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Commit | Line | Data |
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0381101f JH |
1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux | |
ea585ab5 | 3 | |
0381101f | 4 | Copyright (C) 2010 Nokia Corporation |
ea585ab5 | 5 | Copyright (C) 2011-2012 Intel Corporation |
0381101f JH |
6 | |
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
19 | ||
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
22 | SOFTWARE IS DISCLAIMED. | |
23 | */ | |
24 | ||
25 | /* Bluetooth HCI Management interface */ | |
26 | ||
3a9a231d | 27 | #include <linux/module.h> |
0381101f JH |
28 | #include <asm/unaligned.h> |
29 | ||
30 | #include <net/bluetooth/bluetooth.h> | |
31 | #include <net/bluetooth/hci_core.h> | |
7129069e | 32 | #include <net/bluetooth/hci_sock.h> |
4bc58f51 | 33 | #include <net/bluetooth/l2cap.h> |
0381101f | 34 | #include <net/bluetooth/mgmt.h> |
ac4b7236 | 35 | |
0857dd3b | 36 | #include "hci_request.h" |
ac4b7236 | 37 | #include "smp.h" |
a380b6cf | 38 | #include "mgmt_util.h" |
0381101f | 39 | |
2da9c55c | 40 | #define MGMT_VERSION 1 |
e58627d1 | 41 | #define MGMT_REVISION 10 |
02d98129 | 42 | |
e70bb2e8 JH |
43 | static const u16 mgmt_commands[] = { |
44 | MGMT_OP_READ_INDEX_LIST, | |
45 | MGMT_OP_READ_INFO, | |
46 | MGMT_OP_SET_POWERED, | |
47 | MGMT_OP_SET_DISCOVERABLE, | |
48 | MGMT_OP_SET_CONNECTABLE, | |
49 | MGMT_OP_SET_FAST_CONNECTABLE, | |
b2939475 | 50 | MGMT_OP_SET_BONDABLE, |
e70bb2e8 JH |
51 | MGMT_OP_SET_LINK_SECURITY, |
52 | MGMT_OP_SET_SSP, | |
53 | MGMT_OP_SET_HS, | |
54 | MGMT_OP_SET_LE, | |
55 | MGMT_OP_SET_DEV_CLASS, | |
56 | MGMT_OP_SET_LOCAL_NAME, | |
57 | MGMT_OP_ADD_UUID, | |
58 | MGMT_OP_REMOVE_UUID, | |
59 | MGMT_OP_LOAD_LINK_KEYS, | |
60 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
61 | MGMT_OP_DISCONNECT, | |
62 | MGMT_OP_GET_CONNECTIONS, | |
63 | MGMT_OP_PIN_CODE_REPLY, | |
64 | MGMT_OP_PIN_CODE_NEG_REPLY, | |
65 | MGMT_OP_SET_IO_CAPABILITY, | |
66 | MGMT_OP_PAIR_DEVICE, | |
67 | MGMT_OP_CANCEL_PAIR_DEVICE, | |
68 | MGMT_OP_UNPAIR_DEVICE, | |
69 | MGMT_OP_USER_CONFIRM_REPLY, | |
70 | MGMT_OP_USER_CONFIRM_NEG_REPLY, | |
71 | MGMT_OP_USER_PASSKEY_REPLY, | |
72 | MGMT_OP_USER_PASSKEY_NEG_REPLY, | |
73 | MGMT_OP_READ_LOCAL_OOB_DATA, | |
74 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
75 | MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
76 | MGMT_OP_START_DISCOVERY, | |
77 | MGMT_OP_STOP_DISCOVERY, | |
78 | MGMT_OP_CONFIRM_NAME, | |
79 | MGMT_OP_BLOCK_DEVICE, | |
80 | MGMT_OP_UNBLOCK_DEVICE, | |
cdbaccca | 81 | MGMT_OP_SET_DEVICE_ID, |
4375f103 | 82 | MGMT_OP_SET_ADVERTISING, |
0663ca2a | 83 | MGMT_OP_SET_BREDR, |
d13eafce | 84 | MGMT_OP_SET_STATIC_ADDRESS, |
7f72134e | 85 | MGMT_OP_SET_SCAN_PARAMS, |
e98d2ce2 | 86 | MGMT_OP_SET_SECURE_CONN, |
4e39ac81 | 87 | MGMT_OP_SET_DEBUG_KEYS, |
62b04cd1 | 88 | MGMT_OP_SET_PRIVACY, |
41edf160 | 89 | MGMT_OP_LOAD_IRKS, |
dd983808 | 90 | MGMT_OP_GET_CONN_INFO, |
95868426 | 91 | MGMT_OP_GET_CLOCK_INFO, |
2faade53 MH |
92 | MGMT_OP_ADD_DEVICE, |
93 | MGMT_OP_REMOVE_DEVICE, | |
a26f3dcf | 94 | MGMT_OP_LOAD_CONN_PARAM, |
73d1df2a | 95 | MGMT_OP_READ_UNCONF_INDEX_LIST, |
9fc3bfb6 | 96 | MGMT_OP_READ_CONFIG_INFO, |
dbece37a | 97 | MGMT_OP_SET_EXTERNAL_CONFIG, |
9713c17b | 98 | MGMT_OP_SET_PUBLIC_ADDRESS, |
66ea9427 | 99 | MGMT_OP_START_SERVICE_DISCOVERY, |
4f0f155c | 100 | MGMT_OP_READ_LOCAL_OOB_EXT_DATA, |
96f1474a | 101 | MGMT_OP_READ_EXT_INDEX_LIST, |
d3d5305b | 102 | MGMT_OP_READ_ADV_FEATURES, |
24b4f38f | 103 | MGMT_OP_ADD_ADVERTISING, |
da929335 | 104 | MGMT_OP_REMOVE_ADVERTISING, |
e70bb2e8 JH |
105 | }; |
106 | ||
107 | static const u16 mgmt_events[] = { | |
108 | MGMT_EV_CONTROLLER_ERROR, | |
109 | MGMT_EV_INDEX_ADDED, | |
110 | MGMT_EV_INDEX_REMOVED, | |
111 | MGMT_EV_NEW_SETTINGS, | |
112 | MGMT_EV_CLASS_OF_DEV_CHANGED, | |
113 | MGMT_EV_LOCAL_NAME_CHANGED, | |
114 | MGMT_EV_NEW_LINK_KEY, | |
115 | MGMT_EV_NEW_LONG_TERM_KEY, | |
116 | MGMT_EV_DEVICE_CONNECTED, | |
117 | MGMT_EV_DEVICE_DISCONNECTED, | |
118 | MGMT_EV_CONNECT_FAILED, | |
119 | MGMT_EV_PIN_CODE_REQUEST, | |
120 | MGMT_EV_USER_CONFIRM_REQUEST, | |
121 | MGMT_EV_USER_PASSKEY_REQUEST, | |
122 | MGMT_EV_AUTH_FAILED, | |
123 | MGMT_EV_DEVICE_FOUND, | |
124 | MGMT_EV_DISCOVERING, | |
125 | MGMT_EV_DEVICE_BLOCKED, | |
126 | MGMT_EV_DEVICE_UNBLOCKED, | |
127 | MGMT_EV_DEVICE_UNPAIRED, | |
92a25256 | 128 | MGMT_EV_PASSKEY_NOTIFY, |
1b60ef21 | 129 | MGMT_EV_NEW_IRK, |
7ee4ea36 | 130 | MGMT_EV_NEW_CSRK, |
8afef092 MH |
131 | MGMT_EV_DEVICE_ADDED, |
132 | MGMT_EV_DEVICE_REMOVED, | |
ffb5a827 | 133 | MGMT_EV_NEW_CONN_PARAM, |
0602a8ad | 134 | MGMT_EV_UNCONF_INDEX_ADDED, |
edd3896b | 135 | MGMT_EV_UNCONF_INDEX_REMOVED, |
f4537c04 | 136 | MGMT_EV_NEW_CONFIG_OPTIONS, |
ced85549 MH |
137 | MGMT_EV_EXT_INDEX_ADDED, |
138 | MGMT_EV_EXT_INDEX_REMOVED, | |
72000df2 | 139 | MGMT_EV_LOCAL_OOB_DATA_UPDATED, |
24b4f38f AU |
140 | MGMT_EV_ADVERTISING_ADDED, |
141 | MGMT_EV_ADVERTISING_REMOVED, | |
e70bb2e8 JH |
142 | }; |
143 | ||
99c679ac MH |
144 | static 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 | ||
152 | static const u16 mgmt_untrusted_events[] = { | |
153 | MGMT_EV_INDEX_ADDED, | |
154 | MGMT_EV_INDEX_REMOVED, | |
155 | MGMT_EV_NEW_SETTINGS, | |
156 | MGMT_EV_CLASS_OF_DEV_CHANGED, | |
157 | MGMT_EV_LOCAL_NAME_CHANGED, | |
158 | MGMT_EV_UNCONF_INDEX_ADDED, | |
159 | MGMT_EV_UNCONF_INDEX_REMOVED, | |
160 | MGMT_EV_NEW_CONFIG_OPTIONS, | |
161 | MGMT_EV_EXT_INDEX_ADDED, | |
162 | MGMT_EV_EXT_INDEX_REMOVED, | |
163 | }; | |
164 | ||
17b02e62 | 165 | #define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000) |
7d78525d | 166 | |
d25b78e2 JH |
167 | #define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \ |
168 | "\x00\x00\x00\x00\x00\x00\x00\x00" | |
169 | ||
ca69b795 JH |
170 | /* HCI to MGMT error code conversion table */ |
171 | static u8 mgmt_status_table[] = { | |
172 | MGMT_STATUS_SUCCESS, | |
173 | MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */ | |
174 | MGMT_STATUS_NOT_CONNECTED, /* No Connection */ | |
175 | MGMT_STATUS_FAILED, /* Hardware Failure */ | |
176 | MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */ | |
177 | MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */ | |
eadd663a | 178 | MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */ |
ca69b795 JH |
179 | MGMT_STATUS_NO_RESOURCES, /* Memory Full */ |
180 | MGMT_STATUS_TIMEOUT, /* Connection Timeout */ | |
181 | MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */ | |
182 | MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */ | |
183 | MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */ | |
184 | MGMT_STATUS_BUSY, /* Command Disallowed */ | |
185 | MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */ | |
186 | MGMT_STATUS_REJECTED, /* Rejected Security */ | |
187 | MGMT_STATUS_REJECTED, /* Rejected Personal */ | |
188 | MGMT_STATUS_TIMEOUT, /* Host Timeout */ | |
189 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */ | |
190 | MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */ | |
191 | MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */ | |
192 | MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */ | |
193 | MGMT_STATUS_DISCONNECTED, /* OE Power Off */ | |
194 | MGMT_STATUS_DISCONNECTED, /* Connection Terminated */ | |
195 | MGMT_STATUS_BUSY, /* Repeated Attempts */ | |
196 | MGMT_STATUS_REJECTED, /* Pairing Not Allowed */ | |
197 | MGMT_STATUS_FAILED, /* Unknown LMP PDU */ | |
198 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */ | |
199 | MGMT_STATUS_REJECTED, /* SCO Offset Rejected */ | |
200 | MGMT_STATUS_REJECTED, /* SCO Interval Rejected */ | |
201 | MGMT_STATUS_REJECTED, /* Air Mode Rejected */ | |
202 | MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */ | |
203 | MGMT_STATUS_FAILED, /* Unspecified Error */ | |
204 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */ | |
205 | MGMT_STATUS_FAILED, /* Role Change Not Allowed */ | |
206 | MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */ | |
207 | MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */ | |
208 | MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */ | |
209 | MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */ | |
210 | MGMT_STATUS_FAILED, /* Unit Link Key Used */ | |
211 | MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */ | |
212 | MGMT_STATUS_TIMEOUT, /* Instant Passed */ | |
213 | MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */ | |
214 | MGMT_STATUS_FAILED, /* Transaction Collision */ | |
215 | MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */ | |
216 | MGMT_STATUS_REJECTED, /* QoS Rejected */ | |
217 | MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */ | |
218 | MGMT_STATUS_REJECTED, /* Insufficient Security */ | |
219 | MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */ | |
220 | MGMT_STATUS_BUSY, /* Role Switch Pending */ | |
221 | MGMT_STATUS_FAILED, /* Slot Violation */ | |
222 | MGMT_STATUS_FAILED, /* Role Switch Failed */ | |
223 | MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */ | |
224 | MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */ | |
225 | MGMT_STATUS_BUSY, /* Host Busy Pairing */ | |
226 | MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */ | |
227 | MGMT_STATUS_BUSY, /* Controller Busy */ | |
228 | MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */ | |
229 | MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */ | |
230 | MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */ | |
231 | MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */ | |
232 | MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */ | |
233 | }; | |
234 | ||
235 | static u8 mgmt_status(u8 hci_status) | |
236 | { | |
237 | if (hci_status < ARRAY_SIZE(mgmt_status_table)) | |
238 | return mgmt_status_table[hci_status]; | |
239 | ||
240 | return MGMT_STATUS_FAILED; | |
241 | } | |
242 | ||
c08b1a1d MH |
243 | static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data, |
244 | u16 len, int flag) | |
f9207338 | 245 | { |
c08b1a1d MH |
246 | return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len, |
247 | flag, NULL); | |
f9207338 MH |
248 | } |
249 | ||
72000df2 MH |
250 | static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data, |
251 | u16 len, int flag, struct sock *skip_sk) | |
252 | { | |
253 | return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len, | |
254 | flag, skip_sk); | |
255 | } | |
256 | ||
f6b7712e MH |
257 | static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data, |
258 | u16 len, struct sock *skip_sk) | |
259 | { | |
260 | return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len, | |
261 | HCI_MGMT_GENERIC_EVENTS, skip_sk); | |
262 | } | |
263 | ||
7a00ff44 JH |
264 | static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len, |
265 | struct sock *skip_sk) | |
266 | { | |
267 | return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len, | |
c08b1a1d | 268 | HCI_SOCK_TRUSTED, skip_sk); |
7a00ff44 JH |
269 | } |
270 | ||
85813a7e JH |
271 | static u8 le_addr_type(u8 mgmt_addr_type) |
272 | { | |
273 | if (mgmt_addr_type == BDADDR_LE_PUBLIC) | |
274 | return ADDR_LE_DEV_PUBLIC; | |
275 | else | |
276 | return ADDR_LE_DEV_RANDOM; | |
277 | } | |
278 | ||
04124681 GP |
279 | static int read_version(struct sock *sk, struct hci_dev *hdev, void *data, |
280 | u16 data_len) | |
a38528f1 JH |
281 | { |
282 | struct mgmt_rp_read_version rp; | |
283 | ||
284 | BT_DBG("sock %p", sk); | |
285 | ||
286 | rp.version = MGMT_VERSION; | |
dcf4adbf | 287 | rp.revision = cpu_to_le16(MGMT_REVISION); |
a38528f1 | 288 | |
2a1afb5a JH |
289 | return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, |
290 | &rp, sizeof(rp)); | |
a38528f1 JH |
291 | } |
292 | ||
04124681 GP |
293 | static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data, |
294 | u16 data_len) | |
e70bb2e8 JH |
295 | { |
296 | struct mgmt_rp_read_commands *rp; | |
99c679ac | 297 | u16 num_commands, num_events; |
e70bb2e8 JH |
298 | size_t rp_size; |
299 | int i, err; | |
300 | ||
301 | BT_DBG("sock %p", sk); | |
302 | ||
99c679ac MH |
303 | if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) { |
304 | num_commands = ARRAY_SIZE(mgmt_commands); | |
305 | num_events = ARRAY_SIZE(mgmt_events); | |
306 | } else { | |
307 | num_commands = ARRAY_SIZE(mgmt_untrusted_commands); | |
308 | num_events = ARRAY_SIZE(mgmt_untrusted_events); | |
309 | } | |
310 | ||
e70bb2e8 JH |
311 | rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16)); |
312 | ||
313 | rp = kmalloc(rp_size, GFP_KERNEL); | |
314 | if (!rp) | |
315 | return -ENOMEM; | |
316 | ||
dcf4adbf JP |
317 | rp->num_commands = cpu_to_le16(num_commands); |
318 | rp->num_events = cpu_to_le16(num_events); | |
e70bb2e8 | 319 | |
99c679ac MH |
320 | if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) { |
321 | __le16 *opcode = rp->opcodes; | |
322 | ||
323 | for (i = 0; i < num_commands; i++, opcode++) | |
324 | put_unaligned_le16(mgmt_commands[i], opcode); | |
e70bb2e8 | 325 | |
99c679ac MH |
326 | for (i = 0; i < num_events; i++, opcode++) |
327 | put_unaligned_le16(mgmt_events[i], opcode); | |
328 | } else { | |
329 | __le16 *opcode = rp->opcodes; | |
330 | ||
331 | for (i = 0; i < num_commands; i++, opcode++) | |
332 | put_unaligned_le16(mgmt_untrusted_commands[i], opcode); | |
333 | ||
334 | for (i = 0; i < num_events; i++, opcode++) | |
335 | put_unaligned_le16(mgmt_untrusted_events[i], opcode); | |
336 | } | |
e70bb2e8 | 337 | |
2a1afb5a JH |
338 | err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, |
339 | rp, rp_size); | |
e70bb2e8 JH |
340 | kfree(rp); |
341 | ||
342 | return err; | |
343 | } | |
344 | ||
04124681 GP |
345 | static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, |
346 | u16 data_len) | |
faba42eb | 347 | { |
faba42eb | 348 | struct mgmt_rp_read_index_list *rp; |
8035ded4 | 349 | struct hci_dev *d; |
a38528f1 | 350 | size_t rp_len; |
faba42eb | 351 | u16 count; |
476e44cb | 352 | int err; |
faba42eb JH |
353 | |
354 | BT_DBG("sock %p", sk); | |
355 | ||
356 | read_lock(&hci_dev_list_lock); | |
357 | ||
358 | count = 0; | |
bb4b2a9a | 359 | list_for_each_entry(d, &hci_dev_list, list) { |
73d1df2a | 360 | if (d->dev_type == HCI_BREDR && |
d7a5a11d | 361 | !hci_dev_test_flag(d, HCI_UNCONFIGURED)) |
1514b892 | 362 | count++; |
faba42eb JH |
363 | } |
364 | ||
a38528f1 JH |
365 | rp_len = sizeof(*rp) + (2 * count); |
366 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
367 | if (!rp) { | |
b2c60d42 | 368 | read_unlock(&hci_dev_list_lock); |
faba42eb | 369 | return -ENOMEM; |
b2c60d42 | 370 | } |
faba42eb | 371 | |
476e44cb | 372 | count = 0; |
8035ded4 | 373 | list_for_each_entry(d, &hci_dev_list, list) { |
d7a5a11d MH |
374 | if (hci_dev_test_flag(d, HCI_SETUP) || |
375 | hci_dev_test_flag(d, HCI_CONFIG) || | |
376 | hci_dev_test_flag(d, HCI_USER_CHANNEL)) | |
ab81cbf9 JH |
377 | continue; |
378 | ||
73d1df2a MH |
379 | /* Devices marked as raw-only are neither configured |
380 | * nor unconfigured controllers. | |
381 | */ | |
382 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) | |
fee746b0 MH |
383 | continue; |
384 | ||
73d1df2a | 385 | if (d->dev_type == HCI_BREDR && |
d7a5a11d | 386 | !hci_dev_test_flag(d, HCI_UNCONFIGURED)) { |
1514b892 MH |
387 | rp->index[count++] = cpu_to_le16(d->id); |
388 | BT_DBG("Added hci%u", d->id); | |
389 | } | |
faba42eb JH |
390 | } |
391 | ||
476e44cb JH |
392 | rp->num_controllers = cpu_to_le16(count); |
393 | rp_len = sizeof(*rp) + (2 * count); | |
394 | ||
faba42eb JH |
395 | read_unlock(&hci_dev_list_lock); |
396 | ||
2a1afb5a JH |
397 | err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, |
398 | 0, rp, rp_len); | |
faba42eb | 399 | |
a38528f1 JH |
400 | kfree(rp); |
401 | ||
402 | return err; | |
faba42eb JH |
403 | } |
404 | ||
73d1df2a MH |
405 | static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev, |
406 | void *data, u16 data_len) | |
407 | { | |
408 | struct mgmt_rp_read_unconf_index_list *rp; | |
409 | struct hci_dev *d; | |
410 | size_t rp_len; | |
411 | u16 count; | |
412 | int err; | |
413 | ||
414 | BT_DBG("sock %p", sk); | |
415 | ||
416 | read_lock(&hci_dev_list_lock); | |
417 | ||
418 | count = 0; | |
419 | list_for_each_entry(d, &hci_dev_list, list) { | |
420 | if (d->dev_type == HCI_BREDR && | |
d7a5a11d | 421 | hci_dev_test_flag(d, HCI_UNCONFIGURED)) |
73d1df2a MH |
422 | count++; |
423 | } | |
424 | ||
425 | rp_len = sizeof(*rp) + (2 * count); | |
426 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
427 | if (!rp) { | |
428 | read_unlock(&hci_dev_list_lock); | |
429 | return -ENOMEM; | |
430 | } | |
431 | ||
432 | count = 0; | |
433 | list_for_each_entry(d, &hci_dev_list, list) { | |
d7a5a11d MH |
434 | if (hci_dev_test_flag(d, HCI_SETUP) || |
435 | hci_dev_test_flag(d, HCI_CONFIG) || | |
436 | hci_dev_test_flag(d, HCI_USER_CHANNEL)) | |
73d1df2a MH |
437 | continue; |
438 | ||
439 | /* Devices marked as raw-only are neither configured | |
440 | * nor unconfigured controllers. | |
441 | */ | |
442 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) | |
443 | continue; | |
444 | ||
445 | if (d->dev_type == HCI_BREDR && | |
d7a5a11d | 446 | hci_dev_test_flag(d, HCI_UNCONFIGURED)) { |
73d1df2a MH |
447 | rp->index[count++] = cpu_to_le16(d->id); |
448 | BT_DBG("Added hci%u", d->id); | |
449 | } | |
450 | } | |
451 | ||
452 | rp->num_controllers = cpu_to_le16(count); | |
453 | rp_len = sizeof(*rp) + (2 * count); | |
454 | ||
455 | read_unlock(&hci_dev_list_lock); | |
456 | ||
2a1afb5a JH |
457 | err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, |
458 | MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len); | |
73d1df2a MH |
459 | |
460 | kfree(rp); | |
461 | ||
462 | return err; | |
463 | } | |
464 | ||
96f1474a MH |
465 | static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev, |
466 | void *data, u16 data_len) | |
467 | { | |
468 | struct mgmt_rp_read_ext_index_list *rp; | |
469 | struct hci_dev *d; | |
470 | size_t rp_len; | |
471 | u16 count; | |
472 | int err; | |
473 | ||
474 | BT_DBG("sock %p", sk); | |
475 | ||
476 | read_lock(&hci_dev_list_lock); | |
477 | ||
478 | count = 0; | |
479 | list_for_each_entry(d, &hci_dev_list, list) { | |
480 | if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP) | |
481 | count++; | |
482 | } | |
483 | ||
484 | rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count); | |
485 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
486 | if (!rp) { | |
487 | read_unlock(&hci_dev_list_lock); | |
488 | return -ENOMEM; | |
489 | } | |
490 | ||
491 | count = 0; | |
492 | list_for_each_entry(d, &hci_dev_list, list) { | |
493 | if (hci_dev_test_flag(d, HCI_SETUP) || | |
494 | hci_dev_test_flag(d, HCI_CONFIG) || | |
495 | hci_dev_test_flag(d, HCI_USER_CHANNEL)) | |
496 | continue; | |
497 | ||
498 | /* Devices marked as raw-only are neither configured | |
499 | * nor unconfigured controllers. | |
500 | */ | |
501 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) | |
502 | continue; | |
503 | ||
504 | if (d->dev_type == HCI_BREDR) { | |
505 | if (hci_dev_test_flag(d, HCI_UNCONFIGURED)) | |
506 | rp->entry[count].type = 0x01; | |
507 | else | |
508 | rp->entry[count].type = 0x00; | |
509 | } else if (d->dev_type == HCI_AMP) { | |
510 | rp->entry[count].type = 0x02; | |
511 | } else { | |
512 | continue; | |
513 | } | |
514 | ||
515 | rp->entry[count].bus = d->bus; | |
516 | rp->entry[count++].index = cpu_to_le16(d->id); | |
517 | BT_DBG("Added hci%u", d->id); | |
518 | } | |
519 | ||
520 | rp->num_controllers = cpu_to_le16(count); | |
521 | rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count); | |
522 | ||
523 | read_unlock(&hci_dev_list_lock); | |
524 | ||
525 | /* If this command is called at least once, then all the | |
526 | * default index and unconfigured index events are disabled | |
527 | * and from now on only extended index events are used. | |
528 | */ | |
529 | hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS); | |
530 | hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS); | |
531 | hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS); | |
532 | ||
533 | err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, | |
534 | MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len); | |
535 | ||
536 | kfree(rp); | |
537 | ||
538 | return err; | |
539 | } | |
540 | ||
dbece37a MH |
541 | static bool is_configured(struct hci_dev *hdev) |
542 | { | |
543 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) && | |
d7a5a11d | 544 | !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED)) |
dbece37a MH |
545 | return false; |
546 | ||
547 | if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) && | |
548 | !bacmp(&hdev->public_addr, BDADDR_ANY)) | |
549 | return false; | |
550 | ||
551 | return true; | |
552 | } | |
553 | ||
89bc22d2 MH |
554 | static __le32 get_missing_options(struct hci_dev *hdev) |
555 | { | |
556 | u32 options = 0; | |
557 | ||
dbece37a | 558 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) && |
d7a5a11d | 559 | !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED)) |
eb1904f4 MH |
560 | options |= MGMT_OPTION_EXTERNAL_CONFIG; |
561 | ||
89bc22d2 MH |
562 | if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) && |
563 | !bacmp(&hdev->public_addr, BDADDR_ANY)) | |
564 | options |= MGMT_OPTION_PUBLIC_ADDRESS; | |
565 | ||
566 | return cpu_to_le32(options); | |
567 | } | |
568 | ||
f4537c04 MH |
569 | static int new_options(struct hci_dev *hdev, struct sock *skip) |
570 | { | |
571 | __le32 options = get_missing_options(hdev); | |
572 | ||
f6b7712e MH |
573 | return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options, |
574 | sizeof(options), skip); | |
f4537c04 MH |
575 | } |
576 | ||
dbece37a MH |
577 | static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) |
578 | { | |
579 | __le32 options = get_missing_options(hdev); | |
580 | ||
2a1afb5a JH |
581 | return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options, |
582 | sizeof(options)); | |
dbece37a MH |
583 | } |
584 | ||
9fc3bfb6 MH |
585 | static int read_config_info(struct sock *sk, struct hci_dev *hdev, |
586 | void *data, u16 data_len) | |
587 | { | |
588 | struct mgmt_rp_read_config_info rp; | |
89bc22d2 | 589 | u32 options = 0; |
9fc3bfb6 MH |
590 | |
591 | BT_DBG("sock %p %s", sk, hdev->name); | |
592 | ||
593 | hci_dev_lock(hdev); | |
594 | ||
595 | memset(&rp, 0, sizeof(rp)); | |
596 | rp.manufacturer = cpu_to_le16(hdev->manufacturer); | |
89bc22d2 | 597 | |
eb1904f4 MH |
598 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks)) |
599 | options |= MGMT_OPTION_EXTERNAL_CONFIG; | |
600 | ||
9fc3bfb6 | 601 | if (hdev->set_bdaddr) |
89bc22d2 MH |
602 | options |= MGMT_OPTION_PUBLIC_ADDRESS; |
603 | ||
604 | rp.supported_options = cpu_to_le32(options); | |
605 | rp.missing_options = get_missing_options(hdev); | |
9fc3bfb6 MH |
606 | |
607 | hci_dev_unlock(hdev); | |
608 | ||
2a1afb5a JH |
609 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, |
610 | &rp, sizeof(rp)); | |
9fc3bfb6 MH |
611 | } |
612 | ||
69ab39ea JH |
613 | static u32 get_supported_settings(struct hci_dev *hdev) |
614 | { | |
615 | u32 settings = 0; | |
616 | ||
617 | settings |= MGMT_SETTING_POWERED; | |
b2939475 | 618 | settings |= MGMT_SETTING_BONDABLE; |
b1de97d8 | 619 | settings |= MGMT_SETTING_DEBUG_KEYS; |
3742abfc JH |
620 | settings |= MGMT_SETTING_CONNECTABLE; |
621 | settings |= MGMT_SETTING_DISCOVERABLE; | |
69ab39ea | 622 | |
ed3fa31f | 623 | if (lmp_bredr_capable(hdev)) { |
1a47aee8 JH |
624 | if (hdev->hci_ver >= BLUETOOTH_VER_1_2) |
625 | settings |= MGMT_SETTING_FAST_CONNECTABLE; | |
69ab39ea JH |
626 | settings |= MGMT_SETTING_BREDR; |
627 | settings |= MGMT_SETTING_LINK_SECURITY; | |
a82974c9 MH |
628 | |
629 | if (lmp_ssp_capable(hdev)) { | |
630 | settings |= MGMT_SETTING_SSP; | |
631 | settings |= MGMT_SETTING_HS; | |
632 | } | |
e98d2ce2 | 633 | |
05b3c3e7 | 634 | if (lmp_sc_capable(hdev)) |
e98d2ce2 | 635 | settings |= MGMT_SETTING_SECURE_CONN; |
848566b3 | 636 | } |
d7b7e796 | 637 | |
eeca6f89 | 638 | if (lmp_le_capable(hdev)) { |
9d42820f | 639 | settings |= MGMT_SETTING_LE; |
eeca6f89 | 640 | settings |= MGMT_SETTING_ADVERTISING; |
a3209694 | 641 | settings |= MGMT_SETTING_SECURE_CONN; |
0f4bd942 | 642 | settings |= MGMT_SETTING_PRIVACY; |
93690c22 | 643 | settings |= MGMT_SETTING_STATIC_ADDRESS; |
eeca6f89 | 644 | } |
69ab39ea | 645 | |
eb1904f4 MH |
646 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) || |
647 | hdev->set_bdaddr) | |
9fc3bfb6 MH |
648 | settings |= MGMT_SETTING_CONFIGURATION; |
649 | ||
69ab39ea JH |
650 | return settings; |
651 | } | |
652 | ||
653 | static u32 get_current_settings(struct hci_dev *hdev) | |
654 | { | |
655 | u32 settings = 0; | |
656 | ||
f1f0eb02 | 657 | if (hdev_is_powered(hdev)) |
f0d4b78a MH |
658 | settings |= MGMT_SETTING_POWERED; |
659 | ||
d7a5a11d | 660 | if (hci_dev_test_flag(hdev, HCI_CONNECTABLE)) |
69ab39ea JH |
661 | settings |= MGMT_SETTING_CONNECTABLE; |
662 | ||
d7a5a11d | 663 | if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) |
1a4d3c4b JH |
664 | settings |= MGMT_SETTING_FAST_CONNECTABLE; |
665 | ||
d7a5a11d | 666 | if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) |
69ab39ea JH |
667 | settings |= MGMT_SETTING_DISCOVERABLE; |
668 | ||
d7a5a11d | 669 | if (hci_dev_test_flag(hdev, HCI_BONDABLE)) |
b2939475 | 670 | settings |= MGMT_SETTING_BONDABLE; |
69ab39ea | 671 | |
d7a5a11d | 672 | if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
69ab39ea JH |
673 | settings |= MGMT_SETTING_BREDR; |
674 | ||
d7a5a11d | 675 | if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
69ab39ea JH |
676 | settings |= MGMT_SETTING_LE; |
677 | ||
d7a5a11d | 678 | if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) |
69ab39ea JH |
679 | settings |= MGMT_SETTING_LINK_SECURITY; |
680 | ||
d7a5a11d | 681 | if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
69ab39ea JH |
682 | settings |= MGMT_SETTING_SSP; |
683 | ||
d7a5a11d | 684 | if (hci_dev_test_flag(hdev, HCI_HS_ENABLED)) |
6d80dfd0 JH |
685 | settings |= MGMT_SETTING_HS; |
686 | ||
d7a5a11d | 687 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
eeca6f89 JH |
688 | settings |= MGMT_SETTING_ADVERTISING; |
689 | ||
d7a5a11d | 690 | if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) |
e98d2ce2 MH |
691 | settings |= MGMT_SETTING_SECURE_CONN; |
692 | ||
d7a5a11d | 693 | if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) |
b1de97d8 MH |
694 | settings |= MGMT_SETTING_DEBUG_KEYS; |
695 | ||
d7a5a11d | 696 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) |
0f4bd942 JH |
697 | settings |= MGMT_SETTING_PRIVACY; |
698 | ||
93690c22 MH |
699 | /* The current setting for static address has two purposes. The |
700 | * first is to indicate if the static address will be used and | |
701 | * the second is to indicate if it is actually set. | |
702 | * | |
703 | * This means if the static address is not configured, this flag | |
08dc0e98 | 704 | * will never be set. If the address is configured, then if the |
93690c22 MH |
705 | * address is actually used decides if the flag is set or not. |
706 | * | |
707 | * For single mode LE only controllers and dual-mode controllers | |
708 | * with BR/EDR disabled, the existence of the static address will | |
709 | * be evaluated. | |
710 | */ | |
b7cb93e5 | 711 | if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) || |
d7a5a11d | 712 | !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) || |
93690c22 MH |
713 | !bacmp(&hdev->bdaddr, BDADDR_ANY)) { |
714 | if (bacmp(&hdev->static_addr, BDADDR_ANY)) | |
715 | settings |= MGMT_SETTING_STATIC_ADDRESS; | |
716 | } | |
717 | ||
69ab39ea JH |
718 | return settings; |
719 | } | |
720 | ||
ef580372 JH |
721 | #define PNP_INFO_SVCLASS_ID 0x1200 |
722 | ||
213202ed JH |
723 | static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) |
724 | { | |
725 | u8 *ptr = data, *uuids_start = NULL; | |
726 | struct bt_uuid *uuid; | |
727 | ||
728 | if (len < 4) | |
729 | return ptr; | |
730 | ||
731 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
732 | u16 uuid16; | |
733 | ||
734 | if (uuid->size != 16) | |
735 | continue; | |
736 | ||
737 | uuid16 = get_unaligned_le16(&uuid->uuid[12]); | |
738 | if (uuid16 < 0x1100) | |
739 | continue; | |
740 | ||
741 | if (uuid16 == PNP_INFO_SVCLASS_ID) | |
742 | continue; | |
743 | ||
744 | if (!uuids_start) { | |
745 | uuids_start = ptr; | |
746 | uuids_start[0] = 1; | |
747 | uuids_start[1] = EIR_UUID16_ALL; | |
748 | ptr += 2; | |
749 | } | |
750 | ||
751 | /* Stop if not enough space to put next UUID */ | |
752 | if ((ptr - data) + sizeof(u16) > len) { | |
753 | uuids_start[1] = EIR_UUID16_SOME; | |
754 | break; | |
755 | } | |
756 | ||
757 | *ptr++ = (uuid16 & 0x00ff); | |
758 | *ptr++ = (uuid16 & 0xff00) >> 8; | |
759 | uuids_start[0] += sizeof(uuid16); | |
760 | } | |
761 | ||
762 | return ptr; | |
763 | } | |
764 | ||
cdf1963f JH |
765 | static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) |
766 | { | |
767 | u8 *ptr = data, *uuids_start = NULL; | |
768 | struct bt_uuid *uuid; | |
769 | ||
770 | if (len < 6) | |
771 | return ptr; | |
772 | ||
773 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
774 | if (uuid->size != 32) | |
775 | continue; | |
776 | ||
777 | if (!uuids_start) { | |
778 | uuids_start = ptr; | |
779 | uuids_start[0] = 1; | |
780 | uuids_start[1] = EIR_UUID32_ALL; | |
781 | ptr += 2; | |
782 | } | |
783 | ||
784 | /* Stop if not enough space to put next UUID */ | |
785 | if ((ptr - data) + sizeof(u32) > len) { | |
786 | uuids_start[1] = EIR_UUID32_SOME; | |
787 | break; | |
788 | } | |
789 | ||
790 | memcpy(ptr, &uuid->uuid[12], sizeof(u32)); | |
791 | ptr += sizeof(u32); | |
792 | uuids_start[0] += sizeof(u32); | |
793 | } | |
794 | ||
795 | return ptr; | |
796 | } | |
797 | ||
c00d575b JH |
798 | static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) |
799 | { | |
800 | u8 *ptr = data, *uuids_start = NULL; | |
801 | struct bt_uuid *uuid; | |
802 | ||
803 | if (len < 18) | |
804 | return ptr; | |
805 | ||
806 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
807 | if (uuid->size != 128) | |
808 | continue; | |
809 | ||
810 | if (!uuids_start) { | |
811 | uuids_start = ptr; | |
812 | uuids_start[0] = 1; | |
813 | uuids_start[1] = EIR_UUID128_ALL; | |
814 | ptr += 2; | |
815 | } | |
816 | ||
817 | /* Stop if not enough space to put next UUID */ | |
818 | if ((ptr - data) + 16 > len) { | |
819 | uuids_start[1] = EIR_UUID128_SOME; | |
820 | break; | |
821 | } | |
822 | ||
823 | memcpy(ptr, uuid->uuid, 16); | |
824 | ptr += 16; | |
825 | uuids_start[0] += 16; | |
826 | } | |
827 | ||
828 | return ptr; | |
829 | } | |
830 | ||
333ae95d JH |
831 | static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev) |
832 | { | |
833 | return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev); | |
834 | } | |
835 | ||
333ae95d JH |
836 | static struct mgmt_pending_cmd *pending_find_data(u16 opcode, |
837 | struct hci_dev *hdev, | |
838 | const void *data) | |
839 | { | |
840 | return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data); | |
841 | } | |
842 | ||
91aa9bb2 FG |
843 | static u8 get_current_adv_instance(struct hci_dev *hdev) |
844 | { | |
845 | /* The "Set Advertising" setting supersedes the "Add Advertising" | |
846 | * setting. Here we set the advertising data based on which | |
847 | * setting was set. When neither apply, default to the global settings, | |
848 | * represented by instance "0". | |
849 | */ | |
850 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) && | |
851 | !hci_dev_test_flag(hdev, HCI_ADVERTISING)) | |
3ff37e6b | 852 | return hdev->cur_adv_instance; |
91aa9bb2 FG |
853 | |
854 | return 0x00; | |
855 | } | |
856 | ||
4117ed70 | 857 | static u8 create_default_scan_rsp_data(struct hci_dev *hdev, u8 *ptr) |
f14d8f64 | 858 | { |
7a5f4990 MH |
859 | u8 ad_len = 0; |
860 | size_t name_len; | |
861 | ||
862 | name_len = strlen(hdev->dev_name); | |
863 | if (name_len > 0) { | |
864 | size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2; | |
865 | ||
866 | if (name_len > max_len) { | |
867 | name_len = max_len; | |
868 | ptr[1] = EIR_NAME_SHORT; | |
869 | } else | |
870 | ptr[1] = EIR_NAME_COMPLETE; | |
871 | ||
872 | ptr[0] = name_len + 1; | |
873 | ||
874 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
875 | ||
876 | ad_len += (name_len + 2); | |
877 | ptr += (name_len + 2); | |
878 | } | |
879 | ||
880 | return ad_len; | |
f14d8f64 MH |
881 | } |
882 | ||
ca21fbe9 FG |
883 | static u8 create_instance_scan_rsp_data(struct hci_dev *hdev, u8 instance, |
884 | u8 *ptr) | |
4117ed70 | 885 | { |
ca21fbe9 FG |
886 | struct adv_info *adv_instance; |
887 | ||
888 | adv_instance = hci_find_adv_instance(hdev, instance); | |
889 | if (!adv_instance) | |
890 | return 0; | |
891 | ||
4117ed70 AU |
892 | /* TODO: Set the appropriate entries based on advertising instance flags |
893 | * here once flags other than 0 are supported. | |
894 | */ | |
ca21fbe9 FG |
895 | memcpy(ptr, adv_instance->scan_rsp_data, |
896 | adv_instance->scan_rsp_len); | |
4117ed70 | 897 | |
ca21fbe9 | 898 | return adv_instance->scan_rsp_len; |
4117ed70 AU |
899 | } |
900 | ||
efae002c | 901 | static void update_inst_scan_rsp_data(struct hci_request *req, u8 instance) |
f14d8f64 MH |
902 | { |
903 | struct hci_dev *hdev = req->hdev; | |
904 | struct hci_cp_le_set_scan_rsp_data cp; | |
905 | u8 len; | |
906 | ||
d7a5a11d | 907 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
f14d8f64 MH |
908 | return; |
909 | ||
910 | memset(&cp, 0, sizeof(cp)); | |
911 | ||
4117ed70 | 912 | if (instance) |
ca21fbe9 | 913 | len = create_instance_scan_rsp_data(hdev, instance, cp.data); |
4117ed70 AU |
914 | else |
915 | len = create_default_scan_rsp_data(hdev, cp.data); | |
f14d8f64 | 916 | |
eb438b5f | 917 | if (hdev->scan_rsp_data_len == len && |
4117ed70 | 918 | !memcmp(cp.data, hdev->scan_rsp_data, len)) |
f14d8f64 MH |
919 | return; |
920 | ||
eb438b5f JH |
921 | memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data)); |
922 | hdev->scan_rsp_data_len = len; | |
f14d8f64 MH |
923 | |
924 | cp.length = len; | |
925 | ||
926 | hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp); | |
927 | } | |
928 | ||
4117ed70 AU |
929 | static void update_scan_rsp_data(struct hci_request *req) |
930 | { | |
efae002c | 931 | update_inst_scan_rsp_data(req, get_current_adv_instance(req->hdev)); |
4117ed70 AU |
932 | } |
933 | ||
9a43e25f JH |
934 | static u8 get_adv_discov_flags(struct hci_dev *hdev) |
935 | { | |
3b0602cd | 936 | struct mgmt_pending_cmd *cmd; |
9a43e25f JH |
937 | |
938 | /* If there's a pending mgmt command the flags will not yet have | |
939 | * their final values, so check for this first. | |
940 | */ | |
333ae95d | 941 | cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); |
9a43e25f JH |
942 | if (cmd) { |
943 | struct mgmt_mode *cp = cmd->param; | |
944 | if (cp->val == 0x01) | |
945 | return LE_AD_GENERAL; | |
946 | else if (cp->val == 0x02) | |
947 | return LE_AD_LIMITED; | |
948 | } else { | |
d7a5a11d | 949 | if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) |
9a43e25f | 950 | return LE_AD_LIMITED; |
d7a5a11d | 951 | else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) |
9a43e25f JH |
952 | return LE_AD_GENERAL; |
953 | } | |
954 | ||
955 | return 0; | |
956 | } | |
957 | ||
fdf51784 AU |
958 | static bool get_connectable(struct hci_dev *hdev) |
959 | { | |
960 | struct mgmt_pending_cmd *cmd; | |
441ad2d0 | 961 | |
fdf51784 AU |
962 | /* If there's a pending mgmt command the flag will not yet have |
963 | * it's final value, so check for this first. | |
964 | */ | |
965 | cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev); | |
966 | if (cmd) { | |
967 | struct mgmt_mode *cp = cmd->param; | |
441ad2d0 | 968 | |
fdf51784 | 969 | return cp->val; |
441ad2d0 MH |
970 | } |
971 | ||
fdf51784 AU |
972 | return hci_dev_test_flag(hdev, HCI_CONNECTABLE); |
973 | } | |
441ad2d0 | 974 | |
fdf51784 AU |
975 | static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance) |
976 | { | |
977 | u32 flags; | |
411b4121 | 978 | struct adv_info *adv_instance; |
441ad2d0 | 979 | |
bea28e65 FG |
980 | if (instance == 0x00) { |
981 | /* Instance 0 always manages the "Tx Power" and "Flags" | |
982 | * fields | |
983 | */ | |
984 | flags = MGMT_ADV_FLAG_TX_POWER | MGMT_ADV_FLAG_MANAGED_FLAGS; | |
411b4121 | 985 | |
bea28e65 FG |
986 | /* For instance 0, the HCI_ADVERTISING_CONNECTABLE setting |
987 | * corresponds to the "connectable" instance flag. | |
988 | */ | |
989 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) | |
990 | flags |= MGMT_ADV_FLAG_CONNECTABLE; | |
fdf51784 | 991 | |
bea28e65 | 992 | return flags; |
411b4121 | 993 | } |
fdf51784 | 994 | |
bea28e65 | 995 | adv_instance = hci_find_adv_instance(hdev, instance); |
fdf51784 | 996 | |
bea28e65 FG |
997 | /* Return 0 when we got an invalid instance identifier. */ |
998 | if (!adv_instance) | |
999 | return 0; | |
fdf51784 | 1000 | |
bea28e65 | 1001 | return adv_instance->flags; |
441ad2d0 MH |
1002 | } |
1003 | ||
7b683b74 | 1004 | static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev) |
c7d4883b | 1005 | { |
7b683b74 FG |
1006 | u8 instance = get_current_adv_instance(hdev); |
1007 | struct adv_info *adv_instance; | |
1008 | ||
1009 | /* Ignore instance 0 */ | |
1010 | if (instance == 0x00) | |
1011 | return 0; | |
1012 | ||
1013 | adv_instance = hci_find_adv_instance(hdev, instance); | |
1014 | if (!adv_instance) | |
c7d4883b AU |
1015 | return 0; |
1016 | ||
1017 | /* TODO: Take into account the "appearance" and "local-name" flags here. | |
1018 | * These are currently being ignored as they are not supported. | |
1019 | */ | |
7b683b74 | 1020 | return adv_instance->scan_rsp_len; |
c7d4883b AU |
1021 | } |
1022 | ||
fdf51784 | 1023 | static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr) |
24b4f38f | 1024 | { |
f63ba24b | 1025 | struct adv_info *adv_instance = NULL; |
b44133ff | 1026 | u8 ad_len = 0, flags = 0; |
f63ba24b FG |
1027 | u32 instance_flags; |
1028 | ||
1029 | /* Return 0 when the current instance identifier is invalid. */ | |
1030 | if (instance) { | |
1031 | adv_instance = hci_find_adv_instance(hdev, instance); | |
1032 | if (!adv_instance) | |
1033 | return 0; | |
1034 | } | |
1035 | ||
1036 | instance_flags = get_adv_instance_flags(hdev, instance); | |
b44133ff | 1037 | |
807ec772 AU |
1038 | /* The Add Advertising command allows userspace to set both the general |
1039 | * and limited discoverable flags. | |
1040 | */ | |
fdf51784 | 1041 | if (instance_flags & MGMT_ADV_FLAG_DISCOV) |
b44133ff AU |
1042 | flags |= LE_AD_GENERAL; |
1043 | ||
fdf51784 | 1044 | if (instance_flags & MGMT_ADV_FLAG_LIMITED_DISCOV) |
807ec772 AU |
1045 | flags |= LE_AD_LIMITED; |
1046 | ||
fdf51784 | 1047 | if (flags || (instance_flags & MGMT_ADV_FLAG_MANAGED_FLAGS)) { |
67e0c0cd AU |
1048 | /* If a discovery flag wasn't provided, simply use the global |
1049 | * settings. | |
1050 | */ | |
1051 | if (!flags) | |
1052 | flags |= get_adv_discov_flags(hdev); | |
1053 | ||
b44133ff AU |
1054 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
1055 | flags |= LE_AD_NO_BREDR; | |
1056 | ||
fdf51784 AU |
1057 | /* If flags would still be empty, then there is no need to |
1058 | * include the "Flags" AD field". | |
1059 | */ | |
1060 | if (flags) { | |
1061 | ptr[0] = 0x02; | |
1062 | ptr[1] = EIR_FLAGS; | |
1063 | ptr[2] = flags; | |
b44133ff | 1064 | |
fdf51784 AU |
1065 | ad_len += 3; |
1066 | ptr += 3; | |
1067 | } | |
b44133ff AU |
1068 | } |
1069 | ||
f63ba24b FG |
1070 | if (adv_instance) { |
1071 | memcpy(ptr, adv_instance->adv_data, | |
1072 | adv_instance->adv_data_len); | |
1073 | ad_len += adv_instance->adv_data_len; | |
1074 | ptr += adv_instance->adv_data_len; | |
38c8af60 MH |
1075 | } |
1076 | ||
fdf51784 | 1077 | /* Provide Tx Power only if we can provide a valid value for it */ |
5507e358 | 1078 | if (hdev->adv_tx_power != HCI_TX_POWER_INVALID && |
fdf51784 | 1079 | (instance_flags & MGMT_ADV_FLAG_TX_POWER)) { |
5507e358 AU |
1080 | ptr[0] = 0x02; |
1081 | ptr[1] = EIR_TX_POWER; | |
1082 | ptr[2] = (u8)hdev->adv_tx_power; | |
1083 | ||
1084 | ad_len += 3; | |
1085 | ptr += 3; | |
1086 | } | |
1087 | ||
b44133ff | 1088 | return ad_len; |
24b4f38f AU |
1089 | } |
1090 | ||
efae002c | 1091 | static void update_inst_adv_data(struct hci_request *req, u8 instance) |
441ad2d0 MH |
1092 | { |
1093 | struct hci_dev *hdev = req->hdev; | |
1094 | struct hci_cp_le_set_adv_data cp; | |
