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0381101f JH |
1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux | |
ea585ab5 | 3 | |
0381101f | 4 | Copyright (C) 2010 Nokia Corporation |
ea585ab5 | 5 | Copyright (C) 2011-2012 Intel Corporation |
0381101f JH |
6 | |
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
19 | ||
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
22 | SOFTWARE IS DISCLAIMED. | |
23 | */ | |
24 | ||
25 | /* Bluetooth HCI Management interface */ | |
26 | ||
3a9a231d | 27 | #include <linux/module.h> |
0381101f JH |
28 | #include <asm/unaligned.h> |
29 | ||
30 | #include <net/bluetooth/bluetooth.h> | |
31 | #include <net/bluetooth/hci_core.h> | |
7129069e | 32 | #include <net/bluetooth/hci_sock.h> |
4bc58f51 | 33 | #include <net/bluetooth/l2cap.h> |
0381101f | 34 | #include <net/bluetooth/mgmt.h> |
ac4b7236 | 35 | |
0857dd3b | 36 | #include "hci_request.h" |
ac4b7236 | 37 | #include "smp.h" |
0381101f | 38 | |
2da9c55c | 39 | #define MGMT_VERSION 1 |
beb1c21b | 40 | #define MGMT_REVISION 9 |
02d98129 | 41 | |
e70bb2e8 JH |
42 | static const u16 mgmt_commands[] = { |
43 | MGMT_OP_READ_INDEX_LIST, | |
44 | MGMT_OP_READ_INFO, | |
45 | MGMT_OP_SET_POWERED, | |
46 | MGMT_OP_SET_DISCOVERABLE, | |
47 | MGMT_OP_SET_CONNECTABLE, | |
48 | MGMT_OP_SET_FAST_CONNECTABLE, | |
b2939475 | 49 | MGMT_OP_SET_BONDABLE, |
e70bb2e8 JH |
50 | MGMT_OP_SET_LINK_SECURITY, |
51 | MGMT_OP_SET_SSP, | |
52 | MGMT_OP_SET_HS, | |
53 | MGMT_OP_SET_LE, | |
54 | MGMT_OP_SET_DEV_CLASS, | |
55 | MGMT_OP_SET_LOCAL_NAME, | |
56 | MGMT_OP_ADD_UUID, | |
57 | MGMT_OP_REMOVE_UUID, | |
58 | MGMT_OP_LOAD_LINK_KEYS, | |
59 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
60 | MGMT_OP_DISCONNECT, | |
61 | MGMT_OP_GET_CONNECTIONS, | |
62 | MGMT_OP_PIN_CODE_REPLY, | |
63 | MGMT_OP_PIN_CODE_NEG_REPLY, | |
64 | MGMT_OP_SET_IO_CAPABILITY, | |
65 | MGMT_OP_PAIR_DEVICE, | |
66 | MGMT_OP_CANCEL_PAIR_DEVICE, | |
67 | MGMT_OP_UNPAIR_DEVICE, | |
68 | MGMT_OP_USER_CONFIRM_REPLY, | |
69 | MGMT_OP_USER_CONFIRM_NEG_REPLY, | |
70 | MGMT_OP_USER_PASSKEY_REPLY, | |
71 | MGMT_OP_USER_PASSKEY_NEG_REPLY, | |
72 | MGMT_OP_READ_LOCAL_OOB_DATA, | |
73 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
74 | MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
75 | MGMT_OP_START_DISCOVERY, | |
76 | MGMT_OP_STOP_DISCOVERY, | |
77 | MGMT_OP_CONFIRM_NAME, | |
78 | MGMT_OP_BLOCK_DEVICE, | |
79 | MGMT_OP_UNBLOCK_DEVICE, | |
cdbaccca | 80 | MGMT_OP_SET_DEVICE_ID, |
4375f103 | 81 | MGMT_OP_SET_ADVERTISING, |
0663ca2a | 82 | MGMT_OP_SET_BREDR, |
d13eafce | 83 | MGMT_OP_SET_STATIC_ADDRESS, |
7f72134e | 84 | MGMT_OP_SET_SCAN_PARAMS, |
e98d2ce2 | 85 | MGMT_OP_SET_SECURE_CONN, |
4e39ac81 | 86 | MGMT_OP_SET_DEBUG_KEYS, |
62b04cd1 | 87 | MGMT_OP_SET_PRIVACY, |
41edf160 | 88 | MGMT_OP_LOAD_IRKS, |
dd983808 | 89 | MGMT_OP_GET_CONN_INFO, |
95868426 | 90 | MGMT_OP_GET_CLOCK_INFO, |
2faade53 MH |
91 | MGMT_OP_ADD_DEVICE, |
92 | MGMT_OP_REMOVE_DEVICE, | |
a26f3dcf | 93 | MGMT_OP_LOAD_CONN_PARAM, |
73d1df2a | 94 | MGMT_OP_READ_UNCONF_INDEX_LIST, |
9fc3bfb6 | 95 | MGMT_OP_READ_CONFIG_INFO, |
dbece37a | 96 | MGMT_OP_SET_EXTERNAL_CONFIG, |
9713c17b | 97 | MGMT_OP_SET_PUBLIC_ADDRESS, |
66ea9427 | 98 | MGMT_OP_START_SERVICE_DISCOVERY, |
e70bb2e8 JH |
99 | }; |
100 | ||
101 | static const u16 mgmt_events[] = { | |
102 | MGMT_EV_CONTROLLER_ERROR, | |
103 | MGMT_EV_INDEX_ADDED, | |
104 | MGMT_EV_INDEX_REMOVED, | |
105 | MGMT_EV_NEW_SETTINGS, | |
106 | MGMT_EV_CLASS_OF_DEV_CHANGED, | |
107 | MGMT_EV_LOCAL_NAME_CHANGED, | |
108 | MGMT_EV_NEW_LINK_KEY, | |
109 | MGMT_EV_NEW_LONG_TERM_KEY, | |
110 | MGMT_EV_DEVICE_CONNECTED, | |
111 | MGMT_EV_DEVICE_DISCONNECTED, | |
112 | MGMT_EV_CONNECT_FAILED, | |
113 | MGMT_EV_PIN_CODE_REQUEST, | |
114 | MGMT_EV_USER_CONFIRM_REQUEST, | |
115 | MGMT_EV_USER_PASSKEY_REQUEST, | |
116 | MGMT_EV_AUTH_FAILED, | |
117 | MGMT_EV_DEVICE_FOUND, | |
118 | MGMT_EV_DISCOVERING, | |
119 | MGMT_EV_DEVICE_BLOCKED, | |
120 | MGMT_EV_DEVICE_UNBLOCKED, | |
121 | MGMT_EV_DEVICE_UNPAIRED, | |
92a25256 | 122 | MGMT_EV_PASSKEY_NOTIFY, |
1b60ef21 | 123 | MGMT_EV_NEW_IRK, |
7ee4ea36 | 124 | MGMT_EV_NEW_CSRK, |
8afef092 MH |
125 | MGMT_EV_DEVICE_ADDED, |
126 | MGMT_EV_DEVICE_REMOVED, | |
ffb5a827 | 127 | MGMT_EV_NEW_CONN_PARAM, |
0602a8ad | 128 | MGMT_EV_UNCONF_INDEX_ADDED, |
edd3896b | 129 | MGMT_EV_UNCONF_INDEX_REMOVED, |
f4537c04 | 130 | MGMT_EV_NEW_CONFIG_OPTIONS, |
e70bb2e8 JH |
131 | }; |
132 | ||
17b02e62 | 133 | #define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000) |
7d78525d | 134 | |
d25b78e2 JH |
135 | #define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \ |
136 | "\x00\x00\x00\x00\x00\x00\x00\x00" | |
137 | ||
3b0602cd | 138 | struct mgmt_pending_cmd { |
eec8d2bc | 139 | struct list_head list; |
fc2f4b13 | 140 | u16 opcode; |
eec8d2bc | 141 | int index; |
c68fb7ff | 142 | void *param; |
323b0b88 | 143 | size_t param_len; |
eec8d2bc | 144 | struct sock *sk; |
e9a416b5 | 145 | void *user_data; |
3b0602cd | 146 | int (*cmd_complete)(struct mgmt_pending_cmd *cmd, u8 status); |
eec8d2bc JH |
147 | }; |
148 | ||
ca69b795 JH |
149 | /* HCI to MGMT error code conversion table */ |
150 | static u8 mgmt_status_table[] = { | |
151 | MGMT_STATUS_SUCCESS, | |
152 | MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */ | |
153 | MGMT_STATUS_NOT_CONNECTED, /* No Connection */ | |
154 | MGMT_STATUS_FAILED, /* Hardware Failure */ | |
155 | MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */ | |
156 | MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */ | |
eadd663a | 157 | MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */ |
ca69b795 JH |
158 | MGMT_STATUS_NO_RESOURCES, /* Memory Full */ |
159 | MGMT_STATUS_TIMEOUT, /* Connection Timeout */ | |
160 | MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */ | |
161 | MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */ | |
162 | MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */ | |
163 | MGMT_STATUS_BUSY, /* Command Disallowed */ | |
164 | MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */ | |
165 | MGMT_STATUS_REJECTED, /* Rejected Security */ | |
166 | MGMT_STATUS_REJECTED, /* Rejected Personal */ | |
167 | MGMT_STATUS_TIMEOUT, /* Host Timeout */ | |
168 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */ | |
169 | MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */ | |
170 | MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */ | |
171 | MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */ | |
172 | MGMT_STATUS_DISCONNECTED, /* OE Power Off */ | |
173 | MGMT_STATUS_DISCONNECTED, /* Connection Terminated */ | |
174 | MGMT_STATUS_BUSY, /* Repeated Attempts */ | |
175 | MGMT_STATUS_REJECTED, /* Pairing Not Allowed */ | |
176 | MGMT_STATUS_FAILED, /* Unknown LMP PDU */ | |
177 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */ | |
178 | MGMT_STATUS_REJECTED, /* SCO Offset Rejected */ | |
179 | MGMT_STATUS_REJECTED, /* SCO Interval Rejected */ | |
180 | MGMT_STATUS_REJECTED, /* Air Mode Rejected */ | |
181 | MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */ | |
182 | MGMT_STATUS_FAILED, /* Unspecified Error */ | |
183 | MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */ | |
184 | MGMT_STATUS_FAILED, /* Role Change Not Allowed */ | |
185 | MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */ | |
186 | MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */ | |
187 | MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */ | |
188 | MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */ | |
189 | MGMT_STATUS_FAILED, /* Unit Link Key Used */ | |
190 | MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */ | |
191 | MGMT_STATUS_TIMEOUT, /* Instant Passed */ | |
192 | MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */ | |
193 | MGMT_STATUS_FAILED, /* Transaction Collision */ | |
194 | MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */ | |
195 | MGMT_STATUS_REJECTED, /* QoS Rejected */ | |
196 | MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */ | |
197 | MGMT_STATUS_REJECTED, /* Insufficient Security */ | |
198 | MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */ | |
199 | MGMT_STATUS_BUSY, /* Role Switch Pending */ | |
200 | MGMT_STATUS_FAILED, /* Slot Violation */ | |
201 | MGMT_STATUS_FAILED, /* Role Switch Failed */ | |
202 | MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */ | |
203 | MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */ | |
204 | MGMT_STATUS_BUSY, /* Host Busy Pairing */ | |
205 | MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */ | |
206 | MGMT_STATUS_BUSY, /* Controller Busy */ | |
207 | MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */ | |
208 | MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */ | |
209 | MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */ | |
210 | MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */ | |
211 | MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */ | |
212 | }; | |
213 | ||
214 | static u8 mgmt_status(u8 hci_status) | |
215 | { | |
216 | if (hci_status < ARRAY_SIZE(mgmt_status_table)) | |
217 | return mgmt_status_table[hci_status]; | |
218 | ||
219 | return MGMT_STATUS_FAILED; | |
220 | } | |
221 | ||
7a00ff44 JH |
222 | static int mgmt_send_event(u16 event, struct hci_dev *hdev, |
223 | unsigned short channel, void *data, u16 data_len, | |
224 | struct sock *skip_sk) | |
04c60f05 MH |
225 | { |
226 | struct sk_buff *skb; | |
227 | struct mgmt_hdr *hdr; | |
228 | ||
229 | skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL); | |
230 | if (!skb) | |
231 | return -ENOMEM; | |
232 | ||
233 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
234 | hdr->opcode = cpu_to_le16(event); | |
235 | if (hdev) | |
236 | hdr->index = cpu_to_le16(hdev->id); | |
237 | else | |
238 | hdr->index = cpu_to_le16(MGMT_INDEX_NONE); | |
239 | hdr->len = cpu_to_le16(data_len); | |
240 | ||
241 | if (data) | |
242 | memcpy(skb_put(skb, data_len), data, data_len); | |
243 | ||
244 | /* Time stamp */ | |
245 | __net_timestamp(skb); | |
246 | ||
7a00ff44 | 247 | hci_send_to_channel(channel, skb, skip_sk); |
04c60f05 MH |
248 | kfree_skb(skb); |
249 | ||
250 | return 0; | |
251 | } | |
252 | ||
7a00ff44 JH |
253 | static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len, |
254 | struct sock *skip_sk) | |
255 | { | |
256 | return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len, | |
257 | skip_sk); | |
258 | } | |
259 | ||
a69e8375 | 260 | static int mgmt_cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) |
f7b64e69 JH |
261 | { |
262 | struct sk_buff *skb; | |
263 | struct mgmt_hdr *hdr; | |
264 | struct mgmt_ev_cmd_status *ev; | |
56b7d137 | 265 | int err; |
f7b64e69 | 266 | |
34eb525c | 267 | BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status); |
f7b64e69 | 268 | |
790eff44 | 269 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL); |
f7b64e69 JH |
270 | if (!skb) |
271 | return -ENOMEM; | |
272 | ||
273 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
274 | ||
dcf4adbf | 275 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS); |
4e51eae9 | 276 | hdr->index = cpu_to_le16(index); |
f7b64e69 JH |
277 | hdr->len = cpu_to_le16(sizeof(*ev)); |
278 | ||
279 | ev = (void *) skb_put(skb, sizeof(*ev)); | |
280 | ev->status = status; | |
eb55ef07 | 281 | ev->opcode = cpu_to_le16(cmd); |
f7b64e69 | 282 | |
56b7d137 GP |
283 | err = sock_queue_rcv_skb(sk, skb); |
284 | if (err < 0) | |
f7b64e69 JH |
285 | kfree_skb(skb); |
286 | ||
56b7d137 | 287 | return err; |
f7b64e69 JH |
288 | } |
289 | ||
2a1afb5a JH |
290 | static int mgmt_cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status, |
291 | void *rp, size_t rp_len) | |
02d98129 JH |
292 | { |
293 | struct sk_buff *skb; | |
294 | struct mgmt_hdr *hdr; | |
295 | struct mgmt_ev_cmd_complete *ev; | |
56b7d137 | 296 | int err; |
02d98129 JH |
297 | |
298 | BT_DBG("sock %p", sk); | |
299 | ||
790eff44 | 300 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL); |
02d98129 JH |
301 | if (!skb) |
302 | return -ENOMEM; | |
303 | ||
304 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
02d98129 | 305 | |
dcf4adbf | 306 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); |
4e51eae9 | 307 | hdr->index = cpu_to_le16(index); |
a38528f1 | 308 | hdr->len = cpu_to_le16(sizeof(*ev) + rp_len); |
02d98129 | 309 | |
a38528f1 | 310 | ev = (void *) skb_put(skb, sizeof(*ev) + rp_len); |
eb55ef07 | 311 | ev->opcode = cpu_to_le16(cmd); |
aee9b218 | 312 | ev->status = status; |
8020c16a SJ |
313 | |
314 | if (rp) | |
315 | memcpy(ev->data, rp, rp_len); | |
02d98129 | 316 | |
56b7d137 GP |
317 | err = sock_queue_rcv_skb(sk, skb); |
318 | if (err < 0) | |
02d98129 JH |
319 | kfree_skb(skb); |
320 | ||
e5f0e151 | 321 | return err; |
02d98129 JH |
322 | } |
323 | ||
04124681 GP |
324 | static int read_version(struct sock *sk, struct hci_dev *hdev, void *data, |
325 | u16 data_len) | |
a38528f1 JH |
326 | { |
327 | struct mgmt_rp_read_version rp; | |
328 | ||
329 | BT_DBG("sock %p", sk); | |
330 | ||
331 | rp.version = MGMT_VERSION; | |
dcf4adbf | 332 | rp.revision = cpu_to_le16(MGMT_REVISION); |
a38528f1 | 333 | |
2a1afb5a JH |
334 | return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, |
335 | &rp, sizeof(rp)); | |
a38528f1 JH |
336 | } |
337 | ||
04124681 GP |
338 | static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data, |
339 | u16 data_len) | |
e70bb2e8 JH |
340 | { |
341 | struct mgmt_rp_read_commands *rp; | |
eb55ef07 MH |
342 | const u16 num_commands = ARRAY_SIZE(mgmt_commands); |
343 | const u16 num_events = ARRAY_SIZE(mgmt_events); | |
2e3c35ea | 344 | __le16 *opcode; |
e70bb2e8 JH |
345 | size_t rp_size; |
346 | int i, err; | |
347 | ||
348 | BT_DBG("sock %p", sk); | |
349 | ||
350 | rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16)); | |
351 | ||
352 | rp = kmalloc(rp_size, GFP_KERNEL); | |
353 | if (!rp) | |
354 | return -ENOMEM; | |
355 | ||
dcf4adbf JP |
356 | rp->num_commands = cpu_to_le16(num_commands); |
357 | rp->num_events = cpu_to_le16(num_events); | |
e70bb2e8 JH |
358 | |
359 | for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++) | |
360 | put_unaligned_le16(mgmt_commands[i], opcode); | |
361 | ||
362 | for (i = 0; i < num_events; i++, opcode++) | |
363 | put_unaligned_le16(mgmt_events[i], opcode); | |
364 | ||
2a1afb5a JH |
365 | err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, |
366 | rp, rp_size); | |
e70bb2e8 JH |
367 | kfree(rp); |
368 | ||
369 | return err; | |
370 | } | |
371 | ||
04124681 GP |
372 | static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, |
373 | u16 data_len) | |
faba42eb | 374 | { |
faba42eb | 375 | struct mgmt_rp_read_index_list *rp; |
8035ded4 | 376 | struct hci_dev *d; |
a38528f1 | 377 | size_t rp_len; |
faba42eb | 378 | u16 count; |
476e44cb | 379 | int err; |
faba42eb JH |
380 | |
381 | BT_DBG("sock %p", sk); | |
382 | ||
383 | read_lock(&hci_dev_list_lock); | |
384 | ||
385 | count = 0; | |
bb4b2a9a | 386 | list_for_each_entry(d, &hci_dev_list, list) { |
73d1df2a | 387 | if (d->dev_type == HCI_BREDR && |
d7a5a11d | 388 | !hci_dev_test_flag(d, HCI_UNCONFIGURED)) |
1514b892 | 389 | count++; |
faba42eb JH |
390 | } |
391 | ||
a38528f1 JH |
392 | rp_len = sizeof(*rp) + (2 * count); |
393 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
394 | if (!rp) { | |
b2c60d42 | 395 | read_unlock(&hci_dev_list_lock); |
faba42eb | 396 | return -ENOMEM; |
b2c60d42 | 397 | } |
faba42eb | 398 | |
476e44cb | 399 | count = 0; |
8035ded4 | 400 | list_for_each_entry(d, &hci_dev_list, list) { |
d7a5a11d MH |
401 | if (hci_dev_test_flag(d, HCI_SETUP) || |
402 | hci_dev_test_flag(d, HCI_CONFIG) || | |
403 | hci_dev_test_flag(d, HCI_USER_CHANNEL)) | |
ab81cbf9 JH |
404 | continue; |
405 | ||
73d1df2a MH |
406 | /* Devices marked as raw-only are neither configured |
407 | * nor unconfigured controllers. | |
408 | */ | |
409 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) | |
fee746b0 MH |
410 | continue; |
411 | ||
73d1df2a | 412 | if (d->dev_type == HCI_BREDR && |
d7a5a11d | 413 | !hci_dev_test_flag(d, HCI_UNCONFIGURED)) { |
1514b892 MH |
414 | rp->index[count++] = cpu_to_le16(d->id); |
415 | BT_DBG("Added hci%u", d->id); | |
416 | } | |
faba42eb JH |
417 | } |
418 | ||
476e44cb JH |
419 | rp->num_controllers = cpu_to_le16(count); |
420 | rp_len = sizeof(*rp) + (2 * count); | |
421 | ||
faba42eb JH |
422 | read_unlock(&hci_dev_list_lock); |
423 | ||
2a1afb5a JH |
424 | err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, |
425 | 0, rp, rp_len); | |
faba42eb | 426 | |
a38528f1 JH |
427 | kfree(rp); |
428 | ||
