Johan Hedberga69e8372015-03-06 21:08:53 +02004873 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4874 status);
Johan Hedberg4375f102013-09-25 13:26:10 +03004875
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004876 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
Johan Hedberga69e8372015-03-06 21:08:53 +02004877 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4878 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg4375f102013-09-25 13:26:10 +03004879
4880 hci_dev_lock(hdev);
4881
4882 val = !!cp->val;
Johan Hedberg4375f102013-09-25 13:26:10 +03004883
Johan Hedbergf74ca9b2013-10-08 15:52:18 +02004884 /* The following conditions are ones which mean that we should
4885 * not do any HCI communication but directly send a mgmt
4886 * response to user space (after toggling the flag if
4887 * necessary).
4888 */
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004889 if (!hdev_is_powered(hdev) ||
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004890 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
4891 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
Johan Hedberge8bb6b92014-07-08 15:07:53 +03004892 hci_conn_num(hdev, LE_LINK) > 0 ||
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07004893 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
Johan Hedberge8bb6b92014-07-08 15:07:53 +03004894 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004895 bool changed;
Johan Hedberg4375f102013-09-25 13:26:10 +03004896
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004897 if (cp->val) {
Marcel Holtmann238be782015-03-13 02:11:06 -07004898 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004899 if (cp->val == 0x02)
Marcel Holtmanna1536da2015-03-13 02:11:01 -07004900 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004901 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -07004902 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004903 } else {
Marcel Holtmanna69d8922015-03-13 02:11:05 -07004904 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
Marcel Holtmanna358dc12015-03-13 02:11:02 -07004905 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
Johan Hedberg4375f102013-09-25 13:26:10 +03004906 }
4907
4908 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4909 if (err < 0)
4910 goto unlock;
4911
4912 if (changed)
4913 err = new_settings(hdev, sk);
4914
4915 goto unlock;
4916 }
4917
Johan Hedberg333ae952015-03-17 13:48:47 +02004918 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4919 pending_find(MGMT_OP_SET_LE, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02004920 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4921 MGMT_STATUS_BUSY);
Johan Hedberg4375f102013-09-25 13:26:10 +03004922 goto unlock;
4923 }
4924
4925 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4926 if (!cmd) {
4927 err = -ENOMEM;
4928 goto unlock;
4929 }
4930
4931 hci_req_init(&req, hdev);
4932
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004933 if (cp->val == 0x02)
Marcel Holtmanna1536da2015-03-13 02:11:01 -07004934 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004935 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -07004936 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
Marcel Holtmanncc91cb02015-03-12 22:30:58 -07004937
Florian Grandel7816b822015-06-18 03:16:45 +02004938 cancel_adv_timeout(hdev);
4939
Arman Uguray24b4f382015-03-23 15:57:12 -07004940 if (val) {
Florian Grandel7816b822015-06-18 03:16:45 +02004941 /* Switch to instance "0" for the Set Advertising setting.
4942 * We cannot use update_[adv|scan_rsp]_data() here as the
4943 * HCI_ADVERTISING flag is not yet set.
4944 */
Florian Grandelefae0022015-06-18 03:16:37 +02004945 update_inst_adv_data(&req, 0x00);
4946 update_inst_scan_rsp_data(&req, 0x00);
Marcel Holtmannbba3aa52013-10-06 02:55:21 -07004947 enable_advertising(&req);
Arman Uguray24b4f382015-03-23 15:57:12 -07004948 } else {
Marcel Holtmannbba3aa52013-10-06 02:55:21 -07004949 disable_advertising(&req);
Arman Uguray24b4f382015-03-23 15:57:12 -07004950 }
Johan Hedberg4375f102013-09-25 13:26:10 +03004951
4952 err = hci_req_run(&req, set_advertising_complete);
4953 if (err < 0)
4954 mgmt_pending_remove(cmd);
4955
4956unlock:
4957 hci_dev_unlock(hdev);
4958 return err;
4959}
4960
Marcel Holtmannd13eafc2013-10-02 04:41:30 -07004961static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4962 void *data, u16 len)
4963{
4964 struct mgmt_cp_set_static_address *cp = data;
4965 int err;
4966
4967 BT_DBG("%s", hdev->name);
4968
Marcel Holtmann62af4442013-10-02 22:10:32 -07004969 if (!lmp_le_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02004970 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4971 MGMT_STATUS_NOT_SUPPORTED);
Marcel Holtmannd13eafc2013-10-02 04:41:30 -07004972
4973 if (hdev_is_powered(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02004974 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4975 MGMT_STATUS_REJECTED);
Marcel Holtmannd13eafc2013-10-02 04:41:30 -07004976
4977 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4978 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
Johan Hedberga69e8372015-03-06 21:08:53 +02004979 return mgmt_cmd_status(sk, hdev->id,
4980 MGMT_OP_SET_STATIC_ADDRESS,
4981 MGMT_STATUS_INVALID_PARAMS);
Marcel Holtmannd13eafc2013-10-02 04:41:30 -07004982
4983 /* Two most significant bits shall be set */
4984 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
Johan Hedberga69e8372015-03-06 21:08:53 +02004985 return mgmt_cmd_status(sk, hdev->id,
4986 MGMT_OP_SET_STATIC_ADDRESS,
4987 MGMT_STATUS_INVALID_PARAMS);
Marcel Holtmannd13eafc2013-10-02 04:41:30 -07004988 }
4989
4990 hci_dev_lock(hdev);
4991
4992 bacpy(&hdev->static_addr, &cp->bdaddr);
4993
Marcel Holtmann93690c22015-03-06 10:11:21 -08004994 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
4995 if (err < 0)
4996 goto unlock;
Marcel Holtmannd13eafc2013-10-02 04:41:30 -07004997
Marcel Holtmann93690c22015-03-06 10:11:21 -08004998 err = new_settings(hdev, sk);
4999
5000unlock:
Marcel Holtmannd13eafc2013-10-02 04:41:30 -07005001 hci_dev_unlock(hdev);
Marcel Holtmannd13eafc2013-10-02 04:41:30 -07005002 return err;
5003}
5004
Marcel Holtmann14b49b92013-10-11 08:23:20 -07005005static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
5006 void *data, u16 len)
5007{
5008 struct mgmt_cp_set_scan_params *cp = data;
5009 __u16 interval, window;
5010 int err;
5011
5012 BT_DBG("%s", hdev->name);
5013
5014 if (!lmp_le_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02005015 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5016 MGMT_STATUS_NOT_SUPPORTED);
Marcel Holtmann14b49b92013-10-11 08:23:20 -07005017
5018 interval = __le16_to_cpu(cp->interval);
5019
5020 if (interval < 0x0004 || interval > 0x4000)
Johan Hedberga69e8372015-03-06 21:08:53 +02005021 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5022 MGMT_STATUS_INVALID_PARAMS);
Marcel Holtmann14b49b92013-10-11 08:23:20 -07005023
5024 window = __le16_to_cpu(cp->window);
5025
5026 if (window < 0x0004 || window > 0x4000)
Johan Hedberga69e8372015-03-06 21:08:53 +02005027 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5028 MGMT_STATUS_INVALID_PARAMS);
Marcel Holtmann14b49b92013-10-11 08:23:20 -07005029
Marcel Holtmann899e1072013-10-14 09:55:32 -07005030 if (window > interval)
Johan Hedberga69e8372015-03-06 21:08:53 +02005031 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5032 MGMT_STATUS_INVALID_PARAMS);
Marcel Holtmann899e1072013-10-14 09:55:32 -07005033
Marcel Holtmann14b49b92013-10-11 08:23:20 -07005034 hci_dev_lock(hdev);
5035
5036 hdev->le_scan_interval = interval;
5037 hdev->le_scan_window = window;
5038
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005039 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
5040 NULL, 0);
Marcel Holtmann14b49b92013-10-11 08:23:20 -07005041
Andre Guedesdd2ef8e2014-02-26 20:21:56 -03005042 /* If background scan is running, restart it so new parameters are
5043 * loaded.
5044 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005045 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
Andre Guedesdd2ef8e2014-02-26 20:21:56 -03005046 hdev->discovery.state == DISCOVERY_STOPPED) {
5047 struct hci_request req;
5048
5049 hci_req_init(&req, hdev);
5050
5051 hci_req_add_le_scan_disable(&req);
5052 hci_req_add_le_passive_scan(&req);
5053
5054 hci_req_run(&req, NULL);
5055 }
5056
Marcel Holtmann14b49b92013-10-11 08:23:20 -07005057 hci_dev_unlock(hdev);
5058
5059 return err;
5060}
5061
Marcel Holtmann1904a852015-01-11 13:50:44 -08005062static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
5063 u16 opcode)
Johan Hedberg33e38b32013-03-15 17:07:05 -05005064{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005065 struct mgmt_pending_cmd *cmd;
Johan Hedberg33e38b32013-03-15 17:07:05 -05005066
5067 BT_DBG("status 0x%02x", status);
5068
5069 hci_dev_lock(hdev);
5070
Johan Hedberg333ae952015-03-17 13:48:47 +02005071 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
Johan Hedberg33e38b32013-03-15 17:07:05 -05005072 if (!cmd)
5073 goto unlock;
5074
5075 if (status) {
Johan Hedberga69e8372015-03-06 21:08:53 +02005076 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5077 mgmt_status(status));
Johan Hedberg33e38b32013-03-15 17:07:05 -05005078 } else {
Johan Hedberg1a4d3c42013-03-15 17:07:08 -05005079 struct mgmt_mode *cp = cmd->param;
5080
5081 if (cp->val)
Marcel Holtmanna1536da2015-03-13 02:11:01 -07005082 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
Johan Hedberg1a4d3c42013-03-15 17:07:08 -05005083 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -07005084 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
Johan Hedberg1a4d3c42013-03-15 17:07:08 -05005085
Johan Hedberg33e38b32013-03-15 17:07:05 -05005086 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
5087 new_settings(hdev, cmd->sk);
5088 }
5089
5090 mgmt_pending_remove(cmd);
5091
5092unlock:
5093 hci_dev_unlock(hdev);
5094}
5095
Johan Hedbergbdb6d972012-02-28 06:13:32 +02005096static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03005097 void *data, u16 len)
Antti Julkuf6422ec2011-06-22 13:11:56 +03005098{
Vinicius Costa Gomes650f7262012-02-02 21:07:59 -03005099 struct mgmt_mode *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005100 struct mgmt_pending_cmd *cmd;
Johan Hedberg33e38b32013-03-15 17:07:05 -05005101 struct hci_request req;
Antti Julkuf6422ec2011-06-22 13:11:56 +03005102 int err;
5103
Johan Hedbergbdb6d972012-02-28 06:13:32 +02005104 BT_DBG("%s", hdev->name);
Antti Julkuf6422ec2011-06-22 13:11:56 +03005105
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005106 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
Johan Hedberg56f87902013-10-02 13:43:13 +03005107 hdev->hci_ver < BLUETOOTH_VER_1_2)
Johan Hedberga69e8372015-03-06 21:08:53 +02005108 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5109 MGMT_STATUS_NOT_SUPPORTED);
Johan Hedberg33c525c2012-10-24 21:11:58 +03005110
Johan Hedberga7e80f22013-01-09 16:05:19 +02005111 if (cp->val != 0x00 && cp->val != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02005112 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5113 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga7e80f22013-01-09 16:05:19 +02005114
Antti Julkuf6422ec2011-06-22 13:11:56 +03005115 hci_dev_lock(hdev);
5116
Johan Hedberg333ae952015-03-17 13:48:47 +02005117 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02005118 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5119 MGMT_STATUS_BUSY);
Johan Hedberg05cbf292013-03-15 17:07:07 -05005120 goto unlock;
5121 }
5122
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005123 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
Johan Hedberg1a4d3c42013-03-15 17:07:08 -05005124 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5125 hdev);
5126 goto unlock;
5127 }
5128
Johan Hedberg406ef2a2015-03-10 20:14:27 +02005129 if (!hdev_is_powered(hdev)) {
Marcel Holtmannce05d602015-03-13 02:11:03 -07005130 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
Johan Hedberg406ef2a2015-03-10 20:14:27 +02005131 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5132 hdev);
5133 new_settings(hdev, sk);
5134 goto unlock;
5135 }
5136
Johan Hedberg33e38b32013-03-15 17:07:05 -05005137 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
5138 data, len);
5139 if (!cmd) {
5140 err = -ENOMEM;
5141 goto unlock;
5142 }
5143
5144 hci_req_init(&req, hdev);
5145
Johan Hedberg406d7802013-03-15 17:07:09 -05005146 write_fast_connectable(&req, cp->val);
Johan Hedberg33e38b32013-03-15 17:07:05 -05005147
5148 err = hci_req_run(&req, fast_connectable_complete);
Antti Julkuf6422ec2011-06-22 13:11:56 +03005149 if (err < 0) {
Johan Hedberga69e8372015-03-06 21:08:53 +02005150 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5151 MGMT_STATUS_FAILED);
Johan Hedberg33e38b32013-03-15 17:07:05 -05005152 mgmt_pending_remove(cmd);
Antti Julkuf6422ec2011-06-22 13:11:56 +03005153 }
5154
Johan Hedberg33e38b32013-03-15 17:07:05 -05005155unlock:
Antti Julkuf6422ec2011-06-22 13:11:56 +03005156 hci_dev_unlock(hdev);
Johan Hedberg33e38b32013-03-15 17:07:05 -05005157
Antti Julkuf6422ec2011-06-22 13:11:56 +03005158 return err;
5159}
5160
Marcel Holtmann1904a852015-01-11 13:50:44 -08005161static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg0663ca22013-10-02 13:43:14 +03005162{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005163 struct mgmt_pending_cmd *cmd;
Johan Hedberg0663ca22013-10-02 13:43:14 +03005164
5165 BT_DBG("status 0x%02x", status);
5166
5167 hci_dev_lock(hdev);
5168
Johan Hedberg333ae952015-03-17 13:48:47 +02005169 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005170 if (!cmd)
5171 goto unlock;
5172
5173 if (status) {
5174 u8 mgmt_err = mgmt_status(status);
5175
5176 /* We need to restore the flag if related HCI commands
5177 * failed.
5178 */
Marcel Holtmanna358dc12015-03-13 02:11:02 -07005179 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005180
Johan Hedberga69e8372015-03-06 21:08:53 +02005181 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005182 } else {
5183 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
5184 new_settings(hdev, cmd->sk);
5185 }
5186
5187 mgmt_pending_remove(cmd);
5188
5189unlock:
5190 hci_dev_unlock(hdev);
5191}
5192
5193static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
5194{
5195 struct mgmt_mode *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005196 struct mgmt_pending_cmd *cmd;
Johan Hedberg0663ca22013-10-02 13:43:14 +03005197 struct hci_request req;
5198 int err;
5199
5200 BT_DBG("request for %s", hdev->name);
5201
5202 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02005203 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5204 MGMT_STATUS_NOT_SUPPORTED);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005205
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005206 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
Johan Hedberga69e8372015-03-06 21:08:53 +02005207 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5208 MGMT_STATUS_REJECTED);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005209
5210 if (cp->val != 0x00 && cp->val != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02005211 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5212 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005213
5214 hci_dev_lock(hdev);
5215
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005216 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
Johan Hedberg0663ca22013-10-02 13:43:14 +03005217 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5218 goto unlock;
5219 }
5220
5221 if (!hdev_is_powered(hdev)) {
5222 if (!cp->val) {
Marcel Holtmanna358dc12015-03-13 02:11:02 -07005223 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
5224 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
5225 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
5226 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
5227 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005228 }
5229
Marcel Holtmannce05d602015-03-13 02:11:03 -07005230 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005231
5232 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5233 if (err < 0)
5234 goto unlock;
5235
5236 err = new_settings(hdev, sk);
5237 goto unlock;
5238 }
5239
5240 /* Reject disabling when powered on */
5241 if (!cp->val) {
Johan Hedberga69e8372015-03-06 21:08:53 +02005242 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5243 MGMT_STATUS_REJECTED);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005244 goto unlock;
Marcel Holtmann111e4bc2015-01-14 14:40:42 -08005245 } else {
5246 /* When configuring a dual-mode controller to operate
5247 * with LE only and using a static address, then switching
5248 * BR/EDR back on is not allowed.
5249 *
5250 * Dual-mode controllers shall operate with the public
5251 * address as its identity address for BR/EDR and LE. So
5252 * reject the attempt to create an invalid configuration.
Marcel Holtmann3a5486e2015-01-22 11:15:21 -08005253 *
5254 * The same restrictions applies when secure connections
5255 * has been enabled. For BR/EDR this is a controller feature
5256 * while for LE it is a host stack feature. This means that
5257 * switching BR/EDR back on when secure connections has been
5258 * enabled is not a supported transaction.
Marcel Holtmann111e4bc2015-01-14 14:40:42 -08005259 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005260 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
Marcel Holtmann3a5486e2015-01-22 11:15:21 -08005261 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005262 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
Johan Hedberga69e8372015-03-06 21:08:53 +02005263 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5264 MGMT_STATUS_REJECTED);
Marcel Holtmann111e4bc2015-01-14 14:40:42 -08005265 goto unlock;
5266 }
Johan Hedberg0663ca22013-10-02 13:43:14 +03005267 }
5268
Johan Hedberg333ae952015-03-17 13:48:47 +02005269 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02005270 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5271 MGMT_STATUS_BUSY);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005272 goto unlock;
5273 }
5274
5275 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
5276 if (!cmd) {
5277 err = -ENOMEM;
5278 goto unlock;
5279 }
5280
Marcel Holtmann5947f4b2013-10-16 00:16:50 -07005281 /* We need to flip the bit already here so that update_adv_data
Johan Hedberg0663ca22013-10-02 13:43:14 +03005282 * generates the correct flags.
5283 */
Marcel Holtmanna1536da2015-03-13 02:11:01 -07005284 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
Johan Hedberg0663ca22013-10-02 13:43:14 +03005285
5286 hci_req_init(&req, hdev);
Johan Hedbergaa8af462013-10-14 21:15:26 +03005287
Johan Hedberg432df052014-08-01 11:13:31 +03005288 write_fast_connectable(&req, false);
Johan Hedberg1d2dc5b2014-12-19 13:40:19 +02005289 __hci_update_page_scan(&req);
Johan Hedbergaa8af462013-10-14 21:15:26 +03005290
Marcel Holtmannf14d8f62013-10-16 00:16:48 -07005291 /* Since only the advertising data flags will change, there
5292 * is no need to update the scan response data.