1095 | u8 len; | |
1096 | ||
d7a5a11d | 1097 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
441ad2d0 MH |
1098 | return; |
1099 | ||
1100 | memset(&cp, 0, sizeof(cp)); | |
1101 | ||
fdf51784 | 1102 | len = create_instance_adv_data(hdev, instance, cp.data); |
441ad2d0 | 1103 | |
24b4f38f | 1104 | /* There's nothing to do if the data hasn't changed */ |
441ad2d0 MH |
1105 | if (hdev->adv_data_len == len && |
1106 | memcmp(cp.data, hdev->adv_data, len) == 0) | |
1107 | return; | |
1108 | ||
1109 | memcpy(hdev->adv_data, cp.data, sizeof(cp.data)); | |
1110 | hdev->adv_data_len = len; | |
1111 | ||
1112 | cp.length = len; | |
1113 | ||
1114 | hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); | |
1115 | } | |
1116 | ||
e7a685d3 AU |
1117 | static void update_adv_data(struct hci_request *req) |
1118 | { | |
efae002c | 1119 | update_inst_adv_data(req, get_current_adv_instance(req->hdev)); |
24b4f38f AU |
1120 | } |
1121 | ||
bc6d2d04 JH |
1122 | int mgmt_update_adv_data(struct hci_dev *hdev) |
1123 | { | |
1124 | struct hci_request req; | |
1125 | ||
1126 | hci_req_init(&req, hdev); | |
1127 | update_adv_data(&req); | |
1128 | ||
1129 | return hci_req_run(&req, NULL); | |
1130 | } | |
1131 | ||
ef580372 JH |
1132 | static void create_eir(struct hci_dev *hdev, u8 *data) |
1133 | { | |
1134 | u8 *ptr = data; | |
ef580372 JH |
1135 | size_t name_len; |
1136 | ||
1137 | name_len = strlen(hdev->dev_name); | |
1138 | ||
1139 | if (name_len > 0) { | |
1140 | /* EIR Data type */ | |
1141 | if (name_len > 48) { | |
1142 | name_len = 48; | |
1143 | ptr[1] = EIR_NAME_SHORT; | |
1144 | } else | |
1145 | ptr[1] = EIR_NAME_COMPLETE; | |
1146 | ||
1147 | /* EIR Data length */ | |
1148 | ptr[0] = name_len + 1; | |
1149 | ||
1150 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
1151 | ||
ef580372 JH |
1152 | ptr += (name_len + 2); |
1153 | } | |
1154 | ||
bbaf444a | 1155 | if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) { |
91c4e9b1 MH |
1156 | ptr[0] = 2; |
1157 | ptr[1] = EIR_TX_POWER; | |
1158 | ptr[2] = (u8) hdev->inq_tx_power; | |
1159 | ||
91c4e9b1 MH |
1160 | ptr += 3; |
1161 | } | |
1162 | ||
2b9be137 MH |
1163 | if (hdev->devid_source > 0) { |
1164 | ptr[0] = 9; | |
1165 | ptr[1] = EIR_DEVICE_ID; | |
1166 | ||
1167 | put_unaligned_le16(hdev->devid_source, ptr + 2); | |
1168 | put_unaligned_le16(hdev->devid_vendor, ptr + 4); | |
1169 | put_unaligned_le16(hdev->devid_product, ptr + 6); | |
1170 | put_unaligned_le16(hdev->devid_version, ptr + 8); | |
1171 | ||
2b9be137 MH |
1172 | ptr += 10; |
1173 | } | |
1174 | ||
213202ed | 1175 | ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); |
cdf1963f | 1176 | ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); |
c00d575b | 1177 | ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); |
ef580372 JH |
1178 | } |
1179 | ||
890ea898 | 1180 | static void update_eir(struct hci_request *req) |
ef580372 | 1181 | { |
890ea898 | 1182 | struct hci_dev *hdev = req->hdev; |
ef580372 JH |
1183 | struct hci_cp_write_eir cp; |
1184 | ||
504c8dcd | 1185 | if (!hdev_is_powered(hdev)) |
890ea898 | 1186 | return; |
7770c4aa | 1187 | |
976eb20e | 1188 | if (!lmp_ext_inq_capable(hdev)) |
890ea898 | 1189 | return; |
ef580372 | 1190 | |
d7a5a11d | 1191 | if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
890ea898 | 1192 | return; |
ef580372 | 1193 | |
d7a5a11d | 1194 | if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE)) |
890ea898 | 1195 | return; |
ef580372 JH |
1196 | |
1197 | memset(&cp, 0, sizeof(cp)); | |
1198 | ||
1199 | create_eir(hdev, cp.data); | |
1200 | ||
1201 | if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) | |
890ea898 | 1202 | return; |
ef580372 JH |
1203 | |
1204 | memcpy(hdev->eir, cp.data, sizeof(cp.data)); | |
1205 | ||
890ea898 | 1206 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); |
ef580372 JH |
1207 | } |
1208 | ||
1209 | static u8 get_service_classes(struct hci_dev *hdev) | |
1210 | { | |
1211 | struct bt_uuid *uuid; | |
1212 | u8 val = 0; | |
1213 | ||
1214 | list_for_each_entry(uuid, &hdev->uuids, list) | |
1215 | val |= uuid->svc_hint; | |
1216 | ||
1217 | return val; | |
1218 | } | |
1219 | ||
890ea898 | 1220 | static void update_class(struct hci_request *req) |
ef580372 | 1221 | { |
890ea898 | 1222 | struct hci_dev *hdev = req->hdev; |
ef580372 JH |
1223 | u8 cod[3]; |
1224 | ||
1225 | BT_DBG("%s", hdev->name); | |
1226 | ||
504c8dcd | 1227 | if (!hdev_is_powered(hdev)) |
890ea898 | 1228 | return; |
7770c4aa | 1229 | |
d7a5a11d | 1230 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
f87ea1da JH |
1231 | return; |
1232 | ||
d7a5a11d | 1233 | if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE)) |
890ea898 | 1234 | return; |
ef580372 JH |
1235 | |
1236 | cod[0] = hdev->minor_class; | |
1237 | cod[1] = hdev->major_class; | |
1238 | cod[2] = get_service_classes(hdev); | |
1239 | ||
d7a5a11d | 1240 | if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) |
6acd7db4 MH |
1241 | cod[1] |= 0x20; |
1242 | ||
ef580372 | 1243 | if (memcmp(cod, hdev->dev_class, 3) == 0) |
890ea898 | 1244 | return; |
ef580372 | 1245 | |
890ea898 | 1246 | hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); |
ef580372 JH |
1247 | } |
1248 | ||
0ec5ae84 JH |
1249 | static void disable_advertising(struct hci_request *req) |
1250 | { | |
1251 | u8 enable = 0x00; | |
1252 | ||
1253 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
1254 | } | |
1255 | ||
199a2fb1 JH |
1256 | static void enable_advertising(struct hci_request *req) |
1257 | { | |
1258 | struct hci_dev *hdev = req->hdev; | |
1259 | struct hci_cp_le_set_adv_param cp; | |
8f2a0601 | 1260 | u8 own_addr_type, enable = 0x01; |
a4858cb9 | 1261 | bool connectable; |
e7a685d3 AU |
1262 | u8 instance; |
1263 | u32 flags; | |
199a2fb1 | 1264 | |
0ec5ae84 JH |
1265 | if (hci_conn_num(hdev, LE_LINK) > 0) |
1266 | return; | |
1267 | ||
d7a5a11d | 1268 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
0ec5ae84 JH |
1269 | disable_advertising(req); |
1270 | ||
5ce194c4 | 1271 | /* Clear the HCI_LE_ADV bit temporarily so that the |
8d97250e JH |
1272 | * hci_update_random_address knows that it's safe to go ahead |
1273 | * and write a new random address. The flag will be set back on | |
1274 | * as soon as the SET_ADV_ENABLE HCI command completes. | |
1275 | */ | |
a358dc11 | 1276 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
8d97250e | 1277 | |
e7a685d3 AU |
1278 | instance = get_current_adv_instance(hdev); |
1279 | flags = get_adv_instance_flags(hdev, instance); | |
faccb950 AU |
1280 | |
1281 | /* If the "connectable" instance flag was not set, then choose between | |
1282 | * ADV_IND and ADV_NONCONN_IND based on the global connectable setting. | |
1283 | */ | |
1284 | connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) || | |
1285 | get_connectable(hdev); | |
8f2a0601 | 1286 | |
a4858cb9 JH |
1287 | /* Set require_privacy to true only when non-connectable |
1288 | * advertising is used. In that case it is fine to use a | |
1289 | * non-resolvable private address. | |
1290 | */ | |
1291 | if (hci_update_random_address(req, !connectable, &own_addr_type) < 0) | |
8f2a0601 JH |
1292 | return; |
1293 | ||
41c90c18 | 1294 | memset(&cp, 0, sizeof(cp)); |
628531c9 GL |
1295 | cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval); |
1296 | cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval); | |
c7d4883b AU |
1297 | |
1298 | if (connectable) | |
1299 | cp.type = LE_ADV_IND; | |
7b683b74 | 1300 | else if (get_cur_adv_instance_scan_rsp_len(hdev)) |
c7d4883b AU |
1301 | cp.type = LE_ADV_SCAN_IND; |
1302 | else | |
1303 | cp.type = LE_ADV_NONCONN_IND; | |
1304 | ||
8f2a0601 | 1305 | cp.own_address_type = own_addr_type; |
199a2fb1 JH |
1306 | cp.channel_map = hdev->le_adv_channel_map; |
1307 | ||
1308 | hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp); | |
1309 | ||
1310 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
1311 | } | |
1312 | ||
7d78525d JH |
1313 | static void service_cache_off(struct work_struct *work) |
1314 | { | |
1315 | struct hci_dev *hdev = container_of(work, struct hci_dev, | |
04124681 | 1316 | service_cache.work); |
890ea898 | 1317 | struct hci_request req; |
7d78525d | 1318 | |
a69d8927 | 1319 | if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) |
7d78525d JH |
1320 | return; |
1321 | ||
890ea898 JH |
1322 | hci_req_init(&req, hdev); |
1323 | ||
7d78525d JH |
1324 | hci_dev_lock(hdev); |
1325 | ||
890ea898 JH |
1326 | update_eir(&req); |
1327 | update_class(&req); | |
7d78525d JH |
1328 | |
1329 | hci_dev_unlock(hdev); | |
890ea898 JH |
1330 | |
1331 | hci_req_run(&req, NULL); | |
7d78525d JH |
1332 | } |
1333 | ||
d6bfd59c JH |
1334 | static void rpa_expired(struct work_struct *work) |
1335 | { | |
1336 | struct hci_dev *hdev = container_of(work, struct hci_dev, | |
1337 | rpa_expired.work); | |
1338 | struct hci_request req; | |
1339 | ||
1340 | BT_DBG(""); | |
1341 | ||
a1536da2 | 1342 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
d6bfd59c | 1343 | |
d7a5a11d | 1344 | if (!hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
d6bfd59c JH |
1345 | return; |
1346 | ||
1347 | /* The generation of a new RPA and programming it into the | |
1348 | * controller happens in the enable_advertising() function. | |
1349 | */ | |
d6bfd59c | 1350 | hci_req_init(&req, hdev); |
d6bfd59c | 1351 | enable_advertising(&req); |
d6bfd59c JH |
1352 | hci_req_run(&req, NULL); |
1353 | } | |
1354 | ||
6a919082 | 1355 | static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev) |
7d78525d | 1356 | { |
238be788 | 1357 | if (hci_dev_test_and_set_flag(hdev, HCI_MGMT)) |
6a919082 JH |
1358 | return; |
1359 | ||
4f87da80 | 1360 | INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off); |
d6bfd59c | 1361 | INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired); |
7d78525d | 1362 | |
4f87da80 JH |
1363 | /* Non-mgmt controlled devices get this bit set |
1364 | * implicitly so that pairing works for them, however | |
1365 | * for mgmt we require user-space to explicitly enable | |
1366 | * it | |
1367 | */ | |
a358dc11 | 1368 | hci_dev_clear_flag(hdev, HCI_BONDABLE); |
7d78525d JH |
1369 | } |
1370 | ||
0f4e68cf | 1371 | static int read_controller_info(struct sock *sk, struct hci_dev *hdev, |
04124681 | 1372 | void *data, u16 data_len) |
0381101f | 1373 | { |
a38528f1 | 1374 | struct mgmt_rp_read_info rp; |
f7b64e69 | 1375 | |
bdb6d971 | 1376 | BT_DBG("sock %p %s", sk, hdev->name); |
f7b64e69 | 1377 | |
09fd0de5 | 1378 | hci_dev_lock(hdev); |
f7b64e69 | 1379 | |
dc4fe30b JH |
1380 | memset(&rp, 0, sizeof(rp)); |
1381 | ||
69ab39ea | 1382 | bacpy(&rp.bdaddr, &hdev->bdaddr); |
f7b64e69 | 1383 | |
69ab39ea | 1384 | rp.version = hdev->hci_ver; |
eb55ef07 | 1385 | rp.manufacturer = cpu_to_le16(hdev->manufacturer); |
69ab39ea JH |
1386 | |
1387 | rp.supported_settings = cpu_to_le32(get_supported_settings(hdev)); | |
1388 | rp.current_settings = cpu_to_le32(get_current_settings(hdev)); | |
f7b64e69 | 1389 | |
a38528f1 | 1390 | memcpy(rp.dev_class, hdev->dev_class, 3); |
f7b64e69 | 1391 | |
dc4fe30b | 1392 | memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name)); |
27fcc362 | 1393 | memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name)); |
dc4fe30b | 1394 | |
09fd0de5 | 1395 | hci_dev_unlock(hdev); |
0381101f | 1396 | |
2a1afb5a JH |
1397 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp, |
1398 | sizeof(rp)); | |
0381101f JH |
1399 | } |
1400 | ||
69ab39ea | 1401 | static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) |
8680570b | 1402 | { |
69ab39ea | 1403 | __le32 settings = cpu_to_le32(get_current_settings(hdev)); |
8680570b | 1404 | |
2a1afb5a JH |
1405 | return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings, |
1406 | sizeof(settings)); | |
8680570b JH |
1407 | } |
1408 | ||
1904a853 | 1409 | static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
8b064a3a JH |
1410 | { |
1411 | BT_DBG("%s status 0x%02x", hdev->name, status); | |
1412 | ||
a3172b7e JH |
1413 | if (hci_conn_count(hdev) == 0) { |
1414 | cancel_delayed_work(&hdev->power_off); | |
8b064a3a | 1415 | queue_work(hdev->req_workqueue, &hdev->power_off.work); |
a3172b7e | 1416 | } |
8b064a3a JH |
1417 | } |
1418 | ||
23a48093 | 1419 | static bool hci_stop_discovery(struct hci_request *req) |
21a60d30 JH |
1420 | { |
1421 | struct hci_dev *hdev = req->hdev; | |
1422 | struct hci_cp_remote_name_req_cancel cp; | |
1423 | struct inquiry_entry *e; | |
1424 | ||
1425 | switch (hdev->discovery.state) { | |
1426 | case DISCOVERY_FINDING: | |
07d2334a | 1427 | if (test_bit(HCI_INQUIRY, &hdev->flags)) |
21a60d30 | 1428 | hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL); |
07d2334a JP |
1429 | |
1430 | if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) { | |
21a60d30 JH |
1431 | cancel_delayed_work(&hdev->le_scan_disable); |
1432 | hci_req_add_le_scan_disable(req); | |
1433 | } | |
1434 | ||
23a48093 | 1435 | return true; |
21a60d30 JH |
1436 | |
1437 | case DISCOVERY_RESOLVING: | |
1438 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, | |
1439 | NAME_PENDING); | |
1440 | if (!e) | |
23a48093 | 1441 | break; |
21a60d30 JH |
1442 | |
1443 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1444 | hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp), | |
1445 | &cp); | |
1446 | ||
23a48093 | 1447 | return true; |
21a60d30 JH |
1448 | |
1449 | default: | |
1450 | /* Passive scanning */ | |
d7a5a11d | 1451 | if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) { |
21a60d30 | 1452 | hci_req_add_le_scan_disable(req); |
23a48093 JH |
1453 | return true; |
1454 | } | |
1455 | ||
21a60d30 JH |
1456 | break; |
1457 | } | |
23a48093 JH |
1458 | |
1459 | return false; | |
21a60d30 JH |
1460 | } |
1461 | ||
912098a6 AU |
1462 | static void advertising_added(struct sock *sk, struct hci_dev *hdev, |
1463 | u8 instance) | |
1464 | { | |
1465 | struct mgmt_ev_advertising_added ev; | |
1466 | ||
1467 | ev.instance = instance; | |
1468 | ||
1469 | mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk); | |
1470 | } | |
1471 | ||
1472 | static void advertising_removed(struct sock *sk, struct hci_dev *hdev, | |
1473 | u8 instance) | |
1474 | { | |
1475 | struct mgmt_ev_advertising_removed ev; | |
1476 | ||
1477 | ev.instance = instance; | |
1478 | ||
1479 | mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk); | |
1480 | } | |
1481 | ||
7816b820 FG |
1482 | static int schedule_adv_instance(struct hci_request *req, u8 instance, |
1483 | bool force) { | |
1484 | struct hci_dev *hdev = req->hdev; | |
1485 | struct adv_info *adv_instance = NULL; | |
1486 | u16 timeout; | |
1487 | ||
1488 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING) || | |
1489 | !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) | |
1490 | return -EPERM; | |
1491 | ||
1492 | if (hdev->adv_instance_timeout) | |
1493 | return -EBUSY; | |
1494 | ||
1495 | adv_instance = hci_find_adv_instance(hdev, instance); | |
1496 | if (!adv_instance) | |
1497 | return -ENOENT; | |
1498 | ||
1499 | /* A zero timeout means unlimited advertising. As long as there is | |
1500 | * only one instance, duration should be ignored. We still set a timeout | |
1501 | * in case further instances are being added later on. | |
1502 | * | |
1503 | * If the remaining lifetime of the instance is more than the duration | |
1504 | * then the timeout corresponds to the duration, otherwise it will be | |
1505 | * reduced to the remaining instance lifetime. | |
1506 | */ | |
1507 | if (adv_instance->timeout == 0 || | |
1508 | adv_instance->duration <= adv_instance->remaining_time) | |
1509 | timeout = adv_instance->duration; | |
1510 | else | |
1511 | timeout = adv_instance->remaining_time; | |
1512 | ||
1513 | /* The remaining time is being reduced unless the instance is being | |
1514 | * advertised without time limit. | |
1515 | */ | |
1516 | if (adv_instance->timeout) | |
1517 | adv_instance->remaining_time = | |
1518 | adv_instance->remaining_time - timeout; | |
1519 | ||
1520 | hdev->adv_instance_timeout = timeout; | |
1521 | queue_delayed_work(hdev->workqueue, | |
1522 | &hdev->adv_instance_expire, | |
1523 | msecs_to_jiffies(timeout * 1000)); | |
1524 | ||
1525 | /* If we're just re-scheduling the same instance again then do not | |
1526 | * execute any HCI commands. This happens when a single instance is | |
1527 | * being advertised. | |
1528 | */ | |
1529 | if (!force && hdev->cur_adv_instance == instance && | |
1530 | hci_dev_test_flag(hdev, HCI_LE_ADV)) | |
1531 | return 0; | |
1532 | ||
1533 | hdev->cur_adv_instance = instance; | |
1534 | update_adv_data(req); | |
1535 | update_scan_rsp_data(req); | |
1536 | enable_advertising(req); | |
1537 | ||
1538 | return 0; | |
1539 | } | |
1540 | ||
1541 | static void cancel_adv_timeout(struct hci_dev *hdev) | |
1542 | { | |
1543 | if (hdev->adv_instance_timeout) { | |
1544 | hdev->adv_instance_timeout = 0; | |
1545 | cancel_delayed_work(&hdev->adv_instance_expire); | |
1546 | } | |
1547 | } | |
1548 | ||
847818d9 FG |
1549 | /* For a single instance: |
1550 | * - force == true: The instance will be removed even when its remaining | |
1551 | * lifetime is not zero. | |
1552 | * - force == false: the instance will be deactivated but kept stored unless | |
1553 | * the remaining lifetime is zero. | |
1554 | * | |
1555 | * For instance == 0x00: | |
1556 | * - force == true: All instances will be removed regardless of their timeout | |
1557 | * setting. | |
1558 | * - force == false: Only instances that have a timeout will be removed. | |
1559 | */ | |
1560 | static void clear_adv_instance(struct hci_dev *hdev, struct hci_request *req, | |
1561 | u8 instance, bool force) | |
912098a6 | 1562 | { |
847818d9 FG |
1563 | struct adv_info *adv_instance, *n, *next_instance = NULL; |
1564 | int err; | |
1565 | u8 rem_inst; | |
912098a6 | 1566 | |
847818d9 FG |
1567 | /* Cancel any timeout concerning the removed instance(s). */ |
1568 | if (!instance || hdev->cur_adv_instance == instance) | |
1569 | cancel_adv_timeout(hdev); | |
912098a6 | 1570 | |
847818d9 FG |
1571 | /* Get the next instance to advertise BEFORE we remove |
1572 | * the current one. This can be the same instance again | |
1573 | * if there is only one instance. | |
1574 | */ | |
1575 | if (instance && hdev->cur_adv_instance == instance) | |
1576 | next_instance = hci_get_next_instance(hdev, instance); | |
912098a6 | 1577 | |
847818d9 FG |
1578 | if (instance == 0x00) { |
1579 | list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, | |
1580 | list) { | |
1581 | if (!(force || adv_instance->timeout)) | |
1582 | continue; | |
912098a6 | 1583 | |
847818d9 FG |
1584 | rem_inst = adv_instance->instance; |
1585 | err = hci_remove_adv_instance(hdev, rem_inst); | |
1586 | if (!err) | |
1587 | advertising_removed(NULL, hdev, rem_inst); | |
1588 | } | |
1589 | hdev->cur_adv_instance = 0x00; | |
1590 | } else { | |
1591 | adv_instance = hci_find_adv_instance(hdev, instance); | |
1592 | ||
1593 | if (force || (adv_instance && adv_instance->timeout && | |
1594 | !adv_instance->remaining_time)) { | |
1595 | /* Don't advertise a removed instance. */ | |
1596 | if (next_instance && | |
1597 | next_instance->instance == instance) | |
1598 | next_instance = NULL; | |
1599 | ||
1600 | err = hci_remove_adv_instance(hdev, instance); | |
1601 | if (!err) | |
1602 | advertising_removed(NULL, hdev, instance); | |
1603 | } | |
1604 | } | |
1605 | ||
1606 | if (list_empty(&hdev->adv_instances)) { | |
1607 | hdev->cur_adv_instance = 0x00; | |
1608 | hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE); | |
1609 | } | |
1610 | ||
1611 | if (!req || !hdev_is_powered(hdev) || | |
912098a6 AU |
1612 | hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
1613 | return; | |
1614 | ||
847818d9 FG |
1615 | if (next_instance) |
1616 | schedule_adv_instance(req, next_instance->instance, false); | |
912098a6 AU |
1617 | } |
1618 | ||
8b064a3a JH |
1619 | static int clean_up_hci_state(struct hci_dev *hdev) |
1620 | { | |
1621 | struct hci_request req; | |
1622 | struct hci_conn *conn; | |
23a48093 JH |
1623 | bool discov_stopped; |
1624 | int err; | |
8b064a3a JH |
1625 | |
1626 | hci_req_init(&req, hdev); | |
1627 | ||
1628 | if (test_bit(HCI_ISCAN, &hdev->flags) || | |
1629 | test_bit(HCI_PSCAN, &hdev->flags)) { | |
1630 | u8 scan = 0x00; | |
1631 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
1632 | } | |
1633 | ||
847818d9 | 1634 | clear_adv_instance(hdev, NULL, 0x00, false); |
912098a6 | 1635 | |
d7a5a11d | 1636 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
8b064a3a JH |
1637 | disable_advertising(&req); |
1638 | ||
23a48093 | 1639 | discov_stopped = hci_stop_discovery(&req); |
8b064a3a JH |
1640 | |
1641 | list_for_each_entry(conn, &hdev->conn_hash.list, list) { | |
89e0ccc8 JH |
1642 | /* 0x15 == Terminated due to Power Off */ |
1643 | __hci_abort_conn(&req, conn, 0x15); | |
8b064a3a JH |
1644 | } |
1645 | ||
23a48093 JH |
1646 | err = hci_req_run(&req, clean_up_hci_complete); |
1647 | if (!err && discov_stopped) | |
1648 | hci_discovery_set_state(hdev, DISCOVERY_STOPPING); | |
1649 | ||
1650 | return err; | |
8b064a3a JH |
1651 | } |
1652 | ||
bdb6d971 | 1653 | static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1654 | u16 len) |
eec8d2bc | 1655 | { |
650f726d | 1656 | struct mgmt_mode *cp = data; |
3b0602cd | 1657 | struct mgmt_pending_cmd *cmd; |
4b34ee78 | 1658 | int err; |
eec8d2bc | 1659 | |
bdb6d971 | 1660 | BT_DBG("request for %s", hdev->name); |
eec8d2bc | 1661 | |
a7e80f25 | 1662 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
1663 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, |
1664 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 1665 | |
09fd0de5 | 1666 | hci_dev_lock(hdev); |
eec8d2bc | 1667 | |
333ae95d | 1668 | if (pending_find(MGMT_OP_SET_POWERED, hdev)) { |
a69e8375 JH |
1669 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, |
1670 | MGMT_STATUS_BUSY); | |
87b95ba6 JH |
1671 | goto failed; |
1672 | } | |
1673 | ||
a69d8927 | 1674 | if (hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) { |
f0d4b78a MH |
1675 | cancel_delayed_work(&hdev->power_off); |
1676 | ||
1677 | if (cp->val) { | |
a1d70450 JH |
1678 | mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, |
1679 | data, len); | |
1680 | err = mgmt_powered(hdev, 1); | |
f0d4b78a MH |
1681 | goto failed; |
1682 | } | |
1683 | } | |
1684 | ||
4b34ee78 | 1685 | if (!!cp->val == hdev_is_powered(hdev)) { |
69ab39ea | 1686 | err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); |
eec8d2bc JH |
1687 | goto failed; |
1688 | } | |
1689 | ||
2e58ef3e | 1690 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len); |
366a0336 JH |
1691 | if (!cmd) { |
1692 | err = -ENOMEM; | |
eec8d2bc | 1693 | goto failed; |
366a0336 | 1694 | } |
eec8d2bc | 1695 | |
8b064a3a | 1696 | if (cp->val) { |
19202573 | 1697 | queue_work(hdev->req_workqueue, &hdev->power_on); |
8b064a3a JH |
1698 | err = 0; |
1699 | } else { | |
1700 | /* Disconnect connections, stop scans, etc */ | |
1701 | err = clean_up_hci_state(hdev); | |
a3172b7e JH |
1702 | if (!err) |
1703 | queue_delayed_work(hdev->req_workqueue, &hdev->power_off, | |
1704 | HCI_POWER_OFF_TIMEOUT); | |
eec8d2bc | 1705 | |
8b064a3a JH |
1706 | /* ENODATA means there were no HCI commands queued */ |
1707 | if (err == -ENODATA) { | |
a3172b7e | 1708 | cancel_delayed_work(&hdev->power_off); |
8b064a3a JH |
1709 | queue_work(hdev->req_workqueue, &hdev->power_off.work); |
1710 | err = 0; | |
1711 | } | |
1712 | } | |
eec8d2bc JH |
1713 | |
1714 | failed: | |
09fd0de5 | 1715 | hci_dev_unlock(hdev); |
366a0336 | 1716 | return err; |
eec8d2bc JH |
1717 | } |
1718 | ||
beadb2bd JH |
1719 | static int new_settings(struct hci_dev *hdev, struct sock *skip) |
1720 | { | |
f6b7712e | 1721 | __le32 ev = cpu_to_le32(get_current_settings(hdev)); |
beadb2bd | 1722 | |
f6b7712e MH |
1723 | return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, |
1724 | sizeof(ev), skip); | |
beadb2bd JH |
1725 | } |
1726 | ||
91a668b0 JH |
1727 | int mgmt_new_settings(struct hci_dev *hdev) |
1728 | { | |
1729 | return new_settings(hdev, NULL); | |
1730 | } | |
1731 | ||
bd99abdd JH |
1732 | struct cmd_lookup { |
1733 | struct sock *sk; | |
1734 | struct hci_dev *hdev; | |
1735 | u8 mgmt_status; | |
1736 | }; | |
1737 | ||
3b0602cd | 1738 | static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data) |
bd99abdd JH |
1739 | { |
1740 | struct cmd_lookup *match = data; | |
1741 | ||
1742 | send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); | |
1743 | ||
1744 | list_del(&cmd->list); | |
1745 | ||
1746 | if (match->sk == NULL) { | |
1747 | match->sk = cmd->sk; | |
1748 | sock_hold(match->sk); | |
1749 | } | |
1750 | ||
1751 | mgmt_pending_free(cmd); | |
1752 | } | |
1753 | ||
3b0602cd | 1754 | static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data) |
bd99abdd JH |
1755 | { |
1756 | u8 *status = data; | |
1757 | ||
a69e8375 | 1758 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); |
bd99abdd JH |
1759 | mgmt_pending_remove(cmd); |
1760 | } | |
1761 | ||
3b0602cd | 1762 | static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data) |
1b9b5ee5 JH |
1763 | { |
1764 | if (cmd->cmd_complete) { | |
1765 | u8 *status = data; | |
1766 | ||
1767 | cmd->cmd_complete(cmd, *status); | |
1768 | mgmt_pending_remove(cmd); | |
1769 | ||
1770 | return; | |
1771 | } | |
1772 | ||
1773 | cmd_status_rsp(cmd, data); | |
1774 | } | |
1775 | ||
3b0602cd | 1776 | static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
f5818c22 | 1777 | { |
2a1afb5a JH |
1778 | return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, |
1779 | cmd->param, cmd->param_len); | |
f5818c22 JH |
1780 | } |
1781 | ||
3b0602cd | 1782 | static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
7776d1d8 | 1783 | { |
2a1afb5a JH |
1784 | return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, |
1785 | cmd->param, sizeof(struct mgmt_addr_info)); | |
7776d1d8 JH |
1786 | } |
1787 | ||
e6fe7986 JH |
1788 | static u8 mgmt_bredr_support(struct hci_dev *hdev) |
1789 | { | |
1790 | if (!lmp_bredr_capable(hdev)) | |
1791 | return MGMT_STATUS_NOT_SUPPORTED; | |
d7a5a11d | 1792 | else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
e6fe7986 JH |
1793 | return MGMT_STATUS_REJECTED; |
1794 | else | |
1795 | return MGMT_STATUS_SUCCESS; | |
1796 | } | |
1797 | ||
1798 | static u8 mgmt_le_support(struct hci_dev *hdev) | |
1799 | { | |
1800 | if (!lmp_le_capable(hdev)) | |
1801 | return MGMT_STATUS_NOT_SUPPORTED; | |
d7a5a11d | 1802 | else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
e6fe7986 JH |
1803 | return MGMT_STATUS_REJECTED; |
1804 | else | |
1805 | return MGMT_STATUS_SUCCESS; | |
1806 | } | |
1807 | ||
1904a853 MH |
1808 | static void set_discoverable_complete(struct hci_dev *hdev, u8 status, |
1809 | u16 opcode) | |
bfaf8c9f | 1810 | { |
3b0602cd | 1811 | struct mgmt_pending_cmd *cmd; |
bfaf8c9f | 1812 | struct mgmt_mode *cp; |
970ba524 | 1813 | struct hci_request req; |
bfaf8c9f JH |
1814 | bool changed; |
1815 | ||
1816 | BT_DBG("status 0x%02x", status); | |
1817 | ||
1818 | hci_dev_lock(hdev); | |
1819 | ||
333ae95d | 1820 | cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); |
bfaf8c9f JH |
1821 | if (!cmd) |
1822 | goto unlock; | |
1823 | ||
1824 | if (status) { | |
1825 | u8 mgmt_err = mgmt_status(status); | |
a69e8375 | 1826 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); |
a358dc11 | 1827 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
bfaf8c9f JH |
1828 | goto remove_cmd; |
1829 | } | |
1830 | ||
1831 | cp = cmd->param; | |
d4462a07 | 1832 | if (cp->val) { |
238be788 | 1833 | changed = !hci_dev_test_and_set_flag(hdev, HCI_DISCOVERABLE); |
d4462a07 MH |
1834 | |
1835 | if (hdev->discov_timeout > 0) { | |
1836 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
1837 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, | |
1838 | to); | |
1839 | } | |
1840 | } else { | |
a69d8927 | 1841 | changed = hci_dev_test_and_clear_flag(hdev, HCI_DISCOVERABLE); |
d4462a07 | 1842 | } |
bfaf8c9f JH |
1843 | |
1844 | send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev); | |
1845 | ||
1846 | if (changed) | |
1847 | new_settings(hdev, cmd->sk); | |
1848 | ||
970ba524 MH |
1849 | /* When the discoverable mode gets changed, make sure |
1850 | * that class of device has the limited discoverable | |
432df05e JH |
1851 | * bit correctly set. Also update page scan based on whitelist |
1852 | * entries. | |
970ba524 MH |
1853 | */ |
1854 | hci_req_init(&req, hdev); | |
1d2dc5b7 | 1855 | __hci_update_page_scan(&req); |
970ba524 MH |
1856 | update_class(&req); |
1857 | hci_req_run(&req, NULL); | |
1858 | ||
bfaf8c9f JH |
1859 | remove_cmd: |
1860 | mgmt_pending_remove(cmd); | |
1861 | ||
1862 | unlock: | |
1863 | hci_dev_unlock(hdev); | |
1864 | } | |
1865 | ||
bdb6d971 | 1866 | static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1867 | u16 len) |
73f22f62 | 1868 | { |
650f726d | 1869 | struct mgmt_cp_set_discoverable *cp = data; |
3b0602cd | 1870 | struct mgmt_pending_cmd *cmd; |
bfaf8c9f | 1871 | struct hci_request req; |
5e5282bb | 1872 | u16 timeout; |
9a43e25f | 1873 | u8 scan; |
73f22f62 JH |
1874 | int err; |
1875 | ||
bdb6d971 | 1876 | BT_DBG("request for %s", hdev->name); |
73f22f62 | 1877 | |
d7a5a11d MH |
1878 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) && |
1879 | !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) | |
a69e8375 JH |
1880 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1881 | MGMT_STATUS_REJECTED); | |
33c525c0 | 1882 | |
310a3d48 | 1883 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
a69e8375 JH |
1884 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1885 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 1886 | |
1f350c87 | 1887 | timeout = __le16_to_cpu(cp->timeout); |
310a3d48 MH |
1888 | |
1889 | /* Disabling discoverable requires that no timeout is set, | |
1890 | * and enabling limited discoverable requires a timeout. | |
1891 | */ | |
1892 | if ((cp->val == 0x00 && timeout > 0) || | |
1893 | (cp->val == 0x02 && timeout == 0)) | |
a69e8375 JH |
1894 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1895 | MGMT_STATUS_INVALID_PARAMS); | |
73f22f62 | 1896 | |
09fd0de5 | 1897 | hci_dev_lock(hdev); |
73f22f62 | 1898 | |
5e5282bb | 1899 | if (!hdev_is_powered(hdev) && timeout > 0) { |
a69e8375 JH |
1900 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1901 | MGMT_STATUS_NOT_POWERED); | |
73f22f62 JH |
1902 | goto failed; |
1903 | } | |
1904 | ||
333ae95d JH |
1905 | if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
1906 | pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { | |
a69e8375 JH |
1907 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1908 | MGMT_STATUS_BUSY); | |
73f22f62 JH |
1909 | goto failed; |
1910 | } | |
1911 | ||
d7a5a11d | 1912 | if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) { |
a69e8375 JH |
1913 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1914 | MGMT_STATUS_REJECTED); | |
5e5282bb JH |
1915 | goto failed; |
1916 | } | |
1917 | ||
1918 | if (!hdev_is_powered(hdev)) { | |
0224d2fa JH |
1919 | bool changed = false; |
1920 | ||
310a3d48 MH |
1921 | /* Setting limited discoverable when powered off is |
1922 | * not a valid operation since it requires a timeout | |
1923 | * and so no need to check HCI_LIMITED_DISCOVERABLE. | |
1924 | */ | |
d7a5a11d | 1925 | if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) { |
ce05d603 | 1926 | hci_dev_change_flag(hdev, HCI_DISCOVERABLE); |
0224d2fa JH |
1927 | changed = true; |
1928 | } | |
1929 | ||
5e5282bb | 1930 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
0224d2fa JH |
1931 | if (err < 0) |
1932 | goto failed; | |
1933 | ||
1934 | if (changed) | |
1935 | err = new_settings(hdev, sk); | |
1936 | ||
5e5282bb JH |
1937 | goto failed; |
1938 | } | |
1939 | ||
310a3d48 MH |
1940 | /* If the current mode is the same, then just update the timeout |
1941 | * value with the new value. And if only the timeout gets updated, | |
1942 | * then no need for any HCI transactions. | |
1943 | */ | |
d7a5a11d MH |
1944 | if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) && |
1945 | (cp->val == 0x02) == hci_dev_test_flag(hdev, | |
1946 | HCI_LIMITED_DISCOVERABLE)) { | |
36261547 MH |
1947 | cancel_delayed_work(&hdev->discov_off); |
1948 | hdev->discov_timeout = timeout; | |
955638ec | 1949 | |
36261547 MH |
1950 | if (cp->val && hdev->discov_timeout > 0) { |
1951 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
955638ec | 1952 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, |
36261547 | 1953 | to); |
955638ec MH |
1954 | } |
1955 | ||
69ab39ea | 1956 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
73f22f62 JH |
1957 | goto failed; |
1958 | } | |
1959 | ||
2e58ef3e | 1960 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len); |
366a0336 JH |
1961 | if (!cmd) { |
1962 | err = -ENOMEM; | |
73f22f62 | 1963 | goto failed; |
366a0336 | 1964 | } |
73f22f62 | 1965 | |
310a3d48 MH |
1966 | /* Cancel any potential discoverable timeout that might be |
1967 | * still active and store new timeout value. The arming of | |
1968 | * the timeout happens in the complete handler. | |
1969 | */ | |
1970 | cancel_delayed_work(&hdev->discov_off); | |
1971 | hdev->discov_timeout = timeout; | |
1972 | ||
b456f87c JH |
1973 | /* Limited discoverable mode */ |
1974 | if (cp->val == 0x02) | |
a1536da2 | 1975 | hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
b456f87c | 1976 | else |
a358dc11 | 1977 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
b456f87c | 1978 | |
bfaf8c9f JH |
1979 | hci_req_init(&req, hdev); |
1980 | ||
9a43e25f JH |
1981 | /* The procedure for LE-only controllers is much simpler - just |
1982 | * update the advertising data. | |
1983 | */ | |
d7a5a11d | 1984 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
9a43e25f JH |
1985 | goto update_ad; |
1986 | ||
73f22f62 JH |
1987 | scan = SCAN_PAGE; |
1988 | ||
310a3d48 MH |
1989 | if (cp->val) { |
1990 | struct hci_cp_write_current_iac_lap hci_cp; | |
1991 | ||
1992 | if (cp->val == 0x02) { | |
1993 | /* Limited discoverable mode */ | |
33337dcb | 1994 | hci_cp.num_iac = min_t(u8, hdev->num_iac, 2); |
310a3d48 MH |
1995 | hci_cp.iac_lap[0] = 0x00; /* LIAC */ |
1996 | hci_cp.iac_lap[1] = 0x8b; | |
1997 | hci_cp.iac_lap[2] = 0x9e; | |
1998 | hci_cp.iac_lap[3] = 0x33; /* GIAC */ | |
1999 | hci_cp.iac_lap[4] = 0x8b; | |
2000 | hci_cp.iac_lap[5] = 0x9e; | |
2001 | } else { | |
2002 | /* General discoverable mode */ | |
310a3d48 MH |
2003 | hci_cp.num_iac = 1; |
2004 | hci_cp.iac_lap[0] = 0x33; /* GIAC */ | |
2005 | hci_cp.iac_lap[1] = 0x8b; | |
2006 | hci_cp.iac_lap[2] = 0x9e; | |
2007 | } | |
2008 | ||
2009 | hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP, | |
2010 | (hci_cp.num_iac * 3) + 1, &hci_cp); | |
2011 | ||
73f22f62 | 2012 | scan |= SCAN_INQUIRY; |
310a3d48 | 2013 | } else { |
a358dc11 | 2014 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
310a3d48 | 2015 | } |
73f22f62 | 2016 | |
310a3d48 | 2017 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan); |
bfaf8c9f | 2018 | |
9a43e25f JH |
2019 | update_ad: |
2020 | update_adv_data(&req); | |
2021 | ||
bfaf8c9f | 2022 | err = hci_req_run(&req, set_discoverable_complete); |
73f22f62 | 2023 | if (err < 0) |
a664b5bc | 2024 | mgmt_pending_remove(cmd); |
73f22f62 JH |
2025 | |
2026 | failed: | |
09fd0de5 | 2027 | hci_dev_unlock(hdev); |
73f22f62 JH |
2028 | return err; |
2029 | } | |
2030 | ||
406d7804 JH |
2031 | static void write_fast_connectable(struct hci_request *req, bool enable) |
2032 | { | |
bd98b996 | 2033 | struct hci_dev *hdev = req->hdev; |
406d7804 JH |
2034 | struct hci_cp_write_page_scan_activity acp; |
2035 | u8 type; | |
2036 | ||
d7a5a11d | 2037 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
547003b1 JH |
2038 | return; |
2039 | ||
4c01f8b8 JH |
2040 | if (hdev->hci_ver < BLUETOOTH_VER_1_2) |
2041 | return; | |
2042 | ||
406d7804 JH |
2043 | if (enable) { |
2044 | type = PAGE_SCAN_TYPE_INTERLACED; | |
2045 | ||
2046 | /* 160 msec page scan interval */ | |
dcf4adbf | 2047 | acp.interval = cpu_to_le16(0x0100); |
406d7804 JH |
2048 | } else { |
2049 | type = PAGE_SCAN_TYPE_STANDARD; /* default */ | |
2050 | ||
2051 | /* default 1.28 sec page scan */ | |
dcf4adbf | 2052 | acp.interval = cpu_to_le16(0x0800); |
406d7804 JH |
2053 | } |
2054 | ||
dcf4adbf | 2055 | acp.window = cpu_to_le16(0x0012); |
406d7804 | 2056 | |
bd98b996 JH |
2057 | if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval || |
2058 | __cpu_to_le16(hdev->page_scan_window) != acp.window) | |
2059 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, | |
2060 | sizeof(acp), &acp); | |
2061 | ||
2062 | if (hdev->page_scan_type != type) | |
2063 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); | |
406d7804 JH |
2064 | } |
2065 | ||
1904a853 MH |
2066 | static void set_connectable_complete(struct hci_dev *hdev, u8 status, |
2067 | u16 opcode) | |
2b76f453 | 2068 | { |
3b0602cd | 2069 | struct mgmt_pending_cmd *cmd; |
d7b856f9 | 2070 | struct mgmt_mode *cp; |
bc6d2d04 | 2071 | bool conn_changed, discov_changed; |
2b76f453 JH |
2072 | |
2073 | BT_DBG("status 0x%02x", status); | |
2074 | ||
2075 | hci_dev_lock(hdev); | |
2076 | ||
333ae95d | 2077 | cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev); |
2b76f453 JH |
2078 | if (!cmd) |
2079 | goto unlock; | |
2080 | ||
37438c1f JH |
2081 | if (status) { |
2082 | u8 mgmt_err = mgmt_status(status); | |
a69e8375 | 2083 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); |
37438c1f JH |
2084 | goto remove_cmd; |
2085 | } | |
2086 | ||
d7b856f9 | 2087 | cp = cmd->param; |
bc6d2d04 | 2088 | if (cp->val) { |
238be788 MH |
2089 | conn_changed = !hci_dev_test_and_set_flag(hdev, |
2090 | HCI_CONNECTABLE); | |
bc6d2d04 JH |
2091 | discov_changed = false; |
2092 | } else { | |
a69d8927 MH |
2093 | conn_changed = hci_dev_test_and_clear_flag(hdev, |
2094 | HCI_CONNECTABLE); | |
2095 | discov_changed = hci_dev_test_and_clear_flag(hdev, | |
2096 | HCI_DISCOVERABLE); | |
bc6d2d04 | 2097 | } |
d7b856f9 | 2098 | |
2b76f453 JH |
2099 | send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev); |
2100 | ||
bc6d2d04 | 2101 | if (conn_changed || discov_changed) { |
d7b856f9 | 2102 | new_settings(hdev, cmd->sk); |
1d2dc5b7 | 2103 | hci_update_page_scan(hdev); |
bc6d2d04 JH |
2104 | if (discov_changed) |
2105 | mgmt_update_adv_data(hdev); | |
2b7be33e JH |
2106 | hci_update_background_scan(hdev); |
2107 | } | |
d7b856f9 | 2108 | |
37438c1f | 2109 | remove_cmd: |
2b76f453 JH |
2110 | mgmt_pending_remove(cmd); |
2111 | ||
2112 | unlock: | |
2113 | hci_dev_unlock(hdev); | |
2114 | } | |
2115 | ||
e8ba3a1f JH |
2116 | static int set_connectable_update_settings(struct hci_dev *hdev, |
2117 | struct sock *sk, u8 val) | |
2118 | { | |
2119 | bool changed = false; | |
2120 | int err; | |
2121 | ||
d7a5a11d | 2122 | if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE)) |
e8ba3a1f JH |
2123 | changed = true; |
2124 | ||
2125 | if (val) { | |
a1536da2 | 2126 | hci_dev_set_flag(hdev, HCI_CONNECTABLE); |
e8ba3a1f | 2127 | } else { |
a358dc11 MH |
2128 | hci_dev_clear_flag(hdev, HCI_CONNECTABLE); |
2129 | hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); | |
e8ba3a1f JH |
2130 | } |
2131 | ||
2132 | err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); | |
2133 | if (err < 0) | |
2134 | return err; | |
2135 | ||
562064e6 | 2136 | if (changed) { |
1d2dc5b7 | 2137 | hci_update_page_scan(hdev); |
562064e6 | 2138 | hci_update_background_scan(hdev); |
e8ba3a1f | 2139 | return new_settings(hdev, sk); |
562064e6 | 2140 | } |
e8ba3a1f JH |
2141 | |
2142 | return 0; | |
2143 | } | |
2144 | ||
bdb6d971 | 2145 | static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2146 | u16 len) |
9fbcbb45 | 2147 | { |
650f726d | 2148 | struct mgmt_mode *cp = data; |
3b0602cd | 2149 | struct mgmt_pending_cmd *cmd; |
2b76f453 | 2150 | struct hci_request req; |
1987fdc7 | 2151 | u8 scan; |
9fbcbb45 JH |
2152 | int err; |
2153 | ||
bdb6d971 | 2154 | BT_DBG("request for %s", hdev->name); |
9fbcbb45 | 2155 | |
d7a5a11d MH |
2156 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) && |
2157 | !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) | |
a69e8375 JH |
2158 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
2159 | MGMT_STATUS_REJECTED); | |
33c525c0 | 2160 | |
a7e80f25 | 2161 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2162 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
