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> | |
4bc58f51 | 32 | #include <net/bluetooth/l2cap.h> |
0381101f | 33 | #include <net/bluetooth/mgmt.h> |
ac4b7236 MH |
34 | |
35 | #include "smp.h" | |
0381101f | 36 | |
2da9c55c | 37 | #define MGMT_VERSION 1 |
730f091b | 38 | #define MGMT_REVISION 7 |
02d98129 | 39 | |
e70bb2e8 JH |
40 | static const u16 mgmt_commands[] = { |
41 | MGMT_OP_READ_INDEX_LIST, | |
42 | MGMT_OP_READ_INFO, | |
43 | MGMT_OP_SET_POWERED, | |
44 | MGMT_OP_SET_DISCOVERABLE, | |
45 | MGMT_OP_SET_CONNECTABLE, | |
46 | MGMT_OP_SET_FAST_CONNECTABLE, | |
47 | MGMT_OP_SET_PAIRABLE, | |
48 | MGMT_OP_SET_LINK_SECURITY, | |
49 | MGMT_OP_SET_SSP, | |
50 | MGMT_OP_SET_HS, | |
51 | MGMT_OP_SET_LE, | |
52 | MGMT_OP_SET_DEV_CLASS, | |
53 | MGMT_OP_SET_LOCAL_NAME, | |
54 | MGMT_OP_ADD_UUID, | |
55 | MGMT_OP_REMOVE_UUID, | |
56 | MGMT_OP_LOAD_LINK_KEYS, | |
57 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
58 | MGMT_OP_DISCONNECT, | |
59 | MGMT_OP_GET_CONNECTIONS, | |
60 | MGMT_OP_PIN_CODE_REPLY, | |
61 | MGMT_OP_PIN_CODE_NEG_REPLY, | |
62 | MGMT_OP_SET_IO_CAPABILITY, | |
63 | MGMT_OP_PAIR_DEVICE, | |
64 | MGMT_OP_CANCEL_PAIR_DEVICE, | |
65 | MGMT_OP_UNPAIR_DEVICE, | |
66 | MGMT_OP_USER_CONFIRM_REPLY, | |
67 | MGMT_OP_USER_CONFIRM_NEG_REPLY, | |
68 | MGMT_OP_USER_PASSKEY_REPLY, | |
69 | MGMT_OP_USER_PASSKEY_NEG_REPLY, | |
70 | MGMT_OP_READ_LOCAL_OOB_DATA, | |
71 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
72 | MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
73 | MGMT_OP_START_DISCOVERY, | |
74 | MGMT_OP_STOP_DISCOVERY, | |
75 | MGMT_OP_CONFIRM_NAME, | |
76 | MGMT_OP_BLOCK_DEVICE, | |
77 | MGMT_OP_UNBLOCK_DEVICE, | |
cdbaccca | 78 | MGMT_OP_SET_DEVICE_ID, |
4375f103 | 79 | MGMT_OP_SET_ADVERTISING, |
0663ca2a | 80 | MGMT_OP_SET_BREDR, |
d13eafce | 81 | MGMT_OP_SET_STATIC_ADDRESS, |
7f72134e | 82 | MGMT_OP_SET_SCAN_PARAMS, |
e98d2ce2 | 83 | MGMT_OP_SET_SECURE_CONN, |
4e39ac81 | 84 | MGMT_OP_SET_DEBUG_KEYS, |
62b04cd1 | 85 | MGMT_OP_SET_PRIVACY, |
41edf160 | 86 | MGMT_OP_LOAD_IRKS, |
dd983808 | 87 | MGMT_OP_GET_CONN_INFO, |
95868426 | 88 | MGMT_OP_GET_CLOCK_INFO, |
2faade53 MH |
89 | MGMT_OP_ADD_DEVICE, |
90 | MGMT_OP_REMOVE_DEVICE, | |
e70bb2e8 JH |
91 | }; |
92 | ||
93 | static const u16 mgmt_events[] = { | |
94 | MGMT_EV_CONTROLLER_ERROR, | |
95 | MGMT_EV_INDEX_ADDED, | |
96 | MGMT_EV_INDEX_REMOVED, | |
97 | MGMT_EV_NEW_SETTINGS, | |
98 | MGMT_EV_CLASS_OF_DEV_CHANGED, | |
99 | MGMT_EV_LOCAL_NAME_CHANGED, | |
100 | MGMT_EV_NEW_LINK_KEY, | |
101 | MGMT_EV_NEW_LONG_TERM_KEY, | |
102 | MGMT_EV_DEVICE_CONNECTED, | |
103 | MGMT_EV_DEVICE_DISCONNECTED, | |
104 | MGMT_EV_CONNECT_FAILED, | |
105 | MGMT_EV_PIN_CODE_REQUEST, | |
106 | MGMT_EV_USER_CONFIRM_REQUEST, | |
107 | MGMT_EV_USER_PASSKEY_REQUEST, | |
108 | MGMT_EV_AUTH_FAILED, | |
109 | MGMT_EV_DEVICE_FOUND, | |
110 | MGMT_EV_DISCOVERING, | |
111 | MGMT_EV_DEVICE_BLOCKED, | |
112 | MGMT_EV_DEVICE_UNBLOCKED, | |
113 | MGMT_EV_DEVICE_UNPAIRED, | |
92a25256 | 114 | MGMT_EV_PASSKEY_NOTIFY, |
1b60ef21 | 115 | MGMT_EV_NEW_IRK, |
7ee4ea36 | 116 | MGMT_EV_NEW_CSRK, |
8afef092 MH |
117 | MGMT_EV_DEVICE_ADDED, |
118 | MGMT_EV_DEVICE_REMOVED, | |
e70bb2e8 JH |
119 | }; |
120 | ||
17b02e62 | 121 | #define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000) |
7d78525d | 122 | |
4b34ee78 JH |
123 | #define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \ |
124 | !test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) | |
125 | ||
eec8d2bc JH |
126 | struct pending_cmd { |
127 | struct list_head list; | |
fc2f4b13 | 128 | u16 opcode; |
eec8d2bc | 129 | int index; |
c68fb7ff | 130 | void *param; |
eec8d2bc | 131 | struct sock *sk; |
e9a416b5 | 132 | void *user_data; |
eec8d2bc JH |
133 | }; |
134 | ||
ca69b795 JH |
135 | /* HCI to MGMT error code conversion table */ |
136 | static u8 mgmt_status_table[] = { | |
137 | MGMT_STATUS_SUCCESS, | |
138 | MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */ | |
139 | MGMT_STATUS_NOT_CONNECTED, /* No Connection */ | |
140 | MGMT_STATUS_FAILED, /* Hardware Failure */ | |
141 | MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */ | |
142 | MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */ | |
eadd663a | 143 | MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */ |
ca69b795 JH |
144 | MGMT_STATUS_NO_RESOURCES, /* Memory Full */ |
145 | MGMT_STATUS_TIMEOUT, /* Connection Timeout */ | |
146 | MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */ | |
147 | MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */ | |
148 | MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */ | |
149 | MGMT_STATUS_BUSY, /* Command Disallowed */ | |
150 | MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */ | |
151 | MGMT_STATUS_REJECTED, /* Rejected Security */ | |
152 | MGMT_STATUS_REJECTED, /* Rejected Personal */ | |
153 | MGMT_STATUS_TIMEOUT, /* Host Timeout */ | |
154 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */ | |
155 | MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */ | |
156 | MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */ | |
157 | MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */ | |
158 | MGMT_STATUS_DISCONNECTED, /* OE Power Off */ | |
159 | MGMT_STATUS_DISCONNECTED, /* Connection Terminated */ | |
160 | MGMT_STATUS_BUSY, /* Repeated Attempts */ | |
161 | MGMT_STATUS_REJECTED, /* Pairing Not Allowed */ | |
162 | MGMT_STATUS_FAILED, /* Unknown LMP PDU */ | |
163 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */ | |
164 | MGMT_STATUS_REJECTED, /* SCO Offset Rejected */ | |
165 | MGMT_STATUS_REJECTED, /* SCO Interval Rejected */ | |
166 | MGMT_STATUS_REJECTED, /* Air Mode Rejected */ | |
167 | MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */ | |
168 | MGMT_STATUS_FAILED, /* Unspecified Error */ | |
169 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */ | |
170 | MGMT_STATUS_FAILED, /* Role Change Not Allowed */ | |
171 | MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */ | |
172 | MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */ | |
173 | MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */ | |
174 | MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */ | |
175 | MGMT_STATUS_FAILED, /* Unit Link Key Used */ | |
176 | MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */ | |
177 | MGMT_STATUS_TIMEOUT, /* Instant Passed */ | |
178 | MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */ | |
179 | MGMT_STATUS_FAILED, /* Transaction Collision */ | |
180 | MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */ | |
181 | MGMT_STATUS_REJECTED, /* QoS Rejected */ | |
182 | MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */ | |
183 | MGMT_STATUS_REJECTED, /* Insufficient Security */ | |
184 | MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */ | |
185 | MGMT_STATUS_BUSY, /* Role Switch Pending */ | |
186 | MGMT_STATUS_FAILED, /* Slot Violation */ | |
187 | MGMT_STATUS_FAILED, /* Role Switch Failed */ | |
188 | MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */ | |
189 | MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */ | |
190 | MGMT_STATUS_BUSY, /* Host Busy Pairing */ | |
191 | MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */ | |
192 | MGMT_STATUS_BUSY, /* Controller Busy */ | |
193 | MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */ | |
194 | MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */ | |
195 | MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */ | |
196 | MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */ | |
197 | MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */ | |
198 | }; | |
199 | ||
200 | static u8 mgmt_status(u8 hci_status) | |
201 | { | |
202 | if (hci_status < ARRAY_SIZE(mgmt_status_table)) | |
203 | return mgmt_status_table[hci_status]; | |
204 | ||
205 | return MGMT_STATUS_FAILED; | |
206 | } | |
207 | ||
4e51eae9 | 208 | static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) |
f7b64e69 JH |
209 | { |
210 | struct sk_buff *skb; | |
211 | struct mgmt_hdr *hdr; | |
212 | struct mgmt_ev_cmd_status *ev; | |
56b7d137 | 213 | int err; |
f7b64e69 | 214 | |
34eb525c | 215 | BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status); |
f7b64e69 | 216 | |
790eff44 | 217 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL); |
f7b64e69 JH |
218 | if (!skb) |
219 | return -ENOMEM; | |
220 | ||
221 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
222 | ||
dcf4adbf | 223 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS); |
4e51eae9 | 224 | hdr->index = cpu_to_le16(index); |
f7b64e69 JH |
225 | hdr->len = cpu_to_le16(sizeof(*ev)); |
226 | ||
227 | ev = (void *) skb_put(skb, sizeof(*ev)); | |
228 | ev->status = status; | |
eb55ef07 | 229 | ev->opcode = cpu_to_le16(cmd); |
f7b64e69 | 230 | |
56b7d137 GP |
231 | err = sock_queue_rcv_skb(sk, skb); |
232 | if (err < 0) | |
f7b64e69 JH |
233 | kfree_skb(skb); |
234 | ||
56b7d137 | 235 | return err; |
f7b64e69 JH |
236 | } |
237 | ||
aee9b218 | 238 | static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status, |
04124681 | 239 | void *rp, size_t rp_len) |
02d98129 JH |
240 | { |
241 | struct sk_buff *skb; | |
242 | struct mgmt_hdr *hdr; | |
243 | struct mgmt_ev_cmd_complete *ev; | |
56b7d137 | 244 | int err; |
02d98129 JH |
245 | |
246 | BT_DBG("sock %p", sk); | |
247 | ||
790eff44 | 248 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL); |
02d98129 JH |
249 | if (!skb) |
250 | return -ENOMEM; | |
251 | ||
252 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
02d98129 | 253 | |
dcf4adbf | 254 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); |
4e51eae9 | 255 | hdr->index = cpu_to_le16(index); |
a38528f1 | 256 | hdr->len = cpu_to_le16(sizeof(*ev) + rp_len); |
02d98129 | 257 | |
a38528f1 | 258 | ev = (void *) skb_put(skb, sizeof(*ev) + rp_len); |
eb55ef07 | 259 | ev->opcode = cpu_to_le16(cmd); |
aee9b218 | 260 | ev->status = status; |
8020c16a SJ |
261 | |
262 | if (rp) | |
263 | memcpy(ev->data, rp, rp_len); | |
02d98129 | 264 | |
56b7d137 GP |
265 | err = sock_queue_rcv_skb(sk, skb); |
266 | if (err < 0) | |
02d98129 JH |
267 | kfree_skb(skb); |
268 | ||
e5f0e151 | 269 | return err; |
02d98129 JH |
270 | } |
271 | ||
04124681 GP |
272 | static int read_version(struct sock *sk, struct hci_dev *hdev, void *data, |
273 | u16 data_len) | |
a38528f1 JH |
274 | { |
275 | struct mgmt_rp_read_version rp; | |
276 | ||
277 | BT_DBG("sock %p", sk); | |
278 | ||
279 | rp.version = MGMT_VERSION; | |
dcf4adbf | 280 | rp.revision = cpu_to_le16(MGMT_REVISION); |
a38528f1 | 281 | |
aee9b218 | 282 | return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp, |
04124681 | 283 | sizeof(rp)); |
a38528f1 JH |
284 | } |
285 | ||
04124681 GP |
286 | static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data, |
287 | u16 data_len) | |
e70bb2e8 JH |
288 | { |
289 | struct mgmt_rp_read_commands *rp; | |
eb55ef07 MH |
290 | const u16 num_commands = ARRAY_SIZE(mgmt_commands); |
291 | const u16 num_events = ARRAY_SIZE(mgmt_events); | |
2e3c35ea | 292 | __le16 *opcode; |
e70bb2e8 JH |
293 | size_t rp_size; |
294 | int i, err; | |
295 | ||
296 | BT_DBG("sock %p", sk); | |
297 | ||
298 | rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16)); | |
299 | ||
300 | rp = kmalloc(rp_size, GFP_KERNEL); | |
301 | if (!rp) | |
302 | return -ENOMEM; | |
303 | ||
dcf4adbf JP |
304 | rp->num_commands = cpu_to_le16(num_commands); |
305 | rp->num_events = cpu_to_le16(num_events); | |
e70bb2e8 JH |
306 | |
307 | for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++) | |
308 | put_unaligned_le16(mgmt_commands[i], opcode); | |
309 | ||
310 | for (i = 0; i < num_events; i++, opcode++) | |
311 | put_unaligned_le16(mgmt_events[i], opcode); | |
312 | ||
aee9b218 | 313 | err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp, |
04124681 | 314 | rp_size); |
e70bb2e8 JH |
315 | kfree(rp); |
316 | ||
317 | return err; | |
318 | } | |
319 | ||
04124681 GP |
320 | static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, |
321 | u16 data_len) | |
faba42eb | 322 | { |
faba42eb | 323 | struct mgmt_rp_read_index_list *rp; |
8035ded4 | 324 | struct hci_dev *d; |
a38528f1 | 325 | size_t rp_len; |
faba42eb | 326 | u16 count; |
476e44cb | 327 | int err; |
faba42eb JH |
328 | |
329 | BT_DBG("sock %p", sk); | |
330 | ||
331 | read_lock(&hci_dev_list_lock); | |
332 | ||
333 | count = 0; | |
bb4b2a9a | 334 | list_for_each_entry(d, &hci_dev_list, list) { |
1514b892 MH |
335 | if (d->dev_type == HCI_BREDR) |
336 | count++; | |
faba42eb JH |
337 | } |
338 | ||
a38528f1 JH |
339 | rp_len = sizeof(*rp) + (2 * count); |
340 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
341 | if (!rp) { | |
b2c60d42 | 342 | read_unlock(&hci_dev_list_lock); |
faba42eb | 343 | return -ENOMEM; |
b2c60d42 | 344 | } |
faba42eb | 345 | |
476e44cb | 346 | count = 0; |
8035ded4 | 347 | list_for_each_entry(d, &hci_dev_list, list) { |
a8b2d5c2 | 348 | if (test_bit(HCI_SETUP, &d->dev_flags)) |
ab81cbf9 JH |
349 | continue; |
350 | ||
0736cfa8 MH |
351 | if (test_bit(HCI_USER_CHANNEL, &d->dev_flags)) |
352 | continue; | |
353 | ||
fee746b0 MH |
354 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) |
355 | continue; | |
356 | ||
1514b892 MH |
357 | if (d->dev_type == HCI_BREDR) { |
358 | rp->index[count++] = cpu_to_le16(d->id); | |
359 | BT_DBG("Added hci%u", d->id); | |
360 | } | |
faba42eb JH |
361 | } |
362 | ||
476e44cb JH |
363 | rp->num_controllers = cpu_to_le16(count); |
364 | rp_len = sizeof(*rp) + (2 * count); | |
365 | ||
faba42eb JH |
366 | read_unlock(&hci_dev_list_lock); |
367 | ||
aee9b218 | 368 | err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp, |
04124681 | 369 | rp_len); |
faba42eb | 370 | |
a38528f1 JH |
371 | kfree(rp); |
372 | ||
373 | return err; | |
faba42eb JH |
374 | } |
375 | ||
69ab39ea JH |
376 | static u32 get_supported_settings(struct hci_dev *hdev) |
377 | { | |
378 | u32 settings = 0; | |
379 | ||
380 | settings |= MGMT_SETTING_POWERED; | |
69ab39ea | 381 | settings |= MGMT_SETTING_PAIRABLE; |
b1de97d8 | 382 | settings |= MGMT_SETTING_DEBUG_KEYS; |
69ab39ea | 383 | |
ed3fa31f | 384 | if (lmp_bredr_capable(hdev)) { |
33c525c0 | 385 | settings |= MGMT_SETTING_CONNECTABLE; |
1a47aee8 JH |
386 | if (hdev->hci_ver >= BLUETOOTH_VER_1_2) |
387 | settings |= MGMT_SETTING_FAST_CONNECTABLE; | |
33c525c0 | 388 | settings |= MGMT_SETTING_DISCOVERABLE; |
69ab39ea JH |
389 | settings |= MGMT_SETTING_BREDR; |
390 | settings |= MGMT_SETTING_LINK_SECURITY; | |
a82974c9 MH |
391 | |
392 | if (lmp_ssp_capable(hdev)) { | |
393 | settings |= MGMT_SETTING_SSP; | |
394 | settings |= MGMT_SETTING_HS; | |
395 | } | |
e98d2ce2 | 396 | |
5afeac14 | 397 | if (lmp_sc_capable(hdev) || |
111902f7 | 398 | test_bit(HCI_FORCE_SC, &hdev->dbg_flags)) |
e98d2ce2 | 399 | settings |= MGMT_SETTING_SECURE_CONN; |
848566b3 | 400 | } |
d7b7e796 | 401 | |
eeca6f89 | 402 | if (lmp_le_capable(hdev)) { |
9d42820f | 403 | settings |= MGMT_SETTING_LE; |
eeca6f89 | 404 | settings |= MGMT_SETTING_ADVERTISING; |
0f4bd942 | 405 | settings |= MGMT_SETTING_PRIVACY; |
eeca6f89 | 406 | } |
69ab39ea JH |
407 | |
408 | return settings; | |
409 | } | |
410 | ||
411 | static u32 get_current_settings(struct hci_dev *hdev) | |
412 | { | |
413 | u32 settings = 0; | |
414 | ||
f1f0eb02 | 415 | if (hdev_is_powered(hdev)) |
f0d4b78a MH |
416 | settings |= MGMT_SETTING_POWERED; |
417 | ||
5e5282bb | 418 | if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) |
69ab39ea JH |
419 | settings |= MGMT_SETTING_CONNECTABLE; |
420 | ||
1a4d3c4b JH |
421 | if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) |
422 | settings |= MGMT_SETTING_FAST_CONNECTABLE; | |
423 | ||
5e5282bb | 424 | if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) |
69ab39ea JH |
425 | settings |= MGMT_SETTING_DISCOVERABLE; |
426 | ||
a8b2d5c2 | 427 | if (test_bit(HCI_PAIRABLE, &hdev->dev_flags)) |
69ab39ea JH |
428 | settings |= MGMT_SETTING_PAIRABLE; |
429 | ||
56f87901 | 430 | if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) |
69ab39ea JH |
431 | settings |= MGMT_SETTING_BREDR; |
432 | ||
06199cf8 | 433 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) |
69ab39ea JH |
434 | settings |= MGMT_SETTING_LE; |
435 | ||
47990ea0 | 436 | if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) |
69ab39ea JH |
437 | settings |= MGMT_SETTING_LINK_SECURITY; |
438 | ||
84bde9d6 | 439 | if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) |
69ab39ea JH |
440 | settings |= MGMT_SETTING_SSP; |
441 | ||
6d80dfd0 JH |
442 | if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags)) |
443 | settings |= MGMT_SETTING_HS; | |
444 | ||
f3d3444a | 445 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) |
eeca6f89 JH |
446 | settings |= MGMT_SETTING_ADVERTISING; |
447 | ||
e98d2ce2 MH |
448 | if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) |
449 | settings |= MGMT_SETTING_SECURE_CONN; | |
450 | ||
0663b297 | 451 | if (test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) |
b1de97d8 MH |
452 | settings |= MGMT_SETTING_DEBUG_KEYS; |
453 | ||
0f4bd942 JH |
454 | if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) |
455 | settings |= MGMT_SETTING_PRIVACY; | |
456 | ||
69ab39ea JH |
457 | return settings; |
458 | } | |
459 | ||
ef580372 JH |
460 | #define PNP_INFO_SVCLASS_ID 0x1200 |
461 | ||
213202ed JH |
462 | static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) |
463 | { | |
464 | u8 *ptr = data, *uuids_start = NULL; | |
465 | struct bt_uuid *uuid; | |
466 | ||
467 | if (len < 4) | |
468 | return ptr; | |
469 | ||
470 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
471 | u16 uuid16; | |
472 | ||
473 | if (uuid->size != 16) | |
474 | continue; | |
475 | ||
476 | uuid16 = get_unaligned_le16(&uuid->uuid[12]); | |
477 | if (uuid16 < 0x1100) | |
478 | continue; | |
479 | ||
480 | if (uuid16 == PNP_INFO_SVCLASS_ID) | |
481 | continue; | |
482 | ||
483 | if (!uuids_start) { | |
484 | uuids_start = ptr; | |
485 | uuids_start[0] = 1; | |
486 | uuids_start[1] = EIR_UUID16_ALL; | |
487 | ptr += 2; | |
488 | } | |
489 | ||
490 | /* Stop if not enough space to put next UUID */ | |
491 | if ((ptr - data) + sizeof(u16) > len) { | |
492 | uuids_start[1] = EIR_UUID16_SOME; | |
493 | break; | |
494 | } | |
495 | ||
496 | *ptr++ = (uuid16 & 0x00ff); | |
497 | *ptr++ = (uuid16 & 0xff00) >> 8; | |
498 | uuids_start[0] += sizeof(uuid16); | |
499 | } | |
500 | ||
501 | return ptr; | |
502 | } | |
503 | ||
cdf1963f JH |
504 | static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) |
505 | { | |
506 | u8 *ptr = data, *uuids_start = NULL; | |
507 | struct bt_uuid *uuid; | |
508 | ||
509 | if (len < 6) | |
510 | return ptr; | |
511 | ||
512 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
513 | if (uuid->size != 32) | |
514 | continue; | |
515 | ||
516 | if (!uuids_start) { | |
517 | uuids_start = ptr; | |
518 | uuids_start[0] = 1; | |
519 | uuids_start[1] = EIR_UUID32_ALL; | |
520 | ptr += 2; | |
521 | } | |
522 | ||
523 | /* Stop if not enough space to put next UUID */ | |
524 | if ((ptr - data) + sizeof(u32) > len) { | |
525 | uuids_start[1] = EIR_UUID32_SOME; | |
526 | break; | |
527 | } | |
528 | ||
529 | memcpy(ptr, &uuid->uuid[12], sizeof(u32)); | |
530 | ptr += sizeof(u32); | |
531 | uuids_start[0] += sizeof(u32); | |
532 | } | |
533 | ||
534 | return ptr; | |
535 | } | |
536 | ||
c00d575b JH |
537 | static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) |
538 | { | |
539 | u8 *ptr = data, *uuids_start = NULL; | |
540 | struct bt_uuid *uuid; | |
541 | ||
542 | if (len < 18) | |
543 | return ptr; | |
544 | ||
545 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
546 | if (uuid->size != 128) | |
547 | continue; | |
548 | ||
549 | if (!uuids_start) { | |
550 | uuids_start = ptr; | |
551 | uuids_start[0] = 1; | |
552 | uuids_start[1] = EIR_UUID128_ALL; | |
553 | ptr += 2; | |
554 | } | |
555 | ||
556 | /* Stop if not enough space to put next UUID */ | |
557 | if ((ptr - data) + 16 > len) { | |
558 | uuids_start[1] = EIR_UUID128_SOME; | |
559 | break; | |
560 | } | |
561 | ||
562 | memcpy(ptr, uuid->uuid, 16); | |
563 | ptr += 16; | |
564 | uuids_start[0] += 16; | |
565 | } | |
566 | ||
567 | return ptr; | |
568 | } | |
569 | ||
eb2a8d20 JH |
570 | static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev) |
571 | { | |
572 | struct pending_cmd *cmd; | |
573 | ||
574 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
575 | if (cmd->opcode == opcode) | |
576 | return cmd; | |
577 | } | |
578 | ||
579 | return NULL; | |
580 | } | |
581 | ||
95868426 JH |
582 | static struct pending_cmd *mgmt_pending_find_data(u16 opcode, |
583 | struct hci_dev *hdev, | |
584 | const void *data) | |
585 | { | |
586 | struct pending_cmd *cmd; | |
587 | ||
588 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
589 | if (cmd->user_data != data) | |
590 | continue; | |
591 | if (cmd->opcode == opcode) | |
592 | return cmd; | |
593 | } | |
594 | ||
595 | return NULL; | |
596 | } | |
597 | ||
f14d8f64 MH |
598 | static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr) |
599 | { | |
7a5f4990 MH |
600 | u8 ad_len = 0; |
601 | size_t name_len; | |
602 | ||
603 | name_len = strlen(hdev->dev_name); | |
604 | if (name_len > 0) { | |
605 | size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2; | |
606 | ||
607 | if (name_len > max_len) { | |
608 | name_len = max_len; | |
609 | ptr[1] = EIR_NAME_SHORT; | |
610 | } else | |
611 | ptr[1] = EIR_NAME_COMPLETE; | |
612 | ||
613 | ptr[0] = name_len + 1; | |
614 | ||
615 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
616 | ||
617 | ad_len += (name_len + 2); | |
618 | ptr += (name_len + 2); | |
619 | } | |
620 | ||
621 | return ad_len; | |
f14d8f64 MH |
622 | } |
623 | ||
624 | static void update_scan_rsp_data(struct hci_request *req) | |
625 | { | |
626 | struct hci_dev *hdev = req->hdev; | |
627 | struct hci_cp_le_set_scan_rsp_data cp; | |
628 | u8 len; | |
629 | ||
7751ef1b | 630 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) |
f14d8f64 MH |
631 | return; |
632 | ||
633 | memset(&cp, 0, sizeof(cp)); | |
634 | ||
635 | len = create_scan_rsp_data(hdev, cp.data); | |
636 | ||
eb438b5f JH |
637 | if (hdev->scan_rsp_data_len == len && |
638 | memcmp(cp.data, hdev->scan_rsp_data, len) == 0) | |
f14d8f64 MH |
639 | return; |
640 | ||
eb438b5f JH |
641 | memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data)); |
642 | hdev->scan_rsp_data_len = len; | |
f14d8f64 MH |
643 | |
644 | cp.length = len; | |
645 | ||
646 | hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp); | |
647 | } | |
648 | ||
9a43e25f JH |
649 | static u8 get_adv_discov_flags(struct hci_dev *hdev) |
650 | { | |
651 | struct pending_cmd *cmd; | |
652 | ||
653 | /* If there's a pending mgmt command the flags will not yet have | |
654 | * their final values, so check for this first. | |
655 | */ | |
656 | cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); | |
657 | if (cmd) { | |
658 | struct mgmt_mode *cp = cmd->param; | |
659 | if (cp->val == 0x01) | |
660 | return LE_AD_GENERAL; | |
661 | else if (cp->val == 0x02) | |
662 | return LE_AD_LIMITED; | |
663 | } else { | |
664 | if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags)) | |
665 | return LE_AD_LIMITED; | |
666 | else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) | |
667 | return LE_AD_GENERAL; | |
668 | } | |
669 | ||
670 | return 0; | |
671 | } | |
672 | ||
46cad2ed | 673 | static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr) |
441ad2d0 MH |
674 | { |
675 | u8 ad_len = 0, flags = 0; | |
441ad2d0 | 676 | |
9a43e25f | 677 | flags |= get_adv_discov_flags(hdev); |
441ad2d0 | 678 | |
e834004b | 679 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) |
441ad2d0 | 680 | flags |= LE_AD_NO_BREDR; |
441ad2d0 MH |
681 | |
682 | if (flags) { | |
683 | BT_DBG("adv flags 0x%02x", flags); | |
684 | ||
685 | ptr[0] = 2; | |
686 | ptr[1] = EIR_FLAGS; | |
687 | ptr[2] = flags; | |
688 | ||
689 | ad_len += 3; | |
690 | ptr += 3; | |
691 | } | |
692 | ||
693 | if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) { | |
694 | ptr[0] = 2; | |
695 | ptr[1] = EIR_TX_POWER; | |
696 | ptr[2] = (u8) hdev->adv_tx_power; | |
697 | ||
698 | ad_len += 3; | |
699 | ptr += 3; | |
700 | } | |
701 | ||
441ad2d0 MH |
702 | return ad_len; |
703 | } | |
704 | ||
5947f4bc | 705 | static void update_adv_data(struct hci_request *req) |
441ad2d0 MH |
706 | { |
707 | struct hci_dev *hdev = req->hdev; | |
708 | struct hci_cp_le_set_adv_data cp; | |
709 | u8 len; | |
710 | ||
10994ce6 | 711 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) |
441ad2d0 MH |
712 | return; |
713 | ||
714 | memset(&cp, 0, sizeof(cp)); | |
715 | ||
46cad2ed | 716 | len = create_adv_data(hdev, cp.data); |
441ad2d0 MH |
717 | |
718 | if (hdev->adv_data_len == len && | |
719 | memcmp(cp.data, hdev->adv_data, len) == 0) | |
720 | return; | |
721 | ||
722 | memcpy(hdev->adv_data, cp.data, sizeof(cp.data)); | |
723 | hdev->adv_data_len = len; | |
724 | ||
725 | cp.length = len; | |
726 | ||
727 | hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); | |
728 | } | |
729 | ||
ef580372 JH |
730 | static void create_eir(struct hci_dev *hdev, u8 *data) |
731 | { | |
732 | u8 *ptr = data; | |
ef580372 JH |
733 | size_t name_len; |
734 | ||
735 | name_len = strlen(hdev->dev_name); | |
736 | ||
737 | if (name_len > 0) { | |
738 | /* EIR Data type */ | |
739 | if (name_len > 48) { | |
740 | name_len = 48; | |
741 | ptr[1] = EIR_NAME_SHORT; | |
742 | } else | |
743 | ptr[1] = EIR_NAME_COMPLETE; | |
744 | ||
745 | /* EIR Data length */ | |
746 | ptr[0] = name_len + 1; | |
747 | ||
748 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
749 | ||
ef580372 JH |
750 | ptr += (name_len + 2); |
751 | } | |
752 | ||
bbaf444a | 753 | if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) { |
91c4e9b1 MH |
754 | ptr[0] = 2; |
755 | ptr[1] = EIR_TX_POWER; | |
756 | ptr[2] = (u8) hdev->inq_tx_power; | |
757 | ||
91c4e9b1 MH |
758 | ptr += 3; |
759 | } | |
760 | ||
2b9be137 MH |
761 | if (hdev->devid_source > 0) { |
762 | ptr[0] = 9; | |
763 | ptr[1] = EIR_DEVICE_ID; | |
764 | ||
765 | put_unaligned_le16(hdev->devid_source, ptr + 2); | |
766 | put_unaligned_le16(hdev->devid_vendor, ptr + 4); | |
767 | put_unaligned_le16(hdev->devid_product, ptr + 6); | |
768 | put_unaligned_le16(hdev->devid_version, ptr + 8); | |
769 | ||
2b9be137 MH |
770 | ptr += 10; |
771 | } | |
772 | ||
213202ed | 773 | ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); |
cdf1963f | 774 | ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); |
c00d575b | 775 | ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); |
ef580372 JH |
776 | } |
777 | ||
890ea898 | 778 | static void update_eir(struct hci_request *req) |
ef580372 | 779 | { |
890ea898 | 780 | struct hci_dev *hdev = req->hdev; |
ef580372 JH |
781 | struct hci_cp_write_eir cp; |
782 | ||
504c8dcd | 783 | if (!hdev_is_powered(hdev)) |
890ea898 | 784 | return; |
7770c4aa | 785 | |
976eb20e | 786 | if (!lmp_ext_inq_capable(hdev)) |
890ea898 | 787 | return; |
ef580372 | 788 | |
84bde9d6 | 789 | if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) |
890ea898 | 790 | return; |
ef580372 | 791 | |
a8b2d5c2 | 792 | if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) |
890ea898 | 793 | return; |
ef580372 JH |
794 | |
795 | memset(&cp, 0, sizeof(cp)); | |
796 | ||
797 | create_eir(hdev, cp.data); | |
798 | ||
799 | if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) | |
890ea898 | 800 | return; |
ef580372 JH |
801 | |
802 | memcpy(hdev->eir, cp.data, sizeof(cp.data)); | |
803 | ||
890ea898 | 804 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); |
ef580372 JH |
805 | } |
806 | ||
807 | static u8 get_service_classes(struct hci_dev *hdev) | |
808 | { | |
809 | struct bt_uuid *uuid; | |
810 | u8 val = 0; | |
811 | ||
812 | list_for_each_entry(uuid, &hdev->uuids, list) | |
813 | val |= uuid->svc_hint; | |
814 | ||
815 | return val; | |
816 | } | |
817 | ||
890ea898 | 818 | static void update_class(struct hci_request *req) |
ef580372 | 819 | { |
890ea898 | 820 | struct hci_dev *hdev = req->hdev; |
ef580372 JH |
821 | u8 cod[3]; |
822 | ||
823 | BT_DBG("%s", hdev->name); | |
824 | ||
504c8dcd | 825 | if (!hdev_is_powered(hdev)) |
890ea898 | 826 | return; |
7770c4aa | 827 | |
f87ea1da JH |
828 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) |
829 | return; | |
830 | ||
a8b2d5c2 | 831 | if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) |
890ea898 | 832 | return; |
ef580372 JH |
833 | |
834 | cod[0] = hdev->minor_class; | |
835 | cod[1] = hdev->major_class; | |
836 | cod[2] = get_service_classes(hdev); | |
837 | ||
6acd7db4 MH |
838 | if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags)) |
839 | cod[1] |= 0x20; | |
840 | ||
ef580372 | 841 | if (memcmp(cod, hdev->dev_class, 3) == 0) |
890ea898 | 842 | return; |
ef580372 | 843 | |
890ea898 | 844 | hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); |
ef580372 JH |
845 | } |
846 | ||
a4858cb9 | 847 | static bool get_connectable(struct hci_dev *hdev) |
199a2fb1 JH |
848 | { |
849 | struct pending_cmd *cmd; | |
199a2fb1 JH |
850 | |
851 | /* If there's a pending mgmt command the flag will not yet have | |
852 | * it's final value, so check for this first. | |
853 | */ | |
854 | cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); | |