5293 */
Marcel Holtmann5947f4b2013-10-16 00:16:50 -07005294 update_adv_data(&req);
Johan Hedbergaa8af462013-10-14 21:15:26 +03005295
Johan Hedberg0663ca22013-10-02 13:43:14 +03005296 err = hci_req_run(&req, set_bredr_complete);
5297 if (err < 0)
5298 mgmt_pending_remove(cmd);
5299
5300unlock:
5301 hci_dev_unlock(hdev);
5302 return err;
5303}
5304
Johan Hedberga1443f52015-01-23 15:42:46 +02005305static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5306{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005307 struct mgmt_pending_cmd *cmd;
Johan Hedberga1443f52015-01-23 15:42:46 +02005308 struct mgmt_mode *cp;
5309
5310 BT_DBG("%s status %u", hdev->name, status);
5311
5312 hci_dev_lock(hdev);
5313
Johan Hedberg333ae952015-03-17 13:48:47 +02005314 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
Johan Hedberga1443f52015-01-23 15:42:46 +02005315 if (!cmd)
5316 goto unlock;
5317
5318 if (status) {
Johan Hedberga69e8372015-03-06 21:08:53 +02005319 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5320 mgmt_status(status));
Johan Hedberga1443f52015-01-23 15:42:46 +02005321 goto remove;
5322 }
5323
5324 cp = cmd->param;
5325
5326 switch (cp->val) {
5327 case 0x00:
Marcel Holtmanna358dc12015-03-13 02:11:02 -07005328 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
5329 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
Johan Hedberga1443f52015-01-23 15:42:46 +02005330 break;
5331 case 0x01:
Marcel Holtmanna1536da2015-03-13 02:11:01 -07005332 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
Marcel Holtmanna358dc12015-03-13 02:11:02 -07005333 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
Johan Hedberga1443f52015-01-23 15:42:46 +02005334 break;
5335 case 0x02:
Marcel Holtmanna1536da2015-03-13 02:11:01 -07005336 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
5337 hci_dev_set_flag(hdev, HCI_SC_ONLY);
Johan Hedberga1443f52015-01-23 15:42:46 +02005338 break;
5339 }
5340
5341 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
5342 new_settings(hdev, cmd->sk);
5343
5344remove:
5345 mgmt_pending_remove(cmd);
5346unlock:
5347 hci_dev_unlock(hdev);
5348}
5349
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08005350static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
5351 void *data, u16 len)
5352{
5353 struct mgmt_mode *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005354 struct mgmt_pending_cmd *cmd;
Johan Hedberga1443f52015-01-23 15:42:46 +02005355 struct hci_request req;
Johan Hedberga3209692014-05-26 11:23:35 +03005356 u8 val;
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08005357 int err;
5358
5359 BT_DBG("request for %s", hdev->name);
5360
Marcel Holtmann05b3c3e2014-12-31 14:43:18 -08005361 if (!lmp_sc_capable(hdev) &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005362 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
Johan Hedberga69e8372015-03-06 21:08:53 +02005363 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5364 MGMT_STATUS_NOT_SUPPORTED);
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08005365
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005366 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
Johan Hedberg59200282015-01-28 19:56:00 +02005367 lmp_sc_capable(hdev) &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005368 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
Johan Hedberga69e8372015-03-06 21:08:53 +02005369 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5370 MGMT_STATUS_REJECTED);
Marcel Holtmanned93ec62015-01-22 11:15:22 -08005371
Marcel Holtmann0ab04a92014-02-01 09:19:57 -08005372 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
Johan Hedberga69e8372015-03-06 21:08:53 +02005373 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08005374 MGMT_STATUS_INVALID_PARAMS);
5375
5376 hci_dev_lock(hdev);
5377
Marcel Holtmann05b3c3e2014-12-31 14:43:18 -08005378 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005379 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08005380 bool changed;
5381
Marcel Holtmann0ab04a92014-02-01 09:19:57 -08005382 if (cp->val) {
Marcel Holtmann238be782015-03-13 02:11:06 -07005383 changed = !hci_dev_test_and_set_flag(hdev,
5384 HCI_SC_ENABLED);
Marcel Holtmann0ab04a92014-02-01 09:19:57 -08005385 if (cp->val == 0x02)
Marcel Holtmanna1536da2015-03-13 02:11:01 -07005386 hci_dev_set_flag(hdev, HCI_SC_ONLY);
Marcel Holtmann0ab04a92014-02-01 09:19:57 -08005387 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -07005388 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
Marcel Holtmann0ab04a92014-02-01 09:19:57 -08005389 } else {
Marcel Holtmanna69d8922015-03-13 02:11:05 -07005390 changed = hci_dev_test_and_clear_flag(hdev,
5391 HCI_SC_ENABLED);
Marcel Holtmanna358dc12015-03-13 02:11:02 -07005392 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
Marcel Holtmann0ab04a92014-02-01 09:19:57 -08005393 }
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08005394
5395 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5396 if (err < 0)
5397 goto failed;
5398
5399 if (changed)
5400 err = new_settings(hdev, sk);
5401
5402 goto failed;
5403 }
5404
Johan Hedberg333ae952015-03-17 13:48:47 +02005405 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
Johan Hedberga69e8372015-03-06 21:08:53 +02005406 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5407 MGMT_STATUS_BUSY);
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08005408 goto failed;
5409 }
5410
Marcel Holtmann0ab04a92014-02-01 09:19:57 -08005411 val = !!cp->val;
5412
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005413 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5414 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08005415 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5416 goto failed;
5417 }
5418
5419 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
5420 if (!cmd) {
5421 err = -ENOMEM;
5422 goto failed;
5423 }
5424
Johan Hedberga1443f52015-01-23 15:42:46 +02005425 hci_req_init(&req, hdev);
5426 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
5427 err = hci_req_run(&req, sc_enable_complete);
Marcel Holtmanneac83dc2014-01-10 02:07:23 -08005428 if (err < 0) {
5429 mgmt_pending_remove(cmd);
5430 goto failed;
5431 }
5432
5433failed:
5434 hci_dev_unlock(hdev);
5435 return err;
5436}
5437
Marcel Holtmann4e39ac82014-01-31 11:55:22 -08005438static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
5439 void *data, u16 len)
5440{
5441 struct mgmt_mode *cp = data;
Johan Hedbergb97109792014-06-24 14:00:28 +03005442 bool changed, use_changed;
Marcel Holtmann4e39ac82014-01-31 11:55:22 -08005443 int err;
5444
5445 BT_DBG("request for %s", hdev->name);
5446
Johan Hedbergb97109792014-06-24 14:00:28 +03005447 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
Johan Hedberga69e8372015-03-06 21:08:53 +02005448 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
5449 MGMT_STATUS_INVALID_PARAMS);
Marcel Holtmann4e39ac82014-01-31 11:55:22 -08005450
5451 hci_dev_lock(hdev);
5452
5453 if (cp->val)
Marcel Holtmann238be782015-03-13 02:11:06 -07005454 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
Marcel Holtmann4e39ac82014-01-31 11:55:22 -08005455 else
Marcel Holtmanna69d8922015-03-13 02:11:05 -07005456 changed = hci_dev_test_and_clear_flag(hdev,
5457 HCI_KEEP_DEBUG_KEYS);
Marcel Holtmann4e39ac82014-01-31 11:55:22 -08005458
Johan Hedbergb97109792014-06-24 14:00:28 +03005459 if (cp->val == 0x02)
Marcel Holtmann238be782015-03-13 02:11:06 -07005460 use_changed = !hci_dev_test_and_set_flag(hdev,
5461 HCI_USE_DEBUG_KEYS);
Johan Hedbergb97109792014-06-24 14:00:28 +03005462 else
Marcel Holtmanna69d8922015-03-13 02:11:05 -07005463 use_changed = hci_dev_test_and_clear_flag(hdev,
5464 HCI_USE_DEBUG_KEYS);
Johan Hedbergb97109792014-06-24 14:00:28 +03005465
5466 if (hdev_is_powered(hdev) && use_changed &&
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07005467 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
Johan Hedbergb97109792014-06-24 14:00:28 +03005468 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
5469 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
5470 sizeof(mode), &mode);
5471 }
5472
Marcel Holtmann4e39ac82014-01-31 11:55:22 -08005473 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
5474 if (err < 0)
5475 goto unlock;
5476
5477 if (changed)
5478 err = new_settings(hdev, sk);
5479
5480unlock:
5481 hci_dev_unlock(hdev);
5482 return err;
5483}
5484
Johan Hedberg62b04cd2014-02-23 19:42:27 +02005485static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5486 u16 len)
5487{
5488 struct mgmt_cp_set_privacy *cp = cp_data;
5489 bool changed;
5490 int err;
5491
5492 BT_DBG("request for %s", hdev->name);
5493
5494 if (!lmp_le_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02005495 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5496 MGMT_STATUS_NOT_SUPPORTED);
Johan Hedberg62b04cd2014-02-23 19:42:27 +02005497
5498 if (cp->privacy != 0x00 && cp->privacy != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02005499 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5500 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg62b04cd2014-02-23 19:42:27 +02005501
5502 if (hdev_is_powered(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02005503 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5504 MGMT_STATUS_REJECTED);
Johan Hedberg62b04cd2014-02-23 19:42:27 +02005505
5506 hci_dev_lock(hdev);
5507
Johan Hedbergc21c0ea2014-02-24 11:10:30 +02005508 /* If user space supports this command it is also expected to
5509 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
5510 */
Marcel Holtmanna1536da2015-03-13 02:11:01 -07005511 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
Johan Hedbergc21c0ea2014-02-24 11:10:30 +02005512
Johan Hedberg62b04cd2014-02-23 19:42:27 +02005513 if (cp->privacy) {
Marcel Holtmann238be782015-03-13 02:11:06 -07005514 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
Johan Hedberg62b04cd2014-02-23 19:42:27 +02005515 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
Marcel Holtmanna1536da2015-03-13 02:11:01 -07005516 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
Johan Hedberg62b04cd2014-02-23 19:42:27 +02005517 } else {
Marcel Holtmanna69d8922015-03-13 02:11:05 -07005518 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
Johan Hedberg62b04cd2014-02-23 19:42:27 +02005519 memset(hdev->irk, 0, sizeof(hdev->irk));
Marcel Holtmanna358dc12015-03-13 02:11:02 -07005520 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
Johan Hedberg62b04cd2014-02-23 19:42:27 +02005521 }
5522
5523 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
5524 if (err < 0)
5525 goto unlock;
5526
5527 if (changed)
5528 err = new_settings(hdev, sk);
5529
5530unlock:
5531 hci_dev_unlock(hdev);
5532 return err;
5533}
5534
Johan Hedberg41edf162014-02-18 10:19:35 +02005535static bool irk_is_valid(struct mgmt_irk_info *irk)
5536{
5537 switch (irk->addr.type) {
5538 case BDADDR_LE_PUBLIC:
5539 return true;
5540
5541 case BDADDR_LE_RANDOM:
5542 /* Two most significant bits shall be set */
5543 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5544 return false;
5545 return true;
5546 }
5547
5548 return false;
5549}
5550
5551static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5552 u16 len)
5553{
5554 struct mgmt_cp_load_irks *cp = cp_data;
Johan Hedbergba1d6932014-07-03 13:52:27 +03005555 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
5556 sizeof(struct mgmt_irk_info));
Johan Hedberg41edf162014-02-18 10:19:35 +02005557 u16 irk_count, expected_len;
5558 int i, err;
5559
5560 BT_DBG("request for %s", hdev->name);
5561
5562 if (!lmp_le_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02005563 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5564 MGMT_STATUS_NOT_SUPPORTED);
Johan Hedberg41edf162014-02-18 10:19:35 +02005565
5566 irk_count = __le16_to_cpu(cp->irk_count);
Johan Hedbergba1d6932014-07-03 13:52:27 +03005567 if (irk_count > max_irk_count) {
5568 BT_ERR("load_irks: too big irk_count value %u", irk_count);
Johan Hedberga69e8372015-03-06 21:08:53 +02005569 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5570 MGMT_STATUS_INVALID_PARAMS);
Johan Hedbergba1d6932014-07-03 13:52:27 +03005571 }
Johan Hedberg41edf162014-02-18 10:19:35 +02005572
5573 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
5574 if (expected_len != len) {
5575 BT_ERR("load_irks: expected %u bytes, got %u bytes",
Johan Hedberg2606ecb2014-03-07 15:04:13 +02005576 expected_len, len);
Johan Hedberga69e8372015-03-06 21:08:53 +02005577 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5578 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg41edf162014-02-18 10:19:35 +02005579 }
5580
5581 BT_DBG("%s irk_count %u", hdev->name, irk_count);
5582
5583 for (i = 0; i < irk_count; i++) {
5584 struct mgmt_irk_info *key = &cp->irks[i];
5585
5586 if (!irk_is_valid(key))
Johan Hedberga69e8372015-03-06 21:08:53 +02005587 return mgmt_cmd_status(sk, hdev->id,
5588 MGMT_OP_LOAD_IRKS,
5589 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg41edf162014-02-18 10:19:35 +02005590 }
5591
5592 hci_dev_lock(hdev);
5593
5594 hci_smp_irks_clear(hdev);
5595
5596 for (i = 0; i < irk_count; i++) {
5597 struct mgmt_irk_info *irk = &cp->irks[i];
5598 u8 addr_type;
5599
5600 if (irk->addr.type == BDADDR_LE_PUBLIC)
5601 addr_type = ADDR_LE_DEV_PUBLIC;
5602 else
5603 addr_type = ADDR_LE_DEV_RANDOM;
5604
5605 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
5606 BDADDR_ANY);
5607 }
5608
Marcel Holtmanna1536da2015-03-13 02:11:01 -07005609 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
Johan Hedberg41edf162014-02-18 10:19:35 +02005610
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005611 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
Johan Hedberg41edf162014-02-18 10:19:35 +02005612
5613 hci_dev_unlock(hdev);
5614
5615 return err;
5616}
5617
Johan Hedberg3f706b72013-01-20 14:27:16 +02005618static bool ltk_is_valid(struct mgmt_ltk_info *key)
5619{
5620 if (key->master != 0x00 && key->master != 0x01)
5621 return false;
Marcel Holtmann490cb0b2014-02-16 12:59:05 -08005622
5623 switch (key->addr.type) {
5624 case BDADDR_LE_PUBLIC:
5625 return true;
5626
5627 case BDADDR_LE_RANDOM:
5628 /* Two most significant bits shall be set */
5629 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5630 return false;
5631 return true;
5632 }
5633
5634 return false;
Johan Hedberg3f706b72013-01-20 14:27:16 +02005635}
5636
Johan Hedbergbdb6d972012-02-28 06:13:32 +02005637static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03005638 void *cp_data, u16 len)
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005639{
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005640 struct mgmt_cp_load_long_term_keys *cp = cp_data;
Johan Hedbergba1d6932014-07-03 13:52:27 +03005641 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
5642 sizeof(struct mgmt_ltk_info));
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005643 u16 key_count, expected_len;
Johan Hedberg715a5bf2013-01-09 15:29:34 +02005644 int i, err;
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005645
Marcel Holtmanncf99ba12013-10-02 21:16:08 -07005646 BT_DBG("request for %s", hdev->name);
5647
5648 if (!lmp_le_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02005649 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5650 MGMT_STATUS_NOT_SUPPORTED);
Marcel Holtmanncf99ba12013-10-02 21:16:08 -07005651
Marcel Holtmann1f350c82012-03-12 20:31:08 -07005652 key_count = __le16_to_cpu(cp->key_count);
Johan Hedbergba1d6932014-07-03 13:52:27 +03005653 if (key_count > max_key_count) {
5654 BT_ERR("load_ltks: too big key_count value %u", key_count);
Johan Hedberga69e8372015-03-06 21:08:53 +02005655 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5656 MGMT_STATUS_INVALID_PARAMS);
Johan Hedbergba1d6932014-07-03 13:52:27 +03005657 }
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005658
5659 expected_len = sizeof(*cp) + key_count *
5660 sizeof(struct mgmt_ltk_info);
5661 if (expected_len != len) {
5662 BT_ERR("load_keys: expected %u bytes, got %u bytes",
Johan Hedberg2606ecb2014-03-07 15:04:13 +02005663 expected_len, len);
Johan Hedberga69e8372015-03-06 21:08:53 +02005664 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5665 MGMT_STATUS_INVALID_PARAMS);
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005666 }
5667
Johan Hedbergbdb6d972012-02-28 06:13:32 +02005668 BT_DBG("%s key_count %u", hdev->name, key_count);
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005669
Johan Hedberg54ad6d82013-01-20 14:27:15 +02005670 for (i = 0; i < key_count; i++) {
5671 struct mgmt_ltk_info *key = &cp->keys[i];
5672
Johan Hedberg3f706b72013-01-20 14:27:16 +02005673 if (!ltk_is_valid(key))
Johan Hedberga69e8372015-03-06 21:08:53 +02005674 return mgmt_cmd_status(sk, hdev->id,
5675 MGMT_OP_LOAD_LONG_TERM_KEYS,
5676 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg54ad6d82013-01-20 14:27:15 +02005677 }
5678
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005679 hci_dev_lock(hdev);
5680
5681 hci_smp_ltks_clear(hdev);
5682
5683 for (i = 0; i < key_count; i++) {
5684 struct mgmt_ltk_info *key = &cp->keys[i];
Johan Hedbergd7b25452014-05-23 13:19:53 +03005685 u8 type, addr_type, authenticated;
Marcel Holtmann79d95a12013-10-13 03:57:38 -07005686
5687 if (key->addr.type == BDADDR_LE_PUBLIC)
5688 addr_type = ADDR_LE_DEV_PUBLIC;
5689 else
5690 addr_type = ADDR_LE_DEV_RANDOM;
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005691
Johan Hedberg61b43352014-05-29 19:36:53 +03005692 switch (key->type) {
5693 case MGMT_LTK_UNAUTHENTICATED:
Johan Hedbergd7b25452014-05-23 13:19:53 +03005694 authenticated = 0x00;
Johan Hedberg23fb8de2014-05-23 13:15:37 +03005695 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
Johan Hedberg61b43352014-05-29 19:36:53 +03005696 break;
5697 case MGMT_LTK_AUTHENTICATED:
Johan Hedbergd7b25452014-05-23 13:19:53 +03005698 authenticated = 0x01;
Johan Hedberg23fb8de2014-05-23 13:15:37 +03005699 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
Johan Hedberg61b43352014-05-29 19:36:53 +03005700 break;
Johan Hedberg23fb8de2014-05-23 13:15:37 +03005701 case MGMT_LTK_P256_UNAUTH:
5702 authenticated = 0x00;
5703 type = SMP_LTK_P256;
5704 break;
5705 case MGMT_LTK_P256_AUTH:
5706 authenticated = 0x01;
5707 type = SMP_LTK_P256;
5708 break;
5709 case MGMT_LTK_P256_DEBUG:
5710 authenticated = 0x00;
5711 type = SMP_LTK_P256_DEBUG;
Johan Hedberg61b43352014-05-29 19:36:53 +03005712 default:
5713 continue;
5714 }
Johan Hedbergd7b25452014-05-23 13:19:53 +03005715
Johan Hedberg35d70272014-02-19 14:57:47 +02005716 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
Johan Hedbergd7b25452014-05-23 13:19:53 +03005717 authenticated, key->val, key->enc_size, key->ediv,
Johan Hedberg35d70272014-02-19 14:57:47 +02005718 key->rand);
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005719 }
5720
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005721 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
Johan Hedberg715a5bf2013-01-09 15:29:34 +02005722 NULL, 0);
5723
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005724 hci_dev_unlock(hdev);
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005725
Johan Hedberg715a5bf2013-01-09 15:29:34 +02005726 return err;
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03005727}
5728
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005729static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005730{
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005731 struct hci_conn *conn = cmd->user_data;
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005732 struct mgmt_rp_get_conn_info rp;
Johan Hedberg9df74652014-12-19 22:26:03 +02005733 int err;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005734
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005735 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005736
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005737 if (status == MGMT_STATUS_SUCCESS) {
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005738 rp.rssi = conn->rssi;
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005739 rp.tx_power = conn->tx_power;
5740 rp.max_tx_power = conn->max_tx_power;
5741 } else {
5742 rp.rssi = HCI_RSSI_INVALID;
5743 rp.tx_power = HCI_TX_POWER_INVALID;
5744 rp.max_tx_power = HCI_TX_POWER_INVALID;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005745 }
5746
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005747 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
5748 status, &rp, sizeof(rp));
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005749
5750 hci_conn_drop(conn);
Johan Hedbergf8aaf9b2014-08-17 23:28:57 +03005751 hci_conn_put(conn);
Johan Hedberg9df74652014-12-19 22:26:03 +02005752
5753 return err;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005754}
5755
Marcel Holtmann1904a852015-01-11 13:50:44 -08005756static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
5757 u16 opcode)
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005758{
5759 struct hci_cp_read_rssi *cp;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005760 struct mgmt_pending_cmd *cmd;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005761 struct hci_conn *conn;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005762 u16 handle;
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005763 u8 status;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005764
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005765 BT_DBG("status 0x%02x", hci_status);
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005766
5767 hci_dev_lock(hdev);
5768
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005769 /* Commands sent in request are either Read RSSI or Read Transmit Power
5770 * Level so we check which one was last sent to retrieve connection
5771 * handle. Both commands have handle as first parameter so it's safe to
5772 * cast data on the same command struct.
5773 *
5774 * First command sent is always Read RSSI and we fail only if it fails.
5775 * In other case we simply override error to indicate success as we
5776 * already remembered if TX power value is actually valid.
5777 */
5778 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5779 if (!cp) {
5780 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005781 status = MGMT_STATUS_SUCCESS;
5782 } else {
5783 status = mgmt_status(hci_status);
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005784 }
5785
5786 if (!cp) {
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005787 BT_ERR("invalid sent_cmd in conn_info response");
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005788 goto unlock;
5789 }
5790
5791 handle = __le16_to_cpu(cp->handle);
5792 conn = hci_conn_hash_lookup_handle(hdev, handle);
5793 if (!conn) {
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005794 BT_ERR("unknown handle (%d) in conn_info response", handle);
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005795 goto unlock;
5796 }
5797
Johan Hedberg333ae952015-03-17 13:48:47 +02005798 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005799 if (!cmd)
5800 goto unlock;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005801
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005802 cmd->cmd_complete(cmd, status);
5803 mgmt_pending_remove(cmd);
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005804
5805unlock:
5806 hci_dev_unlock(hdev);
5807}
5808
5809static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5810 u16 len)
5811{
5812 struct mgmt_cp_get_conn_info *cp = data;
5813 struct mgmt_rp_get_conn_info rp;
5814 struct hci_conn *conn;
5815 unsigned long conn_info_age;
5816 int err = 0;
5817
5818 BT_DBG("%s", hdev->name);
5819
5820 memset(&rp, 0, sizeof(rp));
5821 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5822 rp.addr.type = cp->addr.type;
5823
5824 if (!bdaddr_type_is_valid(cp->addr.type))
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005825 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5826 MGMT_STATUS_INVALID_PARAMS,
5827 &rp, sizeof(rp));
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005828
5829 hci_dev_lock(hdev);
5830
5831 if (!hdev_is_powered(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005832 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5833 MGMT_STATUS_NOT_POWERED, &rp,
5834 sizeof(rp));
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005835 goto unlock;
5836 }
5837
5838 if (cp->addr.type == BDADDR_BREDR)
5839 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5840 &cp->addr.bdaddr);
5841 else
5842 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5843
5844 if (!conn || conn->state != BT_CONNECTED) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005845 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5846 MGMT_STATUS_NOT_CONNECTED, &rp,
5847 sizeof(rp));
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005848 goto unlock;
5849 }
5850
Johan Hedberg333ae952015-03-17 13:48:47 +02005851 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005852 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5853 MGMT_STATUS_BUSY, &rp, sizeof(rp));
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005854 goto unlock;
5855 }
5856
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005857 /* To avoid client trying to guess when to poll again for information we
5858 * calculate conn info age as random value between min/max set in hdev.
5859 */
5860 conn_info_age = hdev->conn_info_min_age +
5861 prandom_u32_max(hdev->conn_info_max_age -
5862 hdev->conn_info_min_age);
5863
5864 /* Query controller to refresh cached values if they are too old or were
5865 * never read.
5866 */
Andrzej Kaczmarekf4e2dd52014-05-16 16:48:57 +02005867 if (time_after(jiffies, conn->conn_info_timestamp +
5868 msecs_to_jiffies(conn_info_age)) ||
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005869 !conn->conn_info_timestamp) {
5870 struct hci_request req;
5871 struct hci_cp_read_tx_power req_txp_cp;
5872 struct hci_cp_read_rssi req_rssi_cp;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005873 struct mgmt_pending_cmd *cmd;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005874
5875 hci_req_init(&req, hdev);
5876 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5877 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5878 &req_rssi_cp);
5879
Andrzej Kaczmarekf7faab02014-05-14 13:43:04 +02005880 /* For LE links TX power does not change thus we don't need to
5881 * query for it once value is known.