2163 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2164 | |
09fd0de5 | 2165 | hci_dev_lock(hdev); |
9fbcbb45 | 2166 | |
4b34ee78 | 2167 | if (!hdev_is_powered(hdev)) { |
e8ba3a1f | 2168 | err = set_connectable_update_settings(hdev, sk, cp->val); |
9fbcbb45 JH |
2169 | goto failed; |
2170 | } | |
2171 | ||
333ae95d JH |
2172 | if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
2173 | pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { | |
a69e8375 JH |
2174 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
2175 | MGMT_STATUS_BUSY); | |
9fbcbb45 JH |
2176 | goto failed; |
2177 | } | |
2178 | ||
2e58ef3e | 2179 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len); |
366a0336 JH |
2180 | if (!cmd) { |
2181 | err = -ENOMEM; | |
9fbcbb45 | 2182 | goto failed; |
366a0336 | 2183 | } |
9fbcbb45 | 2184 | |
9b74246f | 2185 | hci_req_init(&req, hdev); |
9fbcbb45 | 2186 | |
9a43e25f JH |
2187 | /* If BR/EDR is not enabled and we disable advertising as a |
2188 | * by-product of disabling connectable, we need to update the | |
2189 | * advertising flags. | |
2190 | */ | |
d7a5a11d | 2191 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
9a43e25f | 2192 | if (!cp->val) { |
a358dc11 MH |
2193 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
2194 | hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); | |
9a43e25f JH |
2195 | } |
2196 | update_adv_data(&req); | |
2197 | } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) { | |
9b74246f JH |
2198 | if (cp->val) { |
2199 | scan = SCAN_PAGE; | |
2200 | } else { | |
3bd27240 JH |
2201 | /* If we don't have any whitelist entries just |
2202 | * disable all scanning. If there are entries | |
2203 | * and we had both page and inquiry scanning | |
2204 | * enabled then fall back to only page scanning. | |
2205 | * Otherwise no changes are needed. | |
2206 | */ | |
2207 | if (list_empty(&hdev->whitelist)) | |
2208 | scan = SCAN_DISABLED; | |
2209 | else if (test_bit(HCI_ISCAN, &hdev->flags)) | |
2210 | scan = SCAN_PAGE; | |
2211 | else | |
2212 | goto no_scan_update; | |
9b74246f JH |
2213 | |
2214 | if (test_bit(HCI_ISCAN, &hdev->flags) && | |
8d6083fe | 2215 | hdev->discov_timeout > 0) |
9b74246f JH |
2216 | cancel_delayed_work(&hdev->discov_off); |
2217 | } | |
2b76f453 | 2218 | |
9b74246f JH |
2219 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); |
2220 | } | |
2b76f453 | 2221 | |
3bd27240 | 2222 | no_scan_update: |
e8b1202c | 2223 | /* Update the advertising parameters if necessary */ |
880897d4 AU |
2224 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING) || |
2225 | hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) | |
1987fdc7 | 2226 | enable_advertising(&req); |
1987fdc7 | 2227 | |
2b76f453 | 2228 | err = hci_req_run(&req, set_connectable_complete); |
9b74246f | 2229 | if (err < 0) { |
a664b5bc | 2230 | mgmt_pending_remove(cmd); |
9b74246f | 2231 | if (err == -ENODATA) |
a81070ba JH |
2232 | err = set_connectable_update_settings(hdev, sk, |
2233 | cp->val); | |
9b74246f JH |
2234 | goto failed; |
2235 | } | |
9fbcbb45 JH |
2236 | |
2237 | failed: | |
09fd0de5 | 2238 | hci_dev_unlock(hdev); |
9fbcbb45 JH |
2239 | return err; |
2240 | } | |
2241 | ||
b2939475 | 2242 | static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2243 | u16 len) |
c542a06c | 2244 | { |
650f726d | 2245 | struct mgmt_mode *cp = data; |
55594356 | 2246 | bool changed; |
c542a06c JH |
2247 | int err; |
2248 | ||
bdb6d971 | 2249 | BT_DBG("request for %s", hdev->name); |
c542a06c | 2250 | |
a7e80f25 | 2251 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2252 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE, |
2253 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2254 | |
09fd0de5 | 2255 | hci_dev_lock(hdev); |
c542a06c JH |
2256 | |
2257 | if (cp->val) | |
238be788 | 2258 | changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE); |
c542a06c | 2259 | else |
a69d8927 | 2260 | changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE); |
c542a06c | 2261 | |
b2939475 | 2262 | err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev); |
c542a06c | 2263 | if (err < 0) |
55594356 | 2264 | goto unlock; |
c542a06c | 2265 | |
55594356 MH |
2266 | if (changed) |
2267 | err = new_settings(hdev, sk); | |
c542a06c | 2268 | |
55594356 | 2269 | unlock: |
09fd0de5 | 2270 | hci_dev_unlock(hdev); |
c542a06c JH |
2271 | return err; |
2272 | } | |
2273 | ||
04124681 GP |
2274 | static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, |
2275 | u16 len) | |
33ef95ed JH |
2276 | { |
2277 | struct mgmt_mode *cp = data; | |
3b0602cd | 2278 | struct mgmt_pending_cmd *cmd; |
e6fe7986 | 2279 | u8 val, status; |
33ef95ed JH |
2280 | int err; |
2281 | ||
bdb6d971 | 2282 | BT_DBG("request for %s", hdev->name); |
33ef95ed | 2283 | |
e6fe7986 JH |
2284 | status = mgmt_bredr_support(hdev); |
2285 | if (status) | |
a69e8375 JH |
2286 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
2287 | status); | |
33c525c0 | 2288 | |
a7e80f25 | 2289 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2290 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
2291 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2292 | |
33ef95ed JH |
2293 | hci_dev_lock(hdev); |
2294 | ||
4b34ee78 | 2295 | if (!hdev_is_powered(hdev)) { |
47990ea0 JH |
2296 | bool changed = false; |
2297 | ||
d7a5a11d | 2298 | if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) { |
ce05d603 | 2299 | hci_dev_change_flag(hdev, HCI_LINK_SECURITY); |
47990ea0 JH |
2300 | changed = true; |
2301 | } | |
2302 | ||
2303 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
2304 | if (err < 0) | |
2305 | goto failed; | |
2306 | ||
2307 | if (changed) | |
2308 | err = new_settings(hdev, sk); | |
2309 | ||
33ef95ed JH |
2310 | goto failed; |
2311 | } | |
2312 | ||
333ae95d | 2313 | if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) { |
a69e8375 JH |
2314 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
2315 | MGMT_STATUS_BUSY); | |
33ef95ed JH |
2316 | goto failed; |
2317 | } | |
2318 | ||
2319 | val = !!cp->val; | |
2320 | ||
2321 | if (test_bit(HCI_AUTH, &hdev->flags) == val) { | |
2322 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
2323 | goto failed; | |
2324 | } | |
2325 | ||
2326 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len); | |
2327 | if (!cmd) { | |
2328 | err = -ENOMEM; | |
2329 | goto failed; | |
2330 | } | |
2331 | ||
2332 | err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val); | |
2333 | if (err < 0) { | |
2334 | mgmt_pending_remove(cmd); | |
2335 | goto failed; | |
2336 | } | |
2337 | ||
2338 | failed: | |
2339 | hci_dev_unlock(hdev); | |
33ef95ed JH |
2340 | return err; |
2341 | } | |
2342 | ||
bdb6d971 | 2343 | static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
ed2c4ee3 JH |
2344 | { |
2345 | struct mgmt_mode *cp = data; | |
3b0602cd | 2346 | struct mgmt_pending_cmd *cmd; |
72ef0c1a | 2347 | u8 status; |
ed2c4ee3 JH |
2348 | int err; |
2349 | ||
bdb6d971 | 2350 | BT_DBG("request for %s", hdev->name); |
ed2c4ee3 | 2351 | |
cdba5281 MH |
2352 | status = mgmt_bredr_support(hdev); |
2353 | if (status) | |
a69e8375 | 2354 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status); |
cdba5281 | 2355 | |
13ecd8b6 | 2356 | if (!lmp_ssp_capable(hdev)) |
a69e8375 JH |
2357 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
2358 | MGMT_STATUS_NOT_SUPPORTED); | |
ed2c4ee3 | 2359 | |
a7e80f25 | 2360 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2361 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
2362 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2363 | |
13ecd8b6 | 2364 | hci_dev_lock(hdev); |
6c8f12c1 | 2365 | |
4b34ee78 | 2366 | if (!hdev_is_powered(hdev)) { |
9ecb3e24 | 2367 | bool changed; |
c0ecddc2 | 2368 | |
9ecb3e24 | 2369 | if (cp->val) { |
238be788 MH |
2370 | changed = !hci_dev_test_and_set_flag(hdev, |
2371 | HCI_SSP_ENABLED); | |
9ecb3e24 | 2372 | } else { |
a69d8927 MH |
2373 | changed = hci_dev_test_and_clear_flag(hdev, |
2374 | HCI_SSP_ENABLED); | |
9ecb3e24 | 2375 | if (!changed) |
a69d8927 MH |
2376 | changed = hci_dev_test_and_clear_flag(hdev, |
2377 | HCI_HS_ENABLED); | |
9ecb3e24 | 2378 | else |
a358dc11 | 2379 | hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
c0ecddc2 JH |
2380 | } |
2381 | ||
2382 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); | |
2383 | if (err < 0) | |
2384 | goto failed; | |
2385 | ||
2386 | if (changed) | |
2387 | err = new_settings(hdev, sk); | |
2388 | ||
ed2c4ee3 JH |
2389 | goto failed; |
2390 | } | |
2391 | ||
333ae95d | 2392 | if (pending_find(MGMT_OP_SET_SSP, hdev)) { |
a69e8375 JH |
2393 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
2394 | MGMT_STATUS_BUSY); | |
ed2c4ee3 JH |
2395 | goto failed; |
2396 | } | |
2397 | ||
d7a5a11d | 2398 | if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
ed2c4ee3 JH |
2399 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); |
2400 | goto failed; | |
2401 | } | |
2402 | ||
2403 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len); | |
2404 | if (!cmd) { | |
2405 | err = -ENOMEM; | |
2406 | goto failed; | |
2407 | } | |
2408 | ||
d7a5a11d | 2409 | if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) |
3769972b JH |
2410 | hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, |
2411 | sizeof(cp->val), &cp->val); | |
2412 | ||
72ef0c1a | 2413 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val); |
ed2c4ee3 JH |
2414 | if (err < 0) { |
2415 | mgmt_pending_remove(cmd); | |
2416 | goto failed; | |
2417 | } | |
2418 | ||
2419 | failed: | |
2420 | hci_dev_unlock(hdev); | |
ed2c4ee3 JH |
2421 | return err; |
2422 | } | |
2423 | ||
bdb6d971 | 2424 | static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
6d80dfd0 JH |
2425 | { |
2426 | struct mgmt_mode *cp = data; | |
ee392693 | 2427 | bool changed; |
e6fe7986 | 2428 | u8 status; |
ee392693 | 2429 | int err; |
6d80dfd0 | 2430 | |
bdb6d971 | 2431 | BT_DBG("request for %s", hdev->name); |
6d80dfd0 | 2432 | |
e6fe7986 JH |
2433 | status = mgmt_bredr_support(hdev); |
2434 | if (status) | |
a69e8375 | 2435 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status); |
6d80dfd0 | 2436 | |
9ecb3e24 | 2437 | if (!lmp_ssp_capable(hdev)) |
a69e8375 JH |
2438 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2439 | MGMT_STATUS_NOT_SUPPORTED); | |
9ecb3e24 | 2440 | |
d7a5a11d | 2441 | if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
a69e8375 JH |
2442 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2443 | MGMT_STATUS_REJECTED); | |
9ecb3e24 | 2444 | |
a7e80f25 | 2445 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2446 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2447 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2448 | |
ee392693 MH |
2449 | hci_dev_lock(hdev); |
2450 | ||
333ae95d | 2451 | if (pending_find(MGMT_OP_SET_SSP, hdev)) { |
a69e8375 JH |
2452 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2453 | MGMT_STATUS_BUSY); | |
a2cb01de JH |
2454 | goto unlock; |
2455 | } | |
2456 | ||
a0cdf960 | 2457 | if (cp->val) { |
238be788 | 2458 | changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED); |
a0cdf960 MH |
2459 | } else { |
2460 | if (hdev_is_powered(hdev)) { | |
a69e8375 JH |
2461 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2462 | MGMT_STATUS_REJECTED); | |
a0cdf960 MH |
2463 | goto unlock; |
2464 | } | |
2465 | ||
a69d8927 | 2466 | changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED); |
a0cdf960 | 2467 | } |
ee392693 MH |
2468 | |
2469 | err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev); | |
2470 | if (err < 0) | |
2471 | goto unlock; | |
2472 | ||
2473 | if (changed) | |
2474 | err = new_settings(hdev, sk); | |
6d80dfd0 | 2475 | |
ee392693 MH |
2476 | unlock: |
2477 | hci_dev_unlock(hdev); | |
2478 | return err; | |
6d80dfd0 JH |
2479 | } |
2480 | ||
1904a853 | 2481 | static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
416a4ae5 JH |
2482 | { |
2483 | struct cmd_lookup match = { NULL, hdev }; | |
2484 | ||
3ad67582 JK |
2485 | hci_dev_lock(hdev); |
2486 | ||
416a4ae5 JH |
2487 | if (status) { |
2488 | u8 mgmt_err = mgmt_status(status); | |
2489 | ||
2490 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp, | |
2491 | &mgmt_err); | |
3ad67582 | 2492 | goto unlock; |
416a4ae5 JH |
2493 | } |
2494 | ||
2495 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); | |
2496 | ||
2497 | new_settings(hdev, match.sk); | |
2498 | ||
2499 | if (match.sk) | |
2500 | sock_put(match.sk); | |
441ad2d0 MH |
2501 | |
2502 | /* Make sure the controller has a good default for | |
2503 | * advertising data. Restrict the update to when LE | |
2504 | * has actually been enabled. During power on, the | |
2505 | * update in powered_update_hci will take care of it. | |
2506 | */ | |
d7a5a11d | 2507 | if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) { |
441ad2d0 MH |
2508 | struct hci_request req; |
2509 | ||
441ad2d0 | 2510 | hci_req_init(&req, hdev); |
5947f4bc | 2511 | update_adv_data(&req); |
f14d8f64 | 2512 | update_scan_rsp_data(&req); |
441ad2d0 | 2513 | hci_req_run(&req, NULL); |
2e93e53b | 2514 | hci_update_background_scan(hdev); |
441ad2d0 | 2515 | } |
3ad67582 JK |
2516 | |
2517 | unlock: | |
2518 | hci_dev_unlock(hdev); | |
416a4ae5 JH |
2519 | } |
2520 | ||
bdb6d971 | 2521 | static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
06199cf8 JH |
2522 | { |
2523 | struct mgmt_mode *cp = data; | |
2524 | struct hci_cp_write_le_host_supported hci_cp; | |
3b0602cd | 2525 | struct mgmt_pending_cmd *cmd; |
416a4ae5 | 2526 | struct hci_request req; |
06199cf8 | 2527 | int err; |
0b60eba1 | 2528 | u8 val, enabled; |
06199cf8 | 2529 | |
bdb6d971 | 2530 | BT_DBG("request for %s", hdev->name); |
06199cf8 | 2531 | |
13ecd8b6 | 2532 | if (!lmp_le_capable(hdev)) |
a69e8375 JH |
2533 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
2534 | MGMT_STATUS_NOT_SUPPORTED); | |
1de028ce | 2535 | |
a7e80f25 | 2536 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2537 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
2538 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2539 | |
e7844ee5 MH |
2540 | /* Bluetooth single mode LE only controllers or dual-mode |
2541 | * controllers configured as LE only devices, do not allow | |
2542 | * switching LE off. These have either LE enabled explicitly | |
2543 | * or BR/EDR has been previously switched off. | |
2544 | * | |
2545 | * When trying to enable an already enabled LE, then gracefully | |
2546 | * send a positive response. Trying to disable it however will | |
2547 | * result into rejection. | |
2548 | */ | |
2549 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { | |
2550 | if (cp->val == 0x01) | |
2551 | return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); | |
2552 | ||
a69e8375 JH |
2553 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
2554 | MGMT_STATUS_REJECTED); | |
e7844ee5 | 2555 | } |
c73eee91 | 2556 | |
13ecd8b6 | 2557 | hci_dev_lock(hdev); |
06199cf8 JH |
2558 | |
2559 | val = !!cp->val; | |
ffa88e02 | 2560 | enabled = lmp_host_le_capable(hdev); |
06199cf8 | 2561 | |
847818d9 FG |
2562 | if (!val) |
2563 | clear_adv_instance(hdev, NULL, 0x00, true); | |
2564 | ||
0b60eba1 | 2565 | if (!hdev_is_powered(hdev) || val == enabled) { |
06199cf8 JH |
2566 | bool changed = false; |
2567 | ||
d7a5a11d | 2568 | if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) { |
ce05d603 | 2569 | hci_dev_change_flag(hdev, HCI_LE_ENABLED); |
06199cf8 JH |
2570 | changed = true; |
2571 | } | |
2572 | ||
d7a5a11d | 2573 | if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) { |
a358dc11 | 2574 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); |
eeca6f89 JH |
2575 | changed = true; |
2576 | } | |
2577 | ||
06199cf8 JH |
2578 | err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); |
2579 | if (err < 0) | |
1de028ce | 2580 | goto unlock; |
06199cf8 JH |
2581 | |
2582 | if (changed) | |
2583 | err = new_settings(hdev, sk); | |
2584 | ||
1de028ce | 2585 | goto unlock; |
06199cf8 JH |
2586 | } |
2587 | ||
333ae95d JH |
2588 | if (pending_find(MGMT_OP_SET_LE, hdev) || |
2589 | pending_find(MGMT_OP_SET_ADVERTISING, hdev)) { | |
a69e8375 JH |
2590 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
2591 | MGMT_STATUS_BUSY); | |
1de028ce | 2592 | goto unlock; |
06199cf8 JH |
2593 | } |
2594 | ||
2595 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len); | |
2596 | if (!cmd) { | |
2597 | err = -ENOMEM; | |
1de028ce | 2598 | goto unlock; |
06199cf8 JH |
2599 | } |
2600 | ||
441ad2d0 MH |
2601 | hci_req_init(&req, hdev); |
2602 | ||
06199cf8 JH |
2603 | memset(&hci_cp, 0, sizeof(hci_cp)); |
2604 | ||
2605 | if (val) { | |
2606 | hci_cp.le = val; | |
32226e4f | 2607 | hci_cp.simul = 0x00; |
441ad2d0 | 2608 | } else { |
d7a5a11d | 2609 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
441ad2d0 | 2610 | disable_advertising(&req); |
06199cf8 JH |
2611 | } |
2612 | ||
416a4ae5 JH |
2613 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), |
2614 | &hci_cp); | |
2615 | ||
2616 | err = hci_req_run(&req, le_enable_complete); | |
0c01bc48 | 2617 | if (err < 0) |
06199cf8 | 2618 | mgmt_pending_remove(cmd); |
06199cf8 | 2619 | |
1de028ce JH |
2620 | unlock: |
2621 | hci_dev_unlock(hdev); | |
06199cf8 JH |
2622 | return err; |
2623 | } | |
2624 | ||
0cab9c80 JH |
2625 | /* This is a helper function to test for pending mgmt commands that can |
2626 | * cause CoD or EIR HCI commands. We can only allow one such pending | |
2627 | * mgmt command at a time since otherwise we cannot easily track what | |
2628 | * the current values are, will be, and based on that calculate if a new | |
2629 | * HCI command needs to be sent and if yes with what value. | |
2630 | */ | |
2631 | static bool pending_eir_or_class(struct hci_dev *hdev) | |
2632 | { | |
3b0602cd | 2633 | struct mgmt_pending_cmd *cmd; |
0cab9c80 JH |
2634 | |
2635 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
2636 | switch (cmd->opcode) { | |
2637 | case MGMT_OP_ADD_UUID: | |
2638 | case MGMT_OP_REMOVE_UUID: | |
2639 | case MGMT_OP_SET_DEV_CLASS: | |
2640 | case MGMT_OP_SET_POWERED: | |
2641 | return true; | |
2642 | } | |
2643 | } | |
2644 | ||
2645 | return false; | |
2646 | } | |
2647 | ||
83be8eca JH |
2648 | static const u8 bluetooth_base_uuid[] = { |
2649 | 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, | |
2650 | 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
2651 | }; | |
2652 | ||
2653 | static u8 get_uuid_size(const u8 *uuid) | |
2654 | { | |
2655 | u32 val; | |
2656 | ||
2657 | if (memcmp(uuid, bluetooth_base_uuid, 12)) | |
2658 | return 128; | |
2659 | ||
2660 | val = get_unaligned_le32(&uuid[12]); | |
2661 | if (val > 0xffff) | |
2662 | return 32; | |
2663 | ||
2664 | return 16; | |
2665 | } | |
2666 | ||
92da6097 JH |
2667 | static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status) |
2668 | { | |
3b0602cd | 2669 | struct mgmt_pending_cmd *cmd; |
92da6097 JH |
2670 | |
2671 | hci_dev_lock(hdev); | |
2672 | ||
333ae95d | 2673 | cmd = pending_find(mgmt_op, hdev); |
92da6097 JH |
2674 | if (!cmd) |
2675 | goto unlock; | |
2676 | ||
2a1afb5a JH |
2677 | mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, |
2678 | mgmt_status(status), hdev->dev_class, 3); | |
92da6097 JH |
2679 | |
2680 | mgmt_pending_remove(cmd); | |
2681 | ||
2682 | unlock: | |
2683 | hci_dev_unlock(hdev); | |
2684 | } | |
2685 | ||
1904a853 | 2686 | static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
92da6097 JH |
2687 | { |
2688 | BT_DBG("status 0x%02x", status); | |
2689 | ||
2690 | mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status); | |
2691 | } | |
2692 | ||
bdb6d971 | 2693 | static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
2aeb9a1a | 2694 | { |
650f726d | 2695 | struct mgmt_cp_add_uuid *cp = data; |
3b0602cd | 2696 | struct mgmt_pending_cmd *cmd; |
890ea898 | 2697 | struct hci_request req; |
2aeb9a1a | 2698 | struct bt_uuid *uuid; |
2aeb9a1a JH |
2699 | int err; |
2700 | ||
bdb6d971 | 2701 | BT_DBG("request for %s", hdev->name); |
2aeb9a1a | 2702 | |
09fd0de5 | 2703 | hci_dev_lock(hdev); |
2aeb9a1a | 2704 | |
0cab9c80 | 2705 | if (pending_eir_or_class(hdev)) { |
a69e8375 JH |
2706 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID, |
2707 | MGMT_STATUS_BUSY); | |
c95f0ba7 JH |
2708 | goto failed; |
2709 | } | |
2710 | ||
92c4c204 | 2711 | uuid = kmalloc(sizeof(*uuid), GFP_KERNEL); |
2aeb9a1a JH |
2712 | if (!uuid) { |
2713 | err = -ENOMEM; | |
2714 | goto failed; | |
2715 | } | |
2716 | ||
2717 | memcpy(uuid->uuid, cp->uuid, 16); | |
1aff6f09 | 2718 | uuid->svc_hint = cp->svc_hint; |
83be8eca | 2719 | uuid->size = get_uuid_size(cp->uuid); |
2aeb9a1a | 2720 | |
de66aa63 | 2721 | list_add_tail(&uuid->list, &hdev->uuids); |
2aeb9a1a | 2722 | |
890ea898 | 2723 | hci_req_init(&req, hdev); |
1aff6f09 | 2724 | |
890ea898 JH |
2725 | update_class(&req); |
2726 | update_eir(&req); | |
2727 | ||
92da6097 JH |
2728 | err = hci_req_run(&req, add_uuid_complete); |
2729 | if (err < 0) { | |
2730 | if (err != -ENODATA) | |
2731 | goto failed; | |
80a1e1db | 2732 | |
2a1afb5a JH |
2733 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0, |
2734 | hdev->dev_class, 3); | |
90e70454 JH |
2735 | goto failed; |
2736 | } | |
2737 | ||
2738 | cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len); | |
890ea898 | 2739 | if (!cmd) { |
90e70454 | 2740 | err = -ENOMEM; |
890ea898 JH |
2741 | goto failed; |
2742 | } | |
2743 | ||
2744 | err = 0; | |
2aeb9a1a JH |
2745 | |
2746 | failed: | |
09fd0de5 | 2747 | hci_dev_unlock(hdev); |
2aeb9a1a JH |
2748 | return err; |
2749 | } | |
2750 | ||
24b78d0f JH |
2751 | static bool enable_service_cache(struct hci_dev *hdev) |
2752 | { | |
2753 | if (!hdev_is_powered(hdev)) | |
2754 | return false; | |
2755 | ||
238be788 | 2756 | if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) { |
46818ed5 JH |
2757 | queue_delayed_work(hdev->workqueue, &hdev->service_cache, |
2758 | CACHE_TIMEOUT); | |
24b78d0f JH |
2759 | return true; |
2760 | } | |
2761 | ||
2762 | return false; | |
2763 | } | |
2764 | ||
1904a853 | 2765 | static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
92da6097 JH |
2766 | { |
2767 | BT_DBG("status 0x%02x", status); | |
2768 | ||
2769 | mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status); | |
2770 | } | |
2771 | ||
bdb6d971 | 2772 | static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, |
8ce8e2b5 | 2773 | u16 len) |
2aeb9a1a | 2774 | { |
650f726d | 2775 | struct mgmt_cp_remove_uuid *cp = data; |
3b0602cd | 2776 | struct mgmt_pending_cmd *cmd; |
056341c8 | 2777 | struct bt_uuid *match, *tmp; |
2aeb9a1a | 2778 | u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
890ea898 | 2779 | struct hci_request req; |
2aeb9a1a JH |
2780 | int err, found; |
2781 | ||
bdb6d971 | 2782 | BT_DBG("request for %s", hdev->name); |
2aeb9a1a | 2783 | |
09fd0de5 | 2784 | hci_dev_lock(hdev); |
2aeb9a1a | 2785 | |
0cab9c80 | 2786 | if (pending_eir_or_class(hdev)) { |
a69e8375 JH |
2787 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
2788 | MGMT_STATUS_BUSY); | |
c95f0ba7 JH |
2789 | goto unlock; |
2790 | } | |
2791 | ||
2aeb9a1a | 2792 | if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { |
35f7498a | 2793 | hci_uuids_clear(hdev); |
4004b6d9 | 2794 | |
24b78d0f | 2795 | if (enable_service_cache(hdev)) { |
2a1afb5a JH |
2796 | err = mgmt_cmd_complete(sk, hdev->id, |
2797 | MGMT_OP_REMOVE_UUID, | |
2798 | 0, hdev->dev_class, 3); | |
24b78d0f JH |
2799 | goto unlock; |
2800 | } | |
4004b6d9 | 2801 | |
9246a869 | 2802 | goto update_class; |
2aeb9a1a JH |
2803 | } |
2804 | ||
2805 | found = 0; | |
2806 | ||
056341c8 | 2807 | list_for_each_entry_safe(match, tmp, &hdev->uuids, list) { |
2aeb9a1a JH |
2808 | if (memcmp(match->uuid, cp->uuid, 16) != 0) |
2809 | continue; | |
2810 | ||
2811 | list_del(&match->list); | |
482049f7 | 2812 | kfree(match); |
2aeb9a1a JH |
2813 | found++; |
2814 | } | |
2815 | ||
2816 | if (found == 0) { | |
a69e8375 JH |
2817 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
2818 | MGMT_STATUS_INVALID_PARAMS); | |
2aeb9a1a JH |
2819 | goto unlock; |
2820 | } | |
2821 | ||
9246a869 | 2822 | update_class: |
890ea898 | 2823 | hci_req_init(&req, hdev); |
1aff6f09 | 2824 | |
890ea898 JH |
2825 | update_class(&req); |
2826 | update_eir(&req); | |
2827 | ||
92da6097 JH |
2828 | err = hci_req_run(&req, remove_uuid_complete); |
2829 | if (err < 0) { | |
2830 | if (err != -ENODATA) | |
2831 | goto unlock; | |
80a1e1db | 2832 | |
2a1afb5a JH |
2833 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0, |
2834 | hdev->dev_class, 3); | |
90e70454 JH |
2835 | goto unlock; |
2836 | } | |
2837 | ||
2838 | cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len); | |
890ea898 | 2839 | if (!cmd) { |
90e70454 | 2840 | err = -ENOMEM; |
890ea898 JH |
2841 | goto unlock; |
2842 | } | |
2843 | ||
2844 | err = 0; | |
2aeb9a1a JH |
2845 | |
2846 | unlock: | |
09fd0de5 | 2847 | hci_dev_unlock(hdev); |
2aeb9a1a JH |
2848 | return err; |
2849 | } | |
2850 | ||
1904a853 | 2851 | static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
92da6097 JH |
2852 | { |
2853 | BT_DBG("status 0x%02x", status); | |
2854 | ||
2855 | mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status); | |
2856 | } | |
2857 | ||
bdb6d971 | 2858 | static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2859 | u16 len) |
1aff6f09 | 2860 | { |
650f726d | 2861 | struct mgmt_cp_set_dev_class *cp = data; |
3b0602cd | 2862 | struct mgmt_pending_cmd *cmd; |
890ea898 | 2863 | struct hci_request req; |
1aff6f09 JH |
2864 | int err; |
2865 | ||
bdb6d971 | 2866 | BT_DBG("request for %s", hdev->name); |
1aff6f09 | 2867 | |
6203fc98 | 2868 | if (!lmp_bredr_capable(hdev)) |
a69e8375 JH |
2869 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
2870 | MGMT_STATUS_NOT_SUPPORTED); | |
1aff6f09 | 2871 | |
0cab9c80 | 2872 | hci_dev_lock(hdev); |
ee98f473 | 2873 | |
0cab9c80 | 2874 | if (pending_eir_or_class(hdev)) { |
a69e8375 JH |
2875 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
2876 | MGMT_STATUS_BUSY); | |
0cab9c80 JH |
2877 | goto unlock; |
2878 | } | |
c95f0ba7 | 2879 | |
0cab9c80 | 2880 | if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) { |
a69e8375 JH |
2881 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
2882 | MGMT_STATUS_INVALID_PARAMS); | |
0cab9c80 JH |
2883 | goto unlock; |
2884 | } | |
575b3a02 | 2885 | |
932f5ff5 JH |
2886 | hdev->major_class = cp->major; |
2887 | hdev->minor_class = cp->minor; | |
2888 | ||
b5235a65 | 2889 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
2890 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
2891 | hdev->dev_class, 3); | |
b5235a65 JH |
2892 | goto unlock; |
2893 | } | |
2894 | ||
890ea898 JH |
2895 | hci_req_init(&req, hdev); |
2896 | ||
a69d8927 | 2897 | if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) { |
7d78525d JH |
2898 | hci_dev_unlock(hdev); |
2899 | cancel_delayed_work_sync(&hdev->service_cache); | |
2900 | hci_dev_lock(hdev); | |
890ea898 | 2901 | update_eir(&req); |
7d78525d | 2902 | } |
14c0b608 | 2903 | |
890ea898 JH |
2904 | update_class(&req); |
2905 | ||
92da6097 JH |
2906 | err = hci_req_run(&req, set_class_complete); |
2907 | if (err < 0) { | |
2908 | if (err != -ENODATA) | |
2909 | goto unlock; | |
1aff6f09 | 2910 | |
2a1afb5a JH |
2911 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
2912 | hdev->dev_class, 3); | |
90e70454 JH |
2913 | goto unlock; |
2914 | } | |
2915 | ||
2916 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len); | |
890ea898 | 2917 | if (!cmd) { |
90e70454 | 2918 | err = -ENOMEM; |
890ea898 JH |
2919 | goto unlock; |
2920 | } | |
2921 | ||
2922 | err = 0; | |
1aff6f09 | 2923 | |
b5235a65 | 2924 | unlock: |
09fd0de5 | 2925 | hci_dev_unlock(hdev); |
1aff6f09 JH |
2926 | return err; |
2927 | } | |
2928 | ||
bdb6d971 | 2929 | static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, |
8ce8e2b5 | 2930 | u16 len) |
55ed8ca1 | 2931 | { |
650f726d | 2932 | struct mgmt_cp_load_link_keys *cp = data; |
ba1d6936 JH |
2933 | const u16 max_key_count = ((U16_MAX - sizeof(*cp)) / |
2934 | sizeof(struct mgmt_link_key_info)); | |
4e51eae9 | 2935 | u16 key_count, expected_len; |
b1de97d8 | 2936 | bool changed; |
a492cd52 | 2937 | int i; |
55ed8ca1 | 2938 | |
9060d5cf MH |
2939 | BT_DBG("request for %s", hdev->name); |
2940 | ||
2941 | if (!lmp_bredr_capable(hdev)) | |
a69e8375 JH |
2942 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
2943 | MGMT_STATUS_NOT_SUPPORTED); | |
9060d5cf | 2944 | |
1f350c87 | 2945 | key_count = __le16_to_cpu(cp->key_count); |
ba1d6936 JH |
2946 | if (key_count > max_key_count) { |
2947 | BT_ERR("load_link_keys: too big key_count value %u", | |
2948 | key_count); | |
a69e8375 JH |
2949 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
2950 | MGMT_STATUS_INVALID_PARAMS); | |
ba1d6936 | 2951 | } |
55ed8ca1 | 2952 | |
86742e1e JH |
2953 | expected_len = sizeof(*cp) + key_count * |
2954 | sizeof(struct mgmt_link_key_info); | |
a492cd52 | 2955 | if (expected_len != len) { |
86742e1e | 2956 | BT_ERR("load_link_keys: expected %u bytes, got %u bytes", |
2606ecbc | 2957 | expected_len, len); |
a69e8375 JH |
2958 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
2959 | MGMT_STATUS_INVALID_PARAMS); | |
55ed8ca1 JH |
2960 | } |
2961 | ||
4ae14301 | 2962 | if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01) |
a69e8375 JH |
2963 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
2964 | MGMT_STATUS_INVALID_PARAMS); | |
4ae14301 | 2965 | |
bdb6d971 | 2966 | BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys, |
8ce8e2b5 | 2967 | key_count); |
55ed8ca1 | 2968 | |
4ee71b20 JH |
2969 | for (i = 0; i < key_count; i++) { |
2970 | struct mgmt_link_key_info *key = &cp->keys[i]; | |
2971 | ||
8e991132 | 2972 | if (key->addr.type != BDADDR_BREDR || key->type > 0x08) |
a69e8375 JH |
2973 | return mgmt_cmd_status(sk, hdev->id, |
2974 | MGMT_OP_LOAD_LINK_KEYS, | |
2975 | MGMT_STATUS_INVALID_PARAMS); | |
4ee71b20 JH |
2976 | } |
2977 | ||
09fd0de5 | 2978 | hci_dev_lock(hdev); |
55ed8ca1 JH |
2979 | |
2980 | hci_link_keys_clear(hdev); | |
2981 | ||
55ed8ca1 | 2982 | if (cp->debug_keys) |
238be788 | 2983 | changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS); |
55ed8ca1 | 2984 | else |
a69d8927 MH |
2985 | changed = hci_dev_test_and_clear_flag(hdev, |
2986 | HCI_KEEP_DEBUG_KEYS); | |
b1de97d8 MH |
2987 | |
2988 | if (changed) | |
2989 | new_settings(hdev, NULL); | |
55ed8ca1 | 2990 | |
a492cd52 | 2991 | for (i = 0; i < key_count; i++) { |
86742e1e | 2992 | struct mgmt_link_key_info *key = &cp->keys[i]; |
55ed8ca1 | 2993 | |
58e9293c JH |
2994 | /* Always ignore debug keys and require a new pairing if |
2995 | * the user wants to use them. | |
2996 | */ | |
2997 | if (key->type == HCI_LK_DEBUG_COMBINATION) | |
2998 | continue; | |
2999 | ||
7652ff6a JH |
3000 | hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val, |
3001 | key->type, key->pin_len, NULL); | |
55ed8ca1 JH |
3002 | } |
3003 | ||
2a1afb5a | 3004 | mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0); |
0e5f875a | 3005 | |
09fd0de5 | 3006 | hci_dev_unlock(hdev); |
55ed8ca1 | 3007 | |
a492cd52 | 3008 | return 0; |
55ed8ca1 JH |
3009 | } |
3010 | ||
b1078ad0 | 3011 | static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 3012 | u8 addr_type, struct sock *skip_sk) |
b1078ad0 JH |
3013 | { |
3014 | struct mgmt_ev_device_unpaired ev; | |
3015 | ||
3016 | bacpy(&ev.addr.bdaddr, bdaddr); | |
3017 | ev.addr.type = addr_type; | |
3018 | ||
3019 | return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev), | |
04124681 | 3020 | skip_sk); |
b1078ad0 JH |
3021 | } |
3022 | ||
bdb6d971 | 3023 | static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3024 | u16 len) |
55ed8ca1 | 3025 | { |
124f6e35 JH |
3026 | struct mgmt_cp_unpair_device *cp = data; |
3027 | struct mgmt_rp_unpair_device rp; | |
fc64361a | 3028 | struct hci_conn_params *params; |
3b0602cd | 3029 | struct mgmt_pending_cmd *cmd; |
55ed8ca1 | 3030 | struct hci_conn *conn; |
ec182f03 | 3031 | u8 addr_type; |
55ed8ca1 JH |
3032 | int err; |
3033 | ||
a8a1d19e | 3034 | memset(&rp, 0, sizeof(rp)); |
124f6e35 JH |
3035 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
3036 | rp.addr.type = cp->addr.type; | |
a8a1d19e | 3037 | |
4ee71b20 | 3038 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
3039 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
3040 | MGMT_STATUS_INVALID_PARAMS, | |
3041 | &rp, sizeof(rp)); | |
4ee71b20 | 3042 | |
118da70b | 3043 | if (cp->disconnect != 0x00 && cp->disconnect != 0x01) |
2a1afb5a JH |
3044 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
3045 | MGMT_STATUS_INVALID_PARAMS, | |
3046 | &rp, sizeof(rp)); | |
118da70b | 3047 | |
4ee71b20 JH |
3048 | hci_dev_lock(hdev); |
3049 | ||
86a8cfc6 | 3050 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
3051 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
3052 | MGMT_STATUS_NOT_POWERED, &rp, | |
3053 | sizeof(rp)); | |
86a8cfc6 JH |
3054 | goto unlock; |
3055 | } | |
3056 | ||
e0b2b27e | 3057 | if (cp->addr.type == BDADDR_BREDR) { |
89cbb063 AA |
3058 | /* If disconnection is requested, then look up the |
3059 | * connection. If the remote device is connected, it | |
3060 | * will be later used to terminate the link. | |
3061 | * | |
3062 | * Setting it to NULL explicitly will cause no | |
3063 | * termination of the link. | |
3064 | */ | |
3065 | if (cp->disconnect) | |
3066 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
3067 | &cp->addr.bdaddr); | |
3068 | else | |
3069 | conn = NULL; | |
3070 | ||
124f6e35 | 3071 | err = hci_remove_link_key(hdev, &cp->addr.bdaddr); |
ec182f03 JH |
3072 | if (err < 0) { |
3073 | err = mgmt_cmd_complete(sk, hdev->id, | |
3074 | MGMT_OP_UNPAIR_DEVICE, | |
3075 | MGMT_STATUS_NOT_PAIRED, &rp, | |
3076 | sizeof(rp)); | |
3077 | goto unlock; | |
89cbb063 AA |
3078 | } |
3079 | ||
ec182f03 | 3080 | goto done; |
e0b2b27e | 3081 | } |
b0dbfb46 | 3082 | |
ec182f03 JH |
3083 | /* LE address type */ |
3084 | addr_type = le_addr_type(cp->addr.type); | |
3085 | ||
3086 | hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type); | |
3087 | ||
3088 | err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type); | |
55ed8ca1 | 3089 | if (err < 0) { |
2a1afb5a JH |
3090 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
3091 | MGMT_STATUS_NOT_PAIRED, &rp, | |
3092 | sizeof(rp)); | |
55ed8ca1 JH |
3093 | goto unlock; |
3094 | } | |
3095 | ||
ec182f03 JH |
3096 | conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type); |
3097 | if (!conn) { | |
3098 | hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type); | |
3099 | goto done; | |
3100 | } | |
3101 | ||
c81d555a JH |
3102 | /* Abort any ongoing SMP pairing */ |
3103 | smp_cancel_pairing(conn); | |
3104 | ||
ec182f03 JH |
3105 | /* Defer clearing up the connection parameters until closing to |
3106 | * give a chance of keeping them if a repairing happens. | |
3107 | */ | |
3108 | set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); | |
3109 | ||
fc64361a JH |
3110 | /* Disable auto-connection parameters if present */ |
3111 | params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type); | |
3112 | if (params) { | |
3113 | if (params->explicit_connect) | |
3114 | params->auto_connect = HCI_AUTO_CONN_EXPLICIT; | |
3115 | else | |
3116 | params->auto_connect = HCI_AUTO_CONN_DISABLED; | |
3117 | } | |
3118 | ||
ec182f03 JH |
3119 | /* If disconnection is not requested, then clear the connection |
3120 | * variable so that the link is not terminated. | |
3121 | */ | |
3122 | if (!cp->disconnect) | |
3123 | conn = NULL; | |
3124 | ||
3125 | done: | |
89cbb063 AA |
3126 | /* If the connection variable is set, then termination of the |
3127 | * link is requested. | |
3128 | */ | |
a8a1d19e | 3129 | if (!conn) { |
2a1afb5a JH |
3130 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0, |
3131 | &rp, sizeof(rp)); | |
b1078ad0 | 3132 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk); |
a8a1d19e JH |
3133 | goto unlock; |
3134 | } | |
55ed8ca1 | 3135 | |
124f6e35 | 3136 | cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp, |
04124681 | 3137 | sizeof(*cp)); |
a8a1d19e JH |
3138 | if (!cmd) { |
3139 | err = -ENOMEM; | |
3140 | goto unlock; | |
55ed8ca1 JH |
3141 | } |
3142 | ||
d8b7b1e4 JH |
3143 | cmd->cmd_complete = addr_cmd_complete; |
3144 | ||
89e0ccc8 | 3145 | err = hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM); |
a8a1d19e JH |
3146 | if (err < 0) |
3147 | mgmt_pending_remove(cmd); | |
3148 | ||
55ed8ca1 | 3149 | unlock: |
09fd0de5 | 3150 | hci_dev_unlock(hdev); |
55ed8ca1 JH |
3151 | return err; |
3152 | } | |
3153 | ||
bdb6d971 | 3154 | static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3155 | u16 len) |
8962ee74 | 3156 | { |
650f726d | 3157 | struct mgmt_cp_disconnect *cp = data; |
06a63b19 | 3158 | struct mgmt_rp_disconnect rp; |
3b0602cd | 3159 | struct mgmt_pending_cmd *cmd; |
8962ee74 | 3160 | struct hci_conn *conn; |
8962ee74 JH |
3161 | int err; |
3162 | ||
3163 | BT_DBG(""); | |
3164 | ||
06a63b19 JH |
3165 | memset(&rp, 0, sizeof(rp)); |
3166 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
3167 | rp.addr.type = cp->addr.type; | |
3168 | ||
4ee71b20 | 3169 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
3170 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
3171 | MGMT_STATUS_INVALID_PARAMS, | |
3172 | &rp, sizeof(rp)); | |
4ee71b20 | 3173 | |
09fd0de5 | 3174 | hci_dev_lock(hdev); |
8962ee74 JH |
3175 | |
3176 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
2a1afb5a JH |
3177 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
3178 | MGMT_STATUS_NOT_POWERED, &rp, | |
3179 | sizeof(rp)); | |
8962ee74 JH |
3180 | goto failed; |
3181 | } | |
3182 | ||
333ae95d | 3183 | if (pending_find(MGMT_OP_DISCONNECT, hdev)) { |
2a1afb5a JH |
3184 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
3185 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
8962ee74 JH |
3186 | goto failed; |
3187 | } | |
3188 | ||
591f47f3 | 3189 | if (cp->addr.type == BDADDR_BREDR) |
8fc9ced3 GP |
3190 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, |
3191 | &cp->addr.bdaddr); | |
88c3df13 | 3192 | else |
9d4c1cc1 JH |
3193 | conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, |
3194 | le_addr_type(cp->addr.type)); | |
365227e5 | 3195 | |
f960727e | 3196 | if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) { |
2a1afb5a JH |
3197 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
3198 | MGMT_STATUS_NOT_CONNECTED, &rp, | |
3199 | sizeof(rp)); | |
8962ee74 JH |
3200 | goto failed; |
3201 | } | |
3202 | ||
2e58ef3e | 3203 | cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len); |
366a0336 JH |
3204 | if (!cmd) { |
3205 | err = -ENOMEM; | |
8962ee74 | 3206 | goto failed; |
366a0336 | 3207 | } |
8962ee74 | 3208 | |
f5818c22 JH |
3209 | cmd->cmd_complete = generic_cmd_complete; |
3210 | ||
e3f2f92a | 3211 | err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM); |
8962ee74 | 3212 | if (err < 0) |
a664b5bc | 3213 | mgmt_pending_remove(cmd); |
8962ee74 JH |
3214 | |
3215 | failed: | |
09fd0de5 | 3216 | hci_dev_unlock(hdev); |
8962ee74 JH |
3217 | return err; |
3218 | } | |
3219 | ||
57c1477c | 3220 | static u8 link_to_bdaddr(u8 link_type, u8 addr_type) |
4c659c39 JH |
3221 | { |
3222 | switch (link_type) { | |
3223 | case LE_LINK: | |
48264f06 JH |
3224 | switch (addr_type) { |
3225 | case ADDR_LE_DEV_PUBLIC: | |
591f47f3 | 3226 | return BDADDR_LE_PUBLIC; |
0ed09148 | 3227 | |
48264f06 | 3228 | default: |
0ed09148 | 3229 | /* Fallback to LE Random address type */ |
591f47f3 | 3230 | return BDADDR_LE_RANDOM; |
48264f06 | 3231 | } |
0ed09148 | 3232 | |
4c659c39 | 3233 | default: |
0ed09148 | 3234 | /* Fallback to BR/EDR type */ |
591f47f3 | 3235 | return BDADDR_BREDR; |
4c659c39 JH |
3236 | } |
3237 | } | |
3238 | ||
04124681 GP |
3239 | static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data, |
3240 | u16 data_len) | |
2784eb41 | 3241 | { |
2784eb41 | 3242 | struct mgmt_rp_get_connections *rp; |
8035ded4 | 3243 | struct hci_conn *c; |
a38528f1 | 3244 | size_t rp_len; |
60fc5fb6 JH |
3245 | int err; |
3246 | u16 i; | |
2784eb41 JH |
3247 | |
3248 | BT_DBG(""); | |
3249 | ||
09fd0de5 | 3250 | hci_dev_lock(hdev); |
2784eb41 | 3251 | |
5f97c1df | 3252 | if (!hdev_is_powered(hdev)) { |
a69e8375 JH |
3253 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, |
3254 | MGMT_STATUS_NOT_POWERED); | |
5f97c1df JH |
3255 | goto unlock; |
3256 | } | |
3257 | ||
60fc5fb6 | 3258 | i = 0; |
b644ba33 JH |
3259 | list_for_each_entry(c, &hdev->conn_hash.list, list) { |