855 | if (cmd) { | |
856 | struct mgmt_mode *cp = cmd->param; | |
a4858cb9 | 857 | return cp->val; |
199a2fb1 JH |
858 | } |
859 | ||
a4858cb9 | 860 | return test_bit(HCI_CONNECTABLE, &hdev->dev_flags); |
199a2fb1 JH |
861 | } |
862 | ||
863 | static void enable_advertising(struct hci_request *req) | |
864 | { | |
865 | struct hci_dev *hdev = req->hdev; | |
866 | struct hci_cp_le_set_adv_param cp; | |
8f2a0601 | 867 | u8 own_addr_type, enable = 0x01; |
a4858cb9 | 868 | bool connectable; |
199a2fb1 | 869 | |
8d97250e JH |
870 | /* Clear the HCI_ADVERTISING bit temporarily so that the |
871 | * hci_update_random_address knows that it's safe to go ahead | |
872 | * and write a new random address. The flag will be set back on | |
873 | * as soon as the SET_ADV_ENABLE HCI command completes. | |
874 | */ | |
875 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
876 | ||
a4858cb9 | 877 | connectable = get_connectable(hdev); |
8f2a0601 | 878 | |
a4858cb9 JH |
879 | /* Set require_privacy to true only when non-connectable |
880 | * advertising is used. In that case it is fine to use a | |
881 | * non-resolvable private address. | |
882 | */ | |
883 | if (hci_update_random_address(req, !connectable, &own_addr_type) < 0) | |
8f2a0601 JH |
884 | return; |
885 | ||
41c90c18 | 886 | memset(&cp, 0, sizeof(cp)); |
dcf4adbf JP |
887 | cp.min_interval = cpu_to_le16(0x0800); |
888 | cp.max_interval = cpu_to_le16(0x0800); | |
a4858cb9 | 889 | cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND; |
8f2a0601 | 890 | cp.own_address_type = own_addr_type; |
199a2fb1 JH |
891 | cp.channel_map = hdev->le_adv_channel_map; |
892 | ||
893 | hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp); | |
894 | ||
895 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
896 | } | |
897 | ||
898 | static void disable_advertising(struct hci_request *req) | |
899 | { | |
900 | u8 enable = 0x00; | |
901 | ||
902 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
903 | } | |
904 | ||
7d78525d JH |
905 | static void service_cache_off(struct work_struct *work) |
906 | { | |
907 | struct hci_dev *hdev = container_of(work, struct hci_dev, | |
04124681 | 908 | service_cache.work); |
890ea898 | 909 | struct hci_request req; |
7d78525d | 910 | |
a8b2d5c2 | 911 | if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) |
7d78525d JH |
912 | return; |
913 | ||
890ea898 JH |
914 | hci_req_init(&req, hdev); |
915 | ||
7d78525d JH |
916 | hci_dev_lock(hdev); |
917 | ||
890ea898 JH |
918 | update_eir(&req); |
919 | update_class(&req); | |
7d78525d JH |
920 | |
921 | hci_dev_unlock(hdev); | |
890ea898 JH |
922 | |
923 | hci_req_run(&req, NULL); | |
7d78525d JH |
924 | } |
925 | ||
d6bfd59c JH |
926 | static void rpa_expired(struct work_struct *work) |
927 | { | |
928 | struct hci_dev *hdev = container_of(work, struct hci_dev, | |
929 | rpa_expired.work); | |
930 | struct hci_request req; | |
931 | ||
932 | BT_DBG(""); | |
933 | ||
934 | set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags); | |
935 | ||
936 | if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags) || | |
937 | hci_conn_num(hdev, LE_LINK) > 0) | |
938 | return; | |
939 | ||
940 | /* The generation of a new RPA and programming it into the | |
941 | * controller happens in the enable_advertising() function. | |
942 | */ | |
943 | ||
944 | hci_req_init(&req, hdev); | |
945 | ||
946 | disable_advertising(&req); | |
947 | enable_advertising(&req); | |
948 | ||
949 | hci_req_run(&req, NULL); | |
950 | } | |
951 | ||
6a919082 | 952 | static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev) |
7d78525d | 953 | { |
4f87da80 | 954 | if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags)) |
6a919082 JH |
955 | return; |
956 | ||
4f87da80 | 957 | INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off); |
d6bfd59c | 958 | INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired); |
7d78525d | 959 | |
4f87da80 JH |
960 | /* Non-mgmt controlled devices get this bit set |
961 | * implicitly so that pairing works for them, however | |
962 | * for mgmt we require user-space to explicitly enable | |
963 | * it | |
964 | */ | |
965 | clear_bit(HCI_PAIRABLE, &hdev->dev_flags); | |
7d78525d JH |
966 | } |
967 | ||
0f4e68cf | 968 | static int read_controller_info(struct sock *sk, struct hci_dev *hdev, |
04124681 | 969 | void *data, u16 data_len) |
0381101f | 970 | { |
a38528f1 | 971 | struct mgmt_rp_read_info rp; |
f7b64e69 | 972 | |
bdb6d971 | 973 | BT_DBG("sock %p %s", sk, hdev->name); |
f7b64e69 | 974 | |
09fd0de5 | 975 | hci_dev_lock(hdev); |
f7b64e69 | 976 | |
dc4fe30b JH |
977 | memset(&rp, 0, sizeof(rp)); |
978 | ||
69ab39ea | 979 | bacpy(&rp.bdaddr, &hdev->bdaddr); |
f7b64e69 | 980 | |
69ab39ea | 981 | rp.version = hdev->hci_ver; |
eb55ef07 | 982 | rp.manufacturer = cpu_to_le16(hdev->manufacturer); |
69ab39ea JH |
983 | |
984 | rp.supported_settings = cpu_to_le32(get_supported_settings(hdev)); | |
985 | rp.current_settings = cpu_to_le32(get_current_settings(hdev)); | |
f7b64e69 | 986 | |
a38528f1 | 987 | memcpy(rp.dev_class, hdev->dev_class, 3); |
f7b64e69 | 988 | |
dc4fe30b | 989 | memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name)); |
27fcc362 | 990 | memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name)); |
dc4fe30b | 991 | |
09fd0de5 | 992 | hci_dev_unlock(hdev); |
0381101f | 993 | |
bdb6d971 | 994 | return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp, |
04124681 | 995 | sizeof(rp)); |
0381101f JH |
996 | } |
997 | ||
eec8d2bc JH |
998 | static void mgmt_pending_free(struct pending_cmd *cmd) |
999 | { | |
1000 | sock_put(cmd->sk); | |
c68fb7ff | 1001 | kfree(cmd->param); |
eec8d2bc JH |
1002 | kfree(cmd); |
1003 | } | |
1004 | ||
366a0336 | 1005 | static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, |
04124681 GP |
1006 | struct hci_dev *hdev, void *data, |
1007 | u16 len) | |
eec8d2bc JH |
1008 | { |
1009 | struct pending_cmd *cmd; | |
1010 | ||
fca20018 | 1011 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
eec8d2bc | 1012 | if (!cmd) |
366a0336 | 1013 | return NULL; |
eec8d2bc JH |
1014 | |
1015 | cmd->opcode = opcode; | |
2e58ef3e | 1016 | cmd->index = hdev->id; |
eec8d2bc | 1017 | |
12b94565 | 1018 | cmd->param = kmalloc(len, GFP_KERNEL); |
c68fb7ff | 1019 | if (!cmd->param) { |
eec8d2bc | 1020 | kfree(cmd); |
366a0336 | 1021 | return NULL; |
eec8d2bc JH |
1022 | } |
1023 | ||
8fce6357 SJ |
1024 | if (data) |
1025 | memcpy(cmd->param, data, len); | |
eec8d2bc JH |
1026 | |
1027 | cmd->sk = sk; | |
1028 | sock_hold(sk); | |
1029 | ||
2e58ef3e | 1030 | list_add(&cmd->list, &hdev->mgmt_pending); |
eec8d2bc | 1031 | |
366a0336 | 1032 | return cmd; |
eec8d2bc JH |
1033 | } |
1034 | ||
744cf19e | 1035 | static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, |
8fc9ced3 GP |
1036 | void (*cb)(struct pending_cmd *cmd, |
1037 | void *data), | |
04124681 | 1038 | void *data) |
eec8d2bc | 1039 | { |
a3d09356 | 1040 | struct pending_cmd *cmd, *tmp; |
eec8d2bc | 1041 | |
a3d09356 | 1042 | list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) { |
b24752fe | 1043 | if (opcode > 0 && cmd->opcode != opcode) |
eec8d2bc JH |
1044 | continue; |
1045 | ||
eec8d2bc JH |
1046 | cb(cmd, data); |
1047 | } | |
1048 | } | |
1049 | ||
a664b5bc | 1050 | static void mgmt_pending_remove(struct pending_cmd *cmd) |
73f22f62 | 1051 | { |
73f22f62 JH |
1052 | list_del(&cmd->list); |
1053 | mgmt_pending_free(cmd); | |
1054 | } | |
1055 | ||
69ab39ea | 1056 | static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) |
8680570b | 1057 | { |
69ab39ea | 1058 | __le32 settings = cpu_to_le32(get_current_settings(hdev)); |
8680570b | 1059 | |
aee9b218 | 1060 | return cmd_complete(sk, hdev->id, opcode, 0, &settings, |
04124681 | 1061 | sizeof(settings)); |
8680570b JH |
1062 | } |
1063 | ||
8b064a3a JH |
1064 | static void clean_up_hci_complete(struct hci_dev *hdev, u8 status) |
1065 | { | |
1066 | BT_DBG("%s status 0x%02x", hdev->name, status); | |
1067 | ||
a3172b7e JH |
1068 | if (hci_conn_count(hdev) == 0) { |
1069 | cancel_delayed_work(&hdev->power_off); | |
8b064a3a | 1070 | queue_work(hdev->req_workqueue, &hdev->power_off.work); |
a3172b7e | 1071 | } |
8b064a3a JH |
1072 | } |
1073 | ||
21a60d30 JH |
1074 | static void hci_stop_discovery(struct hci_request *req) |
1075 | { | |
1076 | struct hci_dev *hdev = req->hdev; | |
1077 | struct hci_cp_remote_name_req_cancel cp; | |
1078 | struct inquiry_entry *e; | |
1079 | ||
1080 | switch (hdev->discovery.state) { | |
1081 | case DISCOVERY_FINDING: | |
1082 | if (test_bit(HCI_INQUIRY, &hdev->flags)) { | |
1083 | hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL); | |
1084 | } else { | |
1085 | cancel_delayed_work(&hdev->le_scan_disable); | |
1086 | hci_req_add_le_scan_disable(req); | |
1087 | } | |
1088 | ||
1089 | break; | |
1090 | ||
1091 | case DISCOVERY_RESOLVING: | |
1092 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, | |
1093 | NAME_PENDING); | |
1094 | if (!e) | |
1095 | return; | |
1096 | ||
1097 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1098 | hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp), | |
1099 | &cp); | |
1100 | ||
1101 | break; | |
1102 | ||
1103 | default: | |
1104 | /* Passive scanning */ | |
1105 | if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) | |
1106 | hci_req_add_le_scan_disable(req); | |
1107 | break; | |
1108 | } | |
1109 | } | |
1110 | ||
8b064a3a JH |
1111 | static int clean_up_hci_state(struct hci_dev *hdev) |
1112 | { | |
1113 | struct hci_request req; | |
1114 | struct hci_conn *conn; | |
1115 | ||
1116 | hci_req_init(&req, hdev); | |
1117 | ||
1118 | if (test_bit(HCI_ISCAN, &hdev->flags) || | |
1119 | test_bit(HCI_PSCAN, &hdev->flags)) { | |
1120 | u8 scan = 0x00; | |
1121 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
1122 | } | |
1123 | ||
1124 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
1125 | disable_advertising(&req); | |
1126 | ||
f8680f12 | 1127 | hci_stop_discovery(&req); |
8b064a3a JH |
1128 | |
1129 | list_for_each_entry(conn, &hdev->conn_hash.list, list) { | |
1130 | struct hci_cp_disconnect dc; | |
c9910d0f JH |
1131 | struct hci_cp_reject_conn_req rej; |
1132 | ||
1133 | switch (conn->state) { | |
1134 | case BT_CONNECTED: | |
1135 | case BT_CONFIG: | |
1136 | dc.handle = cpu_to_le16(conn->handle); | |
1137 | dc.reason = 0x15; /* Terminated due to Power Off */ | |
1138 | hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
1139 | break; | |
1140 | case BT_CONNECT: | |
1141 | if (conn->type == LE_LINK) | |
1142 | hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL, | |
1143 | 0, NULL); | |
1144 | else if (conn->type == ACL_LINK) | |
1145 | hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL, | |
1146 | 6, &conn->dst); | |
1147 | break; | |
1148 | case BT_CONNECT2: | |
1149 | bacpy(&rej.bdaddr, &conn->dst); | |
1150 | rej.reason = 0x15; /* Terminated due to Power Off */ | |
1151 | if (conn->type == ACL_LINK) | |
1152 | hci_req_add(&req, HCI_OP_REJECT_CONN_REQ, | |
1153 | sizeof(rej), &rej); | |
1154 | else if (conn->type == SCO_LINK) | |
1155 | hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ, | |
1156 | sizeof(rej), &rej); | |
1157 | break; | |
1158 | } | |
8b064a3a JH |
1159 | } |
1160 | ||
1161 | return hci_req_run(&req, clean_up_hci_complete); | |
1162 | } | |
1163 | ||
bdb6d971 | 1164 | static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1165 | u16 len) |
eec8d2bc | 1166 | { |
650f726d | 1167 | struct mgmt_mode *cp = data; |
366a0336 | 1168 | struct pending_cmd *cmd; |
4b34ee78 | 1169 | int err; |
eec8d2bc | 1170 | |
bdb6d971 | 1171 | BT_DBG("request for %s", hdev->name); |
eec8d2bc | 1172 | |
a7e80f25 JH |
1173 | if (cp->val != 0x00 && cp->val != 0x01) |
1174 | return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, | |
1175 | MGMT_STATUS_INVALID_PARAMS); | |
1176 | ||
09fd0de5 | 1177 | hci_dev_lock(hdev); |
eec8d2bc | 1178 | |
87b95ba6 JH |
1179 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) { |
1180 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, | |
1181 | MGMT_STATUS_BUSY); | |
1182 | goto failed; | |
1183 | } | |
1184 | ||
f0d4b78a MH |
1185 | if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { |
1186 | cancel_delayed_work(&hdev->power_off); | |
1187 | ||
1188 | if (cp->val) { | |
a1d70450 JH |
1189 | mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, |
1190 | data, len); | |
1191 | err = mgmt_powered(hdev, 1); | |
f0d4b78a MH |
1192 | goto failed; |
1193 | } | |
1194 | } | |
1195 | ||
4b34ee78 | 1196 | if (!!cp->val == hdev_is_powered(hdev)) { |
69ab39ea | 1197 | err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); |
eec8d2bc JH |
1198 | goto failed; |
1199 | } | |
1200 | ||
2e58ef3e | 1201 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len); |
366a0336 JH |
1202 | if (!cmd) { |
1203 | err = -ENOMEM; | |
eec8d2bc | 1204 | goto failed; |
366a0336 | 1205 | } |
eec8d2bc | 1206 | |
8b064a3a | 1207 | if (cp->val) { |
19202573 | 1208 | queue_work(hdev->req_workqueue, &hdev->power_on); |
8b064a3a JH |
1209 | err = 0; |
1210 | } else { | |
1211 | /* Disconnect connections, stop scans, etc */ | |
1212 | err = clean_up_hci_state(hdev); | |
a3172b7e JH |
1213 | if (!err) |
1214 | queue_delayed_work(hdev->req_workqueue, &hdev->power_off, | |
1215 | HCI_POWER_OFF_TIMEOUT); | |
eec8d2bc | 1216 | |
8b064a3a JH |
1217 | /* ENODATA means there were no HCI commands queued */ |
1218 | if (err == -ENODATA) { | |
a3172b7e | 1219 | cancel_delayed_work(&hdev->power_off); |
8b064a3a JH |
1220 | queue_work(hdev->req_workqueue, &hdev->power_off.work); |
1221 | err = 0; | |
1222 | } | |
1223 | } | |
eec8d2bc JH |
1224 | |
1225 | failed: | |
09fd0de5 | 1226 | hci_dev_unlock(hdev); |
366a0336 | 1227 | return err; |
eec8d2bc JH |
1228 | } |
1229 | ||
04124681 GP |
1230 | static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len, |
1231 | struct sock *skip_sk) | |
beadb2bd JH |
1232 | { |
1233 | struct sk_buff *skb; | |
1234 | struct mgmt_hdr *hdr; | |
1235 | ||
790eff44 | 1236 | skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL); |
beadb2bd JH |
1237 | if (!skb) |
1238 | return -ENOMEM; | |
1239 | ||
1240 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
1241 | hdr->opcode = cpu_to_le16(event); | |
1242 | if (hdev) | |
1243 | hdr->index = cpu_to_le16(hdev->id); | |
1244 | else | |
dcf4adbf | 1245 | hdr->index = cpu_to_le16(MGMT_INDEX_NONE); |
beadb2bd JH |
1246 | hdr->len = cpu_to_le16(data_len); |
1247 | ||
1248 | if (data) | |
1249 | memcpy(skb_put(skb, data_len), data, data_len); | |
1250 | ||
97e0bdeb MH |
1251 | /* Time stamp */ |
1252 | __net_timestamp(skb); | |
1253 | ||
beadb2bd JH |
1254 | hci_send_to_control(skb, skip_sk); |
1255 | kfree_skb(skb); | |
1256 | ||
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | static int new_settings(struct hci_dev *hdev, struct sock *skip) | |
1261 | { | |
1262 | __le32 ev; | |
1263 | ||
1264 | ev = cpu_to_le32(get_current_settings(hdev)); | |
1265 | ||
1266 | return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip); | |
1267 | } | |
1268 | ||
bd99abdd JH |
1269 | struct cmd_lookup { |
1270 | struct sock *sk; | |
1271 | struct hci_dev *hdev; | |
1272 | u8 mgmt_status; | |
1273 | }; | |
1274 | ||
1275 | static void settings_rsp(struct pending_cmd *cmd, void *data) | |
1276 | { | |
1277 | struct cmd_lookup *match = data; | |
1278 | ||
1279 | send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); | |
1280 | ||
1281 | list_del(&cmd->list); | |
1282 | ||
1283 | if (match->sk == NULL) { | |
1284 | match->sk = cmd->sk; | |
1285 | sock_hold(match->sk); | |
1286 | } | |
1287 | ||
1288 | mgmt_pending_free(cmd); | |
1289 | } | |
1290 | ||
1291 | static void cmd_status_rsp(struct pending_cmd *cmd, void *data) | |
1292 | { | |
1293 | u8 *status = data; | |
1294 | ||
1295 | cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); | |
1296 | mgmt_pending_remove(cmd); | |
1297 | } | |
1298 | ||
e6fe7986 JH |
1299 | static u8 mgmt_bredr_support(struct hci_dev *hdev) |
1300 | { | |
1301 | if (!lmp_bredr_capable(hdev)) | |
1302 | return MGMT_STATUS_NOT_SUPPORTED; | |
1303 | else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1304 | return MGMT_STATUS_REJECTED; | |
1305 | else | |
1306 | return MGMT_STATUS_SUCCESS; | |
1307 | } | |
1308 | ||
1309 | static u8 mgmt_le_support(struct hci_dev *hdev) | |
1310 | { | |
1311 | if (!lmp_le_capable(hdev)) | |
1312 | return MGMT_STATUS_NOT_SUPPORTED; | |
1313 | else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
1314 | return MGMT_STATUS_REJECTED; | |
1315 | else | |
1316 | return MGMT_STATUS_SUCCESS; | |
1317 | } | |
1318 | ||
bfaf8c9f JH |
1319 | static void set_discoverable_complete(struct hci_dev *hdev, u8 status) |
1320 | { | |
1321 | struct pending_cmd *cmd; | |
1322 | struct mgmt_mode *cp; | |
970ba524 | 1323 | struct hci_request req; |
bfaf8c9f JH |
1324 | bool changed; |
1325 | ||
1326 | BT_DBG("status 0x%02x", status); | |
1327 | ||
1328 | hci_dev_lock(hdev); | |
1329 | ||
1330 | cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); | |
1331 | if (!cmd) | |
1332 | goto unlock; | |
1333 | ||
1334 | if (status) { | |
1335 | u8 mgmt_err = mgmt_status(status); | |
1336 | cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); | |
310a3d48 | 1337 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); |
bfaf8c9f JH |
1338 | goto remove_cmd; |
1339 | } | |
1340 | ||
1341 | cp = cmd->param; | |
d4462a07 | 1342 | if (cp->val) { |
bfaf8c9f JH |
1343 | changed = !test_and_set_bit(HCI_DISCOVERABLE, |
1344 | &hdev->dev_flags); | |
d4462a07 MH |
1345 | |
1346 | if (hdev->discov_timeout > 0) { | |
1347 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
1348 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, | |
1349 | to); | |
1350 | } | |
1351 | } else { | |
bfaf8c9f JH |
1352 | changed = test_and_clear_bit(HCI_DISCOVERABLE, |
1353 | &hdev->dev_flags); | |
d4462a07 | 1354 | } |
bfaf8c9f JH |
1355 | |
1356 | send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev); | |
1357 | ||
1358 | if (changed) | |
1359 | new_settings(hdev, cmd->sk); | |
1360 | ||
970ba524 MH |
1361 | /* When the discoverable mode gets changed, make sure |
1362 | * that class of device has the limited discoverable | |
1363 | * bit correctly set. | |
1364 | */ | |
1365 | hci_req_init(&req, hdev); | |
1366 | update_class(&req); | |
1367 | hci_req_run(&req, NULL); | |
1368 | ||
bfaf8c9f JH |
1369 | remove_cmd: |
1370 | mgmt_pending_remove(cmd); | |
1371 | ||
1372 | unlock: | |
1373 | hci_dev_unlock(hdev); | |
1374 | } | |
1375 | ||
bdb6d971 | 1376 | static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1377 | u16 len) |
73f22f62 | 1378 | { |
650f726d | 1379 | struct mgmt_cp_set_discoverable *cp = data; |
366a0336 | 1380 | struct pending_cmd *cmd; |
bfaf8c9f | 1381 | struct hci_request req; |
5e5282bb | 1382 | u16 timeout; |
9a43e25f | 1383 | u8 scan; |
73f22f62 JH |
1384 | int err; |
1385 | ||
bdb6d971 | 1386 | BT_DBG("request for %s", hdev->name); |
73f22f62 | 1387 | |
9a43e25f JH |
1388 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && |
1389 | !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
33c525c0 | 1390 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
9a43e25f | 1391 | MGMT_STATUS_REJECTED); |
33c525c0 | 1392 | |
310a3d48 | 1393 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
a7e80f25 JH |
1394 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1395 | MGMT_STATUS_INVALID_PARAMS); | |
1396 | ||
1f350c87 | 1397 | timeout = __le16_to_cpu(cp->timeout); |
310a3d48 MH |
1398 | |
1399 | /* Disabling discoverable requires that no timeout is set, | |
1400 | * and enabling limited discoverable requires a timeout. | |
1401 | */ | |
1402 | if ((cp->val == 0x00 && timeout > 0) || | |
1403 | (cp->val == 0x02 && timeout == 0)) | |
bdb6d971 | 1404 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
04124681 | 1405 | MGMT_STATUS_INVALID_PARAMS); |
73f22f62 | 1406 | |
09fd0de5 | 1407 | hci_dev_lock(hdev); |
73f22f62 | 1408 | |
5e5282bb | 1409 | if (!hdev_is_powered(hdev) && timeout > 0) { |
bdb6d971 | 1410 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
04124681 | 1411 | MGMT_STATUS_NOT_POWERED); |
73f22f62 JH |
1412 | goto failed; |
1413 | } | |
1414 | ||
2e58ef3e | 1415 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
8ce8e2b5 | 1416 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { |
bdb6d971 | 1417 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
04124681 | 1418 | MGMT_STATUS_BUSY); |
73f22f62 JH |
1419 | goto failed; |
1420 | } | |
1421 | ||
5e5282bb | 1422 | if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) { |
bdb6d971 | 1423 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
04124681 | 1424 | MGMT_STATUS_REJECTED); |
5e5282bb JH |
1425 | goto failed; |
1426 | } | |
1427 | ||
1428 | if (!hdev_is_powered(hdev)) { | |
0224d2fa JH |
1429 | bool changed = false; |
1430 | ||
310a3d48 MH |
1431 | /* Setting limited discoverable when powered off is |
1432 | * not a valid operation since it requires a timeout | |
1433 | * and so no need to check HCI_LIMITED_DISCOVERABLE. | |
1434 | */ | |
0224d2fa JH |
1435 | if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) { |
1436 | change_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
1437 | changed = true; | |
1438 | } | |
1439 | ||
5e5282bb | 1440 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
0224d2fa JH |
1441 | if (err < 0) |
1442 | goto failed; | |
1443 | ||
1444 | if (changed) | |
1445 | err = new_settings(hdev, sk); | |
1446 | ||
5e5282bb JH |
1447 | goto failed; |
1448 | } | |
1449 | ||
310a3d48 MH |
1450 | /* If the current mode is the same, then just update the timeout |
1451 | * value with the new value. And if only the timeout gets updated, | |
1452 | * then no need for any HCI transactions. | |
1453 | */ | |
1454 | if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) && | |
1455 | (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE, | |
1456 | &hdev->dev_flags)) { | |
36261547 MH |
1457 | cancel_delayed_work(&hdev->discov_off); |
1458 | hdev->discov_timeout = timeout; | |
955638ec | 1459 | |
36261547 MH |
1460 | if (cp->val && hdev->discov_timeout > 0) { |
1461 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
955638ec | 1462 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, |
36261547 | 1463 | to); |
955638ec MH |
1464 | } |
1465 | ||
69ab39ea | 1466 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
73f22f62 JH |
1467 | goto failed; |
1468 | } | |
1469 | ||
2e58ef3e | 1470 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len); |
366a0336 JH |
1471 | if (!cmd) { |
1472 | err = -ENOMEM; | |
73f22f62 | 1473 | goto failed; |
366a0336 | 1474 | } |
73f22f62 | 1475 | |
310a3d48 MH |
1476 | /* Cancel any potential discoverable timeout that might be |
1477 | * still active and store new timeout value. The arming of | |
1478 | * the timeout happens in the complete handler. | |
1479 | */ | |
1480 | cancel_delayed_work(&hdev->discov_off); | |
1481 | hdev->discov_timeout = timeout; | |
1482 | ||
b456f87c JH |
1483 | /* Limited discoverable mode */ |
1484 | if (cp->val == 0x02) | |
1485 | set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1486 | else | |
1487 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1488 | ||
bfaf8c9f JH |
1489 | hci_req_init(&req, hdev); |
1490 | ||
9a43e25f JH |
1491 | /* The procedure for LE-only controllers is much simpler - just |
1492 | * update the advertising data. | |
1493 | */ | |
1494 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
1495 | goto update_ad; | |
1496 | ||
73f22f62 JH |
1497 | scan = SCAN_PAGE; |
1498 | ||
310a3d48 MH |
1499 | if (cp->val) { |
1500 | struct hci_cp_write_current_iac_lap hci_cp; | |
1501 | ||
1502 | if (cp->val == 0x02) { | |
1503 | /* Limited discoverable mode */ | |
33337dcb | 1504 | hci_cp.num_iac = min_t(u8, hdev->num_iac, 2); |
310a3d48 MH |
1505 | hci_cp.iac_lap[0] = 0x00; /* LIAC */ |
1506 | hci_cp.iac_lap[1] = 0x8b; | |
1507 | hci_cp.iac_lap[2] = 0x9e; | |
1508 | hci_cp.iac_lap[3] = 0x33; /* GIAC */ | |
1509 | hci_cp.iac_lap[4] = 0x8b; | |
1510 | hci_cp.iac_lap[5] = 0x9e; | |
1511 | } else { | |
1512 | /* General discoverable mode */ | |
310a3d48 MH |
1513 | hci_cp.num_iac = 1; |
1514 | hci_cp.iac_lap[0] = 0x33; /* GIAC */ | |
1515 | hci_cp.iac_lap[1] = 0x8b; | |
1516 | hci_cp.iac_lap[2] = 0x9e; | |
1517 | } | |
1518 | ||
1519 | hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP, | |
1520 | (hci_cp.num_iac * 3) + 1, &hci_cp); | |
1521 | ||
73f22f62 | 1522 | scan |= SCAN_INQUIRY; |
310a3d48 MH |
1523 | } else { |
1524 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1525 | } | |
73f22f62 | 1526 | |
310a3d48 | 1527 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan); |
bfaf8c9f | 1528 | |
9a43e25f JH |
1529 | update_ad: |
1530 | update_adv_data(&req); | |
1531 | ||
bfaf8c9f | 1532 | err = hci_req_run(&req, set_discoverable_complete); |
73f22f62 | 1533 | if (err < 0) |
a664b5bc | 1534 | mgmt_pending_remove(cmd); |
73f22f62 JH |
1535 | |
1536 | failed: | |
09fd0de5 | 1537 | hci_dev_unlock(hdev); |
73f22f62 JH |
1538 | return err; |
1539 | } | |
1540 | ||
406d7804 JH |
1541 | static void write_fast_connectable(struct hci_request *req, bool enable) |
1542 | { | |
bd98b996 | 1543 | struct hci_dev *hdev = req->hdev; |
406d7804 JH |
1544 | struct hci_cp_write_page_scan_activity acp; |
1545 | u8 type; | |
1546 | ||
547003b1 JH |
1547 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) |
1548 | return; | |
1549 | ||
4c01f8b8 JH |
1550 | if (hdev->hci_ver < BLUETOOTH_VER_1_2) |
1551 | return; | |
1552 | ||
406d7804 JH |
1553 | if (enable) { |
1554 | type = PAGE_SCAN_TYPE_INTERLACED; | |
1555 | ||
1556 | /* 160 msec page scan interval */ | |
dcf4adbf | 1557 | acp.interval = cpu_to_le16(0x0100); |
406d7804 JH |
1558 | } else { |
1559 | type = PAGE_SCAN_TYPE_STANDARD; /* default */ | |
1560 | ||
1561 | /* default 1.28 sec page scan */ | |
dcf4adbf | 1562 | acp.interval = cpu_to_le16(0x0800); |
406d7804 JH |
1563 | } |
1564 | ||
dcf4adbf | 1565 | acp.window = cpu_to_le16(0x0012); |
406d7804 | 1566 | |
bd98b996 JH |
1567 | if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval || |
1568 | __cpu_to_le16(hdev->page_scan_window) != acp.window) | |
1569 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, | |
1570 | sizeof(acp), &acp); | |
1571 | ||
1572 | if (hdev->page_scan_type != type) | |
1573 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); | |
406d7804 JH |
1574 | } |
1575 | ||
2b76f453 JH |
1576 | static void set_connectable_complete(struct hci_dev *hdev, u8 status) |
1577 | { | |
1578 | struct pending_cmd *cmd; | |
d7b856f9 JH |
1579 | struct mgmt_mode *cp; |
1580 | bool changed; | |
2b76f453 JH |
1581 | |
1582 | BT_DBG("status 0x%02x", status); | |
1583 | ||
1584 | hci_dev_lock(hdev); | |
1585 | ||
1586 | cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); | |
1587 | if (!cmd) | |
1588 | goto unlock; | |
1589 | ||
37438c1f JH |
1590 | if (status) { |
1591 | u8 mgmt_err = mgmt_status(status); | |
1592 | cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); | |
1593 | goto remove_cmd; | |
1594 | } | |
1595 | ||
d7b856f9 JH |
1596 | cp = cmd->param; |
1597 | if (cp->val) | |
1598 | changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1599 | else | |
1600 | changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1601 | ||
2b76f453 JH |
1602 | send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev); |
1603 | ||
d7b856f9 JH |
1604 | if (changed) |
1605 | new_settings(hdev, cmd->sk); | |
1606 | ||
37438c1f | 1607 | remove_cmd: |
2b76f453 JH |
1608 | mgmt_pending_remove(cmd); |
1609 | ||
1610 | unlock: | |
1611 | hci_dev_unlock(hdev); | |
1612 | } | |
1613 | ||
e8ba3a1f JH |
1614 | static int set_connectable_update_settings(struct hci_dev *hdev, |
1615 | struct sock *sk, u8 val) | |
1616 | { | |
1617 | bool changed = false; | |
1618 | int err; | |
1619 | ||
1620 | if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
1621 | changed = true; | |
1622 | ||
1623 | if (val) { | |
1624 | set_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1625 | } else { | |
1626 | clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
1627 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
1628 | } | |
1629 | ||
1630 | err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); | |
1631 | if (err < 0) | |
1632 | return err; | |
1633 | ||
1634 | if (changed) | |
1635 | return new_settings(hdev, sk); | |
1636 | ||
1637 | return 0; | |
1638 | } | |
1639 | ||
bdb6d971 | 1640 | static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1641 | u16 len) |
9fbcbb45 | 1642 | { |
650f726d | 1643 | struct mgmt_mode *cp = data; |
366a0336 | 1644 | struct pending_cmd *cmd; |
2b76f453 | 1645 | struct hci_request req; |
1987fdc7 | 1646 | u8 scan; |
9fbcbb45 JH |
1647 | int err; |
1648 | ||
bdb6d971 | 1649 | BT_DBG("request for %s", hdev->name); |
9fbcbb45 | 1650 | |
1987fdc7 JH |
1651 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && |
1652 | !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) | |
33c525c0 | 1653 | return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
1987fdc7 | 1654 | MGMT_STATUS_REJECTED); |
33c525c0 | 1655 | |
a7e80f25 JH |
1656 | if (cp->val != 0x00 && cp->val != 0x01) |
1657 | return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, | |