5882 */
5883 if (!bdaddr_type_is_le(cp->addr.type) ||
5884 conn->tx_power == HCI_TX_POWER_INVALID) {
5885 req_txp_cp.handle = cpu_to_le16(conn->handle);
5886 req_txp_cp.type = 0x00;
5887 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5888 sizeof(req_txp_cp), &req_txp_cp);
5889 }
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005890
Andrzej Kaczmarekeed5daf2014-05-14 13:43:06 +02005891 /* Max TX power needs to be read only once per connection */
5892 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5893 req_txp_cp.handle = cpu_to_le16(conn->handle);
5894 req_txp_cp.type = 0x01;
5895 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5896 sizeof(req_txp_cp), &req_txp_cp);
5897 }
5898
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005899 err = hci_req_run(&req, conn_info_refresh_complete);
5900 if (err < 0)
5901 goto unlock;
5902
5903 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5904 data, len);
5905 if (!cmd) {
5906 err = -ENOMEM;
5907 goto unlock;
5908 }
5909
5910 hci_conn_hold(conn);
Johan Hedbergf8aaf9b2014-08-17 23:28:57 +03005911 cmd->user_data = hci_conn_get(conn);
Johan Hedberg9981bdb2014-12-05 13:42:57 +02005912 cmd->cmd_complete = conn_info_cmd_complete;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005913
5914 conn->conn_info_timestamp = jiffies;
5915 } else {
5916 /* Cache is valid, just reply with values cached in hci_conn */
5917 rp.rssi = conn->rssi;
5918 rp.tx_power = conn->tx_power;
Andrzej Kaczmarekeed5daf2014-05-14 13:43:06 +02005919 rp.max_tx_power = conn->max_tx_power;
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005920
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005921 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5922 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
Andrzej Kaczmarekdd983802014-05-14 13:43:03 +02005923 }
5924
5925unlock:
5926 hci_dev_unlock(hdev);
5927 return err;
5928}
5929
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005930static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
Johan Hedberg69487372014-12-05 13:36:07 +02005931{
5932 struct hci_conn *conn = cmd->user_data;
5933 struct mgmt_rp_get_clock_info rp;
5934 struct hci_dev *hdev;
Johan Hedberg9df74652014-12-19 22:26:03 +02005935 int err;
Johan Hedberg69487372014-12-05 13:36:07 +02005936
5937 memset(&rp, 0, sizeof(rp));
5938 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
5939
5940 if (status)
5941 goto complete;
5942
5943 hdev = hci_dev_get(cmd->index);
5944 if (hdev) {
5945 rp.local_clock = cpu_to_le32(hdev->clock);
5946 hci_dev_put(hdev);
5947 }
5948
5949 if (conn) {
5950 rp.piconet_clock = cpu_to_le32(conn->clock);
5951 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5952 }
5953
5954complete:
Johan Hedberg2a1afb52015-03-06 21:08:54 +02005955 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
5956 sizeof(rp));
Johan Hedberg69487372014-12-05 13:36:07 +02005957
5958 if (conn) {
5959 hci_conn_drop(conn);
5960 hci_conn_put(conn);
5961 }
Johan Hedberg9df74652014-12-19 22:26:03 +02005962
5963 return err;
Johan Hedberg69487372014-12-05 13:36:07 +02005964}
5965
Marcel Holtmann1904a852015-01-11 13:50:44 -08005966static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg95868422014-06-28 17:54:07 +03005967{
Johan Hedberg95868422014-06-28 17:54:07 +03005968 struct hci_cp_read_clock *hci_cp;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02005969 struct mgmt_pending_cmd *cmd;
Johan Hedberg95868422014-06-28 17:54:07 +03005970 struct hci_conn *conn;
5971
5972 BT_DBG("%s status %u", hdev->name, status);
5973
5974 hci_dev_lock(hdev);
5975
5976 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5977 if (!hci_cp)
5978 goto unlock;
5979
5980 if (hci_cp->which) {
5981 u16 handle = __le16_to_cpu(hci_cp->handle);
5982 conn = hci_conn_hash_lookup_handle(hdev, handle);
5983 } else {
5984 conn = NULL;
5985 }
5986
Johan Hedberg333ae952015-03-17 13:48:47 +02005987 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
Johan Hedberg95868422014-06-28 17:54:07 +03005988 if (!cmd)
5989 goto unlock;
5990
Johan Hedberg69487372014-12-05 13:36:07 +02005991 cmd->cmd_complete(cmd, mgmt_status(status));
Johan Hedberg95868422014-06-28 17:54:07 +03005992 mgmt_pending_remove(cmd);
Johan Hedberg95868422014-06-28 17:54:07 +03005993
5994unlock:
5995 hci_dev_unlock(hdev);
5996}
5997
5998static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5999 u16 len)
6000{
6001 struct mgmt_cp_get_clock_info *cp = data;
6002 struct mgmt_rp_get_clock_info rp;
6003 struct hci_cp_read_clock hci_cp;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02006004 struct mgmt_pending_cmd *cmd;
Johan Hedberg95868422014-06-28 17:54:07 +03006005 struct hci_request req;
6006 struct hci_conn *conn;
6007 int err;
6008
6009 BT_DBG("%s", hdev->name);
6010
6011 memset(&rp, 0, sizeof(rp));
6012 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6013 rp.addr.type = cp->addr.type;
6014
6015 if (cp->addr.type != BDADDR_BREDR)
Johan Hedberg2a1afb52015-03-06 21:08:54 +02006016 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6017 MGMT_STATUS_INVALID_PARAMS,
6018 &rp, sizeof(rp));
Johan Hedberg95868422014-06-28 17:54:07 +03006019
6020 hci_dev_lock(hdev);
6021
6022 if (!hdev_is_powered(hdev)) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02006023 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6024 MGMT_STATUS_NOT_POWERED, &rp,
6025 sizeof(rp));
Johan Hedberg95868422014-06-28 17:54:07 +03006026 goto unlock;
6027 }
6028
6029 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
6030 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
6031 &cp->addr.bdaddr);
6032 if (!conn || conn->state != BT_CONNECTED) {
Johan Hedberg2a1afb52015-03-06 21:08:54 +02006033 err = mgmt_cmd_complete(sk, hdev->id,
6034 MGMT_OP_GET_CLOCK_INFO,
6035 MGMT_STATUS_NOT_CONNECTED,
6036 &rp, sizeof(rp));
Johan Hedberg95868422014-06-28 17:54:07 +03006037 goto unlock;
6038 }
6039 } else {
6040 conn = NULL;
6041 }
6042
6043 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
6044 if (!cmd) {
6045 err = -ENOMEM;
6046 goto unlock;
6047 }
6048
Johan Hedberg69487372014-12-05 13:36:07 +02006049 cmd->cmd_complete = clock_info_cmd_complete;
6050
Johan Hedberg95868422014-06-28 17:54:07 +03006051 hci_req_init(&req, hdev);
6052
6053 memset(&hci_cp, 0, sizeof(hci_cp));
6054 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6055
6056 if (conn) {
6057 hci_conn_hold(conn);
Johan Hedbergf8aaf9b2014-08-17 23:28:57 +03006058 cmd->user_data = hci_conn_get(conn);
Johan Hedberg95868422014-06-28 17:54:07 +03006059
6060 hci_cp.handle = cpu_to_le16(conn->handle);
6061 hci_cp.which = 0x01; /* Piconet clock */
6062 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6063 }
6064
6065 err = hci_req_run(&req, get_clock_info_complete);
6066 if (err < 0)
6067 mgmt_pending_remove(cmd);
6068
6069unlock:
6070 hci_dev_unlock(hdev);
6071 return err;
6072}
6073
Johan Hedberg5a154e62014-12-19 22:26:02 +02006074static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
6075{
6076 struct hci_conn *conn;
6077
6078 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
6079 if (!conn)
6080 return false;
6081
6082 if (conn->dst_type != type)
6083 return false;
6084
6085 if (conn->state != BT_CONNECTED)
6086 return false;
6087
6088 return true;
6089}
6090
6091/* This function requires the caller holds hdev->lock */
6092static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr,
6093 u8 addr_type, u8 auto_connect)
6094{
6095 struct hci_dev *hdev = req->hdev;
6096 struct hci_conn_params *params;
6097
6098 params = hci_conn_params_add(hdev, addr, addr_type);
6099 if (!params)
6100 return -EIO;
6101
6102 if (params->auto_connect == auto_connect)
6103 return 0;
6104
6105 list_del_init(&params->action);
6106
6107 switch (auto_connect) {
6108 case HCI_AUTO_CONN_DISABLED:
6109 case HCI_AUTO_CONN_LINK_LOSS:
6110 __hci_update_background_scan(req);
6111 break;
6112 case HCI_AUTO_CONN_REPORT:
6113 list_add(&params->action, &hdev->pend_le_reports);
6114 __hci_update_background_scan(req);
6115 break;
6116 case HCI_AUTO_CONN_DIRECT:
6117 case HCI_AUTO_CONN_ALWAYS:
6118 if (!is_connected(hdev, addr, addr_type)) {
6119 list_add(&params->action, &hdev->pend_le_conns);
6120 __hci_update_background_scan(req);
6121 }
6122 break;
6123 }
6124
6125 params->auto_connect = auto_connect;
6126
6127 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
6128 auto_connect);
6129
6130 return 0;
6131}
6132
Marcel Holtmann8afef092014-06-29 22:28:34 +02006133static void device_added(struct sock *sk, struct hci_dev *hdev,
6134 bdaddr_t *bdaddr, u8 type, u8 action)
6135{
6136 struct mgmt_ev_device_added ev;
6137
6138 bacpy(&ev.addr.bdaddr, bdaddr);
6139 ev.addr.type = type;
6140 ev.action = action;
6141
6142 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
6143}
6144
Marcel Holtmann1904a852015-01-11 13:50:44 -08006145static void add_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg5a154e62014-12-19 22:26:02 +02006146{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02006147 struct mgmt_pending_cmd *cmd;
Johan Hedberg5a154e62014-12-19 22:26:02 +02006148
6149 BT_DBG("status 0x%02x", status);
6150
6151 hci_dev_lock(hdev);
6152
Johan Hedberg333ae952015-03-17 13:48:47 +02006153 cmd = pending_find(MGMT_OP_ADD_DEVICE, hdev);
Johan Hedberg5a154e62014-12-19 22:26:02 +02006154 if (!cmd)
6155 goto unlock;
6156
6157 cmd->cmd_complete(cmd, mgmt_status(status));
6158 mgmt_pending_remove(cmd);
6159
6160unlock:
6161 hci_dev_unlock(hdev);
6162}
6163
Marcel Holtmann2faade52014-06-29 19:44:03 +02006164static int add_device(struct sock *sk, struct hci_dev *hdev,
6165 void *data, u16 len)
6166{
6167 struct mgmt_cp_add_device *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02006168 struct mgmt_pending_cmd *cmd;
Johan Hedberg5a154e62014-12-19 22:26:02 +02006169 struct hci_request req;
Marcel Holtmann2faade52014-06-29 19:44:03 +02006170 u8 auto_conn, addr_type;
6171 int err;
6172
6173 BT_DBG("%s", hdev->name);
6174
Johan Hedberg66593582014-07-09 12:59:14 +03006175 if (!bdaddr_type_is_valid(cp->addr.type) ||
Marcel Holtmann2faade52014-06-29 19:44:03 +02006176 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
Johan Hedberg2a1afb52015-03-06 21:08:54 +02006177 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6178 MGMT_STATUS_INVALID_PARAMS,
6179 &cp->addr, sizeof(cp->addr));
Marcel Holtmann2faade52014-06-29 19:44:03 +02006180
Marcel Holtmann4b9e7e72014-07-23 21:55:23 +02006181 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
Johan Hedberg2a1afb52015-03-06 21:08:54 +02006182 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6183 MGMT_STATUS_INVALID_PARAMS,
6184 &cp->addr, sizeof(cp->addr));
Marcel Holtmann2faade52014-06-29 19:44:03 +02006185
Johan Hedberg5a154e62014-12-19 22:26:02 +02006186 hci_req_init(&req, hdev);
6187
Marcel Holtmann2faade52014-06-29 19:44:03 +02006188 hci_dev_lock(hdev);
6189
Johan Hedberg5a154e62014-12-19 22:26:02 +02006190 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
6191 if (!cmd) {
6192 err = -ENOMEM;
6193 goto unlock;
6194 }
6195
6196 cmd->cmd_complete = addr_cmd_complete;
6197
Johan Hedberg66593582014-07-09 12:59:14 +03006198 if (cp->addr.type == BDADDR_BREDR) {
Marcel Holtmann4b9e7e72014-07-23 21:55:23 +02006199 /* Only incoming connections action is supported for now */
Johan Hedberg66593582014-07-09 12:59:14 +03006200 if (cp->action != 0x01) {
Johan Hedberg9df74652014-12-19 22:26:03 +02006201 err = cmd->cmd_complete(cmd,
6202 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg5a154e62014-12-19 22:26:02 +02006203 mgmt_pending_remove(cmd);
Johan Hedberg66593582014-07-09 12:59:14 +03006204 goto unlock;
6205 }
6206
6207 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
6208 cp->addr.type);
6209 if (err)
6210 goto unlock;
Johan Hedberga3974072014-07-09 12:59:15 +03006211
Johan Hedberg5a154e62014-12-19 22:26:02 +02006212 __hci_update_page_scan(&req);
Johan Hedberga3974072014-07-09 12:59:15 +03006213
Johan Hedberg66593582014-07-09 12:59:14 +03006214 goto added;
6215 }
6216
Marcel Holtmann2faade52014-06-29 19:44:03 +02006217 if (cp->addr.type == BDADDR_LE_PUBLIC)
6218 addr_type = ADDR_LE_DEV_PUBLIC;
6219 else
6220 addr_type = ADDR_LE_DEV_RANDOM;
6221
Marcel Holtmann4b9e7e72014-07-23 21:55:23 +02006222 if (cp->action == 0x02)
Marcel Holtmann2faade52014-06-29 19:44:03 +02006223 auto_conn = HCI_AUTO_CONN_ALWAYS;
Marcel Holtmann4b9e7e72014-07-23 21:55:23 +02006224 else if (cp->action == 0x01)
6225 auto_conn = HCI_AUTO_CONN_DIRECT;
Marcel Holtmann2faade52014-06-29 19:44:03 +02006226 else
Johan Hedberga3451d22014-07-02 17:37:27 +03006227 auto_conn = HCI_AUTO_CONN_REPORT;
Marcel Holtmann2faade52014-06-29 19:44:03 +02006228
Jakub Pawlowski9a0a8a82015-07-20 13:12:49 +02006229 /* Kernel internally uses conn_params with resolvable private
6230 * address, but Add Device allows only identity addresses.
6231 * Make sure it is enforced before calling
6232 * hci_conn_params_lookup.
6233 */
6234 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6235 err = cmd->cmd_complete(cmd, MGMT_STATUS_INVALID_PARAMS);
6236 mgmt_pending_remove(cmd);
6237 goto unlock;
6238 }
6239
Marcel Holtmannbf5b3c82014-06-30 12:34:39 +02006240 /* If the connection parameters don't exist for this device,
6241 * they will be created and configured with defaults.
6242 */
Johan Hedberg5a154e62014-12-19 22:26:02 +02006243 if (hci_conn_params_set(&req, &cp->addr.bdaddr, addr_type,
Marcel Holtmannd06b50c2014-07-01 12:11:06 +02006244 auto_conn) < 0) {
Johan Hedberg9df74652014-12-19 22:26:03 +02006245 err = cmd->cmd_complete(cmd, MGMT_STATUS_FAILED);
Johan Hedberg5a154e62014-12-19 22:26:02 +02006246 mgmt_pending_remove(cmd);
Marcel Holtmann2faade52014-06-29 19:44:03 +02006247 goto unlock;
6248 }
6249
Johan Hedberg66593582014-07-09 12:59:14 +03006250added:
Marcel Holtmann8afef092014-06-29 22:28:34 +02006251 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
6252
Johan Hedberg5a154e62014-12-19 22:26:02 +02006253 err = hci_req_run(&req, add_device_complete);
6254 if (err < 0) {
6255 /* ENODATA means no HCI commands were needed (e.g. if
6256 * the adapter is powered off).
6257 */
Johan Hedberg9df74652014-12-19 22:26:03 +02006258 if (err == -ENODATA)
6259 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
Johan Hedberg5a154e62014-12-19 22:26:02 +02006260 mgmt_pending_remove(cmd);
6261 }
Marcel Holtmann2faade52014-06-29 19:44:03 +02006262
6263unlock:
6264 hci_dev_unlock(hdev);
6265 return err;
6266}
6267
Marcel Holtmann8afef092014-06-29 22:28:34 +02006268static void device_removed(struct sock *sk, struct hci_dev *hdev,
6269 bdaddr_t *bdaddr, u8 type)
6270{
6271 struct mgmt_ev_device_removed ev;
6272
6273 bacpy(&ev.addr.bdaddr, bdaddr);
6274 ev.addr.type = type;
6275
6276 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
6277}
6278
Marcel Holtmann1904a852015-01-11 13:50:44 -08006279static void remove_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006280{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02006281 struct mgmt_pending_cmd *cmd;
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006282
6283 BT_DBG("status 0x%02x", status);
6284
6285 hci_dev_lock(hdev);
6286
Johan Hedberg333ae952015-03-17 13:48:47 +02006287 cmd = pending_find(MGMT_OP_REMOVE_DEVICE, hdev);
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006288 if (!cmd)
6289 goto unlock;
6290
6291 cmd->cmd_complete(cmd, mgmt_status(status));
6292 mgmt_pending_remove(cmd);
6293
6294unlock:
6295 hci_dev_unlock(hdev);
6296}
6297
Marcel Holtmann2faade52014-06-29 19:44:03 +02006298static int remove_device(struct sock *sk, struct hci_dev *hdev,
6299 void *data, u16 len)
6300{
6301 struct mgmt_cp_remove_device *cp = data;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02006302 struct mgmt_pending_cmd *cmd;
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006303 struct hci_request req;
Marcel Holtmann2faade52014-06-29 19:44:03 +02006304 int err;
6305
6306 BT_DBG("%s", hdev->name);
6307
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006308 hci_req_init(&req, hdev);
6309
Marcel Holtmann2faade52014-06-29 19:44:03 +02006310 hci_dev_lock(hdev);
6311
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006312 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_DEVICE, hdev, data, len);
6313 if (!cmd) {
6314 err = -ENOMEM;
6315 goto unlock;
6316 }
6317
6318 cmd->cmd_complete = addr_cmd_complete;
6319
Marcel Holtmann2faade52014-06-29 19:44:03 +02006320 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
Johan Hedbergc71593d2014-07-02 17:37:28 +03006321 struct hci_conn_params *params;
Marcel Holtmann2faade52014-06-29 19:44:03 +02006322 u8 addr_type;
6323
Johan Hedberg66593582014-07-09 12:59:14 +03006324 if (!bdaddr_type_is_valid(cp->addr.type)) {
Johan Hedberg9df74652014-12-19 22:26:03 +02006325 err = cmd->cmd_complete(cmd,
6326 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006327 mgmt_pending_remove(cmd);
Marcel Holtmann2faade52014-06-29 19:44:03 +02006328 goto unlock;
6329 }
6330
Johan Hedberg66593582014-07-09 12:59:14 +03006331 if (cp->addr.type == BDADDR_BREDR) {
6332 err = hci_bdaddr_list_del(&hdev->whitelist,
6333 &cp->addr.bdaddr,
6334 cp->addr.type);
6335 if (err) {
Johan Hedberg9df74652014-12-19 22:26:03 +02006336 err = cmd->cmd_complete(cmd,
6337 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006338 mgmt_pending_remove(cmd);
Johan Hedberg66593582014-07-09 12:59:14 +03006339 goto unlock;
6340 }
6341
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006342 __hci_update_page_scan(&req);
Johan Hedberga3974072014-07-09 12:59:15 +03006343
Johan Hedberg66593582014-07-09 12:59:14 +03006344 device_removed(sk, hdev, &cp->addr.bdaddr,
6345 cp->addr.type);
6346 goto complete;
6347 }
6348
Marcel Holtmann2faade52014-06-29 19:44:03 +02006349 if (cp->addr.type == BDADDR_LE_PUBLIC)
6350 addr_type = ADDR_LE_DEV_PUBLIC;
6351 else
6352 addr_type = ADDR_LE_DEV_RANDOM;
6353
Jakub Pawlowski9a0a8a82015-07-20 13:12:49 +02006354 /* Kernel internally uses conn_params with resolvable private
6355 * address, but Remove Device allows only identity addresses.
6356 * Make sure it is enforced before calling
6357 * hci_conn_params_lookup.
6358 */
6359 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6360 err = cmd->cmd_complete(cmd,
6361 MGMT_STATUS_INVALID_PARAMS);
6362 mgmt_pending_remove(cmd);
6363 goto unlock;
6364 }
6365
Johan Hedbergc71593d2014-07-02 17:37:28 +03006366 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
6367 addr_type);
6368 if (!params) {
Johan Hedberg9df74652014-12-19 22:26:03 +02006369 err = cmd->cmd_complete(cmd,
6370 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006371 mgmt_pending_remove(cmd);
Johan Hedbergc71593d2014-07-02 17:37:28 +03006372 goto unlock;
6373 }
6374
6375 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
Johan Hedberg9df74652014-12-19 22:26:03 +02006376 err = cmd->cmd_complete(cmd,
6377 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006378 mgmt_pending_remove(cmd);
Johan Hedbergc71593d2014-07-02 17:37:28 +03006379 goto unlock;
6380 }
6381
Johan Hedbergd1dbf122014-07-04 16:17:23 +03006382 list_del(&params->action);
Johan Hedbergc71593d2014-07-02 17:37:28 +03006383 list_del(&params->list);
6384 kfree(params);
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006385 __hci_update_background_scan(&req);
Marcel Holtmann8afef092014-06-29 22:28:34 +02006386
6387 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
Marcel Holtmann2faade52014-06-29 19:44:03 +02006388 } else {
Johan Hedberg19de0822014-07-06 13:06:51 +03006389 struct hci_conn_params *p, *tmp;
Johan Hedberg66593582014-07-09 12:59:14 +03006390 struct bdaddr_list *b, *btmp;
Johan Hedberg19de0822014-07-06 13:06:51 +03006391
Marcel Holtmann2faade52014-06-29 19:44:03 +02006392 if (cp->addr.type) {
Johan Hedberg9df74652014-12-19 22:26:03 +02006393 err = cmd->cmd_complete(cmd,
6394 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006395 mgmt_pending_remove(cmd);
Marcel Holtmann2faade52014-06-29 19:44:03 +02006396 goto unlock;
6397 }
6398
Johan Hedberg66593582014-07-09 12:59:14 +03006399 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
6400 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
6401 list_del(&b->list);
6402 kfree(b);
6403 }
6404
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006405 __hci_update_page_scan(&req);
Johan Hedberga3974072014-07-09 12:59:15 +03006406
Johan Hedberg19de0822014-07-06 13:06:51 +03006407 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
6408 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
6409 continue;
6410 device_removed(sk, hdev, &p->addr, p->addr_type);
6411 list_del(&p->action);
6412 list_del(&p->list);
6413 kfree(p);
6414 }
6415
6416 BT_DBG("All LE connection parameters were removed");
6417
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006418 __hci_update_background_scan(&req);
Marcel Holtmann2faade52014-06-29 19:44:03 +02006419 }
6420
Johan Hedberg66593582014-07-09 12:59:14 +03006421complete:
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006422 err = hci_req_run(&req, remove_device_complete);
6423 if (err < 0) {
6424 /* ENODATA means no HCI commands were needed (e.g. if
6425 * the adapter is powered off).