429 | return err; | |
faba42eb JH |
430 | } |
431 | ||
73d1df2a MH |
432 | static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev, |
433 | void *data, u16 data_len) | |
434 | { | |
435 | struct mgmt_rp_read_unconf_index_list *rp; | |
436 | struct hci_dev *d; | |
437 | size_t rp_len; | |
438 | u16 count; | |
439 | int err; | |
440 | ||
441 | BT_DBG("sock %p", sk); | |
442 | ||
443 | read_lock(&hci_dev_list_lock); | |
444 | ||
445 | count = 0; | |
446 | list_for_each_entry(d, &hci_dev_list, list) { | |
447 | if (d->dev_type == HCI_BREDR && | |
d7a5a11d | 448 | hci_dev_test_flag(d, HCI_UNCONFIGURED)) |
73d1df2a MH |
449 | count++; |
450 | } | |
451 | ||
452 | rp_len = sizeof(*rp) + (2 * count); | |
453 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
454 | if (!rp) { | |
455 | read_unlock(&hci_dev_list_lock); | |
456 | return -ENOMEM; | |
457 | } | |
458 | ||
459 | count = 0; | |
460 | list_for_each_entry(d, &hci_dev_list, list) { | |
d7a5a11d MH |
461 | if (hci_dev_test_flag(d, HCI_SETUP) || |
462 | hci_dev_test_flag(d, HCI_CONFIG) || | |
463 | hci_dev_test_flag(d, HCI_USER_CHANNEL)) | |
73d1df2a MH |
464 | continue; |
465 | ||
466 | /* Devices marked as raw-only are neither configured | |
467 | * nor unconfigured controllers. | |
468 | */ | |
469 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks)) | |
470 | continue; | |
471 | ||
472 | if (d->dev_type == HCI_BREDR && | |
d7a5a11d | 473 | hci_dev_test_flag(d, HCI_UNCONFIGURED)) { |
73d1df2a MH |
474 | rp->index[count++] = cpu_to_le16(d->id); |
475 | BT_DBG("Added hci%u", d->id); | |
476 | } | |
477 | } | |
478 | ||
479 | rp->num_controllers = cpu_to_le16(count); | |
480 | rp_len = sizeof(*rp) + (2 * count); | |
481 | ||
482 | read_unlock(&hci_dev_list_lock); | |
483 | ||
2a1afb5a JH |
484 | err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, |
485 | MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len); | |
73d1df2a MH |
486 | |
487 | kfree(rp); | |
488 | ||
489 | return err; | |
490 | } | |
491 | ||
dbece37a MH |
492 | static bool is_configured(struct hci_dev *hdev) |
493 | { | |
494 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) && | |
d7a5a11d | 495 | !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED)) |
dbece37a MH |
496 | return false; |
497 | ||
498 | if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) && | |
499 | !bacmp(&hdev->public_addr, BDADDR_ANY)) | |
500 | return false; | |
501 | ||
502 | return true; | |
503 | } | |
504 | ||
89bc22d2 MH |
505 | static __le32 get_missing_options(struct hci_dev *hdev) |
506 | { | |
507 | u32 options = 0; | |
508 | ||
dbece37a | 509 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) && |
d7a5a11d | 510 | !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED)) |
eb1904f4 MH |
511 | options |= MGMT_OPTION_EXTERNAL_CONFIG; |
512 | ||
89bc22d2 MH |
513 | if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) && |
514 | !bacmp(&hdev->public_addr, BDADDR_ANY)) | |
515 | options |= MGMT_OPTION_PUBLIC_ADDRESS; | |
516 | ||
517 | return cpu_to_le32(options); | |
518 | } | |
519 | ||
f4537c04 MH |
520 | static int new_options(struct hci_dev *hdev, struct sock *skip) |
521 | { | |
522 | __le32 options = get_missing_options(hdev); | |
523 | ||
524 | return mgmt_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options, | |
525 | sizeof(options), skip); | |
526 | } | |
527 | ||
dbece37a MH |
528 | static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) |
529 | { | |
530 | __le32 options = get_missing_options(hdev); | |
531 | ||
2a1afb5a JH |
532 | return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options, |
533 | sizeof(options)); | |
dbece37a MH |
534 | } |
535 | ||
9fc3bfb6 MH |
536 | static int read_config_info(struct sock *sk, struct hci_dev *hdev, |
537 | void *data, u16 data_len) | |
538 | { | |
539 | struct mgmt_rp_read_config_info rp; | |
89bc22d2 | 540 | u32 options = 0; |
9fc3bfb6 MH |
541 | |
542 | BT_DBG("sock %p %s", sk, hdev->name); | |
543 | ||
544 | hci_dev_lock(hdev); | |
545 | ||
546 | memset(&rp, 0, sizeof(rp)); | |
547 | rp.manufacturer = cpu_to_le16(hdev->manufacturer); | |
89bc22d2 | 548 | |
eb1904f4 MH |
549 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks)) |
550 | options |= MGMT_OPTION_EXTERNAL_CONFIG; | |
551 | ||
9fc3bfb6 | 552 | if (hdev->set_bdaddr) |
89bc22d2 MH |
553 | options |= MGMT_OPTION_PUBLIC_ADDRESS; |
554 | ||
555 | rp.supported_options = cpu_to_le32(options); | |
556 | rp.missing_options = get_missing_options(hdev); | |
9fc3bfb6 MH |
557 | |
558 | hci_dev_unlock(hdev); | |
559 | ||
2a1afb5a JH |
560 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, |
561 | &rp, sizeof(rp)); | |
9fc3bfb6 MH |
562 | } |
563 | ||
69ab39ea JH |
564 | static u32 get_supported_settings(struct hci_dev *hdev) |
565 | { | |
566 | u32 settings = 0; | |
567 | ||
568 | settings |= MGMT_SETTING_POWERED; | |
b2939475 | 569 | settings |= MGMT_SETTING_BONDABLE; |
b1de97d8 | 570 | settings |= MGMT_SETTING_DEBUG_KEYS; |
3742abfc JH |
571 | settings |= MGMT_SETTING_CONNECTABLE; |
572 | settings |= MGMT_SETTING_DISCOVERABLE; | |
69ab39ea | 573 | |
ed3fa31f | 574 | if (lmp_bredr_capable(hdev)) { |
1a47aee8 JH |
575 | if (hdev->hci_ver >= BLUETOOTH_VER_1_2) |
576 | settings |= MGMT_SETTING_FAST_CONNECTABLE; | |
69ab39ea JH |
577 | settings |= MGMT_SETTING_BREDR; |
578 | settings |= MGMT_SETTING_LINK_SECURITY; | |
a82974c9 MH |
579 | |
580 | if (lmp_ssp_capable(hdev)) { | |
581 | settings |= MGMT_SETTING_SSP; | |
582 | settings |= MGMT_SETTING_HS; | |
583 | } | |
e98d2ce2 | 584 | |
05b3c3e7 | 585 | if (lmp_sc_capable(hdev)) |
e98d2ce2 | 586 | settings |= MGMT_SETTING_SECURE_CONN; |
848566b3 | 587 | } |
d7b7e796 | 588 | |
eeca6f89 | 589 | if (lmp_le_capable(hdev)) { |
9d42820f | 590 | settings |= MGMT_SETTING_LE; |
eeca6f89 | 591 | settings |= MGMT_SETTING_ADVERTISING; |
a3209694 | 592 | settings |= MGMT_SETTING_SECURE_CONN; |
0f4bd942 | 593 | settings |= MGMT_SETTING_PRIVACY; |
93690c22 | 594 | settings |= MGMT_SETTING_STATIC_ADDRESS; |
eeca6f89 | 595 | } |
69ab39ea | 596 | |
eb1904f4 MH |
597 | if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) || |
598 | hdev->set_bdaddr) | |
9fc3bfb6 MH |
599 | settings |= MGMT_SETTING_CONFIGURATION; |
600 | ||
69ab39ea JH |
601 | return settings; |
602 | } | |
603 | ||
604 | static u32 get_current_settings(struct hci_dev *hdev) | |
605 | { | |
606 | u32 settings = 0; | |
607 | ||
f1f0eb02 | 608 | if (hdev_is_powered(hdev)) |
f0d4b78a MH |
609 | settings |= MGMT_SETTING_POWERED; |
610 | ||
d7a5a11d | 611 | if (hci_dev_test_flag(hdev, HCI_CONNECTABLE)) |
69ab39ea JH |
612 | settings |= MGMT_SETTING_CONNECTABLE; |
613 | ||
d7a5a11d | 614 | if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) |
1a4d3c4b JH |
615 | settings |= MGMT_SETTING_FAST_CONNECTABLE; |
616 | ||
d7a5a11d | 617 | if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) |
69ab39ea JH |
618 | settings |= MGMT_SETTING_DISCOVERABLE; |
619 | ||
d7a5a11d | 620 | if (hci_dev_test_flag(hdev, HCI_BONDABLE)) |
b2939475 | 621 | settings |= MGMT_SETTING_BONDABLE; |
69ab39ea | 622 | |
d7a5a11d | 623 | if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
69ab39ea JH |
624 | settings |= MGMT_SETTING_BREDR; |
625 | ||
d7a5a11d | 626 | if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
69ab39ea JH |
627 | settings |= MGMT_SETTING_LE; |
628 | ||
d7a5a11d | 629 | if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) |
69ab39ea JH |
630 | settings |= MGMT_SETTING_LINK_SECURITY; |
631 | ||
d7a5a11d | 632 | if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
69ab39ea JH |
633 | settings |= MGMT_SETTING_SSP; |
634 | ||
d7a5a11d | 635 | if (hci_dev_test_flag(hdev, HCI_HS_ENABLED)) |
6d80dfd0 JH |
636 | settings |= MGMT_SETTING_HS; |
637 | ||
d7a5a11d | 638 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
eeca6f89 JH |
639 | settings |= MGMT_SETTING_ADVERTISING; |
640 | ||
d7a5a11d | 641 | if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) |
e98d2ce2 MH |
642 | settings |= MGMT_SETTING_SECURE_CONN; |
643 | ||
d7a5a11d | 644 | if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) |
b1de97d8 MH |
645 | settings |= MGMT_SETTING_DEBUG_KEYS; |
646 | ||
d7a5a11d | 647 | if (hci_dev_test_flag(hdev, HCI_PRIVACY)) |
0f4bd942 JH |
648 | settings |= MGMT_SETTING_PRIVACY; |
649 | ||
93690c22 MH |
650 | /* The current setting for static address has two purposes. The |
651 | * first is to indicate if the static address will be used and | |
652 | * the second is to indicate if it is actually set. | |
653 | * | |
654 | * This means if the static address is not configured, this flag | |
655 | * will never bet set. If the address is configured, then if the | |
656 | * address is actually used decides if the flag is set or not. | |
657 | * | |
658 | * For single mode LE only controllers and dual-mode controllers | |
659 | * with BR/EDR disabled, the existence of the static address will | |
660 | * be evaluated. | |
661 | */ | |
662 | if (test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags) || | |
d7a5a11d | 663 | !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) || |
93690c22 MH |
664 | !bacmp(&hdev->bdaddr, BDADDR_ANY)) { |
665 | if (bacmp(&hdev->static_addr, BDADDR_ANY)) | |
666 | settings |= MGMT_SETTING_STATIC_ADDRESS; | |
667 | } | |
668 | ||
69ab39ea JH |
669 | return settings; |
670 | } | |
671 | ||
ef580372 JH |
672 | #define PNP_INFO_SVCLASS_ID 0x1200 |
673 | ||
213202ed JH |
674 | static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) |
675 | { | |
676 | u8 *ptr = data, *uuids_start = NULL; | |
677 | struct bt_uuid *uuid; | |
678 | ||
679 | if (len < 4) | |
680 | return ptr; | |
681 | ||
682 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
683 | u16 uuid16; | |
684 | ||
685 | if (uuid->size != 16) | |
686 | continue; | |
687 | ||
688 | uuid16 = get_unaligned_le16(&uuid->uuid[12]); | |
689 | if (uuid16 < 0x1100) | |
690 | continue; | |
691 | ||
692 | if (uuid16 == PNP_INFO_SVCLASS_ID) | |
693 | continue; | |
694 | ||
695 | if (!uuids_start) { | |
696 | uuids_start = ptr; | |
697 | uuids_start[0] = 1; | |
698 | uuids_start[1] = EIR_UUID16_ALL; | |
699 | ptr += 2; | |
700 | } | |
701 | ||
702 | /* Stop if not enough space to put next UUID */ | |
703 | if ((ptr - data) + sizeof(u16) > len) { | |
704 | uuids_start[1] = EIR_UUID16_SOME; | |
705 | break; | |
706 | } | |
707 | ||
708 | *ptr++ = (uuid16 & 0x00ff); | |
709 | *ptr++ = (uuid16 & 0xff00) >> 8; | |
710 | uuids_start[0] += sizeof(uuid16); | |
711 | } | |
712 | ||
713 | return ptr; | |
714 | } | |
715 | ||
cdf1963f JH |
716 | static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) |
717 | { | |
718 | u8 *ptr = data, *uuids_start = NULL; | |
719 | struct bt_uuid *uuid; | |
720 | ||
721 | if (len < 6) | |
722 | return ptr; | |
723 | ||
724 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
725 | if (uuid->size != 32) | |
726 | continue; | |
727 | ||
728 | if (!uuids_start) { | |
729 | uuids_start = ptr; | |
730 | uuids_start[0] = 1; | |
731 | uuids_start[1] = EIR_UUID32_ALL; | |
732 | ptr += 2; | |
733 | } | |
734 | ||
735 | /* Stop if not enough space to put next UUID */ | |
736 | if ((ptr - data) + sizeof(u32) > len) { | |
737 | uuids_start[1] = EIR_UUID32_SOME; | |
738 | break; | |
739 | } | |
740 | ||
741 | memcpy(ptr, &uuid->uuid[12], sizeof(u32)); | |
742 | ptr += sizeof(u32); | |
743 | uuids_start[0] += sizeof(u32); | |
744 | } | |
745 | ||
746 | return ptr; | |
747 | } | |
748 | ||
c00d575b JH |
749 | static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) |
750 | { | |
751 | u8 *ptr = data, *uuids_start = NULL; | |
752 | struct bt_uuid *uuid; | |
753 | ||
754 | if (len < 18) | |
755 | return ptr; | |
756 | ||
757 | list_for_each_entry(uuid, &hdev->uuids, list) { | |
758 | if (uuid->size != 128) | |
759 | continue; | |
760 | ||
761 | if (!uuids_start) { | |
762 | uuids_start = ptr; | |
763 | uuids_start[0] = 1; | |
764 | uuids_start[1] = EIR_UUID128_ALL; | |
765 | ptr += 2; | |
766 | } | |
767 | ||
768 | /* Stop if not enough space to put next UUID */ | |
769 | if ((ptr - data) + 16 > len) { | |
770 | uuids_start[1] = EIR_UUID128_SOME; | |
771 | break; | |
772 | } | |
773 | ||
774 | memcpy(ptr, uuid->uuid, 16); | |
775 | ptr += 16; | |
776 | uuids_start[0] += 16; | |
777 | } | |
778 | ||
779 | return ptr; | |
780 | } | |
781 | ||
3b0602cd JH |
782 | static struct mgmt_pending_cmd *mgmt_pending_find(u16 opcode, |
783 | struct hci_dev *hdev) | |
eb2a8d20 | 784 | { |
3b0602cd | 785 | struct mgmt_pending_cmd *cmd; |
eb2a8d20 JH |
786 | |
787 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
788 | if (cmd->opcode == opcode) | |
789 | return cmd; | |
790 | } | |
791 | ||
792 | return NULL; | |
793 | } | |
794 | ||
3b0602cd JH |
795 | static struct mgmt_pending_cmd *mgmt_pending_find_data(u16 opcode, |
796 | struct hci_dev *hdev, | |
797 | const void *data) | |
95868426 | 798 | { |
3b0602cd | 799 | struct mgmt_pending_cmd *cmd; |
95868426 JH |
800 | |
801 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
802 | if (cmd->user_data != data) | |
803 | continue; | |
804 | if (cmd->opcode == opcode) | |
805 | return cmd; | |
806 | } | |
807 | ||
808 | return NULL; | |
809 | } | |
810 | ||
f14d8f64 MH |
811 | static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr) |
812 | { | |
7a5f4990 MH |
813 | u8 ad_len = 0; |
814 | size_t name_len; | |
815 | ||
816 | name_len = strlen(hdev->dev_name); | |
817 | if (name_len > 0) { | |
818 | size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2; | |
819 | ||
820 | if (name_len > max_len) { | |
821 | name_len = max_len; | |
822 | ptr[1] = EIR_NAME_SHORT; | |
823 | } else | |
824 | ptr[1] = EIR_NAME_COMPLETE; | |
825 | ||
826 | ptr[0] = name_len + 1; | |
827 | ||
828 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
829 | ||
830 | ad_len += (name_len + 2); | |
831 | ptr += (name_len + 2); | |
832 | } | |
833 | ||
834 | return ad_len; | |
f14d8f64 MH |
835 | } |
836 | ||
837 | static void update_scan_rsp_data(struct hci_request *req) | |
838 | { | |
839 | struct hci_dev *hdev = req->hdev; | |
840 | struct hci_cp_le_set_scan_rsp_data cp; | |
841 | u8 len; | |
842 | ||
d7a5a11d | 843 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
f14d8f64 MH |
844 | return; |
845 | ||
846 | memset(&cp, 0, sizeof(cp)); | |
847 | ||
848 | len = create_scan_rsp_data(hdev, cp.data); | |
849 | ||
eb438b5f JH |
850 | if (hdev->scan_rsp_data_len == len && |
851 | memcmp(cp.data, hdev->scan_rsp_data, len) == 0) | |
f14d8f64 MH |
852 | return; |
853 | ||
eb438b5f JH |
854 | memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data)); |
855 | hdev->scan_rsp_data_len = len; | |
f14d8f64 MH |
856 | |
857 | cp.length = len; | |
858 | ||
859 | hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp); | |
860 | } | |
861 | ||
9a43e25f JH |
862 | static u8 get_adv_discov_flags(struct hci_dev *hdev) |
863 | { | |
3b0602cd | 864 | struct mgmt_pending_cmd *cmd; |
9a43e25f JH |
865 | |
866 | /* If there's a pending mgmt command the flags will not yet have | |
867 | * their final values, so check for this first. | |
868 | */ | |
869 | cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); | |
870 | if (cmd) { | |
871 | struct mgmt_mode *cp = cmd->param; | |
872 | if (cp->val == 0x01) | |
873 | return LE_AD_GENERAL; | |
874 | else if (cp->val == 0x02) | |
875 | return LE_AD_LIMITED; | |
876 | } else { | |
d7a5a11d | 877 | if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) |
9a43e25f | 878 | return LE_AD_LIMITED; |
d7a5a11d | 879 | else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) |
9a43e25f JH |
880 | return LE_AD_GENERAL; |
881 | } | |
882 | ||
883 | return 0; | |
884 | } | |
885 | ||
46cad2ed | 886 | static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr) |
441ad2d0 MH |
887 | { |
888 | u8 ad_len = 0, flags = 0; | |
441ad2d0 | 889 | |
9a43e25f | 890 | flags |= get_adv_discov_flags(hdev); |
441ad2d0 | 891 | |
d7a5a11d | 892 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
441ad2d0 | 893 | flags |= LE_AD_NO_BREDR; |
441ad2d0 MH |
894 | |
895 | if (flags) { | |
896 | BT_DBG("adv flags 0x%02x", flags); | |
897 | ||
898 | ptr[0] = 2; | |
899 | ptr[1] = EIR_FLAGS; | |
900 | ptr[2] = flags; | |
901 | ||
902 | ad_len += 3; | |
903 | ptr += 3; | |
904 | } | |
905 | ||
906 | if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) { | |
907 | ptr[0] = 2; | |
908 | ptr[1] = EIR_TX_POWER; | |
909 | ptr[2] = (u8) hdev->adv_tx_power; | |
910 | ||
911 | ad_len += 3; | |
912 | ptr += 3; | |
913 | } | |
914 | ||
441ad2d0 MH |
915 | return ad_len; |