1658 | MGMT_STATUS_INVALID_PARAMS); | |
1659 | ||
09fd0de5 | 1660 | hci_dev_lock(hdev); |
9fbcbb45 | 1661 | |
4b34ee78 | 1662 | if (!hdev_is_powered(hdev)) { |
e8ba3a1f | 1663 | err = set_connectable_update_settings(hdev, sk, cp->val); |
9fbcbb45 JH |
1664 | goto failed; |
1665 | } | |
1666 | ||
2e58ef3e | 1667 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
8ce8e2b5 | 1668 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { |
bdb6d971 | 1669 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
04124681 | 1670 | MGMT_STATUS_BUSY); |
9fbcbb45 JH |
1671 | goto failed; |
1672 | } | |
1673 | ||
2e58ef3e | 1674 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len); |
366a0336 JH |
1675 | if (!cmd) { |
1676 | err = -ENOMEM; | |
9fbcbb45 | 1677 | goto failed; |
366a0336 | 1678 | } |
9fbcbb45 | 1679 | |
9b74246f | 1680 | hci_req_init(&req, hdev); |
9fbcbb45 | 1681 | |
9a43e25f JH |
1682 | /* If BR/EDR is not enabled and we disable advertising as a |
1683 | * by-product of disabling connectable, we need to update the | |
1684 | * advertising flags. | |
1685 | */ | |
1686 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
1687 | if (!cp->val) { | |
1688 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
1689 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); | |
1690 | } | |
1691 | update_adv_data(&req); | |
1692 | } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) { | |
9b74246f JH |
1693 | if (cp->val) { |
1694 | scan = SCAN_PAGE; | |
1695 | } else { | |
1696 | scan = 0; | |
1697 | ||
1698 | if (test_bit(HCI_ISCAN, &hdev->flags) && | |
8d6083fe | 1699 | hdev->discov_timeout > 0) |
9b74246f JH |
1700 | cancel_delayed_work(&hdev->discov_off); |
1701 | } | |
2b76f453 | 1702 | |
9b74246f JH |
1703 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); |
1704 | } | |
2b76f453 | 1705 | |
4c01f8b8 JH |
1706 | /* If we're going from non-connectable to connectable or |
1707 | * vice-versa when fast connectable is enabled ensure that fast | |
1708 | * connectable gets disabled. write_fast_connectable won't do | |
1709 | * anything if the page scan parameters are already what they | |
1710 | * should be. | |
1711 | */ | |
1712 | if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) | |
e36a3769 JH |
1713 | write_fast_connectable(&req, false); |
1714 | ||
1987fdc7 JH |
1715 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) && |
1716 | hci_conn_num(hdev, LE_LINK) == 0) { | |
1717 | disable_advertising(&req); | |
1718 | enable_advertising(&req); | |
1719 | } | |
1720 | ||
2b76f453 | 1721 | err = hci_req_run(&req, set_connectable_complete); |
9b74246f | 1722 | if (err < 0) { |
a664b5bc | 1723 | mgmt_pending_remove(cmd); |
9b74246f | 1724 | if (err == -ENODATA) |
a81070ba JH |
1725 | err = set_connectable_update_settings(hdev, sk, |
1726 | cp->val); | |
9b74246f JH |
1727 | goto failed; |
1728 | } | |
9fbcbb45 JH |
1729 | |
1730 | failed: | |
09fd0de5 | 1731 | hci_dev_unlock(hdev); |
9fbcbb45 JH |
1732 | return err; |
1733 | } | |
1734 | ||
bdb6d971 | 1735 | static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1736 | u16 len) |
c542a06c | 1737 | { |
650f726d | 1738 | struct mgmt_mode *cp = data; |
55594356 | 1739 | bool changed; |
c542a06c JH |
1740 | int err; |
1741 | ||
bdb6d971 | 1742 | BT_DBG("request for %s", hdev->name); |
c542a06c | 1743 | |
a7e80f25 JH |
1744 | if (cp->val != 0x00 && cp->val != 0x01) |
1745 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PAIRABLE, | |
1746 | MGMT_STATUS_INVALID_PARAMS); | |
1747 | ||
09fd0de5 | 1748 | hci_dev_lock(hdev); |
c542a06c JH |
1749 | |
1750 | if (cp->val) | |
55594356 | 1751 | changed = !test_and_set_bit(HCI_PAIRABLE, &hdev->dev_flags); |
c542a06c | 1752 | else |
55594356 | 1753 | changed = test_and_clear_bit(HCI_PAIRABLE, &hdev->dev_flags); |
c542a06c | 1754 | |
69ab39ea | 1755 | err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev); |
c542a06c | 1756 | if (err < 0) |
55594356 | 1757 | goto unlock; |
c542a06c | 1758 | |
55594356 MH |
1759 | if (changed) |
1760 | err = new_settings(hdev, sk); | |
c542a06c | 1761 | |
55594356 | 1762 | unlock: |
09fd0de5 | 1763 | hci_dev_unlock(hdev); |
c542a06c JH |
1764 | return err; |
1765 | } | |
1766 | ||
04124681 GP |
1767 | static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, |
1768 | u16 len) | |
33ef95ed JH |
1769 | { |
1770 | struct mgmt_mode *cp = data; | |
1771 | struct pending_cmd *cmd; | |
e6fe7986 | 1772 | u8 val, status; |
33ef95ed JH |
1773 | int err; |
1774 | ||
bdb6d971 | 1775 | BT_DBG("request for %s", hdev->name); |
33ef95ed | 1776 | |
e6fe7986 JH |
1777 | status = mgmt_bredr_support(hdev); |
1778 | if (status) | |
33c525c0 | 1779 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
e6fe7986 | 1780 | status); |
33c525c0 | 1781 | |
a7e80f25 JH |
1782 | if (cp->val != 0x00 && cp->val != 0x01) |
1783 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, | |
1784 | MGMT_STATUS_INVALID_PARAMS); | |
1785 | ||
33ef95ed JH |
1786 | hci_dev_lock(hdev); |
1787 | ||
4b34ee78 | 1788 | if (!hdev_is_powered(hdev)) { |
47990ea0 JH |
1789 | bool changed = false; |
1790 | ||
1791 | if (!!cp->val != test_bit(HCI_LINK_SECURITY, | |
8ce8e2b5 | 1792 | &hdev->dev_flags)) { |
47990ea0 JH |
1793 | change_bit(HCI_LINK_SECURITY, &hdev->dev_flags); |
1794 | changed = true; | |
1795 | } | |
1796 | ||
1797 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
1798 | if (err < 0) | |
1799 | goto failed; | |
1800 | ||
1801 | if (changed) | |
1802 | err = new_settings(hdev, sk); | |
1803 | ||
33ef95ed JH |
1804 | goto failed; |
1805 | } | |
1806 | ||
1807 | if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) { | |
bdb6d971 | 1808 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
04124681 | 1809 | MGMT_STATUS_BUSY); |
33ef95ed JH |
1810 | goto failed; |
1811 | } | |
1812 | ||
1813 | val = !!cp->val; | |
1814 | ||
1815 | if (test_bit(HCI_AUTH, &hdev->flags) == val) { | |
1816 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
1817 | goto failed; | |
1818 | } | |
1819 | ||
1820 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len); | |
1821 | if (!cmd) { | |
1822 | err = -ENOMEM; | |
1823 | goto failed; | |
1824 | } | |
1825 | ||
1826 | err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val); | |
1827 | if (err < 0) { | |
1828 | mgmt_pending_remove(cmd); | |
1829 | goto failed; | |
1830 | } | |
1831 | ||
1832 | failed: | |
1833 | hci_dev_unlock(hdev); | |
33ef95ed JH |
1834 | return err; |
1835 | } | |
1836 | ||
bdb6d971 | 1837 | static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
ed2c4ee3 JH |
1838 | { |
1839 | struct mgmt_mode *cp = data; | |
1840 | struct pending_cmd *cmd; | |
72ef0c1a | 1841 | u8 status; |
ed2c4ee3 JH |
1842 | int err; |
1843 | ||
bdb6d971 | 1844 | BT_DBG("request for %s", hdev->name); |
ed2c4ee3 | 1845 | |
cdba5281 MH |
1846 | status = mgmt_bredr_support(hdev); |
1847 | if (status) | |
1848 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status); | |
1849 | ||
13ecd8b6 JH |
1850 | if (!lmp_ssp_capable(hdev)) |
1851 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, | |
1852 | MGMT_STATUS_NOT_SUPPORTED); | |
ed2c4ee3 | 1853 | |
a7e80f25 JH |
1854 | if (cp->val != 0x00 && cp->val != 0x01) |
1855 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, | |
1856 | MGMT_STATUS_INVALID_PARAMS); | |
1857 | ||
13ecd8b6 | 1858 | hci_dev_lock(hdev); |
6c8f12c1 | 1859 | |
4b34ee78 | 1860 | if (!hdev_is_powered(hdev)) { |
9ecb3e24 | 1861 | bool changed; |
c0ecddc2 | 1862 | |
9ecb3e24 MH |
1863 | if (cp->val) { |
1864 | changed = !test_and_set_bit(HCI_SSP_ENABLED, | |
1865 | &hdev->dev_flags); | |
1866 | } else { | |
1867 | changed = test_and_clear_bit(HCI_SSP_ENABLED, | |
1868 | &hdev->dev_flags); | |
1869 | if (!changed) | |
1870 | changed = test_and_clear_bit(HCI_HS_ENABLED, | |
1871 | &hdev->dev_flags); | |
1872 | else | |
1873 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
c0ecddc2 JH |
1874 | } |
1875 | ||
1876 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); | |
1877 | if (err < 0) | |
1878 | goto failed; | |
1879 | ||
1880 | if (changed) | |
1881 | err = new_settings(hdev, sk); | |
1882 | ||
ed2c4ee3 JH |
1883 | goto failed; |
1884 | } | |
1885 | ||
9ecb3e24 MH |
1886 | if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) || |
1887 | mgmt_pending_find(MGMT_OP_SET_HS, hdev)) { | |
d97dcb66 SJ |
1888 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
1889 | MGMT_STATUS_BUSY); | |
ed2c4ee3 JH |
1890 | goto failed; |
1891 | } | |
1892 | ||
72ef0c1a | 1893 | if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { |
ed2c4ee3 JH |
1894 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); |
1895 | goto failed; | |
1896 | } | |
1897 | ||
1898 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len); | |
1899 | if (!cmd) { | |
1900 | err = -ENOMEM; | |
1901 | goto failed; | |
1902 | } | |
1903 | ||
3769972b JH |
1904 | if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags)) |
1905 | hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, | |
1906 | sizeof(cp->val), &cp->val); | |
1907 | ||
72ef0c1a | 1908 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val); |
ed2c4ee3 JH |
1909 | if (err < 0) { |
1910 | mgmt_pending_remove(cmd); | |
1911 | goto failed; | |
1912 | } | |
1913 | ||
1914 | failed: | |
1915 | hci_dev_unlock(hdev); | |
ed2c4ee3 JH |
1916 | return err; |
1917 | } | |
1918 | ||
bdb6d971 | 1919 | static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
6d80dfd0 JH |
1920 | { |
1921 | struct mgmt_mode *cp = data; | |
ee392693 | 1922 | bool changed; |
e6fe7986 | 1923 | u8 status; |
ee392693 | 1924 | int err; |
6d80dfd0 | 1925 | |
bdb6d971 | 1926 | BT_DBG("request for %s", hdev->name); |
6d80dfd0 | 1927 | |
e6fe7986 JH |
1928 | status = mgmt_bredr_support(hdev); |
1929 | if (status) | |
1930 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status); | |
6d80dfd0 | 1931 | |
9ecb3e24 MH |
1932 | if (!lmp_ssp_capable(hdev)) |
1933 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
1934 | MGMT_STATUS_NOT_SUPPORTED); | |
1935 | ||
1936 | if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) | |
1937 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
1938 | MGMT_STATUS_REJECTED); | |
1939 | ||
a7e80f25 JH |
1940 | if (cp->val != 0x00 && cp->val != 0x01) |
1941 | return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
1942 | MGMT_STATUS_INVALID_PARAMS); | |
1943 | ||
ee392693 MH |
1944 | hci_dev_lock(hdev); |
1945 | ||
a0cdf960 | 1946 | if (cp->val) { |
ee392693 | 1947 | changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags); |
a0cdf960 MH |
1948 | } else { |
1949 | if (hdev_is_powered(hdev)) { | |
1950 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS, | |
1951 | MGMT_STATUS_REJECTED); | |
1952 | goto unlock; | |
1953 | } | |
1954 | ||
ee392693 | 1955 | changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); |
a0cdf960 | 1956 | } |
ee392693 MH |
1957 | |
1958 | err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev); | |
1959 | if (err < 0) | |
1960 | goto unlock; | |
1961 | ||
1962 | if (changed) | |
1963 | err = new_settings(hdev, sk); | |
6d80dfd0 | 1964 | |
ee392693 MH |
1965 | unlock: |
1966 | hci_dev_unlock(hdev); | |
1967 | return err; | |
6d80dfd0 JH |
1968 | } |
1969 | ||
416a4ae5 JH |
1970 | static void le_enable_complete(struct hci_dev *hdev, u8 status) |
1971 | { | |
1972 | struct cmd_lookup match = { NULL, hdev }; | |
1973 | ||
1974 | if (status) { | |
1975 | u8 mgmt_err = mgmt_status(status); | |
1976 | ||
1977 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp, | |
1978 | &mgmt_err); | |
1979 | return; | |
1980 | } | |
1981 | ||
1982 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); | |
1983 | ||
1984 | new_settings(hdev, match.sk); | |
1985 | ||
1986 | if (match.sk) | |
1987 | sock_put(match.sk); | |
441ad2d0 MH |
1988 | |
1989 | /* Make sure the controller has a good default for | |
1990 | * advertising data. Restrict the update to when LE | |
1991 | * has actually been enabled. During power on, the | |
1992 | * update in powered_update_hci will take care of it. | |
1993 | */ | |
1994 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { | |
1995 | struct hci_request req; | |
1996 | ||
1997 | hci_dev_lock(hdev); | |
1998 | ||
1999 | hci_req_init(&req, hdev); | |
5947f4bc | 2000 | update_adv_data(&req); |
f14d8f64 | 2001 | update_scan_rsp_data(&req); |
441ad2d0 MH |
2002 | hci_req_run(&req, NULL); |
2003 | ||
2004 | hci_dev_unlock(hdev); | |
2005 | } | |
416a4ae5 JH |
2006 | } |
2007 | ||
bdb6d971 | 2008 | static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
06199cf8 JH |
2009 | { |
2010 | struct mgmt_mode *cp = data; | |
2011 | struct hci_cp_write_le_host_supported hci_cp; | |
2012 | struct pending_cmd *cmd; | |
416a4ae5 | 2013 | struct hci_request req; |
06199cf8 | 2014 | int err; |
0b60eba1 | 2015 | u8 val, enabled; |
06199cf8 | 2016 | |
bdb6d971 | 2017 | BT_DBG("request for %s", hdev->name); |
06199cf8 | 2018 | |
13ecd8b6 JH |
2019 | if (!lmp_le_capable(hdev)) |
2020 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
2021 | MGMT_STATUS_NOT_SUPPORTED); | |
1de028ce | 2022 | |
a7e80f25 JH |
2023 | if (cp->val != 0x00 && cp->val != 0x01) |
2024 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, | |
2025 | MGMT_STATUS_INVALID_PARAMS); | |
2026 | ||
c73eee91 | 2027 | /* LE-only devices do not allow toggling LE on/off */ |
56f87901 | 2028 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) |
c73eee91 JH |
2029 | return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
2030 | MGMT_STATUS_REJECTED); | |
2031 | ||
13ecd8b6 | 2032 | hci_dev_lock(hdev); |
06199cf8 JH |
2033 | |
2034 | val = !!cp->val; | |
ffa88e02 | 2035 | enabled = lmp_host_le_capable(hdev); |
06199cf8 | 2036 | |
0b60eba1 | 2037 | if (!hdev_is_powered(hdev) || val == enabled) { |
06199cf8 JH |
2038 | bool changed = false; |
2039 | ||
2040 | if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { | |
2041 | change_bit(HCI_LE_ENABLED, &hdev->dev_flags); | |
2042 | changed = true; | |
2043 | } | |
2044 | ||
f3d3444a JH |
2045 | if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { |
2046 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
eeca6f89 JH |
2047 | changed = true; |
2048 | } | |
2049 | ||
06199cf8 JH |
2050 | err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); |
2051 | if (err < 0) | |
1de028ce | 2052 | goto unlock; |
06199cf8 JH |
2053 | |
2054 | if (changed) | |
2055 | err = new_settings(hdev, sk); | |
2056 | ||
1de028ce | 2057 | goto unlock; |
06199cf8 JH |
2058 | } |
2059 | ||
4375f103 JH |
2060 | if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) || |
2061 | mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) { | |
bdb6d971 | 2062 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
04124681 | 2063 | MGMT_STATUS_BUSY); |
1de028ce | 2064 | goto unlock; |
06199cf8 JH |
2065 | } |
2066 | ||
2067 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len); | |
2068 | if (!cmd) { | |
2069 | err = -ENOMEM; | |
1de028ce | 2070 | goto unlock; |
06199cf8 JH |
2071 | } |
2072 | ||
441ad2d0 MH |
2073 | hci_req_init(&req, hdev); |
2074 | ||
06199cf8 JH |
2075 | memset(&hci_cp, 0, sizeof(hci_cp)); |
2076 | ||
2077 | if (val) { | |
2078 | hci_cp.le = val; | |
ffa88e02 | 2079 | hci_cp.simul = lmp_le_br_capable(hdev); |
441ad2d0 MH |
2080 | } else { |
2081 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
2082 | disable_advertising(&req); | |
06199cf8 JH |
2083 | } |
2084 | ||
416a4ae5 JH |
2085 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), |
2086 | &hci_cp); | |
2087 | ||
2088 | err = hci_req_run(&req, le_enable_complete); | |
0c01bc48 | 2089 | if (err < 0) |
06199cf8 | 2090 | mgmt_pending_remove(cmd); |
06199cf8 | 2091 | |
1de028ce JH |
2092 | unlock: |
2093 | hci_dev_unlock(hdev); | |
06199cf8 JH |
2094 | return err; |
2095 | } | |
2096 | ||
0cab9c80 JH |
2097 | /* This is a helper function to test for pending mgmt commands that can |
2098 | * cause CoD or EIR HCI commands. We can only allow one such pending | |
2099 | * mgmt command at a time since otherwise we cannot easily track what | |
2100 | * the current values are, will be, and based on that calculate if a new | |
2101 | * HCI command needs to be sent and if yes with what value. | |
2102 | */ | |
2103 | static bool pending_eir_or_class(struct hci_dev *hdev) | |
2104 | { | |
2105 | struct pending_cmd *cmd; | |
2106 | ||
2107 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
2108 | switch (cmd->opcode) { | |
2109 | case MGMT_OP_ADD_UUID: | |
2110 | case MGMT_OP_REMOVE_UUID: | |
2111 | case MGMT_OP_SET_DEV_CLASS: | |
2112 | case MGMT_OP_SET_POWERED: | |
2113 | return true; | |
2114 | } | |
2115 | } | |
2116 | ||
2117 | return false; | |
2118 | } | |
2119 | ||
83be8eca JH |
2120 | static const u8 bluetooth_base_uuid[] = { |
2121 | 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, | |
2122 | 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
2123 | }; | |
2124 | ||
2125 | static u8 get_uuid_size(const u8 *uuid) | |
2126 | { | |
2127 | u32 val; | |
2128 | ||
2129 | if (memcmp(uuid, bluetooth_base_uuid, 12)) | |
2130 | return 128; | |
2131 | ||
2132 | val = get_unaligned_le32(&uuid[12]); | |
2133 | if (val > 0xffff) | |
2134 | return 32; | |
2135 | ||
2136 | return 16; | |
2137 | } | |
2138 | ||
92da6097 JH |
2139 | static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status) |
2140 | { | |
2141 | struct pending_cmd *cmd; | |
2142 | ||
2143 | hci_dev_lock(hdev); | |
2144 | ||
2145 | cmd = mgmt_pending_find(mgmt_op, hdev); | |
2146 | if (!cmd) | |
2147 | goto unlock; | |
2148 | ||
2149 | cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status), | |
2150 | hdev->dev_class, 3); | |
2151 | ||
2152 | mgmt_pending_remove(cmd); | |
2153 | ||
2154 | unlock: | |
2155 | hci_dev_unlock(hdev); | |
2156 | } | |
2157 | ||
2158 | static void add_uuid_complete(struct hci_dev *hdev, u8 status) | |
2159 | { | |
2160 | BT_DBG("status 0x%02x", status); | |
2161 | ||
2162 | mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status); | |
2163 | } | |
2164 | ||
bdb6d971 | 2165 | static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
2aeb9a1a | 2166 | { |
650f726d | 2167 | struct mgmt_cp_add_uuid *cp = data; |
90e70454 | 2168 | struct pending_cmd *cmd; |
890ea898 | 2169 | struct hci_request req; |
2aeb9a1a | 2170 | struct bt_uuid *uuid; |
2aeb9a1a JH |
2171 | int err; |
2172 | ||
bdb6d971 | 2173 | BT_DBG("request for %s", hdev->name); |
2aeb9a1a | 2174 | |
09fd0de5 | 2175 | hci_dev_lock(hdev); |
2aeb9a1a | 2176 | |
0cab9c80 | 2177 | if (pending_eir_or_class(hdev)) { |
bdb6d971 | 2178 | err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID, |
04124681 | 2179 | MGMT_STATUS_BUSY); |
c95f0ba7 JH |
2180 | goto failed; |
2181 | } | |
2182 | ||
92c4c204 | 2183 | uuid = kmalloc(sizeof(*uuid), GFP_KERNEL); |
2aeb9a1a JH |
2184 | if (!uuid) { |
2185 | err = -ENOMEM; | |
2186 | goto failed; | |
2187 | } | |
2188 | ||
2189 | memcpy(uuid->uuid, cp->uuid, 16); | |
1aff6f09 | 2190 | uuid->svc_hint = cp->svc_hint; |
83be8eca | 2191 | uuid->size = get_uuid_size(cp->uuid); |
2aeb9a1a | 2192 | |
de66aa63 | 2193 | list_add_tail(&uuid->list, &hdev->uuids); |
2aeb9a1a | 2194 | |
890ea898 | 2195 | hci_req_init(&req, hdev); |
1aff6f09 | 2196 | |
890ea898 JH |
2197 | update_class(&req); |
2198 | update_eir(&req); | |
2199 | ||
92da6097 JH |
2200 | err = hci_req_run(&req, add_uuid_complete); |
2201 | if (err < 0) { | |
2202 | if (err != -ENODATA) | |
2203 | goto failed; | |
80a1e1db | 2204 | |
bdb6d971 | 2205 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0, |
04124681 | 2206 | hdev->dev_class, 3); |
90e70454 JH |
2207 | goto failed; |
2208 | } | |
2209 | ||
2210 | cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len); | |
890ea898 | 2211 | if (!cmd) { |
90e70454 | 2212 | err = -ENOMEM; |
890ea898 JH |
2213 | goto failed; |
2214 | } | |
2215 | ||
2216 | err = 0; | |
2aeb9a1a JH |
2217 | |
2218 | failed: | |
09fd0de5 | 2219 | hci_dev_unlock(hdev); |
2aeb9a1a JH |
2220 | return err; |
2221 | } | |
2222 | ||
24b78d0f JH |
2223 | static bool enable_service_cache(struct hci_dev *hdev) |
2224 | { | |
2225 | if (!hdev_is_powered(hdev)) | |
2226 | return false; | |
2227 | ||
2228 | if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { | |
46818ed5 JH |
2229 | queue_delayed_work(hdev->workqueue, &hdev->service_cache, |
2230 | CACHE_TIMEOUT); | |
24b78d0f JH |
2231 | return true; |
2232 | } | |
2233 | ||
2234 | return false; | |
2235 | } | |
2236 | ||
92da6097 JH |
2237 | static void remove_uuid_complete(struct hci_dev *hdev, u8 status) |
2238 | { | |
2239 | BT_DBG("status 0x%02x", status); | |
2240 | ||
2241 | mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status); | |
2242 | } | |
2243 | ||
bdb6d971 | 2244 | static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, |
8ce8e2b5 | 2245 | u16 len) |
2aeb9a1a | 2246 | { |
650f726d | 2247 | struct mgmt_cp_remove_uuid *cp = data; |
90e70454 | 2248 | struct pending_cmd *cmd; |
056341c8 | 2249 | struct bt_uuid *match, *tmp; |
2aeb9a1a | 2250 | u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
890ea898 | 2251 | struct hci_request req; |
2aeb9a1a JH |
2252 | int err, found; |
2253 | ||
bdb6d971 | 2254 | BT_DBG("request for %s", hdev->name); |
2aeb9a1a | 2255 | |
09fd0de5 | 2256 | hci_dev_lock(hdev); |
2aeb9a1a | 2257 | |
0cab9c80 | 2258 | if (pending_eir_or_class(hdev)) { |
bdb6d971 | 2259 | err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
04124681 | 2260 | MGMT_STATUS_BUSY); |
c95f0ba7 JH |
2261 | goto unlock; |
2262 | } | |
2263 | ||
2aeb9a1a | 2264 | if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { |
35f7498a | 2265 | hci_uuids_clear(hdev); |
4004b6d9 | 2266 | |
24b78d0f | 2267 | if (enable_service_cache(hdev)) { |
bdb6d971 | 2268 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
04124681 | 2269 | 0, hdev->dev_class, 3); |
24b78d0f JH |
2270 | goto unlock; |
2271 | } | |
4004b6d9 | 2272 | |
9246a869 | 2273 | goto update_class; |
2aeb9a1a JH |
2274 | } |
2275 | ||
2276 | found = 0; | |
2277 | ||
056341c8 | 2278 | list_for_each_entry_safe(match, tmp, &hdev->uuids, list) { |
2aeb9a1a JH |
2279 | if (memcmp(match->uuid, cp->uuid, 16) != 0) |
2280 | continue; | |
2281 | ||
2282 | list_del(&match->list); | |
482049f7 | 2283 | kfree(match); |
2aeb9a1a JH |
2284 | found++; |
2285 | } | |
2286 | ||
2287 | if (found == 0) { | |
bdb6d971 | 2288 | err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
04124681 | 2289 | MGMT_STATUS_INVALID_PARAMS); |
2aeb9a1a JH |
2290 | goto unlock; |
2291 | } | |
2292 | ||
9246a869 | 2293 | update_class: |
890ea898 | 2294 | hci_req_init(&req, hdev); |
1aff6f09 | 2295 | |
890ea898 JH |
2296 | update_class(&req); |
2297 | update_eir(&req); | |
2298 | ||
92da6097 JH |
2299 | err = hci_req_run(&req, remove_uuid_complete); |
2300 | if (err < 0) { | |
2301 | if (err != -ENODATA) | |
2302 | goto unlock; | |
80a1e1db | 2303 | |
bdb6d971 | 2304 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0, |
04124681 | 2305 | hdev->dev_class, 3); |
90e70454 JH |
2306 | goto unlock; |
2307 | } | |
2308 | ||
2309 | cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len); | |
890ea898 | 2310 | if (!cmd) { |
90e70454 | 2311 | err = -ENOMEM; |
890ea898 JH |
2312 | goto unlock; |
2313 | } | |
2314 | ||
2315 | err = 0; | |
2aeb9a1a JH |
2316 | |
2317 | unlock: | |
09fd0de5 | 2318 | hci_dev_unlock(hdev); |
2aeb9a1a JH |
2319 | return err; |
2320 | } | |
2321 | ||
92da6097 JH |
2322 | static void set_class_complete(struct hci_dev *hdev, u8 status) |
2323 | { | |
2324 | BT_DBG("status 0x%02x", status); | |
2325 | ||
2326 | mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status); | |
2327 | } | |
2328 | ||
bdb6d971 | 2329 | static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2330 | u16 len) |
1aff6f09 | 2331 | { |
650f726d | 2332 | struct mgmt_cp_set_dev_class *cp = data; |
90e70454 | 2333 | struct pending_cmd *cmd; |
890ea898 | 2334 | struct hci_request req; |
1aff6f09 JH |
2335 | int err; |
2336 | ||
bdb6d971 | 2337 | BT_DBG("request for %s", hdev->name); |
1aff6f09 | 2338 | |
6203fc98 | 2339 | if (!lmp_bredr_capable(hdev)) |
13ecd8b6 JH |
2340 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
2341 | MGMT_STATUS_NOT_SUPPORTED); | |
1aff6f09 | 2342 | |
0cab9c80 | 2343 | hci_dev_lock(hdev); |
ee98f473 | 2344 | |
0cab9c80 JH |
2345 | if (pending_eir_or_class(hdev)) { |
2346 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, | |
2347 | MGMT_STATUS_BUSY); | |
2348 | goto unlock; | |
2349 | } | |
c95f0ba7 | 2350 | |
0cab9c80 JH |
2351 | if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) { |
2352 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, | |
2353 | MGMT_STATUS_INVALID_PARAMS); | |
2354 | goto unlock; | |
2355 | } | |
575b3a02 | 2356 | |
932f5ff5 JH |
2357 | hdev->major_class = cp->major; |
2358 | hdev->minor_class = cp->minor; | |
2359 | ||
b5235a65 | 2360 | if (!hdev_is_powered(hdev)) { |
bdb6d971 | 2361 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
04124681 | 2362 | hdev->dev_class, 3); |
b5235a65 JH |
2363 | goto unlock; |
2364 | } | |
2365 | ||
890ea898 JH |
2366 | hci_req_init(&req, hdev); |
2367 | ||
a8b2d5c2 | 2368 | if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { |
7d78525d JH |
2369 | hci_dev_unlock(hdev); |
2370 | cancel_delayed_work_sync(&hdev->service_cache); | |
2371 | hci_dev_lock(hdev); | |
890ea898 | 2372 | update_eir(&req); |
7d78525d | 2373 | } |
14c0b608 | 2374 | |
890ea898 JH |
2375 | update_class(&req); |
2376 | ||
92da6097 JH |
2377 | err = hci_req_run(&req, set_class_complete); |
2378 | if (err < 0) { | |
2379 | if (err != -ENODATA) | |
2380 | goto unlock; | |
1aff6f09 | 2381 | |
bdb6d971 | 2382 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
04124681 | 2383 | hdev->dev_class, 3); |
90e70454 JH |
2384 | goto unlock; |
2385 | } | |
2386 | ||
2387 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len); | |
890ea898 | 2388 | if (!cmd) { |
90e70454 | 2389 | err = -ENOMEM; |
890ea898 JH |
2390 | goto unlock; |
2391 | } | |
2392 | ||
2393 | err = 0; | |
1aff6f09 | 2394 | |
b5235a65 | 2395 | unlock: |
09fd0de5 | 2396 | hci_dev_unlock(hdev); |
1aff6f09 JH |
2397 | return err; |
2398 | } | |
2399 | ||
bdb6d971 | 2400 | static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, |
8ce8e2b5 | 2401 | u16 len) |
55ed8ca1 | 2402 | { |
650f726d | 2403 | struct mgmt_cp_load_link_keys *cp = data; |
4e51eae9 | 2404 | u16 key_count, expected_len; |
b1de97d8 | 2405 | bool changed; |
a492cd52 | 2406 | int i; |
55ed8ca1 | 2407 | |
9060d5cf MH |
2408 | BT_DBG("request for %s", hdev->name); |
2409 | ||
2410 | if (!lmp_bredr_capable(hdev)) | |
2411 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2412 | MGMT_STATUS_NOT_SUPPORTED); | |
2413 | ||
1f350c87 | 2414 | key_count = __le16_to_cpu(cp->key_count); |
55ed8ca1 | 2415 | |
86742e1e JH |
2416 | expected_len = sizeof(*cp) + key_count * |
2417 | sizeof(struct mgmt_link_key_info); | |
a492cd52 | 2418 | if (expected_len != len) { |
86742e1e | 2419 | BT_ERR("load_link_keys: expected %u bytes, got %u bytes", |
2606ecbc | 2420 | expected_len, len); |
bdb6d971 | 2421 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
04124681 | 2422 | MGMT_STATUS_INVALID_PARAMS); |
55ed8ca1 JH |
2423 | } |
2424 | ||
4ae14301 JH |
2425 | if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01) |
2426 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, | |
2427 | MGMT_STATUS_INVALID_PARAMS); | |
2428 | ||
bdb6d971 | 2429 | BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys, |
8ce8e2b5 | 2430 | key_count); |
55ed8ca1 | 2431 | |
4ee71b20 JH |
2432 | for (i = 0; i < key_count; i++) { |
2433 | struct mgmt_link_key_info *key = &cp->keys[i]; | |
2434 | ||
8e991132 | 2435 | if (key->addr.type != BDADDR_BREDR || key->type > 0x08) |
4ee71b20 JH |
2436 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
2437 | MGMT_STATUS_INVALID_PARAMS); | |
2438 | } | |
2439 | ||
09fd0de5 | 2440 | hci_dev_lock(hdev); |
55ed8ca1 JH |
2441 | |
2442 | hci_link_keys_clear(hdev); | |
2443 | ||
55ed8ca1 | 2444 | if (cp->debug_keys) |
0663b297 JH |
2445 | changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS, |
2446 | &hdev->dev_flags); | |
55ed8ca1 | 2447 | else |
0663b297 JH |
2448 | changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS, |
2449 | &hdev->dev_flags); | |
b1de97d8 MH |
2450 | |
2451 | if (changed) | |
2452 | new_settings(hdev, NULL); | |
55ed8ca1 | 2453 | |
a492cd52 | 2454 | for (i = 0; i < key_count; i++) { |
86742e1e | 2455 | struct mgmt_link_key_info *key = &cp->keys[i]; |
55ed8ca1 | 2456 | |
58e9293c JH |
2457 | /* Always ignore debug keys and require a new pairing if |
2458 | * the user wants to use them. | |
2459 | */ | |
2460 | if (key->type == HCI_LK_DEBUG_COMBINATION) | |
2461 | continue; | |
2462 | ||
7652ff6a JH |
2463 | hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val, |
2464 | key->type, key->pin_len, NULL); | |
55ed8ca1 JH |
2465 | } |
2466 | ||
bdb6d971 | 2467 | cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0); |
0e5f875a | 2468 | |
09fd0de5 | 2469 | hci_dev_unlock(hdev); |
55ed8ca1 | 2470 | |
a492cd52 | 2471 | return 0; |
55ed8ca1 JH |
2472 | } |
2473 | ||
b1078ad0 | 2474 | static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 2475 | u8 addr_type, struct sock *skip_sk) |