6426 */
Johan Hedberg9df74652014-12-19 22:26:03 +02006427 if (err == -ENODATA)
6428 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
Johan Hedberg51ef3eb2014-12-19 22:26:01 +02006429 mgmt_pending_remove(cmd);
6430 }
Marcel Holtmann2faade52014-06-29 19:44:03 +02006431
6432unlock:
6433 hci_dev_unlock(hdev);
6434 return err;
6435}
6436
Johan Hedberga26f3dc2014-07-02 17:37:29 +03006437static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
6438 u16 len)
6439{
6440 struct mgmt_cp_load_conn_param *cp = data;
Johan Hedbergba1d6932014-07-03 13:52:27 +03006441 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
6442 sizeof(struct mgmt_conn_param));
Johan Hedberga26f3dc2014-07-02 17:37:29 +03006443 u16 param_count, expected_len;
6444 int i;
6445
6446 if (!lmp_le_capable(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02006447 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6448 MGMT_STATUS_NOT_SUPPORTED);
Johan Hedberga26f3dc2014-07-02 17:37:29 +03006449
6450 param_count = __le16_to_cpu(cp->param_count);
Johan Hedbergba1d6932014-07-03 13:52:27 +03006451 if (param_count > max_param_count) {
6452 BT_ERR("load_conn_param: too big param_count value %u",
6453 param_count);
Johan Hedberga69e8372015-03-06 21:08:53 +02006454 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6455 MGMT_STATUS_INVALID_PARAMS);
Johan Hedbergba1d6932014-07-03 13:52:27 +03006456 }
Johan Hedberga26f3dc2014-07-02 17:37:29 +03006457
6458 expected_len = sizeof(*cp) + param_count *
6459 sizeof(struct mgmt_conn_param);
6460 if (expected_len != len) {
6461 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
6462 expected_len, len);
Johan Hedberga69e8372015-03-06 21:08:53 +02006463 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6464 MGMT_STATUS_INVALID_PARAMS);
Johan Hedberga26f3dc2014-07-02 17:37:29 +03006465 }
6466
6467 BT_DBG("%s param_count %u", hdev->name, param_count);
6468
6469 hci_dev_lock(hdev);
6470
6471 hci_conn_params_clear_disabled(hdev);
6472
6473 for (i = 0; i < param_count; i++) {
6474 struct mgmt_conn_param *param = &cp->params[i];
6475 struct hci_conn_params *hci_param;
6476 u16 min, max, latency, timeout;
6477 u8 addr_type;
6478
6479 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
6480 param->addr.type);
6481
6482 if (param->addr.type == BDADDR_LE_PUBLIC) {
6483 addr_type = ADDR_LE_DEV_PUBLIC;
6484 } else if (param->addr.type == BDADDR_LE_RANDOM) {
6485 addr_type = ADDR_LE_DEV_RANDOM;
6486 } else {
6487 BT_ERR("Ignoring invalid connection parameters");
6488 continue;
6489 }
6490
6491 min = le16_to_cpu(param->min_interval);
6492 max = le16_to_cpu(param->max_interval);
6493 latency = le16_to_cpu(param->latency);
6494 timeout = le16_to_cpu(param->timeout);
6495
6496 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
6497 min, max, latency, timeout);
6498
6499 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
6500 BT_ERR("Ignoring invalid connection parameters");
6501 continue;
6502 }
6503
6504 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
6505 addr_type);
6506 if (!hci_param) {
6507 BT_ERR("Failed to add connection parameters");
6508 continue;
6509 }
6510
6511 hci_param->conn_min_interval = min;
6512 hci_param->conn_max_interval = max;
6513 hci_param->conn_latency = latency;
6514 hci_param->supervision_timeout = timeout;
6515 }
6516
6517 hci_dev_unlock(hdev);
6518
Johan Hedberg2a1afb52015-03-06 21:08:54 +02006519 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
6520 NULL, 0);
Johan Hedberga26f3dc2014-07-02 17:37:29 +03006521}
6522
Marcel Holtmanndbece372014-07-04 18:11:55 +02006523static int set_external_config(struct sock *sk, struct hci_dev *hdev,
6524 void *data, u16 len)
6525{
6526 struct mgmt_cp_set_external_config *cp = data;
6527 bool changed;
6528 int err;
6529
6530 BT_DBG("%s", hdev->name);
6531
6532 if (hdev_is_powered(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02006533 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6534 MGMT_STATUS_REJECTED);
Marcel Holtmanndbece372014-07-04 18:11:55 +02006535
6536 if (cp->config != 0x00 && cp->config != 0x01)
Johan Hedberga69e8372015-03-06 21:08:53 +02006537 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6538 MGMT_STATUS_INVALID_PARAMS);
Marcel Holtmanndbece372014-07-04 18:11:55 +02006539
6540 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
Johan Hedberga69e8372015-03-06 21:08:53 +02006541 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6542 MGMT_STATUS_NOT_SUPPORTED);
Marcel Holtmanndbece372014-07-04 18:11:55 +02006543
6544 hci_dev_lock(hdev);
6545
6546 if (cp->config)
Marcel Holtmann238be782015-03-13 02:11:06 -07006547 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
Marcel Holtmanndbece372014-07-04 18:11:55 +02006548 else
Marcel Holtmanna69d8922015-03-13 02:11:05 -07006549 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
Marcel Holtmanndbece372014-07-04 18:11:55 +02006550
6551 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
6552 if (err < 0)
6553 goto unlock;
6554
6555 if (!changed)
6556 goto unlock;
6557
Marcel Holtmannf4537c02014-07-04 19:06:23 +02006558 err = new_options(hdev, sk);
6559
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07006560 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
Marcel Holtmanndbece372014-07-04 18:11:55 +02006561 mgmt_index_removed(hdev);
Marcel Holtmannd603b76b2014-07-06 12:11:14 +02006562
Marcel Holtmann516018a2015-03-13 02:11:04 -07006563 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
Marcel Holtmanna1536da2015-03-13 02:11:01 -07006564 hci_dev_set_flag(hdev, HCI_CONFIG);
6565 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
Marcel Holtmannd603b76b2014-07-06 12:11:14 +02006566
6567 queue_work(hdev->req_workqueue, &hdev->power_on);
6568 } else {
Marcel Holtmann5ea234d2014-07-06 12:11:16 +02006569 set_bit(HCI_RAW, &hdev->flags);
Marcel Holtmannd603b76b2014-07-06 12:11:14 +02006570 mgmt_index_added(hdev);
6571 }
Marcel Holtmanndbece372014-07-04 18:11:55 +02006572 }
6573
6574unlock:
6575 hci_dev_unlock(hdev);
6576 return err;
6577}
6578
Marcel Holtmann9713c172014-07-06 12:11:15 +02006579static int set_public_address(struct sock *sk, struct hci_dev *hdev,
6580 void *data, u16 len)
6581{
6582 struct mgmt_cp_set_public_address *cp = data;
6583 bool changed;
6584 int err;
6585
6586 BT_DBG("%s", hdev->name);
6587
6588 if (hdev_is_powered(hdev))
Johan Hedberga69e8372015-03-06 21:08:53 +02006589 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6590 MGMT_STATUS_REJECTED);
Marcel Holtmann9713c172014-07-06 12:11:15 +02006591
6592 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
Johan Hedberga69e8372015-03-06 21:08:53 +02006593 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6594 MGMT_STATUS_INVALID_PARAMS);
Marcel Holtmann9713c172014-07-06 12:11:15 +02006595
6596 if (!hdev->set_bdaddr)
Johan Hedberga69e8372015-03-06 21:08:53 +02006597 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6598 MGMT_STATUS_NOT_SUPPORTED);
Marcel Holtmann9713c172014-07-06 12:11:15 +02006599
6600 hci_dev_lock(hdev);
6601
6602 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
6603 bacpy(&hdev->public_addr, &cp->bdaddr);
6604
6605 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
6606 if (err < 0)
6607 goto unlock;
6608
6609 if (!changed)
6610 goto unlock;
6611
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07006612 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
Marcel Holtmann9713c172014-07-06 12:11:15 +02006613 err = new_options(hdev, sk);
6614
6615 if (is_configured(hdev)) {
6616 mgmt_index_removed(hdev);
6617
Marcel Holtmanna358dc12015-03-13 02:11:02 -07006618 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
Marcel Holtmann9713c172014-07-06 12:11:15 +02006619
Marcel Holtmanna1536da2015-03-13 02:11:01 -07006620 hci_dev_set_flag(hdev, HCI_CONFIG);
6621 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
Marcel Holtmann9713c172014-07-06 12:11:15 +02006622
6623 queue_work(hdev->req_workqueue, &hdev->power_on);
6624 }
6625
6626unlock:
6627 hci_dev_unlock(hdev);
6628 return err;
6629}
6630
Marcel Holtmannbea41602015-03-14 22:43:17 -07006631static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6632 u8 data_len)
6633{
6634 eir[eir_len++] = sizeof(type) + data_len;
6635 eir[eir_len++] = type;
6636 memcpy(&eir[eir_len], data, data_len);
6637 eir_len += data_len;
6638
6639 return eir_len;
6640}
6641
Johan Hedberg40f66c02015-04-07 21:52:22 +03006642static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
6643 u16 opcode, struct sk_buff *skb)
6644{
6645 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
6646 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
6647 u8 *h192, *r192, *h256, *r256;
6648 struct mgmt_pending_cmd *cmd;
6649 u16 eir_len;
6650 int err;
6651
6652 BT_DBG("%s status %u", hdev->name, status);
6653
6654 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
6655 if (!cmd)
6656 return;
6657
6658 mgmt_cp = cmd->param;
6659
6660 if (status) {
6661 status = mgmt_status(status);
6662 eir_len = 0;
6663
6664 h192 = NULL;
6665 r192 = NULL;
6666 h256 = NULL;
6667 r256 = NULL;
6668 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
6669 struct hci_rp_read_local_oob_data *rp;
6670
6671 if (skb->len != sizeof(*rp)) {
6672 status = MGMT_STATUS_FAILED;
6673 eir_len = 0;
6674 } else {
6675 status = MGMT_STATUS_SUCCESS;
6676 rp = (void *)skb->data;
6677
6678 eir_len = 5 + 18 + 18;
6679 h192 = rp->hash;
6680 r192 = rp->rand;
6681 h256 = NULL;
6682 r256 = NULL;
6683 }
6684 } else {
6685 struct hci_rp_read_local_oob_ext_data *rp;
6686
6687 if (skb->len != sizeof(*rp)) {
6688 status = MGMT_STATUS_FAILED;
6689 eir_len = 0;
6690 } else {
6691 status = MGMT_STATUS_SUCCESS;
6692 rp = (void *)skb->data;
6693
6694 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6695 eir_len = 5 + 18 + 18;
6696 h192 = NULL;
6697 r192 = NULL;
6698 } else {
6699 eir_len = 5 + 18 + 18 + 18 + 18;
6700 h192 = rp->hash192;
6701 r192 = rp->rand192;
6702 }
6703
6704 h256 = rp->hash256;
6705 r256 = rp->rand256;
6706 }
6707 }
6708
6709 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
6710 if (!mgmt_rp)
6711 goto done;
6712
6713 if (status)
6714 goto send_rsp;
6715
6716 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
6717 hdev->dev_class, 3);
6718
6719 if (h192 && r192) {
6720 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6721 EIR_SSP_HASH_C192, h192, 16);
6722 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6723 EIR_SSP_RAND_R192, r192, 16);
6724 }
6725
6726 if (h256 && r256) {
6727 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6728 EIR_SSP_HASH_C256, h256, 16);
6729 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6730 EIR_SSP_RAND_R256, r256, 16);
6731 }
6732
6733send_rsp:
6734 mgmt_rp->type = mgmt_cp->type;
6735 mgmt_rp->eir_len = cpu_to_le16(eir_len);
6736
6737 err = mgmt_cmd_complete(cmd->sk, hdev->id,
6738 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
6739 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
6740 if (err < 0 || status)
6741 goto done;
6742
6743 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
6744
6745 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6746 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
6747 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
6748done:
6749 kfree(mgmt_rp);
6750 mgmt_pending_remove(cmd);
6751}
6752
6753static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
6754 struct mgmt_cp_read_local_oob_ext_data *cp)
6755{
6756 struct mgmt_pending_cmd *cmd;
6757 struct hci_request req;
6758 int err;
6759
6760 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
6761 cp, sizeof(*cp));
6762 if (!cmd)
6763 return -ENOMEM;
6764
6765 hci_req_init(&req, hdev);
6766
6767 if (bredr_sc_enabled(hdev))
6768 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
6769 else
6770 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
6771
6772 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
6773 if (err < 0) {
6774 mgmt_pending_remove(cmd);
6775 return err;
6776 }
6777
6778 return 0;
6779}
6780
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006781static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
6782 void *data, u16 data_len)
6783{
6784 struct mgmt_cp_read_local_oob_ext_data *cp = data;
6785 struct mgmt_rp_read_local_oob_ext_data *rp;
6786 size_t rp_len;
6787 u16 eir_len;
Marcel Holtmann0821a2c2015-03-16 01:10:23 -07006788 u8 status, flags, role, addr[7], hash[16], rand[16];
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006789 int err;
6790
6791 BT_DBG("%s", hdev->name);
6792
Marcel Holtmann57b0d3e2015-03-28 15:18:59 -07006793 if (hdev_is_powered(hdev)) {
6794 switch (cp->type) {
6795 case BIT(BDADDR_BREDR):
6796 status = mgmt_bredr_support(hdev);
6797 if (status)
6798 eir_len = 0;
6799 else
6800 eir_len = 5;
6801 break;
6802 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
6803 status = mgmt_le_support(hdev);
6804 if (status)
6805 eir_len = 0;
6806 else
6807 eir_len = 9 + 3 + 18 + 18 + 3;
6808 break;
6809 default:
6810 status = MGMT_STATUS_INVALID_PARAMS;
6811 eir_len = 0;
6812 break;
6813 }
6814 } else {
6815 status = MGMT_STATUS_NOT_POWERED;
6816 eir_len = 0;
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006817 }
6818
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006819 rp_len = sizeof(*rp) + eir_len;
6820 rp = kmalloc(rp_len, GFP_ATOMIC);
Marcel Holtmannefcd8c92015-03-28 15:18:58 -07006821 if (!rp)
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006822 return -ENOMEM;
Marcel Holtmannefcd8c92015-03-28 15:18:58 -07006823
Marcel Holtmann57b0d3e2015-03-28 15:18:59 -07006824 if (status)
6825 goto complete;
6826
Marcel Holtmannefcd8c92015-03-28 15:18:58 -07006827 hci_dev_lock(hdev);
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006828
6829 eir_len = 0;
6830 switch (cp->type) {
6831 case BIT(BDADDR_BREDR):
Johan Hedberg40f66c02015-04-07 21:52:22 +03006832 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
6833 err = read_local_ssp_oob_req(hdev, sk, cp);
6834 hci_dev_unlock(hdev);
6835 if (!err)
6836 goto done;
6837
6838 status = MGMT_STATUS_FAILED;
6839 goto complete;
6840 } else {
6841 eir_len = eir_append_data(rp->eir, eir_len,
6842 EIR_CLASS_OF_DEV,
6843 hdev->dev_class, 3);
6844 }
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006845 break;
6846 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
Marcel Holtmann5082a592015-03-16 12:39:00 -07006847 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
6848 smp_generate_oob(hdev, hash, rand) < 0) {
Marcel Holtmann0821a2c2015-03-16 01:10:23 -07006849 hci_dev_unlock(hdev);
Marcel Holtmann57b0d3e2015-03-28 15:18:59 -07006850 status = MGMT_STATUS_FAILED;
6851 goto complete;
Marcel Holtmann0821a2c2015-03-16 01:10:23 -07006852 }
6853
Marcel Holtmanne2135682015-04-02 12:00:58 -07006854 /* This should return the active RPA, but since the RPA
6855 * is only programmed on demand, it is really hard to fill
6856 * this in at the moment. For now disallow retrieving
6857 * local out-of-band data when privacy is in use.
6858 *
6859 * Returning the identity address will not help here since
6860 * pairing happens before the identity resolving key is
6861 * known and thus the connection establishment happens
6862 * based on the RPA and not the identity address.
6863 */
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006864 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
Marcel Holtmanne2135682015-04-02 12:00:58 -07006865 hci_dev_unlock(hdev);
6866 status = MGMT_STATUS_REJECTED;
6867 goto complete;
6868 }
6869
6870 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
6871 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
6872 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
6873 bacmp(&hdev->static_addr, BDADDR_ANY))) {
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006874 memcpy(addr, &hdev->static_addr, 6);
6875 addr[6] = 0x01;
6876 } else {
6877 memcpy(addr, &hdev->bdaddr, 6);
6878 addr[6] = 0x00;
6879 }
6880
6881 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
6882 addr, sizeof(addr));
6883
6884 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
6885 role = 0x02;
6886 else
6887 role = 0x01;
6888
6889 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
6890 &role, sizeof(role));
6891
Marcel Holtmann5082a592015-03-16 12:39:00 -07006892 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
6893 eir_len = eir_append_data(rp->eir, eir_len,
6894 EIR_LE_SC_CONFIRM,
6895 hash, sizeof(hash));
Marcel Holtmann0821a2c2015-03-16 01:10:23 -07006896
Marcel Holtmann5082a592015-03-16 12:39:00 -07006897 eir_len = eir_append_data(rp->eir, eir_len,
6898 EIR_LE_SC_RANDOM,
6899 rand, sizeof(rand));
6900 }
Marcel Holtmann0821a2c2015-03-16 01:10:23 -07006901
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006902 flags = get_adv_discov_flags(hdev);
6903
6904 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
6905 flags |= LE_AD_NO_BREDR;
6906
6907 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
6908 &flags, sizeof(flags));
6909 break;
6910 }
6911
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006912 hci_dev_unlock(hdev);
6913
Marcel Holtmann72000df2015-03-16 16:11:21 -07006914 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
6915
Marcel Holtmann57b0d3e2015-03-28 15:18:59 -07006916 status = MGMT_STATUS_SUCCESS;
6917
6918complete:
Marcel Holtmannefcd8c92015-03-28 15:18:58 -07006919 rp->type = cp->type;
6920 rp->eir_len = cpu_to_le16(eir_len);
6921
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006922 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
Marcel Holtmann57b0d3e2015-03-28 15:18:59 -07006923 status, rp, sizeof(*rp) + eir_len);
6924 if (err < 0 || status)
Marcel Holtmann72000df2015-03-16 16:11:21 -07006925 goto done;
6926
6927 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6928 rp, sizeof(*rp) + eir_len,
6929 HCI_MGMT_OOB_DATA_EVENTS, sk);
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006930
Marcel Holtmann0821a2c2015-03-16 01:10:23 -07006931done:
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07006932 kfree(rp);
6933
6934 return err;
6935}
6936
Arman Uguray089fa8c2015-03-25 18:53:45 -07006937static u32 get_supported_adv_flags(struct hci_dev *hdev)
6938{
6939 u32 flags = 0;
6940
6941 flags |= MGMT_ADV_FLAG_CONNECTABLE;
6942 flags |= MGMT_ADV_FLAG_DISCOV;
6943 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
6944 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
6945
6946 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
6947 flags |= MGMT_ADV_FLAG_TX_POWER;
6948
6949 return flags;
6950}
6951
Marcel Holtmannd3d53052015-03-14 20:53:25 -07006952static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
6953 void *data, u16 data_len)
6954{
6955 struct mgmt_rp_read_adv_features *rp;
6956 size_t rp_len;
Florian Grandel286e0c82015-06-18 03:16:38 +02006957 int err, i;
Arman Uguray24b4f382015-03-23 15:57:12 -07006958 bool instance;
Florian Grandel286e0c82015-06-18 03:16:38 +02006959 struct adv_info *adv_instance;
Arman Uguray089fa8c2015-03-25 18:53:45 -07006960 u32 supported_flags;
Marcel Holtmannd3d53052015-03-14 20:53:25 -07006961
6962 BT_DBG("%s", hdev->name);
6963
Arman Uguray089fa8c2015-03-25 18:53:45 -07006964 if (!lmp_le_capable(hdev))
6965 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6966 MGMT_STATUS_REJECTED);
6967
Marcel Holtmannd3d53052015-03-14 20:53:25 -07006968 hci_dev_lock(hdev);
6969
6970 rp_len = sizeof(*rp);
Arman Uguray24b4f382015-03-23 15:57:12 -07006971
Arman Uguray24b4f382015-03-23 15:57:12 -07006972 instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
6973 if (instance)
Florian Grandel286e0c82015-06-18 03:16:38 +02006974 rp_len += hdev->adv_instance_cnt;
Arman Uguray24b4f382015-03-23 15:57:12 -07006975
Marcel Holtmannd3d53052015-03-14 20:53:25 -07006976 rp = kmalloc(rp_len, GFP_ATOMIC);
6977 if (!rp) {
6978 hci_dev_unlock(hdev);
6979 return -ENOMEM;
6980 }
6981
Arman Uguray089fa8c2015-03-25 18:53:45 -07006982 supported_flags = get_supported_adv_flags(hdev);
6983
6984 rp->supported_flags = cpu_to_le32(supported_flags);
Marcel Holtmanndc5d82a2015-03-19 17:22:25 -07006985 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
6986 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
Florian Grandeld2609b32015-06-18 03:16:34 +02006987 rp->max_instances = HCI_MAX_ADV_INSTANCES;
Arman Uguray24b4f382015-03-23 15:57:12 -07006988
Arman Uguray24b4f382015-03-23 15:57:12 -07006989 if (instance) {
Florian Grandel286e0c82015-06-18 03:16:38 +02006990 i = 0;
6991 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
6992 if (i >= hdev->adv_instance_cnt)
6993 break;
6994
6995 rp->instance[i] = adv_instance->instance;
6996 i++;
6997 }
6998 rp->num_instances = hdev->adv_instance_cnt;
Arman Uguray24b4f382015-03-23 15:57:12 -07006999 } else {
7000 rp->num_instances = 0;
7001 }
Marcel Holtmannd3d53052015-03-14 20:53:25 -07007002
7003 hci_dev_unlock(hdev);
7004
7005 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
7006 MGMT_STATUS_SUCCESS, rp, rp_len);
7007
7008 kfree(rp);
7009
7010 return err;
7011}
7012
Arman Uguray4117ed72015-03-23 15:57:14 -07007013static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
Arman Ugurayb44133f2015-03-25 18:53:41 -07007014 u8 len, bool is_adv_data)
Arman Uguray24b4f382015-03-23 15:57:12 -07007015{
Arman Uguray4117ed72015-03-23 15:57:14 -07007016 u8 max_len = HCI_MAX_AD_LENGTH;
Arman Uguray24b4f382015-03-23 15:57:12 -07007017 int i, cur_len;
Arman Ugurayb44133f2015-03-25 18:53:41 -07007018 bool flags_managed = false;
Arman Uguray5507e352015-03-25 18:53:44 -07007019 bool tx_power_managed = false;
Arman Uguray67e0c0c2015-03-25 18:53:43 -07007020 u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
7021 MGMT_ADV_FLAG_MANAGED_FLAGS;
Arman Uguray24b4f382015-03-23 15:57:12 -07007022
Arman Uguray807ec772015-03-25 18:53:42 -07007023 if (is_adv_data && (adv_flags & flags_params)) {
Arman Ugurayb44133f2015-03-25 18:53:41 -07007024 flags_managed = true;
7025 max_len -= 3;
7026 }
Arman Uguray24b4f382015-03-23 15:57:12 -07007027
Arman Uguray5507e352015-03-25 18:53:44 -07007028 if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
7029 tx_power_managed = true;
7030 max_len -= 3;
7031 }
7032
Arman Uguray4117ed72015-03-23 15:57:14 -07007033 if (len > max_len)
Arman Uguray24b4f382015-03-23 15:57:12 -07007034 return false;
7035
Arman Uguray4117ed72015-03-23 15:57:14 -07007036 /* Make sure that the data is correctly formatted. */
7037 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
7038 cur_len = data[i];
Arman Uguray24b4f382015-03-23 15:57:12 -07007039
Arman Ugurayb44133f2015-03-25 18:53:41 -07007040 if (flags_managed && data[i + 1] == EIR_FLAGS)
7041 return false;
7042
Arman Uguray5507e352015-03-25 18:53:44 -07007043 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
7044 return false;
7045
Arman Uguray24b4f382015-03-23 15:57:12 -07007046 /* If the current field length would exceed the total data
7047 * length, then it's invalid.