916 | } | |
917 | ||
5947f4bc | 918 | static void update_adv_data(struct hci_request *req) |
441ad2d0 MH |
919 | { |
920 | struct hci_dev *hdev = req->hdev; | |
921 | struct hci_cp_le_set_adv_data cp; | |
922 | u8 len; | |
923 | ||
d7a5a11d | 924 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
441ad2d0 MH |
925 | return; |
926 | ||
927 | memset(&cp, 0, sizeof(cp)); | |
928 | ||
46cad2ed | 929 | len = create_adv_data(hdev, cp.data); |
441ad2d0 MH |
930 | |
931 | if (hdev->adv_data_len == len && | |
932 | memcmp(cp.data, hdev->adv_data, len) == 0) | |
933 | return; | |
934 | ||
935 | memcpy(hdev->adv_data, cp.data, sizeof(cp.data)); | |
936 | hdev->adv_data_len = len; | |
937 | ||
938 | cp.length = len; | |
939 | ||
940 | hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); | |
941 | } | |
942 | ||
bc6d2d04 JH |
943 | int mgmt_update_adv_data(struct hci_dev *hdev) |
944 | { | |
945 | struct hci_request req; | |
946 | ||
947 | hci_req_init(&req, hdev); | |
948 | update_adv_data(&req); | |
949 | ||
950 | return hci_req_run(&req, NULL); | |
951 | } | |
952 | ||
ef580372 JH |
953 | static void create_eir(struct hci_dev *hdev, u8 *data) |
954 | { | |
955 | u8 *ptr = data; | |
ef580372 JH |
956 | size_t name_len; |
957 | ||
958 | name_len = strlen(hdev->dev_name); | |
959 | ||
960 | if (name_len > 0) { | |
961 | /* EIR Data type */ | |
962 | if (name_len > 48) { | |
963 | name_len = 48; | |
964 | ptr[1] = EIR_NAME_SHORT; | |
965 | } else | |
966 | ptr[1] = EIR_NAME_COMPLETE; | |
967 | ||
968 | /* EIR Data length */ | |
969 | ptr[0] = name_len + 1; | |
970 | ||
971 | memcpy(ptr + 2, hdev->dev_name, name_len); | |
972 | ||
ef580372 JH |
973 | ptr += (name_len + 2); |
974 | } | |
975 | ||
bbaf444a | 976 | if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) { |
91c4e9b1 MH |
977 | ptr[0] = 2; |
978 | ptr[1] = EIR_TX_POWER; | |
979 | ptr[2] = (u8) hdev->inq_tx_power; | |
980 | ||
91c4e9b1 MH |
981 | ptr += 3; |
982 | } | |
983 | ||
2b9be137 MH |
984 | if (hdev->devid_source > 0) { |
985 | ptr[0] = 9; | |
986 | ptr[1] = EIR_DEVICE_ID; | |
987 | ||
988 | put_unaligned_le16(hdev->devid_source, ptr + 2); | |
989 | put_unaligned_le16(hdev->devid_vendor, ptr + 4); | |
990 | put_unaligned_le16(hdev->devid_product, ptr + 6); | |
991 | put_unaligned_le16(hdev->devid_version, ptr + 8); | |
992 | ||
2b9be137 MH |
993 | ptr += 10; |
994 | } | |
995 | ||
213202ed | 996 | ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); |
cdf1963f | 997 | ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); |
c00d575b | 998 | ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); |
ef580372 JH |
999 | } |
1000 | ||
890ea898 | 1001 | static void update_eir(struct hci_request *req) |
ef580372 | 1002 | { |
890ea898 | 1003 | struct hci_dev *hdev = req->hdev; |
ef580372 JH |
1004 | struct hci_cp_write_eir cp; |
1005 | ||
504c8dcd | 1006 | if (!hdev_is_powered(hdev)) |
890ea898 | 1007 | return; |
7770c4aa | 1008 | |
976eb20e | 1009 | if (!lmp_ext_inq_capable(hdev)) |
890ea898 | 1010 | return; |
ef580372 | 1011 | |
d7a5a11d | 1012 | if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
890ea898 | 1013 | return; |
ef580372 | 1014 | |
d7a5a11d | 1015 | if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE)) |
890ea898 | 1016 | return; |
ef580372 JH |
1017 | |
1018 | memset(&cp, 0, sizeof(cp)); | |
1019 | ||
1020 | create_eir(hdev, cp.data); | |
1021 | ||
1022 | if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) | |
890ea898 | 1023 | return; |
ef580372 JH |
1024 | |
1025 | memcpy(hdev->eir, cp.data, sizeof(cp.data)); | |
1026 | ||
890ea898 | 1027 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); |
ef580372 JH |
1028 | } |
1029 | ||
1030 | static u8 get_service_classes(struct hci_dev *hdev) | |
1031 | { | |
1032 | struct bt_uuid *uuid; | |
1033 | u8 val = 0; | |
1034 | ||
1035 | list_for_each_entry(uuid, &hdev->uuids, list) | |
1036 | val |= uuid->svc_hint; | |
1037 | ||
1038 | return val; | |
1039 | } | |
1040 | ||
890ea898 | 1041 | static void update_class(struct hci_request *req) |
ef580372 | 1042 | { |
890ea898 | 1043 | struct hci_dev *hdev = req->hdev; |
ef580372 JH |
1044 | u8 cod[3]; |
1045 | ||
1046 | BT_DBG("%s", hdev->name); | |
1047 | ||
504c8dcd | 1048 | if (!hdev_is_powered(hdev)) |
890ea898 | 1049 | return; |
7770c4aa | 1050 | |
d7a5a11d | 1051 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
f87ea1da JH |
1052 | return; |
1053 | ||
d7a5a11d | 1054 | if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE)) |
890ea898 | 1055 | return; |
ef580372 JH |
1056 | |
1057 | cod[0] = hdev->minor_class; | |
1058 | cod[1] = hdev->major_class; | |
1059 | cod[2] = get_service_classes(hdev); | |
1060 | ||
d7a5a11d | 1061 | if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) |
6acd7db4 MH |
1062 | cod[1] |= 0x20; |
1063 | ||
ef580372 | 1064 | if (memcmp(cod, hdev->dev_class, 3) == 0) |
890ea898 | 1065 | return; |
ef580372 | 1066 | |
890ea898 | 1067 | hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); |
ef580372 JH |
1068 | } |
1069 | ||
a4858cb9 | 1070 | static bool get_connectable(struct hci_dev *hdev) |
199a2fb1 | 1071 | { |
3b0602cd | 1072 | struct mgmt_pending_cmd *cmd; |
199a2fb1 JH |
1073 | |
1074 | /* If there's a pending mgmt command the flag will not yet have | |
1075 | * it's final value, so check for this first. | |
1076 | */ | |
1077 | cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); | |
1078 | if (cmd) { | |
1079 | struct mgmt_mode *cp = cmd->param; | |
a4858cb9 | 1080 | return cp->val; |
199a2fb1 JH |
1081 | } |
1082 | ||
d7a5a11d | 1083 | return hci_dev_test_flag(hdev, HCI_CONNECTABLE); |
199a2fb1 JH |
1084 | } |
1085 | ||
0ec5ae84 JH |
1086 | static void disable_advertising(struct hci_request *req) |
1087 | { | |
1088 | u8 enable = 0x00; | |
1089 | ||
1090 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
1091 | } | |
1092 | ||
199a2fb1 JH |
1093 | static void enable_advertising(struct hci_request *req) |
1094 | { | |
1095 | struct hci_dev *hdev = req->hdev; | |
1096 | struct hci_cp_le_set_adv_param cp; | |
8f2a0601 | 1097 | u8 own_addr_type, enable = 0x01; |
a4858cb9 | 1098 | bool connectable; |
199a2fb1 | 1099 | |
0ec5ae84 JH |
1100 | if (hci_conn_num(hdev, LE_LINK) > 0) |
1101 | return; | |
1102 | ||
d7a5a11d | 1103 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
0ec5ae84 JH |
1104 | disable_advertising(req); |
1105 | ||
5ce194c4 | 1106 | /* Clear the HCI_LE_ADV bit temporarily so that the |
8d97250e JH |
1107 | * hci_update_random_address knows that it's safe to go ahead |
1108 | * and write a new random address. The flag will be set back on | |
1109 | * as soon as the SET_ADV_ENABLE HCI command completes. | |
1110 | */ | |
a358dc11 | 1111 | hci_dev_clear_flag(hdev, HCI_LE_ADV); |
8d97250e | 1112 | |
d7a5a11d | 1113 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) |
cc91cb04 MH |
1114 | connectable = true; |
1115 | else | |
1116 | connectable = get_connectable(hdev); | |
8f2a0601 | 1117 | |
a4858cb9 JH |
1118 | /* Set require_privacy to true only when non-connectable |
1119 | * advertising is used. In that case it is fine to use a | |
1120 | * non-resolvable private address. | |
1121 | */ | |
1122 | if (hci_update_random_address(req, !connectable, &own_addr_type) < 0) | |
8f2a0601 JH |
1123 | return; |
1124 | ||
41c90c18 | 1125 | memset(&cp, 0, sizeof(cp)); |
628531c9 GL |
1126 | cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval); |
1127 | cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval); | |
a4858cb9 | 1128 | cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND; |
8f2a0601 | 1129 | cp.own_address_type = own_addr_type; |
199a2fb1 JH |
1130 | cp.channel_map = hdev->le_adv_channel_map; |
1131 | ||
1132 | hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp); | |
1133 | ||
1134 | hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); | |
1135 | } | |
1136 | ||
7d78525d JH |
1137 | static void service_cache_off(struct work_struct *work) |
1138 | { | |
1139 | struct hci_dev *hdev = container_of(work, struct hci_dev, | |
04124681 | 1140 | service_cache.work); |
890ea898 | 1141 | struct hci_request req; |
7d78525d | 1142 | |
a8b2d5c2 | 1143 | if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) |
7d78525d JH |
1144 | return; |
1145 | ||
890ea898 JH |
1146 | hci_req_init(&req, hdev); |
1147 | ||
7d78525d JH |
1148 | hci_dev_lock(hdev); |
1149 | ||
890ea898 JH |
1150 | update_eir(&req); |
1151 | update_class(&req); | |
7d78525d JH |
1152 | |
1153 | hci_dev_unlock(hdev); | |
890ea898 JH |
1154 | |
1155 | hci_req_run(&req, NULL); | |
7d78525d JH |
1156 | } |
1157 | ||
d6bfd59c JH |
1158 | static void rpa_expired(struct work_struct *work) |
1159 | { | |
1160 | struct hci_dev *hdev = container_of(work, struct hci_dev, | |
1161 | rpa_expired.work); | |
1162 | struct hci_request req; | |
1163 | ||
1164 | BT_DBG(""); | |
1165 | ||
a1536da2 | 1166 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
d6bfd59c | 1167 | |
d7a5a11d | 1168 | if (!hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
d6bfd59c JH |
1169 | return; |
1170 | ||
1171 | /* The generation of a new RPA and programming it into the | |
1172 | * controller happens in the enable_advertising() function. | |
1173 | */ | |
d6bfd59c | 1174 | hci_req_init(&req, hdev); |
d6bfd59c | 1175 | enable_advertising(&req); |
d6bfd59c JH |
1176 | hci_req_run(&req, NULL); |
1177 | } | |
1178 | ||
6a919082 | 1179 | static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev) |
7d78525d | 1180 | { |
4f87da80 | 1181 | if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags)) |
6a919082 JH |
1182 | return; |
1183 | ||
4f87da80 | 1184 | INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off); |
d6bfd59c | 1185 | INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired); |
7d78525d | 1186 | |
4f87da80 JH |
1187 | /* Non-mgmt controlled devices get this bit set |
1188 | * implicitly so that pairing works for them, however | |
1189 | * for mgmt we require user-space to explicitly enable | |
1190 | * it | |
1191 | */ | |
a358dc11 | 1192 | hci_dev_clear_flag(hdev, HCI_BONDABLE); |
7d78525d JH |
1193 | } |
1194 | ||
0f4e68cf | 1195 | static int read_controller_info(struct sock *sk, struct hci_dev *hdev, |
04124681 | 1196 | void *data, u16 data_len) |
0381101f | 1197 | { |
a38528f1 | 1198 | struct mgmt_rp_read_info rp; |
f7b64e69 | 1199 | |
bdb6d971 | 1200 | BT_DBG("sock %p %s", sk, hdev->name); |
f7b64e69 | 1201 | |
09fd0de5 | 1202 | hci_dev_lock(hdev); |
f7b64e69 | 1203 | |
dc4fe30b JH |
1204 | memset(&rp, 0, sizeof(rp)); |
1205 | ||
69ab39ea | 1206 | bacpy(&rp.bdaddr, &hdev->bdaddr); |
f7b64e69 | 1207 | |
69ab39ea | 1208 | rp.version = hdev->hci_ver; |
eb55ef07 | 1209 | rp.manufacturer = cpu_to_le16(hdev->manufacturer); |
69ab39ea JH |
1210 | |
1211 | rp.supported_settings = cpu_to_le32(get_supported_settings(hdev)); | |
1212 | rp.current_settings = cpu_to_le32(get_current_settings(hdev)); | |
f7b64e69 | 1213 | |
a38528f1 | 1214 | memcpy(rp.dev_class, hdev->dev_class, 3); |
f7b64e69 | 1215 | |
dc4fe30b | 1216 | memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name)); |
27fcc362 | 1217 | memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name)); |
dc4fe30b | 1218 | |
09fd0de5 | 1219 | hci_dev_unlock(hdev); |
0381101f | 1220 | |
2a1afb5a JH |
1221 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp, |
1222 | sizeof(rp)); | |
0381101f JH |
1223 | } |
1224 | ||
3b0602cd | 1225 | static void mgmt_pending_free(struct mgmt_pending_cmd *cmd) |
eec8d2bc JH |
1226 | { |
1227 | sock_put(cmd->sk); | |
c68fb7ff | 1228 | kfree(cmd->param); |
eec8d2bc JH |
1229 | kfree(cmd); |
1230 | } | |
1231 | ||
3b0602cd JH |
1232 | static struct mgmt_pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, |
1233 | struct hci_dev *hdev, | |
1234 | void *data, u16 len) | |
eec8d2bc | 1235 | { |
3b0602cd | 1236 | struct mgmt_pending_cmd *cmd; |
eec8d2bc | 1237 | |
fca20018 | 1238 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
eec8d2bc | 1239 | if (!cmd) |
366a0336 | 1240 | return NULL; |
eec8d2bc JH |
1241 | |
1242 | cmd->opcode = opcode; | |
2e58ef3e | 1243 | cmd->index = hdev->id; |
eec8d2bc | 1244 | |
323b0b88 | 1245 | cmd->param = kmemdup(data, len, GFP_KERNEL); |
c68fb7ff | 1246 | if (!cmd->param) { |
eec8d2bc | 1247 | kfree(cmd); |
366a0336 | 1248 | return NULL; |
eec8d2bc JH |
1249 | } |
1250 | ||
323b0b88 | 1251 | cmd->param_len = len; |
eec8d2bc JH |
1252 | |
1253 | cmd->sk = sk; | |
1254 | sock_hold(sk); | |
1255 | ||
2e58ef3e | 1256 | list_add(&cmd->list, &hdev->mgmt_pending); |
eec8d2bc | 1257 | |
366a0336 | 1258 | return cmd; |
eec8d2bc JH |
1259 | } |
1260 | ||
744cf19e | 1261 | static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, |
3b0602cd | 1262 | void (*cb)(struct mgmt_pending_cmd *cmd, |
8fc9ced3 | 1263 | void *data), |
04124681 | 1264 | void *data) |
eec8d2bc | 1265 | { |
3b0602cd | 1266 | struct mgmt_pending_cmd *cmd, *tmp; |
eec8d2bc | 1267 | |
a3d09356 | 1268 | list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) { |
b24752fe | 1269 | if (opcode > 0 && cmd->opcode != opcode) |
eec8d2bc JH |
1270 | continue; |
1271 | ||
eec8d2bc JH |
1272 | cb(cmd, data); |
1273 | } | |
1274 | } | |
1275 | ||
3b0602cd | 1276 | static void mgmt_pending_remove(struct mgmt_pending_cmd *cmd) |
73f22f62 | 1277 | { |
73f22f62 JH |
1278 | list_del(&cmd->list); |
1279 | mgmt_pending_free(cmd); | |
1280 | } | |
1281 | ||
69ab39ea | 1282 | static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) |
8680570b | 1283 | { |
69ab39ea | 1284 | __le32 settings = cpu_to_le32(get_current_settings(hdev)); |
8680570b | 1285 | |
2a1afb5a JH |
1286 | return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings, |
1287 | sizeof(settings)); | |
8680570b JH |
1288 | } |
1289 | ||
1904a853 | 1290 | static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
8b064a3a JH |
1291 | { |
1292 | BT_DBG("%s status 0x%02x", hdev->name, status); | |
1293 | ||
a3172b7e JH |
1294 | if (hci_conn_count(hdev) == 0) { |
1295 | cancel_delayed_work(&hdev->power_off); | |
8b064a3a | 1296 | queue_work(hdev->req_workqueue, &hdev->power_off.work); |
a3172b7e | 1297 | } |
8b064a3a JH |
1298 | } |
1299 | ||
23a48093 | 1300 | static bool hci_stop_discovery(struct hci_request *req) |
21a60d30 JH |
1301 | { |
1302 | struct hci_dev *hdev = req->hdev; | |
1303 | struct hci_cp_remote_name_req_cancel cp; | |
1304 | struct inquiry_entry *e; | |
1305 | ||
1306 | switch (hdev->discovery.state) { | |
1307 | case DISCOVERY_FINDING: | |
1308 | if (test_bit(HCI_INQUIRY, &hdev->flags)) { | |
1309 | hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL); | |
1310 | } else { | |
1311 | cancel_delayed_work(&hdev->le_scan_disable); | |
1312 | hci_req_add_le_scan_disable(req); | |
1313 | } | |
1314 | ||
23a48093 | 1315 | return true; |
21a60d30 JH |
1316 | |
1317 | case DISCOVERY_RESOLVING: | |
1318 | e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, | |
1319 | NAME_PENDING); | |
1320 | if (!e) | |
23a48093 | 1321 | break; |
21a60d30 JH |
1322 | |
1323 | bacpy(&cp.bdaddr, &e->data.bdaddr); | |
1324 | hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp), | |
1325 | &cp); | |
1326 | ||
23a48093 | 1327 | return true; |
21a60d30 JH |
1328 | |
1329 | default: | |
1330 | /* Passive scanning */ | |
d7a5a11d | 1331 | if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) { |
21a60d30 | 1332 | hci_req_add_le_scan_disable(req); |
23a48093 JH |
1333 | return true; |
1334 | } | |
1335 | ||
21a60d30 JH |
1336 | break; |
1337 | } | |
23a48093 JH |
1338 | |
1339 | return false; | |
21a60d30 JH |
1340 | } |
1341 | ||
8b064a3a JH |
1342 | static int clean_up_hci_state(struct hci_dev *hdev) |
1343 | { | |
1344 | struct hci_request req; | |
1345 | struct hci_conn *conn; | |
23a48093 JH |
1346 | bool discov_stopped; |
1347 | int err; | |
8b064a3a JH |
1348 | |
1349 | hci_req_init(&req, hdev); | |
1350 | ||
1351 | if (test_bit(HCI_ISCAN, &hdev->flags) || | |
1352 | test_bit(HCI_PSCAN, &hdev->flags)) { | |
1353 | u8 scan = 0x00; | |
1354 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
1355 | } | |
1356 | ||
d7a5a11d | 1357 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
8b064a3a JH |
1358 | disable_advertising(&req); |
1359 | ||
23a48093 | 1360 | discov_stopped = hci_stop_discovery(&req); |
8b064a3a JH |
1361 | |
1362 | list_for_each_entry(conn, &hdev->conn_hash.list, list) { | |
1363 | struct hci_cp_disconnect dc; | |
c9910d0f JH |
1364 | struct hci_cp_reject_conn_req rej; |
1365 | ||
1366 | switch (conn->state) { | |
1367 | case BT_CONNECTED: | |
1368 | case BT_CONFIG: | |