3260 | if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) | |
60fc5fb6 | 3261 | i++; |
2784eb41 JH |
3262 | } |
3263 | ||
60fc5fb6 | 3264 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); |
92c4c204 | 3265 | rp = kmalloc(rp_len, GFP_KERNEL); |
a38528f1 | 3266 | if (!rp) { |
2784eb41 JH |
3267 | err = -ENOMEM; |
3268 | goto unlock; | |
3269 | } | |
3270 | ||
2784eb41 | 3271 | i = 0; |
4c659c39 | 3272 | list_for_each_entry(c, &hdev->conn_hash.list, list) { |
b644ba33 JH |
3273 | if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) |
3274 | continue; | |
4c659c39 | 3275 | bacpy(&rp->addr[i].bdaddr, &c->dst); |
57c1477c | 3276 | rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type); |
0ed09148 | 3277 | if (c->type == SCO_LINK || c->type == ESCO_LINK) |
4c659c39 JH |
3278 | continue; |
3279 | i++; | |
3280 | } | |
3281 | ||
eb55ef07 | 3282 | rp->conn_count = cpu_to_le16(i); |
60fc5fb6 | 3283 | |
4c659c39 JH |
3284 | /* Recalculate length in case of filtered SCO connections, etc */ |
3285 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); | |
2784eb41 | 3286 | |
2a1afb5a JH |
3287 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp, |
3288 | rp_len); | |
2784eb41 | 3289 | |
a38528f1 | 3290 | kfree(rp); |
5f97c1df JH |
3291 | |
3292 | unlock: | |
09fd0de5 | 3293 | hci_dev_unlock(hdev); |
2784eb41 JH |
3294 | return err; |
3295 | } | |
3296 | ||
bdb6d971 | 3297 | static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3298 | struct mgmt_cp_pin_code_neg_reply *cp) |
96d97a67 | 3299 | { |
3b0602cd | 3300 | struct mgmt_pending_cmd *cmd; |
96d97a67 WR |
3301 | int err; |
3302 | ||
2e58ef3e | 3303 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp, |
04124681 | 3304 | sizeof(*cp)); |
96d97a67 WR |
3305 | if (!cmd) |
3306 | return -ENOMEM; | |
3307 | ||
d8457698 | 3308 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
04124681 | 3309 | sizeof(cp->addr.bdaddr), &cp->addr.bdaddr); |
96d97a67 WR |
3310 | if (err < 0) |
3311 | mgmt_pending_remove(cmd); | |
3312 | ||
3313 | return err; | |
3314 | } | |
3315 | ||
bdb6d971 | 3316 | static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3317 | u16 len) |
980e1a53 | 3318 | { |
96d97a67 | 3319 | struct hci_conn *conn; |
650f726d | 3320 | struct mgmt_cp_pin_code_reply *cp = data; |
980e1a53 | 3321 | struct hci_cp_pin_code_reply reply; |
3b0602cd | 3322 | struct mgmt_pending_cmd *cmd; |
980e1a53 JH |
3323 | int err; |
3324 | ||
3325 | BT_DBG(""); | |
3326 | ||
09fd0de5 | 3327 | hci_dev_lock(hdev); |
980e1a53 | 3328 | |
4b34ee78 | 3329 | if (!hdev_is_powered(hdev)) { |
a69e8375 JH |
3330 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
3331 | MGMT_STATUS_NOT_POWERED); | |
980e1a53 JH |
3332 | goto failed; |
3333 | } | |
3334 | ||
d8457698 | 3335 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr); |
96d97a67 | 3336 | if (!conn) { |
a69e8375 JH |
3337 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
3338 | MGMT_STATUS_NOT_CONNECTED); | |
96d97a67 WR |
3339 | goto failed; |
3340 | } | |
3341 | ||
3342 | if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) { | |
d8457698 JH |
3343 | struct mgmt_cp_pin_code_neg_reply ncp; |
3344 | ||
3345 | memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr)); | |
96d97a67 WR |
3346 | |
3347 | BT_ERR("PIN code is not 16 bytes long"); | |
3348 | ||
bdb6d971 | 3349 | err = send_pin_code_neg_reply(sk, hdev, &ncp); |
96d97a67 | 3350 | if (err >= 0) |
a69e8375 JH |
3351 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
3352 | MGMT_STATUS_INVALID_PARAMS); | |
96d97a67 WR |
3353 | |
3354 | goto failed; | |
3355 | } | |
3356 | ||
00abfe44 | 3357 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len); |
366a0336 JH |
3358 | if (!cmd) { |
3359 | err = -ENOMEM; | |
980e1a53 | 3360 | goto failed; |
366a0336 | 3361 | } |
980e1a53 | 3362 | |
7776d1d8 JH |
3363 | cmd->cmd_complete = addr_cmd_complete; |
3364 | ||
d8457698 | 3365 | bacpy(&reply.bdaddr, &cp->addr.bdaddr); |
980e1a53 | 3366 | reply.pin_len = cp->pin_len; |
24718ca5 | 3367 | memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code)); |
980e1a53 JH |
3368 | |
3369 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply); | |
3370 | if (err < 0) | |
a664b5bc | 3371 | mgmt_pending_remove(cmd); |
980e1a53 JH |
3372 | |
3373 | failed: | |
09fd0de5 | 3374 | hci_dev_unlock(hdev); |
980e1a53 JH |
3375 | return err; |
3376 | } | |
3377 | ||
04124681 GP |
3378 | static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data, |
3379 | u16 len) | |
17fa4b9d | 3380 | { |
650f726d | 3381 | struct mgmt_cp_set_io_capability *cp = data; |
17fa4b9d JH |
3382 | |
3383 | BT_DBG(""); | |
3384 | ||
4ec86d4c | 3385 | if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY) |
2a1afb5a JH |
3386 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, |
3387 | MGMT_STATUS_INVALID_PARAMS, NULL, 0); | |
4ec86d4c | 3388 | |
09fd0de5 | 3389 | hci_dev_lock(hdev); |
17fa4b9d JH |
3390 | |
3391 | hdev->io_capability = cp->io_capability; | |
3392 | ||
3393 | BT_DBG("%s IO capability set to 0x%02x", hdev->name, | |
8ce8e2b5 | 3394 | hdev->io_capability); |
17fa4b9d | 3395 | |
09fd0de5 | 3396 | hci_dev_unlock(hdev); |
17fa4b9d | 3397 | |
2a1afb5a JH |
3398 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, |
3399 | NULL, 0); | |
17fa4b9d JH |
3400 | } |
3401 | ||
3b0602cd | 3402 | static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn) |
e9a416b5 JH |
3403 | { |
3404 | struct hci_dev *hdev = conn->hdev; | |
3b0602cd | 3405 | struct mgmt_pending_cmd *cmd; |
e9a416b5 | 3406 | |
2e58ef3e | 3407 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { |
e9a416b5 JH |
3408 | if (cmd->opcode != MGMT_OP_PAIR_DEVICE) |
3409 | continue; | |
3410 | ||
e9a416b5 JH |
3411 | if (cmd->user_data != conn) |
3412 | continue; | |
3413 | ||
3414 | return cmd; | |
3415 | } | |
3416 | ||
3417 | return NULL; | |
3418 | } | |
3419 | ||
3b0602cd | 3420 | static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status) |
e9a416b5 JH |
3421 | { |
3422 | struct mgmt_rp_pair_device rp; | |
3423 | struct hci_conn *conn = cmd->user_data; | |
9df74653 | 3424 | int err; |
e9a416b5 | 3425 | |
61b1a7fb JH |
3426 | bacpy(&rp.addr.bdaddr, &conn->dst); |
3427 | rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
e9a416b5 | 3428 | |
2a1afb5a JH |
3429 | err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, |
3430 | status, &rp, sizeof(rp)); | |
e9a416b5 JH |
3431 | |
3432 | /* So we don't get further callbacks for this connection */ | |
3433 | conn->connect_cfm_cb = NULL; | |
3434 | conn->security_cfm_cb = NULL; | |
3435 | conn->disconn_cfm_cb = NULL; | |
3436 | ||
76a68ba0 | 3437 | hci_conn_drop(conn); |
89cbb063 AA |
3438 | |
3439 | /* The device is paired so there is no need to remove | |
3440 | * its connection parameters anymore. | |
3441 | */ | |
3442 | clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); | |
15013aeb JH |
3443 | |
3444 | hci_conn_put(conn); | |
9df74653 JH |
3445 | |
3446 | return err; | |
e9a416b5 JH |
3447 | } |
3448 | ||
f4a407be JH |
3449 | void mgmt_smp_complete(struct hci_conn *conn, bool complete) |
3450 | { | |
3451 | u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED; | |
3b0602cd | 3452 | struct mgmt_pending_cmd *cmd; |
f4a407be JH |
3453 | |
3454 | cmd = find_pairing(conn); | |
a511b35b | 3455 | if (cmd) { |
04ab2749 | 3456 | cmd->cmd_complete(cmd, status); |
a511b35b JH |
3457 | mgmt_pending_remove(cmd); |
3458 | } | |
f4a407be JH |
3459 | } |
3460 | ||
e9a416b5 JH |
3461 | static void pairing_complete_cb(struct hci_conn *conn, u8 status) |
3462 | { | |
3b0602cd | 3463 | struct mgmt_pending_cmd *cmd; |
e9a416b5 JH |
3464 | |
3465 | BT_DBG("status %u", status); | |
3466 | ||
3467 | cmd = find_pairing(conn); | |
a511b35b | 3468 | if (!cmd) { |
e9a416b5 | 3469 | BT_DBG("Unable to find a pending command"); |
a511b35b JH |
3470 | return; |
3471 | } | |
3472 | ||
3473 | cmd->cmd_complete(cmd, mgmt_status(status)); | |
3474 | mgmt_pending_remove(cmd); | |
e9a416b5 JH |
3475 | } |
3476 | ||
f4a407be | 3477 | static void le_pairing_complete_cb(struct hci_conn *conn, u8 status) |
4c47d739 | 3478 | { |
3b0602cd | 3479 | struct mgmt_pending_cmd *cmd; |
4c47d739 VA |
3480 | |
3481 | BT_DBG("status %u", status); | |
3482 | ||
3483 | if (!status) | |
3484 | return; | |
3485 | ||
3486 | cmd = find_pairing(conn); | |
a511b35b | 3487 | if (!cmd) { |
4c47d739 | 3488 | BT_DBG("Unable to find a pending command"); |
a511b35b JH |
3489 | return; |
3490 | } | |
3491 | ||
3492 | cmd->cmd_complete(cmd, mgmt_status(status)); | |
3493 | mgmt_pending_remove(cmd); | |
4c47d739 VA |
3494 | } |
3495 | ||
bdb6d971 | 3496 | static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3497 | u16 len) |
e9a416b5 | 3498 | { |
650f726d | 3499 | struct mgmt_cp_pair_device *cp = data; |
1425acb7 | 3500 | struct mgmt_rp_pair_device rp; |
3b0602cd | 3501 | struct mgmt_pending_cmd *cmd; |
e9a416b5 JH |
3502 | u8 sec_level, auth_type; |
3503 | struct hci_conn *conn; | |
e9a416b5 JH |
3504 | int err; |
3505 | ||
3506 | BT_DBG(""); | |
3507 | ||
f950a30e SJ |
3508 | memset(&rp, 0, sizeof(rp)); |
3509 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
3510 | rp.addr.type = cp->addr.type; | |
3511 | ||
4ee71b20 | 3512 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
3513 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3514 | MGMT_STATUS_INVALID_PARAMS, | |
3515 | &rp, sizeof(rp)); | |
4ee71b20 | 3516 | |
4ec86d4c | 3517 | if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY) |
2a1afb5a JH |
3518 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3519 | MGMT_STATUS_INVALID_PARAMS, | |
3520 | &rp, sizeof(rp)); | |
4ec86d4c | 3521 | |
09fd0de5 | 3522 | hci_dev_lock(hdev); |
e9a416b5 | 3523 | |
5f97c1df | 3524 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
3525 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3526 | MGMT_STATUS_NOT_POWERED, &rp, | |
3527 | sizeof(rp)); | |
5f97c1df JH |
3528 | goto unlock; |
3529 | } | |
3530 | ||
55e76b38 JH |
3531 | if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) { |
3532 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
3533 | MGMT_STATUS_ALREADY_PAIRED, &rp, | |
3534 | sizeof(rp)); | |
3535 | goto unlock; | |
3536 | } | |
3537 | ||
c908df36 | 3538 | sec_level = BT_SECURITY_MEDIUM; |
6fd6b915 | 3539 | auth_type = HCI_AT_DEDICATED_BONDING; |
e9a416b5 | 3540 | |
6f77d8c7 | 3541 | if (cp->addr.type == BDADDR_BREDR) { |
04a6c589 AG |
3542 | conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level, |
3543 | auth_type); | |
6f77d8c7 | 3544 | } else { |
85813a7e | 3545 | u8 addr_type = le_addr_type(cp->addr.type); |
5157b8a5 | 3546 | struct hci_conn_params *p; |
6f77d8c7 | 3547 | |
7c264b10 MH |
3548 | /* When pairing a new device, it is expected to remember |
3549 | * this device for future connections. Adding the connection | |
3550 | * parameter information ahead of time allows tracking | |
3551 | * of the slave preferred values and will speed up any | |
3552 | * further connection establishment. | |
3553 | * | |
3554 | * If connection parameters already exist, then they | |
3555 | * will be kept and this function does nothing. | |
3556 | */ | |
5157b8a5 JP |
3557 | p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type); |
3558 | ||
3559 | if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT) | |
3560 | p->auto_connect = HCI_AUTO_CONN_DISABLED; | |
7c264b10 | 3561 | |
fa142220 JP |
3562 | conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr, |
3563 | addr_type, sec_level, | |
3564 | HCI_LE_CONN_TIMEOUT, | |
3565 | HCI_ROLE_MASTER); | |
6f77d8c7 | 3566 | } |
7a512d01 | 3567 | |
30e76272 | 3568 | if (IS_ERR(conn)) { |
489dc48e AK |
3569 | int status; |
3570 | ||
3571 | if (PTR_ERR(conn) == -EBUSY) | |
3572 | status = MGMT_STATUS_BUSY; | |
faa81030 LR |
3573 | else if (PTR_ERR(conn) == -EOPNOTSUPP) |
3574 | status = MGMT_STATUS_NOT_SUPPORTED; | |
3575 | else if (PTR_ERR(conn) == -ECONNREFUSED) | |
3576 | status = MGMT_STATUS_REJECTED; | |
489dc48e AK |
3577 | else |
3578 | status = MGMT_STATUS_CONNECT_FAILED; | |
3579 | ||
2a1afb5a JH |
3580 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3581 | status, &rp, sizeof(rp)); | |
e9a416b5 JH |
3582 | goto unlock; |
3583 | } | |
3584 | ||
3585 | if (conn->connect_cfm_cb) { | |
76a68ba0 | 3586 | hci_conn_drop(conn); |
2a1afb5a JH |
3587 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3588 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
e9a416b5 JH |
3589 | goto unlock; |
3590 | } | |
3591 | ||
2e58ef3e | 3592 | cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len); |
e9a416b5 JH |
3593 | if (!cmd) { |
3594 | err = -ENOMEM; | |
76a68ba0 | 3595 | hci_conn_drop(conn); |
e9a416b5 JH |
3596 | goto unlock; |
3597 | } | |
3598 | ||
04ab2749 JH |
3599 | cmd->cmd_complete = pairing_complete; |
3600 | ||
7a512d01 | 3601 | /* For LE, just connecting isn't a proof that the pairing finished */ |
f4a407be | 3602 | if (cp->addr.type == BDADDR_BREDR) { |
7a512d01 | 3603 | conn->connect_cfm_cb = pairing_complete_cb; |
f4a407be JH |
3604 | conn->security_cfm_cb = pairing_complete_cb; |
3605 | conn->disconn_cfm_cb = pairing_complete_cb; | |
3606 | } else { | |
3607 | conn->connect_cfm_cb = le_pairing_complete_cb; | |
3608 | conn->security_cfm_cb = le_pairing_complete_cb; | |
3609 | conn->disconn_cfm_cb = le_pairing_complete_cb; | |
3610 | } | |
7a512d01 | 3611 | |
e9a416b5 | 3612 | conn->io_capability = cp->io_cap; |
f8aaf9b6 | 3613 | cmd->user_data = hci_conn_get(conn); |
e9a416b5 | 3614 | |
6f78fd4b | 3615 | if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) && |
a511b35b JH |
3616 | hci_conn_security(conn, sec_level, auth_type, true)) { |
3617 | cmd->cmd_complete(cmd, 0); | |
3618 | mgmt_pending_remove(cmd); | |
3619 | } | |
e9a416b5 JH |
3620 | |
3621 | err = 0; | |
3622 | ||
3623 | unlock: | |
09fd0de5 | 3624 | hci_dev_unlock(hdev); |
e9a416b5 JH |
3625 | return err; |
3626 | } | |
3627 | ||
04124681 GP |
3628 | static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
3629 | u16 len) | |
28424707 | 3630 | { |
0f4e68cf | 3631 | struct mgmt_addr_info *addr = data; |
3b0602cd | 3632 | struct mgmt_pending_cmd *cmd; |
28424707 JH |
3633 | struct hci_conn *conn; |
3634 | int err; | |
3635 | ||
3636 | BT_DBG(""); | |
3637 | ||
28424707 JH |
3638 | hci_dev_lock(hdev); |
3639 | ||
5f97c1df | 3640 | if (!hdev_is_powered(hdev)) { |
a69e8375 JH |
3641 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
3642 | MGMT_STATUS_NOT_POWERED); | |
5f97c1df JH |
3643 | goto unlock; |
3644 | } | |
3645 | ||
333ae95d | 3646 | cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev); |
28424707 | 3647 | if (!cmd) { |
a69e8375 JH |
3648 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
3649 | MGMT_STATUS_INVALID_PARAMS); | |
28424707 JH |
3650 | goto unlock; |
3651 | } | |
3652 | ||
3653 | conn = cmd->user_data; | |
3654 | ||
3655 | if (bacmp(&addr->bdaddr, &conn->dst) != 0) { | |
a69e8375 JH |
3656 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
3657 | MGMT_STATUS_INVALID_PARAMS); | |
28424707 JH |
3658 | goto unlock; |
3659 | } | |
3660 | ||
a511b35b JH |
3661 | cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED); |
3662 | mgmt_pending_remove(cmd); | |
28424707 | 3663 | |
2a1afb5a JH |
3664 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0, |
3665 | addr, sizeof(*addr)); | |
28424707 JH |
3666 | unlock: |
3667 | hci_dev_unlock(hdev); | |
28424707 JH |
3668 | return err; |
3669 | } | |
3670 | ||
bdb6d971 | 3671 | static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, |
1707c60e | 3672 | struct mgmt_addr_info *addr, u16 mgmt_op, |
04124681 | 3673 | u16 hci_op, __le32 passkey) |
a5c29683 | 3674 | { |
3b0602cd | 3675 | struct mgmt_pending_cmd *cmd; |
0df4c185 | 3676 | struct hci_conn *conn; |
a5c29683 JH |
3677 | int err; |
3678 | ||
09fd0de5 | 3679 | hci_dev_lock(hdev); |
08ba5382 | 3680 | |
4b34ee78 | 3681 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
3682 | err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
3683 | MGMT_STATUS_NOT_POWERED, addr, | |
3684 | sizeof(*addr)); | |
0df4c185 | 3685 | goto done; |
a5c29683 JH |
3686 | } |
3687 | ||
1707c60e JH |
3688 | if (addr->type == BDADDR_BREDR) |
3689 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr); | |
272d90df | 3690 | else |
9d4c1cc1 JH |
3691 | conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr, |
3692 | le_addr_type(addr->type)); | |
272d90df JH |
3693 | |
3694 | if (!conn) { | |
2a1afb5a JH |
3695 | err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
3696 | MGMT_STATUS_NOT_CONNECTED, addr, | |
3697 | sizeof(*addr)); | |
272d90df JH |
3698 | goto done; |
3699 | } | |
47c15e2b | 3700 | |
1707c60e | 3701 | if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) { |
5fe57d9e | 3702 | err = smp_user_confirm_reply(conn, mgmt_op, passkey); |
5fe57d9e | 3703 | if (!err) |
2a1afb5a JH |
3704 | err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
3705 | MGMT_STATUS_SUCCESS, addr, | |
3706 | sizeof(*addr)); | |
5fe57d9e | 3707 | else |
2a1afb5a JH |
3708 | err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
3709 | MGMT_STATUS_FAILED, addr, | |
3710 | sizeof(*addr)); | |
47c15e2b | 3711 | |
47c15e2b BG |
3712 | goto done; |
3713 | } | |
3714 | ||
1707c60e | 3715 | cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr)); |
a5c29683 JH |
3716 | if (!cmd) { |
3717 | err = -ENOMEM; | |
0df4c185 | 3718 | goto done; |
a5c29683 JH |
3719 | } |
3720 | ||
7776d1d8 JH |
3721 | cmd->cmd_complete = addr_cmd_complete; |
3722 | ||
0df4c185 | 3723 | /* Continue with pairing via HCI */ |
604086b7 BG |
3724 | if (hci_op == HCI_OP_USER_PASSKEY_REPLY) { |
3725 | struct hci_cp_user_passkey_reply cp; | |
3726 | ||
1707c60e | 3727 | bacpy(&cp.bdaddr, &addr->bdaddr); |
604086b7 BG |
3728 | cp.passkey = passkey; |
3729 | err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp); | |
3730 | } else | |
1707c60e JH |
3731 | err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr), |
3732 | &addr->bdaddr); | |
604086b7 | 3733 | |
a664b5bc JH |
3734 | if (err < 0) |
3735 | mgmt_pending_remove(cmd); | |
a5c29683 | 3736 | |
0df4c185 | 3737 | done: |
09fd0de5 | 3738 | hci_dev_unlock(hdev); |
a5c29683 JH |
3739 | return err; |
3740 | } | |
3741 | ||
afeb019d JK |
3742 | static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
3743 | void *data, u16 len) | |
3744 | { | |
3745 | struct mgmt_cp_pin_code_neg_reply *cp = data; | |
3746 | ||
3747 | BT_DBG(""); | |
3748 | ||
1707c60e | 3749 | return user_pairing_resp(sk, hdev, &cp->addr, |
afeb019d JK |
3750 | MGMT_OP_PIN_CODE_NEG_REPLY, |
3751 | HCI_OP_PIN_CODE_NEG_REPLY, 0); | |
3752 | } | |
3753 | ||
04124681 GP |
3754 | static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
3755 | u16 len) | |
0df4c185 | 3756 | { |
650f726d | 3757 | struct mgmt_cp_user_confirm_reply *cp = data; |
0df4c185 BG |
3758 | |
3759 | BT_DBG(""); | |
3760 | ||
3761 | if (len != sizeof(*cp)) | |
a69e8375 JH |
3762 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY, |
3763 | MGMT_STATUS_INVALID_PARAMS); | |
0df4c185 | 3764 | |
1707c60e | 3765 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3766 | MGMT_OP_USER_CONFIRM_REPLY, |
3767 | HCI_OP_USER_CONFIRM_REPLY, 0); | |
0df4c185 BG |
3768 | } |
3769 | ||
bdb6d971 | 3770 | static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3771 | void *data, u16 len) |
0df4c185 | 3772 | { |
c9c2659f | 3773 | struct mgmt_cp_user_confirm_neg_reply *cp = data; |
0df4c185 BG |
3774 | |
3775 | BT_DBG(""); | |
3776 | ||
1707c60e | 3777 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3778 | MGMT_OP_USER_CONFIRM_NEG_REPLY, |
3779 | HCI_OP_USER_CONFIRM_NEG_REPLY, 0); | |
0df4c185 BG |
3780 | } |
3781 | ||
04124681 GP |
3782 | static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
3783 | u16 len) | |
604086b7 | 3784 | { |
650f726d | 3785 | struct mgmt_cp_user_passkey_reply *cp = data; |
604086b7 BG |
3786 | |
3787 | BT_DBG(""); | |
3788 | ||
1707c60e | 3789 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3790 | MGMT_OP_USER_PASSKEY_REPLY, |
3791 | HCI_OP_USER_PASSKEY_REPLY, cp->passkey); | |
604086b7 BG |
3792 | } |
3793 | ||
bdb6d971 | 3794 | static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3795 | void *data, u16 len) |
604086b7 | 3796 | { |
650f726d | 3797 | struct mgmt_cp_user_passkey_neg_reply *cp = data; |
604086b7 BG |
3798 | |
3799 | BT_DBG(""); | |
3800 | ||
1707c60e | 3801 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3802 | MGMT_OP_USER_PASSKEY_NEG_REPLY, |
3803 | HCI_OP_USER_PASSKEY_NEG_REPLY, 0); | |
604086b7 BG |
3804 | } |
3805 | ||
13928971 | 3806 | static void update_name(struct hci_request *req) |
2b4bf397 | 3807 | { |
13928971 | 3808 | struct hci_dev *hdev = req->hdev; |
2b4bf397 JH |
3809 | struct hci_cp_write_local_name cp; |
3810 | ||
13928971 | 3811 | memcpy(cp.name, hdev->dev_name, sizeof(cp.name)); |
2b4bf397 | 3812 | |
890ea898 | 3813 | hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp); |
2b4bf397 JH |
3814 | } |
3815 | ||
1904a853 | 3816 | static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
13928971 JH |
3817 | { |
3818 | struct mgmt_cp_set_local_name *cp; | |
3b0602cd | 3819 | struct mgmt_pending_cmd *cmd; |
13928971 JH |
3820 | |
3821 | BT_DBG("status 0x%02x", status); | |
3822 | ||
3823 | hci_dev_lock(hdev); | |
3824 | ||
333ae95d | 3825 | cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); |
13928971 JH |
3826 | if (!cmd) |
3827 | goto unlock; | |
3828 | ||
3829 | cp = cmd->param; | |
3830 | ||
3831 | if (status) | |
a69e8375 JH |
3832 | mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, |
3833 | mgmt_status(status)); | |
13928971 | 3834 | else |
2a1afb5a JH |
3835 | mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
3836 | cp, sizeof(*cp)); | |
13928971 JH |
3837 | |
3838 | mgmt_pending_remove(cmd); | |
3839 | ||
3840 | unlock: | |
3841 | hci_dev_unlock(hdev); | |
3842 | } | |
3843 | ||
bdb6d971 | 3844 | static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3845 | u16 len) |
b312b161 | 3846 | { |
2b4bf397 | 3847 | struct mgmt_cp_set_local_name *cp = data; |
3b0602cd | 3848 | struct mgmt_pending_cmd *cmd; |
890ea898 | 3849 | struct hci_request req; |
b312b161 JH |
3850 | int err; |
3851 | ||
3852 | BT_DBG(""); | |
3853 | ||
09fd0de5 | 3854 | hci_dev_lock(hdev); |
b312b161 | 3855 | |
b3f2ca94 JH |
3856 | /* If the old values are the same as the new ones just return a |
3857 | * direct command complete event. | |
3858 | */ | |
3859 | if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) && | |
3860 | !memcmp(hdev->short_name, cp->short_name, | |
3861 | sizeof(hdev->short_name))) { | |
2a1afb5a JH |
3862 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
3863 | data, len); | |
b3f2ca94 JH |
3864 | goto failed; |
3865 | } | |
3866 | ||
2b4bf397 | 3867 | memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name)); |
28cc7bde | 3868 | |
b5235a65 | 3869 | if (!hdev_is_powered(hdev)) { |
2b4bf397 | 3870 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); |
28cc7bde | 3871 | |
2a1afb5a JH |
3872 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
3873 | data, len); | |
28cc7bde JH |
3874 | if (err < 0) |
3875 | goto failed; | |
3876 | ||
f6b7712e MH |
3877 | err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, |
3878 | data, len, sk); | |
28cc7bde | 3879 | |
b5235a65 JH |
3880 | goto failed; |
3881 | } | |
3882 | ||
28cc7bde | 3883 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len); |
b312b161 JH |
3884 | if (!cmd) { |
3885 | err = -ENOMEM; | |
3886 | goto failed; | |
3887 | } | |
3888 | ||
13928971 JH |
3889 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); |
3890 | ||
890ea898 | 3891 | hci_req_init(&req, hdev); |
3f985050 JH |
3892 | |
3893 | if (lmp_bredr_capable(hdev)) { | |
3894 | update_name(&req); | |
3895 | update_eir(&req); | |
3896 | } | |
3897 | ||
7a5f4990 MH |
3898 | /* The name is stored in the scan response data and so |
3899 | * no need to udpate the advertising data here. | |
3900 | */ | |
3f985050 | 3901 | if (lmp_le_capable(hdev)) |
7a5f4990 | 3902 | update_scan_rsp_data(&req); |
3f985050 | 3903 | |
13928971 | 3904 | err = hci_req_run(&req, set_name_complete); |
b312b161 JH |
3905 | if (err < 0) |
3906 | mgmt_pending_remove(cmd); | |
3907 | ||
3908 | failed: | |
09fd0de5 | 3909 | hci_dev_unlock(hdev); |
b312b161 JH |
3910 | return err; |
3911 | } | |
3912 | ||
1b9441f8 JH |
3913 | static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status, |
3914 | u16 opcode, struct sk_buff *skb) | |
3915 | { | |
3916 | struct mgmt_rp_read_local_oob_data mgmt_rp; | |
3917 | size_t rp_size = sizeof(mgmt_rp); | |
3918 | struct mgmt_pending_cmd *cmd; | |
3919 | ||
3920 | BT_DBG("%s status %u", hdev->name, status); | |
3921 | ||
3922 | cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev); | |
3923 | if (!cmd) | |
3924 | return; | |
3925 | ||
3926 | if (status || !skb) { | |
3927 | mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
3928 | status ? mgmt_status(status) : MGMT_STATUS_FAILED); | |
3929 | goto remove; | |
3930 | } | |
3931 | ||
3932 | memset(&mgmt_rp, 0, sizeof(mgmt_rp)); | |
3933 | ||
3934 | if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) { | |
3935 | struct hci_rp_read_local_oob_data *rp = (void *) skb->data; | |
3936 | ||
3937 | if (skb->len < sizeof(*rp)) { | |
3938 | mgmt_cmd_status(cmd->sk, hdev->id, | |
3939 | MGMT_OP_READ_LOCAL_OOB_DATA, | |
3940 | MGMT_STATUS_FAILED); | |
3941 | goto remove; | |
3942 | } | |
3943 | ||
3944 | memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash)); | |
3945 | memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand)); | |
3946 | ||
3947 | rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256); | |
3948 | } else { | |
3949 | struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data; | |
3950 | ||
3951 | if (skb->len < sizeof(*rp)) { | |
3952 | mgmt_cmd_status(cmd->sk, hdev->id, | |
3953 | MGMT_OP_READ_LOCAL_OOB_DATA, | |
3954 | MGMT_STATUS_FAILED); | |
3955 | goto remove; | |
3956 | } | |
3957 | ||
3958 | memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192)); | |
3959 | memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192)); | |
3960 | ||
3961 | memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256)); | |
3962 | memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256)); | |
3963 | } | |
3964 | ||
3965 | mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, | |
3966 | MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size); | |
3967 | ||
3968 | remove: | |
3969 | mgmt_pending_remove(cmd); | |
3970 | } | |
3971 | ||
0f4e68cf | 3972 | static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3973 | void *data, u16 data_len) |
c35938b2 | 3974 | { |
3b0602cd | 3975 | struct mgmt_pending_cmd *cmd; |
1b9441f8 | 3976 | struct hci_request req; |
c35938b2 SJ |
3977 | int err; |
3978 | ||
bdb6d971 | 3979 | BT_DBG("%s", hdev->name); |
c35938b2 | 3980 | |
09fd0de5 | 3981 | hci_dev_lock(hdev); |
c35938b2 | 3982 | |
4b34ee78 | 3983 | if (!hdev_is_powered(hdev)) { |
a69e8375 JH |
3984 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
3985 | MGMT_STATUS_NOT_POWERED); | |
c35938b2 SJ |
3986 | goto unlock; |
3987 | } | |
3988 | ||
9a1a1996 | 3989 | if (!lmp_ssp_capable(hdev)) { |
a69e8375 JH |
3990 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
3991 | MGMT_STATUS_NOT_SUPPORTED); | |
c35938b2 SJ |
3992 | goto unlock; |
3993 | } | |
3994 | ||
333ae95d | 3995 | if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) { |
a69e8375 JH |
3996 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
3997 | MGMT_STATUS_BUSY); | |
c35938b2 SJ |
3998 | goto unlock; |
3999 | } | |
4000 | ||
2e58ef3e | 4001 | cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0); |
c35938b2 SJ |
4002 | if (!cmd) { |
4003 | err = -ENOMEM; | |
4004 | goto unlock; | |
4005 | } | |
4006 | ||
1b9441f8 JH |
4007 | hci_req_init(&req, hdev); |
4008 | ||
710f11c0 | 4009 | if (bredr_sc_enabled(hdev)) |
1b9441f8 | 4010 | hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL); |
4d2d2796 | 4011 | else |
1b9441f8 | 4012 | hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); |
4d2d2796 | 4013 | |
1b9441f8 | 4014 | err = hci_req_run_skb(&req, read_local_oob_data_complete); |
c35938b2 SJ |
4015 | if (err < 0) |
4016 | mgmt_pending_remove(cmd); | |
4017 | ||
4018 | unlock: | |
09fd0de5 | 4019 | hci_dev_unlock(hdev); |
c35938b2 SJ |
4020 | return err; |
4021 | } | |
4022 | ||
bdb6d971 | 4023 | static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
04124681 | 4024 | void *data, u16 len) |
2763eda6 | 4025 | { |
5d57e796 | 4026 | struct mgmt_addr_info *addr = data; |
2763eda6 SJ |
4027 | int err; |
4028 | ||
bdb6d971 | 4029 | BT_DBG("%s ", hdev->name); |
2763eda6 | 4030 | |
5d57e796 | 4031 | if (!bdaddr_type_is_valid(addr->type)) |
2a1afb5a JH |
4032 | return mgmt_cmd_complete(sk, hdev->id, |
4033 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
4034 | MGMT_STATUS_INVALID_PARAMS, | |
4035 | addr, sizeof(*addr)); | |
5d57e796 | 4036 | |
09fd0de5 | 4037 | hci_dev_lock(hdev); |
2763eda6 | 4038 | |
ec109113 MH |
4039 | if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) { |
4040 | struct mgmt_cp_add_remote_oob_data *cp = data; | |
4041 | u8 status; | |
bf1e3541 | 4042 | |
c19a495c | 4043 | if (cp->addr.type != BDADDR_BREDR) { |
2a1afb5a JH |
4044 | err = mgmt_cmd_complete(sk, hdev->id, |
4045 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
4046 | MGMT_STATUS_INVALID_PARAMS, | |
4047 | &cp->addr, sizeof(cp->addr)); | |
c19a495c JH |
4048 | goto unlock; |
4049 | } | |
4050 | ||
ec109113 | 4051 | err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, |
6928a924 JH |
4052 | cp->addr.type, cp->hash, |
4053 | cp->rand, NULL, NULL); | |
ec109113 MH |
4054 | if (err < 0) |
4055 | status = MGMT_STATUS_FAILED; | |
4056 | else | |
4057 | status = MGMT_STATUS_SUCCESS; | |
4058 | ||
2a1afb5a JH |
4059 | err = mgmt_cmd_complete(sk, hdev->id, |
4060 | MGMT_OP_ADD_REMOTE_OOB_DATA, status, | |
4061 | &cp->addr, sizeof(cp->addr)); | |
ec109113 MH |
4062 | } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) { |
4063 | struct mgmt_cp_add_remote_oob_ext_data *cp = data; | |
41bcfd50 | 4064 | u8 *rand192, *hash192, *rand256, *hash256; |
ec109113 MH |
4065 | u8 status; |
4066 | ||
86df9200 | 4067 | if (bdaddr_type_is_le(cp->addr.type)) { |
d25b78e2 JH |
4068 | /* Enforce zero-valued 192-bit parameters as |
4069 | * long as legacy SMP OOB isn't implemented. | |
4070 | */ | |
4071 | if (memcmp(cp->rand192, ZERO_KEY, 16) || | |
4072 | memcmp(cp->hash192, ZERO_KEY, 16)) { | |
2a1afb5a JH |
4073 | err = mgmt_cmd_complete(sk, hdev->id, |
4074 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
4075 | MGMT_STATUS_INVALID_PARAMS, | |
4076 | addr, sizeof(*addr)); | |
d25b78e2 JH |
4077 | goto unlock; |
4078 | } | |
4079 | ||
86df9200 JH |
4080 | rand192 = NULL; |
4081 | hash192 = NULL; | |
4082 | } else { | |
41bcfd50 MH |
4083 | /* In case one of the P-192 values is set to zero, |
4084 | * then just disable OOB data for P-192. | |
4085 | */ | |
4086 | if (!memcmp(cp->rand192, ZERO_KEY, 16) || | |
4087 | !memcmp(cp->hash192, ZERO_KEY, 16)) { | |
4088 | rand192 = NULL; | |
4089 | hash192 = NULL; | |
4090 | } else { | |
4091 | rand192 = cp->rand192; | |
4092 | hash192 = cp->hash192; | |
4093 | } | |
4094 | } | |
4095 | ||
4096 | /* In case one of the P-256 values is set to zero, then just | |
4097 | * disable OOB data for P-256. | |
4098 | */ | |
4099 | if (!memcmp(cp->rand256, ZERO_KEY, 16) || | |
4100 | !memcmp(cp->hash256, ZERO_KEY, 16)) { | |
4101 | rand256 = NULL; | |
4102 | hash256 = NULL; | |
4103 | } else { | |
4104 | rand256 = cp->rand256; | |
4105 | hash256 = cp->hash256; | |
86df9200 JH |
4106 | } |
4107 | ||
81328d5c | 4108 | err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, |
86df9200 | 4109 | cp->addr.type, hash192, rand192, |
41bcfd50 | 4110 | hash256, rand256); |
ec109113 MH |
4111 | if (err < 0) |
4112 | status = MGMT_STATUS_FAILED; | |
4113 | else | |
4114 | status = MGMT_STATUS_SUCCESS; | |
4115 | ||
2a1afb5a JH |
4116 | err = mgmt_cmd_complete(sk, hdev->id, |
4117 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
4118 | status, &cp->addr, sizeof(cp->addr)); | |
ec109113 MH |
4119 | } else { |
4120 | BT_ERR("add_remote_oob_data: invalid length of %u bytes", len); | |
a69e8375 JH |
4121 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, |
4122 | MGMT_STATUS_INVALID_PARAMS); | |
ec109113 | 4123 | } |
2763eda6 | 4124 | |
c19a495c | 4125 | unlock: |
09fd0de5 | 4126 | hci_dev_unlock(hdev); |
2763eda6 SJ |
4127 | return err; |
4128 | } | |
4129 | ||
bdb6d971 | 4130 | static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
8ce8e2b5 | 4131 | void *data, u16 len) |
2763eda6 | 4132 | { |
650f726d | 4133 | struct mgmt_cp_remove_remote_oob_data *cp = data; |
bf1e3541 | 4134 | u8 status; |
2763eda6 SJ |
4135 | int err; |
4136 | ||
bdb6d971 | 4137 | BT_DBG("%s", hdev->name); |
2763eda6 | 4138 | |
c19a495c | 4139 | if (cp->addr.type != BDADDR_BREDR) |
2a1afb5a JH |
4140 | return mgmt_cmd_complete(sk, hdev->id, |
4141 | MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
4142 | MGMT_STATUS_INVALID_PARAMS, | |
4143 | &cp->addr, sizeof(cp->addr)); | |
c19a495c | 4144 | |
09fd0de5 | 4145 | hci_dev_lock(hdev); |
2763eda6 | 4146 | |
eedbd581 JH |
4147 | if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { |
4148 | hci_remote_oob_data_clear(hdev); | |
4149 | status = MGMT_STATUS_SUCCESS; | |
4150 | goto done; | |
4151 | } | |
4152 | ||
6928a924 | 4153 | err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type); |
2763eda6 | 4154 | if (err < 0) |
bf1e3541 | 4155 | status = MGMT_STATUS_INVALID_PARAMS; |
2763eda6 | 4156 | else |
a6785be2 | 4157 | status = MGMT_STATUS_SUCCESS; |
bf1e3541 | 4158 | |
eedbd581 | 4159 | done: |
2a1afb5a JH |
4160 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA, |
4161 | status, &cp->addr, sizeof(cp->addr)); | |
2763eda6 | 4162 | |
09fd0de5 | 4163 | hci_dev_unlock(hdev); |
2763eda6 SJ |
4164 | return err; |
4165 | } | |
4166 | ||
812abb13 | 4167 | static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status) |
41dc2bd6 | 4168 | { |
8019044d | 4169 | struct hci_dev *hdev = req->hdev; |
812abb13 | 4170 | struct hci_cp_inquiry cp; |
8019044d MH |
4171 | /* General inquiry access code (GIAC) */ |
4172 | u8 lap[3] = { 0x33, 0x8b, 0x9e }; | |
812abb13 JP |
4173 | |
4174 | *status = mgmt_bredr_support(hdev); | |
4175 | if (*status) | |
4176 | return false; | |
4177 | ||
4178 | if (hci_dev_test_flag(hdev, HCI_INQUIRY)) { | |
4179 | *status = MGMT_STATUS_BUSY; | |
4180 | return false; | |
4181 | } | |
4182 | ||
4183 | hci_inquiry_cache_flush(hdev); | |
4184 | ||
4185 | memset(&cp, 0, sizeof(cp)); | |
4186 | memcpy(&cp.lap, lap, sizeof(cp.lap)); | |
4187 | cp.length = DISCOV_BREDR_INQUIRY_LEN; | |
4188 | ||
4189 | hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp); | |
4190 | ||
4191 | return true; | |
4192 | } | |
4193 | ||
4194 | static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status) | |
4195 | { | |
4196 | struct hci_dev *hdev = req->hdev; | |
4197 | struct hci_cp_le_set_scan_param param_cp; | |
4198 | struct hci_cp_le_set_scan_enable enable_cp; | |
8019044d | 4199 | u8 own_addr_type; |
41dc2bd6 AG |
4200 | int err; |
4201 | ||
812abb13 JP |
4202 | *status = mgmt_le_support(hdev); |
4203 | if (*status) | |
4204 | return false; | |
41dc2bd6 | 4205 | |
812abb13 JP |
4206 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) { |
4207 | /* Don't let discovery abort an outgoing connection attempt | |
4208 | * that's using directed advertising. | |
4209 | */ | |
e7d9ab73 | 4210 | if (hci_lookup_le_connect(hdev)) { |
812abb13 | 4211 | *status = MGMT_STATUS_REJECTED; |
8019044d MH |
4212 | return false; |
4213 | } | |
41dc2bd6 | 4214 | |
9d5fc2f2 | 4215 | cancel_adv_timeout(hdev); |
812abb13 JP |
4216 | disable_advertising(req); |
4217 | } | |
41dc2bd6 | 4218 | |
812abb13 JP |
4219 | /* If controller is scanning, it means the background scanning is |
4220 | * running. Thus, we should temporarily stop it in order to set the | |
4221 | * discovery scanning parameters. | |
4222 | */ | |
4223 | if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) | |
4224 | hci_req_add_le_scan_disable(req); | |
41dc2bd6 | 4225 | |
812abb13 JP |
4226 | /* All active scans will be done with either a resolvable private |
4227 | * address (when privacy feature has been enabled) or non-resolvable | |
4228 | * private address. | |
4229 | */ | |
4230 | err = hci_update_random_address(req, true, &own_addr_type); | |
4231 | if (err < 0) { | |
4232 | *status = MGMT_STATUS_FAILED; | |
4233 | return false; | |
4234 | } | |
8019044d | 4235 | |
812abb13 JP |
4236 | memset(¶m_cp, 0, sizeof(param_cp)); |
4237 | param_cp.type = LE_SCAN_ACTIVE; | |
4238 | param_cp.interval = cpu_to_le16(interval); | |
4239 | param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN); | |
4240 | param_cp.own_address_type = own_addr_type; | |
8019044d | 4241 | |
812abb13 JP |
4242 | hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp), |
4243 | ¶m_cp); | |
8019044d | 4244 | |
812abb13 JP |
4245 | memset(&enable_cp, 0, sizeof(enable_cp)); |
4246 | enable_cp.enable = LE_SCAN_ENABLE; | |
4247 | enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE; | |
8019044d | 4248 | |
812abb13 JP |
4249 | hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp), |
4250 | &enable_cp); | |
4251 | ||
4252 | return true; | |
4253 | } | |
8019044d | 4254 | |
812abb13 JP |
4255 | static bool trigger_discovery(struct hci_request *req, u8 *status) |
4256 | { | |
4257 | struct hci_dev *hdev = req->hdev; | |
8019044d | 4258 | |
812abb13 JP |
4259 | switch (hdev->discovery.type) { |
4260 | case DISCOV_TYPE_BREDR: | |
4261 | if (!trigger_bredr_inquiry(req, status)) | |
4262 | return false; | |
4263 | break; | |
4264 | ||
4265 | case DISCOV_TYPE_INTERLEAVED: | |
07d2334a JP |
4266 | if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, |
4267 | &hdev->quirks)) { | |
4268 | /* During simultaneous discovery, we double LE scan | |
4269 | * interval. We must leave some time for the controller | |
4270 | * to do BR/EDR inquiry. | |
4271 | */ | |
4272 | if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2, | |
4273 | status)) | |
4274 | return false; | |
4275 | ||
4276 | if (!trigger_bredr_inquiry(req, status)) | |
4277 | return false; | |
4278 | ||
4279 | return true; | |
4280 | } | |
4281 | ||
812abb13 JP |
4282 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
4283 | *status = MGMT_STATUS_NOT_SUPPORTED; | |
8019044d MH |
4284 | return false; |
4285 | } | |
812abb13 | 4286 | /* fall through */ |
8019044d | 4287 | |
812abb13 JP |
4288 | case DISCOV_TYPE_LE: |
4289 | if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status)) | |
4290 | return false; | |
8019044d MH |
4291 | break; |
4292 | ||
4293 | default: | |
4294 | *status = MGMT_STATUS_INVALID_PARAMS; | |
4295 | return false; | |
4296 | } | |
4297 | ||
4298 | return true; | |
41dc2bd6 AG |
4299 | } |
4300 | ||
1904a853 MH |
4301 | static void start_discovery_complete(struct hci_dev *hdev, u8 status, |
4302 | u16 opcode) | |
7c307720 | 4303 | { |
3b0602cd | 4304 | struct mgmt_pending_cmd *cmd; |
11e6e25d | 4305 | unsigned long timeout; |
ae55f598 | 4306 | |
7c307720 AG |
4307 | BT_DBG("status %d", status); |
4308 | ||
11e6e25d | 4309 | hci_dev_lock(hdev); |
41dc2bd6 | 4310 | |
333ae95d | 4311 | cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev); |
66ea9427 | 4312 | if (!cmd) |
333ae95d | 4313 | cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev); |
66ea9427 | 4314 | |
11e6e25d | 4315 | if (cmd) { |
2922a94f | 4316 | cmd->cmd_complete(cmd, mgmt_status(status)); |
11e6e25d MH |
4317 | mgmt_pending_remove(cmd); |
4318 | } | |
7c307720 AG |
4319 | |
4320 | if (status) { | |
11e6e25d MH |
4321 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
4322 | goto unlock; | |
7c307720 AG |
4323 | } |
4324 | ||
7c307720 | 4325 | hci_discovery_set_state(hdev, DISCOVERY_FINDING); |
7c307720 | 4326 | |
2d28cfe7 JP |
4327 | /* If the scan involves LE scan, pick proper timeout to schedule |
4328 | * hdev->le_scan_disable that will stop it. | |
4329 | */ | |
7c307720 AG |
4330 | switch (hdev->discovery.type) { |
4331 | case DISCOV_TYPE_LE: | |
3d5a76f0 | 4332 | timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT); |
7c307720 | 4333 | break; |
7c307720 | 4334 | case DISCOV_TYPE_INTERLEAVED: |
07d2334a JP |
4335 | /* When running simultaneous discovery, the LE scanning time |
4336 | * should occupy the whole discovery time sine BR/EDR inquiry | |