7048 */
Arman Uguray4117ed72015-03-23 15:57:14 -07007049 if (i + cur_len >= len)
Arman Uguray24b4f382015-03-23 15:57:12 -07007050 return false;
7051 }
7052
7053 return true;
7054}
7055
Arman Uguray24b4f382015-03-23 15:57:12 -07007056static void add_advertising_complete(struct hci_dev *hdev, u8 status,
7057 u16 opcode)
7058{
7059 struct mgmt_pending_cmd *cmd;
Florian Grandelfffd38b2015-06-18 03:16:47 +02007060 struct mgmt_cp_add_advertising *cp;
Arman Uguray24b4f382015-03-23 15:57:12 -07007061 struct mgmt_rp_add_advertising rp;
Florian Grandelfffd38b2015-06-18 03:16:47 +02007062 struct adv_info *adv_instance, *n;
7063 u8 instance;
Arman Uguray24b4f382015-03-23 15:57:12 -07007064
7065 BT_DBG("status %d", status);
7066
7067 hci_dev_lock(hdev);
7068
7069 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
7070
Florian Grandelfffd38b2015-06-18 03:16:47 +02007071 if (status)
Arman Uguray24b4f382015-03-23 15:57:12 -07007072 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
Florian Grandelfffd38b2015-06-18 03:16:47 +02007073
7074 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
7075 if (!adv_instance->pending)
7076 continue;
7077
7078 if (!status) {
7079 adv_instance->pending = false;
7080 continue;
7081 }
7082
7083 instance = adv_instance->instance;
7084
7085 if (hdev->cur_adv_instance == instance)
7086 cancel_adv_timeout(hdev);
7087
7088 hci_remove_adv_instance(hdev, instance);
7089 advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
Arman Uguray24b4f382015-03-23 15:57:12 -07007090 }
7091
7092 if (!cmd)
7093 goto unlock;
7094
Florian Grandelfffd38b2015-06-18 03:16:47 +02007095 cp = cmd->param;
7096 rp.instance = cp->instance;
Arman Uguray24b4f382015-03-23 15:57:12 -07007097
7098 if (status)
7099 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
7100 mgmt_status(status));
7101 else
7102 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
7103 mgmt_status(status), &rp, sizeof(rp));
7104
7105 mgmt_pending_remove(cmd);
7106
7107unlock:
7108 hci_dev_unlock(hdev);
7109}
7110
Florian Grandel5d900e42015-06-18 03:16:35 +02007111void mgmt_adv_timeout_expired(struct hci_dev *hdev)
Arman Uguray912098a2015-03-23 15:57:15 -07007112{
Florian Grandel847818d2015-06-18 03:16:46 +02007113 u8 instance;
7114 struct hci_request req;
7115
Florian Grandel5d900e42015-06-18 03:16:35 +02007116 hdev->adv_instance_timeout = 0;
Arman Uguray912098a2015-03-23 15:57:15 -07007117
Florian Grandel847818d2015-06-18 03:16:46 +02007118 instance = get_current_adv_instance(hdev);
7119 if (instance == 0x00)
7120 return;
7121
Arman Uguray912098a2015-03-23 15:57:15 -07007122 hci_dev_lock(hdev);
Florian Grandel847818d2015-06-18 03:16:46 +02007123 hci_req_init(&req, hdev);
7124
7125 clear_adv_instance(hdev, &req, instance, false);
7126
7127 if (list_empty(&hdev->adv_instances))
7128 disable_advertising(&req);
7129
7130 if (!skb_queue_empty(&req.cmd_q))
7131 hci_req_run(&req, NULL);
7132
Arman Uguray912098a2015-03-23 15:57:15 -07007133 hci_dev_unlock(hdev);
7134}
7135
Arman Uguray24b4f382015-03-23 15:57:12 -07007136static int add_advertising(struct sock *sk, struct hci_dev *hdev,
7137 void *data, u16 data_len)
7138{
7139 struct mgmt_cp_add_advertising *cp = data;
7140 struct mgmt_rp_add_advertising rp;
7141 u32 flags;
Arman Uguray089fa8c2015-03-25 18:53:45 -07007142 u32 supported_flags;
Arman Uguray24b4f382015-03-23 15:57:12 -07007143 u8 status;
Florian Grandelfffd38b2015-06-18 03:16:47 +02007144 u16 timeout, duration;
7145 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
7146 u8 schedule_instance = 0;
7147 struct adv_info *next_instance;
Arman Uguray24b4f382015-03-23 15:57:12 -07007148 int err;
7149 struct mgmt_pending_cmd *cmd;
7150 struct hci_request req;
7151
7152 BT_DBG("%s", hdev->name);
7153
7154 status = mgmt_le_support(hdev);
7155 if (status)
7156 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7157 status);
7158
7159 flags = __le32_to_cpu(cp->flags);
Arman Uguray912098a2015-03-23 15:57:15 -07007160 timeout = __le16_to_cpu(cp->timeout);
Florian Grandelfffd38b2015-06-18 03:16:47 +02007161 duration = __le16_to_cpu(cp->duration);
Arman Uguray24b4f382015-03-23 15:57:12 -07007162
Florian Grandelfffd38b2015-06-18 03:16:47 +02007163 /* The current implementation only supports a subset of the specified
7164 * flags.
Arman Uguray089fa8c2015-03-25 18:53:45 -07007165 */
7166 supported_flags = get_supported_adv_flags(hdev);
Florian Grandelfffd38b2015-06-18 03:16:47 +02007167 if (flags & ~supported_flags)
Arman Uguray24b4f382015-03-23 15:57:12 -07007168 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7169 MGMT_STATUS_INVALID_PARAMS);
7170
7171 hci_dev_lock(hdev);
7172
Arman Uguray912098a2015-03-23 15:57:15 -07007173 if (timeout && !hdev_is_powered(hdev)) {
7174 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7175 MGMT_STATUS_REJECTED);
7176 goto unlock;
7177 }
7178
Arman Uguray24b4f382015-03-23 15:57:12 -07007179 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
Arman Ugurayda9293352015-03-23 15:57:13 -07007180 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
Arman Uguray24b4f382015-03-23 15:57:12 -07007181 pending_find(MGMT_OP_SET_LE, hdev)) {
7182 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7183 MGMT_STATUS_BUSY);
7184 goto unlock;
7185 }
7186
Arman Ugurayb44133f2015-03-25 18:53:41 -07007187 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
Arman Uguray4117ed72015-03-23 15:57:14 -07007188 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
Arman Ugurayb44133f2015-03-25 18:53:41 -07007189 cp->scan_rsp_len, false)) {
Arman Uguray24b4f382015-03-23 15:57:12 -07007190 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7191 MGMT_STATUS_INVALID_PARAMS);
7192 goto unlock;
7193 }
7194
Florian Grandelfffd38b2015-06-18 03:16:47 +02007195 err = hci_add_adv_instance(hdev, cp->instance, flags,
7196 cp->adv_data_len, cp->data,
7197 cp->scan_rsp_len,
7198 cp->data + cp->adv_data_len,
7199 timeout, duration);
7200 if (err < 0) {
7201 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7202 MGMT_STATUS_FAILED);
7203 goto unlock;
7204 }
Arman Uguray24b4f382015-03-23 15:57:12 -07007205
Florian Grandelfffd38b2015-06-18 03:16:47 +02007206 /* Only trigger an advertising added event if a new instance was
7207 * actually added.
7208 */
7209 if (hdev->adv_instance_cnt > prev_instance_cnt)
7210 advertising_added(sk, hdev, cp->instance);
Arman Uguray24b4f382015-03-23 15:57:12 -07007211
Florian Grandelfffd38b2015-06-18 03:16:47 +02007212 hci_dev_set_flag(hdev, HCI_ADVERTISING_INSTANCE);
Arman Uguray24b4f382015-03-23 15:57:12 -07007213
Florian Grandelfffd38b2015-06-18 03:16:47 +02007214 if (hdev->cur_adv_instance == cp->instance) {
7215 /* If the currently advertised instance is being changed then
7216 * cancel the current advertising and schedule the next
7217 * instance. If there is only one instance then the overridden
7218 * advertising data will be visible right away.
7219 */
7220 cancel_adv_timeout(hdev);
Arman Uguray912098a2015-03-23 15:57:15 -07007221
Florian Grandelfffd38b2015-06-18 03:16:47 +02007222 next_instance = hci_get_next_instance(hdev, cp->instance);
7223 if (next_instance)
7224 schedule_instance = next_instance->instance;
7225 } else if (!hdev->adv_instance_timeout) {
7226 /* Immediately advertise the new instance if no other
7227 * instance is currently being advertised.
7228 */
7229 schedule_instance = cp->instance;
7230 }
Arman Uguray912098a2015-03-23 15:57:15 -07007231
Florian Grandelfffd38b2015-06-18 03:16:47 +02007232 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
7233 * there is no instance to be advertised then we have no HCI
7234 * communication to make. Simply return.
Arman Uguray24b4f382015-03-23 15:57:12 -07007235 */
7236 if (!hdev_is_powered(hdev) ||
Florian Grandelfffd38b2015-06-18 03:16:47 +02007237 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7238 !schedule_instance) {
7239 rp.instance = cp->instance;
Arman Uguray24b4f382015-03-23 15:57:12 -07007240 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7241 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7242 goto unlock;
7243 }
7244
7245 /* We're good to go, update advertising data, parameters, and start
7246 * advertising.
7247 */
7248 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
7249 data_len);
7250 if (!cmd) {
7251 err = -ENOMEM;
7252 goto unlock;
7253 }
7254
7255 hci_req_init(&req, hdev);
7256
Florian Grandelfffd38b2015-06-18 03:16:47 +02007257 err = schedule_adv_instance(&req, schedule_instance, true);
Arman Uguray24b4f382015-03-23 15:57:12 -07007258
Florian Grandelfffd38b2015-06-18 03:16:47 +02007259 if (!err)
7260 err = hci_req_run(&req, add_advertising_complete);
7261
Arman Uguray24b4f382015-03-23 15:57:12 -07007262 if (err < 0)
7263 mgmt_pending_remove(cmd);
7264
7265unlock:
7266 hci_dev_unlock(hdev);
7267
7268 return err;
7269}
7270
Arman Ugurayda9293352015-03-23 15:57:13 -07007271static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
7272 u16 opcode)
7273{
7274 struct mgmt_pending_cmd *cmd;
Florian Grandel01948332015-06-18 03:16:48 +02007275 struct mgmt_cp_remove_advertising *cp;
Arman Ugurayda9293352015-03-23 15:57:13 -07007276 struct mgmt_rp_remove_advertising rp;
7277
7278 BT_DBG("status %d", status);
7279
7280 hci_dev_lock(hdev);
7281
7282 /* A failure status here only means that we failed to disable
7283 * advertising. Otherwise, the advertising instance has been removed,
7284 * so report success.
7285 */
7286 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
7287 if (!cmd)
7288 goto unlock;
7289
Florian Grandel01948332015-06-18 03:16:48 +02007290 cp = cmd->param;
7291 rp.instance = cp->instance;
Arman Ugurayda9293352015-03-23 15:57:13 -07007292
7293 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
7294 &rp, sizeof(rp));
7295 mgmt_pending_remove(cmd);
7296
7297unlock:
7298 hci_dev_unlock(hdev);
7299}
7300
7301static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
7302 void *data, u16 data_len)
7303{
7304 struct mgmt_cp_remove_advertising *cp = data;
7305 struct mgmt_rp_remove_advertising rp;
Arman Ugurayda9293352015-03-23 15:57:13 -07007306 struct mgmt_pending_cmd *cmd;
7307 struct hci_request req;
Johan Hedberg952497b2015-06-18 21:05:31 +03007308 int err;
Arman Ugurayda9293352015-03-23 15:57:13 -07007309
7310 BT_DBG("%s", hdev->name);
7311
Arman Ugurayda9293352015-03-23 15:57:13 -07007312 hci_dev_lock(hdev);
7313
Johan Hedberg952497b2015-06-18 21:05:31 +03007314 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
Florian Grandel01948332015-06-18 03:16:48 +02007315 err = mgmt_cmd_status(sk, hdev->id,
7316 MGMT_OP_REMOVE_ADVERTISING,
7317 MGMT_STATUS_INVALID_PARAMS);
7318 goto unlock;
7319 }
7320
Arman Ugurayda9293352015-03-23 15:57:13 -07007321 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
7322 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
7323 pending_find(MGMT_OP_SET_LE, hdev)) {
7324 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7325 MGMT_STATUS_BUSY);
7326 goto unlock;
7327 }
7328
7329 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) {
7330 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7331 MGMT_STATUS_INVALID_PARAMS);
7332 goto unlock;
7333 }
7334
Florian Grandel01948332015-06-18 03:16:48 +02007335 hci_req_init(&req, hdev);
Arman Uguray912098a2015-03-23 15:57:15 -07007336
Florian Grandel01948332015-06-18 03:16:48 +02007337 clear_adv_instance(hdev, &req, cp->instance, true);
Arman Ugurayda9293352015-03-23 15:57:13 -07007338
Florian Grandel01948332015-06-18 03:16:48 +02007339 if (list_empty(&hdev->adv_instances))
7340 disable_advertising(&req);
Arman Ugurayda9293352015-03-23 15:57:13 -07007341
Florian Grandel01948332015-06-18 03:16:48 +02007342 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
7343 * flag is set or the device isn't powered then we have no HCI
7344 * communication to make. Simply return.
Arman Ugurayda9293352015-03-23 15:57:13 -07007345 */
Florian Grandel01948332015-06-18 03:16:48 +02007346 if (skb_queue_empty(&req.cmd_q) ||
7347 !hdev_is_powered(hdev) ||
Arman Ugurayda9293352015-03-23 15:57:13 -07007348 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
Florian Grandel01948332015-06-18 03:16:48 +02007349 rp.instance = cp->instance;
Arman Ugurayda9293352015-03-23 15:57:13 -07007350 err = mgmt_cmd_complete(sk, hdev->id,
7351 MGMT_OP_REMOVE_ADVERTISING,
7352 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7353 goto unlock;
7354 }
7355
7356 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
7357 data_len);
7358 if (!cmd) {
7359 err = -ENOMEM;
7360 goto unlock;
7361 }
7362
Arman Ugurayda9293352015-03-23 15:57:13 -07007363 err = hci_req_run(&req, remove_advertising_complete);
7364 if (err < 0)
7365 mgmt_pending_remove(cmd);
7366
7367unlock:
7368 hci_dev_unlock(hdev);
7369
7370 return err;
7371}
7372
Johan Hedberg6d785aa32015-03-06 21:08:51 +02007373static const struct hci_mgmt_handler mgmt_handlers[] = {
Johan Hedberg0f4e68c2012-02-28 17:18:30 +02007374 { NULL }, /* 0x0000 (no command) */
Johan Hedbergb9a245fb2015-03-06 21:08:52 +02007375 { read_version, MGMT_READ_VERSION_SIZE,
Marcel Holtmannc91041d2015-03-14 19:28:01 -07007376 HCI_MGMT_NO_HDEV |
7377 HCI_MGMT_UNTRUSTED },
Johan Hedbergb9a245fb2015-03-06 21:08:52 +02007378 { read_commands, MGMT_READ_COMMANDS_SIZE,
Marcel Holtmannc91041d2015-03-14 19:28:01 -07007379 HCI_MGMT_NO_HDEV |
7380 HCI_MGMT_UNTRUSTED },
Johan Hedbergb9a245fb2015-03-06 21:08:52 +02007381 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
Marcel Holtmannc91041d2015-03-14 19:28:01 -07007382 HCI_MGMT_NO_HDEV |
7383 HCI_MGMT_UNTRUSTED },
7384 { read_controller_info, MGMT_READ_INFO_SIZE,
7385 HCI_MGMT_UNTRUSTED },
Marcel Holtmann7aea86162015-03-14 19:28:02 -07007386 { set_powered, MGMT_SETTING_SIZE },
7387 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
7388 { set_connectable, MGMT_SETTING_SIZE },
7389 { set_fast_connectable, MGMT_SETTING_SIZE },
7390 { set_bondable, MGMT_SETTING_SIZE },
7391 { set_link_security, MGMT_SETTING_SIZE },
7392 { set_ssp, MGMT_SETTING_SIZE },
7393 { set_hs, MGMT_SETTING_SIZE },
7394 { set_le, MGMT_SETTING_SIZE },
7395 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
7396 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
7397 { add_uuid, MGMT_ADD_UUID_SIZE },
7398 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
Johan Hedbergb9a245fb2015-03-06 21:08:52 +02007399 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
7400 HCI_MGMT_VAR_LEN },
7401 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
7402 HCI_MGMT_VAR_LEN },
Marcel Holtmann7aea86162015-03-14 19:28:02 -07007403 { disconnect, MGMT_DISCONNECT_SIZE },
7404 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
7405 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
7406 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
7407 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
7408 { pair_device, MGMT_PAIR_DEVICE_SIZE },
7409 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
7410 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
7411 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
7412 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
7413 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
7414 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
Johan Hedbergb9a245fb2015-03-06 21:08:52 +02007415 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
7416 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
7417 HCI_MGMT_VAR_LEN },
Marcel Holtmann7aea86162015-03-14 19:28:02 -07007418 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
7419 { start_discovery, MGMT_START_DISCOVERY_SIZE },
7420 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
7421 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
7422 { block_device, MGMT_BLOCK_DEVICE_SIZE },
7423 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
7424 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
7425 { set_advertising, MGMT_SETTING_SIZE },
7426 { set_bredr, MGMT_SETTING_SIZE },
7427 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
7428 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
7429 { set_secure_conn, MGMT_SETTING_SIZE },
7430 { set_debug_keys, MGMT_SETTING_SIZE },
7431 { set_privacy, MGMT_SET_PRIVACY_SIZE },
Johan Hedbergb9a245fb2015-03-06 21:08:52 +02007432 { load_irks, MGMT_LOAD_IRKS_SIZE,
7433 HCI_MGMT_VAR_LEN },
Marcel Holtmann7aea86162015-03-14 19:28:02 -07007434 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
7435 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
7436 { add_device, MGMT_ADD_DEVICE_SIZE },
7437 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
Johan Hedbergb9a245fb2015-03-06 21:08:52 +02007438 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
7439 HCI_MGMT_VAR_LEN },
7440 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
Marcel Holtmannc91041d2015-03-14 19:28:01 -07007441 HCI_MGMT_NO_HDEV |
7442 HCI_MGMT_UNTRUSTED },
Johan Hedbergb9a245fb2015-03-06 21:08:52 +02007443 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
Marcel Holtmannc91041d2015-03-14 19:28:01 -07007444 HCI_MGMT_UNCONFIGURED |
7445 HCI_MGMT_UNTRUSTED },
Johan Hedbergb9a245fb2015-03-06 21:08:52 +02007446 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
7447 HCI_MGMT_UNCONFIGURED },
7448 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
7449 HCI_MGMT_UNCONFIGURED },
7450 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
7451 HCI_MGMT_VAR_LEN },
Marcel Holtmann4f0f1552015-03-14 22:43:19 -07007452 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
Marcel Holtmann96f14742015-03-14 19:27:57 -07007453 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
Marcel Holtmannc91041d2015-03-14 19:28:01 -07007454 HCI_MGMT_NO_HDEV |
7455 HCI_MGMT_UNTRUSTED },
Marcel Holtmannd3d53052015-03-14 20:53:25 -07007456 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
Arman Uguray24b4f382015-03-23 15:57:12 -07007457 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
7458 HCI_MGMT_VAR_LEN },
Arman Ugurayda9293352015-03-23 15:57:13 -07007459 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
Johan Hedberg0f4e68c2012-02-28 17:18:30 +02007460};
7461
Marcel Holtmannbf6b56d2013-10-06 23:55:45 -07007462void mgmt_index_added(struct hci_dev *hdev)
Johan Hedbergc71e97b2010-12-13 21:07:07 +02007463{
Marcel Holtmannced85542015-03-14 19:27:56 -07007464 struct mgmt_ev_ext_index ev;
Andrei Emeltchenkobb4b2a92012-07-19 17:03:40 +03007465
Marcel Holtmann0602a8a2014-07-02 21:30:54 +02007466 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7467 return;
7468
Marcel Holtmannf9207332015-03-14 19:27:55 -07007469 switch (hdev->dev_type) {
7470 case HCI_BREDR:
7471 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7472 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
7473 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
Marcel Holtmannced85542015-03-14 19:27:56 -07007474 ev.type = 0x01;
Marcel Holtmannf9207332015-03-14 19:27:55 -07007475 } else {
7476 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
7477 HCI_MGMT_INDEX_EVENTS);
Marcel Holtmannced85542015-03-14 19:27:56 -07007478 ev.type = 0x00;
Marcel Holtmannf9207332015-03-14 19:27:55 -07007479 }
7480 break;
Marcel Holtmannced85542015-03-14 19:27:56 -07007481 case HCI_AMP:
7482 ev.type = 0x02;
7483 break;
7484 default:
7485 return;
Marcel Holtmannf9207332015-03-14 19:27:55 -07007486 }
Marcel Holtmannced85542015-03-14 19:27:56 -07007487
7488 ev.bus = hdev->bus;
7489
7490 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
7491 HCI_MGMT_EXT_INDEX_EVENTS);
Johan Hedbergc71e97b2010-12-13 21:07:07 +02007492}
7493
Marcel Holtmannbf6b56d2013-10-06 23:55:45 -07007494void mgmt_index_removed(struct hci_dev *hdev)
Johan Hedbergc71e97b2010-12-13 21:07:07 +02007495{
Marcel Holtmannced85542015-03-14 19:27:56 -07007496 struct mgmt_ev_ext_index ev;
Johan Hedberg5f159032012-03-02 03:13:19 +02007497 u8 status = MGMT_STATUS_INVALID_INDEX;
Johan Hedbergb24752f2011-11-03 14:40:33 +02007498
Marcel Holtmann0602a8a2014-07-02 21:30:54 +02007499 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7500 return;
7501
Marcel Holtmannf9207332015-03-14 19:27:55 -07007502 switch (hdev->dev_type) {
7503 case HCI_BREDR:
7504 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
Johan Hedbergb24752f2011-11-03 14:40:33 +02007505
Marcel Holtmannf9207332015-03-14 19:27:55 -07007506 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7507 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
7508 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
Marcel Holtmannced85542015-03-14 19:27:56 -07007509 ev.type = 0x01;
Marcel Holtmannf9207332015-03-14 19:27:55 -07007510 } else {
7511 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
7512 HCI_MGMT_INDEX_EVENTS);
Marcel Holtmannced85542015-03-14 19:27:56 -07007513 ev.type = 0x00;
Marcel Holtmannf9207332015-03-14 19:27:55 -07007514 }
7515 break;
Marcel Holtmannced85542015-03-14 19:27:56 -07007516 case HCI_AMP:
7517 ev.type = 0x02;
7518 break;
7519 default:
7520 return;
Marcel Holtmannf9207332015-03-14 19:27:55 -07007521 }
Marcel Holtmannced85542015-03-14 19:27:56 -07007522
7523 ev.bus = hdev->bus;
7524
7525 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
7526 HCI_MGMT_EXT_INDEX_EVENTS);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02007527}
7528
Andre Guedes6046dc32014-02-26 20:21:51 -03007529/* This function requires the caller holds hdev->lock */
Johan Hedberg2cf22212014-12-19 22:26:00 +02007530static void restart_le_actions(struct hci_request *req)
Andre Guedes6046dc32014-02-26 20:21:51 -03007531{
Johan Hedberg2cf22212014-12-19 22:26:00 +02007532 struct hci_dev *hdev = req->hdev;
Andre Guedes6046dc32014-02-26 20:21:51 -03007533 struct hci_conn_params *p;
7534
7535 list_for_each_entry(p, &hdev->le_conn_params, list) {
Johan Hedbergd7347f32014-07-04 12:37:23 +03007536 /* Needed for AUTO_OFF case where might not "really"
7537 * have been powered off.