1369 | dc.handle = cpu_to_le16(conn->handle); | |
1370 | dc.reason = 0x15; /* Terminated due to Power Off */ | |
1371 | hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
1372 | break; | |
1373 | case BT_CONNECT: | |
1374 | if (conn->type == LE_LINK) | |
1375 | hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL, | |
1376 | 0, NULL); | |
1377 | else if (conn->type == ACL_LINK) | |
1378 | hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL, | |
1379 | 6, &conn->dst); | |
1380 | break; | |
1381 | case BT_CONNECT2: | |
1382 | bacpy(&rej.bdaddr, &conn->dst); | |
1383 | rej.reason = 0x15; /* Terminated due to Power Off */ | |
1384 | if (conn->type == ACL_LINK) | |
1385 | hci_req_add(&req, HCI_OP_REJECT_CONN_REQ, | |
1386 | sizeof(rej), &rej); | |
1387 | else if (conn->type == SCO_LINK) | |
1388 | hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ, | |
1389 | sizeof(rej), &rej); | |
1390 | break; | |
1391 | } | |
8b064a3a JH |
1392 | } |
1393 | ||
23a48093 JH |
1394 | err = hci_req_run(&req, clean_up_hci_complete); |
1395 | if (!err && discov_stopped) | |
1396 | hci_discovery_set_state(hdev, DISCOVERY_STOPPING); | |
1397 | ||
1398 | return err; | |
8b064a3a JH |
1399 | } |
1400 | ||
bdb6d971 | 1401 | static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1402 | u16 len) |
eec8d2bc | 1403 | { |
650f726d | 1404 | struct mgmt_mode *cp = data; |
3b0602cd | 1405 | struct mgmt_pending_cmd *cmd; |
4b34ee78 | 1406 | int err; |
eec8d2bc | 1407 | |
bdb6d971 | 1408 | BT_DBG("request for %s", hdev->name); |
eec8d2bc | 1409 | |
a7e80f25 | 1410 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
1411 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, |
1412 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 1413 | |
09fd0de5 | 1414 | hci_dev_lock(hdev); |
eec8d2bc | 1415 | |
87b95ba6 | 1416 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) { |
a69e8375 JH |
1417 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, |
1418 | MGMT_STATUS_BUSY); | |
87b95ba6 JH |
1419 | goto failed; |
1420 | } | |
1421 | ||
f0d4b78a MH |
1422 | if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { |
1423 | cancel_delayed_work(&hdev->power_off); | |
1424 | ||
1425 | if (cp->val) { | |
a1d70450 JH |
1426 | mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, |
1427 | data, len); | |
1428 | err = mgmt_powered(hdev, 1); | |
f0d4b78a MH |
1429 | goto failed; |
1430 | } | |
1431 | } | |
1432 | ||
4b34ee78 | 1433 | if (!!cp->val == hdev_is_powered(hdev)) { |
69ab39ea | 1434 | err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); |
eec8d2bc JH |
1435 | goto failed; |
1436 | } | |
1437 | ||
2e58ef3e | 1438 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len); |
366a0336 JH |
1439 | if (!cmd) { |
1440 | err = -ENOMEM; | |
eec8d2bc | 1441 | goto failed; |
366a0336 | 1442 | } |
eec8d2bc | 1443 | |
8b064a3a | 1444 | if (cp->val) { |
19202573 | 1445 | queue_work(hdev->req_workqueue, &hdev->power_on); |
8b064a3a JH |
1446 | err = 0; |
1447 | } else { | |
1448 | /* Disconnect connections, stop scans, etc */ | |
1449 | err = clean_up_hci_state(hdev); | |
a3172b7e JH |
1450 | if (!err) |
1451 | queue_delayed_work(hdev->req_workqueue, &hdev->power_off, | |
1452 | HCI_POWER_OFF_TIMEOUT); | |
eec8d2bc | 1453 | |
8b064a3a JH |
1454 | /* ENODATA means there were no HCI commands queued */ |
1455 | if (err == -ENODATA) { | |
a3172b7e | 1456 | cancel_delayed_work(&hdev->power_off); |
8b064a3a JH |
1457 | queue_work(hdev->req_workqueue, &hdev->power_off.work); |
1458 | err = 0; | |
1459 | } | |
1460 | } | |
eec8d2bc JH |
1461 | |
1462 | failed: | |
09fd0de5 | 1463 | hci_dev_unlock(hdev); |
366a0336 | 1464 | return err; |
eec8d2bc JH |
1465 | } |
1466 | ||
beadb2bd JH |
1467 | static int new_settings(struct hci_dev *hdev, struct sock *skip) |
1468 | { | |
1469 | __le32 ev; | |
1470 | ||
1471 | ev = cpu_to_le32(get_current_settings(hdev)); | |
1472 | ||
1473 | return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip); | |
1474 | } | |
1475 | ||
91a668b0 JH |
1476 | int mgmt_new_settings(struct hci_dev *hdev) |
1477 | { | |
1478 | return new_settings(hdev, NULL); | |
1479 | } | |
1480 | ||
bd99abdd JH |
1481 | struct cmd_lookup { |
1482 | struct sock *sk; | |
1483 | struct hci_dev *hdev; | |
1484 | u8 mgmt_status; | |
1485 | }; | |
1486 | ||
3b0602cd | 1487 | static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data) |
bd99abdd JH |
1488 | { |
1489 | struct cmd_lookup *match = data; | |
1490 | ||
1491 | send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); | |
1492 | ||
1493 | list_del(&cmd->list); | |
1494 | ||
1495 | if (match->sk == NULL) { | |
1496 | match->sk = cmd->sk; | |
1497 | sock_hold(match->sk); | |
1498 | } | |
1499 | ||
1500 | mgmt_pending_free(cmd); | |
1501 | } | |
1502 | ||
3b0602cd | 1503 | static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data) |
bd99abdd JH |
1504 | { |
1505 | u8 *status = data; | |
1506 | ||
a69e8375 | 1507 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); |
bd99abdd JH |
1508 | mgmt_pending_remove(cmd); |
1509 | } | |
1510 | ||
3b0602cd | 1511 | static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data) |
1b9b5ee5 JH |
1512 | { |
1513 | if (cmd->cmd_complete) { | |
1514 | u8 *status = data; | |
1515 | ||
1516 | cmd->cmd_complete(cmd, *status); | |
1517 | mgmt_pending_remove(cmd); | |
1518 | ||
1519 | return; | |
1520 | } | |
1521 | ||
1522 | cmd_status_rsp(cmd, data); | |
1523 | } | |
1524 | ||
3b0602cd | 1525 | static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
f5818c22 | 1526 | { |
2a1afb5a JH |
1527 | return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, |
1528 | cmd->param, cmd->param_len); | |
f5818c22 JH |
1529 | } |
1530 | ||
3b0602cd | 1531 | static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
7776d1d8 | 1532 | { |
2a1afb5a JH |
1533 | return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, |
1534 | cmd->param, sizeof(struct mgmt_addr_info)); | |
7776d1d8 JH |
1535 | } |
1536 | ||
e6fe7986 JH |
1537 | static u8 mgmt_bredr_support(struct hci_dev *hdev) |
1538 | { | |
1539 | if (!lmp_bredr_capable(hdev)) | |
1540 | return MGMT_STATUS_NOT_SUPPORTED; | |
d7a5a11d | 1541 | else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
e6fe7986 JH |
1542 | return MGMT_STATUS_REJECTED; |
1543 | else | |
1544 | return MGMT_STATUS_SUCCESS; | |
1545 | } | |
1546 | ||
1547 | static u8 mgmt_le_support(struct hci_dev *hdev) | |
1548 | { | |
1549 | if (!lmp_le_capable(hdev)) | |
1550 | return MGMT_STATUS_NOT_SUPPORTED; | |
d7a5a11d | 1551 | else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
e6fe7986 JH |
1552 | return MGMT_STATUS_REJECTED; |
1553 | else | |
1554 | return MGMT_STATUS_SUCCESS; | |
1555 | } | |
1556 | ||
1904a853 MH |
1557 | static void set_discoverable_complete(struct hci_dev *hdev, u8 status, |
1558 | u16 opcode) | |
bfaf8c9f | 1559 | { |
3b0602cd | 1560 | struct mgmt_pending_cmd *cmd; |
bfaf8c9f | 1561 | struct mgmt_mode *cp; |
970ba524 | 1562 | struct hci_request req; |
bfaf8c9f JH |
1563 | bool changed; |
1564 | ||
1565 | BT_DBG("status 0x%02x", status); | |
1566 | ||
1567 | hci_dev_lock(hdev); | |
1568 | ||
1569 | cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); | |
1570 | if (!cmd) | |
1571 | goto unlock; | |
1572 | ||
1573 | if (status) { | |
1574 | u8 mgmt_err = mgmt_status(status); | |
a69e8375 | 1575 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); |
a358dc11 | 1576 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
bfaf8c9f JH |
1577 | goto remove_cmd; |
1578 | } | |
1579 | ||
1580 | cp = cmd->param; | |
d4462a07 | 1581 | if (cp->val) { |
bfaf8c9f JH |
1582 | changed = !test_and_set_bit(HCI_DISCOVERABLE, |
1583 | &hdev->dev_flags); | |
d4462a07 MH |
1584 | |
1585 | if (hdev->discov_timeout > 0) { | |
1586 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
1587 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, | |
1588 | to); | |
1589 | } | |
1590 | } else { | |
bfaf8c9f JH |
1591 | changed = test_and_clear_bit(HCI_DISCOVERABLE, |
1592 | &hdev->dev_flags); | |
d4462a07 | 1593 | } |
bfaf8c9f JH |
1594 | |
1595 | send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev); | |
1596 | ||
1597 | if (changed) | |
1598 | new_settings(hdev, cmd->sk); | |
1599 | ||
970ba524 MH |
1600 | /* When the discoverable mode gets changed, make sure |
1601 | * that class of device has the limited discoverable | |
432df05e JH |
1602 | * bit correctly set. Also update page scan based on whitelist |
1603 | * entries. | |
970ba524 MH |
1604 | */ |
1605 | hci_req_init(&req, hdev); | |
1d2dc5b7 | 1606 | __hci_update_page_scan(&req); |
970ba524 MH |
1607 | update_class(&req); |
1608 | hci_req_run(&req, NULL); | |
1609 | ||
bfaf8c9f JH |
1610 | remove_cmd: |
1611 | mgmt_pending_remove(cmd); | |
1612 | ||
1613 | unlock: | |
1614 | hci_dev_unlock(hdev); | |
1615 | } | |
1616 | ||
bdb6d971 | 1617 | static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1618 | u16 len) |
73f22f62 | 1619 | { |
650f726d | 1620 | struct mgmt_cp_set_discoverable *cp = data; |
3b0602cd | 1621 | struct mgmt_pending_cmd *cmd; |
bfaf8c9f | 1622 | struct hci_request req; |
5e5282bb | 1623 | u16 timeout; |
9a43e25f | 1624 | u8 scan; |
73f22f62 JH |
1625 | int err; |
1626 | ||
bdb6d971 | 1627 | BT_DBG("request for %s", hdev->name); |
73f22f62 | 1628 | |
d7a5a11d MH |
1629 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) && |
1630 | !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) | |
a69e8375 JH |
1631 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1632 | MGMT_STATUS_REJECTED); | |
33c525c0 | 1633 | |
310a3d48 | 1634 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
a69e8375 JH |
1635 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1636 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 1637 | |
1f350c87 | 1638 | timeout = __le16_to_cpu(cp->timeout); |
310a3d48 MH |
1639 | |
1640 | /* Disabling discoverable requires that no timeout is set, | |
1641 | * and enabling limited discoverable requires a timeout. | |
1642 | */ | |
1643 | if ((cp->val == 0x00 && timeout > 0) || | |
1644 | (cp->val == 0x02 && timeout == 0)) | |
a69e8375 JH |
1645 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1646 | MGMT_STATUS_INVALID_PARAMS); | |
73f22f62 | 1647 | |
09fd0de5 | 1648 | hci_dev_lock(hdev); |
73f22f62 | 1649 | |
5e5282bb | 1650 | if (!hdev_is_powered(hdev) && timeout > 0) { |
a69e8375 JH |
1651 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1652 | MGMT_STATUS_NOT_POWERED); | |
73f22f62 JH |
1653 | goto failed; |
1654 | } | |
1655 | ||
2e58ef3e | 1656 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
8ce8e2b5 | 1657 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { |
a69e8375 JH |
1658 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1659 | MGMT_STATUS_BUSY); | |
73f22f62 JH |
1660 | goto failed; |
1661 | } | |
1662 | ||
d7a5a11d | 1663 | if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) { |
a69e8375 JH |
1664 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
1665 | MGMT_STATUS_REJECTED); | |
5e5282bb JH |
1666 | goto failed; |
1667 | } | |
1668 | ||
1669 | if (!hdev_is_powered(hdev)) { | |
0224d2fa JH |
1670 | bool changed = false; |
1671 | ||
310a3d48 MH |
1672 | /* Setting limited discoverable when powered off is |
1673 | * not a valid operation since it requires a timeout | |
1674 | * and so no need to check HCI_LIMITED_DISCOVERABLE. | |
1675 | */ | |
d7a5a11d | 1676 | if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) { |
ce05d603 | 1677 | hci_dev_change_flag(hdev, HCI_DISCOVERABLE); |
0224d2fa JH |
1678 | changed = true; |
1679 | } | |
1680 | ||
5e5282bb | 1681 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
0224d2fa JH |
1682 | if (err < 0) |
1683 | goto failed; | |
1684 | ||
1685 | if (changed) | |
1686 | err = new_settings(hdev, sk); | |
1687 | ||
5e5282bb JH |
1688 | goto failed; |
1689 | } | |
1690 | ||
310a3d48 MH |
1691 | /* If the current mode is the same, then just update the timeout |
1692 | * value with the new value. And if only the timeout gets updated, | |
1693 | * then no need for any HCI transactions. | |
1694 | */ | |
d7a5a11d MH |
1695 | if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) && |
1696 | (cp->val == 0x02) == hci_dev_test_flag(hdev, | |
1697 | HCI_LIMITED_DISCOVERABLE)) { | |
36261547 MH |
1698 | cancel_delayed_work(&hdev->discov_off); |
1699 | hdev->discov_timeout = timeout; | |
955638ec | 1700 | |
36261547 MH |
1701 | if (cp->val && hdev->discov_timeout > 0) { |
1702 | int to = msecs_to_jiffies(hdev->discov_timeout * 1000); | |
955638ec | 1703 | queue_delayed_work(hdev->workqueue, &hdev->discov_off, |
36261547 | 1704 | to); |
955638ec MH |
1705 | } |
1706 | ||
69ab39ea | 1707 | err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
73f22f62 JH |
1708 | goto failed; |
1709 | } | |
1710 | ||
2e58ef3e | 1711 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len); |
366a0336 JH |
1712 | if (!cmd) { |
1713 | err = -ENOMEM; | |
73f22f62 | 1714 | goto failed; |
366a0336 | 1715 | } |
73f22f62 | 1716 | |
310a3d48 MH |
1717 | /* Cancel any potential discoverable timeout that might be |
1718 | * still active and store new timeout value. The arming of | |
1719 | * the timeout happens in the complete handler. | |
1720 | */ | |
1721 | cancel_delayed_work(&hdev->discov_off); | |
1722 | hdev->discov_timeout = timeout; | |
1723 | ||
b456f87c JH |
1724 | /* Limited discoverable mode */ |
1725 | if (cp->val == 0x02) | |
a1536da2 | 1726 | hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
b456f87c | 1727 | else |
a358dc11 | 1728 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
b456f87c | 1729 | |
bfaf8c9f JH |
1730 | hci_req_init(&req, hdev); |
1731 | ||
9a43e25f JH |
1732 | /* The procedure for LE-only controllers is much simpler - just |
1733 | * update the advertising data. | |
1734 | */ | |
d7a5a11d | 1735 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
9a43e25f JH |
1736 | goto update_ad; |
1737 | ||
73f22f62 JH |
1738 | scan = SCAN_PAGE; |
1739 | ||
310a3d48 MH |
1740 | if (cp->val) { |
1741 | struct hci_cp_write_current_iac_lap hci_cp; | |
1742 | ||
1743 | if (cp->val == 0x02) { | |
1744 | /* Limited discoverable mode */ | |
33337dcb | 1745 | hci_cp.num_iac = min_t(u8, hdev->num_iac, 2); |
310a3d48 MH |
1746 | hci_cp.iac_lap[0] = 0x00; /* LIAC */ |
1747 | hci_cp.iac_lap[1] = 0x8b; | |
1748 | hci_cp.iac_lap[2] = 0x9e; | |
1749 | hci_cp.iac_lap[3] = 0x33; /* GIAC */ | |
1750 | hci_cp.iac_lap[4] = 0x8b; | |
1751 | hci_cp.iac_lap[5] = 0x9e; | |
1752 | } else { | |
1753 | /* General discoverable mode */ | |
310a3d48 MH |
1754 | hci_cp.num_iac = 1; |
1755 | hci_cp.iac_lap[0] = 0x33; /* GIAC */ | |
1756 | hci_cp.iac_lap[1] = 0x8b; | |
1757 | hci_cp.iac_lap[2] = 0x9e; | |
1758 | } | |
1759 | ||
1760 | hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP, | |
1761 | (hci_cp.num_iac * 3) + 1, &hci_cp); | |
1762 | ||
73f22f62 | 1763 | scan |= SCAN_INQUIRY; |
310a3d48 | 1764 | } else { |
a358dc11 | 1765 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
310a3d48 | 1766 | } |
73f22f62 | 1767 | |
310a3d48 | 1768 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan); |
bfaf8c9f | 1769 | |
9a43e25f JH |
1770 | update_ad: |
1771 | update_adv_data(&req); | |
1772 | ||
bfaf8c9f | 1773 | err = hci_req_run(&req, set_discoverable_complete); |
73f22f62 | 1774 | if (err < 0) |
a664b5bc | 1775 | mgmt_pending_remove(cmd); |
73f22f62 JH |
1776 | |
1777 | failed: | |
09fd0de5 | 1778 | hci_dev_unlock(hdev); |
73f22f62 JH |
1779 | return err; |
1780 | } | |
1781 | ||
406d7804 JH |
1782 | static void write_fast_connectable(struct hci_request *req, bool enable) |
1783 | { | |
bd98b996 | 1784 | struct hci_dev *hdev = req->hdev; |
406d7804 JH |
1785 | struct hci_cp_write_page_scan_activity acp; |
1786 | u8 type; | |
1787 | ||
d7a5a11d | 1788 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
547003b1 JH |
1789 | return; |
1790 | ||
4c01f8b8 JH |
1791 | if (hdev->hci_ver < BLUETOOTH_VER_1_2) |
1792 | return; | |
1793 | ||
406d7804 JH |
1794 | if (enable) { |
1795 | type = PAGE_SCAN_TYPE_INTERLACED; | |
1796 | ||
1797 | /* 160 msec page scan interval */ | |
dcf4adbf | 1798 | acp.interval = cpu_to_le16(0x0100); |
406d7804 JH |
1799 | } else { |
1800 | type = PAGE_SCAN_TYPE_STANDARD; /* default */ | |
1801 | ||
1802 | /* default 1.28 sec page scan */ | |
dcf4adbf | 1803 | acp.interval = cpu_to_le16(0x0800); |
406d7804 JH |
1804 | } |
1805 | ||
dcf4adbf | 1806 | acp.window = cpu_to_le16(0x0012); |
406d7804 | 1807 | |
bd98b996 JH |
1808 | if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval || |
1809 | __cpu_to_le16(hdev->page_scan_window) != acp.window) | |
1810 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, | |
1811 | sizeof(acp), &acp); | |
1812 | ||
1813 | if (hdev->page_scan_type != type) | |
1814 | hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); | |
406d7804 JH |
1815 | } |
1816 | ||
1904a853 MH |
1817 | static void set_connectable_complete(struct hci_dev *hdev, u8 status, |
1818 | u16 opcode) | |
2b76f453 | 1819 | { |
3b0602cd | 1820 | struct mgmt_pending_cmd *cmd; |
d7b856f9 | 1821 | struct mgmt_mode *cp; |
bc6d2d04 | 1822 | bool conn_changed, discov_changed; |
2b76f453 JH |
1823 | |
1824 | BT_DBG("status 0x%02x", status); | |
1825 | ||
1826 | hci_dev_lock(hdev); | |
1827 | ||
1828 | cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); | |
1829 | if (!cmd) | |
1830 | goto unlock; | |
1831 | ||
37438c1f JH |
1832 | if (status) { |
1833 | u8 mgmt_err = mgmt_status(status); | |
a69e8375 | 1834 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); |
37438c1f JH |
1835 | goto remove_cmd; |
1836 | } | |
1837 | ||
d7b856f9 | 1838 | cp = cmd->param; |
bc6d2d04 JH |
1839 | if (cp->val) { |
1840 | conn_changed = !test_and_set_bit(HCI_CONNECTABLE, | |
1841 | &hdev->dev_flags); | |
1842 | discov_changed = false; | |
1843 | } else { | |
1844 | conn_changed = test_and_clear_bit(HCI_CONNECTABLE, | |
1845 | &hdev->dev_flags); | |
1846 | discov_changed = test_and_clear_bit(HCI_DISCOVERABLE, | |
1847 | &hdev->dev_flags); | |
1848 | } | |
d7b856f9 | 1849 | |
2b76f453 JH |
1850 | send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev); |
1851 | ||
bc6d2d04 | 1852 | if (conn_changed || discov_changed) { |
d7b856f9 | 1853 | new_settings(hdev, cmd->sk); |
1d2dc5b7 | 1854 | hci_update_page_scan(hdev); |
bc6d2d04 JH |
1855 | if (discov_changed) |
1856 | mgmt_update_adv_data(hdev); | |
2b7be33e JH |
1857 | hci_update_background_scan(hdev); |
1858 | } | |
d7b856f9 | 1859 | |
37438c1f | 1860 | remove_cmd: |
2b76f453 JH |
1861 | mgmt_pending_remove(cmd); |
1862 | ||
1863 | unlock: | |
1864 | hci_dev_unlock(hdev); | |
1865 | } | |
1866 | ||
e8ba3a1f JH |
1867 | static int set_connectable_update_settings(struct hci_dev *hdev, |
1868 | struct sock *sk, u8 val) | |
1869 | { | |
1870 | bool changed = false; | |
1871 | int err; | |
1872 | ||
d7a5a11d | 1873 | if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE)) |
e8ba3a1f JH |
1874 | changed = true; |
1875 | ||
1876 | if (val) { | |
a1536da2 | 1877 | hci_dev_set_flag(hdev, HCI_CONNECTABLE); |
e8ba3a1f | 1878 | } else { |
a358dc11 MH |
1879 | hci_dev_clear_flag(hdev, HCI_CONNECTABLE); |
1880 | hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); | |
e8ba3a1f JH |
1881 | } |
1882 | ||
1883 | err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); | |
1884 | if (err < 0) | |
1885 | return err; | |
1886 | ||
562064e6 | 1887 | if (changed) { |
1d2dc5b7 | 1888 | hci_update_page_scan(hdev); |
562064e6 | 1889 | hci_update_background_scan(hdev); |
e8ba3a1f | 1890 | return new_settings(hdev, sk); |
562064e6 | 1891 | } |
e8ba3a1f JH |
1892 | |
1893 | return 0; | |
1894 | } | |
1895 | ||
bdb6d971 | 1896 | static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1897 | u16 len) |
9fbcbb45 | 1898 | { |
650f726d | 1899 | struct mgmt_mode *cp = data; |
3b0602cd | 1900 | struct mgmt_pending_cmd *cmd; |
2b76f453 | 1901 | struct hci_request req; |
1987fdc7 | 1902 | u8 scan; |
9fbcbb45 JH |
1903 | int err; |
1904 | ||
bdb6d971 | 1905 | BT_DBG("request for %s", hdev->name); |
9fbcbb45 | 1906 | |
d7a5a11d MH |
1907 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) && |
1908 | !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) | |
a69e8375 JH |
1909 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
1910 | MGMT_STATUS_REJECTED); | |
33c525c0 | 1911 | |
a7e80f25 | 1912 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
1913 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
1914 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 1915 | |
09fd0de5 | 1916 | hci_dev_lock(hdev); |
9fbcbb45 | 1917 | |
4b34ee78 | 1918 | if (!hdev_is_powered(hdev)) { |
e8ba3a1f | 1919 | err = set_connectable_update_settings(hdev, sk, cp->val); |
9fbcbb45 JH |
1920 | goto failed; |
1921 | } | |
1922 | ||
2e58ef3e | 1923 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
8ce8e2b5 | 1924 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { |
a69e8375 JH |
1925 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
1926 | MGMT_STATUS_BUSY); | |
9fbcbb45 JH |
1927 | goto failed; |
1928 | } | |
1929 | ||
2e58ef3e | 1930 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len); |
366a0336 JH |
1931 | if (!cmd) { |
1932 | err = -ENOMEM; | |
9fbcbb45 | 1933 | goto failed; |
366a0336 | 1934 | } |
9fbcbb45 | 1935 | |
9b74246f | 1936 | hci_req_init(&req, hdev); |
9fbcbb45 | 1937 | |
9a43e25f JH |
1938 | /* If BR/EDR is not enabled and we disable advertising as a |
1939 | * by-product of disabling connectable, we need to update the | |
1940 | * advertising flags. | |
1941 | */ | |
d7a5a11d | 1942 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
9a43e25f | 1943 | if (!cp->val) { |
a358dc11 MH |
1944 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
1945 | hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); | |
9a43e25f JH |
1946 | } |
1947 | update_adv_data(&req); | |
1948 | } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) { | |
9b74246f JH |
1949 | if (cp->val) { |
1950 | scan = SCAN_PAGE; | |
1951 | } else { | |
3bd27240 JH |
1952 | /* If we don't have any whitelist entries just |
1953 | * disable all scanning. If there are entries | |
1954 | * and we had both page and inquiry scanning | |
1955 | * enabled then fall back to only page scanning. | |
1956 | * Otherwise no changes are needed. | |
1957 | */ | |
1958 | if (list_empty(&hdev->whitelist)) | |
1959 | scan = SCAN_DISABLED; | |
1960 | else if (test_bit(HCI_ISCAN, &hdev->flags)) | |
1961 | scan = SCAN_PAGE; | |
1962 | else | |
1963 | goto no_scan_update; | |
9b74246f JH |
1964 | |
1965 | if (test_bit(HCI_ISCAN, &hdev->flags) && | |
8d6083fe | 1966 | hdev->discov_timeout > 0) |
9b74246f JH |
1967 | cancel_delayed_work(&hdev->discov_off); |
1968 | } | |
2b76f453 | 1969 | |
9b74246f JH |
1970 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); |
1971 | } | |
2b76f453 | 1972 | |
3bd27240 | 1973 | no_scan_update: |
e8b1202c | 1974 | /* Update the advertising parameters if necessary */ |
d7a5a11d | 1975 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
1987fdc7 | 1976 | enable_advertising(&req); |
1987fdc7 | 1977 | |
2b76f453 | 1978 | err = hci_req_run(&req, set_connectable_complete); |
9b74246f | 1979 | if (err < 0) { |
a664b5bc | 1980 | mgmt_pending_remove(cmd); |
9b74246f | 1981 | if (err == -ENODATA) |
a81070ba JH |
1982 | err = set_connectable_update_settings(hdev, sk, |
1983 | cp->val); | |
9b74246f JH |
1984 | goto failed; |
1985 | } | |
9fbcbb45 JH |
1986 | |
1987 | failed: | |
09fd0de5 | 1988 | hci_dev_unlock(hdev); |
9fbcbb45 JH |
1989 | return err; |
1990 | } | |
1991 | ||
b2939475 | 1992 | static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 1993 | u16 len) |
c542a06c | 1994 | { |
650f726d | 1995 | struct mgmt_mode *cp = data; |
55594356 | 1996 | bool changed; |
c542a06c JH |
1997 | int err; |
1998 | ||
bdb6d971 | 1999 | BT_DBG("request for %s", hdev->name); |
c542a06c | 2000 | |
a7e80f25 | 2001 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2002 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE, |
2003 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2004 | |
09fd0de5 | 2005 | hci_dev_lock(hdev); |
c542a06c JH |
2006 | |
2007 | if (cp->val) | |
b6ae8457 | 2008 | changed = !test_and_set_bit(HCI_BONDABLE, &hdev->dev_flags); |
c542a06c | 2009 | else |
b6ae8457 | 2010 | changed = test_and_clear_bit(HCI_BONDABLE, &hdev->dev_flags); |
c542a06c | 2011 | |
b2939475 | 2012 | err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev); |
c542a06c | 2013 | if (err < 0) |
55594356 | 2014 | goto unlock; |
c542a06c | 2015 | |
55594356 MH |
2016 | if (changed) |
2017 | err = new_settings(hdev, sk); | |
c542a06c | 2018 | |
55594356 | 2019 | unlock: |
09fd0de5 | 2020 | hci_dev_unlock(hdev); |
c542a06c JH |
2021 | return err; |
2022 | } | |
2023 | ||
04124681 GP |
2024 | static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, |
2025 | u16 len) | |
33ef95ed JH |
2026 | { |
2027 | struct mgmt_mode *cp = data; | |
3b0602cd | 2028 | struct mgmt_pending_cmd *cmd; |
e6fe7986 | 2029 | u8 val, status; |
33ef95ed JH |
2030 | int err; |
2031 | ||
bdb6d971 | 2032 | BT_DBG("request for %s", hdev->name); |
33ef95ed | 2033 | |
e6fe7986 JH |
2034 | status = mgmt_bredr_support(hdev); |
2035 | if (status) | |
a69e8375 JH |
2036 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
2037 | status); | |
33c525c0 | 2038 | |
a7e80f25 | 2039 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2040 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
2041 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2042 | |
33ef95ed JH |
2043 | hci_dev_lock(hdev); |
2044 | ||
4b34ee78 | 2045 | if (!hdev_is_powered(hdev)) { |
47990ea0 JH |
2046 | bool changed = false; |
2047 | ||
d7a5a11d | 2048 | if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) { |
ce05d603 | 2049 | hci_dev_change_flag(hdev, HCI_LINK_SECURITY); |
47990ea0 JH |
2050 | changed = true; |
2051 | } | |
2052 | ||
2053 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
2054 | if (err < 0) | |
2055 | goto failed; | |
2056 | ||
2057 | if (changed) | |
2058 | err = new_settings(hdev, sk); | |
2059 | ||
33ef95ed JH |
2060 | goto failed; |
2061 | } | |
2062 | ||
2063 | if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) { | |
a69e8375 JH |
2064 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
2065 | MGMT_STATUS_BUSY); | |
33ef95ed JH |
2066 | goto failed; |
2067 | } | |
2068 | ||
2069 | val = !!cp->val; | |
2070 | ||
2071 | if (test_bit(HCI_AUTH, &hdev->flags) == val) { | |
2072 | err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); | |
2073 | goto failed; | |
2074 | } | |
2075 | ||
2076 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len); | |
2077 | if (!cmd) { | |
2078 | err = -ENOMEM; | |
2079 | goto failed; | |
2080 | } | |
2081 | ||
2082 | err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val); | |
2083 | if (err < 0) { | |
2084 | mgmt_pending_remove(cmd); | |
2085 | goto failed; | |
2086 | } | |
2087 | ||
2088 | failed: | |
2089 | hci_dev_unlock(hdev); | |
33ef95ed JH |
2090 | return err; |
2091 | } | |
2092 | ||
bdb6d971 | 2093 | static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
ed2c4ee3 JH |
2094 | { |
2095 | struct mgmt_mode *cp = data; | |
3b0602cd | 2096 | struct mgmt_pending_cmd *cmd; |
72ef0c1a | 2097 | u8 status; |
ed2c4ee3 JH |
2098 | int err; |
2099 | ||
bdb6d971 | 2100 | BT_DBG("request for %s", hdev->name); |
ed2c4ee3 | 2101 | |
cdba5281 MH |
2102 | status = mgmt_bredr_support(hdev); |
2103 | if (status) | |
a69e8375 | 2104 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status); |
cdba5281 | 2105 | |
13ecd8b6 | 2106 | if (!lmp_ssp_capable(hdev)) |
a69e8375 JH |
2107 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
2108 | MGMT_STATUS_NOT_SUPPORTED); | |
ed2c4ee3 | 2109 | |
a7e80f25 | 2110 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2111 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
2112 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2113 | |
13ecd8b6 | 2114 | hci_dev_lock(hdev); |
6c8f12c1 | 2115 | |
4b34ee78 | 2116 | if (!hdev_is_powered(hdev)) { |
9ecb3e24 | 2117 | bool changed; |
c0ecddc2 | 2118 | |
9ecb3e24 MH |
2119 | if (cp->val) { |
2120 | changed = !test_and_set_bit(HCI_SSP_ENABLED, | |
2121 | &hdev->dev_flags); | |
2122 | } else { | |
2123 | changed = test_and_clear_bit(HCI_SSP_ENABLED, | |
2124 | &hdev->dev_flags); | |
2125 | if (!changed) | |
2126 | changed = test_and_clear_bit(HCI_HS_ENABLED, | |
2127 | &hdev->dev_flags); | |
2128 | else | |
a358dc11 | 2129 | hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
c0ecddc2 JH |
2130 | } |
2131 | ||
2132 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); | |
2133 | if (err < 0) | |
2134 | goto failed; | |
2135 | ||
2136 | if (changed) | |
2137 | err = new_settings(hdev, sk); | |
2138 | ||
ed2c4ee3 JH |
2139 | goto failed; |
2140 | } | |
2141 | ||
94d52dad | 2142 | if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev)) { |
a69e8375 JH |
2143 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
2144 | MGMT_STATUS_BUSY); | |
ed2c4ee3 JH |
2145 | goto failed; |
2146 | } | |
2147 | ||
d7a5a11d | 2148 | if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
ed2c4ee3 JH |
2149 | err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); |
2150 | goto failed; | |
2151 | } | |
2152 | ||
2153 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len); | |
2154 | if (!cmd) { | |
2155 | err = -ENOMEM; | |
2156 | goto failed; | |
2157 | } | |
2158 | ||
d7a5a11d | 2159 | if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) |
3769972b JH |
2160 | hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, |
2161 | sizeof(cp->val), &cp->val); | |
2162 | ||
72ef0c1a | 2163 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val); |
ed2c4ee3 JH |
2164 | if (err < 0) { |
2165 | mgmt_pending_remove(cmd); | |
2166 | goto failed; | |
2167 | } | |
2168 | ||
2169 | failed: | |
2170 | hci_dev_unlock(hdev); | |
ed2c4ee3 JH |
2171 | return err; |
2172 | } | |
2173 | ||
bdb6d971 | 2174 | static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
6d80dfd0 JH |
2175 | { |
2176 | struct mgmt_mode *cp = data; | |
ee392693 | 2177 | bool changed; |
e6fe7986 | 2178 | u8 status; |
ee392693 | 2179 | int err; |
6d80dfd0 | 2180 | |
bdb6d971 | 2181 | BT_DBG("request for %s", hdev->name); |
6d80dfd0 | 2182 | |
e6fe7986 JH |
2183 | status = mgmt_bredr_support(hdev); |
2184 | if (status) | |
a69e8375 | 2185 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status); |
6d80dfd0 | 2186 | |
9ecb3e24 | 2187 | if (!lmp_ssp_capable(hdev)) |
a69e8375 JH |
2188 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2189 | MGMT_STATUS_NOT_SUPPORTED); | |
9ecb3e24 | 2190 | |
d7a5a11d | 2191 | if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
a69e8375 JH |
2192 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2193 | MGMT_STATUS_REJECTED); | |
9ecb3e24 | 2194 | |
a7e80f25 | 2195 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2196 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2197 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2198 | |
ee392693 MH |
2199 | hci_dev_lock(hdev); |
2200 | ||
a2cb01de | 2201 | if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev)) { |
a69e8375 JH |
2202 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2203 | MGMT_STATUS_BUSY); | |
a2cb01de JH |
2204 | goto unlock; |
2205 | } | |
2206 | ||
a0cdf960 | 2207 | if (cp->val) { |
ee392693 | 2208 | changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags); |
a0cdf960 MH |
2209 | } else { |
2210 | if (hdev_is_powered(hdev)) { | |
a69e8375 JH |
2211 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
2212 | MGMT_STATUS_REJECTED); | |
a0cdf960 MH |
2213 | goto unlock; |
2214 | } | |
2215 | ||
ee392693 | 2216 | changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); |
a0cdf960 | 2217 | } |
ee392693 MH |
2218 | |
2219 | err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev); | |
2220 | if (err < 0) | |
2221 | goto unlock; | |
2222 | ||
2223 | if (changed) | |
2224 | err = new_settings(hdev, sk); | |
6d80dfd0 | 2225 | |
ee392693 MH |
2226 | unlock: |
2227 | hci_dev_unlock(hdev); | |
2228 | return err; | |
6d80dfd0 JH |
2229 | } |
2230 | ||
1904a853 | 2231 | static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
416a4ae5 JH |
2232 | { |
2233 | struct cmd_lookup match = { NULL, hdev }; | |
2234 | ||
3ad67582 JK |
2235 | hci_dev_lock(hdev); |
2236 | ||
416a4ae5 JH |
2237 | if (status) { |
2238 | u8 mgmt_err = mgmt_status(status); | |
2239 | ||
2240 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp, | |
2241 | &mgmt_err); | |
3ad67582 | 2242 | goto unlock; |
416a4ae5 JH |
2243 | } |
2244 | ||
2245 | mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); | |
2246 | ||
2247 | new_settings(hdev, match.sk); | |
2248 | ||
2249 | if (match.sk) | |
2250 | sock_put(match.sk); | |
441ad2d0 MH |
2251 | |
2252 | /* Make sure the controller has a good default for | |
2253 | * advertising data. Restrict the update to when LE | |
2254 | * has actually been enabled. During power on, the | |
2255 | * update in powered_update_hci will take care of it. | |