4337 | * and LE scanning are scheduled by the controller. | |
4338 | * | |
4339 | * For interleaving discovery in comparison, BR/EDR inquiry | |
4340 | * and LE scanning are done sequentially with separate | |
4341 | * timeouts. | |
4342 | */ | |
4343 | if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) | |
4344 | timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT); | |
4345 | else | |
4346 | timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout); | |
7c307720 | 4347 | break; |
7c307720 | 4348 | case DISCOV_TYPE_BREDR: |
11e6e25d | 4349 | timeout = 0; |
7c307720 | 4350 | break; |
7c307720 AG |
4351 | default: |
4352 | BT_ERR("Invalid discovery type %d", hdev->discovery.type); | |
11e6e25d MH |
4353 | timeout = 0; |
4354 | break; | |
7c307720 | 4355 | } |
ae55f598 | 4356 | |
2d28cfe7 JP |
4357 | if (timeout) { |
4358 | /* When service discovery is used and the controller has | |
4359 | * a strict duplicate filter, it is important to remember | |
4360 | * the start and duration of the scan. This is required | |
4361 | * for restarting scanning during the discovery phase. | |
4362 | */ | |
4363 | if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, | |
4364 | &hdev->quirks) && | |
82f8b651 | 4365 | hdev->discovery.result_filtering) { |
2d28cfe7 JP |
4366 | hdev->discovery.scan_start = jiffies; |
4367 | hdev->discovery.scan_duration = timeout; | |
4368 | } | |
4369 | ||
7c1fbed2 | 4370 | queue_delayed_work(hdev->req_workqueue, |
11e6e25d | 4371 | &hdev->le_scan_disable, timeout); |
2d28cfe7 | 4372 | } |
ae55f598 | 4373 | |
11e6e25d MH |
4374 | unlock: |
4375 | hci_dev_unlock(hdev); | |
7c307720 AG |
4376 | } |
4377 | ||
591752af JH |
4378 | static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type, |
4379 | uint8_t *mgmt_status) | |
4380 | { | |
4381 | switch (type) { | |
4382 | case DISCOV_TYPE_LE: | |
4383 | *mgmt_status = mgmt_le_support(hdev); | |
4384 | if (*mgmt_status) | |
4385 | return false; | |
4386 | break; | |
4387 | case DISCOV_TYPE_INTERLEAVED: | |
4388 | *mgmt_status = mgmt_le_support(hdev); | |
4389 | if (*mgmt_status) | |
4390 | return false; | |
4391 | /* Intentional fall-through */ | |
4392 | case DISCOV_TYPE_BREDR: | |
4393 | *mgmt_status = mgmt_bredr_support(hdev); | |
4394 | if (*mgmt_status) | |
4395 | return false; | |
4396 | break; | |
4397 | default: | |
4398 | *mgmt_status = MGMT_STATUS_INVALID_PARAMS; | |
4399 | return false; | |
4400 | } | |
4401 | ||
4402 | return true; | |
4403 | } | |
4404 | ||
bdb6d971 | 4405 | static int start_discovery(struct sock *sk, struct hci_dev *hdev, |
04124681 | 4406 | void *data, u16 len) |
14a53664 | 4407 | { |
650f726d | 4408 | struct mgmt_cp_start_discovery *cp = data; |
3b0602cd | 4409 | struct mgmt_pending_cmd *cmd; |
7c307720 | 4410 | struct hci_request req; |
8019044d | 4411 | u8 status; |
14a53664 JH |
4412 | int err; |
4413 | ||
bdb6d971 | 4414 | BT_DBG("%s", hdev->name); |
14a53664 | 4415 | |
09fd0de5 | 4416 | hci_dev_lock(hdev); |
14a53664 | 4417 | |
4b34ee78 | 4418 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
4419 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
4420 | MGMT_STATUS_NOT_POWERED, | |
4421 | &cp->type, sizeof(cp->type)); | |
bd2d1334 JH |
4422 | goto failed; |
4423 | } | |
4424 | ||
f5a969f2 | 4425 | if (hdev->discovery.state != DISCOVERY_STOPPED || |
d7a5a11d | 4426 | hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) { |
2a1afb5a JH |
4427 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
4428 | MGMT_STATUS_BUSY, &cp->type, | |
4429 | sizeof(cp->type)); | |
642be6c7 AG |
4430 | goto failed; |
4431 | } | |
4432 | ||
591752af JH |
4433 | if (!discovery_type_is_valid(hdev, cp->type, &status)) { |
4434 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
4435 | status, &cp->type, sizeof(cp->type)); | |
4436 | goto failed; | |
4437 | } | |
4438 | ||
2922a94f | 4439 | cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len); |
14a53664 JH |
4440 | if (!cmd) { |
4441 | err = -ENOMEM; | |
4442 | goto failed; | |
4443 | } | |
4444 | ||
2922a94f JH |
4445 | cmd->cmd_complete = generic_cmd_complete; |
4446 | ||
22078800 MH |
4447 | /* Clear the discovery filter first to free any previously |
4448 | * allocated memory for the UUID list. | |
4449 | */ | |
4450 | hci_discovery_filter_clear(hdev); | |
4451 | ||
4aab14e5 | 4452 | hdev->discovery.type = cp->type; |
da25cf6a | 4453 | hdev->discovery.report_invalid_rssi = false; |
4aab14e5 | 4454 | |
7c307720 AG |
4455 | hci_req_init(&req, hdev); |
4456 | ||
8019044d | 4457 | if (!trigger_discovery(&req, &status)) { |
2a1afb5a JH |
4458 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
4459 | status, &cp->type, sizeof(cp->type)); | |
04106755 JH |
4460 | mgmt_pending_remove(cmd); |
4461 | goto failed; | |
f39799f5 | 4462 | } |
04106755 | 4463 | |
7c307720 | 4464 | err = hci_req_run(&req, start_discovery_complete); |
f5a969f2 | 4465 | if (err < 0) { |
14a53664 | 4466 | mgmt_pending_remove(cmd); |
f5a969f2 MH |
4467 | goto failed; |
4468 | } | |
7c307720 | 4469 | |
f5a969f2 | 4470 | hci_discovery_set_state(hdev, DISCOVERY_STARTING); |
7c307720 | 4471 | |
14a53664 | 4472 | failed: |
09fd0de5 | 4473 | hci_dev_unlock(hdev); |
14a53664 JH |
4474 | return err; |
4475 | } | |
f39799f5 | 4476 | |
3b0602cd JH |
4477 | static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd, |
4478 | u8 status) | |
2922a94f | 4479 | { |
2a1afb5a JH |
4480 | return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, |
4481 | cmd->param, 1); | |
2922a94f | 4482 | } |
04106755 | 4483 | |
66ea9427 JP |
4484 | static int start_service_discovery(struct sock *sk, struct hci_dev *hdev, |
4485 | void *data, u16 len) | |
4486 | { | |
4487 | struct mgmt_cp_start_service_discovery *cp = data; | |
3b0602cd | 4488 | struct mgmt_pending_cmd *cmd; |
66ea9427 JP |
4489 | struct hci_request req; |
4490 | const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16); | |
4491 | u16 uuid_count, expected_len; | |
4492 | u8 status; | |
4493 | int err; | |
04106755 | 4494 | |
66ea9427 | 4495 | BT_DBG("%s", hdev->name); |
e8bb6b97 | 4496 | |
66ea9427 | 4497 | hci_dev_lock(hdev); |
7c307720 | 4498 | |
66ea9427 | 4499 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
4500 | err = mgmt_cmd_complete(sk, hdev->id, |
4501 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4502 | MGMT_STATUS_NOT_POWERED, | |
4503 | &cp->type, sizeof(cp->type)); | |
66ea9427 JP |
4504 | goto failed; |
4505 | } | |
7c307720 | 4506 | |
66ea9427 | 4507 | if (hdev->discovery.state != DISCOVERY_STOPPED || |
d7a5a11d | 4508 | hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) { |
2a1afb5a JH |
4509 | err = mgmt_cmd_complete(sk, hdev->id, |
4510 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4511 | MGMT_STATUS_BUSY, &cp->type, | |
4512 | sizeof(cp->type)); | |
66ea9427 JP |
4513 | goto failed; |
4514 | } | |
d9483943 | 4515 | |
66ea9427 JP |
4516 | uuid_count = __le16_to_cpu(cp->uuid_count); |
4517 | if (uuid_count > max_uuid_count) { | |
4518 | BT_ERR("service_discovery: too big uuid_count value %u", | |
4519 | uuid_count); | |
2a1afb5a JH |
4520 | err = mgmt_cmd_complete(sk, hdev->id, |
4521 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4522 | MGMT_STATUS_INVALID_PARAMS, &cp->type, | |
4523 | sizeof(cp->type)); | |
66ea9427 JP |
4524 | goto failed; |
4525 | } | |
4526 | ||
4527 | expected_len = sizeof(*cp) + uuid_count * 16; | |
4528 | if (expected_len != len) { | |
4529 | BT_ERR("service_discovery: expected %u bytes, got %u bytes", | |
4530 | expected_len, len); | |
2a1afb5a JH |
4531 | err = mgmt_cmd_complete(sk, hdev->id, |
4532 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4533 | MGMT_STATUS_INVALID_PARAMS, &cp->type, | |
4534 | sizeof(cp->type)); | |
66ea9427 JP |
4535 | goto failed; |
4536 | } | |
4537 | ||
591752af JH |
4538 | if (!discovery_type_is_valid(hdev, cp->type, &status)) { |
4539 | err = mgmt_cmd_complete(sk, hdev->id, | |
4540 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4541 | status, &cp->type, sizeof(cp->type)); | |
4542 | goto failed; | |
4543 | } | |
4544 | ||
66ea9427 | 4545 | cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY, |
2922a94f | 4546 | hdev, data, len); |
66ea9427 JP |
4547 | if (!cmd) { |
4548 | err = -ENOMEM; | |
4549 | goto failed; | |
4550 | } | |
4551 | ||
2922a94f JH |
4552 | cmd->cmd_complete = service_discovery_cmd_complete; |
4553 | ||
22078800 MH |
4554 | /* Clear the discovery filter first to free any previously |
4555 | * allocated memory for the UUID list. | |
4556 | */ | |
4557 | hci_discovery_filter_clear(hdev); | |
4558 | ||
82f8b651 | 4559 | hdev->discovery.result_filtering = true; |
66ea9427 JP |
4560 | hdev->discovery.type = cp->type; |
4561 | hdev->discovery.rssi = cp->rssi; | |
4562 | hdev->discovery.uuid_count = uuid_count; | |
4563 | ||
4564 | if (uuid_count > 0) { | |
4565 | hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16, | |
4566 | GFP_KERNEL); | |
4567 | if (!hdev->discovery.uuids) { | |
2a1afb5a JH |
4568 | err = mgmt_cmd_complete(sk, hdev->id, |
4569 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4570 | MGMT_STATUS_FAILED, | |
4571 | &cp->type, sizeof(cp->type)); | |
d9483943 JH |
4572 | mgmt_pending_remove(cmd); |
4573 | goto failed; | |
4574 | } | |
66ea9427 | 4575 | } |
d9483943 | 4576 | |
66ea9427 | 4577 | hci_req_init(&req, hdev); |
5e0452c0 | 4578 | |
66ea9427 | 4579 | if (!trigger_discovery(&req, &status)) { |
2a1afb5a JH |
4580 | err = mgmt_cmd_complete(sk, hdev->id, |
4581 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4582 | status, &cp->type, sizeof(cp->type)); | |
04106755 JH |
4583 | mgmt_pending_remove(cmd); |
4584 | goto failed; | |
f39799f5 | 4585 | } |
3fd24153 | 4586 | |
7c307720 | 4587 | err = hci_req_run(&req, start_discovery_complete); |
66ea9427 | 4588 | if (err < 0) { |
14a53664 | 4589 | mgmt_pending_remove(cmd); |
66ea9427 JP |
4590 | goto failed; |
4591 | } | |
4592 | ||
4593 | hci_discovery_set_state(hdev, DISCOVERY_STARTING); | |
14a53664 JH |
4594 | |
4595 | failed: | |
09fd0de5 | 4596 | hci_dev_unlock(hdev); |
14a53664 JH |
4597 | return err; |
4598 | } | |
4599 | ||
1904a853 | 4600 | static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
1183fdca | 4601 | { |
3b0602cd | 4602 | struct mgmt_pending_cmd *cmd; |
1183fdca | 4603 | |
0e05bba6 AG |
4604 | BT_DBG("status %d", status); |
4605 | ||
4606 | hci_dev_lock(hdev); | |
4607 | ||
333ae95d | 4608 | cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev); |
11e6e25d | 4609 | if (cmd) { |
2922a94f | 4610 | cmd->cmd_complete(cmd, mgmt_status(status)); |
11e6e25d | 4611 | mgmt_pending_remove(cmd); |
0e05bba6 AG |
4612 | } |
4613 | ||
11e6e25d MH |
4614 | if (!status) |
4615 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
0e05bba6 | 4616 | |
0e05bba6 AG |
4617 | hci_dev_unlock(hdev); |
4618 | } | |
4619 | ||
bdb6d971 | 4620 | static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 4621 | u16 len) |
14a53664 | 4622 | { |
d930650b | 4623 | struct mgmt_cp_stop_discovery *mgmt_cp = data; |
3b0602cd | 4624 | struct mgmt_pending_cmd *cmd; |
0e05bba6 | 4625 | struct hci_request req; |
14a53664 JH |
4626 | int err; |
4627 | ||
bdb6d971 | 4628 | BT_DBG("%s", hdev->name); |
14a53664 | 4629 | |
09fd0de5 | 4630 | hci_dev_lock(hdev); |
14a53664 | 4631 | |
30dc78e1 | 4632 | if (!hci_discovery_active(hdev)) { |
2a1afb5a JH |
4633 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
4634 | MGMT_STATUS_REJECTED, &mgmt_cp->type, | |
4635 | sizeof(mgmt_cp->type)); | |
d930650b JH |
4636 | goto unlock; |
4637 | } | |
4638 | ||
4639 | if (hdev->discovery.type != mgmt_cp->type) { | |
2a1afb5a JH |
4640 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
4641 | MGMT_STATUS_INVALID_PARAMS, | |
4642 | &mgmt_cp->type, sizeof(mgmt_cp->type)); | |
30dc78e1 | 4643 | goto unlock; |
ff9ef578 JH |
4644 | } |
4645 | ||
2922a94f | 4646 | cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len); |
14a53664 JH |
4647 | if (!cmd) { |
4648 | err = -ENOMEM; | |
30dc78e1 JH |
4649 | goto unlock; |
4650 | } | |
4651 | ||
2922a94f JH |
4652 | cmd->cmd_complete = generic_cmd_complete; |
4653 | ||
0e05bba6 AG |
4654 | hci_req_init(&req, hdev); |
4655 | ||
21a60d30 | 4656 | hci_stop_discovery(&req); |
e0d9727e | 4657 | |
21a60d30 JH |
4658 | err = hci_req_run(&req, stop_discovery_complete); |
4659 | if (!err) { | |
4660 | hci_discovery_set_state(hdev, DISCOVERY_STOPPING); | |
0e05bba6 | 4661 | goto unlock; |
14a53664 JH |
4662 | } |
4663 | ||
21a60d30 JH |
4664 | mgmt_pending_remove(cmd); |
4665 | ||
4666 | /* If no HCI commands were sent we're done */ | |
4667 | if (err == -ENODATA) { | |
2a1afb5a JH |
4668 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0, |
4669 | &mgmt_cp->type, sizeof(mgmt_cp->type)); | |
21a60d30 JH |
4670 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
4671 | } | |
14a53664 | 4672 | |
30dc78e1 | 4673 | unlock: |
09fd0de5 | 4674 | hci_dev_unlock(hdev); |
14a53664 JH |
4675 | return err; |
4676 | } | |
4677 | ||
bdb6d971 | 4678 | static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 4679 | u16 len) |
561aafbc | 4680 | { |
650f726d | 4681 | struct mgmt_cp_confirm_name *cp = data; |
561aafbc | 4682 | struct inquiry_entry *e; |
561aafbc JH |
4683 | int err; |
4684 | ||
bdb6d971 | 4685 | BT_DBG("%s", hdev->name); |
561aafbc | 4686 | |
561aafbc JH |
4687 | hci_dev_lock(hdev); |
4688 | ||
30dc78e1 | 4689 | if (!hci_discovery_active(hdev)) { |
2a1afb5a JH |
4690 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
4691 | MGMT_STATUS_FAILED, &cp->addr, | |
4692 | sizeof(cp->addr)); | |
30dc78e1 JH |
4693 | goto failed; |
4694 | } | |
4695 | ||
a198e7b1 | 4696 | e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr); |
561aafbc | 4697 | if (!e) { |
2a1afb5a JH |
4698 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
4699 | MGMT_STATUS_INVALID_PARAMS, &cp->addr, | |
4700 | sizeof(cp->addr)); | |
561aafbc JH |
4701 | goto failed; |
4702 | } | |
4703 | ||
4704 | if (cp->name_known) { | |
4705 | e->name_state = NAME_KNOWN; | |
4706 | list_del(&e->list); | |
4707 | } else { | |
4708 | e->name_state = NAME_NEEDED; | |
a3d4e20a | 4709 | hci_inquiry_cache_update_resolve(hdev, e); |
561aafbc JH |
4710 | } |
4711 | ||
2a1afb5a JH |
4712 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, |
4713 | &cp->addr, sizeof(cp->addr)); | |
561aafbc JH |
4714 | |
4715 | failed: | |
4716 | hci_dev_unlock(hdev); | |
561aafbc JH |
4717 | return err; |
4718 | } | |
4719 | ||
bdb6d971 | 4720 | static int block_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 4721 | u16 len) |
7fbec224 | 4722 | { |
650f726d | 4723 | struct mgmt_cp_block_device *cp = data; |
f0eeea8b | 4724 | u8 status; |
7fbec224 AJ |
4725 | int err; |
4726 | ||
bdb6d971 | 4727 | BT_DBG("%s", hdev->name); |
7fbec224 | 4728 | |
4ee71b20 | 4729 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
4730 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, |
4731 | MGMT_STATUS_INVALID_PARAMS, | |
4732 | &cp->addr, sizeof(cp->addr)); | |
4ee71b20 | 4733 | |
09fd0de5 | 4734 | hci_dev_lock(hdev); |
5e762444 | 4735 | |
dcc36c16 JH |
4736 | err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr, |
4737 | cp->addr.type); | |
2a8357f2 | 4738 | if (err < 0) { |
f0eeea8b | 4739 | status = MGMT_STATUS_FAILED; |
2a8357f2 JH |
4740 | goto done; |
4741 | } | |
4742 | ||
4743 | mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr), | |
4744 | sk); | |
4745 | status = MGMT_STATUS_SUCCESS; | |
f0eeea8b | 4746 | |
2a8357f2 | 4747 | done: |
2a1afb5a JH |
4748 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status, |
4749 | &cp->addr, sizeof(cp->addr)); | |
5e762444 | 4750 | |
09fd0de5 | 4751 | hci_dev_unlock(hdev); |
7fbec224 AJ |
4752 | |
4753 | return err; | |
4754 | } | |
4755 | ||
bdb6d971 | 4756 | static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 4757 | u16 len) |
7fbec224 | 4758 | { |
650f726d | 4759 | struct mgmt_cp_unblock_device *cp = data; |
f0eeea8b | 4760 | u8 status; |
7fbec224 AJ |
4761 | int err; |
4762 | ||
bdb6d971 | 4763 | BT_DBG("%s", hdev->name); |
7fbec224 | 4764 | |
4ee71b20 | 4765 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
4766 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, |
4767 | MGMT_STATUS_INVALID_PARAMS, | |
4768 | &cp->addr, sizeof(cp->addr)); | |
4ee71b20 | 4769 | |
09fd0de5 | 4770 | hci_dev_lock(hdev); |
5e762444 | 4771 | |
dcc36c16 JH |
4772 | err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr, |
4773 | cp->addr.type); | |
2a8357f2 | 4774 | if (err < 0) { |
f0eeea8b | 4775 | status = MGMT_STATUS_INVALID_PARAMS; |
2a8357f2 JH |
4776 | goto done; |
4777 | } | |
4778 | ||
4779 | mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr), | |
4780 | sk); | |
4781 | status = MGMT_STATUS_SUCCESS; | |
f0eeea8b | 4782 | |
2a8357f2 | 4783 | done: |
2a1afb5a JH |
4784 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status, |
4785 | &cp->addr, sizeof(cp->addr)); | |
5e762444 | 4786 | |
09fd0de5 | 4787 | hci_dev_unlock(hdev); |
7fbec224 AJ |
4788 | |
4789 | return err; | |
4790 | } | |
4791 | ||
cdbaccca MH |
4792 | static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, |
4793 | u16 len) | |
4794 | { | |
4795 | struct mgmt_cp_set_device_id *cp = data; | |
890ea898 | 4796 | struct hci_request req; |
cdbaccca | 4797 | int err; |
c72d4b8a | 4798 | __u16 source; |
cdbaccca MH |
4799 | |
4800 | BT_DBG("%s", hdev->name); | |
4801 | ||
c72d4b8a SJ |
4802 | source = __le16_to_cpu(cp->source); |
4803 | ||
4804 | if (source > 0x0002) | |
a69e8375 JH |
4805 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, |
4806 | MGMT_STATUS_INVALID_PARAMS); | |
c72d4b8a | 4807 | |
cdbaccca MH |
4808 | hci_dev_lock(hdev); |
4809 | ||
c72d4b8a | 4810 | hdev->devid_source = source; |
cdbaccca MH |
4811 | hdev->devid_vendor = __le16_to_cpu(cp->vendor); |
4812 | hdev->devid_product = __le16_to_cpu(cp->product); | |
4813 | hdev->devid_version = __le16_to_cpu(cp->version); | |
4814 | ||
2a1afb5a JH |
4815 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, |
4816 | NULL, 0); | |
cdbaccca | 4817 | |
890ea898 JH |
4818 | hci_req_init(&req, hdev); |
4819 | update_eir(&req); | |
4820 | hci_req_run(&req, NULL); | |
cdbaccca MH |
4821 | |
4822 | hci_dev_unlock(hdev); | |
4823 | ||
4824 | return err; | |
4825 | } | |
4826 | ||
24b4f38f AU |
4827 | static void enable_advertising_instance(struct hci_dev *hdev, u8 status, |
4828 | u16 opcode) | |
4829 | { | |
4830 | BT_DBG("status %d", status); | |
4831 | } | |
4832 | ||
1904a853 MH |
4833 | static void set_advertising_complete(struct hci_dev *hdev, u8 status, |
4834 | u16 opcode) | |
4375f103 JH |
4835 | { |
4836 | struct cmd_lookup match = { NULL, hdev }; | |
24b4f38f | 4837 | struct hci_request req; |
7816b820 FG |
4838 | u8 instance; |
4839 | struct adv_info *adv_instance; | |
4840 | int err; | |
4375f103 | 4841 | |
3ad67582 JK |
4842 | hci_dev_lock(hdev); |
4843 | ||
4375f103 JH |
4844 | if (status) { |
4845 | u8 mgmt_err = mgmt_status(status); | |
4846 | ||
4847 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, | |
4848 | cmd_status_rsp, &mgmt_err); | |
3ad67582 | 4849 | goto unlock; |
4375f103 JH |
4850 | } |
4851 | ||
d7a5a11d | 4852 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
a1536da2 | 4853 | hci_dev_set_flag(hdev, HCI_ADVERTISING); |
c93bd150 | 4854 | else |
a358dc11 | 4855 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); |
c93bd150 | 4856 | |
4375f103 JH |
4857 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp, |
4858 | &match); | |
4859 | ||
4860 | new_settings(hdev, match.sk); | |
4861 | ||
4862 | if (match.sk) | |
4863 | sock_put(match.sk); | |
3ad67582 | 4864 | |
24b4f38f | 4865 | /* If "Set Advertising" was just disabled and instance advertising was |
7816b820 | 4866 | * set up earlier, then re-enable multi-instance advertising. |
24b4f38f AU |
4867 | */ |
4868 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING) || | |
7816b820 FG |
4869 | !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) || |
4870 | list_empty(&hdev->adv_instances)) | |
24b4f38f AU |
4871 | goto unlock; |
4872 | ||
7816b820 FG |
4873 | instance = hdev->cur_adv_instance; |
4874 | if (!instance) { | |
4875 | adv_instance = list_first_entry_or_null(&hdev->adv_instances, | |
4876 | struct adv_info, list); | |
4877 | if (!adv_instance) | |
4878 | goto unlock; | |
4879 | ||
4880 | instance = adv_instance->instance; | |
4881 | } | |
4882 | ||
24b4f38f AU |
4883 | hci_req_init(&req, hdev); |
4884 | ||
7816b820 FG |
4885 | err = schedule_adv_instance(&req, instance, true); |
4886 | ||
4887 | if (!err) | |
4888 | err = hci_req_run(&req, enable_advertising_instance); | |
24b4f38f | 4889 | |
7816b820 | 4890 | if (err) |
24b4f38f AU |
4891 | BT_ERR("Failed to re-configure advertising"); |
4892 | ||
3ad67582 JK |
4893 | unlock: |
4894 | hci_dev_unlock(hdev); | |
4375f103 JH |
4895 | } |
4896 | ||
21b5187f MH |
4897 | static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data, |
4898 | u16 len) | |
4375f103 JH |
4899 | { |
4900 | struct mgmt_mode *cp = data; | |
3b0602cd | 4901 | struct mgmt_pending_cmd *cmd; |
4375f103 | 4902 | struct hci_request req; |
cc91cb04 | 4903 | u8 val, status; |
4375f103 JH |
4904 | int err; |
4905 | ||
4906 | BT_DBG("request for %s", hdev->name); | |
4907 | ||
e6fe7986 JH |
4908 | status = mgmt_le_support(hdev); |
4909 | if (status) | |
a69e8375 JH |
4910 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
4911 | status); | |
4375f103 | 4912 | |
cc91cb04 | 4913 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
a69e8375 JH |
4914 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
4915 | MGMT_STATUS_INVALID_PARAMS); | |
4375f103 JH |
4916 | |
4917 | hci_dev_lock(hdev); | |
4918 | ||
4919 | val = !!cp->val; | |
4375f103 | 4920 | |
f74ca9b8 JH |
4921 | /* The following conditions are ones which mean that we should |
4922 | * not do any HCI communication but directly send a mgmt | |
4923 | * response to user space (after toggling the flag if | |
4924 | * necessary). | |
4925 | */ | |
cc91cb04 | 4926 | if (!hdev_is_powered(hdev) || |
d7a5a11d MH |
4927 | (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) && |
4928 | (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) || | |
e8bb6b97 | 4929 | hci_conn_num(hdev, LE_LINK) > 0 || |
d7a5a11d | 4930 | (hci_dev_test_flag(hdev, HCI_LE_SCAN) && |
e8bb6b97 | 4931 | hdev->le_scan_type == LE_SCAN_ACTIVE)) { |
cc91cb04 | 4932 | bool changed; |
4375f103 | 4933 | |
cc91cb04 | 4934 | if (cp->val) { |
238be788 | 4935 | changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING); |
cc91cb04 | 4936 | if (cp->val == 0x02) |
a1536da2 | 4937 | hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
cc91cb04 | 4938 | else |
a358dc11 | 4939 | hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
cc91cb04 | 4940 | } else { |
a69d8927 | 4941 | changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING); |
a358dc11 | 4942 | hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
4375f103 JH |
4943 | } |
4944 | ||
4945 | err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev); | |
4946 | if (err < 0) | |
4947 | goto unlock; | |
4948 | ||
4949 | if (changed) | |
4950 | err = new_settings(hdev, sk); | |
4951 | ||
4952 | goto unlock; | |
4953 | } | |
4954 | ||
333ae95d JH |
4955 | if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) || |
4956 | pending_find(MGMT_OP_SET_LE, hdev)) { | |
a69e8375 JH |
4957 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
4958 | MGMT_STATUS_BUSY); | |
4375f103 JH |
4959 | goto unlock; |
4960 | } | |
4961 | ||
4962 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len); | |
4963 | if (!cmd) { | |
4964 | err = -ENOMEM; | |
4965 | goto unlock; | |
4966 | } | |
4967 | ||
4968 | hci_req_init(&req, hdev); | |
4969 | ||
cc91cb04 | 4970 | if (cp->val == 0x02) |
a1536da2 | 4971 | hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
cc91cb04 | 4972 | else |
a358dc11 | 4973 | hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
cc91cb04 | 4974 | |
7816b820 FG |
4975 | cancel_adv_timeout(hdev); |
4976 | ||
24b4f38f | 4977 | if (val) { |
7816b820 FG |
4978 | /* Switch to instance "0" for the Set Advertising setting. |
4979 | * We cannot use update_[adv|scan_rsp]_data() here as the | |
4980 | * HCI_ADVERTISING flag is not yet set. | |
4981 | */ | |
efae002c FG |
4982 | update_inst_adv_data(&req, 0x00); |
4983 | update_inst_scan_rsp_data(&req, 0x00); | |
bba3aa55 | 4984 | enable_advertising(&req); |
24b4f38f | 4985 | } else { |
bba3aa55 | 4986 | disable_advertising(&req); |
24b4f38f | 4987 | } |
4375f103 JH |
4988 | |
4989 | err = hci_req_run(&req, set_advertising_complete); | |
4990 | if (err < 0) | |
4991 | mgmt_pending_remove(cmd); | |
4992 | ||
4993 | unlock: | |
4994 | hci_dev_unlock(hdev); | |
4995 | return err; | |
4996 | } | |
4997 | ||
d13eafce MH |
4998 | static int set_static_address(struct sock *sk, struct hci_dev *hdev, |
4999 | void *data, u16 len) | |
5000 | { | |
5001 | struct mgmt_cp_set_static_address *cp = data; | |
5002 | int err; | |
5003 | ||
5004 | BT_DBG("%s", hdev->name); | |
5005 | ||
62af4443 | 5006 | if (!lmp_le_capable(hdev)) |
a69e8375 JH |
5007 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, |
5008 | MGMT_STATUS_NOT_SUPPORTED); | |
d13eafce MH |
5009 | |
5010 | if (hdev_is_powered(hdev)) | |
a69e8375 JH |
5011 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, |
5012 | MGMT_STATUS_REJECTED); | |
d13eafce MH |
5013 | |
5014 | if (bacmp(&cp->bdaddr, BDADDR_ANY)) { | |
5015 | if (!bacmp(&cp->bdaddr, BDADDR_NONE)) | |
a69e8375 JH |
5016 | return mgmt_cmd_status(sk, hdev->id, |
5017 | MGMT_OP_SET_STATIC_ADDRESS, | |
5018 | MGMT_STATUS_INVALID_PARAMS); | |
d13eafce MH |
5019 | |
5020 | /* Two most significant bits shall be set */ | |
5021 | if ((cp->bdaddr.b[5] & 0xc0) != 0xc0) | |
a69e8375 JH |
5022 | return mgmt_cmd_status(sk, hdev->id, |
5023 | MGMT_OP_SET_STATIC_ADDRESS, | |
5024 | MGMT_STATUS_INVALID_PARAMS); | |
d13eafce MH |
5025 | } |
5026 | ||
5027 | hci_dev_lock(hdev); | |
5028 | ||
5029 | bacpy(&hdev->static_addr, &cp->bdaddr); | |
5030 | ||
93690c22 MH |
5031 | err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev); |
5032 | if (err < 0) | |
5033 | goto unlock; | |
5034 | ||
5035 | err = new_settings(hdev, sk); | |
d13eafce | 5036 | |
93690c22 | 5037 | unlock: |
d13eafce | 5038 | hci_dev_unlock(hdev); |
d13eafce MH |
5039 | return err; |
5040 | } | |
5041 | ||
14b49b9a MH |
5042 | static int set_scan_params(struct sock *sk, struct hci_dev *hdev, |
5043 | void *data, u16 len) | |
5044 | { | |
5045 | struct mgmt_cp_set_scan_params *cp = data; | |
5046 | __u16 interval, window; | |
5047 | int err; | |
5048 | ||
5049 | BT_DBG("%s", hdev->name); | |
5050 | ||
5051 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
5052 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
5053 | MGMT_STATUS_NOT_SUPPORTED); | |
14b49b9a MH |
5054 | |
5055 | interval = __le16_to_cpu(cp->interval); | |
5056 | ||
5057 | if (interval < 0x0004 || interval > 0x4000) | |
a69e8375 JH |
5058 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
5059 | MGMT_STATUS_INVALID_PARAMS); | |
14b49b9a MH |
5060 | |
5061 | window = __le16_to_cpu(cp->window); | |
5062 | ||
5063 | if (window < 0x0004 || window > 0x4000) | |
a69e8375 JH |
5064 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
5065 | MGMT_STATUS_INVALID_PARAMS); | |
14b49b9a | 5066 | |
899e1075 | 5067 | if (window > interval) |
a69e8375 JH |
5068 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
5069 | MGMT_STATUS_INVALID_PARAMS); | |
899e1075 | 5070 | |
14b49b9a MH |
5071 | hci_dev_lock(hdev); |
5072 | ||
5073 | hdev->le_scan_interval = interval; | |
5074 | hdev->le_scan_window = window; | |
5075 | ||
2a1afb5a JH |
5076 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, |
5077 | NULL, 0); | |
14b49b9a | 5078 | |
dd2ef8e2 AG |
5079 | /* If background scan is running, restart it so new parameters are |
5080 | * loaded. | |
5081 | */ | |
d7a5a11d | 5082 | if (hci_dev_test_flag(hdev, HCI_LE_SCAN) && |
dd2ef8e2 AG |
5083 | hdev->discovery.state == DISCOVERY_STOPPED) { |
5084 | struct hci_request req; | |
5085 | ||
5086 | hci_req_init(&req, hdev); | |
5087 | ||
5088 | hci_req_add_le_scan_disable(&req); | |
5089 | hci_req_add_le_passive_scan(&req); | |
5090 | ||
5091 | hci_req_run(&req, NULL); | |
5092 | } | |
5093 | ||
14b49b9a MH |
5094 | hci_dev_unlock(hdev); |
5095 | ||
5096 | return err; | |
5097 | } | |
5098 | ||
1904a853 MH |
5099 | static void fast_connectable_complete(struct hci_dev *hdev, u8 status, |
5100 | u16 opcode) | |
33e38b3e | 5101 | { |
3b0602cd | 5102 | struct mgmt_pending_cmd *cmd; |
33e38b3e JH |
5103 | |
5104 | BT_DBG("status 0x%02x", status); | |
5105 | ||
5106 | hci_dev_lock(hdev); | |
5107 | ||
333ae95d | 5108 | cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev); |
33e38b3e JH |
5109 | if (!cmd) |
5110 | goto unlock; | |
5111 | ||
5112 | if (status) { | |
a69e8375 JH |
5113 | mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
5114 | mgmt_status(status)); | |
33e38b3e | 5115 | } else { |
1a4d3c4b JH |
5116 | struct mgmt_mode *cp = cmd->param; |
5117 | ||
5118 | if (cp->val) | |
a1536da2 | 5119 | hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE); |
1a4d3c4b | 5120 | else |
a358dc11 | 5121 | hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE); |
1a4d3c4b | 5122 | |
33e38b3e JH |
5123 | send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev); |
5124 | new_settings(hdev, cmd->sk); | |
5125 | } | |
5126 | ||
5127 | mgmt_pending_remove(cmd); | |
5128 | ||
5129 | unlock: | |
5130 | hci_dev_unlock(hdev); | |
5131 | } | |
5132 | ||
bdb6d971 | 5133 | static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, |
04124681 | 5134 | void *data, u16 len) |
f6422ec6 | 5135 | { |
650f726d | 5136 | struct mgmt_mode *cp = data; |
3b0602cd | 5137 | struct mgmt_pending_cmd *cmd; |
33e38b3e | 5138 | struct hci_request req; |
f6422ec6 AJ |
5139 | int err; |
5140 | ||
bdb6d971 | 5141 | BT_DBG("%s", hdev->name); |
f6422ec6 | 5142 | |
d7a5a11d | 5143 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) || |
56f87901 | 5144 | hdev->hci_ver < BLUETOOTH_VER_1_2) |
a69e8375 JH |
5145 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
5146 | MGMT_STATUS_NOT_SUPPORTED); | |
33c525c0 | 5147 | |
a7e80f25 | 5148 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
5149 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
5150 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 5151 | |
f6422ec6 AJ |
5152 | hci_dev_lock(hdev); |
5153 | ||
333ae95d | 5154 | if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) { |
a69e8375 JH |
5155 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
5156 | MGMT_STATUS_BUSY); | |
05cbf29f JH |
5157 | goto unlock; |
5158 | } | |
5159 | ||
d7a5a11d | 5160 | if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) { |
1a4d3c4b JH |
5161 | err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, |
5162 | hdev); | |
5163 | goto unlock; | |
5164 | } | |
5165 | ||
406ef2a6 | 5166 | if (!hdev_is_powered(hdev)) { |
ce05d603 | 5167 | hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE); |
406ef2a6 JH |
5168 | err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, |
5169 | hdev); | |
5170 | new_settings(hdev, sk); | |
5171 | goto unlock; | |
5172 | } | |
5173 | ||
33e38b3e JH |
5174 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev, |
5175 | data, len); | |
5176 | if (!cmd) { | |
5177 | err = -ENOMEM; | |
5178 | goto unlock; | |
f6422ec6 AJ |
5179 | } |
5180 | ||
33e38b3e JH |
5181 | hci_req_init(&req, hdev); |
5182 | ||
406d7804 | 5183 | write_fast_connectable(&req, cp->val); |
33e38b3e JH |
5184 | |
5185 | err = hci_req_run(&req, fast_connectable_complete); | |
f6422ec6 | 5186 | if (err < 0) { |
a69e8375 JH |
5187 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
5188 | MGMT_STATUS_FAILED); | |
33e38b3e | 5189 | mgmt_pending_remove(cmd); |
f6422ec6 AJ |
5190 | } |
5191 | ||
33e38b3e | 5192 | unlock: |
f6422ec6 | 5193 | hci_dev_unlock(hdev); |
33e38b3e | 5194 | |
f6422ec6 AJ |
5195 | return err; |
5196 | } | |
5197 | ||
1904a853 | 5198 | static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
0663ca2a | 5199 | { |
3b0602cd | 5200 | struct mgmt_pending_cmd *cmd; |
0663ca2a JH |
5201 | |
5202 | BT_DBG("status 0x%02x", status); | |
5203 | ||
5204 | hci_dev_lock(hdev); | |
5205 | ||
333ae95d | 5206 | cmd = pending_find(MGMT_OP_SET_BREDR, hdev); |
0663ca2a JH |
5207 | if (!cmd) |
5208 | goto unlock; | |
5209 | ||
5210 | if (status) { | |
5211 | u8 mgmt_err = mgmt_status(status); | |
5212 | ||
5213 | /* We need to restore the flag if related HCI commands | |
5214 | * failed. | |
5215 | */ | |
a358dc11 | 5216 | hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED); |
0663ca2a | 5217 | |
a69e8375 | 5218 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); |
0663ca2a JH |
5219 | } else { |
5220 | send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev); | |
5221 | new_settings(hdev, cmd->sk); | |
5222 | } | |
5223 | ||
5224 | mgmt_pending_remove(cmd); | |
5225 | ||
5226 | unlock: | |
5227 | hci_dev_unlock(hdev); | |
5228 | } | |
5229 | ||
5230 | static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
5231 | { | |
5232 | struct mgmt_mode *cp = data; | |
3b0602cd | 5233 | struct mgmt_pending_cmd *cmd; |
0663ca2a JH |
5234 | struct hci_request req; |
5235 | int err; | |
5236 | ||
5237 | BT_DBG("request for %s", hdev->name); | |
5238 | ||
5239 | if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev)) | |
a69e8375 JH |
5240 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
5241 | MGMT_STATUS_NOT_SUPPORTED); | |
0663ca2a | 5242 | |
d7a5a11d | 5243 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
a69e8375 JH |
5244 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
5245 | MGMT_STATUS_REJECTED); | |
0663ca2a JH |
5246 | |
5247 | if (cp->val != 0x00 && cp->val != 0x01) | |
a69e8375 JH |
5248 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
5249 | MGMT_STATUS_INVALID_PARAMS); | |
0663ca2a JH |
5250 | |
5251 | hci_dev_lock(hdev); | |
5252 | ||
d7a5a11d | 5253 | if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
0663ca2a JH |
5254 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); |
5255 | goto unlock; | |
5256 | } | |
5257 | ||
5258 | if (!hdev_is_powered(hdev)) { | |
5259 | if (!cp->val) { | |
a358dc11 MH |
5260 | hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); |
5261 | hci_dev_clear_flag(hdev, HCI_SSP_ENABLED); | |
5262 | hci_dev_clear_flag(hdev, HCI_LINK_SECURITY); | |
5263 | hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE); | |
5264 | hci_dev_clear_flag(hdev, HCI_HS_ENABLED); | |
0663ca2a JH |
5265 | } |
5266 | ||
ce05d603 | 5267 | hci_dev_change_flag(hdev, HCI_BREDR_ENABLED); |
0663ca2a JH |
5268 | |
5269 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); | |
5270 | if (err < 0) | |
5271 | goto unlock; | |
5272 | ||
5273 | err = new_settings(hdev, sk); | |
5274 | goto unlock; | |
5275 | } | |
5276 | ||
5277 | /* Reject disabling when powered on */ | |
5278 | if (!cp->val) { | |
a69e8375 JH |
5279 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
5280 | MGMT_STATUS_REJECTED); | |
0663ca2a | 5281 | goto unlock; |
111e4bcc MH |
5282 | } else { |
5283 | /* When configuring a dual-mode controller to operate | |
5284 | * with LE only and using a static address, then switching | |
5285 | * BR/EDR back on is not allowed. | |
5286 | * | |
5287 | * Dual-mode controllers shall operate with the public | |
5288 | * address as its identity address for BR/EDR and LE. So | |
5289 | * reject the attempt to create an invalid configuration. | |
3a5486e1 MH |
5290 | * |
5291 | * The same restrictions applies when secure connections | |
5292 | * has been enabled. For BR/EDR this is a controller feature | |
5293 | * while for LE it is a host stack feature. This means that | |
5294 | * switching BR/EDR back on when secure connections has been | |
5295 | * enabled is not a supported transaction. | |
111e4bcc | 5296 | */ |
d7a5a11d | 5297 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && |
3a5486e1 | 5298 | (bacmp(&hdev->static_addr, BDADDR_ANY) || |
d7a5a11d | 5299 | hci_dev_test_flag(hdev, HCI_SC_ENABLED))) { |
a69e8375 JH |
5300 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
5301 | MGMT_STATUS_REJECTED); | |
111e4bcc MH |
5302 | goto unlock; |
5303 | } | |
0663ca2a JH |
5304 | } |
5305 | ||
333ae95d | 5306 | if (pending_find(MGMT_OP_SET_BREDR, hdev)) { |
a69e8375 JH |
5307 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
5308 | MGMT_STATUS_BUSY); | |
0663ca2a JH |
5309 | goto unlock; |
5310 | } | |
5311 | ||
5312 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len); | |
5313 | if (!cmd) { | |
5314 | err = -ENOMEM; | |
5315 | goto unlock; | |
5316 | } | |
5317 | ||
5947f4bc | 5318 | /* We need to flip the bit already here so that update_adv_data |
0663ca2a JH |
5319 | * generates the correct flags. |
5320 | */ | |
a1536da2 | 5321 | hci_dev_set_flag(hdev, HCI_BREDR_ENABLED); |
0663ca2a JH |
5322 | |
5323 | hci_req_init(&req, hdev); | |
aa8af46e | 5324 | |
432df05e | 5325 | write_fast_connectable(&req, false); |
1d2dc5b7 | 5326 | __hci_update_page_scan(&req); |
aa8af46e | 5327 | |
f14d8f64 MH |
5328 | /* Since only the advertising data flags will change, there |
5329 | * is no need to update the scan response data. | |
5330 | */ | |
5947f4bc | 5331 | update_adv_data(&req); |
aa8af46e | 5332 | |
0663ca2a JH |
5333 | err = hci_req_run(&req, set_bredr_complete); |
5334 | if (err < 0) | |
5335 | mgmt_pending_remove(cmd); | |
5336 | ||
5337 | unlock: | |
5338 | hci_dev_unlock(hdev); | |
5339 | return err; | |
5340 | } | |
5341 | ||
a1443f5a JH |
5342 | static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
5343 | { | |
3b0602cd | 5344 | struct mgmt_pending_cmd *cmd; |
a1443f5a JH |
5345 | struct mgmt_mode *cp; |
5346 | ||
5347 | BT_DBG("%s status %u", hdev->name, status); | |
5348 | ||
5349 | hci_dev_lock(hdev); | |
5350 | ||
333ae95d | 5351 | cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev); |
a1443f5a JH |
5352 | if (!cmd) |
5353 | goto unlock; | |
5354 | ||
5355 | if (status) { | |
a69e8375 JH |
5356 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, |
5357 | mgmt_status(status)); | |
a1443f5a JH |
5358 | goto remove; |
5359 | } | |
5360 | ||
5361 | cp = cmd->param; | |
5362 | ||
5363 | switch (cp->val) { | |
5364 | case 0x00: | |
a358dc11 MH |
5365 | hci_dev_clear_flag(hdev, HCI_SC_ENABLED); |
5366 | hci_dev_clear_flag(hdev, HCI_SC_ONLY); | |
a1443f5a JH |
5367 | break; |
5368 | case 0x01: | |
a1536da2 | 5369 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
a358dc11 | 5370 | hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
a1443f5a JH |
5371 | break; |
5372 | case 0x02: | |
a1536da2 MH |
5373 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
5374 | hci_dev_set_flag(hdev, HCI_SC_ONLY); | |
a1443f5a JH |
5375 | break; |
5376 | } | |
5377 | ||
5378 | send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev); | |
5379 | new_settings(hdev, cmd->sk); | |
5380 | ||
5381 | remove: | |
5382 | mgmt_pending_remove(cmd); | |
5383 | unlock: | |
5384 | hci_dev_unlock(hdev); | |
5385 | } | |
5386 | ||
eac83dc6 MH |
5387 | static int set_secure_conn(struct sock *sk, struct hci_dev *hdev, |
5388 | void *data, u16 len) | |
5389 | { | |
5390 | struct mgmt_mode *cp = data; | |
3b0602cd | 5391 | struct mgmt_pending_cmd *cmd; |
a1443f5a | 5392 | struct hci_request req; |
a3209694 | 5393 | u8 val; |
eac83dc6 MH |
5394 | int err; |
5395 | ||
5396 | BT_DBG("request for %s", hdev->name); | |
5397 | ||
05b3c3e7 | 5398 | if (!lmp_sc_capable(hdev) && |
d7a5a11d | 5399 | !hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
a69e8375 JH |
5400 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
5401 | MGMT_STATUS_NOT_SUPPORTED); | |
eac83dc6 | 5402 | |
d7a5a11d | 5403 | if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && |
59200286 | 5404 | lmp_sc_capable(hdev) && |
d7a5a11d | 5405 | !hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
a69e8375 JH |
5406 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
5407 | MGMT_STATUS_REJECTED); | |
ed93ec69 | 5408 | |
0ab04a9c | 5409 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
a69e8375 | 5410 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
eac83dc6 MH |
5411 | MGMT_STATUS_INVALID_PARAMS); |
5412 | ||
5413 | hci_dev_lock(hdev); | |
5414 | ||
05b3c3e7 | 5415 | if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) || |
d7a5a11d | 5416 | !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
eac83dc6 MH |