b1078ad0 JH |
2476 | { |
2477 | struct mgmt_ev_device_unpaired ev; | |
2478 | ||
2479 | bacpy(&ev.addr.bdaddr, bdaddr); | |
2480 | ev.addr.type = addr_type; | |
2481 | ||
2482 | return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev), | |
04124681 | 2483 | skip_sk); |
b1078ad0 JH |
2484 | } |
2485 | ||
bdb6d971 | 2486 | static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2487 | u16 len) |
55ed8ca1 | 2488 | { |
124f6e35 JH |
2489 | struct mgmt_cp_unpair_device *cp = data; |
2490 | struct mgmt_rp_unpair_device rp; | |
a8a1d19e JH |
2491 | struct hci_cp_disconnect dc; |
2492 | struct pending_cmd *cmd; | |
55ed8ca1 | 2493 | struct hci_conn *conn; |
55ed8ca1 JH |
2494 | int err; |
2495 | ||
a8a1d19e | 2496 | memset(&rp, 0, sizeof(rp)); |
124f6e35 JH |
2497 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
2498 | rp.addr.type = cp->addr.type; | |
a8a1d19e | 2499 | |
4ee71b20 JH |
2500 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2501 | return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2502 | MGMT_STATUS_INVALID_PARAMS, | |
2503 | &rp, sizeof(rp)); | |
2504 | ||
118da70b JH |
2505 | if (cp->disconnect != 0x00 && cp->disconnect != 0x01) |
2506 | return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, | |
2507 | MGMT_STATUS_INVALID_PARAMS, | |
2508 | &rp, sizeof(rp)); | |
2509 | ||
4ee71b20 JH |
2510 | hci_dev_lock(hdev); |
2511 | ||
86a8cfc6 | 2512 | if (!hdev_is_powered(hdev)) { |
bdb6d971 | 2513 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
04124681 | 2514 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); |
86a8cfc6 JH |
2515 | goto unlock; |
2516 | } | |
2517 | ||
e0b2b27e | 2518 | if (cp->addr.type == BDADDR_BREDR) { |
124f6e35 | 2519 | err = hci_remove_link_key(hdev, &cp->addr.bdaddr); |
e0b2b27e JH |
2520 | } else { |
2521 | u8 addr_type; | |
2522 | ||
2523 | if (cp->addr.type == BDADDR_LE_PUBLIC) | |
2524 | addr_type = ADDR_LE_DEV_PUBLIC; | |
2525 | else | |
2526 | addr_type = ADDR_LE_DEV_RANDOM; | |
2527 | ||
a7ec7338 JH |
2528 | hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type); |
2529 | ||
a9b0a04c AG |
2530 | hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type); |
2531 | ||
e0b2b27e JH |
2532 | err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type); |
2533 | } | |
b0dbfb46 | 2534 | |
55ed8ca1 | 2535 | if (err < 0) { |
bdb6d971 | 2536 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
04124681 | 2537 | MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp)); |
55ed8ca1 JH |
2538 | goto unlock; |
2539 | } | |
2540 | ||
86a8cfc6 | 2541 | if (cp->disconnect) { |
591f47f3 | 2542 | if (cp->addr.type == BDADDR_BREDR) |
86a8cfc6 | 2543 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, |
8ce8e2b5 | 2544 | &cp->addr.bdaddr); |
86a8cfc6 JH |
2545 | else |
2546 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, | |
8ce8e2b5 | 2547 | &cp->addr.bdaddr); |
86a8cfc6 JH |
2548 | } else { |
2549 | conn = NULL; | |
2550 | } | |
124f6e35 | 2551 | |
a8a1d19e | 2552 | if (!conn) { |
bdb6d971 | 2553 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0, |
04124681 | 2554 | &rp, sizeof(rp)); |
b1078ad0 | 2555 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk); |
a8a1d19e JH |
2556 | goto unlock; |
2557 | } | |
55ed8ca1 | 2558 | |
124f6e35 | 2559 | cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp, |
04124681 | 2560 | sizeof(*cp)); |
a8a1d19e JH |
2561 | if (!cmd) { |
2562 | err = -ENOMEM; | |
2563 | goto unlock; | |
55ed8ca1 JH |
2564 | } |
2565 | ||
eb55ef07 | 2566 | dc.handle = cpu_to_le16(conn->handle); |
a8a1d19e JH |
2567 | dc.reason = 0x13; /* Remote User Terminated Connection */ |
2568 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
2569 | if (err < 0) | |
2570 | mgmt_pending_remove(cmd); | |
2571 | ||
55ed8ca1 | 2572 | unlock: |
09fd0de5 | 2573 | hci_dev_unlock(hdev); |
55ed8ca1 JH |
2574 | return err; |
2575 | } | |
2576 | ||
bdb6d971 | 2577 | static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2578 | u16 len) |
8962ee74 | 2579 | { |
650f726d | 2580 | struct mgmt_cp_disconnect *cp = data; |
06a63b19 | 2581 | struct mgmt_rp_disconnect rp; |
8962ee74 | 2582 | struct hci_cp_disconnect dc; |
366a0336 | 2583 | struct pending_cmd *cmd; |
8962ee74 | 2584 | struct hci_conn *conn; |
8962ee74 JH |
2585 | int err; |
2586 | ||
2587 | BT_DBG(""); | |
2588 | ||
06a63b19 JH |
2589 | memset(&rp, 0, sizeof(rp)); |
2590 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
2591 | rp.addr.type = cp->addr.type; | |
2592 | ||
4ee71b20 | 2593 | if (!bdaddr_type_is_valid(cp->addr.type)) |
06a63b19 JH |
2594 | return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
2595 | MGMT_STATUS_INVALID_PARAMS, | |
2596 | &rp, sizeof(rp)); | |
4ee71b20 | 2597 | |
09fd0de5 | 2598 | hci_dev_lock(hdev); |
8962ee74 JH |
2599 | |
2600 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
06a63b19 JH |
2601 | err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
2602 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
8962ee74 JH |
2603 | goto failed; |
2604 | } | |
2605 | ||
2e58ef3e | 2606 | if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) { |
06a63b19 JH |
2607 | err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
2608 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
8962ee74 JH |
2609 | goto failed; |
2610 | } | |
2611 | ||
591f47f3 | 2612 | if (cp->addr.type == BDADDR_BREDR) |
8fc9ced3 GP |
2613 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, |
2614 | &cp->addr.bdaddr); | |
88c3df13 JH |
2615 | else |
2616 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); | |
365227e5 | 2617 | |
f960727e | 2618 | if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) { |
06a63b19 JH |
2619 | err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
2620 | MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp)); | |
8962ee74 JH |
2621 | goto failed; |
2622 | } | |
2623 | ||
2e58ef3e | 2624 | cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len); |
366a0336 JH |
2625 | if (!cmd) { |
2626 | err = -ENOMEM; | |
8962ee74 | 2627 | goto failed; |
366a0336 | 2628 | } |
8962ee74 | 2629 | |
eb55ef07 | 2630 | dc.handle = cpu_to_le16(conn->handle); |
3701f944 | 2631 | dc.reason = HCI_ERROR_REMOTE_USER_TERM; |
8962ee74 JH |
2632 | |
2633 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
2634 | if (err < 0) | |
a664b5bc | 2635 | mgmt_pending_remove(cmd); |
8962ee74 JH |
2636 | |
2637 | failed: | |
09fd0de5 | 2638 | hci_dev_unlock(hdev); |
8962ee74 JH |
2639 | return err; |
2640 | } | |
2641 | ||
57c1477c | 2642 | static u8 link_to_bdaddr(u8 link_type, u8 addr_type) |
4c659c39 JH |
2643 | { |
2644 | switch (link_type) { | |
2645 | case LE_LINK: | |
48264f06 JH |
2646 | switch (addr_type) { |
2647 | case ADDR_LE_DEV_PUBLIC: | |
591f47f3 | 2648 | return BDADDR_LE_PUBLIC; |
0ed09148 | 2649 | |
48264f06 | 2650 | default: |
0ed09148 | 2651 | /* Fallback to LE Random address type */ |
591f47f3 | 2652 | return BDADDR_LE_RANDOM; |
48264f06 | 2653 | } |
0ed09148 | 2654 | |
4c659c39 | 2655 | default: |
0ed09148 | 2656 | /* Fallback to BR/EDR type */ |
591f47f3 | 2657 | return BDADDR_BREDR; |
4c659c39 JH |
2658 | } |
2659 | } | |
2660 | ||
04124681 GP |
2661 | static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data, |
2662 | u16 data_len) | |
2784eb41 | 2663 | { |
2784eb41 | 2664 | struct mgmt_rp_get_connections *rp; |
8035ded4 | 2665 | struct hci_conn *c; |
a38528f1 | 2666 | size_t rp_len; |
60fc5fb6 JH |
2667 | int err; |
2668 | u16 i; | |
2784eb41 JH |
2669 | |
2670 | BT_DBG(""); | |
2671 | ||
09fd0de5 | 2672 | hci_dev_lock(hdev); |
2784eb41 | 2673 | |
5f97c1df | 2674 | if (!hdev_is_powered(hdev)) { |
bdb6d971 | 2675 | err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, |
04124681 | 2676 | MGMT_STATUS_NOT_POWERED); |
5f97c1df JH |
2677 | goto unlock; |
2678 | } | |
2679 | ||
60fc5fb6 | 2680 | i = 0; |
b644ba33 JH |
2681 | list_for_each_entry(c, &hdev->conn_hash.list, list) { |
2682 | if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) | |
60fc5fb6 | 2683 | i++; |
2784eb41 JH |
2684 | } |
2685 | ||
60fc5fb6 | 2686 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); |
92c4c204 | 2687 | rp = kmalloc(rp_len, GFP_KERNEL); |
a38528f1 | 2688 | if (!rp) { |
2784eb41 JH |
2689 | err = -ENOMEM; |
2690 | goto unlock; | |
2691 | } | |
2692 | ||
2784eb41 | 2693 | i = 0; |
4c659c39 | 2694 | list_for_each_entry(c, &hdev->conn_hash.list, list) { |
b644ba33 JH |
2695 | if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) |
2696 | continue; | |
4c659c39 | 2697 | bacpy(&rp->addr[i].bdaddr, &c->dst); |
57c1477c | 2698 | rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type); |
0ed09148 | 2699 | if (c->type == SCO_LINK || c->type == ESCO_LINK) |
4c659c39 JH |
2700 | continue; |
2701 | i++; | |
2702 | } | |
2703 | ||
eb55ef07 | 2704 | rp->conn_count = cpu_to_le16(i); |
60fc5fb6 | 2705 | |
4c659c39 JH |
2706 | /* Recalculate length in case of filtered SCO connections, etc */ |
2707 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); | |
2784eb41 | 2708 | |
bdb6d971 | 2709 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp, |
04124681 | 2710 | rp_len); |
2784eb41 | 2711 | |
a38528f1 | 2712 | kfree(rp); |
5f97c1df JH |
2713 | |
2714 | unlock: | |
09fd0de5 | 2715 | hci_dev_unlock(hdev); |
2784eb41 JH |
2716 | return err; |
2717 | } | |
2718 | ||
bdb6d971 | 2719 | static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
04124681 | 2720 | struct mgmt_cp_pin_code_neg_reply *cp) |
96d97a67 WR |
2721 | { |
2722 | struct pending_cmd *cmd; | |
2723 | int err; | |
2724 | ||
2e58ef3e | 2725 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp, |
04124681 | 2726 | sizeof(*cp)); |
96d97a67 WR |
2727 | if (!cmd) |
2728 | return -ENOMEM; | |
2729 | ||
d8457698 | 2730 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
04124681 | 2731 | sizeof(cp->addr.bdaddr), &cp->addr.bdaddr); |
96d97a67 WR |
2732 | if (err < 0) |
2733 | mgmt_pending_remove(cmd); | |
2734 | ||
2735 | return err; | |
2736 | } | |
2737 | ||
bdb6d971 | 2738 | static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2739 | u16 len) |
980e1a53 | 2740 | { |
96d97a67 | 2741 | struct hci_conn *conn; |
650f726d | 2742 | struct mgmt_cp_pin_code_reply *cp = data; |
980e1a53 | 2743 | struct hci_cp_pin_code_reply reply; |
366a0336 | 2744 | struct pending_cmd *cmd; |
980e1a53 JH |
2745 | int err; |
2746 | ||
2747 | BT_DBG(""); | |
2748 | ||
09fd0de5 | 2749 | hci_dev_lock(hdev); |
980e1a53 | 2750 | |
4b34ee78 | 2751 | if (!hdev_is_powered(hdev)) { |
bdb6d971 | 2752 | err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
04124681 | 2753 | MGMT_STATUS_NOT_POWERED); |
980e1a53 JH |
2754 | goto failed; |
2755 | } | |
2756 | ||
d8457698 | 2757 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr); |
96d97a67 | 2758 | if (!conn) { |
bdb6d971 | 2759 | err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
04124681 | 2760 | MGMT_STATUS_NOT_CONNECTED); |
96d97a67 WR |
2761 | goto failed; |
2762 | } | |
2763 | ||
2764 | if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) { | |
d8457698 JH |
2765 | struct mgmt_cp_pin_code_neg_reply ncp; |
2766 | ||
2767 | memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr)); | |
96d97a67 WR |
2768 | |
2769 | BT_ERR("PIN code is not 16 bytes long"); | |
2770 | ||
bdb6d971 | 2771 | err = send_pin_code_neg_reply(sk, hdev, &ncp); |
96d97a67 | 2772 | if (err >= 0) |
bdb6d971 | 2773 | err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
04124681 | 2774 | MGMT_STATUS_INVALID_PARAMS); |
96d97a67 WR |
2775 | |
2776 | goto failed; | |
2777 | } | |
2778 | ||
00abfe44 | 2779 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len); |
366a0336 JH |
2780 | if (!cmd) { |
2781 | err = -ENOMEM; | |
980e1a53 | 2782 | goto failed; |
366a0336 | 2783 | } |
980e1a53 | 2784 | |
d8457698 | 2785 | bacpy(&reply.bdaddr, &cp->addr.bdaddr); |
980e1a53 | 2786 | reply.pin_len = cp->pin_len; |
24718ca5 | 2787 | memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code)); |
980e1a53 JH |
2788 | |
2789 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply); | |
2790 | if (err < 0) | |
a664b5bc | 2791 | mgmt_pending_remove(cmd); |
980e1a53 JH |
2792 | |
2793 | failed: | |
09fd0de5 | 2794 | hci_dev_unlock(hdev); |
980e1a53 JH |
2795 | return err; |
2796 | } | |
2797 | ||
04124681 GP |
2798 | static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data, |
2799 | u16 len) | |
17fa4b9d | 2800 | { |
650f726d | 2801 | struct mgmt_cp_set_io_capability *cp = data; |
17fa4b9d JH |
2802 | |
2803 | BT_DBG(""); | |
2804 | ||
4ec86d4c JH |
2805 | if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY) |
2806 | return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, | |
2807 | MGMT_STATUS_INVALID_PARAMS, NULL, 0); | |
2808 | ||
09fd0de5 | 2809 | hci_dev_lock(hdev); |
17fa4b9d JH |
2810 | |
2811 | hdev->io_capability = cp->io_capability; | |
2812 | ||
2813 | BT_DBG("%s IO capability set to 0x%02x", hdev->name, | |
8ce8e2b5 | 2814 | hdev->io_capability); |
17fa4b9d | 2815 | |
09fd0de5 | 2816 | hci_dev_unlock(hdev); |
17fa4b9d | 2817 | |
04124681 GP |
2818 | return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL, |
2819 | 0); | |
17fa4b9d JH |
2820 | } |
2821 | ||
6039aa73 | 2822 | static struct pending_cmd *find_pairing(struct hci_conn *conn) |
e9a416b5 JH |
2823 | { |
2824 | struct hci_dev *hdev = conn->hdev; | |
8035ded4 | 2825 | struct pending_cmd *cmd; |
e9a416b5 | 2826 | |
2e58ef3e | 2827 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { |
e9a416b5 JH |
2828 | if (cmd->opcode != MGMT_OP_PAIR_DEVICE) |
2829 | continue; | |
2830 | ||
e9a416b5 JH |
2831 | if (cmd->user_data != conn) |
2832 | continue; | |
2833 | ||
2834 | return cmd; | |
2835 | } | |
2836 | ||
2837 | return NULL; | |
2838 | } | |
2839 | ||
2840 | static void pairing_complete(struct pending_cmd *cmd, u8 status) | |
2841 | { | |
2842 | struct mgmt_rp_pair_device rp; | |
2843 | struct hci_conn *conn = cmd->user_data; | |
2844 | ||
61b1a7fb JH |
2845 | bacpy(&rp.addr.bdaddr, &conn->dst); |
2846 | rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
e9a416b5 | 2847 | |
aee9b218 | 2848 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status, |
04124681 | 2849 | &rp, sizeof(rp)); |
e9a416b5 JH |
2850 | |
2851 | /* So we don't get further callbacks for this connection */ | |
2852 | conn->connect_cfm_cb = NULL; | |
2853 | conn->security_cfm_cb = NULL; | |
2854 | conn->disconn_cfm_cb = NULL; | |
2855 | ||
76a68ba0 | 2856 | hci_conn_drop(conn); |
e9a416b5 | 2857 | |
a664b5bc | 2858 | mgmt_pending_remove(cmd); |
e9a416b5 JH |
2859 | } |
2860 | ||
f4a407be JH |
2861 | void mgmt_smp_complete(struct hci_conn *conn, bool complete) |
2862 | { | |
2863 | u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED; | |
2864 | struct pending_cmd *cmd; | |
2865 | ||
2866 | cmd = find_pairing(conn); | |
2867 | if (cmd) | |
2868 | pairing_complete(cmd, status); | |
2869 | } | |
2870 | ||
e9a416b5 JH |
2871 | static void pairing_complete_cb(struct hci_conn *conn, u8 status) |
2872 | { | |
2873 | struct pending_cmd *cmd; | |
2874 | ||
2875 | BT_DBG("status %u", status); | |
2876 | ||
2877 | cmd = find_pairing(conn); | |
56e5cb86 | 2878 | if (!cmd) |
e9a416b5 | 2879 | BT_DBG("Unable to find a pending command"); |
56e5cb86 | 2880 | else |
e211326c | 2881 | pairing_complete(cmd, mgmt_status(status)); |
e9a416b5 JH |
2882 | } |
2883 | ||
f4a407be | 2884 | static void le_pairing_complete_cb(struct hci_conn *conn, u8 status) |
4c47d739 VA |
2885 | { |
2886 | struct pending_cmd *cmd; | |
2887 | ||
2888 | BT_DBG("status %u", status); | |
2889 | ||
2890 | if (!status) | |
2891 | return; | |
2892 | ||
2893 | cmd = find_pairing(conn); | |
2894 | if (!cmd) | |
2895 | BT_DBG("Unable to find a pending command"); | |
2896 | else | |
2897 | pairing_complete(cmd, mgmt_status(status)); | |
2898 | } | |
2899 | ||
bdb6d971 | 2900 | static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2901 | u16 len) |
e9a416b5 | 2902 | { |
650f726d | 2903 | struct mgmt_cp_pair_device *cp = data; |
1425acb7 | 2904 | struct mgmt_rp_pair_device rp; |
e9a416b5 JH |
2905 | struct pending_cmd *cmd; |
2906 | u8 sec_level, auth_type; | |
2907 | struct hci_conn *conn; | |
e9a416b5 JH |
2908 | int err; |
2909 | ||
2910 | BT_DBG(""); | |
2911 | ||
f950a30e SJ |
2912 | memset(&rp, 0, sizeof(rp)); |
2913 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
2914 | rp.addr.type = cp->addr.type; | |
2915 | ||
4ee71b20 JH |
2916 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2917 | return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
2918 | MGMT_STATUS_INVALID_PARAMS, | |
2919 | &rp, sizeof(rp)); | |
2920 | ||
4ec86d4c JH |
2921 | if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY) |
2922 | return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
2923 | MGMT_STATUS_INVALID_PARAMS, | |
2924 | &rp, sizeof(rp)); | |
2925 | ||
09fd0de5 | 2926 | hci_dev_lock(hdev); |
e9a416b5 | 2927 | |
5f97c1df | 2928 | if (!hdev_is_powered(hdev)) { |
f950a30e SJ |
2929 | err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
2930 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
5f97c1df JH |
2931 | goto unlock; |
2932 | } | |
2933 | ||
c908df36 | 2934 | sec_level = BT_SECURITY_MEDIUM; |
6fd6b915 | 2935 | auth_type = HCI_AT_DEDICATED_BONDING; |
e9a416b5 | 2936 | |
6f77d8c7 | 2937 | if (cp->addr.type == BDADDR_BREDR) { |
04a6c589 AG |
2938 | conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level, |
2939 | auth_type); | |
6f77d8c7 AG |
2940 | } else { |
2941 | u8 addr_type; | |
2942 | ||
2943 | /* Convert from L2CAP channel address type to HCI address type | |
2944 | */ | |
2945 | if (cp->addr.type == BDADDR_LE_PUBLIC) | |
2946 | addr_type = ADDR_LE_DEV_PUBLIC; | |
2947 | else | |
2948 | addr_type = ADDR_LE_DEV_RANDOM; | |
2949 | ||
7c264b10 MH |
2950 | /* When pairing a new device, it is expected to remember |
2951 | * this device for future connections. Adding the connection | |
2952 | * parameter information ahead of time allows tracking | |
2953 | * of the slave preferred values and will speed up any | |
2954 | * further connection establishment. | |
2955 | * | |
2956 | * If connection parameters already exist, then they | |
2957 | * will be kept and this function does nothing. | |
2958 | */ | |
2959 | hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type); | |
2960 | ||
6f77d8c7 | 2961 | conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type, |
04a6c589 | 2962 | sec_level, auth_type); |
6f77d8c7 | 2963 | } |
7a512d01 | 2964 | |
30e76272 | 2965 | if (IS_ERR(conn)) { |
489dc48e AK |
2966 | int status; |
2967 | ||
2968 | if (PTR_ERR(conn) == -EBUSY) | |
2969 | status = MGMT_STATUS_BUSY; | |
2970 | else | |
2971 | status = MGMT_STATUS_CONNECT_FAILED; | |
2972 | ||
bdb6d971 | 2973 | err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
489dc48e | 2974 | status, &rp, |
04124681 | 2975 | sizeof(rp)); |
e9a416b5 JH |
2976 | goto unlock; |
2977 | } | |
2978 | ||
2979 | if (conn->connect_cfm_cb) { | |
76a68ba0 | 2980 | hci_conn_drop(conn); |
bdb6d971 | 2981 | err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
04124681 | 2982 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); |
e9a416b5 JH |
2983 | goto unlock; |
2984 | } | |
2985 | ||
2e58ef3e | 2986 | cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len); |
e9a416b5 JH |
2987 | if (!cmd) { |
2988 | err = -ENOMEM; | |
76a68ba0 | 2989 | hci_conn_drop(conn); |
e9a416b5 JH |
2990 | goto unlock; |
2991 | } | |
2992 | ||
7a512d01 | 2993 | /* For LE, just connecting isn't a proof that the pairing finished */ |
f4a407be | 2994 | if (cp->addr.type == BDADDR_BREDR) { |
7a512d01 | 2995 | conn->connect_cfm_cb = pairing_complete_cb; |
f4a407be JH |
2996 | conn->security_cfm_cb = pairing_complete_cb; |
2997 | conn->disconn_cfm_cb = pairing_complete_cb; | |
2998 | } else { | |
2999 | conn->connect_cfm_cb = le_pairing_complete_cb; | |
3000 | conn->security_cfm_cb = le_pairing_complete_cb; | |
3001 | conn->disconn_cfm_cb = le_pairing_complete_cb; | |
3002 | } | |
7a512d01 | 3003 | |
e9a416b5 JH |
3004 | conn->io_capability = cp->io_cap; |
3005 | cmd->user_data = conn; | |
3006 | ||
3007 | if (conn->state == BT_CONNECTED && | |
8ce8e2b5 | 3008 | hci_conn_security(conn, sec_level, auth_type)) |
e9a416b5 JH |
3009 | pairing_complete(cmd, 0); |
3010 | ||
3011 | err = 0; | |
3012 | ||
3013 | unlock: | |
09fd0de5 | 3014 | hci_dev_unlock(hdev); |
e9a416b5 JH |
3015 | return err; |
3016 | } | |
3017 | ||
04124681 GP |
3018 | static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
3019 | u16 len) | |
28424707 | 3020 | { |
0f4e68cf | 3021 | struct mgmt_addr_info *addr = data; |
28424707 JH |
3022 | struct pending_cmd *cmd; |
3023 | struct hci_conn *conn; | |
3024 | int err; | |
3025 | ||
3026 | BT_DBG(""); | |
3027 | ||
28424707 JH |
3028 | hci_dev_lock(hdev); |
3029 | ||
5f97c1df | 3030 | if (!hdev_is_powered(hdev)) { |
bdb6d971 | 3031 | err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
04124681 | 3032 | MGMT_STATUS_NOT_POWERED); |
5f97c1df JH |
3033 | goto unlock; |
3034 | } | |
3035 | ||
28424707 JH |
3036 | cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev); |
3037 | if (!cmd) { | |
bdb6d971 | 3038 | err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
04124681 | 3039 | MGMT_STATUS_INVALID_PARAMS); |
28424707 JH |
3040 | goto unlock; |
3041 | } | |
3042 | ||
3043 | conn = cmd->user_data; | |
3044 | ||
3045 | if (bacmp(&addr->bdaddr, &conn->dst) != 0) { | |
bdb6d971 | 3046 | err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
04124681 | 3047 | MGMT_STATUS_INVALID_PARAMS); |
28424707 JH |
3048 | goto unlock; |
3049 | } | |
3050 | ||
3051 | pairing_complete(cmd, MGMT_STATUS_CANCELLED); | |
3052 | ||
bdb6d971 | 3053 | err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0, |
04124681 | 3054 | addr, sizeof(*addr)); |
28424707 JH |
3055 | unlock: |
3056 | hci_dev_unlock(hdev); | |
28424707 JH |
3057 | return err; |
3058 | } | |
3059 | ||
bdb6d971 | 3060 | static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, |
1707c60e | 3061 | struct mgmt_addr_info *addr, u16 mgmt_op, |
04124681 | 3062 | u16 hci_op, __le32 passkey) |
a5c29683 | 3063 | { |
a5c29683 | 3064 | struct pending_cmd *cmd; |
0df4c185 | 3065 | struct hci_conn *conn; |
a5c29683 JH |
3066 | int err; |
3067 | ||
09fd0de5 | 3068 | hci_dev_lock(hdev); |
08ba5382 | 3069 | |
4b34ee78 | 3070 | if (!hdev_is_powered(hdev)) { |
feb94d3d JH |
3071 | err = cmd_complete(sk, hdev->id, mgmt_op, |
3072 | MGMT_STATUS_NOT_POWERED, addr, | |
3073 | sizeof(*addr)); | |
0df4c185 | 3074 | goto done; |
a5c29683 JH |
3075 | } |
3076 | ||
1707c60e JH |
3077 | if (addr->type == BDADDR_BREDR) |
3078 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr); | |
272d90df | 3079 | else |
1707c60e | 3080 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr); |
272d90df JH |
3081 | |
3082 | if (!conn) { | |
feb94d3d JH |
3083 | err = cmd_complete(sk, hdev->id, mgmt_op, |
3084 | MGMT_STATUS_NOT_CONNECTED, addr, | |
3085 | sizeof(*addr)); | |
272d90df JH |
3086 | goto done; |
3087 | } | |
47c15e2b | 3088 | |
1707c60e | 3089 | if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) { |
5fe57d9e | 3090 | err = smp_user_confirm_reply(conn, mgmt_op, passkey); |
5fe57d9e | 3091 | if (!err) |
feb94d3d JH |
3092 | err = cmd_complete(sk, hdev->id, mgmt_op, |
3093 | MGMT_STATUS_SUCCESS, addr, | |
3094 | sizeof(*addr)); | |
5fe57d9e | 3095 | else |
feb94d3d JH |
3096 | err = cmd_complete(sk, hdev->id, mgmt_op, |
3097 | MGMT_STATUS_FAILED, addr, | |
3098 | sizeof(*addr)); | |
47c15e2b | 3099 | |
47c15e2b BG |
3100 | goto done; |
3101 | } | |
3102 | ||
1707c60e | 3103 | cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr)); |
a5c29683 JH |
3104 | if (!cmd) { |
3105 | err = -ENOMEM; | |
0df4c185 | 3106 | goto done; |
a5c29683 JH |
3107 | } |
3108 | ||
0df4c185 | 3109 | /* Continue with pairing via HCI */ |
604086b7 BG |
3110 | if (hci_op == HCI_OP_USER_PASSKEY_REPLY) { |
3111 | struct hci_cp_user_passkey_reply cp; | |
3112 | ||
1707c60e | 3113 | bacpy(&cp.bdaddr, &addr->bdaddr); |
604086b7 BG |
3114 | cp.passkey = passkey; |
3115 | err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp); | |
3116 | } else | |
1707c60e JH |
3117 | err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr), |
3118 | &addr->bdaddr); | |
604086b7 | 3119 | |
a664b5bc JH |
3120 | if (err < 0) |
3121 | mgmt_pending_remove(cmd); | |
a5c29683 | 3122 | |
0df4c185 | 3123 | done: |
09fd0de5 | 3124 | hci_dev_unlock(hdev); |
a5c29683 JH |
3125 | return err; |
3126 | } | |
3127 | ||
afeb019d JK |
3128 | static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
3129 | void *data, u16 len) | |
3130 | { | |
3131 | struct mgmt_cp_pin_code_neg_reply *cp = data; | |
3132 | ||
3133 | BT_DBG(""); | |
3134 | ||
1707c60e | 3135 | return user_pairing_resp(sk, hdev, &cp->addr, |
afeb019d JK |
3136 | MGMT_OP_PIN_CODE_NEG_REPLY, |
3137 | HCI_OP_PIN_CODE_NEG_REPLY, 0); | |
3138 | } | |
3139 | ||
04124681 GP |
3140 | static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
3141 | u16 len) | |
0df4c185 | 3142 | { |
650f726d | 3143 | struct mgmt_cp_user_confirm_reply *cp = data; |
0df4c185 BG |
3144 | |
3145 | BT_DBG(""); | |
3146 | ||
3147 | if (len != sizeof(*cp)) | |
bdb6d971 | 3148 | return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY, |
04124681 | 3149 | MGMT_STATUS_INVALID_PARAMS); |
0df4c185 | 3150 | |
1707c60e | 3151 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3152 | MGMT_OP_USER_CONFIRM_REPLY, |
3153 | HCI_OP_USER_CONFIRM_REPLY, 0); | |
0df4c185 BG |
3154 | } |
3155 | ||
bdb6d971 | 3156 | static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3157 | void *data, u16 len) |
0df4c185 | 3158 | { |
c9c2659f | 3159 | struct mgmt_cp_user_confirm_neg_reply *cp = data; |
0df4c185 BG |
3160 | |
3161 | BT_DBG(""); | |
3162 | ||
1707c60e | 3163 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3164 | MGMT_OP_USER_CONFIRM_NEG_REPLY, |
3165 | HCI_OP_USER_CONFIRM_NEG_REPLY, 0); | |
0df4c185 BG |
3166 | } |
3167 | ||
04124681 GP |
3168 | static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
3169 | u16 len) | |
604086b7 | 3170 | { |
650f726d | 3171 | struct mgmt_cp_user_passkey_reply *cp = data; |
604086b7 BG |
3172 | |
3173 | BT_DBG(""); | |
3174 | ||
1707c60e | 3175 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3176 | MGMT_OP_USER_PASSKEY_REPLY, |
3177 | HCI_OP_USER_PASSKEY_REPLY, cp->passkey); | |
604086b7 BG |
3178 | } |
3179 | ||
bdb6d971 | 3180 | static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3181 | void *data, u16 len) |
604086b7 | 3182 | { |
650f726d | 3183 | struct mgmt_cp_user_passkey_neg_reply *cp = data; |
604086b7 BG |
3184 | |
3185 | BT_DBG(""); | |
3186 | ||
1707c60e | 3187 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3188 | MGMT_OP_USER_PASSKEY_NEG_REPLY, |
3189 | HCI_OP_USER_PASSKEY_NEG_REPLY, 0); | |
604086b7 BG |
3190 | } |
3191 | ||
13928971 | 3192 | static void update_name(struct hci_request *req) |
2b4bf397 | 3193 | { |
13928971 | 3194 | struct hci_dev *hdev = req->hdev; |
2b4bf397 JH |
3195 | struct hci_cp_write_local_name cp; |
3196 | ||
13928971 | 3197 | memcpy(cp.name, hdev->dev_name, sizeof(cp.name)); |
2b4bf397 | 3198 | |
890ea898 | 3199 | hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp); |
2b4bf397 JH |
3200 | } |
3201 | ||
13928971 JH |
3202 | static void set_name_complete(struct hci_dev *hdev, u8 status) |
3203 | { | |
3204 | struct mgmt_cp_set_local_name *cp; | |
3205 | struct pending_cmd *cmd; | |
3206 | ||
3207 | BT_DBG("status 0x%02x", status); | |
3208 | ||
3209 | hci_dev_lock(hdev); | |
3210 | ||
3211 | cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); | |
3212 | if (!cmd) | |
3213 | goto unlock; | |
3214 | ||
3215 | cp = cmd->param; | |
3216 | ||
3217 | if (status) | |
3218 | cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, | |
3219 | mgmt_status(status)); | |
3220 | else | |
3221 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, | |
3222 | cp, sizeof(*cp)); | |
3223 | ||
3224 | mgmt_pending_remove(cmd); | |
3225 | ||
3226 | unlock: | |
3227 | hci_dev_unlock(hdev); | |
3228 | } | |
3229 | ||
bdb6d971 | 3230 | static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3231 | u16 len) |
b312b161 | 3232 | { |
2b4bf397 | 3233 | struct mgmt_cp_set_local_name *cp = data; |
b312b161 | 3234 | struct pending_cmd *cmd; |
890ea898 | 3235 | struct hci_request req; |
b312b161 JH |
3236 | int err; |
3237 | ||
3238 | BT_DBG(""); | |
3239 | ||
09fd0de5 | 3240 | hci_dev_lock(hdev); |
b312b161 | 3241 | |
b3f2ca94 JH |
3242 | /* If the old values are the same as the new ones just return a |
3243 | * direct command complete event. | |
3244 | */ | |
3245 | if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) && | |
3246 | !memcmp(hdev->short_name, cp->short_name, | |
3247 | sizeof(hdev->short_name))) { | |
3248 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, | |
3249 | data, len); | |
3250 | goto failed; | |
3251 | } | |
3252 | ||
2b4bf397 | 3253 | memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name)); |
28cc7bde | 3254 | |
b5235a65 | 3255 | if (!hdev_is_powered(hdev)) { |
2b4bf397 | 3256 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); |
28cc7bde JH |
3257 | |
3258 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, | |
04124681 | 3259 | data, len); |