2256 | */ | |
d7a5a11d | 2257 | if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) { |
441ad2d0 MH |
2258 | struct hci_request req; |
2259 | ||
441ad2d0 | 2260 | hci_req_init(&req, hdev); |
5947f4bc | 2261 | update_adv_data(&req); |
f14d8f64 | 2262 | update_scan_rsp_data(&req); |
2cf22218 | 2263 | __hci_update_background_scan(&req); |
441ad2d0 | 2264 | hci_req_run(&req, NULL); |
441ad2d0 | 2265 | } |
3ad67582 JK |
2266 | |
2267 | unlock: | |
2268 | hci_dev_unlock(hdev); | |
416a4ae5 JH |
2269 | } |
2270 | ||
bdb6d971 | 2271 | static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
06199cf8 JH |
2272 | { |
2273 | struct mgmt_mode *cp = data; | |
2274 | struct hci_cp_write_le_host_supported hci_cp; | |
3b0602cd | 2275 | struct mgmt_pending_cmd *cmd; |
416a4ae5 | 2276 | struct hci_request req; |
06199cf8 | 2277 | int err; |
0b60eba1 | 2278 | u8 val, enabled; |
06199cf8 | 2279 | |
bdb6d971 | 2280 | BT_DBG("request for %s", hdev->name); |
06199cf8 | 2281 | |
13ecd8b6 | 2282 | if (!lmp_le_capable(hdev)) |
a69e8375 JH |
2283 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
2284 | MGMT_STATUS_NOT_SUPPORTED); | |
1de028ce | 2285 | |
a7e80f25 | 2286 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
2287 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
2288 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 2289 | |
c73eee91 | 2290 | /* LE-only devices do not allow toggling LE on/off */ |
d7a5a11d | 2291 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) |
a69e8375 JH |
2292 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
2293 | MGMT_STATUS_REJECTED); | |
c73eee91 | 2294 | |
13ecd8b6 | 2295 | hci_dev_lock(hdev); |
06199cf8 JH |
2296 | |
2297 | val = !!cp->val; | |
ffa88e02 | 2298 | enabled = lmp_host_le_capable(hdev); |
06199cf8 | 2299 | |
0b60eba1 | 2300 | if (!hdev_is_powered(hdev) || val == enabled) { |
06199cf8 JH |
2301 | bool changed = false; |
2302 | ||
d7a5a11d | 2303 | if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) { |
ce05d603 | 2304 | hci_dev_change_flag(hdev, HCI_LE_ENABLED); |
06199cf8 JH |
2305 | changed = true; |
2306 | } | |
2307 | ||
d7a5a11d | 2308 | if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) { |
a358dc11 | 2309 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); |
eeca6f89 JH |
2310 | changed = true; |
2311 | } | |
2312 | ||
06199cf8 JH |
2313 | err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); |
2314 | if (err < 0) | |
1de028ce | 2315 | goto unlock; |
06199cf8 JH |
2316 | |
2317 | if (changed) | |
2318 | err = new_settings(hdev, sk); | |
2319 | ||
1de028ce | 2320 | goto unlock; |
06199cf8 JH |
2321 | } |
2322 | ||
4375f103 JH |
2323 | if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) || |
2324 | mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) { | |
a69e8375 JH |
2325 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
2326 | MGMT_STATUS_BUSY); | |
1de028ce | 2327 | goto unlock; |
06199cf8 JH |
2328 | } |
2329 | ||
2330 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len); | |
2331 | if (!cmd) { | |
2332 | err = -ENOMEM; | |
1de028ce | 2333 | goto unlock; |
06199cf8 JH |
2334 | } |
2335 | ||
441ad2d0 MH |
2336 | hci_req_init(&req, hdev); |
2337 | ||
06199cf8 JH |
2338 | memset(&hci_cp, 0, sizeof(hci_cp)); |
2339 | ||
2340 | if (val) { | |
2341 | hci_cp.le = val; | |
32226e4f | 2342 | hci_cp.simul = 0x00; |
441ad2d0 | 2343 | } else { |
d7a5a11d | 2344 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
441ad2d0 | 2345 | disable_advertising(&req); |
06199cf8 JH |
2346 | } |
2347 | ||
416a4ae5 JH |
2348 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), |
2349 | &hci_cp); | |
2350 | ||
2351 | err = hci_req_run(&req, le_enable_complete); | |
0c01bc48 | 2352 | if (err < 0) |
06199cf8 | 2353 | mgmt_pending_remove(cmd); |
06199cf8 | 2354 | |
1de028ce JH |
2355 | unlock: |
2356 | hci_dev_unlock(hdev); | |
06199cf8 JH |
2357 | return err; |
2358 | } | |
2359 | ||
0cab9c80 JH |
2360 | /* This is a helper function to test for pending mgmt commands that can |
2361 | * cause CoD or EIR HCI commands. We can only allow one such pending | |
2362 | * mgmt command at a time since otherwise we cannot easily track what | |
2363 | * the current values are, will be, and based on that calculate if a new | |
2364 | * HCI command needs to be sent and if yes with what value. | |
2365 | */ | |
2366 | static bool pending_eir_or_class(struct hci_dev *hdev) | |
2367 | { | |
3b0602cd | 2368 | struct mgmt_pending_cmd *cmd; |
0cab9c80 JH |
2369 | |
2370 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { | |
2371 | switch (cmd->opcode) { | |
2372 | case MGMT_OP_ADD_UUID: | |
2373 | case MGMT_OP_REMOVE_UUID: | |
2374 | case MGMT_OP_SET_DEV_CLASS: | |
2375 | case MGMT_OP_SET_POWERED: | |
2376 | return true; | |
2377 | } | |
2378 | } | |
2379 | ||
2380 | return false; | |
2381 | } | |
2382 | ||
83be8eca JH |
2383 | static const u8 bluetooth_base_uuid[] = { |
2384 | 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, | |
2385 | 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
2386 | }; | |
2387 | ||
2388 | static u8 get_uuid_size(const u8 *uuid) | |
2389 | { | |
2390 | u32 val; | |
2391 | ||
2392 | if (memcmp(uuid, bluetooth_base_uuid, 12)) | |
2393 | return 128; | |
2394 | ||
2395 | val = get_unaligned_le32(&uuid[12]); | |
2396 | if (val > 0xffff) | |
2397 | return 32; | |
2398 | ||
2399 | return 16; | |
2400 | } | |
2401 | ||
92da6097 JH |
2402 | static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status) |
2403 | { | |
3b0602cd | 2404 | struct mgmt_pending_cmd *cmd; |
92da6097 JH |
2405 | |
2406 | hci_dev_lock(hdev); | |
2407 | ||
2408 | cmd = mgmt_pending_find(mgmt_op, hdev); | |
2409 | if (!cmd) | |
2410 | goto unlock; | |
2411 | ||
2a1afb5a JH |
2412 | mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, |
2413 | mgmt_status(status), hdev->dev_class, 3); | |
92da6097 JH |
2414 | |
2415 | mgmt_pending_remove(cmd); | |
2416 | ||
2417 | unlock: | |
2418 | hci_dev_unlock(hdev); | |
2419 | } | |
2420 | ||
1904a853 | 2421 | static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
92da6097 JH |
2422 | { |
2423 | BT_DBG("status 0x%02x", status); | |
2424 | ||
2425 | mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status); | |
2426 | } | |
2427 | ||
bdb6d971 | 2428 | static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
2aeb9a1a | 2429 | { |
650f726d | 2430 | struct mgmt_cp_add_uuid *cp = data; |
3b0602cd | 2431 | struct mgmt_pending_cmd *cmd; |
890ea898 | 2432 | struct hci_request req; |
2aeb9a1a | 2433 | struct bt_uuid *uuid; |
2aeb9a1a JH |
2434 | int err; |
2435 | ||
bdb6d971 | 2436 | BT_DBG("request for %s", hdev->name); |
2aeb9a1a | 2437 | |
09fd0de5 | 2438 | hci_dev_lock(hdev); |
2aeb9a1a | 2439 | |
0cab9c80 | 2440 | if (pending_eir_or_class(hdev)) { |
a69e8375 JH |
2441 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID, |
2442 | MGMT_STATUS_BUSY); | |
c95f0ba7 JH |
2443 | goto failed; |
2444 | } | |
2445 | ||
92c4c204 | 2446 | uuid = kmalloc(sizeof(*uuid), GFP_KERNEL); |
2aeb9a1a JH |
2447 | if (!uuid) { |
2448 | err = -ENOMEM; | |
2449 | goto failed; | |
2450 | } | |
2451 | ||
2452 | memcpy(uuid->uuid, cp->uuid, 16); | |
1aff6f09 | 2453 | uuid->svc_hint = cp->svc_hint; |
83be8eca | 2454 | uuid->size = get_uuid_size(cp->uuid); |
2aeb9a1a | 2455 | |
de66aa63 | 2456 | list_add_tail(&uuid->list, &hdev->uuids); |
2aeb9a1a | 2457 | |
890ea898 | 2458 | hci_req_init(&req, hdev); |
1aff6f09 | 2459 | |
890ea898 JH |
2460 | update_class(&req); |
2461 | update_eir(&req); | |
2462 | ||
92da6097 JH |
2463 | err = hci_req_run(&req, add_uuid_complete); |
2464 | if (err < 0) { | |
2465 | if (err != -ENODATA) | |
2466 | goto failed; | |
80a1e1db | 2467 | |
2a1afb5a JH |
2468 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0, |
2469 | hdev->dev_class, 3); | |
90e70454 JH |
2470 | goto failed; |
2471 | } | |
2472 | ||
2473 | cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len); | |
890ea898 | 2474 | if (!cmd) { |
90e70454 | 2475 | err = -ENOMEM; |
890ea898 JH |
2476 | goto failed; |
2477 | } | |
2478 | ||
2479 | err = 0; | |
2aeb9a1a JH |
2480 | |
2481 | failed: | |
09fd0de5 | 2482 | hci_dev_unlock(hdev); |
2aeb9a1a JH |
2483 | return err; |
2484 | } | |
2485 | ||
24b78d0f JH |
2486 | static bool enable_service_cache(struct hci_dev *hdev) |
2487 | { | |
2488 | if (!hdev_is_powered(hdev)) | |
2489 | return false; | |
2490 | ||
2491 | if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { | |
46818ed5 JH |
2492 | queue_delayed_work(hdev->workqueue, &hdev->service_cache, |
2493 | CACHE_TIMEOUT); | |
24b78d0f JH |
2494 | return true; |
2495 | } | |
2496 | ||
2497 | return false; | |
2498 | } | |
2499 | ||
1904a853 | 2500 | static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
92da6097 JH |
2501 | { |
2502 | BT_DBG("status 0x%02x", status); | |
2503 | ||
2504 | mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status); | |
2505 | } | |
2506 | ||
bdb6d971 | 2507 | static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, |
8ce8e2b5 | 2508 | u16 len) |
2aeb9a1a | 2509 | { |
650f726d | 2510 | struct mgmt_cp_remove_uuid *cp = data; |
3b0602cd | 2511 | struct mgmt_pending_cmd *cmd; |
056341c8 | 2512 | struct bt_uuid *match, *tmp; |
2aeb9a1a | 2513 | u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
890ea898 | 2514 | struct hci_request req; |
2aeb9a1a JH |
2515 | int err, found; |
2516 | ||
bdb6d971 | 2517 | BT_DBG("request for %s", hdev->name); |
2aeb9a1a | 2518 | |
09fd0de5 | 2519 | hci_dev_lock(hdev); |
2aeb9a1a | 2520 | |
0cab9c80 | 2521 | if (pending_eir_or_class(hdev)) { |
a69e8375 JH |
2522 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
2523 | MGMT_STATUS_BUSY); | |
c95f0ba7 JH |
2524 | goto unlock; |
2525 | } | |
2526 | ||
2aeb9a1a | 2527 | if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { |
35f7498a | 2528 | hci_uuids_clear(hdev); |
4004b6d9 | 2529 | |
24b78d0f | 2530 | if (enable_service_cache(hdev)) { |
2a1afb5a JH |
2531 | err = mgmt_cmd_complete(sk, hdev->id, |
2532 | MGMT_OP_REMOVE_UUID, | |
2533 | 0, hdev->dev_class, 3); | |
24b78d0f JH |
2534 | goto unlock; |
2535 | } | |
4004b6d9 | 2536 | |
9246a869 | 2537 | goto update_class; |
2aeb9a1a JH |
2538 | } |
2539 | ||
2540 | found = 0; | |
2541 | ||
056341c8 | 2542 | list_for_each_entry_safe(match, tmp, &hdev->uuids, list) { |
2aeb9a1a JH |
2543 | if (memcmp(match->uuid, cp->uuid, 16) != 0) |
2544 | continue; | |
2545 | ||
2546 | list_del(&match->list); | |
482049f7 | 2547 | kfree(match); |
2aeb9a1a JH |
2548 | found++; |
2549 | } | |
2550 | ||
2551 | if (found == 0) { | |
a69e8375 JH |
2552 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
2553 | MGMT_STATUS_INVALID_PARAMS); | |
2aeb9a1a JH |
2554 | goto unlock; |
2555 | } | |
2556 | ||
9246a869 | 2557 | update_class: |
890ea898 | 2558 | hci_req_init(&req, hdev); |
1aff6f09 | 2559 | |
890ea898 JH |
2560 | update_class(&req); |
2561 | update_eir(&req); | |
2562 | ||
92da6097 JH |
2563 | err = hci_req_run(&req, remove_uuid_complete); |
2564 | if (err < 0) { | |
2565 | if (err != -ENODATA) | |
2566 | goto unlock; | |
80a1e1db | 2567 | |
2a1afb5a JH |
2568 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0, |
2569 | hdev->dev_class, 3); | |
90e70454 JH |
2570 | goto unlock; |
2571 | } | |
2572 | ||
2573 | cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len); | |
890ea898 | 2574 | if (!cmd) { |
90e70454 | 2575 | err = -ENOMEM; |
890ea898 JH |
2576 | goto unlock; |
2577 | } | |
2578 | ||
2579 | err = 0; | |
2aeb9a1a JH |
2580 | |
2581 | unlock: | |
09fd0de5 | 2582 | hci_dev_unlock(hdev); |
2aeb9a1a JH |
2583 | return err; |
2584 | } | |
2585 | ||
1904a853 | 2586 | static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
92da6097 JH |
2587 | { |
2588 | BT_DBG("status 0x%02x", status); | |
2589 | ||
2590 | mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status); | |
2591 | } | |
2592 | ||
bdb6d971 | 2593 | static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2594 | u16 len) |
1aff6f09 | 2595 | { |
650f726d | 2596 | struct mgmt_cp_set_dev_class *cp = data; |
3b0602cd | 2597 | struct mgmt_pending_cmd *cmd; |
890ea898 | 2598 | struct hci_request req; |
1aff6f09 JH |
2599 | int err; |
2600 | ||
bdb6d971 | 2601 | BT_DBG("request for %s", hdev->name); |
1aff6f09 | 2602 | |
6203fc98 | 2603 | if (!lmp_bredr_capable(hdev)) |
a69e8375 JH |
2604 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
2605 | MGMT_STATUS_NOT_SUPPORTED); | |
1aff6f09 | 2606 | |
0cab9c80 | 2607 | hci_dev_lock(hdev); |
ee98f473 | 2608 | |
0cab9c80 | 2609 | if (pending_eir_or_class(hdev)) { |
a69e8375 JH |
2610 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
2611 | MGMT_STATUS_BUSY); | |
0cab9c80 JH |
2612 | goto unlock; |
2613 | } | |
c95f0ba7 | 2614 | |
0cab9c80 | 2615 | if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) { |
a69e8375 JH |
2616 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
2617 | MGMT_STATUS_INVALID_PARAMS); | |
0cab9c80 JH |
2618 | goto unlock; |
2619 | } | |
575b3a02 | 2620 | |
932f5ff5 JH |
2621 | hdev->major_class = cp->major; |
2622 | hdev->minor_class = cp->minor; | |
2623 | ||
b5235a65 | 2624 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
2625 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
2626 | hdev->dev_class, 3); | |
b5235a65 JH |
2627 | goto unlock; |
2628 | } | |
2629 | ||
890ea898 JH |
2630 | hci_req_init(&req, hdev); |
2631 | ||
a8b2d5c2 | 2632 | if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { |
7d78525d JH |
2633 | hci_dev_unlock(hdev); |
2634 | cancel_delayed_work_sync(&hdev->service_cache); | |
2635 | hci_dev_lock(hdev); | |
890ea898 | 2636 | update_eir(&req); |
7d78525d | 2637 | } |
14c0b608 | 2638 | |
890ea898 JH |
2639 | update_class(&req); |
2640 | ||
92da6097 JH |
2641 | err = hci_req_run(&req, set_class_complete); |
2642 | if (err < 0) { | |
2643 | if (err != -ENODATA) | |
2644 | goto unlock; | |
1aff6f09 | 2645 | |
2a1afb5a JH |
2646 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
2647 | hdev->dev_class, 3); | |
90e70454 JH |
2648 | goto unlock; |
2649 | } | |
2650 | ||
2651 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len); | |
890ea898 | 2652 | if (!cmd) { |
90e70454 | 2653 | err = -ENOMEM; |
890ea898 JH |
2654 | goto unlock; |
2655 | } | |
2656 | ||
2657 | err = 0; | |
1aff6f09 | 2658 | |
b5235a65 | 2659 | unlock: |
09fd0de5 | 2660 | hci_dev_unlock(hdev); |
1aff6f09 JH |
2661 | return err; |
2662 | } | |
2663 | ||
bdb6d971 | 2664 | static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, |
8ce8e2b5 | 2665 | u16 len) |
55ed8ca1 | 2666 | { |
650f726d | 2667 | struct mgmt_cp_load_link_keys *cp = data; |
ba1d6936 JH |
2668 | const u16 max_key_count = ((U16_MAX - sizeof(*cp)) / |
2669 | sizeof(struct mgmt_link_key_info)); | |
4e51eae9 | 2670 | u16 key_count, expected_len; |
b1de97d8 | 2671 | bool changed; |
a492cd52 | 2672 | int i; |
55ed8ca1 | 2673 | |
9060d5cf MH |
2674 | BT_DBG("request for %s", hdev->name); |
2675 | ||
2676 | if (!lmp_bredr_capable(hdev)) | |
a69e8375 JH |
2677 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
2678 | MGMT_STATUS_NOT_SUPPORTED); | |
9060d5cf | 2679 | |
1f350c87 | 2680 | key_count = __le16_to_cpu(cp->key_count); |
ba1d6936 JH |
2681 | if (key_count > max_key_count) { |
2682 | BT_ERR("load_link_keys: too big key_count value %u", | |
2683 | key_count); | |
a69e8375 JH |
2684 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
2685 | MGMT_STATUS_INVALID_PARAMS); | |
ba1d6936 | 2686 | } |
55ed8ca1 | 2687 | |
86742e1e JH |
2688 | expected_len = sizeof(*cp) + key_count * |
2689 | sizeof(struct mgmt_link_key_info); | |
a492cd52 | 2690 | if (expected_len != len) { |
86742e1e | 2691 | BT_ERR("load_link_keys: expected %u bytes, got %u bytes", |
2606ecbc | 2692 | expected_len, len); |
a69e8375 JH |
2693 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
2694 | MGMT_STATUS_INVALID_PARAMS); | |
55ed8ca1 JH |
2695 | } |
2696 | ||
4ae14301 | 2697 | if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01) |
a69e8375 JH |
2698 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
2699 | MGMT_STATUS_INVALID_PARAMS); | |
4ae14301 | 2700 | |
bdb6d971 | 2701 | BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys, |
8ce8e2b5 | 2702 | key_count); |
55ed8ca1 | 2703 | |
4ee71b20 JH |
2704 | for (i = 0; i < key_count; i++) { |
2705 | struct mgmt_link_key_info *key = &cp->keys[i]; | |
2706 | ||
8e991132 | 2707 | if (key->addr.type != BDADDR_BREDR || key->type > 0x08) |
a69e8375 JH |
2708 | return mgmt_cmd_status(sk, hdev->id, |
2709 | MGMT_OP_LOAD_LINK_KEYS, | |
2710 | MGMT_STATUS_INVALID_PARAMS); | |