7538 */
7539 list_del_init(&p->action);
7540
7541 switch (p->auto_connect) {
Marcel Holtmann4b9e7e72014-07-23 21:55:23 +02007542 case HCI_AUTO_CONN_DIRECT:
Johan Hedbergd7347f32014-07-04 12:37:23 +03007543 case HCI_AUTO_CONN_ALWAYS:
7544 list_add(&p->action, &hdev->pend_le_conns);
7545 break;
7546 case HCI_AUTO_CONN_REPORT:
7547 list_add(&p->action, &hdev->pend_le_reports);
7548 break;
7549 default:
7550 break;
Marcel Holtmannc83ed192014-07-01 19:28:24 +02007551 }
Andre Guedes6046dc32014-02-26 20:21:51 -03007552 }
Marcel Holtmannc83ed192014-07-01 19:28:24 +02007553
Johan Hedberg2cf22212014-12-19 22:26:00 +02007554 __hci_update_background_scan(req);
Andre Guedes6046dc32014-02-26 20:21:51 -03007555}
7556
Marcel Holtmann1904a852015-01-11 13:50:44 -08007557static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Johan Hedberg229ab392013-03-15 17:06:53 -05007558{
7559 struct cmd_lookup match = { NULL, hdev };
7560
7561 BT_DBG("status 0x%02x", status);
7562
Marcel Holtmann162a3ba2015-01-14 15:43:11 -08007563 if (!status) {
7564 /* Register the available SMP channels (BR/EDR and LE) only
7565 * when successfully powering on the controller. This late
7566 * registration is required so that LE SMP can clearly
7567 * decide if the public address or static address is used.
7568 */
7569 smp_register(hdev);
7570 }
7571
Johan Hedberg229ab392013-03-15 17:06:53 -05007572 hci_dev_lock(hdev);
7573
7574 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
7575
7576 new_settings(hdev, match.sk);
7577
7578 hci_dev_unlock(hdev);
7579
7580 if (match.sk)
7581 sock_put(match.sk);
7582}
7583
Johan Hedberg70da6242013-03-15 17:06:51 -05007584static int powered_update_hci(struct hci_dev *hdev)
7585{
Johan Hedberg890ea892013-03-15 17:06:52 -05007586 struct hci_request req;
Florian Grandel320b3bf2015-06-18 03:16:49 +02007587 struct adv_info *adv_instance;
Johan Hedberg70da6242013-03-15 17:06:51 -05007588 u8 link_sec;
7589
Johan Hedberg890ea892013-03-15 17:06:52 -05007590 hci_req_init(&req, hdev);
7591
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07007592 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
Johan Hedberg70da6242013-03-15 17:06:51 -05007593 !lmp_host_ssp_capable(hdev)) {
Marcel Holtmann574ea3c2015-01-22 11:15:20 -08007594 u8 mode = 0x01;
Johan Hedberg70da6242013-03-15 17:06:51 -05007595
Marcel Holtmann574ea3c2015-01-22 11:15:20 -08007596 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
Johan Hedberg70da6242013-03-15 17:06:51 -05007597
Marcel Holtmann574ea3c2015-01-22 11:15:20 -08007598 if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) {
7599 u8 support = 0x01;
7600
7601 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT,
7602 sizeof(support), &support);
7603 }
Johan Hedbergec6f99b2014-12-12 13:30:11 +02007604 }
7605
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07007606 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
Johan Hedbergc73eee92013-04-19 18:35:21 +03007607 lmp_bredr_capable(hdev)) {
Johan Hedberg70da6242013-03-15 17:06:51 -05007608 struct hci_cp_write_le_host_supported cp;
7609
Marcel Holtmann32226e42014-07-24 20:04:16 +02007610 cp.le = 0x01;
7611 cp.simul = 0x00;
Johan Hedberg70da6242013-03-15 17:06:51 -05007612
7613 /* Check first if we already have the right
7614 * host state (host features set)
7615 */
7616 if (cp.le != lmp_host_le_capable(hdev) ||
7617 cp.simul != lmp_host_le_br_capable(hdev))
Johan Hedberg890ea892013-03-15 17:06:52 -05007618 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
7619 sizeof(cp), &cp);
Johan Hedberg70da6242013-03-15 17:06:51 -05007620 }
7621
Marcel Holtmannd13eafc2013-10-02 04:41:30 -07007622 if (lmp_le_capable(hdev)) {
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07007623 /* Make sure the controller has a good default for
7624 * advertising data. This also applies to the case
7625 * where BR/EDR was toggled during the AUTO_OFF phase.
7626 */
Florian Grandel320b3bf2015-06-18 03:16:49 +02007627 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
7628 (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7629 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))) {
Marcel Holtmann5947f4b2013-10-16 00:16:50 -07007630 update_adv_data(&req);
Marcel Holtmannf14d8f62013-10-16 00:16:48 -07007631 update_scan_rsp_data(&req);
7632 }
Marcel Holtmann441ad2d2013-10-15 06:33:52 -07007633
Florian Grandel320b3bf2015-06-18 03:16:49 +02007634 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7635 hdev->cur_adv_instance == 0x00 &&
7636 !list_empty(&hdev->adv_instances)) {
7637 adv_instance = list_first_entry(&hdev->adv_instances,
7638 struct adv_info, list);
7639 hdev->cur_adv_instance = adv_instance->instance;
7640 }
7641
7642 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
Marcel Holtmannbba3aa52013-10-06 02:55:21 -07007643 enable_advertising(&req);
Florian Grandel320b3bf2015-06-18 03:16:49 +02007644 else if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7645 hdev->cur_adv_instance)
7646 schedule_adv_instance(&req, hdev->cur_adv_instance,
7647 true);
Johan Hedberg2cf22212014-12-19 22:26:00 +02007648
7649 restart_le_actions(&req);
Johan Hedbergeeca6f82013-09-25 13:26:09 +03007650 }
7651
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07007652 link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
Johan Hedberg70da6242013-03-15 17:06:51 -05007653 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
Johan Hedberg890ea892013-03-15 17:06:52 -05007654 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
7655 sizeof(link_sec), &link_sec);
Johan Hedberg70da6242013-03-15 17:06:51 -05007656
7657 if (lmp_bredr_capable(hdev)) {
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07007658 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
Johan Hedberg406ef2a2015-03-10 20:14:27 +02007659 write_fast_connectable(&req, true);
7660 else
7661 write_fast_connectable(&req, false);
Johan Hedberg1d2dc5b2014-12-19 13:40:19 +02007662 __hci_update_page_scan(&req);
Johan Hedberg890ea892013-03-15 17:06:52 -05007663 update_class(&req);
Johan Hedberg13928972013-03-15 17:07:00 -05007664 update_name(&req);
Johan Hedberg890ea892013-03-15 17:06:52 -05007665 update_eir(&req);
Johan Hedberg70da6242013-03-15 17:06:51 -05007666 }
7667
Johan Hedberg229ab392013-03-15 17:06:53 -05007668 return hci_req_run(&req, powered_complete);
Johan Hedberg70da6242013-03-15 17:06:51 -05007669}
7670
Johan Hedberg744cf192011-11-08 20:40:14 +02007671int mgmt_powered(struct hci_dev *hdev, u8 powered)
Johan Hedberg5add6af2010-12-16 10:00:37 +02007672{
Johan Hedberg76a7f3a2012-02-17 00:34:40 +02007673 struct cmd_lookup match = { NULL, hdev };
Johan Hedberg98459042014-12-12 11:15:21 +02007674 u8 status, zero_cod[] = { 0, 0, 0 };
Johan Hedberg7bb895d2012-02-17 01:20:00 +02007675 int err;
Johan Hedberg5add6af2010-12-16 10:00:37 +02007676
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07007677 if (!hci_dev_test_flag(hdev, HCI_MGMT))
Johan Hedberg5e5282b2012-02-21 16:01:30 +02007678 return 0;
7679
Johan Hedberg5e5282b2012-02-21 16:01:30 +02007680 if (powered) {
Johan Hedberg229ab392013-03-15 17:06:53 -05007681 if (powered_update_hci(hdev) == 0)
7682 return 0;
Johan Hedbergfe038882013-01-16 16:15:34 +02007683
Johan Hedberg229ab392013-03-15 17:06:53 -05007684 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
7685 &match);
7686 goto new_settings;
Johan Hedbergb24752f2011-11-03 14:40:33 +02007687 }
7688
Johan Hedberg229ab392013-03-15 17:06:53 -05007689 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
Johan Hedberg98459042014-12-12 11:15:21 +02007690
7691 /* If the power off is because of hdev unregistration let
7692 * use the appropriate INVALID_INDEX status. Otherwise use
7693 * NOT_POWERED. We cover both scenarios here since later in
7694 * mgmt_index_removed() any hci_conn callbacks will have already
7695 * been triggered, potentially causing misleading DISCONNECTED
7696 * status responses.
7697 */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07007698 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
Johan Hedberg98459042014-12-12 11:15:21 +02007699 status = MGMT_STATUS_INVALID_INDEX;
7700 else
7701 status = MGMT_STATUS_NOT_POWERED;
7702
7703 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
Johan Hedberg229ab392013-03-15 17:06:53 -05007704
7705 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
Marcel Holtmannf6b77122015-03-14 19:28:05 -07007706 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7707 zero_cod, sizeof(zero_cod), NULL);
Johan Hedberg229ab392013-03-15 17:06:53 -05007708
7709new_settings:
Johan Hedbergbeadb2b2012-02-21 16:55:31 +02007710 err = new_settings(hdev, match.sk);
Johan Hedbergeec8d2b2010-12-16 10:17:38 +02007711
7712 if (match.sk)
7713 sock_put(match.sk);
7714
Johan Hedberg7bb895d2012-02-17 01:20:00 +02007715 return err;
Johan Hedberg5add6af2010-12-16 10:00:37 +02007716}
Johan Hedberg73f22f62010-12-29 16:00:25 +02007717
Marcel Holtmann3eec7052013-10-06 23:55:46 -07007718void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
Johan Hedberg96570ff2013-05-29 09:51:29 +03007719{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02007720 struct mgmt_pending_cmd *cmd;
Johan Hedberg96570ff2013-05-29 09:51:29 +03007721 u8 status;
7722
Johan Hedberg333ae952015-03-17 13:48:47 +02007723 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
Johan Hedberg96570ff2013-05-29 09:51:29 +03007724 if (!cmd)
Marcel Holtmann3eec7052013-10-06 23:55:46 -07007725 return;
Johan Hedberg96570ff2013-05-29 09:51:29 +03007726
7727 if (err == -ERFKILL)
7728 status = MGMT_STATUS_RFKILLED;
7729 else
7730 status = MGMT_STATUS_FAILED;
7731
Johan Hedberga69e8372015-03-06 21:08:53 +02007732 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
Johan Hedberg96570ff2013-05-29 09:51:29 +03007733
7734 mgmt_pending_remove(cmd);
Johan Hedberg96570ff2013-05-29 09:51:29 +03007735}
7736
Marcel Holtmannd1967ff2013-10-15 10:57:40 -07007737void mgmt_discoverable_timeout(struct hci_dev *hdev)
7738{
7739 struct hci_request req;
Marcel Holtmannd1967ff2013-10-15 10:57:40 -07007740
7741 hci_dev_lock(hdev);
7742
7743 /* When discoverable timeout triggers, then just make sure
7744 * the limited discoverable flag is cleared. Even in the case
7745 * of a timeout triggered from general discoverable, it is
7746 * safe to unconditionally clear the flag.
7747 */
Marcel Holtmanna358dc12015-03-13 02:11:02 -07007748 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
7749 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
Marcel Holtmannd1967ff2013-10-15 10:57:40 -07007750
7751 hci_req_init(&req, hdev);
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07007752 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
Johan Hedberg4b580612013-10-19 23:38:21 +03007753 u8 scan = SCAN_PAGE;
7754 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
7755 sizeof(scan), &scan);
7756 }
Marcel Holtmannd1967ff2013-10-15 10:57:40 -07007757 update_class(&req);
Arman Uguray24b4f382015-03-23 15:57:12 -07007758
7759 /* Advertising instances don't use the global discoverable setting, so
7760 * only update AD if advertising was enabled using Set Advertising.
7761 */
7762 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
7763 update_adv_data(&req);
7764
Marcel Holtmannd1967ff2013-10-15 10:57:40 -07007765 hci_req_run(&req, NULL);
7766
7767 hdev->discov_timeout = 0;
7768
Johan Hedberg9a43e252013-10-20 19:00:07 +03007769 new_settings(hdev, NULL);
7770
Marcel Holtmannd1967ff2013-10-15 10:57:40 -07007771 hci_dev_unlock(hdev);
7772}
7773
Marcel Holtmanndc4a5ee2013-10-15 10:15:57 -07007774void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
7775 bool persistent)
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02007776{
Johan Hedberg86742e12011-11-07 23:13:38 +02007777 struct mgmt_ev_new_link_key ev;
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02007778
Vinicius Costa Gomesa492cd52011-08-25 20:02:29 -03007779 memset(&ev, 0, sizeof(ev));
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02007780
Vinicius Costa Gomesa492cd52011-08-25 20:02:29 -03007781 ev.store_hint = persistent;
Johan Hedbergd753fdc2012-02-17 14:06:34 +02007782 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
Andre Guedes591f47f2012-04-24 21:02:49 -03007783 ev.key.addr.type = BDADDR_BREDR;
Vinicius Costa Gomesa492cd52011-08-25 20:02:29 -03007784 ev.key.type = key->type;
Andrei Emeltchenko9b3b4462012-05-23 11:31:20 +03007785 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
Vinicius Costa Gomesa492cd52011-08-25 20:02:29 -03007786 ev.key.pin_len = key->pin_len;
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02007787
Marcel Holtmanndc4a5ee2013-10-15 10:15:57 -07007788 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
Johan Hedberg55ed8ca12011-01-17 14:41:05 +02007789}
Johan Hedbergf7520542011-01-20 12:34:39 +02007790
Johan Hedbergd7b25452014-05-23 13:19:53 +03007791static u8 mgmt_ltk_type(struct smp_ltk *ltk)
7792{
Johan Hedberg23fb8de2014-05-23 13:15:37 +03007793 switch (ltk->type) {
7794 case SMP_LTK:
7795 case SMP_LTK_SLAVE:
7796 if (ltk->authenticated)
7797 return MGMT_LTK_AUTHENTICATED;
7798 return MGMT_LTK_UNAUTHENTICATED;
7799 case SMP_LTK_P256:
7800 if (ltk->authenticated)
7801 return MGMT_LTK_P256_AUTH;
7802 return MGMT_LTK_P256_UNAUTH;
7803 case SMP_LTK_P256_DEBUG:
7804 return MGMT_LTK_P256_DEBUG;
7805 }
Johan Hedbergd7b25452014-05-23 13:19:53 +03007806
7807 return MGMT_LTK_UNAUTHENTICATED;
7808}
7809
Marcel Holtmann53ac6ab2014-03-09 23:38:42 -07007810void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03007811{
7812 struct mgmt_ev_new_long_term_key ev;
7813
7814 memset(&ev, 0, sizeof(ev));
7815
Marcel Holtmann5192d302014-02-19 17:11:58 -08007816 /* Devices using resolvable or non-resolvable random addresses
Florian Grandelf72186d2015-05-26 03:31:09 +02007817 * without providing an identity resolving key don't require
Marcel Holtmann5192d302014-02-19 17:11:58 -08007818 * to store long term keys. Their addresses will change the
7819 * next time around.
7820 *
7821 * Only when a remote device provides an identity address
7822 * make sure the long term key is stored. If the remote
7823 * identity is known, the long term keys are internally
7824 * mapped to the identity address. So allow static random
7825 * and public addresses here.
7826 */
Johan Hedbergba74b662014-02-19 14:57:45 +02007827 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7828 (key->bdaddr.b[5] & 0xc0) != 0xc0)
7829 ev.store_hint = 0x00;
7830 else
Marcel Holtmann53ac6ab2014-03-09 23:38:42 -07007831 ev.store_hint = persistent;
Johan Hedbergba74b662014-02-19 14:57:45 +02007832
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03007833 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
Andre Guedes57c14772012-04-24 21:02:50 -03007834 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
Johan Hedbergd7b25452014-05-23 13:19:53 +03007835 ev.key.type = mgmt_ltk_type(key);
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03007836 ev.key.enc_size = key->enc_size;
7837 ev.key.ediv = key->ediv;
Marcel Holtmannfe39c7b2014-02-27 16:00:28 -08007838 ev.key.rand = key->rand;
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03007839
Johan Hedberg2ceba532014-06-16 19:25:16 +03007840 if (key->type == SMP_LTK)
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03007841 ev.key.master = 1;
7842
Johan Hedberg1fc62c52015-06-10 11:11:20 +03007843 /* Make sure we copy only the significant bytes based on the
7844 * encryption key size, and set the rest of the value to zeroes.
7845 */
7846 memcpy(ev.key.val, key->val, sizeof(key->enc_size));
7847 memset(ev.key.val + key->enc_size, 0,
7848 sizeof(ev.key.val) - key->enc_size);
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03007849
Marcel Holtmann083368f2013-10-15 14:26:29 -07007850 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
Vinicius Costa Gomes346af672012-02-02 21:08:02 -03007851}
7852
Johan Hedberg95fbac82014-02-19 15:18:31 +02007853void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
7854{
7855 struct mgmt_ev_new_irk ev;
7856
7857 memset(&ev, 0, sizeof(ev));
7858
Marcel Holtmannbab6d1e2014-02-19 11:51:54 -08007859 /* For identity resolving keys from devices that are already
7860 * using a public address or static random address, do not
7861 * ask for storing this key. The identity resolving key really
Florian Grandelf72186d2015-05-26 03:31:09 +02007862 * is only mandatory for devices using resolvable random
Marcel Holtmannbab6d1e2014-02-19 11:51:54 -08007863 * addresses.
7864 *
7865 * Storing all identity resolving keys has the downside that
7866 * they will be also loaded on next boot of they system. More
7867 * identity resolving keys, means more time during scanning is
7868 * needed to actually resolve these addresses.
7869 */
7870 if (bacmp(&irk->rpa, BDADDR_ANY))
7871 ev.store_hint = 0x01;
7872 else
7873 ev.store_hint = 0x00;
7874
Johan Hedberg95fbac82014-02-19 15:18:31 +02007875 bacpy(&ev.rpa, &irk->rpa);
7876 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
7877 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
7878 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
7879
7880 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
7881}
7882
Marcel Holtmann53ac6ab2014-03-09 23:38:42 -07007883void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
7884 bool persistent)
Marcel Holtmann7ee4ea32014-03-09 12:19:17 -07007885{
7886 struct mgmt_ev_new_csrk ev;
7887
7888 memset(&ev, 0, sizeof(ev));
7889
7890 /* Devices using resolvable or non-resolvable random addresses
Florian Grandelf72186d2015-05-26 03:31:09 +02007891 * without providing an identity resolving key don't require
Marcel Holtmann7ee4ea32014-03-09 12:19:17 -07007892 * to store signature resolving keys. Their addresses will change
7893 * the next time around.