28cc7bde JH |
3260 | if (err < 0) |
3261 | goto failed; | |
3262 | ||
3263 | err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len, | |
04124681 | 3264 | sk); |
28cc7bde | 3265 | |
b5235a65 JH |
3266 | goto failed; |
3267 | } | |
3268 | ||
28cc7bde | 3269 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len); |
b312b161 JH |
3270 | if (!cmd) { |
3271 | err = -ENOMEM; | |
3272 | goto failed; | |
3273 | } | |
3274 | ||
13928971 JH |
3275 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); |
3276 | ||
890ea898 | 3277 | hci_req_init(&req, hdev); |
3f985050 JH |
3278 | |
3279 | if (lmp_bredr_capable(hdev)) { | |
3280 | update_name(&req); | |
3281 | update_eir(&req); | |
3282 | } | |
3283 | ||
7a5f4990 MH |
3284 | /* The name is stored in the scan response data and so |
3285 | * no need to udpate the advertising data here. | |
3286 | */ | |
3f985050 | 3287 | if (lmp_le_capable(hdev)) |
7a5f4990 | 3288 | update_scan_rsp_data(&req); |
3f985050 | 3289 | |
13928971 | 3290 | err = hci_req_run(&req, set_name_complete); |
b312b161 JH |
3291 | if (err < 0) |
3292 | mgmt_pending_remove(cmd); | |
3293 | ||
3294 | failed: | |
09fd0de5 | 3295 | hci_dev_unlock(hdev); |
b312b161 JH |
3296 | return err; |
3297 | } | |
3298 | ||
0f4e68cf | 3299 | static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3300 | void *data, u16 data_len) |
c35938b2 | 3301 | { |
c35938b2 SJ |
3302 | struct pending_cmd *cmd; |
3303 | int err; | |
3304 | ||
bdb6d971 | 3305 | BT_DBG("%s", hdev->name); |
c35938b2 | 3306 | |
09fd0de5 | 3307 | hci_dev_lock(hdev); |
c35938b2 | 3308 | |
4b34ee78 | 3309 | if (!hdev_is_powered(hdev)) { |
bdb6d971 | 3310 | err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
04124681 | 3311 | MGMT_STATUS_NOT_POWERED); |
c35938b2 SJ |
3312 | goto unlock; |
3313 | } | |
3314 | ||
9a1a1996 | 3315 | if (!lmp_ssp_capable(hdev)) { |
bdb6d971 | 3316 | err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
04124681 | 3317 | MGMT_STATUS_NOT_SUPPORTED); |
c35938b2 SJ |
3318 | goto unlock; |
3319 | } | |
3320 | ||
2e58ef3e | 3321 | if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) { |
bdb6d971 | 3322 | err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
04124681 | 3323 | MGMT_STATUS_BUSY); |
c35938b2 SJ |
3324 | goto unlock; |
3325 | } | |
3326 | ||
2e58ef3e | 3327 | cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0); |
c35938b2 SJ |
3328 | if (!cmd) { |
3329 | err = -ENOMEM; | |
3330 | goto unlock; | |
3331 | } | |
3332 | ||
4d2d2796 MH |
3333 | if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) |
3334 | err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA, | |
3335 | 0, NULL); | |
3336 | else | |
3337 | err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); | |
3338 | ||
c35938b2 SJ |
3339 | if (err < 0) |
3340 | mgmt_pending_remove(cmd); | |
3341 | ||
3342 | unlock: | |
09fd0de5 | 3343 | hci_dev_unlock(hdev); |
c35938b2 SJ |
3344 | return err; |
3345 | } | |
3346 | ||
bdb6d971 | 3347 | static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3348 | void *data, u16 len) |
2763eda6 | 3349 | { |
2763eda6 SJ |
3350 | int err; |
3351 | ||
bdb6d971 | 3352 | BT_DBG("%s ", hdev->name); |
2763eda6 | 3353 | |
09fd0de5 | 3354 | hci_dev_lock(hdev); |
2763eda6 | 3355 | |
ec109113 MH |
3356 | if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) { |
3357 | struct mgmt_cp_add_remote_oob_data *cp = data; | |
3358 | u8 status; | |
bf1e3541 | 3359 | |
ec109113 MH |
3360 | err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, |
3361 | cp->hash, cp->randomizer); | |
3362 | if (err < 0) | |
3363 | status = MGMT_STATUS_FAILED; | |
3364 | else | |
3365 | status = MGMT_STATUS_SUCCESS; | |
3366 | ||
3367 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3368 | status, &cp->addr, sizeof(cp->addr)); | |
3369 | } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) { | |
3370 | struct mgmt_cp_add_remote_oob_ext_data *cp = data; | |
3371 | u8 status; | |
3372 | ||
3373 | err = hci_add_remote_oob_ext_data(hdev, &cp->addr.bdaddr, | |
3374 | cp->hash192, | |
3375 | cp->randomizer192, | |
3376 | cp->hash256, | |
3377 | cp->randomizer256); | |
3378 | if (err < 0) | |
3379 | status = MGMT_STATUS_FAILED; | |
3380 | else | |
3381 | status = MGMT_STATUS_SUCCESS; | |
3382 | ||
3383 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3384 | status, &cp->addr, sizeof(cp->addr)); | |
3385 | } else { | |
3386 | BT_ERR("add_remote_oob_data: invalid length of %u bytes", len); | |
3387 | err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3388 | MGMT_STATUS_INVALID_PARAMS); | |
3389 | } | |
2763eda6 | 3390 | |
09fd0de5 | 3391 | hci_dev_unlock(hdev); |
2763eda6 SJ |
3392 | return err; |
3393 | } | |
3394 | ||
bdb6d971 | 3395 | static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
8ce8e2b5 | 3396 | void *data, u16 len) |
2763eda6 | 3397 | { |
650f726d | 3398 | struct mgmt_cp_remove_remote_oob_data *cp = data; |
bf1e3541 | 3399 | u8 status; |
2763eda6 SJ |
3400 | int err; |
3401 | ||
bdb6d971 | 3402 | BT_DBG("%s", hdev->name); |
2763eda6 | 3403 | |
09fd0de5 | 3404 | hci_dev_lock(hdev); |
2763eda6 | 3405 | |
664ce4cc | 3406 | err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr); |
2763eda6 | 3407 | if (err < 0) |
bf1e3541 | 3408 | status = MGMT_STATUS_INVALID_PARAMS; |
2763eda6 | 3409 | else |
a6785be2 | 3410 | status = MGMT_STATUS_SUCCESS; |
bf1e3541 | 3411 | |
bdb6d971 | 3412 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA, |
04124681 | 3413 | status, &cp->addr, sizeof(cp->addr)); |
2763eda6 | 3414 | |
09fd0de5 | 3415 | hci_dev_unlock(hdev); |
2763eda6 SJ |
3416 | return err; |
3417 | } | |
3418 | ||
41dc2bd6 AG |
3419 | static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status) |
3420 | { | |
3421 | struct pending_cmd *cmd; | |
3422 | u8 type; | |
3423 | int err; | |
3424 | ||
3425 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
3426 | ||
3427 | cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); | |
3428 | if (!cmd) | |
3429 | return -ENOENT; | |
3430 | ||
3431 | type = hdev->discovery.type; | |
3432 | ||
3433 | err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status), | |
3434 | &type, sizeof(type)); | |
3435 | mgmt_pending_remove(cmd); | |
3436 | ||
3437 | return err; | |
3438 | } | |
3439 | ||
7c307720 AG |
3440 | static void start_discovery_complete(struct hci_dev *hdev, u8 status) |
3441 | { | |
ae55f598 LR |
3442 | unsigned long timeout = 0; |
3443 | ||
7c307720 AG |
3444 | BT_DBG("status %d", status); |
3445 | ||
3446 | if (status) { | |
3447 | hci_dev_lock(hdev); | |
3448 | mgmt_start_discovery_failed(hdev, status); | |
3449 | hci_dev_unlock(hdev); | |
3450 | return; | |
3451 | } | |
3452 | ||
3453 | hci_dev_lock(hdev); | |
3454 | hci_discovery_set_state(hdev, DISCOVERY_FINDING); | |
3455 | hci_dev_unlock(hdev); | |
3456 | ||
3457 | switch (hdev->discovery.type) { | |
3458 | case DISCOV_TYPE_LE: | |
3d5a76f0 | 3459 | timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT); |
7c307720 AG |
3460 | break; |
3461 | ||
3462 | case DISCOV_TYPE_INTERLEAVED: | |
b9a7a61e | 3463 | timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout); |
7c307720 AG |
3464 | break; |
3465 | ||
3466 | case DISCOV_TYPE_BREDR: | |
3467 | break; | |
3468 | ||
3469 | default: | |
3470 | BT_ERR("Invalid discovery type %d", hdev->discovery.type); | |
3471 | } | |
ae55f598 LR |
3472 | |
3473 | if (!timeout) | |
3474 | return; | |
3475 | ||
3476 | queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout); | |
7c307720 AG |
3477 | } |
3478 | ||
bdb6d971 | 3479 | static int start_discovery(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3480 | void *data, u16 len) |
14a53664 | 3481 | { |
650f726d | 3482 | struct mgmt_cp_start_discovery *cp = data; |
14a53664 | 3483 | struct pending_cmd *cmd; |
7c307720 AG |
3484 | struct hci_cp_le_set_scan_param param_cp; |
3485 | struct hci_cp_le_set_scan_enable enable_cp; | |
3486 | struct hci_cp_inquiry inq_cp; | |
3487 | struct hci_request req; | |
3488 | /* General inquiry access code (GIAC) */ | |
3489 | u8 lap[3] = { 0x33, 0x8b, 0x9e }; | |
d9483943 | 3490 | u8 status, own_addr_type; |
14a53664 JH |
3491 | int err; |
3492 | ||
bdb6d971 | 3493 | BT_DBG("%s", hdev->name); |
14a53664 | 3494 | |
09fd0de5 | 3495 | hci_dev_lock(hdev); |
14a53664 | 3496 | |
4b34ee78 | 3497 | if (!hdev_is_powered(hdev)) { |
bdb6d971 | 3498 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
04124681 | 3499 | MGMT_STATUS_NOT_POWERED); |
bd2d1334 JH |
3500 | goto failed; |
3501 | } | |
3502 | ||
642be6c7 AG |
3503 | if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) { |
3504 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3505 | MGMT_STATUS_BUSY); | |
3506 | goto failed; | |
3507 | } | |
3508 | ||
ff9ef578 | 3509 | if (hdev->discovery.state != DISCOVERY_STOPPED) { |
bdb6d971 | 3510 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
04124681 | 3511 | MGMT_STATUS_BUSY); |
ff9ef578 JH |
3512 | goto failed; |
3513 | } | |
3514 | ||
2e58ef3e | 3515 | cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0); |
14a53664 JH |
3516 | if (!cmd) { |
3517 | err = -ENOMEM; | |
3518 | goto failed; | |
3519 | } | |
3520 | ||
4aab14e5 AG |
3521 | hdev->discovery.type = cp->type; |
3522 | ||
7c307720 AG |
3523 | hci_req_init(&req, hdev); |
3524 | ||
4aab14e5 | 3525 | switch (hdev->discovery.type) { |
f39799f5 | 3526 | case DISCOV_TYPE_BREDR: |
e6fe7986 JH |
3527 | status = mgmt_bredr_support(hdev); |
3528 | if (status) { | |
04106755 | 3529 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
e6fe7986 | 3530 | status); |
04106755 JH |
3531 | mgmt_pending_remove(cmd); |
3532 | goto failed; | |
3533 | } | |
3534 | ||
7c307720 AG |
3535 | if (test_bit(HCI_INQUIRY, &hdev->flags)) { |
3536 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3537 | MGMT_STATUS_BUSY); | |
3538 | mgmt_pending_remove(cmd); | |
3539 | goto failed; | |
3540 | } | |
3541 | ||
3542 | hci_inquiry_cache_flush(hdev); | |
3543 | ||
3544 | memset(&inq_cp, 0, sizeof(inq_cp)); | |
3545 | memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap)); | |
0d8cc935 | 3546 | inq_cp.length = DISCOV_BREDR_INQUIRY_LEN; |
7c307720 | 3547 | hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp); |
f39799f5 AG |
3548 | break; |
3549 | ||
3550 | case DISCOV_TYPE_LE: | |
7c307720 | 3551 | case DISCOV_TYPE_INTERLEAVED: |
e6fe7986 JH |
3552 | status = mgmt_le_support(hdev); |
3553 | if (status) { | |
04106755 | 3554 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
e6fe7986 | 3555 | status); |
04106755 JH |
3556 | mgmt_pending_remove(cmd); |
3557 | goto failed; | |
3558 | } | |
3559 | ||
7c307720 | 3560 | if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED && |
56f87901 | 3561 | !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { |
04106755 JH |
3562 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
3563 | MGMT_STATUS_NOT_SUPPORTED); | |
3564 | mgmt_pending_remove(cmd); | |
3565 | goto failed; | |
3566 | } | |
3567 | ||
f3d3444a | 3568 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { |
7c307720 AG |
3569 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
3570 | MGMT_STATUS_REJECTED); | |
3571 | mgmt_pending_remove(cmd); | |
3572 | goto failed; | |
3573 | } | |
3574 | ||
c54c3860 AG |
3575 | /* If controller is scanning, it means the background scanning |
3576 | * is running. Thus, we should temporarily stop it in order to | |
3577 | * set the discovery scanning parameters. | |
3578 | */ | |
3579 | if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) | |
3580 | hci_req_add_le_scan_disable(&req); | |
7c307720 AG |
3581 | |
3582 | memset(¶m_cp, 0, sizeof(param_cp)); | |
d9483943 | 3583 | |
94b1fc92 MH |
3584 | /* All active scans will be done with either a resolvable |
3585 | * private address (when privacy feature has been enabled) | |
3586 | * or unresolvable private address. | |
3587 | */ | |
3588 | err = hci_update_random_address(&req, true, &own_addr_type); | |
d9483943 JH |
3589 | if (err < 0) { |
3590 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, | |
3591 | MGMT_STATUS_FAILED); | |
3592 | mgmt_pending_remove(cmd); | |
3593 | goto failed; | |
3594 | } | |
3595 | ||
7c307720 | 3596 | param_cp.type = LE_SCAN_ACTIVE; |
0d8cc935 AG |
3597 | param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT); |
3598 | param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN); | |
d9483943 | 3599 | param_cp.own_address_type = own_addr_type; |
7c307720 AG |
3600 | hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp), |
3601 | ¶m_cp); | |
3602 | ||
3603 | memset(&enable_cp, 0, sizeof(enable_cp)); | |
3604 | enable_cp.enable = LE_SCAN_ENABLE; | |
3605 | enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE; | |
3606 | hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp), | |
3607 | &enable_cp); | |
5e0452c0 AG |
3608 | break; |
3609 | ||
f39799f5 | 3610 | default: |
04106755 JH |
3611 | err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
3612 | MGMT_STATUS_INVALID_PARAMS); | |
3613 | mgmt_pending_remove(cmd); | |
3614 | goto failed; | |
f39799f5 | 3615 | } |
3fd24153 | 3616 | |
7c307720 | 3617 | err = hci_req_run(&req, start_discovery_complete); |
14a53664 JH |
3618 | if (err < 0) |
3619 | mgmt_pending_remove(cmd); | |
ff9ef578 JH |
3620 | else |
3621 | hci_discovery_set_state(hdev, DISCOVERY_STARTING); | |
14a53664 JH |
3622 | |
3623 | failed: | |
09fd0de5 | 3624 | hci_dev_unlock(hdev); |
14a53664 JH |
3625 | return err; |
3626 | } | |
3627 | ||
1183fdca AG |
3628 | static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status) |
3629 | { | |
3630 | struct pending_cmd *cmd; | |
3631 | int err; | |
3632 | ||
3633 | cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); | |
3634 | if (!cmd) | |
3635 | return -ENOENT; | |
3636 | ||
3637 | err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status), | |
3638 | &hdev->discovery.type, sizeof(hdev->discovery.type)); | |
3639 | mgmt_pending_remove(cmd); | |
3640 | ||
3641 | return err; | |
3642 | } | |
3643 | ||
0e05bba6 AG |
3644 | static void stop_discovery_complete(struct hci_dev *hdev, u8 status) |
3645 | { | |
3646 | BT_DBG("status %d", status); | |
3647 | ||
3648 | hci_dev_lock(hdev); | |
3649 | ||
3650 | if (status) { | |
3651 | mgmt_stop_discovery_failed(hdev, status); | |
3652 | goto unlock; | |
3653 | } | |
3654 | ||
3655 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
3656 | ||
3657 | unlock: | |
3658 | hci_dev_unlock(hdev); | |
3659 | } | |
3660 | ||
bdb6d971 | 3661 | static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3662 | u16 len) |
14a53664 | 3663 | { |
d930650b | 3664 | struct mgmt_cp_stop_discovery *mgmt_cp = data; |
14a53664 | 3665 | struct pending_cmd *cmd; |
0e05bba6 | 3666 | struct hci_request req; |
14a53664 JH |
3667 | int err; |
3668 | ||
bdb6d971 | 3669 | BT_DBG("%s", hdev->name); |
14a53664 | 3670 | |
09fd0de5 | 3671 | hci_dev_lock(hdev); |
14a53664 | 3672 | |
30dc78e1 | 3673 | if (!hci_discovery_active(hdev)) { |
bdb6d971 | 3674 | err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
04124681 GP |
3675 | MGMT_STATUS_REJECTED, &mgmt_cp->type, |
3676 | sizeof(mgmt_cp->type)); | |
d930650b JH |
3677 | goto unlock; |
3678 | } | |
3679 | ||
3680 | if (hdev->discovery.type != mgmt_cp->type) { | |
bdb6d971 | 3681 | err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
04124681 GP |
3682 | MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type, |
3683 | sizeof(mgmt_cp->type)); | |
30dc78e1 | 3684 | goto unlock; |
ff9ef578 JH |
3685 | } |
3686 | ||
2e58ef3e | 3687 | cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0); |
14a53664 JH |
3688 | if (!cmd) { |
3689 | err = -ENOMEM; | |
30dc78e1 JH |
3690 | goto unlock; |
3691 | } | |
3692 | ||
0e05bba6 AG |
3693 | hci_req_init(&req, hdev); |
3694 | ||
21a60d30 | 3695 | hci_stop_discovery(&req); |
e0d9727e | 3696 | |
21a60d30 JH |
3697 | err = hci_req_run(&req, stop_discovery_complete); |
3698 | if (!err) { | |
3699 | hci_discovery_set_state(hdev, DISCOVERY_STOPPING); | |
0e05bba6 | 3700 | goto unlock; |
14a53664 JH |
3701 | } |
3702 | ||
21a60d30 JH |
3703 | mgmt_pending_remove(cmd); |
3704 | ||
3705 | /* If no HCI commands were sent we're done */ | |
3706 | if (err == -ENODATA) { | |
3707 | err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0, | |
3708 | &mgmt_cp->type, sizeof(mgmt_cp->type)); | |
3709 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
3710 | } | |
14a53664 | 3711 | |
30dc78e1 | 3712 | unlock: |
09fd0de5 | 3713 | hci_dev_unlock(hdev); |
14a53664 JH |
3714 | return err; |
3715 | } | |
3716 | ||
bdb6d971 | 3717 | static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3718 | u16 len) |
561aafbc | 3719 | { |
650f726d | 3720 | struct mgmt_cp_confirm_name *cp = data; |
561aafbc | 3721 | struct inquiry_entry *e; |
561aafbc JH |
3722 | int err; |
3723 | ||
bdb6d971 | 3724 | BT_DBG("%s", hdev->name); |
561aafbc | 3725 | |
561aafbc JH |
3726 | hci_dev_lock(hdev); |
3727 | ||
30dc78e1 | 3728 | if (!hci_discovery_active(hdev)) { |
d3a2541d LR |
3729 | err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
3730 | MGMT_STATUS_FAILED, &cp->addr, | |
3731 | sizeof(cp->addr)); | |
30dc78e1 JH |
3732 | goto failed; |
3733 | } | |
3734 | ||
a198e7b1 | 3735 | e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr); |
561aafbc | 3736 | if (!e) { |
d3a2541d LR |
3737 | err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
3738 | MGMT_STATUS_INVALID_PARAMS, &cp->addr, | |
3739 | sizeof(cp->addr)); | |
561aafbc JH |
3740 | goto failed; |
3741 | } | |
3742 | ||
3743 | if (cp->name_known) { | |
3744 | e->name_state = NAME_KNOWN; | |
3745 | list_del(&e->list); | |
3746 | } else { | |
3747 | e->name_state = NAME_NEEDED; | |
a3d4e20a | 3748 | hci_inquiry_cache_update_resolve(hdev, e); |
561aafbc JH |
3749 | } |
3750 | ||
e384662b JH |
3751 | err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr, |
3752 | sizeof(cp->addr)); | |
561aafbc JH |
3753 | |
3754 | failed: | |
3755 | hci_dev_unlock(hdev); | |
561aafbc JH |
3756 | return err; |
3757 | } | |
3758 | ||
bdb6d971 | 3759 | static int block_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3760 | u16 len) |
7fbec224 | 3761 | { |
650f726d | 3762 | struct mgmt_cp_block_device *cp = data; |
f0eeea8b | 3763 | u8 status; |
7fbec224 AJ |
3764 | int err; |
3765 | ||
bdb6d971 | 3766 | BT_DBG("%s", hdev->name); |
7fbec224 | 3767 | |
4ee71b20 | 3768 | if (!bdaddr_type_is_valid(cp->addr.type)) |
5d0846d4 JH |
3769 | return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, |
3770 | MGMT_STATUS_INVALID_PARAMS, | |
3771 | &cp->addr, sizeof(cp->addr)); | |
4ee71b20 | 3772 | |
09fd0de5 | 3773 | hci_dev_lock(hdev); |
5e762444 | 3774 | |
88c1fe4b | 3775 | err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type); |
7fbec224 | 3776 | if (err < 0) |
f0eeea8b | 3777 | status = MGMT_STATUS_FAILED; |
7fbec224 | 3778 | else |
a6785be2 | 3779 | status = MGMT_STATUS_SUCCESS; |
f0eeea8b | 3780 | |
bdb6d971 | 3781 | err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status, |
04124681 | 3782 | &cp->addr, sizeof(cp->addr)); |
5e762444 | 3783 | |
09fd0de5 | 3784 | hci_dev_unlock(hdev); |
7fbec224 AJ |
3785 | |
3786 | return err; | |
3787 | } | |
3788 | ||
bdb6d971 | 3789 | static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3790 | u16 len) |
7fbec224 | 3791 | { |
650f726d | 3792 | struct mgmt_cp_unblock_device *cp = data; |
f0eeea8b | 3793 | u8 status; |
7fbec224 AJ |
3794 | int err; |
3795 | ||
bdb6d971 | 3796 | BT_DBG("%s", hdev->name); |
7fbec224 | 3797 | |
4ee71b20 | 3798 | if (!bdaddr_type_is_valid(cp->addr.type)) |
5d0846d4 JH |
3799 | return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, |
3800 | MGMT_STATUS_INVALID_PARAMS, | |
3801 | &cp->addr, sizeof(cp->addr)); | |
4ee71b20 | 3802 | |
09fd0de5 | 3803 | hci_dev_lock(hdev); |
5e762444 | 3804 | |
88c1fe4b | 3805 | err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type); |
7fbec224 | 3806 | if (err < 0) |
f0eeea8b | 3807 | status = MGMT_STATUS_INVALID_PARAMS; |
7fbec224 | 3808 | else |
a6785be2 | 3809 | status = MGMT_STATUS_SUCCESS; |
f0eeea8b | 3810 | |
bdb6d971 | 3811 | err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status, |
04124681 | 3812 | &cp->addr, sizeof(cp->addr)); |
5e762444 | 3813 | |
09fd0de5 | 3814 | hci_dev_unlock(hdev); |
7fbec224 AJ |
3815 | |
3816 | return err; | |
3817 | } | |
3818 | ||
cdbaccca MH |
3819 | static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, |
3820 | u16 len) | |
3821 | { | |
3822 | struct mgmt_cp_set_device_id *cp = data; | |
890ea898 | 3823 | struct hci_request req; |
cdbaccca | 3824 | int err; |
c72d4b8a | 3825 | __u16 source; |
cdbaccca MH |
3826 | |
3827 | BT_DBG("%s", hdev->name); | |
3828 | ||
c72d4b8a SJ |
3829 | source = __le16_to_cpu(cp->source); |
3830 | ||
3831 | if (source > 0x0002) | |
3832 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, | |
3833 | MGMT_STATUS_INVALID_PARAMS); | |
3834 | ||
cdbaccca MH |
3835 | hci_dev_lock(hdev); |
3836 | ||
c72d4b8a | 3837 | hdev->devid_source = source; |
cdbaccca MH |
3838 | hdev->devid_vendor = __le16_to_cpu(cp->vendor); |
3839 | hdev->devid_product = __le16_to_cpu(cp->product); | |
3840 | hdev->devid_version = __le16_to_cpu(cp->version); | |
3841 | ||
3842 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0); | |
3843 | ||
890ea898 JH |
3844 | hci_req_init(&req, hdev); |
3845 | update_eir(&req); | |
3846 | hci_req_run(&req, NULL); | |
cdbaccca MH |
3847 | |
3848 | hci_dev_unlock(hdev); | |
3849 | ||
3850 | return err; | |
3851 | } | |
3852 | ||
4375f103 JH |
3853 | static void set_advertising_complete(struct hci_dev *hdev, u8 status) |
3854 | { | |
3855 | struct cmd_lookup match = { NULL, hdev }; | |
3856 | ||
3857 | if (status) { | |
3858 | u8 mgmt_err = mgmt_status(status); | |
3859 | ||
3860 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, | |
3861 | cmd_status_rsp, &mgmt_err); | |
3862 | return; | |
3863 | } | |
3864 | ||
3865 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp, | |
3866 | &match); | |
3867 | ||
3868 | new_settings(hdev, match.sk); | |
3869 | ||
3870 | if (match.sk) | |
3871 | sock_put(match.sk); | |
3872 | } | |
3873 | ||
21b5187f MH |
3874 | static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data, |
3875 | u16 len) | |
4375f103 JH |
3876 | { |
3877 | struct mgmt_mode *cp = data; | |
3878 | struct pending_cmd *cmd; | |
3879 | struct hci_request req; | |
e6fe7986 | 3880 | u8 val, enabled, status; |
4375f103 JH |
3881 | int err; |
3882 | ||
3883 | BT_DBG("request for %s", hdev->name); | |
3884 | ||
e6fe7986 JH |
3885 | status = mgmt_le_support(hdev); |
3886 | if (status) | |
4375f103 | 3887 | return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
e6fe7986 | 3888 | status); |
4375f103 JH |
3889 | |
3890 | if (cp->val != 0x00 && cp->val != 0x01) | |
3891 | return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, | |
3892 | MGMT_STATUS_INVALID_PARAMS); | |
3893 | ||
3894 | hci_dev_lock(hdev); | |
3895 | ||
3896 | val = !!cp->val; | |
f3d3444a | 3897 | enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags); |
4375f103 | 3898 | |
f74ca9b8 JH |
3899 | /* The following conditions are ones which mean that we should |
3900 | * not do any HCI communication but directly send a mgmt | |
3901 | * response to user space (after toggling the flag if | |
3902 | * necessary). | |
3903 | */ | |
3904 | if (!hdev_is_powered(hdev) || val == enabled || | |
b145edcd | 3905 | hci_conn_num(hdev, LE_LINK) > 0) { |
4375f103 JH |
3906 | bool changed = false; |
3907 | ||
f3d3444a JH |
3908 | if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { |
3909 | change_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
4375f103 JH |
3910 | changed = true; |
3911 | } | |
3912 | ||
3913 | err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev); | |
3914 | if (err < 0) | |
3915 | goto unlock; | |
3916 | ||
3917 | if (changed) | |
3918 | err = new_settings(hdev, sk); | |
3919 | ||
3920 | goto unlock; | |
3921 | } | |
3922 | ||
3923 | if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) || | |
3924 | mgmt_pending_find(MGMT_OP_SET_LE, hdev)) { | |
3925 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, | |
3926 | MGMT_STATUS_BUSY); | |
3927 | goto unlock; | |
3928 | } | |
3929 | ||
3930 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len); | |
3931 | if (!cmd) { | |
3932 | err = -ENOMEM; | |
3933 | goto unlock; | |
3934 | } | |
3935 | ||
3936 | hci_req_init(&req, hdev); | |
3937 | ||
bba3aa55 MH |
3938 | if (val) |
3939 | enable_advertising(&req); | |
3940 | else | |
3941 | disable_advertising(&req); | |
4375f103 JH |
3942 | |
3943 | err = hci_req_run(&req, set_advertising_complete); | |
3944 | if (err < 0) | |
3945 | mgmt_pending_remove(cmd); | |
3946 | ||
3947 | unlock: | |
3948 | hci_dev_unlock(hdev); | |
3949 | return err; | |
3950 | } | |
3951 | ||
d13eafce MH |
3952 | static int set_static_address(struct sock *sk, struct hci_dev *hdev, |
3953 | void *data, u16 len) | |
3954 | { | |
3955 | struct mgmt_cp_set_static_address *cp = data; | |
3956 | int err; | |
3957 | ||
3958 | BT_DBG("%s", hdev->name); | |
3959 | ||
62af4443 | 3960 | if (!lmp_le_capable(hdev)) |
d13eafce | 3961 | return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, |
62af4443 | 3962 | MGMT_STATUS_NOT_SUPPORTED); |
d13eafce MH |
3963 | |
3964 | if (hdev_is_powered(hdev)) | |
3965 | return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, | |
3966 | MGMT_STATUS_REJECTED); | |
3967 | ||
3968 | if (bacmp(&cp->bdaddr, BDADDR_ANY)) { | |
3969 | if (!bacmp(&cp->bdaddr, BDADDR_NONE)) | |
3970 | return cmd_status(sk, hdev->id, | |
3971 | MGMT_OP_SET_STATIC_ADDRESS, | |
3972 | MGMT_STATUS_INVALID_PARAMS); | |
3973 | ||
3974 | /* Two most significant bits shall be set */ | |
3975 | if ((cp->bdaddr.b[5] & 0xc0) != 0xc0) | |
3976 | return cmd_status(sk, hdev->id, | |
3977 | MGMT_OP_SET_STATIC_ADDRESS, | |
3978 | MGMT_STATUS_INVALID_PARAMS); | |
3979 | } | |
3980 | ||
3981 | hci_dev_lock(hdev); | |
3982 | ||
3983 | bacpy(&hdev->static_addr, &cp->bdaddr); | |
3984 | ||
3985 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0); | |
3986 | ||
3987 | hci_dev_unlock(hdev); | |
3988 | ||
3989 | return err; | |
3990 | } | |
3991 | ||
14b49b9a MH |
3992 | static int set_scan_params(struct sock *sk, struct hci_dev *hdev, |
3993 | void *data, u16 len) | |
3994 | { | |
3995 | struct mgmt_cp_set_scan_params *cp = data; | |
3996 | __u16 interval, window; | |
3997 | int err; | |
3998 | ||
3999 | BT_DBG("%s", hdev->name); | |
4000 | ||
4001 | if (!lmp_le_capable(hdev)) | |
4002 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
4003 | MGMT_STATUS_NOT_SUPPORTED); | |
4004 | ||
4005 | interval = __le16_to_cpu(cp->interval); | |
4006 | ||
4007 | if (interval < 0x0004 || interval > 0x4000) | |
4008 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
4009 | MGMT_STATUS_INVALID_PARAMS); | |
4010 | ||
4011 | window = __le16_to_cpu(cp->window); | |
4012 | ||
4013 | if (window < 0x0004 || window > 0x4000) | |
4014 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
4015 | MGMT_STATUS_INVALID_PARAMS); | |
4016 | ||
899e1075 MH |
4017 | if (window > interval) |
4018 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, | |
4019 | MGMT_STATUS_INVALID_PARAMS); | |
4020 | ||
14b49b9a MH |
4021 | hci_dev_lock(hdev); |
4022 | ||
4023 | hdev->le_scan_interval = interval; | |
4024 | hdev->le_scan_window = window; | |
4025 | ||
4026 | err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0); | |
4027 | ||
dd2ef8e2 AG |
4028 | /* If background scan is running, restart it so new parameters are |
4029 | * loaded. | |
4030 | */ | |
4031 | if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) && | |
4032 | hdev->discovery.state == DISCOVERY_STOPPED) { | |
4033 | struct hci_request req; | |
4034 | ||
4035 | hci_req_init(&req, hdev); | |
4036 | ||
4037 | hci_req_add_le_scan_disable(&req); | |
4038 | hci_req_add_le_passive_scan(&req); | |
4039 | ||
4040 | hci_req_run(&req, NULL); | |
4041 | } | |
4042 | ||
14b49b9a MH |
4043 | hci_dev_unlock(hdev); |
4044 | ||
4045 | return err; | |
4046 | } | |
4047 | ||
33e38b3e JH |
4048 | static void fast_connectable_complete(struct hci_dev *hdev, u8 status) |
4049 | { | |
4050 | struct pending_cmd *cmd; | |
4051 | ||
4052 | BT_DBG("status 0x%02x", status); | |
4053 | ||
4054 | hci_dev_lock(hdev); | |
4055 | ||
4056 | cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev); | |
4057 | if (!cmd) | |
4058 | goto unlock; | |
4059 | ||
4060 | if (status) { | |
4061 | cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4062 | mgmt_status(status)); | |
4063 | } else { | |
1a4d3c4b JH |
4064 | struct mgmt_mode *cp = cmd->param; |
4065 | ||
4066 | if (cp->val) | |
4067 | set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); | |
4068 | else | |
4069 | clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); | |
4070 | ||
33e38b3e JH |
4071 | send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev); |
4072 | new_settings(hdev, cmd->sk); | |
4073 | } | |
4074 | ||
4075 | mgmt_pending_remove(cmd); | |
4076 | ||
4077 | unlock: | |
4078 | hci_dev_unlock(hdev); | |
4079 | } | |
4080 | ||
bdb6d971 | 4081 | static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, |
04124681 | 4082 | void *data, u16 len) |
f6422ec6 | 4083 | { |
650f726d | 4084 | struct mgmt_mode *cp = data; |
33e38b3e JH |