4ee71b20 JH |
2711 | } |
2712 | ||
09fd0de5 | 2713 | hci_dev_lock(hdev); |
55ed8ca1 JH |
2714 | |
2715 | hci_link_keys_clear(hdev); | |
2716 | ||
55ed8ca1 | 2717 | if (cp->debug_keys) |
0663b297 JH |
2718 | changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS, |
2719 | &hdev->dev_flags); | |
55ed8ca1 | 2720 | else |
0663b297 JH |
2721 | changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS, |
2722 | &hdev->dev_flags); | |
b1de97d8 MH |
2723 | |
2724 | if (changed) | |
2725 | new_settings(hdev, NULL); | |
55ed8ca1 | 2726 | |
a492cd52 | 2727 | for (i = 0; i < key_count; i++) { |
86742e1e | 2728 | struct mgmt_link_key_info *key = &cp->keys[i]; |
55ed8ca1 | 2729 | |
58e9293c JH |
2730 | /* Always ignore debug keys and require a new pairing if |
2731 | * the user wants to use them. | |
2732 | */ | |
2733 | if (key->type == HCI_LK_DEBUG_COMBINATION) | |
2734 | continue; | |
2735 | ||
7652ff6a JH |
2736 | hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val, |
2737 | key->type, key->pin_len, NULL); | |
55ed8ca1 JH |
2738 | } |
2739 | ||
2a1afb5a | 2740 | mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0); |
0e5f875a | 2741 | |
09fd0de5 | 2742 | hci_dev_unlock(hdev); |
55ed8ca1 | 2743 | |
a492cd52 | 2744 | return 0; |
55ed8ca1 JH |
2745 | } |
2746 | ||
b1078ad0 | 2747 | static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 2748 | u8 addr_type, struct sock *skip_sk) |
b1078ad0 JH |
2749 | { |
2750 | struct mgmt_ev_device_unpaired ev; | |
2751 | ||
2752 | bacpy(&ev.addr.bdaddr, bdaddr); | |
2753 | ev.addr.type = addr_type; | |
2754 | ||
2755 | return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev), | |
04124681 | 2756 | skip_sk); |
b1078ad0 JH |
2757 | } |
2758 | ||
bdb6d971 | 2759 | static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2760 | u16 len) |
55ed8ca1 | 2761 | { |
124f6e35 JH |
2762 | struct mgmt_cp_unpair_device *cp = data; |
2763 | struct mgmt_rp_unpair_device rp; | |
a8a1d19e | 2764 | struct hci_cp_disconnect dc; |
3b0602cd | 2765 | struct mgmt_pending_cmd *cmd; |
55ed8ca1 | 2766 | struct hci_conn *conn; |
55ed8ca1 JH |
2767 | int err; |
2768 | ||
a8a1d19e | 2769 | memset(&rp, 0, sizeof(rp)); |
124f6e35 JH |
2770 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
2771 | rp.addr.type = cp->addr.type; | |
a8a1d19e | 2772 | |
4ee71b20 | 2773 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
2774 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
2775 | MGMT_STATUS_INVALID_PARAMS, | |
2776 | &rp, sizeof(rp)); | |
4ee71b20 | 2777 | |
118da70b | 2778 | if (cp->disconnect != 0x00 && cp->disconnect != 0x01) |
2a1afb5a JH |
2779 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
2780 | MGMT_STATUS_INVALID_PARAMS, | |
2781 | &rp, sizeof(rp)); | |
118da70b | 2782 | |
4ee71b20 JH |
2783 | hci_dev_lock(hdev); |
2784 | ||
86a8cfc6 | 2785 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
2786 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
2787 | MGMT_STATUS_NOT_POWERED, &rp, | |
2788 | sizeof(rp)); | |
86a8cfc6 JH |
2789 | goto unlock; |
2790 | } | |
2791 | ||
e0b2b27e | 2792 | if (cp->addr.type == BDADDR_BREDR) { |
89cbb063 AA |
2793 | /* If disconnection is requested, then look up the |
2794 | * connection. If the remote device is connected, it | |
2795 | * will be later used to terminate the link. | |
2796 | * | |
2797 | * Setting it to NULL explicitly will cause no | |
2798 | * termination of the link. | |
2799 | */ | |
2800 | if (cp->disconnect) | |
2801 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
2802 | &cp->addr.bdaddr); | |
2803 | else | |
2804 | conn = NULL; | |
2805 | ||
124f6e35 | 2806 | err = hci_remove_link_key(hdev, &cp->addr.bdaddr); |
e0b2b27e JH |
2807 | } else { |
2808 | u8 addr_type; | |
2809 | ||
89cbb063 AA |
2810 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, |
2811 | &cp->addr.bdaddr); | |
2812 | if (conn) { | |
2813 | /* Defer clearing up the connection parameters | |
2814 | * until closing to give a chance of keeping | |
2815 | * them if a repairing happens. | |
2816 | */ | |
2817 | set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); | |
2818 | ||
2819 | /* If disconnection is not requested, then | |
2820 | * clear the connection variable so that the | |
2821 | * link is not terminated. | |
2822 | */ | |
2823 | if (!cp->disconnect) | |
2824 | conn = NULL; | |
2825 | } | |
2826 | ||
e0b2b27e JH |
2827 | if (cp->addr.type == BDADDR_LE_PUBLIC) |
2828 | addr_type = ADDR_LE_DEV_PUBLIC; | |
2829 | else | |
2830 | addr_type = ADDR_LE_DEV_RANDOM; | |
2831 | ||
a7ec7338 JH |
2832 | hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type); |
2833 | ||
e0b2b27e JH |
2834 | err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type); |
2835 | } | |
b0dbfb46 | 2836 | |
55ed8ca1 | 2837 | if (err < 0) { |
2a1afb5a JH |
2838 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
2839 | MGMT_STATUS_NOT_PAIRED, &rp, | |
2840 | sizeof(rp)); | |
55ed8ca1 JH |
2841 | goto unlock; |
2842 | } | |
2843 | ||
89cbb063 AA |
2844 | /* If the connection variable is set, then termination of the |
2845 | * link is requested. | |
2846 | */ | |
a8a1d19e | 2847 | if (!conn) { |
2a1afb5a JH |
2848 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0, |
2849 | &rp, sizeof(rp)); | |
b1078ad0 | 2850 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk); |
a8a1d19e JH |
2851 | goto unlock; |
2852 | } | |
55ed8ca1 | 2853 | |
124f6e35 | 2854 | cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp, |
04124681 | 2855 | sizeof(*cp)); |
a8a1d19e JH |
2856 | if (!cmd) { |
2857 | err = -ENOMEM; | |
2858 | goto unlock; | |
55ed8ca1 JH |
2859 | } |
2860 | ||
d8b7b1e4 JH |
2861 | cmd->cmd_complete = addr_cmd_complete; |
2862 | ||
eb55ef07 | 2863 | dc.handle = cpu_to_le16(conn->handle); |
a8a1d19e JH |
2864 | dc.reason = 0x13; /* Remote User Terminated Connection */ |
2865 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
2866 | if (err < 0) | |
2867 | mgmt_pending_remove(cmd); | |
2868 | ||
55ed8ca1 | 2869 | unlock: |
09fd0de5 | 2870 | hci_dev_unlock(hdev); |
55ed8ca1 JH |
2871 | return err; |
2872 | } | |
2873 | ||
bdb6d971 | 2874 | static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 2875 | u16 len) |
8962ee74 | 2876 | { |
650f726d | 2877 | struct mgmt_cp_disconnect *cp = data; |
06a63b19 | 2878 | struct mgmt_rp_disconnect rp; |
3b0602cd | 2879 | struct mgmt_pending_cmd *cmd; |
8962ee74 | 2880 | struct hci_conn *conn; |
8962ee74 JH |
2881 | int err; |
2882 | ||
2883 | BT_DBG(""); | |
2884 | ||
06a63b19 JH |
2885 | memset(&rp, 0, sizeof(rp)); |
2886 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
2887 | rp.addr.type = cp->addr.type; | |
2888 | ||
4ee71b20 | 2889 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
2890 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
2891 | MGMT_STATUS_INVALID_PARAMS, | |
2892 | &rp, sizeof(rp)); | |
4ee71b20 | 2893 | |
09fd0de5 | 2894 | hci_dev_lock(hdev); |
8962ee74 JH |
2895 | |
2896 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
2a1afb5a JH |
2897 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
2898 | MGMT_STATUS_NOT_POWERED, &rp, | |
2899 | sizeof(rp)); | |
8962ee74 JH |
2900 | goto failed; |
2901 | } | |
2902 | ||
2e58ef3e | 2903 | if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) { |
2a1afb5a JH |
2904 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
2905 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
8962ee74 JH |
2906 | goto failed; |
2907 | } | |
2908 | ||
591f47f3 | 2909 | if (cp->addr.type == BDADDR_BREDR) |
8fc9ced3 GP |
2910 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, |
2911 | &cp->addr.bdaddr); | |
88c3df13 JH |
2912 | else |
2913 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); | |
365227e5 | 2914 | |
f960727e | 2915 | if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) { |
2a1afb5a JH |
2916 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, |
2917 | MGMT_STATUS_NOT_CONNECTED, &rp, | |
2918 | sizeof(rp)); | |
8962ee74 JH |
2919 | goto failed; |
2920 | } | |
2921 | ||
2e58ef3e | 2922 | cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len); |
366a0336 JH |
2923 | if (!cmd) { |
2924 | err = -ENOMEM; | |
8962ee74 | 2925 | goto failed; |
366a0336 | 2926 | } |
8962ee74 | 2927 | |
f5818c22 JH |
2928 | cmd->cmd_complete = generic_cmd_complete; |
2929 | ||
e3f2f92a | 2930 | err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM); |
8962ee74 | 2931 | if (err < 0) |
a664b5bc | 2932 | mgmt_pending_remove(cmd); |
8962ee74 JH |
2933 | |
2934 | failed: | |
09fd0de5 | 2935 | hci_dev_unlock(hdev); |
8962ee74 JH |
2936 | return err; |
2937 | } | |
2938 | ||
57c1477c | 2939 | static u8 link_to_bdaddr(u8 link_type, u8 addr_type) |
4c659c39 JH |
2940 | { |
2941 | switch (link_type) { | |
2942 | case LE_LINK: | |
48264f06 JH |
2943 | switch (addr_type) { |
2944 | case ADDR_LE_DEV_PUBLIC: | |
591f47f3 | 2945 | return BDADDR_LE_PUBLIC; |
0ed09148 | 2946 | |
48264f06 | 2947 | default: |
0ed09148 | 2948 | /* Fallback to LE Random address type */ |
591f47f3 | 2949 | return BDADDR_LE_RANDOM; |
48264f06 | 2950 | } |
0ed09148 | 2951 | |
4c659c39 | 2952 | default: |
0ed09148 | 2953 | /* Fallback to BR/EDR type */ |
591f47f3 | 2954 | return BDADDR_BREDR; |
4c659c39 JH |
2955 | } |
2956 | } | |
2957 | ||
04124681 GP |
2958 | static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data, |
2959 | u16 data_len) | |
2784eb41 | 2960 | { |
2784eb41 | 2961 | struct mgmt_rp_get_connections *rp; |
8035ded4 | 2962 | struct hci_conn *c; |
a38528f1 | 2963 | size_t rp_len; |
60fc5fb6 JH |
2964 | int err; |
2965 | u16 i; | |
2784eb41 JH |
2966 | |
2967 | BT_DBG(""); | |
2968 | ||
09fd0de5 | 2969 | hci_dev_lock(hdev); |
2784eb41 | 2970 | |
5f97c1df | 2971 | if (!hdev_is_powered(hdev)) { |
a69e8375 JH |
2972 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, |
2973 | MGMT_STATUS_NOT_POWERED); | |
5f97c1df JH |
2974 | goto unlock; |
2975 | } | |
2976 | ||
60fc5fb6 | 2977 | i = 0; |
b644ba33 JH |
2978 | list_for_each_entry(c, &hdev->conn_hash.list, list) { |
2979 | if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) | |
60fc5fb6 | 2980 | i++; |
2784eb41 JH |
2981 | } |
2982 | ||
60fc5fb6 | 2983 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); |
92c4c204 | 2984 | rp = kmalloc(rp_len, GFP_KERNEL); |
a38528f1 | 2985 | if (!rp) { |
2784eb41 JH |
2986 | err = -ENOMEM; |
2987 | goto unlock; | |
2988 | } | |
2989 | ||
2784eb41 | 2990 | i = 0; |
4c659c39 | 2991 | list_for_each_entry(c, &hdev->conn_hash.list, list) { |
b644ba33 JH |
2992 | if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) |
2993 | continue; | |
4c659c39 | 2994 | bacpy(&rp->addr[i].bdaddr, &c->dst); |
57c1477c | 2995 | rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type); |
0ed09148 | 2996 | if (c->type == SCO_LINK || c->type == ESCO_LINK) |
4c659c39 JH |
2997 | continue; |
2998 | i++; | |
2999 | } | |
3000 | ||
eb55ef07 | 3001 | rp->conn_count = cpu_to_le16(i); |
60fc5fb6 | 3002 | |
4c659c39 JH |
3003 | /* Recalculate length in case of filtered SCO connections, etc */ |
3004 | rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); | |
2784eb41 | 3005 | |
2a1afb5a JH |
3006 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp, |
3007 | rp_len); | |
2784eb41 | 3008 | |
a38528f1 | 3009 | kfree(rp); |
5f97c1df JH |
3010 | |
3011 | unlock: | |
09fd0de5 | 3012 | hci_dev_unlock(hdev); |
2784eb41 JH |
3013 | return err; |
3014 | } | |
3015 | ||
bdb6d971 | 3016 | static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3017 | struct mgmt_cp_pin_code_neg_reply *cp) |
96d97a67 | 3018 | { |
3b0602cd | 3019 | struct mgmt_pending_cmd *cmd; |
96d97a67 WR |
3020 | int err; |
3021 | ||
2e58ef3e | 3022 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp, |
04124681 | 3023 | sizeof(*cp)); |
96d97a67 WR |
3024 | if (!cmd) |
3025 | return -ENOMEM; | |
3026 | ||
d8457698 | 3027 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
04124681 | 3028 | sizeof(cp->addr.bdaddr), &cp->addr.bdaddr); |
96d97a67 WR |
3029 | if (err < 0) |
3030 | mgmt_pending_remove(cmd); | |
3031 | ||
3032 | return err; | |
3033 | } | |
3034 | ||
bdb6d971 | 3035 | static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3036 | u16 len) |
980e1a53 | 3037 | { |
96d97a67 | 3038 | struct hci_conn *conn; |
650f726d | 3039 | struct mgmt_cp_pin_code_reply *cp = data; |
980e1a53 | 3040 | struct hci_cp_pin_code_reply reply; |
3b0602cd | 3041 | struct mgmt_pending_cmd *cmd; |
980e1a53 JH |
3042 | int err; |
3043 | ||
3044 | BT_DBG(""); | |
3045 | ||
09fd0de5 | 3046 | hci_dev_lock(hdev); |
980e1a53 | 3047 | |
4b34ee78 | 3048 | if (!hdev_is_powered(hdev)) { |
a69e8375 JH |
3049 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
3050 | MGMT_STATUS_NOT_POWERED); | |
980e1a53 JH |
3051 | goto failed; |
3052 | } | |
3053 | ||
d8457698 | 3054 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr); |
96d97a67 | 3055 | if (!conn) { |
a69e8375 JH |
3056 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
3057 | MGMT_STATUS_NOT_CONNECTED); | |
96d97a67 WR |
3058 | goto failed; |
3059 | } | |
3060 | ||
3061 | if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) { | |
d8457698 JH |
3062 | struct mgmt_cp_pin_code_neg_reply ncp; |
3063 | ||
3064 | memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr)); | |
96d97a67 WR |
3065 | |
3066 | BT_ERR("PIN code is not 16 bytes long"); | |
3067 | ||
bdb6d971 | 3068 | err = send_pin_code_neg_reply(sk, hdev, &ncp); |
96d97a67 | 3069 | if (err >= 0) |
a69e8375 JH |
3070 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
3071 | MGMT_STATUS_INVALID_PARAMS); | |
96d97a67 WR |
3072 | |
3073 | goto failed; | |
3074 | } | |
3075 | ||
00abfe44 | 3076 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len); |
366a0336 JH |
3077 | if (!cmd) { |
3078 | err = -ENOMEM; | |
980e1a53 | 3079 | goto failed; |
366a0336 | 3080 | } |
980e1a53 | 3081 | |
7776d1d8 JH |
3082 | cmd->cmd_complete = addr_cmd_complete; |
3083 | ||
d8457698 | 3084 | bacpy(&reply.bdaddr, &cp->addr.bdaddr); |
980e1a53 | 3085 | reply.pin_len = cp->pin_len; |
24718ca5 | 3086 | memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code)); |
980e1a53 JH |
3087 | |
3088 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply); | |
3089 | if (err < 0) | |
a664b5bc | 3090 | mgmt_pending_remove(cmd); |
980e1a53 JH |
3091 | |
3092 | failed: | |
09fd0de5 | 3093 | hci_dev_unlock(hdev); |
980e1a53 JH |
3094 | return err; |
3095 | } | |
3096 | ||
04124681 GP |
3097 | static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data, |
3098 | u16 len) | |
17fa4b9d | 3099 | { |
650f726d | 3100 | struct mgmt_cp_set_io_capability *cp = data; |
17fa4b9d JH |
3101 | |
3102 | BT_DBG(""); | |
3103 | ||
4ec86d4c | 3104 | if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY) |
2a1afb5a JH |
3105 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, |
3106 | MGMT_STATUS_INVALID_PARAMS, NULL, 0); | |
4ec86d4c | 3107 | |
09fd0de5 | 3108 | hci_dev_lock(hdev); |
17fa4b9d JH |
3109 | |
3110 | hdev->io_capability = cp->io_capability; | |
3111 | ||
3112 | BT_DBG("%s IO capability set to 0x%02x", hdev->name, | |
8ce8e2b5 | 3113 | hdev->io_capability); |
17fa4b9d | 3114 | |
09fd0de5 | 3115 | hci_dev_unlock(hdev); |
17fa4b9d | 3116 | |
2a1afb5a JH |
3117 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, |
3118 | NULL, 0); | |
17fa4b9d JH |
3119 | } |
3120 | ||
3b0602cd | 3121 | static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn) |
e9a416b5 JH |
3122 | { |
3123 | struct hci_dev *hdev = conn->hdev; | |
3b0602cd | 3124 | struct mgmt_pending_cmd *cmd; |
e9a416b5 | 3125 | |
2e58ef3e | 3126 | list_for_each_entry(cmd, &hdev->mgmt_pending, list) { |
e9a416b5 JH |
3127 | if (cmd->opcode != MGMT_OP_PAIR_DEVICE) |
3128 | continue; | |
3129 | ||
e9a416b5 JH |
3130 | if (cmd->user_data != conn) |
3131 | continue; | |
3132 | ||
3133 | return cmd; | |
3134 | } | |
3135 | ||
3136 | return NULL; | |
3137 | } | |
3138 | ||
3b0602cd | 3139 | static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status) |
e9a416b5 JH |
3140 | { |
3141 | struct mgmt_rp_pair_device rp; | |
3142 | struct hci_conn *conn = cmd->user_data; | |
9df74653 | 3143 | int err; |
e9a416b5 | 3144 | |
61b1a7fb JH |
3145 | bacpy(&rp.addr.bdaddr, &conn->dst); |
3146 | rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
e9a416b5 | 3147 | |
2a1afb5a JH |
3148 | err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, |
3149 | status, &rp, sizeof(rp)); | |
e9a416b5 JH |
3150 | |
3151 | /* So we don't get further callbacks for this connection */ | |
3152 | conn->connect_cfm_cb = NULL; | |