5417 | bool changed; |
5418 | ||
0ab04a9c | 5419 | if (cp->val) { |
238be788 MH |
5420 | changed = !hci_dev_test_and_set_flag(hdev, |
5421 | HCI_SC_ENABLED); | |
0ab04a9c | 5422 | if (cp->val == 0x02) |
a1536da2 | 5423 | hci_dev_set_flag(hdev, HCI_SC_ONLY); |
0ab04a9c | 5424 | else |
a358dc11 | 5425 | hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
0ab04a9c | 5426 | } else { |
a69d8927 MH |
5427 | changed = hci_dev_test_and_clear_flag(hdev, |
5428 | HCI_SC_ENABLED); | |
a358dc11 | 5429 | hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
0ab04a9c | 5430 | } |
eac83dc6 MH |
5431 | |
5432 | err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); | |
5433 | if (err < 0) | |
5434 | goto failed; | |
5435 | ||
5436 | if (changed) | |
5437 | err = new_settings(hdev, sk); | |
5438 | ||
5439 | goto failed; | |
5440 | } | |
5441 | ||
333ae95d | 5442 | if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) { |
a69e8375 JH |
5443 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
5444 | MGMT_STATUS_BUSY); | |
eac83dc6 MH |
5445 | goto failed; |
5446 | } | |
5447 | ||
0ab04a9c MH |
5448 | val = !!cp->val; |
5449 | ||
d7a5a11d MH |
5450 | if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) && |
5451 | (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) { | |
eac83dc6 MH |
5452 | err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); |
5453 | goto failed; | |
5454 | } | |
5455 | ||
5456 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len); | |
5457 | if (!cmd) { | |
5458 | err = -ENOMEM; | |
5459 | goto failed; | |
5460 | } | |
5461 | ||
a1443f5a JH |
5462 | hci_req_init(&req, hdev); |
5463 | hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val); | |
5464 | err = hci_req_run(&req, sc_enable_complete); | |
eac83dc6 MH |
5465 | if (err < 0) { |
5466 | mgmt_pending_remove(cmd); | |
5467 | goto failed; | |
5468 | } | |
5469 | ||
5470 | failed: | |
5471 | hci_dev_unlock(hdev); | |
5472 | return err; | |
5473 | } | |
5474 | ||
4e39ac81 MH |
5475 | static int set_debug_keys(struct sock *sk, struct hci_dev *hdev, |
5476 | void *data, u16 len) | |
5477 | { | |
5478 | struct mgmt_mode *cp = data; | |
b9710979 | 5479 | bool changed, use_changed; |
4e39ac81 MH |
5480 | int err; |
5481 | ||
5482 | BT_DBG("request for %s", hdev->name); | |
5483 | ||
b9710979 | 5484 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
a69e8375 JH |
5485 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS, |
5486 | MGMT_STATUS_INVALID_PARAMS); | |
4e39ac81 MH |
5487 | |
5488 | hci_dev_lock(hdev); | |
5489 | ||
5490 | if (cp->val) | |
238be788 | 5491 | changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS); |
4e39ac81 | 5492 | else |
a69d8927 MH |
5493 | changed = hci_dev_test_and_clear_flag(hdev, |
5494 | HCI_KEEP_DEBUG_KEYS); | |
4e39ac81 | 5495 | |
b9710979 | 5496 | if (cp->val == 0x02) |
238be788 MH |
5497 | use_changed = !hci_dev_test_and_set_flag(hdev, |
5498 | HCI_USE_DEBUG_KEYS); | |
b9710979 | 5499 | else |
a69d8927 MH |
5500 | use_changed = hci_dev_test_and_clear_flag(hdev, |
5501 | HCI_USE_DEBUG_KEYS); | |
b9710979 JH |
5502 | |
5503 | if (hdev_is_powered(hdev) && use_changed && | |
d7a5a11d | 5504 | hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
b9710979 JH |
5505 | u8 mode = (cp->val == 0x02) ? 0x01 : 0x00; |
5506 | hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, | |
5507 | sizeof(mode), &mode); | |
5508 | } | |
5509 | ||
4e39ac81 MH |
5510 | err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev); |
5511 | if (err < 0) | |
5512 | goto unlock; | |
5513 | ||
5514 | if (changed) | |
5515 | err = new_settings(hdev, sk); | |
5516 | ||
5517 | unlock: | |
5518 | hci_dev_unlock(hdev); | |
5519 | return err; | |
5520 | } | |
5521 | ||
62b04cd1 JH |
5522 | static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data, |
5523 | u16 len) | |
5524 | { | |
5525 | struct mgmt_cp_set_privacy *cp = cp_data; | |
5526 | bool changed; | |
5527 | int err; | |
5528 | ||
5529 | BT_DBG("request for %s", hdev->name); | |
5530 | ||
5531 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
5532 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, |
5533 | MGMT_STATUS_NOT_SUPPORTED); | |
62b04cd1 JH |
5534 | |
5535 | if (cp->privacy != 0x00 && cp->privacy != 0x01) | |
a69e8375 JH |
5536 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, |
5537 | MGMT_STATUS_INVALID_PARAMS); | |
62b04cd1 JH |
5538 | |
5539 | if (hdev_is_powered(hdev)) | |
a69e8375 JH |
5540 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, |
5541 | MGMT_STATUS_REJECTED); | |
62b04cd1 JH |
5542 | |
5543 | hci_dev_lock(hdev); | |
5544 | ||
c21c0ea0 JH |
5545 | /* If user space supports this command it is also expected to |
5546 | * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag. | |
5547 | */ | |
a1536da2 | 5548 | hci_dev_set_flag(hdev, HCI_RPA_RESOLVING); |
c21c0ea0 | 5549 | |
62b04cd1 | 5550 | if (cp->privacy) { |
238be788 | 5551 | changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY); |
62b04cd1 | 5552 | memcpy(hdev->irk, cp->irk, sizeof(hdev->irk)); |
a1536da2 | 5553 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
62b04cd1 | 5554 | } else { |
a69d8927 | 5555 | changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY); |
62b04cd1 | 5556 | memset(hdev->irk, 0, sizeof(hdev->irk)); |
a358dc11 | 5557 | hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED); |
62b04cd1 JH |
5558 | } |
5559 | ||
5560 | err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev); | |
5561 | if (err < 0) | |
5562 | goto unlock; | |
5563 | ||
5564 | if (changed) | |
5565 | err = new_settings(hdev, sk); | |
5566 | ||
5567 | unlock: | |
5568 | hci_dev_unlock(hdev); | |
5569 | return err; | |
5570 | } | |
5571 | ||
41edf160 JH |
5572 | static bool irk_is_valid(struct mgmt_irk_info *irk) |
5573 | { | |
5574 | switch (irk->addr.type) { | |
5575 | case BDADDR_LE_PUBLIC: | |
5576 | return true; | |
5577 | ||
5578 | case BDADDR_LE_RANDOM: | |
5579 | /* Two most significant bits shall be set */ | |
5580 | if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0) | |
5581 | return false; | |
5582 | return true; | |
5583 | } | |
5584 | ||
5585 | return false; | |
5586 | } | |
5587 | ||
5588 | static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data, | |
5589 | u16 len) | |
5590 | { | |
5591 | struct mgmt_cp_load_irks *cp = cp_data; | |
ba1d6936 JH |
5592 | const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) / |
5593 | sizeof(struct mgmt_irk_info)); | |
41edf160 JH |
5594 | u16 irk_count, expected_len; |
5595 | int i, err; | |
5596 | ||
5597 | BT_DBG("request for %s", hdev->name); | |
5598 | ||
5599 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
5600 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
5601 | MGMT_STATUS_NOT_SUPPORTED); | |
41edf160 JH |
5602 | |
5603 | irk_count = __le16_to_cpu(cp->irk_count); | |
ba1d6936 JH |
5604 | if (irk_count > max_irk_count) { |
5605 | BT_ERR("load_irks: too big irk_count value %u", irk_count); | |
a69e8375 JH |
5606 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
5607 | MGMT_STATUS_INVALID_PARAMS); | |
ba1d6936 | 5608 | } |
41edf160 JH |
5609 | |
5610 | expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info); | |
5611 | if (expected_len != len) { | |
5612 | BT_ERR("load_irks: expected %u bytes, got %u bytes", | |
2606ecbc | 5613 | expected_len, len); |
a69e8375 JH |
5614 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
5615 | MGMT_STATUS_INVALID_PARAMS); | |
41edf160 JH |
5616 | } |
5617 | ||
5618 | BT_DBG("%s irk_count %u", hdev->name, irk_count); | |
5619 | ||
5620 | for (i = 0; i < irk_count; i++) { | |
5621 | struct mgmt_irk_info *key = &cp->irks[i]; | |
5622 | ||
5623 | if (!irk_is_valid(key)) | |
a69e8375 JH |
5624 | return mgmt_cmd_status(sk, hdev->id, |
5625 | MGMT_OP_LOAD_IRKS, | |
5626 | MGMT_STATUS_INVALID_PARAMS); | |
41edf160 JH |
5627 | } |
5628 | ||
5629 | hci_dev_lock(hdev); | |
5630 | ||
5631 | hci_smp_irks_clear(hdev); | |
5632 | ||
5633 | for (i = 0; i < irk_count; i++) { | |
5634 | struct mgmt_irk_info *irk = &cp->irks[i]; | |
41edf160 | 5635 | |
85813a7e JH |
5636 | hci_add_irk(hdev, &irk->addr.bdaddr, |
5637 | le_addr_type(irk->addr.type), irk->val, | |
41edf160 JH |
5638 | BDADDR_ANY); |
5639 | } | |
5640 | ||
a1536da2 | 5641 | hci_dev_set_flag(hdev, HCI_RPA_RESOLVING); |
41edf160 | 5642 | |
2a1afb5a | 5643 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0); |
41edf160 JH |
5644 | |
5645 | hci_dev_unlock(hdev); | |
5646 | ||
5647 | return err; | |
5648 | } | |
5649 | ||
3f706b72 JH |
5650 | static bool ltk_is_valid(struct mgmt_ltk_info *key) |
5651 | { | |
5652 | if (key->master != 0x00 && key->master != 0x01) | |
5653 | return false; | |
490cb0b3 MH |
5654 | |
5655 | switch (key->addr.type) { | |
5656 | case BDADDR_LE_PUBLIC: | |
5657 | return true; | |
5658 | ||
5659 | case BDADDR_LE_RANDOM: | |
5660 | /* Two most significant bits shall be set */ | |
5661 | if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0) | |
5662 | return false; | |
5663 | return true; | |
5664 | } | |
5665 | ||
5666 | return false; | |
3f706b72 JH |
5667 | } |
5668 | ||
bdb6d971 | 5669 | static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, |
04124681 | 5670 | void *cp_data, u16 len) |
346af67b | 5671 | { |
346af67b | 5672 | struct mgmt_cp_load_long_term_keys *cp = cp_data; |
ba1d6936 JH |
5673 | const u16 max_key_count = ((U16_MAX - sizeof(*cp)) / |
5674 | sizeof(struct mgmt_ltk_info)); | |
346af67b | 5675 | u16 key_count, expected_len; |
715a5bf2 | 5676 | int i, err; |
346af67b | 5677 | |
cf99ba13 MH |
5678 | BT_DBG("request for %s", hdev->name); |
5679 | ||
5680 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
5681 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
5682 | MGMT_STATUS_NOT_SUPPORTED); | |
cf99ba13 | 5683 | |
1f350c87 | 5684 | key_count = __le16_to_cpu(cp->key_count); |
ba1d6936 JH |
5685 | if (key_count > max_key_count) { |
5686 | BT_ERR("load_ltks: too big key_count value %u", key_count); | |
a69e8375 JH |
5687 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
5688 | MGMT_STATUS_INVALID_PARAMS); | |
ba1d6936 | 5689 | } |
346af67b VCG |
5690 | |
5691 | expected_len = sizeof(*cp) + key_count * | |
5692 | sizeof(struct mgmt_ltk_info); | |
5693 | if (expected_len != len) { | |
5694 | BT_ERR("load_keys: expected %u bytes, got %u bytes", | |
2606ecbc | 5695 | expected_len, len); |
a69e8375 JH |
5696 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
5697 | MGMT_STATUS_INVALID_PARAMS); | |
346af67b VCG |
5698 | } |
5699 | ||
bdb6d971 | 5700 | BT_DBG("%s key_count %u", hdev->name, key_count); |
346af67b | 5701 | |
54ad6d8a JH |
5702 | for (i = 0; i < key_count; i++) { |
5703 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
5704 | ||
3f706b72 | 5705 | if (!ltk_is_valid(key)) |
a69e8375 JH |
5706 | return mgmt_cmd_status(sk, hdev->id, |
5707 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
5708 | MGMT_STATUS_INVALID_PARAMS); | |
54ad6d8a JH |
5709 | } |
5710 | ||
346af67b VCG |
5711 | hci_dev_lock(hdev); |
5712 | ||
5713 | hci_smp_ltks_clear(hdev); | |
5714 | ||
5715 | for (i = 0; i < key_count; i++) { | |
5716 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
85813a7e | 5717 | u8 type, authenticated; |
346af67b | 5718 | |
61b43357 JH |
5719 | switch (key->type) { |
5720 | case MGMT_LTK_UNAUTHENTICATED: | |
d7b25450 | 5721 | authenticated = 0x00; |
23fb8de3 | 5722 | type = key->master ? SMP_LTK : SMP_LTK_SLAVE; |
61b43357 JH |
5723 | break; |
5724 | case MGMT_LTK_AUTHENTICATED: | |
d7b25450 | 5725 | authenticated = 0x01; |
23fb8de3 JH |
5726 | type = key->master ? SMP_LTK : SMP_LTK_SLAVE; |
5727 | break; | |
5728 | case MGMT_LTK_P256_UNAUTH: | |
5729 | authenticated = 0x00; | |
5730 | type = SMP_LTK_P256; | |
61b43357 | 5731 | break; |
23fb8de3 JH |
5732 | case MGMT_LTK_P256_AUTH: |
5733 | authenticated = 0x01; | |
5734 | type = SMP_LTK_P256; | |
61b43357 | 5735 | break; |
23fb8de3 JH |
5736 | case MGMT_LTK_P256_DEBUG: |
5737 | authenticated = 0x00; | |
5738 | type = SMP_LTK_P256_DEBUG; | |
61b43357 JH |
5739 | default: |
5740 | continue; | |
5741 | } | |
d7b25450 | 5742 | |
85813a7e JH |
5743 | hci_add_ltk(hdev, &key->addr.bdaddr, |
5744 | le_addr_type(key->addr.type), type, authenticated, | |
5745 | key->val, key->enc_size, key->ediv, key->rand); | |
346af67b VCG |
5746 | } |
5747 | ||
2a1afb5a | 5748 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0, |
715a5bf2 JH |
5749 | NULL, 0); |
5750 | ||
346af67b | 5751 | hci_dev_unlock(hdev); |
346af67b | 5752 | |
715a5bf2 | 5753 | return err; |
346af67b VCG |
5754 | } |
5755 | ||
3b0602cd | 5756 | static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
dd983808 | 5757 | { |
dd983808 | 5758 | struct hci_conn *conn = cmd->user_data; |
9981bdb0 | 5759 | struct mgmt_rp_get_conn_info rp; |
9df74653 | 5760 | int err; |
dd983808 | 5761 | |
9981bdb0 | 5762 | memcpy(&rp.addr, cmd->param, sizeof(rp.addr)); |
dd983808 | 5763 | |
9981bdb0 | 5764 | if (status == MGMT_STATUS_SUCCESS) { |
dd983808 | 5765 | rp.rssi = conn->rssi; |
9981bdb0 JH |
5766 | rp.tx_power = conn->tx_power; |
5767 | rp.max_tx_power = conn->max_tx_power; | |
5768 | } else { | |
5769 | rp.rssi = HCI_RSSI_INVALID; | |
5770 | rp.tx_power = HCI_TX_POWER_INVALID; | |
5771 | rp.max_tx_power = HCI_TX_POWER_INVALID; | |
dd983808 AK |
5772 | } |
5773 | ||
2a1afb5a JH |
5774 | err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO, |
5775 | status, &rp, sizeof(rp)); | |
dd983808 AK |
5776 | |
5777 | hci_conn_drop(conn); | |
f8aaf9b6 | 5778 | hci_conn_put(conn); |
9df74653 JH |
5779 | |
5780 | return err; | |
dd983808 AK |
5781 | } |
5782 | ||
1904a853 MH |
5783 | static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status, |
5784 | u16 opcode) | |
dd983808 AK |
5785 | { |
5786 | struct hci_cp_read_rssi *cp; | |
3b0602cd | 5787 | struct mgmt_pending_cmd *cmd; |
dd983808 | 5788 | struct hci_conn *conn; |
dd983808 | 5789 | u16 handle; |
9981bdb0 | 5790 | u8 status; |
dd983808 | 5791 | |
9981bdb0 | 5792 | BT_DBG("status 0x%02x", hci_status); |
dd983808 AK |
5793 | |
5794 | hci_dev_lock(hdev); | |
5795 | ||
dd983808 AK |
5796 | /* Commands sent in request are either Read RSSI or Read Transmit Power |
5797 | * Level so we check which one was last sent to retrieve connection | |
5798 | * handle. Both commands have handle as first parameter so it's safe to | |
5799 | * cast data on the same command struct. | |
5800 | * | |
5801 | * First command sent is always Read RSSI and we fail only if it fails. | |
5802 | * In other case we simply override error to indicate success as we | |
5803 | * already remembered if TX power value is actually valid. | |
5804 | */ | |
5805 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI); | |
5806 | if (!cp) { | |
5807 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
9981bdb0 JH |
5808 | status = MGMT_STATUS_SUCCESS; |
5809 | } else { | |
5810 | status = mgmt_status(hci_status); | |
dd983808 AK |
5811 | } |
5812 | ||
5813 | if (!cp) { | |
9981bdb0 | 5814 | BT_ERR("invalid sent_cmd in conn_info response"); |
dd983808 AK |
5815 | goto unlock; |
5816 | } | |
5817 | ||
5818 | handle = __le16_to_cpu(cp->handle); | |
5819 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
5820 | if (!conn) { | |
9981bdb0 | 5821 | BT_ERR("unknown handle (%d) in conn_info response", handle); |
dd983808 AK |
5822 | goto unlock; |
5823 | } | |
5824 | ||
333ae95d | 5825 | cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn); |
9981bdb0 JH |
5826 | if (!cmd) |
5827 | goto unlock; | |
dd983808 | 5828 | |
9981bdb0 JH |
5829 | cmd->cmd_complete(cmd, status); |
5830 | mgmt_pending_remove(cmd); | |
dd983808 AK |
5831 | |
5832 | unlock: | |
5833 | hci_dev_unlock(hdev); | |
5834 | } | |
5835 | ||
5836 | static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data, | |
5837 | u16 len) | |
5838 | { | |
5839 | struct mgmt_cp_get_conn_info *cp = data; | |
5840 | struct mgmt_rp_get_conn_info rp; | |
5841 | struct hci_conn *conn; | |
5842 | unsigned long conn_info_age; | |
5843 | int err = 0; | |
5844 | ||
5845 | BT_DBG("%s", hdev->name); | |
5846 | ||
5847 | memset(&rp, 0, sizeof(rp)); | |
5848 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
5849 | rp.addr.type = cp->addr.type; | |
5850 | ||
5851 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
2a1afb5a JH |
5852 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5853 | MGMT_STATUS_INVALID_PARAMS, | |
5854 | &rp, sizeof(rp)); | |
dd983808 AK |
5855 | |
5856 | hci_dev_lock(hdev); | |
5857 | ||
5858 | if (!hdev_is_powered(hdev)) { | |
2a1afb5a JH |
5859 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5860 | MGMT_STATUS_NOT_POWERED, &rp, | |
5861 | sizeof(rp)); | |
dd983808 AK |
5862 | goto unlock; |
5863 | } | |
5864 | ||
5865 | if (cp->addr.type == BDADDR_BREDR) | |
5866 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
5867 | &cp->addr.bdaddr); | |
5868 | else | |
5869 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); | |
5870 | ||
5871 | if (!conn || conn->state != BT_CONNECTED) { | |
2a1afb5a JH |
5872 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5873 | MGMT_STATUS_NOT_CONNECTED, &rp, | |
5874 | sizeof(rp)); | |
dd983808 AK |
5875 | goto unlock; |
5876 | } | |
5877 | ||
333ae95d | 5878 | if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) { |
2a1afb5a JH |
5879 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5880 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
9981bdb0 JH |
5881 | goto unlock; |
5882 | } | |
5883 | ||
dd983808 AK |
5884 | /* To avoid client trying to guess when to poll again for information we |
5885 | * calculate conn info age as random value between min/max set in hdev. | |
5886 | */ | |
5887 | conn_info_age = hdev->conn_info_min_age + | |
5888 | prandom_u32_max(hdev->conn_info_max_age - | |
5889 | hdev->conn_info_min_age); | |
5890 | ||
5891 | /* Query controller to refresh cached values if they are too old or were | |
5892 | * never read. | |
5893 | */ | |
f4e2dd53 AK |
5894 | if (time_after(jiffies, conn->conn_info_timestamp + |
5895 | msecs_to_jiffies(conn_info_age)) || | |
dd983808 AK |
5896 | !conn->conn_info_timestamp) { |
5897 | struct hci_request req; | |
5898 | struct hci_cp_read_tx_power req_txp_cp; | |
5899 | struct hci_cp_read_rssi req_rssi_cp; | |
3b0602cd | 5900 | struct mgmt_pending_cmd *cmd; |
dd983808 AK |
5901 | |
5902 | hci_req_init(&req, hdev); | |
5903 | req_rssi_cp.handle = cpu_to_le16(conn->handle); | |
5904 | hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp), | |
5905 | &req_rssi_cp); | |
5906 | ||
f7faab0c AK |
5907 | /* For LE links TX power does not change thus we don't need to |
5908 | * query for it once value is known. | |
5909 | */ | |
5910 | if (!bdaddr_type_is_le(cp->addr.type) || | |
5911 | conn->tx_power == HCI_TX_POWER_INVALID) { | |
5912 | req_txp_cp.handle = cpu_to_le16(conn->handle); | |
5913 | req_txp_cp.type = 0x00; | |
5914 | hci_req_add(&req, HCI_OP_READ_TX_POWER, | |
5915 | sizeof(req_txp_cp), &req_txp_cp); | |
5916 | } | |
dd983808 | 5917 | |
eed5daf3 AK |
5918 | /* Max TX power needs to be read only once per connection */ |
5919 | if (conn->max_tx_power == HCI_TX_POWER_INVALID) { | |
5920 | req_txp_cp.handle = cpu_to_le16(conn->handle); | |
5921 | req_txp_cp.type = 0x01; | |
5922 | hci_req_add(&req, HCI_OP_READ_TX_POWER, | |
5923 | sizeof(req_txp_cp), &req_txp_cp); | |
5924 | } | |
5925 | ||
dd983808 AK |
5926 | err = hci_req_run(&req, conn_info_refresh_complete); |
5927 | if (err < 0) | |
5928 | goto unlock; | |
5929 | ||
5930 | cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev, | |
5931 | data, len); | |
5932 | if (!cmd) { | |
5933 | err = -ENOMEM; | |
5934 | goto unlock; | |
5935 | } | |
5936 | ||
5937 | hci_conn_hold(conn); | |
f8aaf9b6 | 5938 | cmd->user_data = hci_conn_get(conn); |
9981bdb0 | 5939 | cmd->cmd_complete = conn_info_cmd_complete; |
dd983808 AK |
5940 | |
5941 | conn->conn_info_timestamp = jiffies; | |
5942 | } else { | |
5943 | /* Cache is valid, just reply with values cached in hci_conn */ | |
5944 | rp.rssi = conn->rssi; | |
5945 | rp.tx_power = conn->tx_power; | |
eed5daf3 | 5946 | rp.max_tx_power = conn->max_tx_power; |
dd983808 | 5947 | |
2a1afb5a JH |
5948 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5949 | MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); | |
dd983808 AK |
5950 | } |
5951 | ||
5952 | unlock: | |
5953 | hci_dev_unlock(hdev); | |
5954 | return err; | |
5955 | } | |
5956 | ||
3b0602cd | 5957 | static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
95868426 | 5958 | { |
69487371 | 5959 | struct hci_conn *conn = cmd->user_data; |
95868426 | 5960 | struct mgmt_rp_get_clock_info rp; |
69487371 | 5961 | struct hci_dev *hdev; |
9df74653 | 5962 | int err; |
69487371 JH |
5963 | |
5964 | memset(&rp, 0, sizeof(rp)); | |
5965 | memcpy(&rp.addr, &cmd->param, sizeof(rp.addr)); | |
5966 | ||
5967 | if (status) | |
5968 | goto complete; | |
5969 | ||
5970 | hdev = hci_dev_get(cmd->index); | |
5971 | if (hdev) { | |
5972 | rp.local_clock = cpu_to_le32(hdev->clock); | |
5973 | hci_dev_put(hdev); | |
5974 | } | |
5975 | ||
5976 | if (conn) { | |
5977 | rp.piconet_clock = cpu_to_le32(conn->clock); | |
5978 | rp.accuracy = cpu_to_le16(conn->clock_accuracy); | |
5979 | } | |
5980 | ||
5981 | complete: | |
2a1afb5a JH |
5982 | err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp, |
5983 | sizeof(rp)); | |
69487371 JH |
5984 | |
5985 | if (conn) { | |
5986 | hci_conn_drop(conn); | |
5987 | hci_conn_put(conn); | |
5988 | } | |
9df74653 JH |
5989 | |
5990 | return err; | |
69487371 JH |
5991 | } |
5992 | ||
1904a853 | 5993 | static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
69487371 | 5994 | { |
95868426 | 5995 | struct hci_cp_read_clock *hci_cp; |
3b0602cd | 5996 | struct mgmt_pending_cmd *cmd; |
95868426 JH |
5997 | struct hci_conn *conn; |
5998 | ||
5999 | BT_DBG("%s status %u", hdev->name, status); | |
6000 | ||
6001 | hci_dev_lock(hdev); | |
6002 | ||
6003 | hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
6004 | if (!hci_cp) | |
6005 | goto unlock; | |
6006 | ||
6007 | if (hci_cp->which) { | |
6008 | u16 handle = __le16_to_cpu(hci_cp->handle); | |
6009 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
6010 | } else { | |
6011 | conn = NULL; | |
6012 | } | |
6013 | ||
333ae95d | 6014 | cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn); |
95868426 JH |
6015 | if (!cmd) |
6016 | goto unlock; | |
6017 | ||
69487371 | 6018 | cmd->cmd_complete(cmd, mgmt_status(status)); |
95868426 | 6019 | mgmt_pending_remove(cmd); |
95868426 JH |
6020 | |
6021 | unlock: | |
6022 | hci_dev_unlock(hdev); | |
6023 | } | |
6024 | ||
6025 | static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data, | |
6026 | u16 len) | |
6027 | { | |
6028 | struct mgmt_cp_get_clock_info *cp = data; | |
6029 | struct mgmt_rp_get_clock_info rp; | |
6030 | struct hci_cp_read_clock hci_cp; | |
3b0602cd | 6031 | struct mgmt_pending_cmd *cmd; |
95868426 JH |
6032 | struct hci_request req; |
6033 | struct hci_conn *conn; | |
6034 | int err; | |
6035 | ||
6036 | BT_DBG("%s", hdev->name); | |
6037 | ||
6038 | memset(&rp, 0, sizeof(rp)); | |
6039 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
6040 | rp.addr.type = cp->addr.type; | |
6041 | ||
6042 | if (cp->addr.type != BDADDR_BREDR) | |
2a1afb5a JH |
6043 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, |
6044 | MGMT_STATUS_INVALID_PARAMS, | |
6045 | &rp, sizeof(rp)); | |
95868426 JH |
6046 | |
6047 | hci_dev_lock(hdev); | |
6048 | ||
6049 | if (!hdev_is_powered(hdev)) { | |
2a1afb5a JH |
6050 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, |
6051 | MGMT_STATUS_NOT_POWERED, &rp, | |
6052 | sizeof(rp)); | |
95868426 JH |
6053 | goto unlock; |
6054 | } | |
6055 | ||
6056 | if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { | |
6057 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
6058 | &cp->addr.bdaddr); | |
6059 | if (!conn || conn->state != BT_CONNECTED) { | |
2a1afb5a JH |
6060 | err = mgmt_cmd_complete(sk, hdev->id, |
6061 | MGMT_OP_GET_CLOCK_INFO, | |
6062 | MGMT_STATUS_NOT_CONNECTED, | |
6063 | &rp, sizeof(rp)); | |
95868426 JH |
6064 | goto unlock; |
6065 | } | |
6066 | } else { | |
6067 | conn = NULL; | |
6068 | } | |
6069 | ||
6070 | cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len); | |
6071 | if (!cmd) { | |
6072 | err = -ENOMEM; | |
6073 | goto unlock; | |
6074 | } | |
6075 | ||
69487371 JH |
6076 | cmd->cmd_complete = clock_info_cmd_complete; |
6077 | ||
95868426 JH |
6078 | hci_req_init(&req, hdev); |
6079 | ||
6080 | memset(&hci_cp, 0, sizeof(hci_cp)); | |
6081 | hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); | |
6082 | ||
6083 | if (conn) { | |
6084 | hci_conn_hold(conn); | |
f8aaf9b6 | 6085 | cmd->user_data = hci_conn_get(conn); |
95868426 JH |
6086 | |
6087 | hci_cp.handle = cpu_to_le16(conn->handle); | |
6088 | hci_cp.which = 0x01; /* Piconet clock */ | |
6089 | hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); | |
6090 | } | |
6091 | ||
6092 | err = hci_req_run(&req, get_clock_info_complete); | |
6093 | if (err < 0) | |
6094 | mgmt_pending_remove(cmd); | |
6095 | ||
6096 | unlock: | |
6097 | hci_dev_unlock(hdev); | |
6098 | return err; | |
6099 | } | |
6100 | ||
5a154e6f JH |
6101 | static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type) |
6102 | { | |
6103 | struct hci_conn *conn; | |
6104 | ||
6105 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr); | |
6106 | if (!conn) | |
6107 | return false; | |
6108 | ||
6109 | if (conn->dst_type != type) | |
6110 | return false; | |
6111 | ||
6112 | if (conn->state != BT_CONNECTED) | |
6113 | return false; | |
6114 | ||
6115 | return true; | |
6116 | } | |
6117 | ||
6118 | /* This function requires the caller holds hdev->lock */ | |
51d7a94d | 6119 | static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr, |
5a154e6f JH |
6120 | u8 addr_type, u8 auto_connect) |
6121 | { | |
5a154e6f JH |
6122 | struct hci_conn_params *params; |
6123 | ||
6124 | params = hci_conn_params_add(hdev, addr, addr_type); | |
6125 | if (!params) | |
6126 | return -EIO; | |
6127 | ||
6128 | if (params->auto_connect == auto_connect) | |
6129 | return 0; | |
6130 | ||
6131 | list_del_init(¶ms->action); | |
6132 | ||
6133 | switch (auto_connect) { | |
6134 | case HCI_AUTO_CONN_DISABLED: | |
6135 | case HCI_AUTO_CONN_LINK_LOSS: | |
28a667c9 JP |
6136 | /* If auto connect is being disabled when we're trying to |
6137 | * connect to device, keep connecting. | |
6138 | */ | |
6139 | if (params->explicit_connect) | |
6140 | list_add(¶ms->action, &hdev->pend_le_conns); | |
5a154e6f JH |
6141 | break; |
6142 | case HCI_AUTO_CONN_REPORT: | |
49c50922 JH |
6143 | if (params->explicit_connect) |
6144 | list_add(¶ms->action, &hdev->pend_le_conns); | |
6145 | else | |
6146 | list_add(¶ms->action, &hdev->pend_le_reports); | |
5a154e6f JH |
6147 | break; |
6148 | case HCI_AUTO_CONN_DIRECT: | |
6149 | case HCI_AUTO_CONN_ALWAYS: | |
51d7a94d | 6150 | if (!is_connected(hdev, addr, addr_type)) |
5a154e6f | 6151 | list_add(¶ms->action, &hdev->pend_le_conns); |
5a154e6f JH |
6152 | break; |
6153 | } | |
6154 | ||
6155 | params->auto_connect = auto_connect; | |
6156 | ||
6157 | BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type, | |
6158 | auto_connect); | |
6159 | ||
6160 | return 0; | |
6161 | } | |
6162 | ||
8afef092 MH |
6163 | static void device_added(struct sock *sk, struct hci_dev *hdev, |
6164 | bdaddr_t *bdaddr, u8 type, u8 action) | |
6165 | { | |
6166 | struct mgmt_ev_device_added ev; | |
6167 | ||
6168 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6169 | ev.addr.type = type; | |
6170 | ev.action = action; | |
6171 | ||
6172 | mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk); | |
6173 | } | |
6174 | ||
2faade53 MH |
6175 | static int add_device(struct sock *sk, struct hci_dev *hdev, |
6176 | void *data, u16 len) | |
6177 | { | |
6178 | struct mgmt_cp_add_device *cp = data; | |
3b0602cd | 6179 | struct mgmt_pending_cmd *cmd; |
5a154e6f | 6180 | struct hci_request req; |
2faade53 MH |
6181 | u8 auto_conn, addr_type; |
6182 | int err; | |
6183 | ||
6184 | BT_DBG("%s", hdev->name); | |
6185 | ||
6659358e | 6186 | if (!bdaddr_type_is_valid(cp->addr.type) || |
2faade53 | 6187 | !bacmp(&cp->addr.bdaddr, BDADDR_ANY)) |
2a1afb5a JH |
6188 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
6189 | MGMT_STATUS_INVALID_PARAMS, | |
6190 | &cp->addr, sizeof(cp->addr)); | |
2faade53 | 6191 | |
4b9e7e75 | 6192 | if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02) |
2a1afb5a JH |
6193 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
6194 | MGMT_STATUS_INVALID_PARAMS, | |
6195 | &cp->addr, sizeof(cp->addr)); | |
2faade53 | 6196 | |
5a154e6f JH |
6197 | hci_req_init(&req, hdev); |
6198 | ||
2faade53 MH |
6199 | hci_dev_lock(hdev); |
6200 | ||
5a154e6f JH |
6201 | cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len); |
6202 | if (!cmd) { | |
6203 | err = -ENOMEM; | |
6204 | goto unlock; | |
6205 | } | |
6206 | ||
6207 | cmd->cmd_complete = addr_cmd_complete; | |
6208 | ||
6659358e | 6209 | if (cp->addr.type == BDADDR_BREDR) { |
4b9e7e75 | 6210 | /* Only incoming connections action is supported for now */ |
6659358e | 6211 | if (cp->action != 0x01) { |
51d7a94d JH |
6212 | err = mgmt_cmd_complete(sk, hdev->id, |
6213 | MGMT_OP_ADD_DEVICE, | |
6214 | MGMT_STATUS_INVALID_PARAMS, | |
6215 | &cp->addr, sizeof(cp->addr)); | |
6659358e JH |
6216 | goto unlock; |
6217 | } | |
6218 | ||
6219 | err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr, | |
6220 | cp->addr.type); | |
6221 | if (err) | |
6222 | goto unlock; | |
a397407f | 6223 | |
5a154e6f | 6224 | __hci_update_page_scan(&req); |
a397407f | 6225 | |
6659358e JH |
6226 | goto added; |
6227 | } | |
6228 | ||
85813a7e | 6229 | addr_type = le_addr_type(cp->addr.type); |
2faade53 | 6230 | |
4b9e7e75 | 6231 | if (cp->action == 0x02) |
2faade53 | 6232 | auto_conn = HCI_AUTO_CONN_ALWAYS; |
4b9e7e75 MH |
6233 | else if (cp->action == 0x01) |
6234 | auto_conn = HCI_AUTO_CONN_DIRECT; | |
2faade53 | 6235 | else |
a3451d27 | 6236 | auto_conn = HCI_AUTO_CONN_REPORT; |
2faade53 | 6237 | |
9a0a8a8e JP |
6238 | /* Kernel internally uses conn_params with resolvable private |
6239 | * address, but Add Device allows only identity addresses. | |
6240 | * Make sure it is enforced before calling | |
6241 | * hci_conn_params_lookup. | |
6242 | */ | |
6243 | if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) { | |
51d7a94d JH |
6244 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
6245 | MGMT_STATUS_INVALID_PARAMS, | |
6246 | &cp->addr, sizeof(cp->addr)); | |
9a0a8a8e JP |
6247 | goto unlock; |
6248 | } | |
6249 | ||
bf5b3c8b MH |
6250 | /* If the connection parameters don't exist for this device, |
6251 | * they will be created and configured with defaults. | |
6252 | */ | |
51d7a94d | 6253 | if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type, |
d06b50ce | 6254 | auto_conn) < 0) { |
51d7a94d JH |
6255 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
6256 | MGMT_STATUS_FAILED, &cp->addr, | |
6257 | sizeof(cp->addr)); | |
2faade53 MH |
6258 | goto unlock; |
6259 | } | |
6260 | ||
51d7a94d JH |
6261 | hci_update_background_scan(hdev); |
6262 | ||
6659358e | 6263 | added: |
8afef092 MH |
6264 | device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action); |
6265 | ||
51d7a94d JH |
6266 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
6267 | MGMT_STATUS_SUCCESS, &cp->addr, | |
6268 | sizeof(cp->addr)); | |
2faade53 MH |
6269 | |
6270 | unlock: | |
6271 | hci_dev_unlock(hdev); | |
6272 | return err; | |
6273 | } | |
6274 | ||
8afef092 MH |
6275 | static void device_removed(struct sock *sk, struct hci_dev *hdev, |
6276 | bdaddr_t *bdaddr, u8 type) | |
6277 | { | |
6278 | struct mgmt_ev_device_removed ev; | |
6279 | ||
6280 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6281 | ev.addr.type = type; | |
6282 | ||
6283 | mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk); | |
6284 | } | |
6285 | ||
2faade53 MH |
6286 | static int remove_device(struct sock *sk, struct hci_dev *hdev, |
6287 | void *data, u16 len) | |
6288 | { | |
6289 | struct mgmt_cp_remove_device *cp = data; | |
6290 | int err; | |
6291 | ||
6292 | BT_DBG("%s", hdev->name); | |
6293 | ||
6294 | hci_dev_lock(hdev); | |
6295 | ||
6296 | if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { | |
c71593dd | 6297 | struct hci_conn_params *params; |
2faade53 MH |
6298 | u8 addr_type; |
6299 | ||
6659358e | 6300 | if (!bdaddr_type_is_valid(cp->addr.type)) { |
51d7a94d JH |
6301 | err = mgmt_cmd_complete(sk, hdev->id, |
6302 | MGMT_OP_REMOVE_DEVICE, | |
6303 | MGMT_STATUS_INVALID_PARAMS, | |
6304 | &cp->addr, sizeof(cp->addr)); | |
2faade53 MH |
6305 | goto unlock; |
6306 | } | |
6307 | ||
6659358e JH |
6308 | if (cp->addr.type == BDADDR_BREDR) { |
6309 | err = hci_bdaddr_list_del(&hdev->whitelist, | |
6310 | &cp->addr.bdaddr, | |
6311 | cp->addr.type); | |
6312 | if (err) { | |
51d7a94d JH |
6313 | err = mgmt_cmd_complete(sk, hdev->id, |
6314 | MGMT_OP_REMOVE_DEVICE, | |
6315 | MGMT_STATUS_INVALID_PARAMS, | |
6316 | &cp->addr, | |
6317 | sizeof(cp->addr)); | |
6659358e JH |
6318 | goto unlock; |
6319 | } | |
6320 | ||
51d7a94d | 6321 | hci_update_page_scan(hdev); |
a397407f | 6322 | |
6659358e JH |
6323 | device_removed(sk, hdev, &cp->addr.bdaddr, |
6324 | cp->addr.type); | |
6325 | goto complete; | |
6326 | } | |
6327 | ||
85813a7e | 6328 | addr_type = le_addr_type(cp->addr.type); |
2faade53 | 6329 | |
9a0a8a8e JP |
6330 | /* Kernel internally uses conn_params with resolvable private |
6331 | * address, but Remove Device allows only identity addresses. | |
6332 | * Make sure it is enforced before calling | |
6333 | * hci_conn_params_lookup. | |
6334 | */ | |
6335 | if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) { | |
51d7a94d JH |
6336 | err = mgmt_cmd_complete(sk, hdev->id, |
6337 | MGMT_OP_REMOVE_DEVICE, | |
6338 | MGMT_STATUS_INVALID_PARAMS, | |
6339 | &cp->addr, sizeof(cp->addr)); | |
9a0a8a8e JP |
6340 | goto unlock; |
6341 | } | |
6342 | ||
c71593dd JH |
6343 | params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, |
6344 | addr_type); | |
6345 | if (!params) { | |
51d7a94d JH |
6346 | err = mgmt_cmd_complete(sk, hdev->id, |
6347 | MGMT_OP_REMOVE_DEVICE, | |
6348 | MGMT_STATUS_INVALID_PARAMS, | |
6349 | &cp->addr, sizeof(cp->addr)); | |
c71593dd JH |
6350 | goto unlock; |
6351 | } | |
6352 | ||
679d2b6f JH |
6353 | if (params->auto_connect == HCI_AUTO_CONN_DISABLED || |
6354 | params->auto_connect == HCI_AUTO_CONN_EXPLICIT) { | |
51d7a94d JH |
6355 | err = mgmt_cmd_complete(sk, hdev->id, |
6356 | MGMT_OP_REMOVE_DEVICE, | |
6357 | MGMT_STATUS_INVALID_PARAMS, | |
6358 | &cp->addr, sizeof(cp->addr)); | |
c71593dd JH |
6359 | goto unlock; |
6360 | } | |
6361 | ||
d1dbf12e | 6362 | list_del(¶ms->action); |
c71593dd JH |
6363 | list_del(¶ms->list); |
6364 | kfree(params); | |
51d7a94d | 6365 | hci_update_background_scan(hdev); |
8afef092 MH |
6366 | |
6367 | device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type); | |
2faade53 | 6368 | } else { |
19de0825 | 6369 | struct hci_conn_params *p, *tmp; |
6659358e | 6370 | struct bdaddr_list *b, *btmp; |
19de0825 | 6371 | |
2faade53 | 6372 | if (cp->addr.type) { |
51d7a94d JH |
6373 | err = mgmt_cmd_complete(sk, hdev->id, |
6374 | MGMT_OP_REMOVE_DEVICE, | |
6375 | MGMT_STATUS_INVALID_PARAMS, | |
6376 | &cp->addr, sizeof(cp->addr)); | |
2faade53 MH |
6377 | goto unlock; |
6378 | } | |
6379 | ||
6659358e JH |
6380 | list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) { |
6381 | device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type); | |
6382 | list_del(&b->list); | |
6383 | kfree(b); | |
6384 | } | |
6385 | ||
51d7a94d | 6386 | hci_update_page_scan(hdev); |
a397407f | 6387 | |
19de0825 JH |
6388 | list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) { |
6389 | if (p->auto_connect == HCI_AUTO_CONN_DISABLED) | |
6390 | continue; | |
6391 | device_removed(sk, hdev, &p->addr, p->addr_type); | |
679d2b6f JH |
6392 | if (p->explicit_connect) { |
6393 | p->auto_connect = HCI_AUTO_CONN_EXPLICIT; | |
6394 | continue; | |
6395 | } | |
19de0825 JH |
6396 | list_del(&p->action); |
6397 | list_del(&p->list); | |
6398 | kfree(p); | |
6399 | } | |
6400 | ||
6401 | BT_DBG("All LE connection parameters were removed"); | |
6402 | ||
51d7a94d | 6403 | hci_update_background_scan(hdev); |
2faade53 MH |
6404 | } |
6405 | ||
6659358e | 6406 | complete: |
51d7a94d JH |
6407 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, |
6408 | MGMT_STATUS_SUCCESS, &cp->addr, | |
6409 | sizeof(cp->addr)); | |
2faade53 MH |
6410 | unlock: |
6411 | hci_dev_unlock(hdev); | |
6412 | return err; | |
6413 | } | |
6414 | ||
a26f3dcf JH |
6415 | static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data, |
6416 | u16 len) | |
6417 | { | |
6418 | struct mgmt_cp_load_conn_param *cp = data; | |
ba1d6936 JH |
6419 | const u16 max_param_count = ((U16_MAX - sizeof(*cp)) / |
6420 | sizeof(struct mgmt_conn_param)); | |
a26f3dcf JH |
6421 | u16 param_count, expected_len; |
6422 | int i; | |
6423 | ||
6424 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
6425 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, |
6426 | MGMT_STATUS_NOT_SUPPORTED); | |
a26f3dcf JH |
6427 | |
6428 | param_count = __le16_to_cpu(cp->param_count); | |
ba1d6936 JH |
6429 | if (param_count > max_param_count) { |
6430 | BT_ERR("load_conn_param: too big param_count value %u", | |
6431 | param_count); | |
a69e8375 JH |
6432 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, |
6433 | MGMT_STATUS_INVALID_PARAMS); | |
ba1d6936 | 6434 | } |
a26f3dcf JH |
6435 | |
6436 | expected_len = sizeof(*cp) + param_count * | |
6437 | sizeof(struct mgmt_conn_param); | |
6438 | if (expected_len != len) { | |
6439 | BT_ERR("load_conn_param: expected %u bytes, got %u bytes", | |
6440 | expected_len, len); | |
a69e8375 JH |
6441 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, |
6442 | MGMT_STATUS_INVALID_PARAMS); | |
a26f3dcf JH |
6443 | } |
6444 | ||
6445 | BT_DBG("%s param_count %u", hdev->name, param_count); | |
6446 | ||
6447 | hci_dev_lock(hdev); | |
6448 | ||
6449 | hci_conn_params_clear_disabled(hdev); | |
6450 | ||
6451 | for (i = 0; i < param_count; i++) { | |
6452 | struct mgmt_conn_param *param = &cp->params[i]; | |
6453 | struct hci_conn_params *hci_param; | |
6454 | u16 min, max, latency, timeout; | |
6455 | u8 addr_type; | |
6456 | ||
6457 | BT_DBG("Adding %pMR (type %u)", ¶m->addr.bdaddr, | |
6458 | param->addr.type); | |
6459 | ||
6460 | if (param->addr.type == BDADDR_LE_PUBLIC) { | |
6461 | addr_type = ADDR_LE_DEV_PUBLIC; | |
6462 | } else if (param->addr.type == BDADDR_LE_RANDOM) { | |
6463 | addr_type = ADDR_LE_DEV_RANDOM; | |
6464 | } else { | |
6465 | BT_ERR("Ignoring invalid connection parameters"); | |
6466 | continue; | |
6467 | } | |
6468 | ||
6469 | min = le16_to_cpu(param->min_interval); | |
6470 | max = le16_to_cpu(param->max_interval); | |
6471 | latency = le16_to_cpu(param->latency); | |
6472 | timeout = le16_to_cpu(param->timeout); | |
6473 | ||
6474 | BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x", | |
6475 | min, max, latency, timeout); | |
6476 | ||
6477 | if (hci_check_conn_params(min, max, latency, timeout) < 0) { | |
6478 | BT_ERR("Ignoring invalid connection parameters"); | |
6479 | continue; | |
6480 | } | |
6481 | ||
6482 | hci_param = hci_conn_params_add(hdev, ¶m->addr.bdaddr, | |
6483 | addr_type); | |
6484 | if (!hci_param) { | |
6485 | BT_ERR("Failed to add connection parameters"); | |
6486 | continue; | |
6487 | } | |
6488 | ||
6489 | hci_param->conn_min_interval = min; | |
6490 | hci_param->conn_max_interval = max; | |
6491 | hci_param->conn_latency = latency; | |
6492 | hci_param->supervision_timeout = timeout; | |
6493 | } | |
6494 | ||
6495 | hci_dev_unlock(hdev); | |
6496 | ||
2a1afb5a JH |
6497 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, |
6498 | NULL, 0); | |
a26f3dcf JH |
6499 | } |
6500 | ||
dbece37a MH |
6501 | static int set_external_config(struct sock *sk, struct hci_dev *hdev, |
6502 | void *data, u16 len) | |
6503 | { | |
6504 | struct mgmt_cp_set_external_config *cp = data; | |
6505 | bool changed; | |
6506 | int err; | |
6507 | ||
6508 | BT_DBG("%s", hdev->name); | |
6509 | ||
6510 | if (hdev_is_powered(hdev)) | |
a69e8375 JH |
6511 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, |
6512 | MGMT_STATUS_REJECTED); | |
dbece37a MH |
6513 | |
6514 | if (cp->config != 0x00 && cp->config != 0x01) | |
a69e8375 JH |