4085 | struct pending_cmd *cmd; |
4086 | struct hci_request req; | |
f6422ec6 AJ |
4087 | int err; |
4088 | ||
bdb6d971 | 4089 | BT_DBG("%s", hdev->name); |
f6422ec6 | 4090 | |
56f87901 JH |
4091 | if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) || |
4092 | hdev->hci_ver < BLUETOOTH_VER_1_2) | |
33c525c0 JH |
4093 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
4094 | MGMT_STATUS_NOT_SUPPORTED); | |
4095 | ||
a7e80f25 JH |
4096 | if (cp->val != 0x00 && cp->val != 0x01) |
4097 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4098 | MGMT_STATUS_INVALID_PARAMS); | |
4099 | ||
5400c044 | 4100 | if (!hdev_is_powered(hdev)) |
bdb6d971 | 4101 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
04124681 | 4102 | MGMT_STATUS_NOT_POWERED); |
5400c044 JH |
4103 | |
4104 | if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
bdb6d971 | 4105 | return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
04124681 | 4106 | MGMT_STATUS_REJECTED); |
f6422ec6 AJ |
4107 | |
4108 | hci_dev_lock(hdev); | |
4109 | ||
05cbf29f JH |
4110 | if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) { |
4111 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, | |
4112 | MGMT_STATUS_BUSY); | |
4113 | goto unlock; | |
4114 | } | |
4115 | ||
1a4d3c4b JH |
4116 | if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) { |
4117 | err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, | |
4118 | hdev); | |
4119 | goto unlock; | |
4120 | } | |
4121 | ||
33e38b3e JH |
4122 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev, |
4123 | data, len); | |
4124 | if (!cmd) { | |
4125 | err = -ENOMEM; | |
4126 | goto unlock; | |
f6422ec6 AJ |
4127 | } |
4128 | ||
33e38b3e JH |
4129 | hci_req_init(&req, hdev); |
4130 | ||
406d7804 | 4131 | write_fast_connectable(&req, cp->val); |
33e38b3e JH |
4132 | |
4133 | err = hci_req_run(&req, fast_connectable_complete); | |
f6422ec6 | 4134 | if (err < 0) { |
bdb6d971 | 4135 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
04124681 | 4136 | MGMT_STATUS_FAILED); |
33e38b3e | 4137 | mgmt_pending_remove(cmd); |
f6422ec6 AJ |
4138 | } |
4139 | ||
33e38b3e | 4140 | unlock: |
f6422ec6 | 4141 | hci_dev_unlock(hdev); |
33e38b3e | 4142 | |
f6422ec6 AJ |
4143 | return err; |
4144 | } | |
4145 | ||
67e5a7a3 JH |
4146 | static void set_bredr_scan(struct hci_request *req) |
4147 | { | |
4148 | struct hci_dev *hdev = req->hdev; | |
4149 | u8 scan = 0; | |
4150 | ||
4151 | /* Ensure that fast connectable is disabled. This function will | |
4152 | * not do anything if the page scan parameters are already what | |
4153 | * they should be. | |
4154 | */ | |
4155 | write_fast_connectable(req, false); | |
4156 | ||
4157 | if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
4158 | scan |= SCAN_PAGE; | |
4159 | if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) | |
4160 | scan |= SCAN_INQUIRY; | |
4161 | ||
4162 | if (scan) | |
4163 | hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
4164 | } | |
4165 | ||
0663ca2a JH |
4166 | static void set_bredr_complete(struct hci_dev *hdev, u8 status) |
4167 | { | |
4168 | struct pending_cmd *cmd; | |
4169 | ||
4170 | BT_DBG("status 0x%02x", status); | |
4171 | ||
4172 | hci_dev_lock(hdev); | |
4173 | ||
4174 | cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev); | |
4175 | if (!cmd) | |
4176 | goto unlock; | |
4177 | ||
4178 | if (status) { | |
4179 | u8 mgmt_err = mgmt_status(status); | |
4180 | ||
4181 | /* We need to restore the flag if related HCI commands | |
4182 | * failed. | |
4183 | */ | |
4184 | clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
4185 | ||
4186 | cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); | |
4187 | } else { | |
4188 | send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev); | |
4189 | new_settings(hdev, cmd->sk); | |
4190 | } | |
4191 | ||
4192 | mgmt_pending_remove(cmd); | |
4193 | ||
4194 | unlock: | |
4195 | hci_dev_unlock(hdev); | |
4196 | } | |
4197 | ||
4198 | static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
4199 | { | |
4200 | struct mgmt_mode *cp = data; | |
4201 | struct pending_cmd *cmd; | |
4202 | struct hci_request req; | |
4203 | int err; | |
4204 | ||
4205 | BT_DBG("request for %s", hdev->name); | |
4206 | ||
4207 | if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev)) | |
4208 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4209 | MGMT_STATUS_NOT_SUPPORTED); | |
4210 | ||
4211 | if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) | |
4212 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4213 | MGMT_STATUS_REJECTED); | |
4214 | ||
4215 | if (cp->val != 0x00 && cp->val != 0x01) | |
4216 | return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4217 | MGMT_STATUS_INVALID_PARAMS); | |
4218 | ||
4219 | hci_dev_lock(hdev); | |
4220 | ||
4221 | if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { | |
4222 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); | |
4223 | goto unlock; | |
4224 | } | |
4225 | ||
4226 | if (!hdev_is_powered(hdev)) { | |
4227 | if (!cp->val) { | |
0663ca2a JH |
4228 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); |
4229 | clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); | |
4230 | clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags); | |
4231 | clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); | |
4232 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
4233 | } | |
4234 | ||
4235 | change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
4236 | ||
4237 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); | |
4238 | if (err < 0) | |
4239 | goto unlock; | |
4240 | ||
4241 | err = new_settings(hdev, sk); | |
4242 | goto unlock; | |
4243 | } | |
4244 | ||
4245 | /* Reject disabling when powered on */ | |
4246 | if (!cp->val) { | |
4247 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4248 | MGMT_STATUS_REJECTED); | |
4249 | goto unlock; | |
4250 | } | |
4251 | ||
4252 | if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) { | |
4253 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, | |
4254 | MGMT_STATUS_BUSY); | |
4255 | goto unlock; | |
4256 | } | |
4257 | ||
4258 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len); | |
4259 | if (!cmd) { | |
4260 | err = -ENOMEM; | |
4261 | goto unlock; | |
4262 | } | |
4263 | ||
5947f4bc | 4264 | /* We need to flip the bit already here so that update_adv_data |
0663ca2a JH |
4265 | * generates the correct flags. |
4266 | */ | |
4267 | set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); | |
4268 | ||
4269 | hci_req_init(&req, hdev); | |
aa8af46e JH |
4270 | |
4271 | if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) | |
4272 | set_bredr_scan(&req); | |
4273 | ||
f14d8f64 MH |
4274 | /* Since only the advertising data flags will change, there |
4275 | * is no need to update the scan response data. | |
4276 | */ | |
5947f4bc | 4277 | update_adv_data(&req); |
aa8af46e | 4278 | |
0663ca2a JH |
4279 | err = hci_req_run(&req, set_bredr_complete); |
4280 | if (err < 0) | |
4281 | mgmt_pending_remove(cmd); | |
4282 | ||
4283 | unlock: | |
4284 | hci_dev_unlock(hdev); | |
4285 | return err; | |
4286 | } | |
4287 | ||
eac83dc6 MH |
4288 | static int set_secure_conn(struct sock *sk, struct hci_dev *hdev, |
4289 | void *data, u16 len) | |
4290 | { | |
4291 | struct mgmt_mode *cp = data; | |
4292 | struct pending_cmd *cmd; | |
0ab04a9c | 4293 | u8 val, status; |
eac83dc6 MH |
4294 | int err; |
4295 | ||
4296 | BT_DBG("request for %s", hdev->name); | |
4297 | ||
4298 | status = mgmt_bredr_support(hdev); | |
4299 | if (status) | |
4300 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, | |
4301 | status); | |
4302 | ||
5afeac14 | 4303 | if (!lmp_sc_capable(hdev) && |
111902f7 | 4304 | !test_bit(HCI_FORCE_SC, &hdev->dbg_flags)) |
eac83dc6 MH |
4305 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
4306 | MGMT_STATUS_NOT_SUPPORTED); | |
4307 | ||
0ab04a9c | 4308 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
eac83dc6 MH |
4309 | return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
4310 | MGMT_STATUS_INVALID_PARAMS); | |
4311 | ||
4312 | hci_dev_lock(hdev); | |
4313 | ||
4314 | if (!hdev_is_powered(hdev)) { | |
4315 | bool changed; | |
4316 | ||
0ab04a9c | 4317 | if (cp->val) { |
eac83dc6 MH |
4318 | changed = !test_and_set_bit(HCI_SC_ENABLED, |
4319 | &hdev->dev_flags); | |
0ab04a9c MH |
4320 | if (cp->val == 0x02) |
4321 | set_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
4322 | else | |
4323 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
4324 | } else { | |
eac83dc6 MH |
4325 | changed = test_and_clear_bit(HCI_SC_ENABLED, |
4326 | &hdev->dev_flags); | |
0ab04a9c MH |
4327 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); |
4328 | } | |
eac83dc6 MH |
4329 | |
4330 | err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); | |
4331 | if (err < 0) | |
4332 | goto failed; | |
4333 | ||
4334 | if (changed) | |
4335 | err = new_settings(hdev, sk); | |
4336 | ||
4337 | goto failed; | |
4338 | } | |
4339 | ||
4340 | if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) { | |
4341 | err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, | |
4342 | MGMT_STATUS_BUSY); | |
4343 | goto failed; | |
4344 | } | |
4345 | ||
0ab04a9c MH |
4346 | val = !!cp->val; |
4347 | ||
4348 | if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && | |
4349 | (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) { | |
eac83dc6 MH |
4350 | err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); |
4351 | goto failed; | |
4352 | } | |
4353 | ||
4354 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len); | |
4355 | if (!cmd) { | |
4356 | err = -ENOMEM; | |
4357 | goto failed; | |
4358 | } | |
4359 | ||
0ab04a9c | 4360 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val); |
eac83dc6 MH |
4361 | if (err < 0) { |
4362 | mgmt_pending_remove(cmd); | |
4363 | goto failed; | |
4364 | } | |
4365 | ||
0ab04a9c MH |
4366 | if (cp->val == 0x02) |
4367 | set_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
4368 | else | |
4369 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
4370 | ||
eac83dc6 MH |
4371 | failed: |
4372 | hci_dev_unlock(hdev); | |
4373 | return err; | |
4374 | } | |
4375 | ||
4e39ac81 MH |
4376 | static int set_debug_keys(struct sock *sk, struct hci_dev *hdev, |
4377 | void *data, u16 len) | |
4378 | { | |
4379 | struct mgmt_mode *cp = data; | |
b9710979 | 4380 | bool changed, use_changed; |
4e39ac81 MH |
4381 | int err; |
4382 | ||
4383 | BT_DBG("request for %s", hdev->name); | |
4384 | ||
b9710979 | 4385 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
4e39ac81 MH |
4386 | return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS, |
4387 | MGMT_STATUS_INVALID_PARAMS); | |
4388 | ||
4389 | hci_dev_lock(hdev); | |
4390 | ||
4391 | if (cp->val) | |
0663b297 JH |
4392 | changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS, |
4393 | &hdev->dev_flags); | |
4e39ac81 | 4394 | else |
0663b297 JH |
4395 | changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS, |
4396 | &hdev->dev_flags); | |
4e39ac81 | 4397 | |
b9710979 JH |
4398 | if (cp->val == 0x02) |
4399 | use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS, | |
4400 | &hdev->dev_flags); | |
4401 | else | |
4402 | use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS, | |
4403 | &hdev->dev_flags); | |
4404 | ||
4405 | if (hdev_is_powered(hdev) && use_changed && | |
4406 | test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { | |
4407 | u8 mode = (cp->val == 0x02) ? 0x01 : 0x00; | |
4408 | hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, | |
4409 | sizeof(mode), &mode); | |
4410 | } | |
4411 | ||
4e39ac81 MH |
4412 | err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev); |
4413 | if (err < 0) | |
4414 | goto unlock; | |
4415 | ||
4416 | if (changed) | |
4417 | err = new_settings(hdev, sk); | |
4418 | ||
4419 | unlock: | |
4420 | hci_dev_unlock(hdev); | |
4421 | return err; | |
4422 | } | |
4423 | ||
62b04cd1 JH |
4424 | static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data, |
4425 | u16 len) | |
4426 | { | |
4427 | struct mgmt_cp_set_privacy *cp = cp_data; | |
4428 | bool changed; | |
4429 | int err; | |
4430 | ||
4431 | BT_DBG("request for %s", hdev->name); | |
4432 | ||
4433 | if (!lmp_le_capable(hdev)) | |
4434 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, | |
4435 | MGMT_STATUS_NOT_SUPPORTED); | |
4436 | ||
4437 | if (cp->privacy != 0x00 && cp->privacy != 0x01) | |
4438 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, | |
4439 | MGMT_STATUS_INVALID_PARAMS); | |
4440 | ||
4441 | if (hdev_is_powered(hdev)) | |
4442 | return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, | |
4443 | MGMT_STATUS_REJECTED); | |
4444 | ||
4445 | hci_dev_lock(hdev); | |
4446 | ||
c21c0ea0 JH |
4447 | /* If user space supports this command it is also expected to |
4448 | * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag. | |
4449 | */ | |
4450 | set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags); | |
4451 | ||
62b04cd1 JH |
4452 | if (cp->privacy) { |
4453 | changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags); | |
4454 | memcpy(hdev->irk, cp->irk, sizeof(hdev->irk)); | |
4455 | set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags); | |
4456 | } else { | |
4457 | changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags); | |
4458 | memset(hdev->irk, 0, sizeof(hdev->irk)); | |
4459 | clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags); | |
4460 | } | |
4461 | ||
4462 | err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev); | |
4463 | if (err < 0) | |
4464 | goto unlock; | |
4465 | ||
4466 | if (changed) | |
4467 | err = new_settings(hdev, sk); | |
4468 | ||
4469 | unlock: | |
4470 | hci_dev_unlock(hdev); | |
4471 | return err; | |
4472 | } | |
4473 | ||
41edf160 JH |
4474 | static bool irk_is_valid(struct mgmt_irk_info *irk) |
4475 | { | |
4476 | switch (irk->addr.type) { | |
4477 | case BDADDR_LE_PUBLIC: | |
4478 | return true; | |
4479 | ||
4480 | case BDADDR_LE_RANDOM: | |
4481 | /* Two most significant bits shall be set */ | |
4482 | if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0) | |
4483 | return false; | |
4484 | return true; | |
4485 | } | |
4486 | ||
4487 | return false; | |
4488 | } | |
4489 | ||
4490 | static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data, | |
4491 | u16 len) | |
4492 | { | |
4493 | struct mgmt_cp_load_irks *cp = cp_data; | |
4494 | u16 irk_count, expected_len; | |
4495 | int i, err; | |
4496 | ||
4497 | BT_DBG("request for %s", hdev->name); | |
4498 | ||
4499 | if (!lmp_le_capable(hdev)) | |
4500 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, | |
4501 | MGMT_STATUS_NOT_SUPPORTED); | |
4502 | ||
4503 | irk_count = __le16_to_cpu(cp->irk_count); | |
4504 | ||
4505 | expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info); | |
4506 | if (expected_len != len) { | |
4507 | BT_ERR("load_irks: expected %u bytes, got %u bytes", | |
2606ecbc | 4508 | expected_len, len); |
41edf160 JH |
4509 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
4510 | MGMT_STATUS_INVALID_PARAMS); | |
4511 | } | |
4512 | ||
4513 | BT_DBG("%s irk_count %u", hdev->name, irk_count); | |
4514 | ||
4515 | for (i = 0; i < irk_count; i++) { | |
4516 | struct mgmt_irk_info *key = &cp->irks[i]; | |
4517 | ||
4518 | if (!irk_is_valid(key)) | |
4519 | return cmd_status(sk, hdev->id, | |
4520 | MGMT_OP_LOAD_IRKS, | |
4521 | MGMT_STATUS_INVALID_PARAMS); | |
4522 | } | |
4523 | ||
4524 | hci_dev_lock(hdev); | |
4525 | ||
4526 | hci_smp_irks_clear(hdev); | |
4527 | ||
4528 | for (i = 0; i < irk_count; i++) { | |
4529 | struct mgmt_irk_info *irk = &cp->irks[i]; | |
4530 | u8 addr_type; | |
4531 | ||
4532 | if (irk->addr.type == BDADDR_LE_PUBLIC) | |
4533 | addr_type = ADDR_LE_DEV_PUBLIC; | |
4534 | else | |
4535 | addr_type = ADDR_LE_DEV_RANDOM; | |
4536 | ||
4537 | hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val, | |
4538 | BDADDR_ANY); | |
4539 | } | |
4540 | ||
4541 | set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags); | |
4542 | ||
4543 | err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0); | |
4544 | ||
4545 | hci_dev_unlock(hdev); | |
4546 | ||
4547 | return err; | |
4548 | } | |
4549 | ||
3f706b72 JH |
4550 | static bool ltk_is_valid(struct mgmt_ltk_info *key) |
4551 | { | |
4552 | if (key->master != 0x00 && key->master != 0x01) | |
4553 | return false; | |
490cb0b3 MH |
4554 | |
4555 | switch (key->addr.type) { | |
4556 | case BDADDR_LE_PUBLIC: | |
4557 | return true; | |
4558 | ||
4559 | case BDADDR_LE_RANDOM: | |
4560 | /* Two most significant bits shall be set */ | |
4561 | if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0) | |
4562 | return false; | |
4563 | return true; | |
4564 | } | |
4565 | ||
4566 | return false; | |
3f706b72 JH |
4567 | } |
4568 | ||
bdb6d971 | 4569 | static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, |
04124681 | 4570 | void *cp_data, u16 len) |
346af67b | 4571 | { |
346af67b VCG |
4572 | struct mgmt_cp_load_long_term_keys *cp = cp_data; |
4573 | u16 key_count, expected_len; | |
715a5bf2 | 4574 | int i, err; |
346af67b | 4575 | |
cf99ba13 MH |
4576 | BT_DBG("request for %s", hdev->name); |
4577 | ||
4578 | if (!lmp_le_capable(hdev)) | |
4579 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, | |
4580 | MGMT_STATUS_NOT_SUPPORTED); | |
4581 | ||
1f350c87 | 4582 | key_count = __le16_to_cpu(cp->key_count); |
346af67b VCG |
4583 | |
4584 | expected_len = sizeof(*cp) + key_count * | |
4585 | sizeof(struct mgmt_ltk_info); | |
4586 | if (expected_len != len) { | |
4587 | BT_ERR("load_keys: expected %u bytes, got %u bytes", | |
2606ecbc | 4588 | expected_len, len); |
bdb6d971 | 4589 | return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
e57e619f | 4590 | MGMT_STATUS_INVALID_PARAMS); |
346af67b VCG |
4591 | } |
4592 | ||
bdb6d971 | 4593 | BT_DBG("%s key_count %u", hdev->name, key_count); |
346af67b | 4594 | |
54ad6d8a JH |
4595 | for (i = 0; i < key_count; i++) { |
4596 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
4597 | ||
3f706b72 | 4598 | if (!ltk_is_valid(key)) |
54ad6d8a JH |
4599 | return cmd_status(sk, hdev->id, |
4600 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
4601 | MGMT_STATUS_INVALID_PARAMS); | |
4602 | } | |
4603 | ||
346af67b VCG |
4604 | hci_dev_lock(hdev); |
4605 | ||
4606 | hci_smp_ltks_clear(hdev); | |
4607 | ||
4608 | for (i = 0; i < key_count; i++) { | |
4609 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
d7b25450 | 4610 | u8 type, addr_type, authenticated; |
79d95a19 MH |
4611 | |
4612 | if (key->addr.type == BDADDR_LE_PUBLIC) | |
4613 | addr_type = ADDR_LE_DEV_PUBLIC; | |
4614 | else | |
4615 | addr_type = ADDR_LE_DEV_RANDOM; | |
346af67b VCG |
4616 | |
4617 | if (key->master) | |
2ceba539 | 4618 | type = SMP_LTK; |
346af67b | 4619 | else |
2ceba539 | 4620 | type = SMP_LTK_SLAVE; |
346af67b | 4621 | |
61b43357 JH |
4622 | switch (key->type) { |
4623 | case MGMT_LTK_UNAUTHENTICATED: | |
d7b25450 | 4624 | authenticated = 0x00; |
61b43357 JH |
4625 | break; |
4626 | case MGMT_LTK_AUTHENTICATED: | |
d7b25450 | 4627 | authenticated = 0x01; |
61b43357 JH |
4628 | break; |
4629 | default: | |
4630 | continue; | |
4631 | } | |
d7b25450 | 4632 | |
35d70271 | 4633 | hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type, |
d7b25450 | 4634 | authenticated, key->val, key->enc_size, key->ediv, |
35d70271 | 4635 | key->rand); |
346af67b VCG |
4636 | } |
4637 | ||
715a5bf2 JH |
4638 | err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0, |
4639 | NULL, 0); | |
4640 | ||
346af67b | 4641 | hci_dev_unlock(hdev); |
346af67b | 4642 | |
715a5bf2 | 4643 | return err; |
346af67b VCG |
4644 | } |
4645 | ||
dd983808 AK |
4646 | struct cmd_conn_lookup { |
4647 | struct hci_conn *conn; | |
4648 | bool valid_tx_power; | |
4649 | u8 mgmt_status; | |
4650 | }; | |
4651 | ||
4652 | static void get_conn_info_complete(struct pending_cmd *cmd, void *data) | |
4653 | { | |
4654 | struct cmd_conn_lookup *match = data; | |
4655 | struct mgmt_cp_get_conn_info *cp; | |
4656 | struct mgmt_rp_get_conn_info rp; | |
4657 | struct hci_conn *conn = cmd->user_data; | |
4658 | ||
4659 | if (conn != match->conn) | |
4660 | return; | |
4661 | ||
4662 | cp = (struct mgmt_cp_get_conn_info *) cmd->param; | |
4663 | ||
4664 | memset(&rp, 0, sizeof(rp)); | |
4665 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
4666 | rp.addr.type = cp->addr.type; | |
4667 | ||
4668 | if (!match->mgmt_status) { | |
4669 | rp.rssi = conn->rssi; | |
4670 | ||
eed5daf3 | 4671 | if (match->valid_tx_power) { |
dd983808 | 4672 | rp.tx_power = conn->tx_power; |
eed5daf3 AK |
4673 | rp.max_tx_power = conn->max_tx_power; |
4674 | } else { | |
dd983808 | 4675 | rp.tx_power = HCI_TX_POWER_INVALID; |
eed5daf3 AK |
4676 | rp.max_tx_power = HCI_TX_POWER_INVALID; |
4677 | } | |
dd983808 AK |
4678 | } |
4679 | ||
4680 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO, | |
4681 | match->mgmt_status, &rp, sizeof(rp)); | |
4682 | ||
4683 | hci_conn_drop(conn); | |
4684 | ||
4685 | mgmt_pending_remove(cmd); | |
4686 | } | |
4687 | ||
4688 | static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status) | |
4689 | { | |
4690 | struct hci_cp_read_rssi *cp; | |
4691 | struct hci_conn *conn; | |
4692 | struct cmd_conn_lookup match; | |
4693 | u16 handle; | |
4694 | ||
4695 | BT_DBG("status 0x%02x", status); | |
4696 | ||
4697 | hci_dev_lock(hdev); | |
4698 | ||
4699 | /* TX power data is valid in case request completed successfully, | |
eed5daf3 AK |
4700 | * otherwise we assume it's not valid. At the moment we assume that |
4701 | * either both or none of current and max values are valid to keep code | |
4702 | * simple. | |
dd983808 AK |
4703 | */ |
4704 | match.valid_tx_power = !status; | |
4705 | ||
4706 | /* Commands sent in request are either Read RSSI or Read Transmit Power | |
4707 | * Level so we check which one was last sent to retrieve connection | |
4708 | * handle. Both commands have handle as first parameter so it's safe to | |
4709 | * cast data on the same command struct. | |
4710 | * | |
4711 | * First command sent is always Read RSSI and we fail only if it fails. | |
4712 | * In other case we simply override error to indicate success as we | |
4713 | * already remembered if TX power value is actually valid. | |
4714 | */ | |
4715 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI); | |
4716 | if (!cp) { | |
4717 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
4718 | status = 0; | |
4719 | } | |
4720 | ||
4721 | if (!cp) { | |
4722 | BT_ERR("invalid sent_cmd in response"); | |
4723 | goto unlock; | |
4724 | } | |
4725 | ||
4726 | handle = __le16_to_cpu(cp->handle); | |
4727 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
4728 | if (!conn) { | |
4729 | BT_ERR("unknown handle (%d) in response", handle); | |
4730 | goto unlock; | |
4731 | } | |
4732 | ||
4733 | match.conn = conn; | |
4734 | match.mgmt_status = mgmt_status(status); | |
4735 | ||
4736 | /* Cache refresh is complete, now reply for mgmt request for given | |
4737 | * connection only. | |
4738 | */ | |
4739 | mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev, | |
4740 | get_conn_info_complete, &match); | |
4741 | ||
4742 | unlock: | |
4743 | hci_dev_unlock(hdev); | |
4744 | } | |
4745 | ||
4746 | static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data, | |
4747 | u16 len) | |
4748 | { | |
4749 | struct mgmt_cp_get_conn_info *cp = data; | |
4750 | struct mgmt_rp_get_conn_info rp; | |
4751 | struct hci_conn *conn; | |
4752 | unsigned long conn_info_age; | |
4753 | int err = 0; | |
4754 | ||
4755 | BT_DBG("%s", hdev->name); | |
4756 | ||
4757 | memset(&rp, 0, sizeof(rp)); | |
4758 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
4759 | rp.addr.type = cp->addr.type; | |
4760 | ||
4761 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
4762 | return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, | |
4763 | MGMT_STATUS_INVALID_PARAMS, | |
4764 | &rp, sizeof(rp)); | |
4765 | ||
4766 | hci_dev_lock(hdev); | |
4767 | ||
4768 | if (!hdev_is_powered(hdev)) { | |
4769 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, | |
4770 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
4771 | goto unlock; | |
4772 | } | |
4773 | ||
4774 | if (cp->addr.type == BDADDR_BREDR) | |
4775 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
4776 | &cp->addr.bdaddr); | |
4777 | else | |
4778 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); | |
4779 | ||
4780 | if (!conn || conn->state != BT_CONNECTED) { | |
4781 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, | |
4782 | MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp)); | |
4783 | goto unlock; | |
4784 | } | |
4785 | ||
4786 | /* To avoid client trying to guess when to poll again for information we | |
4787 | * calculate conn info age as random value between min/max set in hdev. | |
4788 | */ | |
4789 | conn_info_age = hdev->conn_info_min_age + | |
4790 | prandom_u32_max(hdev->conn_info_max_age - | |
4791 | hdev->conn_info_min_age); | |
4792 | ||
4793 | /* Query controller to refresh cached values if they are too old or were | |
4794 | * never read. | |
4795 | */ | |
f4e2dd53 AK |
4796 | if (time_after(jiffies, conn->conn_info_timestamp + |
4797 | msecs_to_jiffies(conn_info_age)) || | |
dd983808 AK |
4798 | !conn->conn_info_timestamp) { |
4799 | struct hci_request req; | |
4800 | struct hci_cp_read_tx_power req_txp_cp; | |
4801 | struct hci_cp_read_rssi req_rssi_cp; | |
4802 | struct pending_cmd *cmd; | |
4803 | ||
4804 | hci_req_init(&req, hdev); | |
4805 | req_rssi_cp.handle = cpu_to_le16(conn->handle); | |
4806 | hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp), | |
4807 | &req_rssi_cp); | |
4808 | ||
f7faab0c AK |
4809 | /* For LE links TX power does not change thus we don't need to |
4810 | * query for it once value is known. | |
4811 | */ | |
4812 | if (!bdaddr_type_is_le(cp->addr.type) || | |
4813 | conn->tx_power == HCI_TX_POWER_INVALID) { | |
4814 | req_txp_cp.handle = cpu_to_le16(conn->handle); | |
4815 | req_txp_cp.type = 0x00; | |
4816 | hci_req_add(&req, HCI_OP_READ_TX_POWER, | |
4817 | sizeof(req_txp_cp), &req_txp_cp); | |
4818 | } | |
dd983808 | 4819 | |
eed5daf3 AK |
4820 | /* Max TX power needs to be read only once per connection */ |
4821 | if (conn->max_tx_power == HCI_TX_POWER_INVALID) { | |
4822 | req_txp_cp.handle = cpu_to_le16(conn->handle); | |
4823 | req_txp_cp.type = 0x01; | |
4824 | hci_req_add(&req, HCI_OP_READ_TX_POWER, | |
4825 | sizeof(req_txp_cp), &req_txp_cp); | |
4826 | } | |
4827 | ||
dd983808 AK |
4828 | err = hci_req_run(&req, conn_info_refresh_complete); |
4829 | if (err < 0) | |
4830 | goto unlock; | |
4831 | ||
4832 | cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev, | |
4833 | data, len); | |
4834 | if (!cmd) { | |
4835 | err = -ENOMEM; | |
4836 | goto unlock; | |
4837 | } | |
4838 | ||
4839 | hci_conn_hold(conn); | |
4840 | cmd->user_data = conn; | |
4841 | ||
4842 | conn->conn_info_timestamp = jiffies; | |
4843 | } else { | |
4844 | /* Cache is valid, just reply with values cached in hci_conn */ | |
4845 | rp.rssi = conn->rssi; | |
4846 | rp.tx_power = conn->tx_power; | |
eed5daf3 | 4847 | rp.max_tx_power = conn->max_tx_power; |
dd983808 AK |
4848 | |
4849 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, | |
4850 | MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); | |
4851 | } | |
4852 | ||
4853 | unlock: | |
4854 | hci_dev_unlock(hdev); | |
4855 | return err; | |
4856 | } | |
4857 | ||
95868426 JH |
4858 | static void get_clock_info_complete(struct hci_dev *hdev, u8 status) |
4859 | { | |
4860 | struct mgmt_cp_get_clock_info *cp; | |
4861 | struct mgmt_rp_get_clock_info rp; | |
4862 | struct hci_cp_read_clock *hci_cp; | |
4863 | struct pending_cmd *cmd; | |
4864 | struct hci_conn *conn; | |
4865 | ||
4866 | BT_DBG("%s status %u", hdev->name, status); | |
4867 | ||
4868 | hci_dev_lock(hdev); | |
4869 | ||
4870 | hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
4871 | if (!hci_cp) | |
4872 | goto unlock; | |
4873 | ||
4874 | if (hci_cp->which) { | |
4875 | u16 handle = __le16_to_cpu(hci_cp->handle); | |
4876 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
4877 | } else { | |
4878 | conn = NULL; | |
4879 | } | |
4880 | ||
4881 | cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn); | |
4882 | if (!cmd) | |
4883 | goto unlock; | |
4884 | ||
4885 | cp = cmd->param; | |
4886 | ||
4887 | memset(&rp, 0, sizeof(rp)); | |
4888 | memcpy(&rp.addr, &cp->addr, sizeof(rp.addr)); | |
4889 | ||
4890 | if (status) | |
4891 | goto send_rsp; | |
4892 | ||
4893 | rp.local_clock = cpu_to_le32(hdev->clock); | |
4894 | ||
4895 | if (conn) { | |
4896 | rp.piconet_clock = cpu_to_le32(conn->clock); | |
4897 | rp.accuracy = cpu_to_le16(conn->clock_accuracy); | |
4898 | } | |
4899 | ||
4900 | send_rsp: | |
4901 | cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status), | |
4902 | &rp, sizeof(rp)); | |
4903 | mgmt_pending_remove(cmd); | |
4904 | if (conn) | |
4905 | hci_conn_drop(conn); | |
4906 | ||
4907 | unlock: | |
4908 | hci_dev_unlock(hdev); | |
4909 | } | |
4910 | ||
4911 | static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data, | |
4912 | u16 len) | |
4913 | { | |
4914 | struct mgmt_cp_get_clock_info *cp = data; | |