7894 *
7895 * Only when a remote device provides an identity address
7896 * make sure the signature resolving key is stored. So allow
7897 * static random and public addresses here.
7898 */
7899 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7900 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
7901 ev.store_hint = 0x00;
7902 else
Marcel Holtmann53ac6ab2014-03-09 23:38:42 -07007903 ev.store_hint = persistent;
Marcel Holtmann7ee4ea32014-03-09 12:19:17 -07007904
7905 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
7906 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
Johan Hedberg4cd39282015-02-27 10:11:13 +02007907 ev.key.type = csrk->type;
Marcel Holtmann7ee4ea32014-03-09 12:19:17 -07007908 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
7909
7910 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
7911}
7912
Andre Guedesffb5a8272014-07-01 18:10:11 -03007913void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
Johan Hedbergf4869e22014-07-02 17:37:32 +03007914 u8 bdaddr_type, u8 store_hint, u16 min_interval,
7915 u16 max_interval, u16 latency, u16 timeout)
Andre Guedesffb5a8272014-07-01 18:10:11 -03007916{
7917 struct mgmt_ev_new_conn_param ev;
7918
Johan Hedbergc103aea2014-07-02 17:37:34 +03007919 if (!hci_is_identity_address(bdaddr, bdaddr_type))
7920 return;
7921
Andre Guedesffb5a8272014-07-01 18:10:11 -03007922 memset(&ev, 0, sizeof(ev));
7923 bacpy(&ev.addr.bdaddr, bdaddr);
7924 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
Johan Hedbergf4869e22014-07-02 17:37:32 +03007925 ev.store_hint = store_hint;
Andre Guedesffb5a8272014-07-01 18:10:11 -03007926 ev.min_interval = cpu_to_le16(min_interval);
7927 ev.max_interval = cpu_to_le16(max_interval);
7928 ev.latency = cpu_to_le16(latency);
7929 ev.timeout = cpu_to_le16(timeout);
7930
7931 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
7932}
7933
Alfonso Acosta48ec92f2014-10-07 08:44:10 +00007934void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
7935 u32 flags, u8 *name, u8 name_len)
Johan Hedbergf7520542011-01-20 12:34:39 +02007936{
Johan Hedbergb644ba32012-01-17 21:48:47 +02007937 char buf[512];
7938 struct mgmt_ev_device_connected *ev = (void *) buf;
7939 u16 eir_len = 0;
Johan Hedbergf7520542011-01-20 12:34:39 +02007940
Alfonso Acosta48ec92f2014-10-07 08:44:10 +00007941 bacpy(&ev->addr.bdaddr, &conn->dst);
7942 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
Johan Hedbergf7520542011-01-20 12:34:39 +02007943
Johan Hedbergc95f0ba2012-02-23 22:54:38 +02007944 ev->flags = __cpu_to_le32(flags);
Johan Hedberg08c79b62012-02-23 22:31:51 +02007945
Alfonso Acostafd45ada2014-10-07 08:44:11 +00007946 /* We must ensure that the EIR Data fields are ordered and
7947 * unique. Keep it simple for now and avoid the problem by not
7948 * adding any BR/EDR data to the LE adv.
7949 */
7950 if (conn->le_adv_data_len > 0) {
7951 memcpy(&ev->eir[eir_len],
7952 conn->le_adv_data, conn->le_adv_data_len);
7953 eir_len = conn->le_adv_data_len;
7954 } else {
7955 if (name_len > 0)
7956 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
7957 name, name_len);
Johan Hedbergb644ba32012-01-17 21:48:47 +02007958
Alfonso Acostaddbea5c2014-10-07 08:44:12 +00007959 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
Alfonso Acostafd45ada2014-10-07 08:44:11 +00007960 eir_len = eir_append_data(ev->eir, eir_len,
7961 EIR_CLASS_OF_DEV,
7962 conn->dev_class, 3);
7963 }
Johan Hedbergb644ba32012-01-17 21:48:47 +02007964
Marcel Holtmanneb55ef02012-03-14 18:08:46 +02007965 ev->eir_len = cpu_to_le16(eir_len);
Johan Hedbergb644ba32012-01-17 21:48:47 +02007966
Marcel Holtmannecd90ae2013-10-06 23:55:49 -07007967 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
7968 sizeof(*ev) + eir_len, NULL);
Johan Hedbergf7520542011-01-20 12:34:39 +02007969}
7970
Johan Hedberg3b0602c2015-03-06 21:08:55 +02007971static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
Johan Hedberg8962ee72011-01-20 12:40:27 +02007972{
Johan Hedberg8962ee72011-01-20 12:40:27 +02007973 struct sock **sk = data;
Johan Hedberg8962ee72011-01-20 12:40:27 +02007974
Johan Hedbergf5818c22014-12-05 13:36:02 +02007975 cmd->cmd_complete(cmd, 0);
Johan Hedberg8962ee72011-01-20 12:40:27 +02007976
7977 *sk = cmd->sk;
7978 sock_hold(*sk);
7979
Johan Hedberga664b5b2011-02-19 12:06:02 -03007980 mgmt_pending_remove(cmd);
Johan Hedberg8962ee72011-01-20 12:40:27 +02007981}
7982
Johan Hedberg3b0602c2015-03-06 21:08:55 +02007983static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
Johan Hedberga8a1d192011-11-10 15:54:38 +02007984{
Johan Hedbergb1078ad2012-02-09 17:21:16 +02007985 struct hci_dev *hdev = data;
Johan Hedberg124f6e32012-02-09 13:50:12 +02007986 struct mgmt_cp_unpair_device *cp = cmd->param;
Johan Hedberga8a1d192011-11-10 15:54:38 +02007987
Johan Hedbergb1078ad2012-02-09 17:21:16 +02007988 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
7989
Johan Hedbergd8b7b1e2014-12-05 13:36:05 +02007990 cmd->cmd_complete(cmd, 0);
Johan Hedberga8a1d192011-11-10 15:54:38 +02007991 mgmt_pending_remove(cmd);
7992}
7993
Johan Hedberg84c61d92014-08-01 11:13:30 +03007994bool mgmt_powering_down(struct hci_dev *hdev)
7995{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02007996 struct mgmt_pending_cmd *cmd;
Johan Hedberg84c61d92014-08-01 11:13:30 +03007997 struct mgmt_mode *cp;
7998
Johan Hedberg333ae952015-03-17 13:48:47 +02007999 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
Johan Hedberg84c61d92014-08-01 11:13:30 +03008000 if (!cmd)
8001 return false;
8002
8003 cp = cmd->param;
8004 if (!cp->val)
8005 return true;
8006
8007 return false;
8008}
8009
Marcel Holtmann9b80ec52013-10-06 23:55:50 -07008010void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
Johan Hedberg12d4a3b2014-02-24 14:52:18 +02008011 u8 link_type, u8 addr_type, u8 reason,
8012 bool mgmt_connected)
Johan Hedbergf7520542011-01-20 12:34:39 +02008013{
Mikel Astizf0d6a0e2012-08-09 09:52:30 +02008014 struct mgmt_ev_device_disconnected ev;
Johan Hedberg8962ee72011-01-20 12:40:27 +02008015 struct sock *sk = NULL;
Johan Hedberg8962ee72011-01-20 12:40:27 +02008016
Johan Hedberg84c61d92014-08-01 11:13:30 +03008017 /* The connection is still in hci_conn_hash so test for 1
8018 * instead of 0 to know if this is the last one.
8019 */
8020 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8021 cancel_delayed_work(&hdev->power_off);
8022 queue_work(hdev->req_workqueue, &hdev->power_off.work);
Johan Hedberg8b064a32014-02-24 14:52:22 +02008023 }
8024
Johan Hedberg12d4a3b2014-02-24 14:52:18 +02008025 if (!mgmt_connected)
8026 return;
8027
Andre Guedes57eb7762013-10-30 19:01:41 -03008028 if (link_type != ACL_LINK && link_type != LE_LINK)
8029 return;
8030
Johan Hedberg744cf192011-11-08 20:40:14 +02008031 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
Johan Hedbergf7520542011-01-20 12:34:39 +02008032
Mikel Astizf0d6a0e2012-08-09 09:52:30 +02008033 bacpy(&ev.addr.bdaddr, bdaddr);
8034 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8035 ev.reason = reason;
Johan Hedbergf7520542011-01-20 12:34:39 +02008036
Marcel Holtmann9b80ec52013-10-06 23:55:50 -07008037 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
Johan Hedberg8962ee72011-01-20 12:40:27 +02008038
8039 if (sk)
Szymon Jancd97dcb62012-03-16 16:02:56 +01008040 sock_put(sk);
Johan Hedberg8962ee72011-01-20 12:40:27 +02008041
Johan Hedberg124f6e32012-02-09 13:50:12 +02008042 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008043 hdev);
Johan Hedberg8962ee72011-01-20 12:40:27 +02008044}
8045
Marcel Holtmann78929242013-10-06 23:55:47 -07008046void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
8047 u8 link_type, u8 addr_type, u8 status)
Johan Hedberg8962ee72011-01-20 12:40:27 +02008048{
Andre Guedes3655bba2013-10-30 19:01:40 -03008049 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
8050 struct mgmt_cp_disconnect *cp;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02008051 struct mgmt_pending_cmd *cmd;
Johan Hedberg8962ee72011-01-20 12:40:27 +02008052
Jefferson Delfes36a75f12012-09-18 13:36:54 -04008053 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
8054 hdev);
8055
Johan Hedberg333ae952015-03-17 13:48:47 +02008056 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
Johan Hedberg8962ee72011-01-20 12:40:27 +02008057 if (!cmd)
Marcel Holtmann78929242013-10-06 23:55:47 -07008058 return;
Johan Hedberg8962ee72011-01-20 12:40:27 +02008059
Andre Guedes3655bba2013-10-30 19:01:40 -03008060 cp = cmd->param;
8061
8062 if (bacmp(bdaddr, &cp->addr.bdaddr))
8063 return;
8064
8065 if (cp->addr.type != bdaddr_type)
8066 return;
8067
Johan Hedbergf5818c22014-12-05 13:36:02 +02008068 cmd->cmd_complete(cmd, mgmt_status(status));
Johan Hedberga664b5b2011-02-19 12:06:02 -03008069 mgmt_pending_remove(cmd);
Johan Hedbergf7520542011-01-20 12:34:39 +02008070}
Johan Hedberg17d5c042011-01-22 06:09:08 +02008071
Marcel Holtmann445608d2013-10-06 23:55:48 -07008072void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8073 u8 addr_type, u8 status)
Johan Hedberg17d5c042011-01-22 06:09:08 +02008074{
8075 struct mgmt_ev_connect_failed ev;
Johan Hedbergc9910d02014-02-27 14:35:12 +02008076
Johan Hedberg84c61d92014-08-01 11:13:30 +03008077 /* The connection is still in hci_conn_hash so test for 1
8078 * instead of 0 to know if this is the last one.
8079 */
8080 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8081 cancel_delayed_work(&hdev->power_off);
8082 queue_work(hdev->req_workqueue, &hdev->power_off.work);
Johan Hedbergc9910d02014-02-27 14:35:12 +02008083 }
Johan Hedberg17d5c042011-01-22 06:09:08 +02008084
Johan Hedberg4c659c32011-11-07 23:13:39 +02008085 bacpy(&ev.addr.bdaddr, bdaddr);
Andre Guedes57c14772012-04-24 21:02:50 -03008086 ev.addr.type = link_to_bdaddr(link_type, addr_type);
Johan Hedbergca69b792011-11-11 18:10:00 +02008087 ev.status = mgmt_status(status);
Johan Hedberg17d5c042011-01-22 06:09:08 +02008088
Marcel Holtmann445608d2013-10-06 23:55:48 -07008089 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
Johan Hedberg17d5c042011-01-22 06:09:08 +02008090}
Johan Hedberg980e1a52011-01-22 06:10:07 +02008091
Marcel Holtmannce0e4a02013-10-15 14:26:20 -07008092void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
Johan Hedberg980e1a52011-01-22 06:10:07 +02008093{
8094 struct mgmt_ev_pin_code_request ev;
8095
Johan Hedbergd8457692012-02-17 14:24:57 +02008096 bacpy(&ev.addr.bdaddr, bdaddr);
Andre Guedes591f47f2012-04-24 21:02:49 -03008097 ev.addr.type = BDADDR_BREDR;
Waldemar Rymarkiewicza770bb52011-04-28 12:07:59 +02008098 ev.secure = secure;
Johan Hedberg980e1a52011-01-22 06:10:07 +02008099
Marcel Holtmannce0e4a02013-10-15 14:26:20 -07008100 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
Johan Hedberg980e1a52011-01-22 06:10:07 +02008101}
8102
Marcel Holtmanne669cf82013-10-15 14:26:21 -07008103void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8104 u8 status)
Johan Hedberg980e1a52011-01-22 06:10:07 +02008105{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02008106 struct mgmt_pending_cmd *cmd;
Johan Hedberg980e1a52011-01-22 06:10:07 +02008107
Johan Hedberg333ae952015-03-17 13:48:47 +02008108 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
Johan Hedberg980e1a52011-01-22 06:10:07 +02008109 if (!cmd)
Marcel Holtmanne669cf82013-10-15 14:26:21 -07008110 return;
Johan Hedberg980e1a52011-01-22 06:10:07 +02008111
Johan Hedberg7776d1d2014-12-05 13:36:03 +02008112 cmd->cmd_complete(cmd, mgmt_status(status));
Johan Hedberga664b5b2011-02-19 12:06:02 -03008113 mgmt_pending_remove(cmd);
Johan Hedberg980e1a52011-01-22 06:10:07 +02008114}
8115
Marcel Holtmann3eb38522013-10-15 14:26:22 -07008116void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8117 u8 status)
Johan Hedberg980e1a52011-01-22 06:10:07 +02008118{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02008119 struct mgmt_pending_cmd *cmd;
Johan Hedberg980e1a52011-01-22 06:10:07 +02008120
Johan Hedberg333ae952015-03-17 13:48:47 +02008121 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
Johan Hedberg980e1a52011-01-22 06:10:07 +02008122 if (!cmd)
Marcel Holtmann3eb38522013-10-15 14:26:22 -07008123 return;
Johan Hedberg980e1a52011-01-22 06:10:07 +02008124
Johan Hedberg7776d1d2014-12-05 13:36:03 +02008125 cmd->cmd_complete(cmd, mgmt_status(status));
Johan Hedberga664b5b2011-02-19 12:06:02 -03008126 mgmt_pending_remove(cmd);
Johan Hedberg980e1a52011-01-22 06:10:07 +02008127}
Johan Hedberga5c29682011-02-19 12:05:57 -03008128
Johan Hedberg744cf192011-11-08 20:40:14 +02008129int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
Johan Hedberg39adbff2014-03-20 08:18:14 +02008130 u8 link_type, u8 addr_type, u32 value,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008131 u8 confirm_hint)
Johan Hedberga5c29682011-02-19 12:05:57 -03008132{
8133 struct mgmt_ev_user_confirm_request ev;
8134
Johan Hedberg744cf192011-11-08 20:40:14 +02008135 BT_DBG("%s", hdev->name);
Johan Hedberga5c29682011-02-19 12:05:57 -03008136
Johan Hedberg272d90d2012-02-09 15:26:12 +02008137 bacpy(&ev.addr.bdaddr, bdaddr);
Andre Guedes57c14772012-04-24 21:02:50 -03008138 ev.addr.type = link_to_bdaddr(link_type, addr_type);
Johan Hedberg55bc1a32011-04-28 11:28:56 -07008139 ev.confirm_hint = confirm_hint;
Johan Hedberg39adbff2014-03-20 08:18:14 +02008140 ev.value = cpu_to_le32(value);
Johan Hedberga5c29682011-02-19 12:05:57 -03008141
Johan Hedberg744cf192011-11-08 20:40:14 +02008142 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008143 NULL);
Johan Hedberga5c29682011-02-19 12:05:57 -03008144}
8145
Johan Hedberg272d90d2012-02-09 15:26:12 +02008146int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
Gustavo Padovan8ce8e2b2012-05-17 00:36:20 -03008147 u8 link_type, u8 addr_type)
Brian Gix604086b2011-11-23 08:28:33 -08008148{
8149 struct mgmt_ev_user_passkey_request ev;
8150
8151 BT_DBG("%s", hdev->name);
8152
Johan Hedberg272d90d2012-02-09 15:26:12 +02008153 bacpy(&ev.addr.bdaddr, bdaddr);
Andre Guedes57c14772012-04-24 21:02:50 -03008154 ev.addr.type = link_to_bdaddr(link_type, addr_type);
Brian Gix604086b2011-11-23 08:28:33 -08008155
8156 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008157 NULL);
Brian Gix604086b2011-11-23 08:28:33 -08008158}
8159
Brian Gix0df4c182011-11-16 13:53:13 -08008160static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
Gustavo Padovan8ce8e2b2012-05-17 00:36:20 -03008161 u8 link_type, u8 addr_type, u8 status,
8162 u8 opcode)
Johan Hedberga5c29682011-02-19 12:05:57 -03008163{
Johan Hedberg3b0602c2015-03-06 21:08:55 +02008164 struct mgmt_pending_cmd *cmd;
Johan Hedberga5c29682011-02-19 12:05:57 -03008165
Johan Hedberg333ae952015-03-17 13:48:47 +02008166 cmd = pending_find(opcode, hdev);
Johan Hedberga5c29682011-02-19 12:05:57 -03008167 if (!cmd)
8168 return -ENOENT;
8169
Johan Hedberg7776d1d2014-12-05 13:36:03 +02008170 cmd->cmd_complete(cmd, mgmt_status(status));
Johan Hedberga664b5b2011-02-19 12:06:02 -03008171 mgmt_pending_remove(cmd);
Johan Hedberga5c29682011-02-19 12:05:57 -03008172
Johan Hedberg7776d1d2014-12-05 13:36:03 +02008173 return 0;
Johan Hedberga5c29682011-02-19 12:05:57 -03008174}
8175
Johan Hedberg744cf192011-11-08 20:40:14 +02008176int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008177 u8 link_type, u8 addr_type, u8 status)
Johan Hedberga5c29682011-02-19 12:05:57 -03008178{
Johan Hedberg272d90d2012-02-09 15:26:12 +02008179 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008180 status, MGMT_OP_USER_CONFIRM_REPLY);
Johan Hedberga5c29682011-02-19 12:05:57 -03008181}
8182
Johan Hedberg272d90d2012-02-09 15:26:12 +02008183int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008184 u8 link_type, u8 addr_type, u8 status)
Johan Hedberga5c29682011-02-19 12:05:57 -03008185{
Johan Hedberg272d90d2012-02-09 15:26:12 +02008186 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
Gustavo Padovan8fc9ced2012-05-23 04:04:21 -03008187 status,
8188 MGMT_OP_USER_CONFIRM_NEG_REPLY);
Johan Hedberga5c29682011-02-19 12:05:57 -03008189}
Johan Hedberg2a611692011-02-19 12:06:00 -03008190
Brian Gix604086b2011-11-23 08:28:33 -08008191int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008192 u8 link_type, u8 addr_type, u8 status)
Brian Gix604086b2011-11-23 08:28:33 -08008193{
Johan Hedberg272d90d2012-02-09 15:26:12 +02008194 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008195 status, MGMT_OP_USER_PASSKEY_REPLY);
Brian Gix604086b2011-11-23 08:28:33 -08008196}
8197
Johan Hedberg272d90d2012-02-09 15:26:12 +02008198int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008199 u8 link_type, u8 addr_type, u8 status)
Brian Gix604086b2011-11-23 08:28:33 -08008200{
Johan Hedberg272d90d2012-02-09 15:26:12 +02008201 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
Gustavo Padovan8fc9ced2012-05-23 04:04:21 -03008202 status,
8203 MGMT_OP_USER_PASSKEY_NEG_REPLY);
Brian Gix604086b2011-11-23 08:28:33 -08008204}
8205
Johan Hedberg92a25252012-09-06 18:39:26 +03008206int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
8207 u8 link_type, u8 addr_type, u32 passkey,
8208 u8 entered)
8209{
8210 struct mgmt_ev_passkey_notify ev;
8211
8212 BT_DBG("%s", hdev->name);
8213
8214 bacpy(&ev.addr.bdaddr, bdaddr);
8215 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8216 ev.passkey = __cpu_to_le32(passkey);
8217 ev.entered = entered;
8218
8219 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
8220}
8221
Johan Hedberge1e930f2014-09-08 17:09:49 -07008222void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
Johan Hedberg2a611692011-02-19 12:06:00 -03008223{
8224 struct mgmt_ev_auth_failed ev;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02008225 struct mgmt_pending_cmd *cmd;
Johan Hedberge1e930f2014-09-08 17:09:49 -07008226 u8 status = mgmt_status(hci_status);
Johan Hedberg2a611692011-02-19 12:06:00 -03008227
Johan Hedberge1e930f2014-09-08 17:09:49 -07008228 bacpy(&ev.addr.bdaddr, &conn->dst);
8229 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
8230 ev.status = status;
Johan Hedberg2a611692011-02-19 12:06:00 -03008231
Johan Hedberge1e930f2014-09-08 17:09:49 -07008232 cmd = find_pairing(conn);
8233
8234 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
8235 cmd ? cmd->sk : NULL);
8236
Johan Hedberga511b352014-12-11 21:45:45 +02008237 if (cmd) {
8238 cmd->cmd_complete(cmd, status);
8239 mgmt_pending_remove(cmd);
8240 }
Johan Hedberg2a611692011-02-19 12:06:00 -03008241}
Johan Hedbergb312b1612011-03-16 14:29:37 +02008242
Marcel Holtmann464996a2013-10-15 14:26:24 -07008243void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
Johan Hedberg33ef95e2012-02-16 23:56:27 +02008244{
8245 struct cmd_lookup match = { NULL, hdev };
Marcel Holtmann464996a2013-10-15 14:26:24 -07008246 bool changed;
Johan Hedberg33ef95e2012-02-16 23:56:27 +02008247
8248 if (status) {
8249 u8 mgmt_err = mgmt_status(status);
8250 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008251 cmd_status_rsp, &mgmt_err);
Marcel Holtmann464996a2013-10-15 14:26:24 -07008252 return;
Johan Hedberg33ef95e2012-02-16 23:56:27 +02008253 }
8254
Marcel Holtmann464996a2013-10-15 14:26:24 -07008255 if (test_bit(HCI_AUTH, &hdev->flags))
Marcel Holtmann238be782015-03-13 02:11:06 -07008256 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
Marcel Holtmann464996a2013-10-15 14:26:24 -07008257 else
Marcel Holtmanna69d8922015-03-13 02:11:05 -07008258 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
Johan Hedberg47990ea2012-02-22 11:58:37 +02008259
Johan Hedberg33ef95e2012-02-16 23:56:27 +02008260 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008261 &match);
Johan Hedberg33ef95e2012-02-16 23:56:27 +02008262
Johan Hedberg47990ea2012-02-22 11:58:37 +02008263 if (changed)
Marcel Holtmann464996a2013-10-15 14:26:24 -07008264 new_settings(hdev, match.sk);