6515 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, |
6516 | MGMT_STATUS_INVALID_PARAMS); | |
dbece37a MH |
6517 | |
6518 | if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks)) | |
a69e8375 JH |
6519 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, |
6520 | MGMT_STATUS_NOT_SUPPORTED); | |
dbece37a MH |
6521 | |
6522 | hci_dev_lock(hdev); | |
6523 | ||
6524 | if (cp->config) | |
238be788 | 6525 | changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED); |
dbece37a | 6526 | else |
a69d8927 | 6527 | changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED); |
dbece37a MH |
6528 | |
6529 | err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev); | |
6530 | if (err < 0) | |
6531 | goto unlock; | |
6532 | ||
6533 | if (!changed) | |
6534 | goto unlock; | |
6535 | ||
f4537c04 MH |
6536 | err = new_options(hdev, sk); |
6537 | ||
d7a5a11d | 6538 | if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) { |
dbece37a | 6539 | mgmt_index_removed(hdev); |
d603b76b | 6540 | |
516018a9 | 6541 | if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) { |
a1536da2 MH |
6542 | hci_dev_set_flag(hdev, HCI_CONFIG); |
6543 | hci_dev_set_flag(hdev, HCI_AUTO_OFF); | |
d603b76b MH |
6544 | |
6545 | queue_work(hdev->req_workqueue, &hdev->power_on); | |
6546 | } else { | |
5ea234d3 | 6547 | set_bit(HCI_RAW, &hdev->flags); |
d603b76b MH |
6548 | mgmt_index_added(hdev); |
6549 | } | |
dbece37a MH |
6550 | } |
6551 | ||
6552 | unlock: | |
6553 | hci_dev_unlock(hdev); | |
6554 | return err; | |
6555 | } | |
6556 | ||
9713c17b MH |
6557 | static int set_public_address(struct sock *sk, struct hci_dev *hdev, |
6558 | void *data, u16 len) | |
6559 | { | |
6560 | struct mgmt_cp_set_public_address *cp = data; | |
6561 | bool changed; | |
6562 | int err; | |
6563 | ||
6564 | BT_DBG("%s", hdev->name); | |
6565 | ||
6566 | if (hdev_is_powered(hdev)) | |
a69e8375 JH |
6567 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, |
6568 | MGMT_STATUS_REJECTED); | |
9713c17b MH |
6569 | |
6570 | if (!bacmp(&cp->bdaddr, BDADDR_ANY)) | |
a69e8375 JH |
6571 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, |
6572 | MGMT_STATUS_INVALID_PARAMS); | |
9713c17b MH |
6573 | |
6574 | if (!hdev->set_bdaddr) | |
a69e8375 JH |
6575 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, |
6576 | MGMT_STATUS_NOT_SUPPORTED); | |
9713c17b MH |
6577 | |
6578 | hci_dev_lock(hdev); | |
6579 | ||
6580 | changed = !!bacmp(&hdev->public_addr, &cp->bdaddr); | |
6581 | bacpy(&hdev->public_addr, &cp->bdaddr); | |
6582 | ||
6583 | err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev); | |
6584 | if (err < 0) | |
6585 | goto unlock; | |
6586 | ||
6587 | if (!changed) | |
6588 | goto unlock; | |
6589 | ||
d7a5a11d | 6590 | if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) |
9713c17b MH |
6591 | err = new_options(hdev, sk); |
6592 | ||
6593 | if (is_configured(hdev)) { | |
6594 | mgmt_index_removed(hdev); | |
6595 | ||
a358dc11 | 6596 | hci_dev_clear_flag(hdev, HCI_UNCONFIGURED); |
9713c17b | 6597 | |
a1536da2 MH |
6598 | hci_dev_set_flag(hdev, HCI_CONFIG); |
6599 | hci_dev_set_flag(hdev, HCI_AUTO_OFF); | |
9713c17b MH |
6600 | |
6601 | queue_work(hdev->req_workqueue, &hdev->power_on); | |
6602 | } | |
6603 | ||
6604 | unlock: | |
6605 | hci_dev_unlock(hdev); | |
6606 | return err; | |
6607 | } | |
6608 | ||
bea41609 MH |
6609 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, |
6610 | u8 data_len) | |
6611 | { | |
6612 | eir[eir_len++] = sizeof(type) + data_len; | |
6613 | eir[eir_len++] = type; | |
6614 | memcpy(&eir[eir_len], data, data_len); | |
6615 | eir_len += data_len; | |
6616 | ||
6617 | return eir_len; | |
6618 | } | |
6619 | ||
40f66c05 JH |
6620 | static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status, |
6621 | u16 opcode, struct sk_buff *skb) | |
6622 | { | |
6623 | const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp; | |
6624 | struct mgmt_rp_read_local_oob_ext_data *mgmt_rp; | |
6625 | u8 *h192, *r192, *h256, *r256; | |
6626 | struct mgmt_pending_cmd *cmd; | |
6627 | u16 eir_len; | |
6628 | int err; | |
6629 | ||
6630 | BT_DBG("%s status %u", hdev->name, status); | |
6631 | ||
6632 | cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev); | |
6633 | if (!cmd) | |
6634 | return; | |
6635 | ||
6636 | mgmt_cp = cmd->param; | |
6637 | ||
6638 | if (status) { | |
6639 | status = mgmt_status(status); | |
6640 | eir_len = 0; | |
6641 | ||
6642 | h192 = NULL; | |
6643 | r192 = NULL; | |
6644 | h256 = NULL; | |
6645 | r256 = NULL; | |
6646 | } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) { | |
6647 | struct hci_rp_read_local_oob_data *rp; | |
6648 | ||
6649 | if (skb->len != sizeof(*rp)) { | |
6650 | status = MGMT_STATUS_FAILED; | |
6651 | eir_len = 0; | |
6652 | } else { | |
6653 | status = MGMT_STATUS_SUCCESS; | |
6654 | rp = (void *)skb->data; | |
6655 | ||
6656 | eir_len = 5 + 18 + 18; | |
6657 | h192 = rp->hash; | |
6658 | r192 = rp->rand; | |
6659 | h256 = NULL; | |
6660 | r256 = NULL; | |
6661 | } | |
6662 | } else { | |
6663 | struct hci_rp_read_local_oob_ext_data *rp; | |
6664 | ||
6665 | if (skb->len != sizeof(*rp)) { | |
6666 | status = MGMT_STATUS_FAILED; | |
6667 | eir_len = 0; | |
6668 | } else { | |
6669 | status = MGMT_STATUS_SUCCESS; | |
6670 | rp = (void *)skb->data; | |
6671 | ||
6672 | if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) { | |
6673 | eir_len = 5 + 18 + 18; | |
6674 | h192 = NULL; | |
6675 | r192 = NULL; | |
6676 | } else { | |
6677 | eir_len = 5 + 18 + 18 + 18 + 18; | |
6678 | h192 = rp->hash192; | |
6679 | r192 = rp->rand192; | |
6680 | } | |
6681 | ||
6682 | h256 = rp->hash256; | |
6683 | r256 = rp->rand256; | |
6684 | } | |
6685 | } | |
6686 | ||
6687 | mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL); | |
6688 | if (!mgmt_rp) | |
6689 | goto done; | |
6690 | ||
6691 | if (status) | |
6692 | goto send_rsp; | |
6693 | ||
6694 | eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV, | |
6695 | hdev->dev_class, 3); | |
6696 | ||
6697 | if (h192 && r192) { | |
6698 | eir_len = eir_append_data(mgmt_rp->eir, eir_len, | |
6699 | EIR_SSP_HASH_C192, h192, 16); | |
6700 | eir_len = eir_append_data(mgmt_rp->eir, eir_len, | |
6701 | EIR_SSP_RAND_R192, r192, 16); | |
6702 | } | |
6703 | ||
6704 | if (h256 && r256) { | |
6705 | eir_len = eir_append_data(mgmt_rp->eir, eir_len, | |
6706 | EIR_SSP_HASH_C256, h256, 16); | |
6707 | eir_len = eir_append_data(mgmt_rp->eir, eir_len, | |
6708 | EIR_SSP_RAND_R256, r256, 16); | |
6709 | } | |
6710 | ||
6711 | send_rsp: | |
6712 | mgmt_rp->type = mgmt_cp->type; | |
6713 | mgmt_rp->eir_len = cpu_to_le16(eir_len); | |
6714 | ||
6715 | err = mgmt_cmd_complete(cmd->sk, hdev->id, | |
6716 | MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status, | |
6717 | mgmt_rp, sizeof(*mgmt_rp) + eir_len); | |
6718 | if (err < 0 || status) | |
6719 | goto done; | |
6720 | ||
6721 | hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS); | |
6722 | ||
6723 | err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev, | |
6724 | mgmt_rp, sizeof(*mgmt_rp) + eir_len, | |
6725 | HCI_MGMT_OOB_DATA_EVENTS, cmd->sk); | |
6726 | done: | |
6727 | kfree(mgmt_rp); | |
6728 | mgmt_pending_remove(cmd); | |
6729 | } | |
6730 | ||
6731 | static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk, | |
6732 | struct mgmt_cp_read_local_oob_ext_data *cp) | |
6733 | { | |
6734 | struct mgmt_pending_cmd *cmd; | |
6735 | struct hci_request req; | |
6736 | int err; | |
6737 | ||
6738 | cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev, | |
6739 | cp, sizeof(*cp)); | |
6740 | if (!cmd) | |
6741 | return -ENOMEM; | |
6742 | ||
6743 | hci_req_init(&req, hdev); | |
6744 | ||
6745 | if (bredr_sc_enabled(hdev)) | |
6746 | hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL); | |
6747 | else | |
6748 | hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); | |
6749 | ||
6750 | err = hci_req_run_skb(&req, read_local_oob_ext_data_complete); | |
6751 | if (err < 0) { | |
6752 | mgmt_pending_remove(cmd); | |
6753 | return err; | |
6754 | } | |
6755 | ||
6756 | return 0; | |
6757 | } | |
6758 | ||
4f0f155c MH |
6759 | static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev, |
6760 | void *data, u16 data_len) | |
6761 | { | |
6762 | struct mgmt_cp_read_local_oob_ext_data *cp = data; | |
6763 | struct mgmt_rp_read_local_oob_ext_data *rp; | |
6764 | size_t rp_len; | |
6765 | u16 eir_len; | |
0821a2c5 | 6766 | u8 status, flags, role, addr[7], hash[16], rand[16]; |
4f0f155c MH |
6767 | int err; |
6768 | ||
6769 | BT_DBG("%s", hdev->name); | |
6770 | ||
57b0d3e8 MH |
6771 | if (hdev_is_powered(hdev)) { |
6772 | switch (cp->type) { | |
6773 | case BIT(BDADDR_BREDR): | |
6774 | status = mgmt_bredr_support(hdev); | |
6775 | if (status) | |
6776 | eir_len = 0; | |
6777 | else | |
6778 | eir_len = 5; | |
6779 | break; | |
6780 | case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)): | |
6781 | status = mgmt_le_support(hdev); | |
6782 | if (status) | |
6783 | eir_len = 0; | |
6784 | else | |
6785 | eir_len = 9 + 3 + 18 + 18 + 3; | |
6786 | break; | |
6787 | default: | |
6788 | status = MGMT_STATUS_INVALID_PARAMS; | |
6789 | eir_len = 0; | |
6790 | break; | |
6791 | } | |
6792 | } else { | |
6793 | status = MGMT_STATUS_NOT_POWERED; | |
6794 | eir_len = 0; | |
4f0f155c MH |
6795 | } |
6796 | ||
4f0f155c MH |
6797 | rp_len = sizeof(*rp) + eir_len; |
6798 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
efcd8c98 | 6799 | if (!rp) |
4f0f155c | 6800 | return -ENOMEM; |
efcd8c98 | 6801 | |
57b0d3e8 MH |
6802 | if (status) |
6803 | goto complete; | |
6804 | ||
efcd8c98 | 6805 | hci_dev_lock(hdev); |
4f0f155c MH |
6806 | |
6807 | eir_len = 0; | |
6808 | switch (cp->type) { | |
6809 | case BIT(BDADDR_BREDR): | |
40f66c05 JH |
6810 | if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
6811 | err = read_local_ssp_oob_req(hdev, sk, cp); | |
6812 | hci_dev_unlock(hdev); | |
6813 | if (!err) | |
6814 | goto done; | |
6815 | ||
6816 | status = MGMT_STATUS_FAILED; | |
6817 | goto complete; | |
6818 | } else { | |
6819 | eir_len = eir_append_data(rp->eir, eir_len, | |
6820 | EIR_CLASS_OF_DEV, | |
6821 | hdev->dev_class, 3); | |
6822 | } | |
4f0f155c MH |
6823 | break; |
6824 | case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)): | |
5082a599 MH |
6825 | if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) && |
6826 | smp_generate_oob(hdev, hash, rand) < 0) { | |
0821a2c5 | 6827 | hci_dev_unlock(hdev); |
57b0d3e8 MH |
6828 | status = MGMT_STATUS_FAILED; |
6829 | goto complete; | |
0821a2c5 MH |
6830 | } |
6831 | ||
e213568a MH |
6832 | /* This should return the active RPA, but since the RPA |
6833 | * is only programmed on demand, it is really hard to fill | |
6834 | * this in at the moment. For now disallow retrieving | |
6835 | * local out-of-band data when privacy is in use. | |
6836 | * | |
6837 | * Returning the identity address will not help here since | |
6838 | * pairing happens before the identity resolving key is | |
6839 | * known and thus the connection establishment happens | |
6840 | * based on the RPA and not the identity address. | |
6841 | */ | |
4f0f155c | 6842 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) { |
e213568a MH |
6843 | hci_dev_unlock(hdev); |
6844 | status = MGMT_STATUS_REJECTED; | |
6845 | goto complete; | |
6846 | } | |
6847 | ||
6848 | if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) || | |
6849 | !bacmp(&hdev->bdaddr, BDADDR_ANY) || | |
6850 | (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && | |
6851 | bacmp(&hdev->static_addr, BDADDR_ANY))) { | |
4f0f155c MH |
6852 | memcpy(addr, &hdev->static_addr, 6); |
6853 | addr[6] = 0x01; | |
6854 | } else { | |
6855 | memcpy(addr, &hdev->bdaddr, 6); | |
6856 | addr[6] = 0x00; | |
6857 | } | |
6858 | ||
6859 | eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR, | |
6860 | addr, sizeof(addr)); | |
6861 | ||
6862 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) | |
6863 | role = 0x02; | |
6864 | else | |
6865 | role = 0x01; | |
6866 | ||
6867 | eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE, | |
6868 | &role, sizeof(role)); | |
6869 | ||
5082a599 MH |
6870 | if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) { |
6871 | eir_len = eir_append_data(rp->eir, eir_len, | |
6872 | EIR_LE_SC_CONFIRM, | |
6873 | hash, sizeof(hash)); | |
0821a2c5 | 6874 | |
5082a599 MH |
6875 | eir_len = eir_append_data(rp->eir, eir_len, |
6876 | EIR_LE_SC_RANDOM, | |
6877 | rand, sizeof(rand)); | |
6878 | } | |
0821a2c5 | 6879 | |
4f0f155c MH |
6880 | flags = get_adv_discov_flags(hdev); |
6881 | ||
6882 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) | |
6883 | flags |= LE_AD_NO_BREDR; | |
6884 | ||
6885 | eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS, | |
6886 | &flags, sizeof(flags)); | |
6887 | break; | |
6888 | } | |
6889 | ||
4f0f155c MH |
6890 | hci_dev_unlock(hdev); |
6891 | ||
72000df2 MH |
6892 | hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS); |
6893 | ||
57b0d3e8 MH |
6894 | status = MGMT_STATUS_SUCCESS; |
6895 | ||
6896 | complete: | |
efcd8c98 MH |
6897 | rp->type = cp->type; |
6898 | rp->eir_len = cpu_to_le16(eir_len); | |
6899 | ||
4f0f155c | 6900 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, |
57b0d3e8 MH |
6901 | status, rp, sizeof(*rp) + eir_len); |
6902 | if (err < 0 || status) | |
72000df2 MH |
6903 | goto done; |
6904 | ||
6905 | err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev, | |
6906 | rp, sizeof(*rp) + eir_len, | |
6907 | HCI_MGMT_OOB_DATA_EVENTS, sk); | |
4f0f155c | 6908 | |
0821a2c5 | 6909 | done: |
4f0f155c MH |
6910 | kfree(rp); |
6911 | ||
6912 | return err; | |
6913 | } | |
6914 | ||
089fa8c0 AU |
6915 | static u32 get_supported_adv_flags(struct hci_dev *hdev) |
6916 | { | |
6917 | u32 flags = 0; | |
6918 | ||
6919 | flags |= MGMT_ADV_FLAG_CONNECTABLE; | |
6920 | flags |= MGMT_ADV_FLAG_DISCOV; | |
6921 | flags |= MGMT_ADV_FLAG_LIMITED_DISCOV; | |
6922 | flags |= MGMT_ADV_FLAG_MANAGED_FLAGS; | |
6923 | ||
6924 | if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) | |
6925 | flags |= MGMT_ADV_FLAG_TX_POWER; | |
6926 | ||
6927 | return flags; | |
6928 | } | |
6929 | ||
d3d5305b MH |
6930 | static int read_adv_features(struct sock *sk, struct hci_dev *hdev, |
6931 | void *data, u16 data_len) | |
6932 | { | |
6933 | struct mgmt_rp_read_adv_features *rp; | |
6934 | size_t rp_len; | |
286e0c83 | 6935 | int err, i; |
24b4f38f | 6936 | bool instance; |
286e0c83 | 6937 | struct adv_info *adv_instance; |
089fa8c0 | 6938 | u32 supported_flags; |
d3d5305b MH |
6939 | |
6940 | BT_DBG("%s", hdev->name); | |
6941 | ||
089fa8c0 AU |
6942 | if (!lmp_le_capable(hdev)) |
6943 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES, | |
6944 | MGMT_STATUS_REJECTED); | |
6945 | ||
d3d5305b MH |
6946 | hci_dev_lock(hdev); |
6947 | ||
6948 | rp_len = sizeof(*rp); | |
24b4f38f | 6949 | |
24b4f38f AU |
6950 | instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE); |
6951 | if (instance) | |
286e0c83 | 6952 | rp_len += hdev->adv_instance_cnt; |
24b4f38f | 6953 | |
d3d5305b MH |
6954 | rp = kmalloc(rp_len, GFP_ATOMIC); |
6955 | if (!rp) { | |
6956 | hci_dev_unlock(hdev); | |
6957 | return -ENOMEM; | |
6958 | } | |
6959 | ||
089fa8c0 AU |
6960 | supported_flags = get_supported_adv_flags(hdev); |
6961 | ||
6962 | rp->supported_flags = cpu_to_le32(supported_flags); | |
dc5d82a9 MH |
6963 | rp->max_adv_data_len = HCI_MAX_AD_LENGTH; |
6964 | rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH; | |
d2609b34 | 6965 | rp->max_instances = HCI_MAX_ADV_INSTANCES; |
24b4f38f | 6966 | |
24b4f38f | 6967 | if (instance) { |
286e0c83 FG |
6968 | i = 0; |
6969 | list_for_each_entry(adv_instance, &hdev->adv_instances, list) { | |
6970 | if (i >= hdev->adv_instance_cnt) | |
6971 | break; | |
6972 | ||
6973 | rp->instance[i] = adv_instance->instance; | |
6974 | i++; | |
6975 | } | |
6976 | rp->num_instances = hdev->adv_instance_cnt; | |
24b4f38f AU |
6977 | } else { |
6978 | rp->num_instances = 0; | |
6979 | } | |
d3d5305b MH |
6980 | |
6981 | hci_dev_unlock(hdev); | |
6982 | ||
6983 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES, | |
6984 | MGMT_STATUS_SUCCESS, rp, rp_len); | |
6985 | ||
6986 | kfree(rp); | |
6987 | ||
6988 | return err; | |
6989 | } | |
6990 | ||
4117ed70 | 6991 | static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data, |
b44133ff | 6992 | u8 len, bool is_adv_data) |
24b4f38f | 6993 | { |
4117ed70 | 6994 | u8 max_len = HCI_MAX_AD_LENGTH; |
24b4f38f | 6995 | int i, cur_len; |
b44133ff | 6996 | bool flags_managed = false; |
5507e358 | 6997 | bool tx_power_managed = false; |
67e0c0cd AU |
6998 | u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV | |
6999 | MGMT_ADV_FLAG_MANAGED_FLAGS; | |
24b4f38f | 7000 | |
807ec772 | 7001 | if (is_adv_data && (adv_flags & flags_params)) { |
b44133ff AU |
7002 | flags_managed = true; |
7003 | max_len -= 3; | |
7004 | } | |
24b4f38f | 7005 | |
5507e358 AU |
7006 | if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) { |
7007 | tx_power_managed = true; | |
7008 | max_len -= 3; | |
7009 | } | |
7010 | ||
4117ed70 | 7011 | if (len > max_len) |
24b4f38f AU |
7012 | return false; |
7013 | ||
4117ed70 AU |
7014 | /* Make sure that the data is correctly formatted. */ |
7015 | for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) { | |
7016 | cur_len = data[i]; | |
24b4f38f | 7017 | |
b44133ff AU |
7018 | if (flags_managed && data[i + 1] == EIR_FLAGS) |
7019 | return false; | |
7020 | ||
5507e358 AU |
7021 | if (tx_power_managed && data[i + 1] == EIR_TX_POWER) |
7022 | return false; | |
7023 | ||
24b4f38f AU |
7024 | /* If the current field length would exceed the total data |
7025 | * length, then it's invalid. | |
7026 | */ | |
4117ed70 | 7027 | if (i + cur_len >= len) |
24b4f38f AU |
7028 | return false; |
7029 | } | |
7030 | ||
7031 | return true; | |
7032 | } | |
7033 | ||
24b4f38f AU |
7034 | static void add_advertising_complete(struct hci_dev *hdev, u8 status, |
7035 | u16 opcode) | |
7036 | { | |
7037 | struct mgmt_pending_cmd *cmd; | |
fffd38bc | 7038 | struct mgmt_cp_add_advertising *cp; |
24b4f38f | 7039 | struct mgmt_rp_add_advertising rp; |
fffd38bc FG |
7040 | struct adv_info *adv_instance, *n; |
7041 | u8 instance; | |
24b4f38f AU |
7042 | |
7043 | BT_DBG("status %d", status); | |
7044 | ||
7045 | hci_dev_lock(hdev); | |
7046 | ||
7047 | cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev); | |
7048 | ||
fffd38bc | 7049 | if (status) |
24b4f38f | 7050 | hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE); |
fffd38bc FG |
7051 | |
7052 | list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) { | |
7053 | if (!adv_instance->pending) | |
7054 | continue; | |
7055 | ||
7056 | if (!status) { | |
7057 | adv_instance->pending = false; | |
7058 | continue; | |
7059 | } | |
7060 | ||
7061 | instance = adv_instance->instance; | |
7062 | ||
7063 | if (hdev->cur_adv_instance == instance) | |
7064 | cancel_adv_timeout(hdev); | |
7065 | ||
7066 | hci_remove_adv_instance(hdev, instance); | |
7067 | advertising_removed(cmd ? cmd->sk : NULL, hdev, instance); | |
24b4f38f AU |
7068 | } |
7069 | ||
7070 | if (!cmd) | |
7071 | goto unlock; | |
7072 | ||
fffd38bc FG |
7073 | cp = cmd->param; |
7074 | rp.instance = cp->instance; | |
24b4f38f AU |
7075 | |
7076 | if (status) | |
7077 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, | |
7078 | mgmt_status(status)); | |
7079 | else | |
7080 | mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, | |
7081 | mgmt_status(status), &rp, sizeof(rp)); | |
7082 | ||
7083 | mgmt_pending_remove(cmd); | |
7084 | ||
7085 | unlock: | |
7086 | hci_dev_unlock(hdev); | |
7087 | } | |
7088 | ||
5d900e46 | 7089 | void mgmt_adv_timeout_expired(struct hci_dev *hdev) |
912098a6 | 7090 | { |
847818d9 FG |
7091 | u8 instance; |
7092 | struct hci_request req; | |
7093 | ||
5d900e46 | 7094 | hdev->adv_instance_timeout = 0; |
912098a6 | 7095 | |
847818d9 FG |
7096 | instance = get_current_adv_instance(hdev); |
7097 | if (instance == 0x00) | |
7098 | return; | |
7099 | ||
912098a6 | 7100 | hci_dev_lock(hdev); |
847818d9 FG |
7101 | hci_req_init(&req, hdev); |
7102 | ||
7103 | clear_adv_instance(hdev, &req, instance, false); | |
7104 | ||
7105 | if (list_empty(&hdev->adv_instances)) | |
7106 | disable_advertising(&req); | |
7107 | ||
7108 | if (!skb_queue_empty(&req.cmd_q)) | |
7109 | hci_req_run(&req, NULL); | |
7110 | ||
912098a6 AU |
7111 | hci_dev_unlock(hdev); |
7112 | } | |
7113 | ||
24b4f38f AU |
7114 | static int add_advertising(struct sock *sk, struct hci_dev *hdev, |
7115 | void *data, u16 data_len) | |
7116 | { | |
7117 | struct mgmt_cp_add_advertising *cp = data; | |
7118 | struct mgmt_rp_add_advertising rp; | |
7119 | u32 flags; | |
089fa8c0 | 7120 | u32 supported_flags; |
24b4f38f | 7121 | u8 status; |
fffd38bc FG |
7122 | u16 timeout, duration; |
7123 | unsigned int prev_instance_cnt = hdev->adv_instance_cnt; | |
7124 | u8 schedule_instance = 0; | |
7125 | struct adv_info *next_instance; | |
24b4f38f AU |
7126 | int err; |
7127 | struct mgmt_pending_cmd *cmd; | |
7128 | struct hci_request req; | |
7129 | ||
7130 | BT_DBG("%s", hdev->name); | |
7131 | ||
7132 | status = mgmt_le_support(hdev); | |
7133 | if (status) | |
7134 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, | |
7135 | status); | |
7136 | ||
7137 | flags = __le32_to_cpu(cp->flags); | |
912098a6 | 7138 | timeout = __le16_to_cpu(cp->timeout); |
fffd38bc | 7139 | duration = __le16_to_cpu(cp->duration); |
24b4f38f | 7140 | |
fffd38bc FG |
7141 | /* The current implementation only supports a subset of the specified |
7142 | * flags. | |
089fa8c0 AU |
7143 | */ |
7144 | supported_flags = get_supported_adv_flags(hdev); | |
fffd38bc | 7145 | if (flags & ~supported_flags) |
24b4f38f AU |
7146 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
7147 | MGMT_STATUS_INVALID_PARAMS); | |
7148 | ||
7149 | hci_dev_lock(hdev); | |
7150 | ||
912098a6 AU |
7151 | if (timeout && !hdev_is_powered(hdev)) { |
7152 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, | |
7153 | MGMT_STATUS_REJECTED); | |
7154 | goto unlock; | |
7155 | } | |
7156 | ||
24b4f38f | 7157 | if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) || |
da929335 | 7158 | pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) || |
24b4f38f AU |
7159 | pending_find(MGMT_OP_SET_LE, hdev)) { |
7160 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, | |
7161 | MGMT_STATUS_BUSY); | |
7162 | goto unlock; | |
7163 | } | |
7164 | ||
b44133ff | 7165 | if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) || |
4117ed70 | 7166 | !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len, |
b44133ff | 7167 | cp->scan_rsp_len, false)) { |
24b4f38f AU |
7168 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
7169 | MGMT_STATUS_INVALID_PARAMS); | |
7170 | goto unlock; | |
7171 | } | |
7172 | ||
fffd38bc FG |
7173 | err = hci_add_adv_instance(hdev, cp->instance, flags, |
7174 | cp->adv_data_len, cp->data, | |
7175 | cp->scan_rsp_len, | |
7176 | cp->data + cp->adv_data_len, | |
7177 | timeout, duration); | |
7178 | if (err < 0) { | |
7179 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, | |
7180 | MGMT_STATUS_FAILED); | |
7181 | goto unlock; | |
7182 | } | |
24b4f38f | 7183 | |
fffd38bc FG |
7184 | /* Only trigger an advertising added event if a new instance was |
7185 | * actually added. | |
7186 | */ | |
7187 | if (hdev->adv_instance_cnt > prev_instance_cnt) | |
7188 | advertising_added(sk, hdev, cp->instance); | |
912098a6 | 7189 | |
fffd38bc | 7190 | hci_dev_set_flag(hdev, HCI_ADVERTISING_INSTANCE); |
912098a6 | 7191 | |
fffd38bc FG |
7192 | if (hdev->cur_adv_instance == cp->instance) { |
7193 | /* If the currently advertised instance is being changed then | |
7194 | * cancel the current advertising and schedule the next | |
7195 | * instance. If there is only one instance then the overridden | |
7196 | * advertising data will be visible right away. | |
7197 | */ | |
7198 | cancel_adv_timeout(hdev); | |
912098a6 | 7199 | |
fffd38bc FG |
7200 | next_instance = hci_get_next_instance(hdev, cp->instance); |
7201 | if (next_instance) | |
7202 | schedule_instance = next_instance->instance; | |
7203 | } else if (!hdev->adv_instance_timeout) { | |
7204 | /* Immediately advertise the new instance if no other | |
7205 | * instance is currently being advertised. | |
7206 | */ | |
7207 | schedule_instance = cp->instance; | |
7208 | } | |
24b4f38f | 7209 | |
fffd38bc FG |
7210 | /* If the HCI_ADVERTISING flag is set or the device isn't powered or |
7211 | * there is no instance to be advertised then we have no HCI | |
7212 | * communication to make. Simply return. | |
24b4f38f AU |
7213 | */ |
7214 | if (!hdev_is_powered(hdev) || | |
fffd38bc FG |
7215 | hci_dev_test_flag(hdev, HCI_ADVERTISING) || |
7216 | !schedule_instance) { | |
7217 | rp.instance = cp->instance; | |
24b4f38f AU |
7218 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, |
7219 | MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); | |
7220 | goto unlock; | |
7221 | } | |
7222 | ||
7223 | /* We're good to go, update advertising data, parameters, and start | |
7224 | * advertising. | |
7225 | */ | |
7226 | cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data, | |
7227 | data_len); | |
7228 | if (!cmd) { | |
7229 | err = -ENOMEM; | |
7230 | goto unlock; | |
7231 | } | |
7232 | ||
7233 | hci_req_init(&req, hdev); | |
7234 | ||
fffd38bc FG |
7235 | err = schedule_adv_instance(&req, schedule_instance, true); |
7236 | ||
7237 | if (!err) | |
7238 | err = hci_req_run(&req, add_advertising_complete); | |
24b4f38f | 7239 | |
24b4f38f AU |
7240 | if (err < 0) |
7241 | mgmt_pending_remove(cmd); | |
7242 | ||
7243 | unlock: | |
7244 | hci_dev_unlock(hdev); | |
7245 | ||
7246 | return err; | |
7247 | } | |
7248 | ||
da929335 AU |
7249 | static void remove_advertising_complete(struct hci_dev *hdev, u8 status, |
7250 | u16 opcode) | |
7251 | { | |
7252 | struct mgmt_pending_cmd *cmd; | |
01948331 | 7253 | struct mgmt_cp_remove_advertising *cp; |
da929335 AU |
7254 | struct mgmt_rp_remove_advertising rp; |
7255 | ||
7256 | BT_DBG("status %d", status); | |
7257 | ||
7258 | hci_dev_lock(hdev); | |
7259 | ||
7260 | /* A failure status here only means that we failed to disable | |
7261 | * advertising. Otherwise, the advertising instance has been removed, | |
7262 | * so report success. | |
7263 | */ | |
7264 | cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev); | |
7265 | if (!cmd) | |
7266 | goto unlock; | |
7267 | ||
01948331 FG |
7268 | cp = cmd->param; |
7269 | rp.instance = cp->instance; | |
da929335 AU |
7270 | |
7271 | mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS, | |
7272 | &rp, sizeof(rp)); | |
7273 | mgmt_pending_remove(cmd); | |
7274 | ||
7275 | unlock: | |
7276 | hci_dev_unlock(hdev); | |
7277 | } | |
7278 | ||
7279 | static int remove_advertising(struct sock *sk, struct hci_dev *hdev, | |
7280 | void *data, u16 data_len) | |
7281 | { | |
7282 | struct mgmt_cp_remove_advertising *cp = data; | |
7283 | struct mgmt_rp_remove_advertising rp; | |
da929335 AU |
7284 | struct mgmt_pending_cmd *cmd; |
7285 | struct hci_request req; | |
952497b1 | 7286 | int err; |
da929335 AU |
7287 | |
7288 | BT_DBG("%s", hdev->name); | |
7289 | ||
da929335 AU |
7290 | hci_dev_lock(hdev); |
7291 | ||
952497b1 | 7292 | if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) { |
01948331 FG |
7293 | err = mgmt_cmd_status(sk, hdev->id, |
7294 | MGMT_OP_REMOVE_ADVERTISING, | |
7295 | MGMT_STATUS_INVALID_PARAMS); | |
7296 | goto unlock; | |
7297 | } | |
7298 | ||
da929335 AU |
7299 | if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) || |
7300 | pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) || | |
7301 | pending_find(MGMT_OP_SET_LE, hdev)) { | |
7302 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING, | |
7303 | MGMT_STATUS_BUSY); | |
7304 | goto unlock; | |
7305 | } | |
7306 | ||
7307 | if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) { | |
7308 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING, | |
7309 | MGMT_STATUS_INVALID_PARAMS); | |
7310 | goto unlock; | |
7311 | } | |
7312 | ||
01948331 | 7313 | hci_req_init(&req, hdev); |
da929335 | 7314 | |
01948331 | 7315 | clear_adv_instance(hdev, &req, cp->instance, true); |
da929335 | 7316 | |
01948331 FG |
7317 | if (list_empty(&hdev->adv_instances)) |
7318 | disable_advertising(&req); | |
da929335 | 7319 | |
01948331 FG |
7320 | /* If no HCI commands have been collected so far or the HCI_ADVERTISING |
7321 | * flag is set or the device isn't powered then we have no HCI | |
7322 | * communication to make. Simply return. | |
da929335 | 7323 | */ |
01948331 FG |
7324 | if (skb_queue_empty(&req.cmd_q) || |
7325 | !hdev_is_powered(hdev) || | |
da929335 | 7326 | hci_dev_test_flag(hdev, HCI_ADVERTISING)) { |
01948331 | 7327 | rp.instance = cp->instance; |
da929335 AU |
7328 | err = mgmt_cmd_complete(sk, hdev->id, |
7329 | MGMT_OP_REMOVE_ADVERTISING, | |
7330 | MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); | |
7331 | goto unlock; | |
7332 | } | |
7333 | ||
7334 | cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data, | |
7335 | data_len); | |
7336 | if (!cmd) { | |
7337 | err = -ENOMEM; | |
7338 | goto unlock; | |
7339 | } | |
7340 | ||
da929335 AU |
7341 | err = hci_req_run(&req, remove_advertising_complete); |
7342 | if (err < 0) | |
7343 | mgmt_pending_remove(cmd); | |
7344 | ||
7345 | unlock: | |
7346 | hci_dev_unlock(hdev); | |
7347 | ||
7348 | return err; | |
7349 | } | |
7350 | ||
6d785aa3 | 7351 | static const struct hci_mgmt_handler mgmt_handlers[] = { |
0f4e68cf | 7352 | { NULL }, /* 0x0000 (no command) */ |
b9a245fb | 7353 | { read_version, MGMT_READ_VERSION_SIZE, |
c91041dc MH |
7354 | HCI_MGMT_NO_HDEV | |
7355 | HCI_MGMT_UNTRUSTED }, | |
b9a245fb | 7356 | { read_commands, MGMT_READ_COMMANDS_SIZE, |
c91041dc MH |
7357 | HCI_MGMT_NO_HDEV | |
7358 | HCI_MGMT_UNTRUSTED }, | |
b9a245fb | 7359 | { read_index_list, MGMT_READ_INDEX_LIST_SIZE, |
c91041dc MH |
7360 | HCI_MGMT_NO_HDEV | |
7361 | HCI_MGMT_UNTRUSTED }, | |
7362 | { read_controller_info, MGMT_READ_INFO_SIZE, | |
7363 | HCI_MGMT_UNTRUSTED }, | |
7aea8616 MH |
7364 | { set_powered, MGMT_SETTING_SIZE }, |
7365 | { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE }, | |
7366 | { set_connectable, MGMT_SETTING_SIZE }, | |
7367 | { set_fast_connectable, MGMT_SETTING_SIZE }, | |
7368 | { set_bondable, MGMT_SETTING_SIZE }, | |
7369 | { set_link_security, MGMT_SETTING_SIZE }, | |
7370 | { set_ssp, MGMT_SETTING_SIZE }, | |
7371 | { set_hs, MGMT_SETTING_SIZE }, | |
7372 | { set_le, MGMT_SETTING_SIZE }, | |
7373 | { set_dev_class, MGMT_SET_DEV_CLASS_SIZE }, | |
7374 | { set_local_name, MGMT_SET_LOCAL_NAME_SIZE }, | |
7375 | { add_uuid, MGMT_ADD_UUID_SIZE }, | |
7376 | { remove_uuid, MGMT_REMOVE_UUID_SIZE }, | |
b9a245fb JH |
7377 | { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE, |
7378 | HCI_MGMT_VAR_LEN }, | |
7379 | { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE, | |
7380 | HCI_MGMT_VAR_LEN }, | |
7aea8616 MH |
7381 | { disconnect, MGMT_DISCONNECT_SIZE }, |
7382 | { get_connections, MGMT_GET_CONNECTIONS_SIZE }, | |
7383 | { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE }, | |
7384 | { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE }, | |
7385 | { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE }, | |
7386 | { pair_device, MGMT_PAIR_DEVICE_SIZE }, | |
7387 | { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE }, | |
7388 | { unpair_device, MGMT_UNPAIR_DEVICE_SIZE }, | |
7389 | { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE }, | |
7390 | { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE }, | |
7391 | { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE }, | |
7392 | { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE }, | |
b9a245fb JH |
7393 | { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE }, |
7394 | { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE, | |
7395 | HCI_MGMT_VAR_LEN }, | |
7aea8616 MH |
7396 | { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE }, |
7397 | { start_discovery, MGMT_START_DISCOVERY_SIZE }, | |
7398 | { stop_discovery, MGMT_STOP_DISCOVERY_SIZE }, | |
7399 | { confirm_name, MGMT_CONFIRM_NAME_SIZE }, | |
7400 | { block_device, MGMT_BLOCK_DEVICE_SIZE }, | |
7401 | { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE }, | |
7402 | { set_device_id, MGMT_SET_DEVICE_ID_SIZE }, | |
7403 | { set_advertising, MGMT_SETTING_SIZE }, | |
7404 | { set_bredr, MGMT_SETTING_SIZE }, | |
7405 | { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE }, | |
7406 | { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE }, | |
7407 | { set_secure_conn, MGMT_SETTING_SIZE }, | |
7408 | { set_debug_keys, MGMT_SETTING_SIZE }, | |
7409 | { set_privacy, MGMT_SET_PRIVACY_SIZE }, | |
b9a245fb JH |
7410 | { load_irks, MGMT_LOAD_IRKS_SIZE, |
7411 | HCI_MGMT_VAR_LEN }, | |
7aea8616 MH |
7412 | { get_conn_info, MGMT_GET_CONN_INFO_SIZE }, |
7413 | { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE }, | |
7414 | { add_device, MGMT_ADD_DEVICE_SIZE }, | |
7415 | { remove_device, MGMT_REMOVE_DEVICE_SIZE }, | |
b9a245fb JH |
7416 | { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE, |
7417 | HCI_MGMT_VAR_LEN }, | |
7418 | { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE, | |
c91041dc MH |
7419 | HCI_MGMT_NO_HDEV | |
7420 | HCI_MGMT_UNTRUSTED }, | |
b9a245fb | 7421 | { read_config_info, MGMT_READ_CONFIG_INFO_SIZE, |
c91041dc MH |
7422 | HCI_MGMT_UNCONFIGURED | |
7423 | HCI_MGMT_UNTRUSTED }, | |
b9a245fb JH |
7424 | { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE, |
7425 | HCI_MGMT_UNCONFIGURED }, | |
7426 | { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE, | |
7427 | HCI_MGMT_UNCONFIGURED }, | |
7428 | { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE, | |
7429 | HCI_MGMT_VAR_LEN }, | |
4f0f155c | 7430 | { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE }, |
96f1474a | 7431 | { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE, |
c91041dc MH |
7432 | HCI_MGMT_NO_HDEV | |
7433 | HCI_MGMT_UNTRUSTED }, | |
d3d5305b | 7434 | { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE }, |
24b4f38f AU |
7435 | { add_advertising, MGMT_ADD_ADVERTISING_SIZE, |
7436 | HCI_MGMT_VAR_LEN }, | |
da929335 | 7437 | { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE }, |
0f4e68cf JH |
7438 | }; |
7439 | ||
bf6b56db | 7440 | void mgmt_index_added(struct hci_dev *hdev) |
c71e97bf | 7441 | { |
ced85549 | 7442 | struct mgmt_ev_ext_index ev; |
bb4b2a9a | 7443 | |
0602a8ad MH |
7444 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) |
7445 | return; | |
7446 | ||
f9207338 MH |
7447 | switch (hdev->dev_type) { |
7448 | case HCI_BREDR: | |
7449 | if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) { | |
7450 | mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, | |
7451 | NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS); | |
ced85549 | 7452 | ev.type = 0x01; |
f9207338 MH |
7453 | } else { |
7454 | mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, | |
7455 | HCI_MGMT_INDEX_EVENTS); | |
ced85549 | 7456 | ev.type = 0x00; |
f9207338 MH |
7457 | } |
7458 | break; | |
ced85549 MH |
7459 | case HCI_AMP: |
7460 | ev.type = 0x02; | |
7461 | break; | |
7462 | default: | |
7463 | return; | |
f9207338 | 7464 | } |
ced85549 MH |
7465 | |
7466 | ev.bus = hdev->bus; | |
7467 | ||
7468 | mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev), | |
7469 | HCI_MGMT_EXT_INDEX_EVENTS); | |
c71e97bf JH |
7470 | } |
7471 | ||
bf6b56db | 7472 | void mgmt_index_removed(struct hci_dev *hdev) |
c71e97bf | 7473 | { |
ced85549 | 7474 | struct mgmt_ev_ext_index ev; |
5f159032 | 7475 | u8 status = MGMT_STATUS_INVALID_INDEX; |
b24752fe | 7476 | |
0602a8ad MH |
7477 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) |
7478 | return; | |
7479 | ||
f9207338 MH |
7480 | switch (hdev->dev_type) { |
7481 | case HCI_BREDR: | |
7482 | mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status); | |
b24752fe | 7483 | |
f9207338 MH |
7484 | if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) { |
7485 | mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, | |
7486 | NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS); | |
ced85549 | 7487 | ev.type = 0x01; |
f9207338 MH |
7488 | } else { |
7489 | mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, | |
7490 | HCI_MGMT_INDEX_EVENTS); | |
ced85549 | 7491 | ev.type = 0x00; |
f9207338 MH |
7492 | } |
7493 | break; | |
ced85549 MH |
7494 | case HCI_AMP: |
7495 | ev.type = 0x02; | |
7496 | break; | |
7497 | default: | |
7498 | return; | |
f9207338 | 7499 | } |
ced85549 MH |
7500 | |
7501 | ev.bus = hdev->bus; | |
7502 | ||
7503 | mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev), | |
7504 | HCI_MGMT_EXT_INDEX_EVENTS); | |
eec8d2bc JH |
7505 | } |
7506 | ||
6046dc3e | 7507 | /* This function requires the caller holds hdev->lock */ |
af02dd44 | 7508 | static void restart_le_actions(struct hci_dev *hdev) |
6046dc3e AG |
7509 | { |
7510 | struct hci_conn_params *p; | |
7511 | ||
7512 | list_for_each_entry(p, &hdev->le_conn_params, list) { | |
d7347f3c JH |
7513 | /* Needed for AUTO_OFF case where might not "really" |
7514 | * have been powered off. | |
7515 | */ | |
7516 | list_del_init(&p->action); | |
7517 | ||
7518 | switch (p->auto_connect) { | |
4b9e7e75 | 7519 | case HCI_AUTO_CONN_DIRECT: |
d7347f3c JH |
7520 | case HCI_AUTO_CONN_ALWAYS: |
7521 | list_add(&p->action, &hdev->pend_le_conns); | |
7522 | break; | |
7523 | case HCI_AUTO_CONN_REPORT: | |
7524 | list_add(&p->action, &hdev->pend_le_reports); | |
7525 | break; | |
7526 | default: | |
7527 | break; | |
c83ed19d | 7528 | } |
6046dc3e AG |
7529 | } |
7530 | } | |
7531 | ||
1904a853 | 7532 | static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
229ab39c JH |
7533 | { |
7534 | struct cmd_lookup match = { NULL, hdev }; | |
7535 | ||
7536 | BT_DBG("status 0x%02x", status); | |
7537 | ||
162a3bac MH |
7538 | if (!status) { |
7539 | /* Register the available SMP channels (BR/EDR and LE) only | |
7540 | * when successfully powering on the controller. This late | |
7541 | * registration is required so that LE SMP can clearly | |
7542 | * decide if the public address or static address is used. | |
7543 | */ | |
7544 | smp_register(hdev); | |
af02dd44 JH |
7545 | |
7546 | restart_le_actions(hdev); | |
7547 | hci_update_background_scan(hdev); | |
162a3bac MH |
7548 | } |
7549 | ||
229ab39c JH |
7550 | hci_dev_lock(hdev); |
7551 | ||
7552 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); | |
7553 | ||
7554 | new_settings(hdev, match.sk); | |
7555 | ||
7556 | hci_dev_unlock(hdev); | |
7557 | ||
7558 | if (match.sk) | |
7559 | sock_put(match.sk); | |
7560 | } | |
7561 | ||
70da6243 | 7562 | static int powered_update_hci(struct hci_dev *hdev) |
5add6af8 | 7563 | { |
890ea898 | 7564 | struct hci_request req; |
320b3bf7 | 7565 | struct adv_info *adv_instance; |
70da6243 | 7566 | u8 link_sec; |
5add6af8 | 7567 | |
890ea898 JH |
7568 | hci_req_init(&req, hdev); |
7569 | ||
d7a5a11d | 7570 | if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && |
70da6243 | 7571 | !lmp_host_ssp_capable(hdev)) { |
574ea3c7 | 7572 | u8 mode = 0x01; |
5e5282bb | 7573 | |
574ea3c7 MH |
7574 | hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode); |
7575 | ||
7576 | if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) { | |
7577 | u8 support = 0x01; | |
5add6af8 | 7578 | |
574ea3c7 MH |
7579 | hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, |
7580 | sizeof(support), &support); | |
7581 | } | |
ec6f99b8 JH |
7582 | } |
7583 | ||
d7a5a11d | 7584 | if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) && |
c73eee91 | 7585 | lmp_bredr_capable(hdev)) { |
70da6243 | 7586 | struct hci_cp_write_le_host_supported cp; |
f0ff92fb | 7587 | |
32226e4f MH |
7588 | cp.le = 0x01; |
7589 | cp.simul = 0x00; | |
3d1cbdd6 | 7590 | |
70da6243 JH |
7591 | /* Check first if we already have the right |
7592 | * host state (host features set) | |
7593 | */ | |
7594 | if (cp.le != lmp_host_le_capable(hdev) || | |
7595 | cp.simul != lmp_host_le_br_capable(hdev)) | |
890ea898 JH |
7596 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, |
7597 | sizeof(cp), &cp); | |
70da6243 | 7598 | } |
3d1cbdd6 | 7599 | |
d13eafce | 7600 | if (lmp_le_capable(hdev)) { |
441ad2d0 MH |
7601 | /* Make sure the controller has a good default for |
7602 | * advertising data. This also applies to the case | |
7603 | * where BR/EDR was toggled during the AUTO_OFF phase. | |