4915 | struct mgmt_rp_get_clock_info rp; | |
4916 | struct hci_cp_read_clock hci_cp; | |
4917 | struct pending_cmd *cmd; | |
4918 | struct hci_request req; | |
4919 | struct hci_conn *conn; | |
4920 | int err; | |
4921 | ||
4922 | BT_DBG("%s", hdev->name); | |
4923 | ||
4924 | memset(&rp, 0, sizeof(rp)); | |
4925 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
4926 | rp.addr.type = cp->addr.type; | |
4927 | ||
4928 | if (cp->addr.type != BDADDR_BREDR) | |
4929 | return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, | |
4930 | MGMT_STATUS_INVALID_PARAMS, | |
4931 | &rp, sizeof(rp)); | |
4932 | ||
4933 | hci_dev_lock(hdev); | |
4934 | ||
4935 | if (!hdev_is_powered(hdev)) { | |
4936 | err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, | |
4937 | MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); | |
4938 | goto unlock; | |
4939 | } | |
4940 | ||
4941 | if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { | |
4942 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
4943 | &cp->addr.bdaddr); | |
4944 | if (!conn || conn->state != BT_CONNECTED) { | |
4945 | err = cmd_complete(sk, hdev->id, | |
4946 | MGMT_OP_GET_CLOCK_INFO, | |
4947 | MGMT_STATUS_NOT_CONNECTED, | |
4948 | &rp, sizeof(rp)); | |
4949 | goto unlock; | |
4950 | } | |
4951 | } else { | |
4952 | conn = NULL; | |
4953 | } | |
4954 | ||
4955 | cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len); | |
4956 | if (!cmd) { | |
4957 | err = -ENOMEM; | |
4958 | goto unlock; | |
4959 | } | |
4960 | ||
4961 | hci_req_init(&req, hdev); | |
4962 | ||
4963 | memset(&hci_cp, 0, sizeof(hci_cp)); | |
4964 | hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); | |
4965 | ||
4966 | if (conn) { | |
4967 | hci_conn_hold(conn); | |
4968 | cmd->user_data = conn; | |
4969 | ||
4970 | hci_cp.handle = cpu_to_le16(conn->handle); | |
4971 | hci_cp.which = 0x01; /* Piconet clock */ | |
4972 | hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); | |
4973 | } | |
4974 | ||
4975 | err = hci_req_run(&req, get_clock_info_complete); | |
4976 | if (err < 0) | |
4977 | mgmt_pending_remove(cmd); | |
4978 | ||
4979 | unlock: | |
4980 | hci_dev_unlock(hdev); | |
4981 | return err; | |
4982 | } | |
4983 | ||
8afef092 MH |
4984 | static void device_added(struct sock *sk, struct hci_dev *hdev, |
4985 | bdaddr_t *bdaddr, u8 type, u8 action) | |
4986 | { | |
4987 | struct mgmt_ev_device_added ev; | |
4988 | ||
4989 | bacpy(&ev.addr.bdaddr, bdaddr); | |
4990 | ev.addr.type = type; | |
4991 | ev.action = action; | |
4992 | ||
4993 | mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk); | |
4994 | } | |
4995 | ||
2faade53 MH |
4996 | static int add_device(struct sock *sk, struct hci_dev *hdev, |
4997 | void *data, u16 len) | |
4998 | { | |
4999 | struct mgmt_cp_add_device *cp = data; | |
5000 | u8 auto_conn, addr_type; | |
5001 | int err; | |
5002 | ||
5003 | BT_DBG("%s", hdev->name); | |
5004 | ||
5005 | if (!bdaddr_type_is_le(cp->addr.type) || | |
5006 | !bacmp(&cp->addr.bdaddr, BDADDR_ANY)) | |
5007 | return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, | |
5008 | MGMT_STATUS_INVALID_PARAMS, | |
5009 | &cp->addr, sizeof(cp->addr)); | |
5010 | ||
5011 | if (cp->action != 0x00 && cp->action != 0x01) | |
5012 | return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, | |
5013 | MGMT_STATUS_INVALID_PARAMS, | |
5014 | &cp->addr, sizeof(cp->addr)); | |
5015 | ||
5016 | hci_dev_lock(hdev); | |
5017 | ||
5018 | if (cp->addr.type == BDADDR_LE_PUBLIC) | |
5019 | addr_type = ADDR_LE_DEV_PUBLIC; | |
5020 | else | |
5021 | addr_type = ADDR_LE_DEV_RANDOM; | |
5022 | ||
5023 | if (cp->action) | |
5024 | auto_conn = HCI_AUTO_CONN_ALWAYS; | |
5025 | else | |
5026 | auto_conn = HCI_AUTO_CONN_DISABLED; | |
5027 | ||
bf5b3c8b MH |
5028 | /* If the connection parameters don't exist for this device, |
5029 | * they will be created and configured with defaults. | |
5030 | */ | |
5031 | if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type, auto_conn, | |
2faade53 MH |
5032 | hdev->le_conn_min_interval, |
5033 | hdev->le_conn_max_interval) < 0) { | |
5034 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, | |
5035 | MGMT_STATUS_FAILED, | |
5036 | &cp->addr, sizeof(cp->addr)); | |
5037 | goto unlock; | |
5038 | } | |
5039 | ||
8afef092 MH |
5040 | device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action); |
5041 | ||
2faade53 MH |
5042 | err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
5043 | MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr)); | |
5044 | ||
5045 | unlock: | |
5046 | hci_dev_unlock(hdev); | |
5047 | return err; | |
5048 | } | |
5049 | ||
8afef092 MH |
5050 | static void device_removed(struct sock *sk, struct hci_dev *hdev, |
5051 | bdaddr_t *bdaddr, u8 type) | |
5052 | { | |
5053 | struct mgmt_ev_device_removed ev; | |
5054 | ||
5055 | bacpy(&ev.addr.bdaddr, bdaddr); | |
5056 | ev.addr.type = type; | |
5057 | ||
5058 | mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk); | |
5059 | } | |
5060 | ||
2faade53 MH |
5061 | static int remove_device(struct sock *sk, struct hci_dev *hdev, |
5062 | void *data, u16 len) | |
5063 | { | |
5064 | struct mgmt_cp_remove_device *cp = data; | |
5065 | int err; | |
5066 | ||
5067 | BT_DBG("%s", hdev->name); | |
5068 | ||
5069 | hci_dev_lock(hdev); | |
5070 | ||
5071 | if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { | |
5072 | u8 addr_type; | |
5073 | ||
5074 | if (!bdaddr_type_is_le(cp->addr.type)) { | |
5075 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, | |
5076 | MGMT_STATUS_INVALID_PARAMS, | |
5077 | &cp->addr, sizeof(cp->addr)); | |
5078 | goto unlock; | |
5079 | } | |
5080 | ||
5081 | if (cp->addr.type == BDADDR_LE_PUBLIC) | |
5082 | addr_type = ADDR_LE_DEV_PUBLIC; | |
5083 | else | |
5084 | addr_type = ADDR_LE_DEV_RANDOM; | |
5085 | ||
5086 | hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type); | |
8afef092 MH |
5087 | |
5088 | device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type); | |
2faade53 MH |
5089 | } else { |
5090 | if (cp->addr.type) { | |
5091 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, | |
5092 | MGMT_STATUS_INVALID_PARAMS, | |
5093 | &cp->addr, sizeof(cp->addr)); | |
5094 | goto unlock; | |
5095 | } | |
5096 | ||
5097 | hci_conn_params_clear(hdev); | |
5098 | } | |
5099 | ||
5100 | err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE, | |
5101 | MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr)); | |
5102 | ||
5103 | unlock: | |
5104 | hci_dev_unlock(hdev); | |
5105 | return err; | |
5106 | } | |
5107 | ||
2e3c35ea | 5108 | static const struct mgmt_handler { |
04124681 GP |
5109 | int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, |
5110 | u16 data_len); | |
be22b54e JH |
5111 | bool var_len; |
5112 | size_t data_len; | |
0f4e68cf JH |
5113 | } mgmt_handlers[] = { |
5114 | { NULL }, /* 0x0000 (no command) */ | |
be22b54e JH |
5115 | { read_version, false, MGMT_READ_VERSION_SIZE }, |
5116 | { read_commands, false, MGMT_READ_COMMANDS_SIZE }, | |
5117 | { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE }, | |
5118 | { read_controller_info, false, MGMT_READ_INFO_SIZE }, | |
5119 | { set_powered, false, MGMT_SETTING_SIZE }, | |
5120 | { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE }, | |
5121 | { set_connectable, false, MGMT_SETTING_SIZE }, | |
5122 | { set_fast_connectable, false, MGMT_SETTING_SIZE }, | |
5123 | { set_pairable, false, MGMT_SETTING_SIZE }, | |
5124 | { set_link_security, false, MGMT_SETTING_SIZE }, | |
5125 | { set_ssp, false, MGMT_SETTING_SIZE }, | |
5126 | { set_hs, false, MGMT_SETTING_SIZE }, | |
5127 | { set_le, false, MGMT_SETTING_SIZE }, | |
5128 | { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE }, | |
5129 | { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE }, | |
5130 | { add_uuid, false, MGMT_ADD_UUID_SIZE }, | |
5131 | { remove_uuid, false, MGMT_REMOVE_UUID_SIZE }, | |
5132 | { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE }, | |
5133 | { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE }, | |
5134 | { disconnect, false, MGMT_DISCONNECT_SIZE }, | |
5135 | { get_connections, false, MGMT_GET_CONNECTIONS_SIZE }, | |
5136 | { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE }, | |
5137 | { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE }, | |
5138 | { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE }, | |
5139 | { pair_device, false, MGMT_PAIR_DEVICE_SIZE }, | |
5140 | { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE }, | |
5141 | { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE }, | |
5142 | { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE }, | |
5143 | { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE }, | |
5144 | { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE }, | |
5145 | { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE }, | |
5146 | { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE }, | |
ec109113 | 5147 | { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE }, |
be22b54e JH |
5148 | { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE }, |
5149 | { start_discovery, false, MGMT_START_DISCOVERY_SIZE }, | |
5150 | { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE }, | |
5151 | { confirm_name, false, MGMT_CONFIRM_NAME_SIZE }, | |
5152 | { block_device, false, MGMT_BLOCK_DEVICE_SIZE }, | |
5153 | { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE }, | |
cdbaccca | 5154 | { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE }, |
4375f103 | 5155 | { set_advertising, false, MGMT_SETTING_SIZE }, |
0663ca2a | 5156 | { set_bredr, false, MGMT_SETTING_SIZE }, |
d13eafce | 5157 | { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE }, |
14b49b9a | 5158 | { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE }, |
eac83dc6 | 5159 | { set_secure_conn, false, MGMT_SETTING_SIZE }, |
4e39ac81 | 5160 | { set_debug_keys, false, MGMT_SETTING_SIZE }, |
62b04cd1 | 5161 | { set_privacy, false, MGMT_SET_PRIVACY_SIZE }, |
41edf160 | 5162 | { load_irks, true, MGMT_LOAD_IRKS_SIZE }, |
dd983808 | 5163 | { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE }, |
95868426 | 5164 | { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE }, |
2faade53 MH |
5165 | { add_device, false, MGMT_ADD_DEVICE_SIZE }, |
5166 | { remove_device, false, MGMT_REMOVE_DEVICE_SIZE }, | |
0f4e68cf JH |
5167 | }; |
5168 | ||
0381101f JH |
5169 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) |
5170 | { | |
650f726d VCG |
5171 | void *buf; |
5172 | u8 *cp; | |
0381101f | 5173 | struct mgmt_hdr *hdr; |
4e51eae9 | 5174 | u16 opcode, index, len; |
bdb6d971 | 5175 | struct hci_dev *hdev = NULL; |
2e3c35ea | 5176 | const struct mgmt_handler *handler; |
0381101f JH |
5177 | int err; |
5178 | ||
5179 | BT_DBG("got %zu bytes", msglen); | |
5180 | ||
5181 | if (msglen < sizeof(*hdr)) | |
5182 | return -EINVAL; | |
5183 | ||
e63a15ec | 5184 | buf = kmalloc(msglen, GFP_KERNEL); |
0381101f JH |
5185 | if (!buf) |
5186 | return -ENOMEM; | |
5187 | ||
5188 | if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) { | |
5189 | err = -EFAULT; | |
5190 | goto done; | |
5191 | } | |
5192 | ||
650f726d | 5193 | hdr = buf; |
1f350c87 MH |
5194 | opcode = __le16_to_cpu(hdr->opcode); |
5195 | index = __le16_to_cpu(hdr->index); | |
5196 | len = __le16_to_cpu(hdr->len); | |
0381101f JH |
5197 | |
5198 | if (len != msglen - sizeof(*hdr)) { | |
5199 | err = -EINVAL; | |
5200 | goto done; | |
5201 | } | |
5202 | ||
0f4e68cf | 5203 | if (index != MGMT_INDEX_NONE) { |
bdb6d971 JH |
5204 | hdev = hci_dev_get(index); |
5205 | if (!hdev) { | |
5206 | err = cmd_status(sk, index, opcode, | |
04124681 | 5207 | MGMT_STATUS_INVALID_INDEX); |
bdb6d971 JH |
5208 | goto done; |
5209 | } | |
0736cfa8 | 5210 | |
cebf4cfd | 5211 | if (test_bit(HCI_SETUP, &hdev->dev_flags) || |
fee746b0 MH |
5212 | test_bit(HCI_USER_CHANNEL, &hdev->dev_flags) || |
5213 | test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) { | |
0736cfa8 MH |
5214 | err = cmd_status(sk, index, opcode, |
5215 | MGMT_STATUS_INVALID_INDEX); | |
5216 | goto done; | |
5217 | } | |
bdb6d971 JH |
5218 | } |
5219 | ||
0f4e68cf | 5220 | if (opcode >= ARRAY_SIZE(mgmt_handlers) || |
8ce8e2b5 | 5221 | mgmt_handlers[opcode].func == NULL) { |
0381101f | 5222 | BT_DBG("Unknown op %u", opcode); |
ca69b795 | 5223 | err = cmd_status(sk, index, opcode, |
04124681 | 5224 | MGMT_STATUS_UNKNOWN_COMMAND); |
0f4e68cf JH |
5225 | goto done; |
5226 | } | |
5227 | ||
5228 | if ((hdev && opcode < MGMT_OP_READ_INFO) || | |
8ce8e2b5 | 5229 | (!hdev && opcode >= MGMT_OP_READ_INFO)) { |
0f4e68cf | 5230 | err = cmd_status(sk, index, opcode, |
04124681 | 5231 | MGMT_STATUS_INVALID_INDEX); |
0f4e68cf | 5232 | goto done; |
0381101f JH |
5233 | } |
5234 | ||
be22b54e JH |
5235 | handler = &mgmt_handlers[opcode]; |
5236 | ||
5237 | if ((handler->var_len && len < handler->data_len) || | |
8ce8e2b5 | 5238 | (!handler->var_len && len != handler->data_len)) { |
be22b54e | 5239 | err = cmd_status(sk, index, opcode, |
04124681 | 5240 | MGMT_STATUS_INVALID_PARAMS); |
be22b54e JH |
5241 | goto done; |
5242 | } | |
5243 | ||
0f4e68cf JH |
5244 | if (hdev) |
5245 | mgmt_init_hdev(sk, hdev); | |
5246 | ||
5247 | cp = buf + sizeof(*hdr); | |
5248 | ||
be22b54e | 5249 | err = handler->func(sk, hdev, cp, len); |
e41d8b4e JH |
5250 | if (err < 0) |
5251 | goto done; | |
5252 | ||
0381101f JH |
5253 | err = msglen; |
5254 | ||
5255 | done: | |
bdb6d971 JH |
5256 | if (hdev) |
5257 | hci_dev_put(hdev); | |
5258 | ||
0381101f JH |
5259 | kfree(buf); |
5260 | return err; | |
5261 | } | |
c71e97bf | 5262 | |
bf6b56db | 5263 | void mgmt_index_added(struct hci_dev *hdev) |
c71e97bf | 5264 | { |
1514b892 | 5265 | if (hdev->dev_type != HCI_BREDR) |
bf6b56db | 5266 | return; |
bb4b2a9a | 5267 | |
bf6b56db | 5268 | mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL); |
c71e97bf JH |
5269 | } |
5270 | ||
bf6b56db | 5271 | void mgmt_index_removed(struct hci_dev *hdev) |
c71e97bf | 5272 | { |
5f159032 | 5273 | u8 status = MGMT_STATUS_INVALID_INDEX; |
b24752fe | 5274 | |
1514b892 | 5275 | if (hdev->dev_type != HCI_BREDR) |
bf6b56db | 5276 | return; |
bb4b2a9a | 5277 | |
744cf19e | 5278 | mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); |
b24752fe | 5279 | |
bf6b56db | 5280 | mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL); |
eec8d2bc JH |
5281 | } |
5282 | ||
6046dc3e AG |
5283 | /* This function requires the caller holds hdev->lock */ |
5284 | static void restart_le_auto_conns(struct hci_dev *hdev) | |
5285 | { | |
5286 | struct hci_conn_params *p; | |
5287 | ||
5288 | list_for_each_entry(p, &hdev->le_conn_params, list) { | |
5289 | if (p->auto_connect == HCI_AUTO_CONN_ALWAYS) | |
5290 | hci_pend_le_conn_add(hdev, &p->addr, p->addr_type); | |
5291 | } | |
5292 | } | |
5293 | ||
229ab39c JH |
5294 | static void powered_complete(struct hci_dev *hdev, u8 status) |
5295 | { | |
5296 | struct cmd_lookup match = { NULL, hdev }; | |
5297 | ||
5298 | BT_DBG("status 0x%02x", status); | |
5299 | ||
5300 | hci_dev_lock(hdev); | |
5301 | ||
6046dc3e AG |
5302 | restart_le_auto_conns(hdev); |
5303 | ||
229ab39c JH |
5304 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); |
5305 | ||
5306 | new_settings(hdev, match.sk); | |
5307 | ||
5308 | hci_dev_unlock(hdev); | |
5309 | ||
5310 | if (match.sk) | |
5311 | sock_put(match.sk); | |
5312 | } | |
5313 | ||
70da6243 | 5314 | static int powered_update_hci(struct hci_dev *hdev) |
5add6af8 | 5315 | { |
890ea898 | 5316 | struct hci_request req; |
70da6243 | 5317 | u8 link_sec; |
5add6af8 | 5318 | |
890ea898 JH |
5319 | hci_req_init(&req, hdev); |
5320 | ||
70da6243 JH |
5321 | if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && |
5322 | !lmp_host_ssp_capable(hdev)) { | |
5323 | u8 ssp = 1; | |
5e5282bb | 5324 | |
890ea898 | 5325 | hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp); |
70da6243 | 5326 | } |
5add6af8 | 5327 | |
c73eee91 JH |
5328 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && |
5329 | lmp_bredr_capable(hdev)) { | |
70da6243 | 5330 | struct hci_cp_write_le_host_supported cp; |
f0ff92fb | 5331 | |
70da6243 JH |
5332 | cp.le = 1; |
5333 | cp.simul = lmp_le_br_capable(hdev); | |
3d1cbdd6 | 5334 | |
70da6243 JH |
5335 | /* Check first if we already have the right |
5336 | * host state (host features set) | |
5337 | */ | |
5338 | if (cp.le != lmp_host_le_capable(hdev) || | |
5339 | cp.simul != lmp_host_le_br_capable(hdev)) | |
890ea898 JH |
5340 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, |
5341 | sizeof(cp), &cp); | |
70da6243 | 5342 | } |
3d1cbdd6 | 5343 | |
d13eafce | 5344 | if (lmp_le_capable(hdev)) { |
441ad2d0 MH |
5345 | /* Make sure the controller has a good default for |
5346 | * advertising data. This also applies to the case | |
5347 | * where BR/EDR was toggled during the AUTO_OFF phase. | |
5348 | */ | |
f14d8f64 | 5349 | if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { |
5947f4bc | 5350 | update_adv_data(&req); |
f14d8f64 MH |
5351 | update_scan_rsp_data(&req); |
5352 | } | |
441ad2d0 | 5353 | |
bba3aa55 MH |
5354 | if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) |
5355 | enable_advertising(&req); | |
eeca6f89 JH |
5356 | } |
5357 | ||
70da6243 JH |
5358 | link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags); |
5359 | if (link_sec != test_bit(HCI_AUTH, &hdev->flags)) | |
890ea898 JH |
5360 | hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE, |
5361 | sizeof(link_sec), &link_sec); | |
562fcc24 | 5362 | |
70da6243 | 5363 | if (lmp_bredr_capable(hdev)) { |
56f87901 JH |
5364 | if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) |
5365 | set_bredr_scan(&req); | |
890ea898 | 5366 | update_class(&req); |
13928971 | 5367 | update_name(&req); |
890ea898 | 5368 | update_eir(&req); |
70da6243 | 5369 | } |
562fcc24 | 5370 | |
229ab39c | 5371 | return hci_req_run(&req, powered_complete); |
70da6243 | 5372 | } |
562fcc24 | 5373 | |
70da6243 JH |
5374 | int mgmt_powered(struct hci_dev *hdev, u8 powered) |
5375 | { | |
5376 | struct cmd_lookup match = { NULL, hdev }; | |
229ab39c JH |
5377 | u8 status_not_powered = MGMT_STATUS_NOT_POWERED; |
5378 | u8 zero_cod[] = { 0, 0, 0 }; | |
70da6243 | 5379 | int err; |
f0ff92fb | 5380 | |
70da6243 JH |
5381 | if (!test_bit(HCI_MGMT, &hdev->dev_flags)) |
5382 | return 0; | |
5383 | ||
70da6243 | 5384 | if (powered) { |
229ab39c JH |
5385 | if (powered_update_hci(hdev) == 0) |
5386 | return 0; | |
fe038884 | 5387 | |
229ab39c JH |
5388 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, |
5389 | &match); | |
5390 | goto new_settings; | |
b24752fe JH |
5391 | } |
5392 | ||
229ab39c JH |
5393 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); |
5394 | mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered); | |
5395 | ||
5396 | if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) | |
5397 | mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, | |
5398 | zero_cod, sizeof(zero_cod), NULL); | |
5399 | ||
5400 | new_settings: | |
beadb2bd | 5401 | err = new_settings(hdev, match.sk); |
eec8d2bc JH |
5402 | |
5403 | if (match.sk) | |
5404 | sock_put(match.sk); | |
5405 | ||
7bb895d6 | 5406 | return err; |
5add6af8 | 5407 | } |
73f22f62 | 5408 | |
3eec705e | 5409 | void mgmt_set_powered_failed(struct hci_dev *hdev, int err) |
96570ffc JH |
5410 | { |
5411 | struct pending_cmd *cmd; | |
5412 | u8 status; | |
5413 | ||
5414 | cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev); | |
5415 | if (!cmd) | |
3eec705e | 5416 | return; |
96570ffc JH |
5417 | |
5418 | if (err == -ERFKILL) | |
5419 | status = MGMT_STATUS_RFKILLED; | |
5420 | else | |
5421 | status = MGMT_STATUS_FAILED; | |
5422 | ||
3eec705e | 5423 | cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status); |
96570ffc JH |
5424 | |
5425 | mgmt_pending_remove(cmd); | |
96570ffc JH |
5426 | } |
5427 | ||
d1967ff8 MH |
5428 | void mgmt_discoverable_timeout(struct hci_dev *hdev) |
5429 | { | |
5430 | struct hci_request req; | |
d1967ff8 MH |
5431 | |
5432 | hci_dev_lock(hdev); | |
5433 | ||
5434 | /* When discoverable timeout triggers, then just make sure | |
5435 | * the limited discoverable flag is cleared. Even in the case | |
5436 | * of a timeout triggered from general discoverable, it is | |
5437 | * safe to unconditionally clear the flag. | |
5438 | */ | |
5439 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
9a43e25f | 5440 | clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); |
d1967ff8 MH |
5441 | |
5442 | hci_req_init(&req, hdev); | |
4b580614 JH |
5443 | if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { |
5444 | u8 scan = SCAN_PAGE; | |
5445 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, | |
5446 | sizeof(scan), &scan); | |
5447 | } | |
d1967ff8 | 5448 | update_class(&req); |
9a43e25f | 5449 | update_adv_data(&req); |
d1967ff8 MH |
5450 | hci_req_run(&req, NULL); |
5451 | ||
5452 | hdev->discov_timeout = 0; | |
5453 | ||
9a43e25f JH |
5454 | new_settings(hdev, NULL); |
5455 | ||
d1967ff8 MH |
5456 | hci_dev_unlock(hdev); |
5457 | } | |
5458 | ||
86a75645 | 5459 | void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable) |
73f22f62 | 5460 | { |
86a75645 | 5461 | bool changed; |
73f22f62 | 5462 | |
bfaf8c9f JH |
5463 | /* Nothing needed here if there's a pending command since that |
5464 | * commands request completion callback takes care of everything | |
5465 | * necessary. | |
5466 | */ | |
5467 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev)) | |
86a75645 | 5468 | return; |
bfaf8c9f | 5469 | |
bd107999 JH |
5470 | /* Powering off may clear the scan mode - don't let that interfere */ |
5471 | if (!discoverable && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) | |
5472 | return; | |
5473 | ||
9a43e25f | 5474 | if (discoverable) { |
86a75645 | 5475 | changed = !test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags); |
9a43e25f JH |
5476 | } else { |
5477 | clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); | |
86a75645 | 5478 | changed = test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); |
9a43e25f JH |
5479 | } |
5480 | ||
5481 | if (changed) { | |
5482 | struct hci_request req; | |
5483 | ||
5484 | /* In case this change in discoverable was triggered by | |
5485 | * a disabling of connectable there could be a need to | |
5486 | * update the advertising flags. | |
5487 | */ | |
5488 | hci_req_init(&req, hdev); | |
5489 | update_adv_data(&req); | |
5490 | hci_req_run(&req, NULL); | |
73f22f62 | 5491 | |
86a75645 | 5492 | new_settings(hdev, NULL); |
9a43e25f | 5493 | } |
73f22f62 | 5494 | } |
9fbcbb45 | 5495 | |
a330916c | 5496 | void mgmt_connectable(struct hci_dev *hdev, u8 connectable) |
9fbcbb45 | 5497 | { |
a330916c | 5498 | bool changed; |
9fbcbb45 | 5499 | |
d7b856f9 JH |
5500 | /* Nothing needed here if there's a pending command since that |
5501 | * commands request completion callback takes care of everything | |
5502 | * necessary. | |
5503 | */ | |
5504 | if (mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) | |
a330916c | 5505 | return; |
d7b856f9 | 5506 | |
ce3f24cf JH |
5507 | /* Powering off may clear the scan mode - don't let that interfere */ |
5508 | if (!connectable && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) | |
5509 | return; | |
5510 | ||
a330916c MH |
5511 | if (connectable) |
5512 | changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
5513 | else | |
5514 | changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); | |
9fbcbb45 | 5515 | |
beadb2bd | 5516 | if (changed) |
a330916c | 5517 | new_settings(hdev, NULL); |
9fbcbb45 | 5518 | } |
55ed8ca1 | 5519 | |
778b235a JH |
5520 | void mgmt_advertising(struct hci_dev *hdev, u8 advertising) |
5521 | { | |
7c4cfab8 JH |
5522 | /* Powering off may stop advertising - don't let that interfere */ |
5523 | if (!advertising && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) | |
5524 | return; | |
5525 | ||
778b235a JH |
5526 | if (advertising) |
5527 | set_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
5528 | else | |
5529 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
5530 | } | |
5531 | ||
4796e8af | 5532 | void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status) |
2d7cee58 | 5533 | { |
ca69b795 JH |
5534 | u8 mgmt_err = mgmt_status(status); |
5535 | ||
2d7cee58 | 5536 | if (scan & SCAN_PAGE) |
744cf19e | 5537 | mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, |
04124681 | 5538 | cmd_status_rsp, &mgmt_err); |
2d7cee58 JH |
5539 | |
5540 | if (scan & SCAN_INQUIRY) | |
744cf19e | 5541 | mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, |
04124681 | 5542 | cmd_status_rsp, &mgmt_err); |
2d7cee58 JH |
5543 | } |
5544 | ||
dc4a5ee2 MH |
5545 | void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, |
5546 | bool persistent) | |
55ed8ca1 | 5547 | { |
86742e1e | 5548 | struct mgmt_ev_new_link_key ev; |
55ed8ca1 | 5549 | |
a492cd52 | 5550 | memset(&ev, 0, sizeof(ev)); |
55ed8ca1 | 5551 | |
a492cd52 | 5552 | ev.store_hint = persistent; |
d753fdc4 | 5553 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
591f47f3 | 5554 | ev.key.addr.type = BDADDR_BREDR; |
a492cd52 | 5555 | ev.key.type = key->type; |
9b3b4460 | 5556 | memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); |
a492cd52 | 5557 | ev.key.pin_len = key->pin_len; |
55ed8ca1 | 5558 | |
dc4a5ee2 | 5559 | mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); |
55ed8ca1 | 5560 | } |
f7520543 | 5561 | |
d7b25450 JH |
5562 | static u8 mgmt_ltk_type(struct smp_ltk *ltk) |
5563 | { | |
5564 | if (ltk->authenticated) | |
5565 | return MGMT_LTK_AUTHENTICATED; | |
5566 | ||
5567 | return MGMT_LTK_UNAUTHENTICATED; | |
5568 | } | |
5569 | ||
53ac6ab6 | 5570 | void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent) |
346af67b VCG |
5571 | { |
5572 | struct mgmt_ev_new_long_term_key ev; | |
5573 | ||
5574 | memset(&ev, 0, sizeof(ev)); | |
5575 | ||
5192d301 MH |
5576 | /* Devices using resolvable or non-resolvable random addresses |
5577 | * without providing an indentity resolving key don't require | |
5578 | * to store long term keys. Their addresses will change the | |
5579 | * next time around. | |
5580 | * | |
5581 | * Only when a remote device provides an identity address | |
5582 | * make sure the long term key is stored. If the remote | |
5583 | * identity is known, the long term keys are internally | |
5584 | * mapped to the identity address. So allow static random | |
5585 | * and public addresses here. | |
5586 | */ | |
ba74b666 JH |
5587 | if (key->bdaddr_type == ADDR_LE_DEV_RANDOM && |
5588 | (key->bdaddr.b[5] & 0xc0) != 0xc0) | |
5589 | ev.store_hint = 0x00; | |
5590 | else | |
53ac6ab6 | 5591 | ev.store_hint = persistent; |
ba74b666 | 5592 | |
346af67b | 5593 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
57c1477c | 5594 | ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type); |
d7b25450 | 5595 | ev.key.type = mgmt_ltk_type(key); |
346af67b VCG |
5596 | ev.key.enc_size = key->enc_size; |
5597 | ev.key.ediv = key->ediv; | |
fe39c7b2 | 5598 | ev.key.rand = key->rand; |
346af67b | 5599 | |
2ceba539 | 5600 | if (key->type == SMP_LTK) |
346af67b VCG |
5601 | ev.key.master = 1; |
5602 | ||
346af67b VCG |
5603 | memcpy(ev.key.val, key->val, sizeof(key->val)); |
5604 | ||
083368f7 | 5605 | mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL); |
346af67b VCG |
5606 | } |
5607 | ||
95fbac8a JH |
5608 | void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk) |
5609 | { | |
5610 | struct mgmt_ev_new_irk ev; | |
5611 | ||
5612 | memset(&ev, 0, sizeof(ev)); | |
5613 | ||
bab6d1e5 MH |
5614 | /* For identity resolving keys from devices that are already |
5615 | * using a public address or static random address, do not | |
5616 | * ask for storing this key. The identity resolving key really | |
5617 | * is only mandatory for devices using resovlable random | |
5618 | * addresses. | |
5619 | * | |
5620 | * Storing all identity resolving keys has the downside that | |
5621 | * they will be also loaded on next boot of they system. More | |
5622 | * identity resolving keys, means more time during scanning is | |
5623 | * needed to actually resolve these addresses. | |
5624 | */ | |
5625 | if (bacmp(&irk->rpa, BDADDR_ANY)) | |
5626 | ev.store_hint = 0x01; | |
5627 | else | |
5628 | ev.store_hint = 0x00; | |
5629 | ||
95fbac8a JH |
5630 | bacpy(&ev.rpa, &irk->rpa); |
5631 | bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr); | |
5632 | ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type); | |
5633 | memcpy(ev.irk.val, irk->val, sizeof(irk->val)); | |
5634 | ||
5635 | mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL); | |
5636 | } | |
5637 | ||
53ac6ab6 MH |
5638 | void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, |
5639 | bool persistent) | |
7ee4ea36 MH |
5640 | { |
5641 | struct mgmt_ev_new_csrk ev; | |
5642 | ||
5643 | memset(&ev, 0, sizeof(ev)); | |
5644 | ||
5645 | /* Devices using resolvable or non-resolvable random addresses | |
5646 | * without providing an indentity resolving key don't require | |
5647 | * to store signature resolving keys. Their addresses will change | |
5648 | * the next time around. | |
5649 | * | |
5650 | * Only when a remote device provides an identity address | |
5651 | * make sure the signature resolving key is stored. So allow | |