Johan Hedberg33ef95e2012-02-16 23:56:27 +02008265
8266 if (match.sk)
8267 sock_put(match.sk);
Johan Hedberg33ef95e2012-02-16 23:56:27 +02008268}
8269
Johan Hedberg890ea892013-03-15 17:06:52 -05008270static void clear_eir(struct hci_request *req)
Johan Hedbergcacaf522012-02-21 00:52:42 +02008271{
Johan Hedberg890ea892013-03-15 17:06:52 -05008272 struct hci_dev *hdev = req->hdev;
Johan Hedbergcacaf522012-02-21 00:52:42 +02008273 struct hci_cp_write_eir cp;
8274
Johan Hedberg976eb202012-10-24 21:12:01 +03008275 if (!lmp_ext_inq_capable(hdev))
Johan Hedberg890ea892013-03-15 17:06:52 -05008276 return;
Johan Hedbergcacaf522012-02-21 00:52:42 +02008277
Johan Hedbergc80da272012-02-22 15:38:48 +02008278 memset(hdev->eir, 0, sizeof(hdev->eir));
8279
Johan Hedbergcacaf522012-02-21 00:52:42 +02008280 memset(&cp, 0, sizeof(cp));
8281
Johan Hedberg890ea892013-03-15 17:06:52 -05008282 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
Johan Hedbergcacaf522012-02-21 00:52:42 +02008283}
8284
Marcel Holtmann3e248562013-10-15 14:26:25 -07008285void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
Johan Hedberged2c4ee2012-02-17 00:56:28 +02008286{
8287 struct cmd_lookup match = { NULL, hdev };
Johan Hedberg890ea892013-03-15 17:06:52 -05008288 struct hci_request req;
Johan Hedbergc0ecddc2012-02-22 12:38:31 +02008289 bool changed = false;
Johan Hedberged2c4ee2012-02-17 00:56:28 +02008290
8291 if (status) {
8292 u8 mgmt_err = mgmt_status(status);
Johan Hedbergc0ecddc2012-02-22 12:38:31 +02008293
Marcel Holtmanna69d8922015-03-13 02:11:05 -07008294 if (enable && hci_dev_test_and_clear_flag(hdev,
8295 HCI_SSP_ENABLED)) {
Marcel Holtmanna358dc12015-03-13 02:11:02 -07008296 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
Marcel Holtmann3e248562013-10-15 14:26:25 -07008297 new_settings(hdev, NULL);
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07008298 }
Johan Hedbergc0ecddc2012-02-22 12:38:31 +02008299
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008300 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
8301 &mgmt_err);
Marcel Holtmann3e248562013-10-15 14:26:25 -07008302 return;
Johan Hedbergc0ecddc2012-02-22 12:38:31 +02008303 }
8304
8305 if (enable) {
Marcel Holtmann238be782015-03-13 02:11:06 -07008306 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
Johan Hedbergc0ecddc2012-02-22 12:38:31 +02008307 } else {
Marcel Holtmanna69d8922015-03-13 02:11:05 -07008308 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07008309 if (!changed)
Marcel Holtmanna69d8922015-03-13 02:11:05 -07008310 changed = hci_dev_test_and_clear_flag(hdev,
8311 HCI_HS_ENABLED);
Marcel Holtmann9ecb3e22013-10-10 03:08:11 -07008312 else
Marcel Holtmanna358dc12015-03-13 02:11:02 -07008313 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
Johan Hedberged2c4ee2012-02-17 00:56:28 +02008314 }
8315
8316 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
8317
Johan Hedbergc0ecddc2012-02-22 12:38:31 +02008318 if (changed)
Marcel Holtmann3e248562013-10-15 14:26:25 -07008319 new_settings(hdev, match.sk);
Johan Hedberged2c4ee2012-02-17 00:56:28 +02008320
Johan Hedberg5fc6ebb2012-02-22 15:10:59 +02008321 if (match.sk)
Johan Hedberged2c4ee2012-02-17 00:56:28 +02008322 sock_put(match.sk);
8323
Johan Hedberg890ea892013-03-15 17:06:52 -05008324 hci_req_init(&req, hdev);
8325
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07008326 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
8327 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
Johan Hedberg37699722014-06-24 14:00:27 +03008328 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
8329 sizeof(enable), &enable);
Johan Hedberg890ea892013-03-15 17:06:52 -05008330 update_eir(&req);
Johan Hedberg37699722014-06-24 14:00:27 +03008331 } else {
Johan Hedberg890ea892013-03-15 17:06:52 -05008332 clear_eir(&req);
Johan Hedberg37699722014-06-24 14:00:27 +03008333 }
Johan Hedberg890ea892013-03-15 17:06:52 -05008334
8335 hci_req_run(&req, NULL);
Johan Hedberged2c4ee2012-02-17 00:56:28 +02008336}
8337
Johan Hedberg3b0602c2015-03-06 21:08:55 +02008338static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
Johan Hedberg90e70452012-02-23 23:09:40 +02008339{
8340 struct cmd_lookup *match = data;
8341
Johan Hedberg90e70452012-02-23 23:09:40 +02008342 if (match->sk == NULL) {
8343 match->sk = cmd->sk;
8344 sock_hold(match->sk);
8345 }
Johan Hedberg90e70452012-02-23 23:09:40 +02008346}
8347
Marcel Holtmann4e1b0242013-10-15 14:26:26 -07008348void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
8349 u8 status)
Marcel Holtmann7f9a9032012-02-22 18:38:01 +01008350{
Johan Hedberg90e70452012-02-23 23:09:40 +02008351 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
Marcel Holtmann7f9a9032012-02-22 18:38:01 +01008352
Johan Hedberg92da6092013-03-15 17:06:55 -05008353 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
8354 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
8355 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
Johan Hedberg90e70452012-02-23 23:09:40 +02008356
8357 if (!status)
Marcel Holtmannf6b77122015-03-14 19:28:05 -07008358 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
8359 dev_class, 3, NULL);
Johan Hedberg90e70452012-02-23 23:09:40 +02008360
8361 if (match.sk)
8362 sock_put(match.sk);
Marcel Holtmann7f9a9032012-02-22 18:38:01 +01008363}
8364
Marcel Holtmann7667da32013-10-15 14:26:27 -07008365void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
Johan Hedbergb312b1612011-03-16 14:29:37 +02008366{
Johan Hedbergb312b1612011-03-16 14:29:37 +02008367 struct mgmt_cp_set_local_name ev;
Johan Hedberg3b0602c2015-03-06 21:08:55 +02008368 struct mgmt_pending_cmd *cmd;
Johan Hedberg28cc7bd2012-02-22 21:06:55 +02008369
Johan Hedberg13928972013-03-15 17:07:00 -05008370 if (status)
Marcel Holtmann7667da32013-10-15 14:26:27 -07008371 return;
Johan Hedbergb312b1612011-03-16 14:29:37 +02008372
8373 memset(&ev, 0, sizeof(ev));
8374 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
Johan Hedberg28cc7bd2012-02-22 21:06:55 +02008375 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
Johan Hedbergb312b1612011-03-16 14:29:37 +02008376
Johan Hedberg333ae952015-03-17 13:48:47 +02008377 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
Johan Hedberg13928972013-03-15 17:07:00 -05008378 if (!cmd) {
8379 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
Johan Hedbergb312b1612011-03-16 14:29:37 +02008380
Johan Hedberg13928972013-03-15 17:07:00 -05008381 /* If this is a HCI command related to powering on the
8382 * HCI dev don't send any mgmt signals.
8383 */
Johan Hedberg333ae952015-03-17 13:48:47 +02008384 if (pending_find(MGMT_OP_SET_POWERED, hdev))
Marcel Holtmann7667da32013-10-15 14:26:27 -07008385 return;
Johan Hedbergb312b1612011-03-16 14:29:37 +02008386 }
8387
Marcel Holtmannf6b77122015-03-14 19:28:05 -07008388 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
8389 cmd ? cmd->sk : NULL);
Johan Hedbergb312b1612011-03-16 14:29:37 +02008390}
Szymon Jancc35938b2011-03-22 13:12:21 +01008391
Jakub Pawlowski799ce932014-12-05 10:55:58 +01008392static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
8393{
8394 int i;
8395
8396 for (i = 0; i < uuid_count; i++) {
8397 if (!memcmp(uuid, uuids[i], 16))
8398 return true;
8399 }
8400
8401 return false;
8402}
8403
Marcel Holtmannb487b9c2014-12-05 10:55:57 +01008404static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
8405{
Jakub Pawlowski799ce932014-12-05 10:55:58 +01008406 u16 parsed = 0;
8407
8408 while (parsed < eir_len) {
8409 u8 field_len = eir[0];
8410 u8 uuid[16];
8411 int i;
8412
8413 if (field_len == 0)
8414 break;
8415
8416 if (eir_len - parsed < field_len + 1)
8417 break;
8418
8419 switch (eir[1]) {
8420 case EIR_UUID16_ALL:
8421 case EIR_UUID16_SOME:
8422 for (i = 0; i + 3 <= field_len; i += 2) {
Johan Hedberg189f6ad2014-12-05 13:40:01 +02008423 memcpy(uuid, bluetooth_base_uuid, 16);
Jakub Pawlowski799ce932014-12-05 10:55:58 +01008424 uuid[13] = eir[i + 3];
8425 uuid[12] = eir[i + 2];
8426 if (has_uuid(uuid, uuid_count, uuids))
8427 return true;
8428 }
8429 break;
8430 case EIR_UUID32_ALL:
8431 case EIR_UUID32_SOME:
8432 for (i = 0; i + 5 <= field_len; i += 4) {
Johan Hedberg189f6ad2014-12-05 13:40:01 +02008433 memcpy(uuid, bluetooth_base_uuid, 16);
Jakub Pawlowski799ce932014-12-05 10:55:58 +01008434 uuid[15] = eir[i + 5];
8435 uuid[14] = eir[i + 4];
8436 uuid[13] = eir[i + 3];
8437 uuid[12] = eir[i + 2];
8438 if (has_uuid(uuid, uuid_count, uuids))
8439 return true;
8440 }
8441 break;
8442 case EIR_UUID128_ALL:
8443 case EIR_UUID128_SOME:
8444 for (i = 0; i + 17 <= field_len; i += 16) {
8445 memcpy(uuid, eir + i + 2, 16);
8446 if (has_uuid(uuid, uuid_count, uuids))
8447 return true;
8448 }
8449 break;
8450 }
8451
8452 parsed += field_len + 1;
8453 eir += field_len + 1;
8454 }
8455
Marcel Holtmannb487b9c2014-12-05 10:55:57 +01008456 return false;
8457}
8458
Jakub Pawlowski4b0e0ce2015-02-01 23:07:55 -08008459static void restart_le_scan(struct hci_dev *hdev)
8460{
8461 /* If controller is not scanning we are done. */
Marcel Holtmannd7a5a112015-03-13 02:11:00 -07008462 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
Jakub Pawlowski4b0e0ce2015-02-01 23:07:55 -08008463 return;
8464
8465 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
8466 hdev->discovery.scan_start +
8467 hdev->discovery.scan_duration))
8468 return;
8469
8470 queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart,
8471 DISCOV_LE_RESTART_DELAY);
8472}
8473
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008474static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
8475 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
8476{
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008477 /* If a RSSI threshold has been specified, and
8478 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
8479 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
8480 * is set, let it through for further processing, as we might need to
8481 * restart the scan.
8482 *
8483 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
8484 * the results are also dropped.
8485 */
8486 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8487 (rssi == HCI_RSSI_INVALID ||
8488 (rssi < hdev->discovery.rssi &&
8489 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
8490 return false;
8491
Jakub Pawlowski2976cde2015-03-04 16:24:25 -08008492 if (hdev->discovery.uuid_count != 0) {
8493 /* If a list of UUIDs is provided in filter, results with no
8494 * matching UUID should be dropped.
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008495 */
Jakub Pawlowski2976cde2015-03-04 16:24:25 -08008496 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
8497 hdev->discovery.uuids) &&
8498 !eir_has_uuids(scan_rsp, scan_rsp_len,
8499 hdev->discovery.uuid_count,
8500 hdev->discovery.uuids))
8501 return false;
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008502 }
8503
Jakub Pawlowski2976cde2015-03-04 16:24:25 -08008504 /* If duplicate filtering does not report RSSI changes, then restart
8505 * scanning to ensure updated result with updated RSSI values.
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008506 */
Jakub Pawlowski2976cde2015-03-04 16:24:25 -08008507 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
8508 restart_le_scan(hdev);
8509
8510 /* Validate RSSI value against the RSSI threshold once more. */
8511 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8512 rssi < hdev->discovery.rssi)
8513 return false;
8514 }
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008515
8516 return true;
8517}
8518
Marcel Holtmann901801b2013-10-06 23:55:51 -07008519void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
Marcel Holtmannaf589252014-07-01 14:11:20 +02008520 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
8521 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
Johan Hedberge17acd42011-03-30 23:57:16 +03008522{
Johan Hedberge319d2e2012-01-15 19:51:59 +02008523 char buf[512];
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008524 struct mgmt_ev_device_found *ev = (void *)buf;
Johan Hedberg1dc06092012-01-15 21:01:23 +02008525 size_t ev_size;
Johan Hedberge17acd42011-03-30 23:57:16 +03008526
Johan Hedberg75ce2082014-07-02 22:42:01 +03008527 /* Don't send events for a non-kernel initiated discovery. With
8528 * LE one exception is if we have pend_le_reports > 0 in which
8529 * case we're doing passive scanning and want these events.
8530 */
8531 if (!hci_discovery_active(hdev)) {
8532 if (link_type == ACL_LINK)
8533 return;
Johan Hedberg66f84552014-07-04 12:37:18 +03008534 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
Johan Hedberg75ce2082014-07-02 22:42:01 +03008535 return;
8536 }
Andre Guedes12602d02013-04-30 15:29:40 -03008537
Jakub Pawlowski82f8b652015-03-04 16:24:26 -08008538 if (hdev->discovery.result_filtering) {
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008539 /* We are using service discovery */
8540 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
8541 scan_rsp_len))
8542 return;
8543 }
Marcel Holtmannbda157a2014-12-05 10:55:56 +01008544
Johan Hedberg5d2e9fa2014-03-25 10:30:47 +02008545 /* Make sure that the buffer is big enough. The 5 extra bytes
8546 * are for the potential CoD field.
8547 */
8548 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
Marcel Holtmann901801b2013-10-06 23:55:51 -07008549 return;
Andre Guedes7d262f82012-01-10 18:20:49 -03008550
Johan Hedberg1dc06092012-01-15 21:01:23 +02008551 memset(buf, 0, sizeof(buf));
8552
Marcel Holtmannda25cf62014-12-05 13:03:35 +01008553 /* In case of device discovery with BR/EDR devices (pre 1.2), the
8554 * RSSI value was reported as 0 when not available. This behavior
8555 * is kept when using device discovery. This is required for full
8556 * backwards compatibility with the API.
8557 *
8558 * However when using service discovery, the value 127 will be
8559 * returned when the RSSI is not available.
8560 */
Szymon Janc91200e92015-01-22 16:57:05 +01008561 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
8562 link_type == ACL_LINK)
Marcel Holtmannefb25132014-12-05 13:03:34 +01008563 rssi = 0;
8564
Johan Hedberg841c5642014-07-07 12:45:54 +03008565 bacpy(&ev->addr.bdaddr, bdaddr);
8566 ev->addr.type = link_to_bdaddr(link_type, addr_type);
Johan Hedberge319d2e2012-01-15 19:51:59 +02008567 ev->rssi = rssi;
Marcel Holtmannaf589252014-07-01 14:11:20 +02008568 ev->flags = cpu_to_le32(flags);
Johan Hedberge17acd42011-03-30 23:57:16 +03008569
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008570 if (eir_len > 0)
Marcel Holtmannb487b9c2014-12-05 10:55:57 +01008571 /* Copy EIR or advertising data into event */
Johan Hedberge319d2e2012-01-15 19:51:59 +02008572 memcpy(ev->eir, eir, eir_len);
Johan Hedberge17acd42011-03-30 23:57:16 +03008573
Johan Hedberg1dc06092012-01-15 21:01:23 +02008574 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
8575 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008576 dev_class, 3);
Johan Hedberg1dc06092012-01-15 21:01:23 +02008577
Jakub Pawlowski48f86b72015-03-04 16:24:24 -08008578 if (scan_rsp_len > 0)
Marcel Holtmannb487b9c2014-12-05 10:55:57 +01008579 /* Append scan response data to event */
Johan Hedberg5d2e9fa2014-03-25 10:30:47 +02008580 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
Jakub Pawlowski4b0e0ce2015-02-01 23:07:55 -08008581
Johan Hedberg5d2e9fa2014-03-25 10:30:47 +02008582 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
8583 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
Andre Guedesf8523592011-09-09 18:56:26 -03008584
Marcel Holtmann901801b2013-10-06 23:55:51 -07008585 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
Johan Hedberge17acd42011-03-30 23:57:16 +03008586}
Johan Hedberga88a9652011-03-30 13:18:12 +03008587
Marcel Holtmann9cf12ae2013-10-06 23:55:52 -07008588void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8589 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
Johan Hedberga88a9652011-03-30 13:18:12 +03008590{
Johan Hedbergb644ba32012-01-17 21:48:47 +02008591 struct mgmt_ev_device_found *ev;
8592 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
8593 u16 eir_len;
Johan Hedberga88a9652011-03-30 13:18:12 +03008594
Johan Hedbergb644ba32012-01-17 21:48:47 +02008595 ev = (struct mgmt_ev_device_found *) buf;
Johan Hedberga88a9652011-03-30 13:18:12 +03008596
Johan Hedbergb644ba32012-01-17 21:48:47 +02008597 memset(buf, 0, sizeof(buf));
Johan Hedberga88a9652011-03-30 13:18:12 +03008598
Johan Hedbergb644ba32012-01-17 21:48:47 +02008599 bacpy(&ev->addr.bdaddr, bdaddr);
Andre Guedes57c14772012-04-24 21:02:50 -03008600 ev->addr.type = link_to_bdaddr(link_type, addr_type);
Johan Hedbergb644ba32012-01-17 21:48:47 +02008601 ev->rssi = rssi;
8602
8603 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
Gustavo F. Padovan04124682012-03-08 01:25:00 -03008604 name_len);
Johan Hedbergb644ba32012-01-17 21:48:47 +02008605
Marcel Holtmanneb55ef02012-03-14 18:08:46 +02008606 ev->eir_len = cpu_to_le16(eir_len);
Johan Hedbergb644ba32012-01-17 21:48:47 +02008607
Marcel Holtmann9cf12ae2013-10-06 23:55:52 -07008608 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
Johan Hedberga88a9652011-03-30 13:18:12 +03008609}
Johan Hedberg314b2382011-04-27 10:29:57 -04008610
Marcel Holtmann2f1e0632013-10-06 23:55:53 -07008611void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
Johan Hedberg314b2382011-04-27 10:29:57 -04008612{
Johan Hedbergf963e8e2012-02-20 23:30:44 +02008613 struct mgmt_ev_discovering ev;
Johan Hedberg164a6e72011-11-01 17:06:44 +02008614
Andre Guedes343fb142011-11-22 17:14:19 -03008615 BT_DBG("%s discovering %u", hdev->name, discovering);
8616
Johan Hedbergf963e8e2012-02-20 23:30:44 +02008617 memset(&ev, 0, sizeof(ev));
8618 ev.type = hdev->discovery.type;
8619 ev.discovering = discovering;
8620
Marcel Holtmann2f1e0632013-10-06 23:55:53 -07008621 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
Johan Hedberg314b2382011-04-27 10:29:57 -04008622}
Antti Julku5e762442011-08-25 16:48:02 +03008623
Marcel Holtmann1904a852015-01-11 13:50:44 -08008624static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
Marcel Holtmann5976e602013-10-06 04:08:14 -07008625{
8626 BT_DBG("%s status %u", hdev->name, status);
Marcel Holtmann5976e602013-10-06 04:08:14 -07008627}
8628
8629void mgmt_reenable_advertising(struct hci_dev *hdev)
8630{
8631 struct hci_request req;
Florian Grandeleb6f95f2015-06-18 03:16:51 +02008632 u8 instance;
Marcel Holtmann5976e602013-10-06 04:08:14 -07008633
Arman Uguray24b4f382015-03-23 15:57:12 -07008634 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
8635 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
Marcel Holtmann5976e602013-10-06 04:08:14 -07008636 return;
8637
Florian Grandeleb6f95f2015-06-18 03:16:51 +02008638 instance = get_current_adv_instance(hdev);
8639
Marcel Holtmann5976e602013-10-06 04:08:14 -07008640 hci_req_init(&req, hdev);
Florian Grandeleb6f95f2015-06-18 03:16:51 +02008641
8642 if (instance) {
8643 schedule_adv_instance(&req, instance, true);
8644 } else {
8645 update_adv_data(&req);
8646 update_scan_rsp_data(&req);
8647 enable_advertising(&req);
8648 }
8649
Johan Hedberg0ec5ae82014-07-08 15:07:50 +03008650 hci_req_run(&req, adv_enable_complete);
Marcel Holtmann5976e602013-10-06 04:08:14 -07008651}
Johan Hedberg6d785aa32015-03-06 21:08:51 +02008652
8653static struct hci_mgmt_chan chan = {
8654 .channel = HCI_CHANNEL_CONTROL,
8655 .handler_count = ARRAY_SIZE(mgmt_handlers),
8656 .handlers = mgmt_handlers,
Johan Hedberg88b94ce2015-03-17 13:48:49 +02008657 .hdev_init = mgmt_init_hdev,
Johan Hedberg6d785aa32015-03-06 21:08:51 +02008658};
8659
8660int mgmt_init(void)
8661{
8662 return hci_mgmt_chan_register(&chan);
8663}
8664
8665void mgmt_exit(void)
8666{
8667 hci_mgmt_chan_unregister(&chan);
8668}