7604 | */ | |
320b3bf7 FG |
7605 | if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) && |
7606 | (hci_dev_test_flag(hdev, HCI_ADVERTISING) || | |
7607 | !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))) { | |
5947f4bc | 7608 | update_adv_data(&req); |
f14d8f64 MH |
7609 | update_scan_rsp_data(&req); |
7610 | } | |
441ad2d0 | 7611 | |
320b3bf7 FG |
7612 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) && |
7613 | hdev->cur_adv_instance == 0x00 && | |
7614 | !list_empty(&hdev->adv_instances)) { | |
7615 | adv_instance = list_first_entry(&hdev->adv_instances, | |
7616 | struct adv_info, list); | |
7617 | hdev->cur_adv_instance = adv_instance->instance; | |
7618 | } | |
7619 | ||
7620 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) | |
bba3aa55 | 7621 | enable_advertising(&req); |
320b3bf7 FG |
7622 | else if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) && |
7623 | hdev->cur_adv_instance) | |
7624 | schedule_adv_instance(&req, hdev->cur_adv_instance, | |
7625 | true); | |
eeca6f89 JH |
7626 | } |
7627 | ||
d7a5a11d | 7628 | link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY); |
70da6243 | 7629 | if (link_sec != test_bit(HCI_AUTH, &hdev->flags)) |
890ea898 JH |
7630 | hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE, |
7631 | sizeof(link_sec), &link_sec); | |
562fcc24 | 7632 | |
70da6243 | 7633 | if (lmp_bredr_capable(hdev)) { |
d7a5a11d | 7634 | if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) |
406ef2a6 JH |
7635 | write_fast_connectable(&req, true); |
7636 | else | |
7637 | write_fast_connectable(&req, false); | |
1d2dc5b7 | 7638 | __hci_update_page_scan(&req); |
890ea898 | 7639 | update_class(&req); |
13928971 | 7640 | update_name(&req); |
890ea898 | 7641 | update_eir(&req); |
70da6243 | 7642 | } |
562fcc24 | 7643 | |
229ab39c | 7644 | return hci_req_run(&req, powered_complete); |
70da6243 | 7645 | } |
562fcc24 | 7646 | |
70da6243 JH |
7647 | int mgmt_powered(struct hci_dev *hdev, u8 powered) |
7648 | { | |
7649 | struct cmd_lookup match = { NULL, hdev }; | |
9845904f | 7650 | u8 status, zero_cod[] = { 0, 0, 0 }; |
70da6243 | 7651 | int err; |
f0ff92fb | 7652 | |
d7a5a11d | 7653 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
70da6243 JH |
7654 | return 0; |
7655 | ||
70da6243 | 7656 | if (powered) { |
229ab39c JH |
7657 | if (powered_update_hci(hdev) == 0) |
7658 | return 0; | |
fe038884 | 7659 | |
229ab39c JH |
7660 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, |
7661 | &match); | |
7662 | goto new_settings; | |
b24752fe JH |
7663 | } |
7664 | ||
229ab39c | 7665 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); |
9845904f JH |
7666 | |
7667 | /* If the power off is because of hdev unregistration let | |
7668 | * use the appropriate INVALID_INDEX status. Otherwise use | |
7669 | * NOT_POWERED. We cover both scenarios here since later in | |
7670 | * mgmt_index_removed() any hci_conn callbacks will have already | |
7671 | * been triggered, potentially causing misleading DISCONNECTED | |
7672 | * status responses. | |
7673 | */ | |
d7a5a11d | 7674 | if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) |
9845904f JH |
7675 | status = MGMT_STATUS_INVALID_INDEX; |
7676 | else | |
7677 | status = MGMT_STATUS_NOT_POWERED; | |
7678 | ||
7679 | mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status); | |
229ab39c JH |
7680 | |
7681 | if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) | |
f6b7712e MH |
7682 | mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, |
7683 | zero_cod, sizeof(zero_cod), NULL); | |
229ab39c JH |
7684 | |
7685 | new_settings: | |
beadb2bd | 7686 | err = new_settings(hdev, match.sk); |
eec8d2bc JH |
7687 | |
7688 | if (match.sk) | |
7689 | sock_put(match.sk); | |
7690 | ||
7bb895d6 | 7691 | return err; |
5add6af8 | 7692 | } |
73f22f62 | 7693 | |
3eec705e | 7694 | void mgmt_set_powered_failed(struct hci_dev *hdev, int err) |
96570ffc | 7695 | { |
3b0602cd | 7696 | struct mgmt_pending_cmd *cmd; |
96570ffc JH |
7697 | u8 status; |
7698 | ||
333ae95d | 7699 | cmd = pending_find(MGMT_OP_SET_POWERED, hdev); |
96570ffc | 7700 | if (!cmd) |
3eec705e | 7701 | return; |
96570ffc JH |
7702 | |
7703 | if (err == -ERFKILL) | |
7704 | status = MGMT_STATUS_RFKILLED; | |
7705 | else | |
7706 | status = MGMT_STATUS_FAILED; | |
7707 | ||
a69e8375 | 7708 | mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status); |
96570ffc JH |
7709 | |
7710 | mgmt_pending_remove(cmd); | |
96570ffc JH |
7711 | } |
7712 | ||
d1967ff8 MH |
7713 | void mgmt_discoverable_timeout(struct hci_dev *hdev) |
7714 | { | |
7715 | struct hci_request req; | |
d1967ff8 MH |
7716 | |
7717 | hci_dev_lock(hdev); | |
7718 | ||
7719 | /* When discoverable timeout triggers, then just make sure | |
7720 | * the limited discoverable flag is cleared. Even in the case | |
7721 | * of a timeout triggered from general discoverable, it is | |
7722 | * safe to unconditionally clear the flag. | |
7723 | */ | |
a358dc11 MH |
7724 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
7725 | hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); | |
d1967ff8 MH |
7726 | |
7727 | hci_req_init(&req, hdev); | |
d7a5a11d | 7728 | if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
4b580614 JH |
7729 | u8 scan = SCAN_PAGE; |
7730 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, | |
7731 | sizeof(scan), &scan); | |
7732 | } | |
d1967ff8 | 7733 | update_class(&req); |
24b4f38f AU |
7734 | |
7735 | /* Advertising instances don't use the global discoverable setting, so | |
7736 | * only update AD if advertising was enabled using Set Advertising. | |
7737 | */ | |
7738 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) | |
7739 | update_adv_data(&req); | |
7740 | ||
d1967ff8 MH |
7741 | hci_req_run(&req, NULL); |
7742 | ||
7743 | hdev->discov_timeout = 0; | |
7744 | ||
9a43e25f JH |
7745 | new_settings(hdev, NULL); |
7746 | ||
d1967ff8 MH |
7747 | hci_dev_unlock(hdev); |
7748 | } | |
7749 | ||
dc4a5ee2 MH |
7750 | void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, |
7751 | bool persistent) | |
55ed8ca1 | 7752 | { |
86742e1e | 7753 | struct mgmt_ev_new_link_key ev; |
55ed8ca1 | 7754 | |
a492cd52 | 7755 | memset(&ev, 0, sizeof(ev)); |
55ed8ca1 | 7756 | |
a492cd52 | 7757 | ev.store_hint = persistent; |
d753fdc4 | 7758 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
591f47f3 | 7759 | ev.key.addr.type = BDADDR_BREDR; |
a492cd52 | 7760 | ev.key.type = key->type; |
9b3b4460 | 7761 | memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); |
a492cd52 | 7762 | ev.key.pin_len = key->pin_len; |
55ed8ca1 | 7763 | |
dc4a5ee2 | 7764 | mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); |
55ed8ca1 | 7765 | } |
f7520543 | 7766 | |
d7b25450 JH |
7767 | static u8 mgmt_ltk_type(struct smp_ltk *ltk) |
7768 | { | |
23fb8de3 JH |
7769 | switch (ltk->type) { |
7770 | case SMP_LTK: | |
7771 | case SMP_LTK_SLAVE: | |
7772 | if (ltk->authenticated) | |
7773 | return MGMT_LTK_AUTHENTICATED; | |
7774 | return MGMT_LTK_UNAUTHENTICATED; | |
7775 | case SMP_LTK_P256: | |
7776 | if (ltk->authenticated) | |
7777 | return MGMT_LTK_P256_AUTH; | |
7778 | return MGMT_LTK_P256_UNAUTH; | |
7779 | case SMP_LTK_P256_DEBUG: | |
7780 | return MGMT_LTK_P256_DEBUG; | |
7781 | } | |
d7b25450 JH |
7782 | |
7783 | return MGMT_LTK_UNAUTHENTICATED; | |
7784 | } | |
7785 | ||
53ac6ab6 | 7786 | void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent) |
346af67b VCG |
7787 | { |
7788 | struct mgmt_ev_new_long_term_key ev; | |
7789 | ||
7790 | memset(&ev, 0, sizeof(ev)); | |
7791 | ||
5192d301 | 7792 | /* Devices using resolvable or non-resolvable random addresses |
f72186d2 | 7793 | * without providing an identity resolving key don't require |
5192d301 MH |
7794 | * to store long term keys. Their addresses will change the |
7795 | * next time around. | |
7796 | * | |
7797 | * Only when a remote device provides an identity address | |
7798 | * make sure the long term key is stored. If the remote | |
7799 | * identity is known, the long term keys are internally | |
7800 | * mapped to the identity address. So allow static random | |
7801 | * and public addresses here. | |
7802 | */ | |
ba74b666 JH |
7803 | if (key->bdaddr_type == ADDR_LE_DEV_RANDOM && |
7804 | (key->bdaddr.b[5] & 0xc0) != 0xc0) | |
7805 | ev.store_hint = 0x00; | |
7806 | else | |
53ac6ab6 | 7807 | ev.store_hint = persistent; |
ba74b666 | 7808 | |
346af67b | 7809 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
57c1477c | 7810 | ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type); |
d7b25450 | 7811 | ev.key.type = mgmt_ltk_type(key); |
346af67b VCG |
7812 | ev.key.enc_size = key->enc_size; |
7813 | ev.key.ediv = key->ediv; | |
fe39c7b2 | 7814 | ev.key.rand = key->rand; |
346af67b | 7815 | |
2ceba539 | 7816 | if (key->type == SMP_LTK) |
346af67b VCG |
7817 | ev.key.master = 1; |
7818 | ||
1fc62c52 JH |
7819 | /* Make sure we copy only the significant bytes based on the |
7820 | * encryption key size, and set the rest of the value to zeroes. | |
7821 | */ | |
cb92205b | 7822 | memcpy(ev.key.val, key->val, key->enc_size); |
1fc62c52 JH |
7823 | memset(ev.key.val + key->enc_size, 0, |
7824 | sizeof(ev.key.val) - key->enc_size); | |
346af67b | 7825 | |
083368f7 | 7826 | mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL); |
346af67b VCG |
7827 | } |
7828 | ||
cad20c27 | 7829 | void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent) |
95fbac8a JH |
7830 | { |
7831 | struct mgmt_ev_new_irk ev; | |
7832 | ||
7833 | memset(&ev, 0, sizeof(ev)); | |
7834 | ||
cad20c27 | 7835 | ev.store_hint = persistent; |
bab6d1e5 | 7836 | |
95fbac8a JH |
7837 | bacpy(&ev.rpa, &irk->rpa); |
7838 | bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr); | |
7839 | ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type); | |
7840 | memcpy(ev.irk.val, irk->val, sizeof(irk->val)); | |
7841 | ||
7842 | mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL); | |
7843 | } | |
7844 | ||
53ac6ab6 MH |
7845 | void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, |
7846 | bool persistent) | |
7ee4ea36 MH |
7847 | { |
7848 | struct mgmt_ev_new_csrk ev; | |
7849 | ||
7850 | memset(&ev, 0, sizeof(ev)); | |
7851 | ||
7852 | /* Devices using resolvable or non-resolvable random addresses | |
f72186d2 | 7853 | * without providing an identity resolving key don't require |
7ee4ea36 MH |
7854 | * to store signature resolving keys. Their addresses will change |
7855 | * the next time around. | |
7856 | * | |
7857 | * Only when a remote device provides an identity address | |
7858 | * make sure the signature resolving key is stored. So allow | |
7859 | * static random and public addresses here. | |
7860 | */ | |
7861 | if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM && | |
7862 | (csrk->bdaddr.b[5] & 0xc0) != 0xc0) | |
7863 | ev.store_hint = 0x00; | |
7864 | else | |
53ac6ab6 | 7865 | ev.store_hint = persistent; |
7ee4ea36 MH |
7866 | |
7867 | bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr); | |
7868 | ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type); | |
4cd3928a | 7869 | ev.key.type = csrk->type; |
7ee4ea36 MH |
7870 | memcpy(ev.key.val, csrk->val, sizeof(csrk->val)); |
7871 | ||
7872 | mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL); | |
7873 | } | |
7874 | ||
ffb5a827 | 7875 | void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, |
f4869e2a JH |
7876 | u8 bdaddr_type, u8 store_hint, u16 min_interval, |
7877 | u16 max_interval, u16 latency, u16 timeout) | |
ffb5a827 AG |
7878 | { |
7879 | struct mgmt_ev_new_conn_param ev; | |
7880 | ||
c103aea6 JH |
7881 | if (!hci_is_identity_address(bdaddr, bdaddr_type)) |
7882 | return; | |
7883 | ||
ffb5a827 AG |
7884 | memset(&ev, 0, sizeof(ev)); |
7885 | bacpy(&ev.addr.bdaddr, bdaddr); | |
7886 | ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type); | |
f4869e2a | 7887 | ev.store_hint = store_hint; |
ffb5a827 AG |
7888 | ev.min_interval = cpu_to_le16(min_interval); |
7889 | ev.max_interval = cpu_to_le16(max_interval); | |
7890 | ev.latency = cpu_to_le16(latency); | |
7891 | ev.timeout = cpu_to_le16(timeout); | |
7892 | ||
7893 | mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL); | |
7894 | } | |
7895 | ||
48ec92fa AA |
7896 | void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, |
7897 | u32 flags, u8 *name, u8 name_len) | |
f7520543 | 7898 | { |
b644ba33 JH |
7899 | char buf[512]; |
7900 | struct mgmt_ev_device_connected *ev = (void *) buf; | |
7901 | u16 eir_len = 0; | |
f7520543 | 7902 | |
48ec92fa AA |
7903 | bacpy(&ev->addr.bdaddr, &conn->dst); |
7904 | ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
f7520543 | 7905 | |
c95f0ba7 | 7906 | ev->flags = __cpu_to_le32(flags); |
08c79b61 | 7907 | |
fd45ada9 AA |
7908 | /* We must ensure that the EIR Data fields are ordered and |
7909 | * unique. Keep it simple for now and avoid the problem by not | |
7910 | * adding any BR/EDR data to the LE adv. | |
7911 | */ | |
7912 | if (conn->le_adv_data_len > 0) { | |
7913 | memcpy(&ev->eir[eir_len], | |
7914 | conn->le_adv_data, conn->le_adv_data_len); | |
7915 | eir_len = conn->le_adv_data_len; | |
7916 | } else { | |
7917 | if (name_len > 0) | |
7918 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, | |
7919 | name, name_len); | |
b644ba33 | 7920 | |
ddbea5cf | 7921 | if (memcmp(conn->dev_class, "\0\0\0", 3) != 0) |
fd45ada9 AA |
7922 | eir_len = eir_append_data(ev->eir, eir_len, |
7923 | EIR_CLASS_OF_DEV, | |
7924 | conn->dev_class, 3); | |
7925 | } | |
b644ba33 | 7926 | |
eb55ef07 | 7927 | ev->eir_len = cpu_to_le16(eir_len); |
b644ba33 | 7928 | |
ecd90ae7 MH |
7929 | mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf, |
7930 | sizeof(*ev) + eir_len, NULL); | |
f7520543 JH |
7931 | } |
7932 | ||
3b0602cd | 7933 | static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data) |
8962ee74 | 7934 | { |
8962ee74 | 7935 | struct sock **sk = data; |
8962ee74 | 7936 | |
f5818c22 | 7937 | cmd->cmd_complete(cmd, 0); |
8962ee74 JH |
7938 | |
7939 | *sk = cmd->sk; | |
7940 | sock_hold(*sk); | |
7941 | ||
a664b5bc | 7942 | mgmt_pending_remove(cmd); |
8962ee74 JH |
7943 | } |
7944 | ||
3b0602cd | 7945 | static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data) |
a8a1d19e | 7946 | { |
b1078ad0 | 7947 | struct hci_dev *hdev = data; |
124f6e35 | 7948 | struct mgmt_cp_unpair_device *cp = cmd->param; |
a8a1d19e | 7949 | |
b1078ad0 JH |
7950 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk); |
7951 | ||
d8b7b1e4 | 7952 | cmd->cmd_complete(cmd, 0); |
a8a1d19e JH |
7953 | mgmt_pending_remove(cmd); |
7954 | } | |
7955 | ||
84c61d92 JH |
7956 | bool mgmt_powering_down(struct hci_dev *hdev) |
7957 | { | |
3b0602cd | 7958 | struct mgmt_pending_cmd *cmd; |
84c61d92 JH |
7959 | struct mgmt_mode *cp; |
7960 | ||
333ae95d | 7961 | cmd = pending_find(MGMT_OP_SET_POWERED, hdev); |
84c61d92 JH |
7962 | if (!cmd) |
7963 | return false; | |
7964 | ||
7965 | cp = cmd->param; | |
7966 | if (!cp->val) | |
7967 | return true; | |
7968 | ||
7969 | return false; | |
7970 | } | |
7971 | ||
9b80ec5e | 7972 | void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
12d4a3b2 JH |
7973 | u8 link_type, u8 addr_type, u8 reason, |
7974 | bool mgmt_connected) | |
f7520543 | 7975 | { |
f0d6a0ea | 7976 | struct mgmt_ev_device_disconnected ev; |
8962ee74 | 7977 | struct sock *sk = NULL; |
8962ee74 | 7978 | |
84c61d92 JH |
7979 | /* The connection is still in hci_conn_hash so test for 1 |
7980 | * instead of 0 to know if this is the last one. | |
7981 | */ | |
7982 | if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) { | |
7983 | cancel_delayed_work(&hdev->power_off); | |
7984 | queue_work(hdev->req_workqueue, &hdev->power_off.work); | |
8b064a3a JH |
7985 | } |
7986 | ||
12d4a3b2 JH |
7987 | if (!mgmt_connected) |
7988 | return; | |
7989 | ||
57eb776f AG |
7990 | if (link_type != ACL_LINK && link_type != LE_LINK) |
7991 | return; | |
7992 | ||
744cf19e | 7993 | mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); |
f7520543 | 7994 | |
f0d6a0ea MA |
7995 | bacpy(&ev.addr.bdaddr, bdaddr); |
7996 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
7997 | ev.reason = reason; | |
f7520543 | 7998 | |
9b80ec5e | 7999 | mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk); |
8962ee74 JH |
8000 | |
8001 | if (sk) | |
d97dcb66 | 8002 | sock_put(sk); |
8962ee74 | 8003 | |
124f6e35 | 8004 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
04124681 | 8005 | hdev); |
8962ee74 JH |
8006 | } |
8007 | ||
7892924c MH |
8008 | void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8009 | u8 link_type, u8 addr_type, u8 status) | |
8962ee74 | 8010 | { |
3655bba8 AG |
8011 | u8 bdaddr_type = link_to_bdaddr(link_type, addr_type); |
8012 | struct mgmt_cp_disconnect *cp; | |
3b0602cd | 8013 | struct mgmt_pending_cmd *cmd; |
8962ee74 | 8014 | |
36a75f1b JD |
8015 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
8016 | hdev); | |
8017 | ||
333ae95d | 8018 | cmd = pending_find(MGMT_OP_DISCONNECT, hdev); |
8962ee74 | 8019 | if (!cmd) |
7892924c | 8020 | return; |
8962ee74 | 8021 | |
3655bba8 AG |
8022 | cp = cmd->param; |
8023 | ||
8024 | if (bacmp(bdaddr, &cp->addr.bdaddr)) | |
8025 | return; | |
8026 | ||
8027 | if (cp->addr.type != bdaddr_type) | |
8028 | return; | |
8029 | ||
f5818c22 | 8030 | cmd->cmd_complete(cmd, mgmt_status(status)); |
a664b5bc | 8031 | mgmt_pending_remove(cmd); |
f7520543 | 8032 | } |
17d5c04c | 8033 | |
445608d0 MH |
8034 | void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
8035 | u8 addr_type, u8 status) | |
17d5c04c JH |
8036 | { |
8037 | struct mgmt_ev_connect_failed ev; | |
c9910d0f | 8038 | |
84c61d92 JH |
8039 | /* The connection is still in hci_conn_hash so test for 1 |
8040 | * instead of 0 to know if this is the last one. | |
8041 | */ | |
8042 | if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) { | |
8043 | cancel_delayed_work(&hdev->power_off); | |
8044 | queue_work(hdev->req_workqueue, &hdev->power_off.work); | |
c9910d0f | 8045 | } |
17d5c04c | 8046 | |
4c659c39 | 8047 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 8048 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
ca69b795 | 8049 | ev.status = mgmt_status(status); |
17d5c04c | 8050 | |
445608d0 | 8051 | mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); |
17d5c04c | 8052 | } |
980e1a53 | 8053 | |
ce0e4a0d | 8054 | void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) |
980e1a53 JH |
8055 | { |
8056 | struct mgmt_ev_pin_code_request ev; | |
8057 | ||
d8457698 | 8058 | bacpy(&ev.addr.bdaddr, bdaddr); |
591f47f3 | 8059 | ev.addr.type = BDADDR_BREDR; |
a770bb5a | 8060 | ev.secure = secure; |
980e1a53 | 8061 | |
ce0e4a0d | 8062 | mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL); |
980e1a53 JH |
8063 | } |
8064 | ||
e669cf80 MH |
8065 | void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8066 | u8 status) | |
980e1a53 | 8067 | { |
3b0602cd | 8068 | struct mgmt_pending_cmd *cmd; |
980e1a53 | 8069 | |
333ae95d | 8070 | cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev); |
980e1a53 | 8071 | if (!cmd) |
e669cf80 | 8072 | return; |
980e1a53 | 8073 | |
7776d1d8 | 8074 | cmd->cmd_complete(cmd, mgmt_status(status)); |
a664b5bc | 8075 | mgmt_pending_remove(cmd); |
980e1a53 JH |
8076 | } |
8077 | ||
3eb38528 MH |
8078 | void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8079 | u8 status) | |
980e1a53 | 8080 | { |
3b0602cd | 8081 | struct mgmt_pending_cmd *cmd; |
980e1a53 | 8082 | |
333ae95d | 8083 | cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev); |
980e1a53 | 8084 | if (!cmd) |
3eb38528 | 8085 | return; |
980e1a53 | 8086 | |
7776d1d8 | 8087 | cmd->cmd_complete(cmd, mgmt_status(status)); |
a664b5bc | 8088 | mgmt_pending_remove(cmd); |
980e1a53 | 8089 | } |
a5c29683 | 8090 | |
744cf19e | 8091 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
39adbffe | 8092 | u8 link_type, u8 addr_type, u32 value, |
04124681 | 8093 | u8 confirm_hint) |
a5c29683 JH |
8094 | { |
8095 | struct mgmt_ev_user_confirm_request ev; | |
8096 | ||
744cf19e | 8097 | BT_DBG("%s", hdev->name); |
a5c29683 | 8098 | |
272d90df | 8099 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 8100 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
55bc1a37 | 8101 | ev.confirm_hint = confirm_hint; |
39adbffe | 8102 | ev.value = cpu_to_le32(value); |
a5c29683 | 8103 | |
744cf19e | 8104 | return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev), |
04124681 | 8105 | NULL); |
a5c29683 JH |
8106 | } |
8107 | ||
272d90df | 8108 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8ce8e2b5 | 8109 | u8 link_type, u8 addr_type) |
604086b7 BG |
8110 | { |
8111 | struct mgmt_ev_user_passkey_request ev; | |
8112 | ||
8113 | BT_DBG("%s", hdev->name); | |
8114 | ||
272d90df | 8115 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 8116 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
604086b7 BG |
8117 | |
8118 | return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev), | |
04124681 | 8119 | NULL); |
604086b7 BG |
8120 | } |
8121 | ||
0df4c185 | 8122 | static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8ce8e2b5 GP |
8123 | u8 link_type, u8 addr_type, u8 status, |
8124 | u8 opcode) | |
a5c29683 | 8125 | { |
3b0602cd | 8126 | struct mgmt_pending_cmd *cmd; |
a5c29683 | 8127 | |
333ae95d | 8128 | cmd = pending_find(opcode, hdev); |
a5c29683 JH |
8129 | if (!cmd) |
8130 | return -ENOENT; | |
8131 | ||
7776d1d8 | 8132 | cmd->cmd_complete(cmd, mgmt_status(status)); |
a664b5bc | 8133 | mgmt_pending_remove(cmd); |
a5c29683 | 8134 | |
7776d1d8 | 8135 | return 0; |
a5c29683 JH |
8136 | } |
8137 | ||
744cf19e | 8138 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 8139 | u8 link_type, u8 addr_type, u8 status) |
a5c29683 | 8140 | { |
272d90df | 8141 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
04124681 | 8142 | status, MGMT_OP_USER_CONFIRM_REPLY); |
a5c29683 JH |
8143 | } |
8144 | ||
272d90df | 8145 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 8146 | u8 link_type, u8 addr_type, u8 status) |
a5c29683 | 8147 | { |
272d90df | 8148 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
8fc9ced3 GP |
8149 | status, |
8150 | MGMT_OP_USER_CONFIRM_NEG_REPLY); | |
a5c29683 | 8151 | } |
2a611692 | 8152 | |
604086b7 | 8153 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 8154 | u8 link_type, u8 addr_type, u8 status) |
604086b7 | 8155 | { |
272d90df | 8156 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
04124681 | 8157 | status, MGMT_OP_USER_PASSKEY_REPLY); |
604086b7 BG |
8158 | } |
8159 | ||
272d90df | 8160 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 8161 | u8 link_type, u8 addr_type, u8 status) |
604086b7 | 8162 | { |
272d90df | 8163 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
8fc9ced3 GP |
8164 | status, |
8165 | MGMT_OP_USER_PASSKEY_NEG_REPLY); | |
604086b7 BG |
8166 | } |
8167 | ||
92a25256 JH |
8168 | int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8169 | u8 link_type, u8 addr_type, u32 passkey, | |
8170 | u8 entered) | |
8171 | { | |
8172 | struct mgmt_ev_passkey_notify ev; | |
8173 | ||
8174 | BT_DBG("%s", hdev->name); | |
8175 | ||
8176 | bacpy(&ev.addr.bdaddr, bdaddr); | |
8177 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
8178 | ev.passkey = __cpu_to_le32(passkey); | |
8179 | ev.entered = entered; | |
8180 | ||
8181 | return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL); | |
8182 | } | |
8183 | ||
e1e930f5 | 8184 | void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status) |
2a611692 JH |
8185 | { |
8186 | struct mgmt_ev_auth_failed ev; | |
3b0602cd | 8187 | struct mgmt_pending_cmd *cmd; |
e1e930f5 | 8188 | u8 status = mgmt_status(hci_status); |
2a611692 | 8189 | |
e1e930f5 JH |
8190 | bacpy(&ev.addr.bdaddr, &conn->dst); |
8191 | ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
8192 | ev.status = status; | |
2a611692 | 8193 | |
e1e930f5 JH |
8194 | cmd = find_pairing(conn); |
8195 | ||
8196 | mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev), | |
8197 | cmd ? cmd->sk : NULL); | |
8198 | ||
a511b35b JH |
8199 | if (cmd) { |
8200 | cmd->cmd_complete(cmd, status); | |
8201 | mgmt_pending_remove(cmd); | |
8202 | } | |
2a611692 | 8203 | } |
b312b161 | 8204 | |
464996ae | 8205 | void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) |
33ef95ed JH |
8206 | { |
8207 | struct cmd_lookup match = { NULL, hdev }; | |
464996ae | 8208 | bool changed; |
33ef95ed JH |
8209 | |
8210 | if (status) { | |
8211 | u8 mgmt_err = mgmt_status(status); | |
8212 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, | |
04124681 | 8213 | cmd_status_rsp, &mgmt_err); |
464996ae | 8214 | return; |
33ef95ed JH |
8215 | } |
8216 | ||
464996ae | 8217 | if (test_bit(HCI_AUTH, &hdev->flags)) |
238be788 | 8218 | changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY); |
464996ae | 8219 | else |
a69d8927 | 8220 | changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY); |
47990ea0 | 8221 | |
33ef95ed | 8222 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp, |
04124681 | 8223 | &match); |
33ef95ed | 8224 | |
47990ea0 | 8225 | if (changed) |
464996ae | 8226 | new_settings(hdev, match.sk); |
33ef95ed JH |
8227 | |
8228 | if (match.sk) | |
8229 | sock_put(match.sk); | |
33ef95ed JH |
8230 | } |
8231 | ||
890ea898 | 8232 | static void clear_eir(struct hci_request *req) |
cacaf52f | 8233 | { |
890ea898 | 8234 | struct hci_dev *hdev = req->hdev; |
cacaf52f JH |
8235 | struct hci_cp_write_eir cp; |
8236 | ||
976eb20e | 8237 | if (!lmp_ext_inq_capable(hdev)) |
890ea898 | 8238 | return; |
cacaf52f | 8239 | |
c80da27e JH |
8240 | memset(hdev->eir, 0, sizeof(hdev->eir)); |
8241 | ||
cacaf52f JH |
8242 | memset(&cp, 0, sizeof(cp)); |
8243 | ||
890ea898 | 8244 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); |
cacaf52f JH |
8245 | } |
8246 | ||
3e248560 | 8247 | void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) |
ed2c4ee3 JH |
8248 | { |
8249 | struct cmd_lookup match = { NULL, hdev }; | |
890ea898 | 8250 | struct hci_request req; |
c0ecddc2 | 8251 | bool changed = false; |
ed2c4ee3 JH |
8252 | |
8253 | if (status) { | |
8254 | u8 mgmt_err = mgmt_status(status); | |
c0ecddc2 | 8255 | |
a69d8927 MH |
8256 | if (enable && hci_dev_test_and_clear_flag(hdev, |
8257 | HCI_SSP_ENABLED)) { | |
a358dc11 | 8258 | hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
3e248560 | 8259 | new_settings(hdev, NULL); |
9ecb3e24 | 8260 | } |
c0ecddc2 | 8261 | |
04124681 GP |
8262 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp, |
8263 | &mgmt_err); | |
3e248560 | 8264 | return; |
c0ecddc2 JH |
8265 | } |
8266 | ||
8267 | if (enable) { | |
238be788 | 8268 | changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED); |
c0ecddc2 | 8269 | } else { |
a69d8927 | 8270 | changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED); |
9ecb3e24 | 8271 | if (!changed) |
a69d8927 MH |
8272 | changed = hci_dev_test_and_clear_flag(hdev, |
8273 | HCI_HS_ENABLED); | |
9ecb3e24 | 8274 | else |
a358dc11 | 8275 | hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
ed2c4ee3 JH |
8276 | } |
8277 | ||
8278 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match); | |
8279 | ||
c0ecddc2 | 8280 | if (changed) |
3e248560 | 8281 | new_settings(hdev, match.sk); |
ed2c4ee3 | 8282 | |
5fc6ebb1 | 8283 | if (match.sk) |
ed2c4ee3 JH |
8284 | sock_put(match.sk); |
8285 | ||
890ea898 JH |
8286 | hci_req_init(&req, hdev); |
8287 | ||
d7a5a11d MH |
8288 | if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
8289 | if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) | |
3769972b JH |
8290 | hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE, |
8291 | sizeof(enable), &enable); | |
890ea898 | 8292 | update_eir(&req); |
3769972b | 8293 | } else { |
890ea898 | 8294 | clear_eir(&req); |
3769972b | 8295 | } |
890ea898 JH |
8296 | |
8297 | hci_req_run(&req, NULL); | |
ed2c4ee3 JH |
8298 | } |
8299 | ||
3b0602cd | 8300 | static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data) |
90e70454 JH |
8301 | { |
8302 | struct cmd_lookup *match = data; | |
8303 | ||
90e70454 JH |
8304 | if (match->sk == NULL) { |
8305 | match->sk = cmd->sk; | |
8306 | sock_hold(match->sk); | |
8307 | } | |
90e70454 JH |
8308 | } |
8309 | ||
4e1b0245 MH |
8310 | void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
8311 | u8 status) | |
7f9a903c | 8312 | { |
90e70454 | 8313 | struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; |
7f9a903c | 8314 | |
92da6097 JH |
8315 | mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match); |
8316 | mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match); | |
8317 | mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match); | |
90e70454 JH |
8318 | |
8319 | if (!status) | |
f6b7712e MH |
8320 | mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, |
8321 | dev_class, 3, NULL); | |
90e70454 JH |
8322 | |
8323 | if (match.sk) | |
8324 | sock_put(match.sk); | |
7f9a903c MH |
8325 | } |
8326 | ||
7667da34 | 8327 | void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) |
b312b161 | 8328 | { |
b312b161 | 8329 | struct mgmt_cp_set_local_name ev; |
3b0602cd | 8330 | struct mgmt_pending_cmd *cmd; |
28cc7bde | 8331 | |
13928971 | 8332 | if (status) |
7667da34 | 8333 | return; |
b312b161 JH |
8334 | |
8335 | memset(&ev, 0, sizeof(ev)); | |
8336 | memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); | |
28cc7bde | 8337 | memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH); |
b312b161 | 8338 | |
333ae95d | 8339 | cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); |
13928971 JH |
8340 | if (!cmd) { |
8341 | memcpy(hdev->dev_name, name, sizeof(hdev->dev_name)); | |
28cc7bde | 8342 | |
13928971 JH |
8343 | /* If this is a HCI command related to powering on the |
8344 | * HCI dev don't send any mgmt signals. | |
8345 | */ | |
333ae95d | 8346 | if (pending_find(MGMT_OP_SET_POWERED, hdev)) |
7667da34 | 8347 | return; |
890ea898 | 8348 | } |
b312b161 | 8349 | |
f6b7712e MH |
8350 | mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), |
8351 | cmd ? cmd->sk : NULL); | |
b312b161 | 8352 | } |
c35938b2 | 8353 | |
799ce93d JP |
8354 | static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16]) |
8355 | { | |
8356 | int i; | |
8357 | ||
8358 | for (i = 0; i < uuid_count; i++) { | |
8359 | if (!memcmp(uuid, uuids[i], 16)) | |
8360 | return true; | |
8361 | } | |
8362 | ||
8363 | return false; | |
8364 | } | |
8365 | ||
b487b9ce MH |
8366 | static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16]) |
8367 | { | |
799ce93d JP |
8368 | u16 parsed = 0; |
8369 | ||
8370 | while (parsed < eir_len) { | |
8371 | u8 field_len = eir[0]; | |
8372 | u8 uuid[16]; | |
8373 | int i; | |
8374 | ||
8375 | if (field_len == 0) | |
8376 | break; | |
8377 | ||
8378 | if (eir_len - parsed < field_len + 1) | |
8379 | break; | |
8380 | ||
8381 | switch (eir[1]) { | |
8382 | case EIR_UUID16_ALL: | |
8383 | case EIR_UUID16_SOME: | |
8384 | for (i = 0; i + 3 <= field_len; i += 2) { | |
189f6ad2 | 8385 | memcpy(uuid, bluetooth_base_uuid, 16); |
799ce93d JP |
8386 | uuid[13] = eir[i + 3]; |
8387 | uuid[12] = eir[i + 2]; | |
8388 | if (has_uuid(uuid, uuid_count, uuids)) | |
8389 | return true; | |
8390 | } | |
8391 | break; | |
8392 | case EIR_UUID32_ALL: | |
8393 | case EIR_UUID32_SOME: | |
8394 | for (i = 0; i + 5 <= field_len; i += 4) { | |
189f6ad2 | 8395 | memcpy(uuid, bluetooth_base_uuid, 16); |
799ce93d JP |
8396 | uuid[15] = eir[i + 5]; |
8397 | uuid[14] = eir[i + 4]; | |
8398 | uuid[13] = eir[i + 3]; | |
8399 | uuid[12] = eir[i + 2]; | |
8400 | if (has_uuid(uuid, uuid_count, uuids)) | |
8401 | return true; | |
8402 | } | |
8403 | break; | |
8404 | case EIR_UUID128_ALL: | |
8405 | case EIR_UUID128_SOME: | |
8406 | for (i = 0; i + 17 <= field_len; i += 16) { | |
8407 | memcpy(uuid, eir + i + 2, 16); | |
8408 | if (has_uuid(uuid, uuid_count, uuids)) | |
8409 | return true; | |
8410 | } | |
8411 | break; | |
8412 | } | |
8413 | ||
8414 | parsed += field_len + 1; | |
8415 | eir += field_len + 1; | |
8416 | } | |
8417 | ||
b487b9ce MH |
8418 | return false; |
8419 | } | |
8420 | ||
4b0e0ced JP |
8421 | static void restart_le_scan(struct hci_dev *hdev) |
8422 | { | |
8423 | /* If controller is not scanning we are done. */ | |
d7a5a11d | 8424 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN)) |
4b0e0ced JP |
8425 | return; |
8426 | ||
8427 | if (time_after(jiffies + DISCOV_LE_RESTART_DELAY, | |
8428 | hdev->discovery.scan_start + | |
8429 | hdev->discovery.scan_duration)) | |
8430 | return; | |
8431 | ||
7c1fbed2 | 8432 | queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_restart, |
4b0e0ced JP |
8433 | DISCOV_LE_RESTART_DELAY); |
8434 | } | |
8435 | ||
48f86b7f JP |
8436 | static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir, |
8437 | u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len) | |
e17acd40 | 8438 | { |
48f86b7f JP |
8439 | /* If a RSSI threshold has been specified, and |
8440 | * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with | |
8441 | * a RSSI smaller than the RSSI threshold will be dropped. If the quirk | |
8442 | * is set, let it through for further processing, as we might need to | |
8443 | * restart the scan. | |
efb2513f MH |
8444 | * |
8445 | * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry, | |
8446 | * the results are also dropped. | |
bda157a4 MH |
8447 | */ |
8448 | if (hdev->discovery.rssi != HCI_RSSI_INVALID && | |
4b0e0ced JP |
8449 | (rssi == HCI_RSSI_INVALID || |
8450 | (rssi < hdev->discovery.rssi && | |
8451 | !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)))) | |
48f86b7f | 8452 | return false; |
efb2513f | 8453 | |
2976cdeb JP |
8454 | if (hdev->discovery.uuid_count != 0) { |
8455 | /* If a list of UUIDs is provided in filter, results with no | |
8456 | * matching UUID should be dropped. | |
b487b9ce | 8457 | */ |
2976cdeb JP |
8458 | if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count, |
8459 | hdev->discovery.uuids) && | |
8460 | !eir_has_uuids(scan_rsp, scan_rsp_len, | |
8461 | hdev->discovery.uuid_count, | |
8462 | hdev->discovery.uuids)) | |
8463 | return false; | |
b487b9ce | 8464 | } |
5d2e9fad | 8465 | |
2976cdeb JP |
8466 | /* If duplicate filtering does not report RSSI changes, then restart |
8467 | * scanning to ensure updated result with updated RSSI values. | |
4b0e0ced | 8468 | */ |
2976cdeb JP |
8469 | if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) { |
8470 | restart_le_scan(hdev); | |
8471 | ||
8472 | /* Validate RSSI value against the RSSI threshold once more. */ | |
8473 | if (hdev->discovery.rssi != HCI_RSSI_INVALID && | |
8474 | rssi < hdev->discovery.rssi) | |
8475 | return false; | |
8476 | } | |
48f86b7f JP |
8477 | |
8478 | return true; | |
8479 | } | |
8480 | ||
8481 | void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
8482 | u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, | |
8483 | u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len) | |
8484 | { | |
8485 | char buf[512]; | |
8486 | struct mgmt_ev_device_found *ev = (void *)buf; | |
8487 | size_t ev_size; | |
8488 | ||
8489 | /* Don't send events for a non-kernel initiated discovery. With | |
8490 | * LE one exception is if we have pend_le_reports > 0 in which | |
8491 | * case we're doing passive scanning and want these events. | |
8492 | */ | |
8493 | if (!hci_discovery_active(hdev)) { | |
8494 | if (link_type == ACL_LINK) | |
8495 | return; | |
8496 | if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports)) | |
8497 | return; | |
8498 | } | |
8499 | ||
82f8b651 | 8500 | if (hdev->discovery.result_filtering) { |
48f86b7f JP |
8501 | /* We are using service discovery */ |
8502 | if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp, | |
8503 | scan_rsp_len)) | |
8504 | return; | |
8505 | } | |
8506 | ||
8507 | /* Make sure that the buffer is big enough. The 5 extra bytes | |
8508 | * are for the potential CoD field. | |
8509 | */ | |
8510 | if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf)) | |
4b0e0ced JP |
8511 | return; |
8512 | ||
48f86b7f JP |
8513 | memset(buf, 0, sizeof(buf)); |
8514 | ||
8515 | /* In case of device discovery with BR/EDR devices (pre 1.2), the | |
8516 | * RSSI value was reported as 0 when not available. This behavior | |
8517 | * is kept when using device discovery. This is required for full | |
8518 | * backwards compatibility with the API. | |
8519 | * | |
8520 | * However when using service discovery, the value 127 will be | |
8521 | * returned when the RSSI is not available. | |
8522 | */ | |
8523 | if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi && | |
8524 | link_type == ACL_LINK) | |
8525 | rssi = 0; | |
8526 | ||
8527 | bacpy(&ev->addr.bdaddr, bdaddr); | |
8528 | ev->addr.type = link_to_bdaddr(link_type, addr_type); | |
8529 | ev->rssi = rssi; | |
8530 | ev->flags = cpu_to_le32(flags); | |
8531 | ||
8532 | if (eir_len > 0) | |
8533 | /* Copy EIR or advertising data into event */ | |
8534 | memcpy(ev->eir, eir, eir_len); | |
8535 | ||
8536 | if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV)) | |
8537 | eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV, | |
8538 | dev_class, 3); | |
8539 | ||
8540 | if (scan_rsp_len > 0) | |
8541 | /* Append scan response data to event */ | |
8542 | memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len); | |
8543 | ||
5d2e9fad JH |
8544 | ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len); |
8545 | ev_size = sizeof(*ev) + eir_len + scan_rsp_len; | |
f8523598 | 8546 | |
901801b9 | 8547 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); |
e17acd40 | 8548 | } |
a88a9652 | 8549 | |
9cf12aee MH |
8550 | void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
8551 | u8 addr_type, s8 rssi, u8 *name, u8 name_len) | |
a88a9652 | 8552 | { |
b644ba33 JH |
8553 | struct mgmt_ev_device_found *ev; |
8554 | char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2]; | |
8555 | u16 eir_len; | |
a88a9652 | 8556 | |
b644ba33 | 8557 | ev = (struct mgmt_ev_device_found *) buf; |
a88a9652 | 8558 | |
b644ba33 JH |
8559 | memset(buf, 0, sizeof(buf)); |
8560 | ||
8561 | bacpy(&ev->addr.bdaddr, bdaddr); | |
57c1477c | 8562 | ev->addr.type = link_to_bdaddr(link_type, addr_type); |
b644ba33 JH |
8563 | ev->rssi = rssi; |
8564 | ||
8565 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name, | |
04124681 | 8566 | name_len); |
b644ba33 | 8567 | |
eb55ef07 | 8568 | ev->eir_len = cpu_to_le16(eir_len); |
a88a9652 | 8569 | |
9cf12aee | 8570 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL); |
a88a9652 | 8571 | } |
314b2381 | 8572 | |
2f1e063b | 8573 | void mgmt_discovering(struct hci_dev *hdev, u8 discovering) |
314b2381 | 8574 | { |
f963e8e9 | 8575 | struct mgmt_ev_discovering ev; |
164a6e78 | 8576 | |
343fb145 AG |
8577 | BT_DBG("%s discovering %u", hdev->name, discovering); |
8578 | ||
f963e8e9 JH |
8579 | memset(&ev, 0, sizeof(ev)); |
8580 | ev.type = hdev->discovery.type; | |
8581 | ev.discovering = discovering; | |
8582 | ||
2f1e063b | 8583 | mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL); |
314b2381 | 8584 | } |
5e762444 | 8585 | |
1904a853 | 8586 | static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
5976e608 MH |
8587 | { |
8588 | BT_DBG("%s status %u", hdev->name, status); | |
5976e608 MH |
8589 | } |
8590 | ||
8591 | void mgmt_reenable_advertising(struct hci_dev *hdev) | |
8592 | { | |
8593 | struct hci_request req; | |
eb6f95f9 | 8594 | u8 instance; |
5976e608 | 8595 | |
24b4f38f AU |
8596 | if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) && |
8597 | !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) | |
5976e608 MH |
8598 | return; |
8599 | ||
eb6f95f9 FG |
8600 | instance = get_current_adv_instance(hdev); |
8601 | ||
5976e608 | 8602 | hci_req_init(&req, hdev); |
eb6f95f9 FG |
8603 | |
8604 | if (instance) { | |
8605 | schedule_adv_instance(&req, instance, true); | |
8606 | } else { | |
8607 | update_adv_data(&req); | |
8608 | update_scan_rsp_data(&req); | |
8609 | enable_advertising(&req); | |
8610 | } | |
8611 | ||
0ec5ae84 | 8612 | hci_req_run(&req, adv_enable_complete); |
5976e608 | 8613 | } |
6d785aa3 JH |
8614 | |
8615 | static struct hci_mgmt_chan chan = { | |
8616 | .channel = HCI_CHANNEL_CONTROL, | |
8617 | .handler_count = ARRAY_SIZE(mgmt_handlers), | |
8618 | .handlers = mgmt_handlers, | |
88b94ce9 | 8619 | .hdev_init = mgmt_init_hdev, |
6d785aa3 JH |
8620 | }; |
8621 | ||
8622 | int mgmt_init(void) | |
8623 | { | |
8624 | return hci_mgmt_chan_register(&chan); | |
8625 | } | |
8626 | ||
8627 | void mgmt_exit(void) | |
8628 | { | |
8629 | hci_mgmt_chan_unregister(&chan); | |
8630 | } |