5652 | * static random and public addresses here. | |
5653 | */ | |
5654 | if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM && | |
5655 | (csrk->bdaddr.b[5] & 0xc0) != 0xc0) | |
5656 | ev.store_hint = 0x00; | |
5657 | else | |
53ac6ab6 | 5658 | ev.store_hint = persistent; |
7ee4ea36 MH |
5659 | |
5660 | bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr); | |
5661 | ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type); | |
5662 | ev.key.master = csrk->master; | |
5663 | memcpy(ev.key.val, csrk->val, sizeof(csrk->val)); | |
5664 | ||
5665 | mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL); | |
5666 | } | |
5667 | ||
94933991 MH |
5668 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, |
5669 | u8 data_len) | |
5670 | { | |
5671 | eir[eir_len++] = sizeof(type) + data_len; | |
5672 | eir[eir_len++] = type; | |
5673 | memcpy(&eir[eir_len], data, data_len); | |
5674 | eir_len += data_len; | |
5675 | ||
5676 | return eir_len; | |
5677 | } | |
5678 | ||
ecd90ae7 MH |
5679 | void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
5680 | u8 addr_type, u32 flags, u8 *name, u8 name_len, | |
5681 | u8 *dev_class) | |
f7520543 | 5682 | { |
b644ba33 JH |
5683 | char buf[512]; |
5684 | struct mgmt_ev_device_connected *ev = (void *) buf; | |
5685 | u16 eir_len = 0; | |
f7520543 | 5686 | |
b644ba33 | 5687 | bacpy(&ev->addr.bdaddr, bdaddr); |
57c1477c | 5688 | ev->addr.type = link_to_bdaddr(link_type, addr_type); |
f7520543 | 5689 | |
c95f0ba7 | 5690 | ev->flags = __cpu_to_le32(flags); |
08c79b61 | 5691 | |
b644ba33 JH |
5692 | if (name_len > 0) |
5693 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, | |
04124681 | 5694 | name, name_len); |
b644ba33 JH |
5695 | |
5696 | if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0) | |
53156385 | 5697 | eir_len = eir_append_data(ev->eir, eir_len, |
04124681 | 5698 | EIR_CLASS_OF_DEV, dev_class, 3); |
b644ba33 | 5699 | |
eb55ef07 | 5700 | ev->eir_len = cpu_to_le16(eir_len); |
b644ba33 | 5701 | |
ecd90ae7 MH |
5702 | mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf, |
5703 | sizeof(*ev) + eir_len, NULL); | |
f7520543 JH |
5704 | } |
5705 | ||
8962ee74 JH |
5706 | static void disconnect_rsp(struct pending_cmd *cmd, void *data) |
5707 | { | |
c68fb7ff | 5708 | struct mgmt_cp_disconnect *cp = cmd->param; |
8962ee74 | 5709 | struct sock **sk = data; |
a38528f1 | 5710 | struct mgmt_rp_disconnect rp; |
8962ee74 | 5711 | |
88c3df13 JH |
5712 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
5713 | rp.addr.type = cp->addr.type; | |
8962ee74 | 5714 | |
aee9b218 | 5715 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp, |
04124681 | 5716 | sizeof(rp)); |
8962ee74 JH |
5717 | |
5718 | *sk = cmd->sk; | |
5719 | sock_hold(*sk); | |
5720 | ||
a664b5bc | 5721 | mgmt_pending_remove(cmd); |
8962ee74 JH |
5722 | } |
5723 | ||
124f6e35 | 5724 | static void unpair_device_rsp(struct pending_cmd *cmd, void *data) |
a8a1d19e | 5725 | { |
b1078ad0 | 5726 | struct hci_dev *hdev = data; |
124f6e35 JH |
5727 | struct mgmt_cp_unpair_device *cp = cmd->param; |
5728 | struct mgmt_rp_unpair_device rp; | |
a8a1d19e JH |
5729 | |
5730 | memset(&rp, 0, sizeof(rp)); | |
124f6e35 JH |
5731 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
5732 | rp.addr.type = cp->addr.type; | |
a8a1d19e | 5733 | |
b1078ad0 JH |
5734 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk); |
5735 | ||
aee9b218 | 5736 | cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp)); |
a8a1d19e JH |
5737 | |
5738 | mgmt_pending_remove(cmd); | |
5739 | } | |
5740 | ||
9b80ec5e | 5741 | void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
12d4a3b2 JH |
5742 | u8 link_type, u8 addr_type, u8 reason, |
5743 | bool mgmt_connected) | |
f7520543 | 5744 | { |
f0d6a0ea | 5745 | struct mgmt_ev_device_disconnected ev; |
8b064a3a | 5746 | struct pending_cmd *power_off; |
8962ee74 | 5747 | struct sock *sk = NULL; |
8962ee74 | 5748 | |
8b064a3a JH |
5749 | power_off = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev); |
5750 | if (power_off) { | |
5751 | struct mgmt_mode *cp = power_off->param; | |
5752 | ||
5753 | /* The connection is still in hci_conn_hash so test for 1 | |
5754 | * instead of 0 to know if this is the last one. | |
5755 | */ | |
a3172b7e JH |
5756 | if (!cp->val && hci_conn_count(hdev) == 1) { |
5757 | cancel_delayed_work(&hdev->power_off); | |
8b064a3a | 5758 | queue_work(hdev->req_workqueue, &hdev->power_off.work); |
a3172b7e | 5759 | } |
8b064a3a JH |
5760 | } |
5761 | ||
12d4a3b2 JH |
5762 | if (!mgmt_connected) |
5763 | return; | |
5764 | ||
57eb776f AG |
5765 | if (link_type != ACL_LINK && link_type != LE_LINK) |
5766 | return; | |
5767 | ||
744cf19e | 5768 | mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); |
f7520543 | 5769 | |
f0d6a0ea MA |
5770 | bacpy(&ev.addr.bdaddr, bdaddr); |
5771 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
5772 | ev.reason = reason; | |
f7520543 | 5773 | |
9b80ec5e | 5774 | mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk); |
8962ee74 JH |
5775 | |
5776 | if (sk) | |
d97dcb66 | 5777 | sock_put(sk); |
8962ee74 | 5778 | |
124f6e35 | 5779 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
04124681 | 5780 | hdev); |
8962ee74 JH |
5781 | } |
5782 | ||
7892924c MH |
5783 | void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
5784 | u8 link_type, u8 addr_type, u8 status) | |
8962ee74 | 5785 | { |
3655bba8 AG |
5786 | u8 bdaddr_type = link_to_bdaddr(link_type, addr_type); |
5787 | struct mgmt_cp_disconnect *cp; | |
88c3df13 | 5788 | struct mgmt_rp_disconnect rp; |
8962ee74 | 5789 | struct pending_cmd *cmd; |
8962ee74 | 5790 | |
36a75f1b JD |
5791 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
5792 | hdev); | |
5793 | ||
2e58ef3e | 5794 | cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev); |
8962ee74 | 5795 | if (!cmd) |
7892924c | 5796 | return; |
8962ee74 | 5797 | |
3655bba8 AG |
5798 | cp = cmd->param; |
5799 | ||
5800 | if (bacmp(bdaddr, &cp->addr.bdaddr)) | |
5801 | return; | |
5802 | ||
5803 | if (cp->addr.type != bdaddr_type) | |
5804 | return; | |
5805 | ||
88c3df13 | 5806 | bacpy(&rp.addr.bdaddr, bdaddr); |
3655bba8 | 5807 | rp.addr.type = bdaddr_type; |
37d9ef76 | 5808 | |
7892924c MH |
5809 | cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, |
5810 | mgmt_status(status), &rp, sizeof(rp)); | |
8962ee74 | 5811 | |
a664b5bc | 5812 | mgmt_pending_remove(cmd); |
f7520543 | 5813 | } |
17d5c04c | 5814 | |
445608d0 MH |
5815 | void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
5816 | u8 addr_type, u8 status) | |
17d5c04c JH |
5817 | { |
5818 | struct mgmt_ev_connect_failed ev; | |
c9910d0f JH |
5819 | struct pending_cmd *power_off; |
5820 | ||
5821 | power_off = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev); | |
5822 | if (power_off) { | |
5823 | struct mgmt_mode *cp = power_off->param; | |
5824 | ||
5825 | /* The connection is still in hci_conn_hash so test for 1 | |
5826 | * instead of 0 to know if this is the last one. | |
5827 | */ | |
a3172b7e JH |
5828 | if (!cp->val && hci_conn_count(hdev) == 1) { |
5829 | cancel_delayed_work(&hdev->power_off); | |
c9910d0f | 5830 | queue_work(hdev->req_workqueue, &hdev->power_off.work); |
a3172b7e | 5831 | } |
c9910d0f | 5832 | } |
17d5c04c | 5833 | |
4c659c39 | 5834 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 5835 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
ca69b795 | 5836 | ev.status = mgmt_status(status); |
17d5c04c | 5837 | |
445608d0 | 5838 | mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); |
17d5c04c | 5839 | } |
980e1a53 | 5840 | |
ce0e4a0d | 5841 | void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) |
980e1a53 JH |
5842 | { |
5843 | struct mgmt_ev_pin_code_request ev; | |
5844 | ||
d8457698 | 5845 | bacpy(&ev.addr.bdaddr, bdaddr); |
591f47f3 | 5846 | ev.addr.type = BDADDR_BREDR; |
a770bb5a | 5847 | ev.secure = secure; |
980e1a53 | 5848 | |
ce0e4a0d | 5849 | mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL); |
980e1a53 JH |
5850 | } |
5851 | ||
e669cf80 MH |
5852 | void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
5853 | u8 status) | |
980e1a53 JH |
5854 | { |
5855 | struct pending_cmd *cmd; | |
ac56fb13 | 5856 | struct mgmt_rp_pin_code_reply rp; |
980e1a53 | 5857 | |
2e58ef3e | 5858 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev); |
980e1a53 | 5859 | if (!cmd) |
e669cf80 | 5860 | return; |
980e1a53 | 5861 | |
d8457698 | 5862 | bacpy(&rp.addr.bdaddr, bdaddr); |
591f47f3 | 5863 | rp.addr.type = BDADDR_BREDR; |
ac56fb13 | 5864 | |
e669cf80 MH |
5865 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
5866 | mgmt_status(status), &rp, sizeof(rp)); | |
980e1a53 | 5867 | |
a664b5bc | 5868 | mgmt_pending_remove(cmd); |
980e1a53 JH |
5869 | } |
5870 | ||
3eb38528 MH |
5871 | void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
5872 | u8 status) | |
980e1a53 JH |
5873 | { |
5874 | struct pending_cmd *cmd; | |
ac56fb13 | 5875 | struct mgmt_rp_pin_code_reply rp; |
980e1a53 | 5876 | |
2e58ef3e | 5877 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev); |
980e1a53 | 5878 | if (!cmd) |
3eb38528 | 5879 | return; |
980e1a53 | 5880 | |
d8457698 | 5881 | bacpy(&rp.addr.bdaddr, bdaddr); |
591f47f3 | 5882 | rp.addr.type = BDADDR_BREDR; |
ac56fb13 | 5883 | |
3eb38528 MH |
5884 | cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, |
5885 | mgmt_status(status), &rp, sizeof(rp)); | |
980e1a53 | 5886 | |
a664b5bc | 5887 | mgmt_pending_remove(cmd); |
980e1a53 | 5888 | } |
a5c29683 | 5889 | |
744cf19e | 5890 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
39adbffe | 5891 | u8 link_type, u8 addr_type, u32 value, |
04124681 | 5892 | u8 confirm_hint) |
a5c29683 JH |
5893 | { |
5894 | struct mgmt_ev_user_confirm_request ev; | |
5895 | ||
744cf19e | 5896 | BT_DBG("%s", hdev->name); |
a5c29683 | 5897 | |
272d90df | 5898 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 5899 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
55bc1a37 | 5900 | ev.confirm_hint = confirm_hint; |
39adbffe | 5901 | ev.value = cpu_to_le32(value); |
a5c29683 | 5902 | |
744cf19e | 5903 | return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev), |
04124681 | 5904 | NULL); |
a5c29683 JH |
5905 | } |
5906 | ||
272d90df | 5907 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8ce8e2b5 | 5908 | u8 link_type, u8 addr_type) |
604086b7 BG |
5909 | { |
5910 | struct mgmt_ev_user_passkey_request ev; | |
5911 | ||
5912 | BT_DBG("%s", hdev->name); | |
5913 | ||
272d90df | 5914 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 5915 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
604086b7 BG |
5916 | |
5917 | return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev), | |
04124681 | 5918 | NULL); |
604086b7 BG |
5919 | } |
5920 | ||
0df4c185 | 5921 | static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8ce8e2b5 GP |
5922 | u8 link_type, u8 addr_type, u8 status, |
5923 | u8 opcode) | |
a5c29683 JH |
5924 | { |
5925 | struct pending_cmd *cmd; | |
5926 | struct mgmt_rp_user_confirm_reply rp; | |
5927 | int err; | |
5928 | ||
2e58ef3e | 5929 | cmd = mgmt_pending_find(opcode, hdev); |
a5c29683 JH |
5930 | if (!cmd) |
5931 | return -ENOENT; | |
5932 | ||
272d90df | 5933 | bacpy(&rp.addr.bdaddr, bdaddr); |
57c1477c | 5934 | rp.addr.type = link_to_bdaddr(link_type, addr_type); |
aee9b218 | 5935 | err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status), |
04124681 | 5936 | &rp, sizeof(rp)); |
a5c29683 | 5937 | |
a664b5bc | 5938 | mgmt_pending_remove(cmd); |
a5c29683 JH |
5939 | |
5940 | return err; | |
5941 | } | |
5942 | ||
744cf19e | 5943 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 5944 | u8 link_type, u8 addr_type, u8 status) |
a5c29683 | 5945 | { |
272d90df | 5946 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
04124681 | 5947 | status, MGMT_OP_USER_CONFIRM_REPLY); |
a5c29683 JH |
5948 | } |
5949 | ||
272d90df | 5950 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 5951 | u8 link_type, u8 addr_type, u8 status) |
a5c29683 | 5952 | { |
272d90df | 5953 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
8fc9ced3 GP |
5954 | status, |
5955 | MGMT_OP_USER_CONFIRM_NEG_REPLY); | |
a5c29683 | 5956 | } |
2a611692 | 5957 | |
604086b7 | 5958 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 5959 | u8 link_type, u8 addr_type, u8 status) |
604086b7 | 5960 | { |
272d90df | 5961 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
04124681 | 5962 | status, MGMT_OP_USER_PASSKEY_REPLY); |
604086b7 BG |
5963 | } |
5964 | ||
272d90df | 5965 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 5966 | u8 link_type, u8 addr_type, u8 status) |
604086b7 | 5967 | { |
272d90df | 5968 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
8fc9ced3 GP |
5969 | status, |
5970 | MGMT_OP_USER_PASSKEY_NEG_REPLY); | |
604086b7 BG |
5971 | } |
5972 | ||
92a25256 JH |
5973 | int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, |
5974 | u8 link_type, u8 addr_type, u32 passkey, | |
5975 | u8 entered) | |
5976 | { | |
5977 | struct mgmt_ev_passkey_notify ev; | |
5978 | ||
5979 | BT_DBG("%s", hdev->name); | |
5980 | ||
5981 | bacpy(&ev.addr.bdaddr, bdaddr); | |
5982 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
5983 | ev.passkey = __cpu_to_le32(passkey); | |
5984 | ev.entered = entered; | |
5985 | ||
5986 | return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL); | |
5987 | } | |
5988 | ||
e546099c MH |
5989 | void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
5990 | u8 addr_type, u8 status) | |
2a611692 JH |
5991 | { |
5992 | struct mgmt_ev_auth_failed ev; | |
5993 | ||
bab73cb6 | 5994 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 5995 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
ca69b795 | 5996 | ev.status = mgmt_status(status); |
2a611692 | 5997 | |
e546099c | 5998 | mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL); |
2a611692 | 5999 | } |
b312b161 | 6000 | |
464996ae | 6001 | void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) |
33ef95ed JH |
6002 | { |
6003 | struct cmd_lookup match = { NULL, hdev }; | |
464996ae | 6004 | bool changed; |
33ef95ed JH |
6005 | |
6006 | if (status) { | |
6007 | u8 mgmt_err = mgmt_status(status); | |
6008 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, | |
04124681 | 6009 | cmd_status_rsp, &mgmt_err); |
464996ae | 6010 | return; |
33ef95ed JH |
6011 | } |
6012 | ||
464996ae MH |
6013 | if (test_bit(HCI_AUTH, &hdev->flags)) |
6014 | changed = !test_and_set_bit(HCI_LINK_SECURITY, | |
6015 | &hdev->dev_flags); | |
6016 | else | |
6017 | changed = test_and_clear_bit(HCI_LINK_SECURITY, | |
6018 | &hdev->dev_flags); | |
47990ea0 | 6019 | |
33ef95ed | 6020 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp, |
04124681 | 6021 | &match); |
33ef95ed | 6022 | |
47990ea0 | 6023 | if (changed) |
464996ae | 6024 | new_settings(hdev, match.sk); |
33ef95ed JH |
6025 | |
6026 | if (match.sk) | |
6027 | sock_put(match.sk); | |
33ef95ed JH |
6028 | } |
6029 | ||
890ea898 | 6030 | static void clear_eir(struct hci_request *req) |
cacaf52f | 6031 | { |
890ea898 | 6032 | struct hci_dev *hdev = req->hdev; |
cacaf52f JH |
6033 | struct hci_cp_write_eir cp; |
6034 | ||
976eb20e | 6035 | if (!lmp_ext_inq_capable(hdev)) |
890ea898 | 6036 | return; |
cacaf52f | 6037 | |
c80da27e JH |
6038 | memset(hdev->eir, 0, sizeof(hdev->eir)); |
6039 | ||
cacaf52f JH |
6040 | memset(&cp, 0, sizeof(cp)); |
6041 | ||
890ea898 | 6042 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); |
cacaf52f JH |
6043 | } |
6044 | ||
3e248560 | 6045 | void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) |
ed2c4ee3 JH |
6046 | { |
6047 | struct cmd_lookup match = { NULL, hdev }; | |
890ea898 | 6048 | struct hci_request req; |
c0ecddc2 | 6049 | bool changed = false; |
ed2c4ee3 JH |
6050 | |
6051 | if (status) { | |
6052 | u8 mgmt_err = mgmt_status(status); | |
c0ecddc2 JH |
6053 | |
6054 | if (enable && test_and_clear_bit(HCI_SSP_ENABLED, | |
9ecb3e24 MH |
6055 | &hdev->dev_flags)) { |
6056 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
3e248560 | 6057 | new_settings(hdev, NULL); |
9ecb3e24 | 6058 | } |
c0ecddc2 | 6059 | |
04124681 GP |
6060 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp, |
6061 | &mgmt_err); | |
3e248560 | 6062 | return; |
c0ecddc2 JH |
6063 | } |
6064 | ||
6065 | if (enable) { | |
9ecb3e24 | 6066 | changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); |
c0ecddc2 | 6067 | } else { |
9ecb3e24 MH |
6068 | changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); |
6069 | if (!changed) | |
6070 | changed = test_and_clear_bit(HCI_HS_ENABLED, | |
6071 | &hdev->dev_flags); | |
6072 | else | |
6073 | clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); | |
ed2c4ee3 JH |
6074 | } |
6075 | ||
6076 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match); | |
6077 | ||
c0ecddc2 | 6078 | if (changed) |
3e248560 | 6079 | new_settings(hdev, match.sk); |
ed2c4ee3 | 6080 | |
5fc6ebb1 | 6081 | if (match.sk) |
ed2c4ee3 JH |
6082 | sock_put(match.sk); |
6083 | ||
890ea898 JH |
6084 | hci_req_init(&req, hdev); |
6085 | ||
3769972b JH |
6086 | if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { |
6087 | if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags)) | |
6088 | hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE, | |
6089 | sizeof(enable), &enable); | |
890ea898 | 6090 | update_eir(&req); |
3769972b | 6091 | } else { |
890ea898 | 6092 | clear_eir(&req); |
3769972b | 6093 | } |
890ea898 JH |
6094 | |
6095 | hci_req_run(&req, NULL); | |
ed2c4ee3 JH |
6096 | } |
6097 | ||
eac83dc6 MH |
6098 | void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) |
6099 | { | |
6100 | struct cmd_lookup match = { NULL, hdev }; | |
6101 | bool changed = false; | |
6102 | ||
6103 | if (status) { | |
6104 | u8 mgmt_err = mgmt_status(status); | |
6105 | ||
0ab04a9c MH |
6106 | if (enable) { |
6107 | if (test_and_clear_bit(HCI_SC_ENABLED, | |
6108 | &hdev->dev_flags)) | |
6109 | new_settings(hdev, NULL); | |
6110 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); | |
6111 | } | |
eac83dc6 MH |
6112 | |
6113 | mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev, | |
6114 | cmd_status_rsp, &mgmt_err); | |
6115 | return; | |
6116 | } | |
6117 | ||
0ab04a9c | 6118 | if (enable) { |
eac83dc6 | 6119 | changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags); |
0ab04a9c | 6120 | } else { |
eac83dc6 | 6121 | changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags); |
0ab04a9c MH |
6122 | clear_bit(HCI_SC_ONLY, &hdev->dev_flags); |
6123 | } | |
eac83dc6 MH |
6124 | |
6125 | mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev, | |
6126 | settings_rsp, &match); | |
6127 | ||
6128 | if (changed) | |
6129 | new_settings(hdev, match.sk); | |
6130 | ||
6131 | if (match.sk) | |
6132 | sock_put(match.sk); | |
6133 | } | |
6134 | ||
92da6097 | 6135 | static void sk_lookup(struct pending_cmd *cmd, void *data) |
90e70454 JH |
6136 | { |
6137 | struct cmd_lookup *match = data; | |
6138 | ||
90e70454 JH |
6139 | if (match->sk == NULL) { |
6140 | match->sk = cmd->sk; | |
6141 | sock_hold(match->sk); | |
6142 | } | |
90e70454 JH |
6143 | } |
6144 | ||
4e1b0245 MH |
6145 | void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
6146 | u8 status) | |
7f9a903c | 6147 | { |
90e70454 | 6148 | struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; |
7f9a903c | 6149 | |
92da6097 JH |
6150 | mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match); |
6151 | mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match); | |
6152 | mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match); | |
90e70454 JH |
6153 | |
6154 | if (!status) | |
4e1b0245 MH |
6155 | mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3, |
6156 | NULL); | |
90e70454 JH |
6157 | |
6158 | if (match.sk) | |
6159 | sock_put(match.sk); | |
7f9a903c MH |
6160 | } |
6161 | ||
7667da34 | 6162 | void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) |
b312b161 | 6163 | { |
b312b161 | 6164 | struct mgmt_cp_set_local_name ev; |
13928971 | 6165 | struct pending_cmd *cmd; |
28cc7bde | 6166 | |
13928971 | 6167 | if (status) |
7667da34 | 6168 | return; |
b312b161 JH |
6169 | |
6170 | memset(&ev, 0, sizeof(ev)); | |
6171 | memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); | |
28cc7bde | 6172 | memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH); |
b312b161 | 6173 | |
2e58ef3e | 6174 | cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); |
13928971 JH |
6175 | if (!cmd) { |
6176 | memcpy(hdev->dev_name, name, sizeof(hdev->dev_name)); | |
28cc7bde | 6177 | |
13928971 JH |
6178 | /* If this is a HCI command related to powering on the |
6179 | * HCI dev don't send any mgmt signals. | |
6180 | */ | |
6181 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) | |
7667da34 | 6182 | return; |
890ea898 | 6183 | } |
b312b161 | 6184 | |
7667da34 MH |
6185 | mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), |
6186 | cmd ? cmd->sk : NULL); | |
b312b161 | 6187 | } |
c35938b2 | 6188 | |
4d2d2796 MH |
6189 | void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, |
6190 | u8 *randomizer192, u8 *hash256, | |
6191 | u8 *randomizer256, u8 status) | |
c35938b2 SJ |
6192 | { |
6193 | struct pending_cmd *cmd; | |
c35938b2 | 6194 | |
744cf19e | 6195 | BT_DBG("%s status %u", hdev->name, status); |
c35938b2 | 6196 | |
2e58ef3e | 6197 | cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev); |
c35938b2 | 6198 | if (!cmd) |
3edaf092 | 6199 | return; |
c35938b2 SJ |
6200 | |
6201 | if (status) { | |
3edaf092 MH |
6202 | cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
6203 | mgmt_status(status)); | |
c35938b2 | 6204 | } else { |
4d2d2796 MH |
6205 | if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags) && |
6206 | hash256 && randomizer256) { | |
6207 | struct mgmt_rp_read_local_oob_ext_data rp; | |
6208 | ||
6209 | memcpy(rp.hash192, hash192, sizeof(rp.hash192)); | |
6210 | memcpy(rp.randomizer192, randomizer192, | |
6211 | sizeof(rp.randomizer192)); | |
c35938b2 | 6212 | |
4d2d2796 MH |
6213 | memcpy(rp.hash256, hash256, sizeof(rp.hash256)); |
6214 | memcpy(rp.randomizer256, randomizer256, | |
6215 | sizeof(rp.randomizer256)); | |
c35938b2 | 6216 | |
4d2d2796 MH |
6217 | cmd_complete(cmd->sk, hdev->id, |
6218 | MGMT_OP_READ_LOCAL_OOB_DATA, 0, | |
6219 | &rp, sizeof(rp)); | |
6220 | } else { | |
6221 | struct mgmt_rp_read_local_oob_data rp; | |
6222 | ||
6223 | memcpy(rp.hash, hash192, sizeof(rp.hash)); | |
6224 | memcpy(rp.randomizer, randomizer192, | |
6225 | sizeof(rp.randomizer)); | |
6226 | ||
6227 | cmd_complete(cmd->sk, hdev->id, | |
6228 | MGMT_OP_READ_LOCAL_OOB_DATA, 0, | |
6229 | &rp, sizeof(rp)); | |
6230 | } | |
c35938b2 SJ |
6231 | } |
6232 | ||
6233 | mgmt_pending_remove(cmd); | |
c35938b2 | 6234 | } |
e17acd40 | 6235 | |
901801b9 | 6236 | void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
73cf71d9 JH |
6237 | u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, |
6238 | u8 ssp, u8 *eir, u16 eir_len, u8 *scan_rsp, | |
5d2e9fad | 6239 | u8 scan_rsp_len) |
e17acd40 | 6240 | { |
e319d2e7 JH |
6241 | char buf[512]; |
6242 | struct mgmt_ev_device_found *ev = (void *) buf; | |
5cedbb8d | 6243 | struct smp_irk *irk; |
1dc06093 | 6244 | size_t ev_size; |
e17acd40 | 6245 | |
12602d0c | 6246 | if (!hci_discovery_active(hdev)) |
901801b9 | 6247 | return; |
12602d0c | 6248 | |
5d2e9fad JH |
6249 | /* Make sure that the buffer is big enough. The 5 extra bytes |
6250 | * are for the potential CoD field. | |
6251 | */ | |
6252 | if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf)) | |
901801b9 | 6253 | return; |
7d262f86 | 6254 | |
1dc06093 JH |
6255 | memset(buf, 0, sizeof(buf)); |
6256 | ||
5cedbb8d JH |
6257 | irk = hci_get_irk(hdev, bdaddr, addr_type); |
6258 | if (irk) { | |
6259 | bacpy(&ev->addr.bdaddr, &irk->bdaddr); | |
6260 | ev->addr.type = link_to_bdaddr(link_type, irk->addr_type); | |
6261 | } else { | |
6262 | bacpy(&ev->addr.bdaddr, bdaddr); | |
6263 | ev->addr.type = link_to_bdaddr(link_type, addr_type); | |
6264 | } | |
6265 | ||
e319d2e7 | 6266 | ev->rssi = rssi; |
9a395a80 | 6267 | if (cfm_name) |
dcf4adbf | 6268 | ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME); |
388fc8fa | 6269 | if (!ssp) |
dcf4adbf | 6270 | ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING); |
e17acd40 | 6271 | |
1dc06093 | 6272 | if (eir_len > 0) |
e319d2e7 | 6273 | memcpy(ev->eir, eir, eir_len); |
e17acd40 | 6274 | |
1dc06093 JH |
6275 | if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV)) |
6276 | eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV, | |
04124681 | 6277 | dev_class, 3); |
1dc06093 | 6278 | |
5d2e9fad JH |
6279 | if (scan_rsp_len > 0) |
6280 | memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len); | |
6281 | ||
6282 | ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len); | |
6283 | ev_size = sizeof(*ev) + eir_len + scan_rsp_len; | |
f8523598 | 6284 | |
901801b9 | 6285 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); |
e17acd40 | 6286 | } |
a88a9652 | 6287 | |
9cf12aee MH |
6288 | void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
6289 | u8 addr_type, s8 rssi, u8 *name, u8 name_len) | |
a88a9652 | 6290 | { |
b644ba33 JH |
6291 | struct mgmt_ev_device_found *ev; |
6292 | char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2]; | |
6293 | u16 eir_len; | |
a88a9652 | 6294 | |
b644ba33 | 6295 | ev = (struct mgmt_ev_device_found *) buf; |
a88a9652 | 6296 | |
b644ba33 JH |
6297 | memset(buf, 0, sizeof(buf)); |
6298 | ||
6299 | bacpy(&ev->addr.bdaddr, bdaddr); | |
57c1477c | 6300 | ev->addr.type = link_to_bdaddr(link_type, addr_type); |
b644ba33 JH |
6301 | ev->rssi = rssi; |
6302 | ||
6303 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name, | |
04124681 | 6304 | name_len); |
b644ba33 | 6305 | |
eb55ef07 | 6306 | ev->eir_len = cpu_to_le16(eir_len); |
a88a9652 | 6307 | |
9cf12aee | 6308 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL); |
a88a9652 | 6309 | } |
314b2381 | 6310 | |
2f1e063b | 6311 | void mgmt_discovering(struct hci_dev *hdev, u8 discovering) |
314b2381 | 6312 | { |
f963e8e9 | 6313 | struct mgmt_ev_discovering ev; |
164a6e78 JH |
6314 | struct pending_cmd *cmd; |
6315 | ||
343fb145 AG |
6316 | BT_DBG("%s discovering %u", hdev->name, discovering); |
6317 | ||
164a6e78 | 6318 | if (discovering) |
2e58ef3e | 6319 | cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); |
164a6e78 | 6320 | else |
2e58ef3e | 6321 | cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); |
164a6e78 JH |
6322 | |
6323 | if (cmd != NULL) { | |
f808e166 JH |
6324 | u8 type = hdev->discovery.type; |
6325 | ||
04124681 GP |
6326 | cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type, |
6327 | sizeof(type)); | |
164a6e78 JH |
6328 | mgmt_pending_remove(cmd); |
6329 | } | |
6330 | ||
f963e8e9 JH |
6331 | memset(&ev, 0, sizeof(ev)); |
6332 | ev.type = hdev->discovery.type; | |
6333 | ev.discovering = discovering; | |
6334 | ||
2f1e063b | 6335 | mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL); |
314b2381 | 6336 | } |
5e762444 | 6337 | |
88c1fe4b | 6338 | int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) |
5e762444 AJ |
6339 | { |
6340 | struct pending_cmd *cmd; | |
6341 | struct mgmt_ev_device_blocked ev; | |
6342 | ||
2e58ef3e | 6343 | cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev); |
5e762444 | 6344 | |
88c1fe4b JH |
6345 | bacpy(&ev.addr.bdaddr, bdaddr); |
6346 | ev.addr.type = type; | |
5e762444 | 6347 | |
744cf19e | 6348 | return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev), |
04124681 | 6349 | cmd ? cmd->sk : NULL); |
5e762444 AJ |
6350 | } |
6351 | ||
88c1fe4b | 6352 | int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) |
5e762444 AJ |
6353 | { |
6354 | struct pending_cmd *cmd; | |
6355 | struct mgmt_ev_device_unblocked ev; | |
6356 | ||
2e58ef3e | 6357 | cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev); |
5e762444 | 6358 | |
88c1fe4b JH |
6359 | bacpy(&ev.addr.bdaddr, bdaddr); |
6360 | ev.addr.type = type; | |
5e762444 | 6361 | |
744cf19e | 6362 | return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev), |
04124681 | 6363 | cmd ? cmd->sk : NULL); |
5e762444 | 6364 | } |
5976e608 MH |
6365 | |
6366 | static void adv_enable_complete(struct hci_dev *hdev, u8 status) | |
6367 | { | |
6368 | BT_DBG("%s status %u", hdev->name, status); | |
6369 | ||
6370 | /* Clear the advertising mgmt setting if we failed to re-enable it */ | |
6371 | if (status) { | |
6372 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
a6d811ed | 6373 | new_settings(hdev, NULL); |
5976e608 MH |
6374 | } |
6375 | } | |
6376 | ||
6377 | void mgmt_reenable_advertising(struct hci_dev *hdev) | |
6378 | { | |
6379 | struct hci_request req; | |
6380 | ||
b145edcd | 6381 | if (hci_conn_num(hdev, LE_LINK) > 0) |
5976e608 MH |
6382 | return; |
6383 | ||
6384 | if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags)) | |
6385 | return; | |
6386 | ||
6387 | hci_req_init(&req, hdev); | |
6388 | enable_advertising(&req); | |
6389 | ||
6390 | /* If this fails we have no option but to let user space know | |
6391 | * that we've disabled advertising. | |
6392 | */ | |
6393 | if (hci_req_run(&req, adv_enable_complete) < 0) { | |
6394 | clear_bit(HCI_ADVERTISING, &hdev->dev_flags); | |
a6d811ed | 6395 | new_settings(hdev, NULL); |
5976e608 MH |
6396 | } |
6397 | } |