3153 | conn->security_cfm_cb = NULL; | |
3154 | conn->disconn_cfm_cb = NULL; | |
3155 | ||
76a68ba0 | 3156 | hci_conn_drop(conn); |
89cbb063 AA |
3157 | |
3158 | /* The device is paired so there is no need to remove | |
3159 | * its connection parameters anymore. | |
3160 | */ | |
3161 | clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags); | |
15013aeb JH |
3162 | |
3163 | hci_conn_put(conn); | |
9df74653 JH |
3164 | |
3165 | return err; | |
e9a416b5 JH |
3166 | } |
3167 | ||
f4a407be JH |
3168 | void mgmt_smp_complete(struct hci_conn *conn, bool complete) |
3169 | { | |
3170 | u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED; | |
3b0602cd | 3171 | struct mgmt_pending_cmd *cmd; |
f4a407be JH |
3172 | |
3173 | cmd = find_pairing(conn); | |
a511b35b | 3174 | if (cmd) { |
04ab2749 | 3175 | cmd->cmd_complete(cmd, status); |
a511b35b JH |
3176 | mgmt_pending_remove(cmd); |
3177 | } | |
f4a407be JH |
3178 | } |
3179 | ||
e9a416b5 JH |
3180 | static void pairing_complete_cb(struct hci_conn *conn, u8 status) |
3181 | { | |
3b0602cd | 3182 | struct mgmt_pending_cmd *cmd; |
e9a416b5 JH |
3183 | |
3184 | BT_DBG("status %u", status); | |
3185 | ||
3186 | cmd = find_pairing(conn); | |
a511b35b | 3187 | if (!cmd) { |
e9a416b5 | 3188 | BT_DBG("Unable to find a pending command"); |
a511b35b JH |
3189 | return; |
3190 | } | |
3191 | ||
3192 | cmd->cmd_complete(cmd, mgmt_status(status)); | |
3193 | mgmt_pending_remove(cmd); | |
e9a416b5 JH |
3194 | } |
3195 | ||
f4a407be | 3196 | static void le_pairing_complete_cb(struct hci_conn *conn, u8 status) |
4c47d739 | 3197 | { |
3b0602cd | 3198 | struct mgmt_pending_cmd *cmd; |
4c47d739 VA |
3199 | |
3200 | BT_DBG("status %u", status); | |
3201 | ||
3202 | if (!status) | |
3203 | return; | |
3204 | ||
3205 | cmd = find_pairing(conn); | |
a511b35b | 3206 | if (!cmd) { |
4c47d739 | 3207 | BT_DBG("Unable to find a pending command"); |
a511b35b JH |
3208 | return; |
3209 | } | |
3210 | ||
3211 | cmd->cmd_complete(cmd, mgmt_status(status)); | |
3212 | mgmt_pending_remove(cmd); | |
4c47d739 VA |
3213 | } |
3214 | ||
bdb6d971 | 3215 | static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3216 | u16 len) |
e9a416b5 | 3217 | { |
650f726d | 3218 | struct mgmt_cp_pair_device *cp = data; |
1425acb7 | 3219 | struct mgmt_rp_pair_device rp; |
3b0602cd | 3220 | struct mgmt_pending_cmd *cmd; |
e9a416b5 JH |
3221 | u8 sec_level, auth_type; |
3222 | struct hci_conn *conn; | |
e9a416b5 JH |
3223 | int err; |
3224 | ||
3225 | BT_DBG(""); | |
3226 | ||
f950a30e SJ |
3227 | memset(&rp, 0, sizeof(rp)); |
3228 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
3229 | rp.addr.type = cp->addr.type; | |
3230 | ||
4ee71b20 | 3231 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
3232 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3233 | MGMT_STATUS_INVALID_PARAMS, | |
3234 | &rp, sizeof(rp)); | |
4ee71b20 | 3235 | |
4ec86d4c | 3236 | if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY) |
2a1afb5a JH |
3237 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3238 | MGMT_STATUS_INVALID_PARAMS, | |
3239 | &rp, sizeof(rp)); | |
4ec86d4c | 3240 | |
09fd0de5 | 3241 | hci_dev_lock(hdev); |
e9a416b5 | 3242 | |
5f97c1df | 3243 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
3244 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3245 | MGMT_STATUS_NOT_POWERED, &rp, | |
3246 | sizeof(rp)); | |
5f97c1df JH |
3247 | goto unlock; |
3248 | } | |
3249 | ||
55e76b38 JH |
3250 | if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) { |
3251 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, | |
3252 | MGMT_STATUS_ALREADY_PAIRED, &rp, | |
3253 | sizeof(rp)); | |
3254 | goto unlock; | |
3255 | } | |
3256 | ||
c908df36 | 3257 | sec_level = BT_SECURITY_MEDIUM; |
6fd6b915 | 3258 | auth_type = HCI_AT_DEDICATED_BONDING; |
e9a416b5 | 3259 | |
6f77d8c7 | 3260 | if (cp->addr.type == BDADDR_BREDR) { |
04a6c589 AG |
3261 | conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level, |
3262 | auth_type); | |
6f77d8c7 AG |
3263 | } else { |
3264 | u8 addr_type; | |
3265 | ||
3266 | /* Convert from L2CAP channel address type to HCI address type | |
3267 | */ | |
3268 | if (cp->addr.type == BDADDR_LE_PUBLIC) | |
3269 | addr_type = ADDR_LE_DEV_PUBLIC; | |
3270 | else | |
3271 | addr_type = ADDR_LE_DEV_RANDOM; | |
3272 | ||
7c264b10 MH |
3273 | /* When pairing a new device, it is expected to remember |
3274 | * this device for future connections. Adding the connection | |
3275 | * parameter information ahead of time allows tracking | |
3276 | * of the slave preferred values and will speed up any | |
3277 | * further connection establishment. | |
3278 | * | |
3279 | * If connection parameters already exist, then they | |
3280 | * will be kept and this function does nothing. | |
3281 | */ | |
3282 | hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type); | |
3283 | ||
6f77d8c7 | 3284 | conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type, |
e804d25d JH |
3285 | sec_level, HCI_LE_CONN_TIMEOUT, |
3286 | HCI_ROLE_MASTER); | |
6f77d8c7 | 3287 | } |
7a512d01 | 3288 | |
30e76272 | 3289 | if (IS_ERR(conn)) { |
489dc48e AK |
3290 | int status; |
3291 | ||
3292 | if (PTR_ERR(conn) == -EBUSY) | |
3293 | status = MGMT_STATUS_BUSY; | |
faa81030 LR |
3294 | else if (PTR_ERR(conn) == -EOPNOTSUPP) |
3295 | status = MGMT_STATUS_NOT_SUPPORTED; | |
3296 | else if (PTR_ERR(conn) == -ECONNREFUSED) | |
3297 | status = MGMT_STATUS_REJECTED; | |
489dc48e AK |
3298 | else |
3299 | status = MGMT_STATUS_CONNECT_FAILED; | |
3300 | ||
2a1afb5a JH |
3301 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3302 | status, &rp, sizeof(rp)); | |
e9a416b5 JH |
3303 | goto unlock; |
3304 | } | |
3305 | ||
3306 | if (conn->connect_cfm_cb) { | |
76a68ba0 | 3307 | hci_conn_drop(conn); |
2a1afb5a JH |
3308 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
3309 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
e9a416b5 JH |
3310 | goto unlock; |
3311 | } | |
3312 | ||
2e58ef3e | 3313 | cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len); |
e9a416b5 JH |
3314 | if (!cmd) { |
3315 | err = -ENOMEM; | |
76a68ba0 | 3316 | hci_conn_drop(conn); |
e9a416b5 JH |
3317 | goto unlock; |
3318 | } | |
3319 | ||
04ab2749 JH |
3320 | cmd->cmd_complete = pairing_complete; |
3321 | ||
7a512d01 | 3322 | /* For LE, just connecting isn't a proof that the pairing finished */ |
f4a407be | 3323 | if (cp->addr.type == BDADDR_BREDR) { |
7a512d01 | 3324 | conn->connect_cfm_cb = pairing_complete_cb; |
f4a407be JH |
3325 | conn->security_cfm_cb = pairing_complete_cb; |
3326 | conn->disconn_cfm_cb = pairing_complete_cb; | |
3327 | } else { | |
3328 | conn->connect_cfm_cb = le_pairing_complete_cb; | |
3329 | conn->security_cfm_cb = le_pairing_complete_cb; | |
3330 | conn->disconn_cfm_cb = le_pairing_complete_cb; | |
3331 | } | |
7a512d01 | 3332 | |
e9a416b5 | 3333 | conn->io_capability = cp->io_cap; |
f8aaf9b6 | 3334 | cmd->user_data = hci_conn_get(conn); |
e9a416b5 | 3335 | |
6f78fd4b | 3336 | if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) && |
a511b35b JH |
3337 | hci_conn_security(conn, sec_level, auth_type, true)) { |
3338 | cmd->cmd_complete(cmd, 0); | |
3339 | mgmt_pending_remove(cmd); | |
3340 | } | |
e9a416b5 JH |
3341 | |
3342 | err = 0; | |
3343 | ||
3344 | unlock: | |
09fd0de5 | 3345 | hci_dev_unlock(hdev); |
e9a416b5 JH |
3346 | return err; |
3347 | } | |
3348 | ||
04124681 GP |
3349 | static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
3350 | u16 len) | |
28424707 | 3351 | { |
0f4e68cf | 3352 | struct mgmt_addr_info *addr = data; |
3b0602cd | 3353 | struct mgmt_pending_cmd *cmd; |
28424707 JH |
3354 | struct hci_conn *conn; |
3355 | int err; | |
3356 | ||
3357 | BT_DBG(""); | |
3358 | ||
28424707 JH |
3359 | hci_dev_lock(hdev); |
3360 | ||
5f97c1df | 3361 | if (!hdev_is_powered(hdev)) { |
a69e8375 JH |
3362 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
3363 | MGMT_STATUS_NOT_POWERED); | |
5f97c1df JH |
3364 | goto unlock; |
3365 | } | |
3366 | ||
28424707 JH |
3367 | cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev); |
3368 | if (!cmd) { | |
a69e8375 JH |
3369 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
3370 | MGMT_STATUS_INVALID_PARAMS); | |
28424707 JH |
3371 | goto unlock; |
3372 | } | |
3373 | ||
3374 | conn = cmd->user_data; | |
3375 | ||
3376 | if (bacmp(&addr->bdaddr, &conn->dst) != 0) { | |
a69e8375 JH |
3377 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
3378 | MGMT_STATUS_INVALID_PARAMS); | |
28424707 JH |
3379 | goto unlock; |
3380 | } | |
3381 | ||
a511b35b JH |
3382 | cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED); |
3383 | mgmt_pending_remove(cmd); | |
28424707 | 3384 | |
2a1afb5a JH |
3385 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0, |
3386 | addr, sizeof(*addr)); | |
28424707 JH |
3387 | unlock: |
3388 | hci_dev_unlock(hdev); | |
28424707 JH |
3389 | return err; |
3390 | } | |
3391 | ||
bdb6d971 | 3392 | static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, |
1707c60e | 3393 | struct mgmt_addr_info *addr, u16 mgmt_op, |
04124681 | 3394 | u16 hci_op, __le32 passkey) |
a5c29683 | 3395 | { |
3b0602cd | 3396 | struct mgmt_pending_cmd *cmd; |
0df4c185 | 3397 | struct hci_conn *conn; |
a5c29683 JH |
3398 | int err; |
3399 | ||
09fd0de5 | 3400 | hci_dev_lock(hdev); |
08ba5382 | 3401 | |
4b34ee78 | 3402 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
3403 | err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
3404 | MGMT_STATUS_NOT_POWERED, addr, | |
3405 | sizeof(*addr)); | |
0df4c185 | 3406 | goto done; |
a5c29683 JH |
3407 | } |
3408 | ||
1707c60e JH |
3409 | if (addr->type == BDADDR_BREDR) |
3410 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr); | |
272d90df | 3411 | else |
1707c60e | 3412 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr); |
272d90df JH |
3413 | |
3414 | if (!conn) { | |
2a1afb5a JH |
3415 | err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
3416 | MGMT_STATUS_NOT_CONNECTED, addr, | |
3417 | sizeof(*addr)); | |
272d90df JH |
3418 | goto done; |
3419 | } | |
47c15e2b | 3420 | |
1707c60e | 3421 | if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) { |
5fe57d9e | 3422 | err = smp_user_confirm_reply(conn, mgmt_op, passkey); |
5fe57d9e | 3423 | if (!err) |
2a1afb5a JH |
3424 | err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
3425 | MGMT_STATUS_SUCCESS, addr, | |
3426 | sizeof(*addr)); | |
5fe57d9e | 3427 | else |
2a1afb5a JH |
3428 | err = mgmt_cmd_complete(sk, hdev->id, mgmt_op, |
3429 | MGMT_STATUS_FAILED, addr, | |
3430 | sizeof(*addr)); | |
47c15e2b | 3431 | |
47c15e2b BG |
3432 | goto done; |
3433 | } | |
3434 | ||
1707c60e | 3435 | cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr)); |
a5c29683 JH |
3436 | if (!cmd) { |
3437 | err = -ENOMEM; | |
0df4c185 | 3438 | goto done; |
a5c29683 JH |
3439 | } |
3440 | ||
7776d1d8 JH |
3441 | cmd->cmd_complete = addr_cmd_complete; |
3442 | ||
0df4c185 | 3443 | /* Continue with pairing via HCI */ |
604086b7 BG |
3444 | if (hci_op == HCI_OP_USER_PASSKEY_REPLY) { |
3445 | struct hci_cp_user_passkey_reply cp; | |
3446 | ||
1707c60e | 3447 | bacpy(&cp.bdaddr, &addr->bdaddr); |
604086b7 BG |
3448 | cp.passkey = passkey; |
3449 | err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp); | |
3450 | } else | |
1707c60e JH |
3451 | err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr), |
3452 | &addr->bdaddr); | |
604086b7 | 3453 | |
a664b5bc JH |
3454 | if (err < 0) |
3455 | mgmt_pending_remove(cmd); | |
a5c29683 | 3456 | |
0df4c185 | 3457 | done: |
09fd0de5 | 3458 | hci_dev_unlock(hdev); |
a5c29683 JH |
3459 | return err; |
3460 | } | |
3461 | ||
afeb019d JK |
3462 | static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
3463 | void *data, u16 len) | |
3464 | { | |
3465 | struct mgmt_cp_pin_code_neg_reply *cp = data; | |
3466 | ||
3467 | BT_DBG(""); | |
3468 | ||
1707c60e | 3469 | return user_pairing_resp(sk, hdev, &cp->addr, |
afeb019d JK |
3470 | MGMT_OP_PIN_CODE_NEG_REPLY, |
3471 | HCI_OP_PIN_CODE_NEG_REPLY, 0); | |
3472 | } | |
3473 | ||
04124681 GP |
3474 | static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
3475 | u16 len) | |
0df4c185 | 3476 | { |
650f726d | 3477 | struct mgmt_cp_user_confirm_reply *cp = data; |
0df4c185 BG |
3478 | |
3479 | BT_DBG(""); | |
3480 | ||
3481 | if (len != sizeof(*cp)) | |
a69e8375 JH |
3482 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY, |
3483 | MGMT_STATUS_INVALID_PARAMS); | |
0df4c185 | 3484 | |
1707c60e | 3485 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3486 | MGMT_OP_USER_CONFIRM_REPLY, |
3487 | HCI_OP_USER_CONFIRM_REPLY, 0); | |
0df4c185 BG |
3488 | } |
3489 | ||
bdb6d971 | 3490 | static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3491 | void *data, u16 len) |
0df4c185 | 3492 | { |
c9c2659f | 3493 | struct mgmt_cp_user_confirm_neg_reply *cp = data; |
0df4c185 BG |
3494 | |
3495 | BT_DBG(""); | |
3496 | ||
1707c60e | 3497 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3498 | MGMT_OP_USER_CONFIRM_NEG_REPLY, |
3499 | HCI_OP_USER_CONFIRM_NEG_REPLY, 0); | |
0df4c185 BG |
3500 | } |
3501 | ||
04124681 GP |
3502 | static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
3503 | u16 len) | |
604086b7 | 3504 | { |
650f726d | 3505 | struct mgmt_cp_user_passkey_reply *cp = data; |
604086b7 BG |
3506 | |
3507 | BT_DBG(""); | |
3508 | ||
1707c60e | 3509 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3510 | MGMT_OP_USER_PASSKEY_REPLY, |
3511 | HCI_OP_USER_PASSKEY_REPLY, cp->passkey); | |
604086b7 BG |
3512 | } |
3513 | ||
bdb6d971 | 3514 | static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3515 | void *data, u16 len) |
604086b7 | 3516 | { |
650f726d | 3517 | struct mgmt_cp_user_passkey_neg_reply *cp = data; |
604086b7 BG |
3518 | |
3519 | BT_DBG(""); | |
3520 | ||
1707c60e | 3521 | return user_pairing_resp(sk, hdev, &cp->addr, |
04124681 GP |
3522 | MGMT_OP_USER_PASSKEY_NEG_REPLY, |
3523 | HCI_OP_USER_PASSKEY_NEG_REPLY, 0); | |
604086b7 BG |
3524 | } |
3525 | ||
13928971 | 3526 | static void update_name(struct hci_request *req) |
2b4bf397 | 3527 | { |
13928971 | 3528 | struct hci_dev *hdev = req->hdev; |
2b4bf397 JH |
3529 | struct hci_cp_write_local_name cp; |
3530 | ||
13928971 | 3531 | memcpy(cp.name, hdev->dev_name, sizeof(cp.name)); |
2b4bf397 | 3532 | |
890ea898 | 3533 | hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp); |
2b4bf397 JH |
3534 | } |
3535 | ||
1904a853 | 3536 | static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
13928971 JH |
3537 | { |
3538 | struct mgmt_cp_set_local_name *cp; | |
3b0602cd | 3539 | struct mgmt_pending_cmd *cmd; |
13928971 JH |
3540 | |
3541 | BT_DBG("status 0x%02x", status); | |
3542 | ||
3543 | hci_dev_lock(hdev); | |
3544 | ||
3545 | cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); | |
3546 | if (!cmd) | |
3547 | goto unlock; | |
3548 | ||
3549 | cp = cmd->param; | |
3550 | ||
3551 | if (status) | |
a69e8375 JH |
3552 | mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, |
3553 | mgmt_status(status)); | |
13928971 | 3554 | else |
2a1afb5a JH |
3555 | mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
3556 | cp, sizeof(*cp)); | |
13928971 JH |
3557 | |
3558 | mgmt_pending_remove(cmd); | |
3559 | ||
3560 | unlock: | |
3561 | hci_dev_unlock(hdev); | |
3562 | } | |
3563 | ||
bdb6d971 | 3564 | static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 3565 | u16 len) |
b312b161 | 3566 | { |
2b4bf397 | 3567 | struct mgmt_cp_set_local_name *cp = data; |
3b0602cd | 3568 | struct mgmt_pending_cmd *cmd; |
890ea898 | 3569 | struct hci_request req; |
b312b161 JH |
3570 | int err; |
3571 | ||
3572 | BT_DBG(""); | |
3573 | ||
09fd0de5 | 3574 | hci_dev_lock(hdev); |
b312b161 | 3575 | |
b3f2ca94 JH |
3576 | /* If the old values are the same as the new ones just return a |
3577 | * direct command complete event. | |
3578 | */ | |
3579 | if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) && | |
3580 | !memcmp(hdev->short_name, cp->short_name, | |
3581 | sizeof(hdev->short_name))) { | |
2a1afb5a JH |
3582 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
3583 | data, len); | |
b3f2ca94 JH |
3584 | goto failed; |
3585 | } | |
3586 | ||
2b4bf397 | 3587 | memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name)); |
28cc7bde | 3588 | |
b5235a65 | 3589 | if (!hdev_is_powered(hdev)) { |
2b4bf397 | 3590 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); |
28cc7bde | 3591 | |
2a1afb5a JH |
3592 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
3593 | data, len); | |
28cc7bde JH |
3594 | if (err < 0) |
3595 | goto failed; | |
3596 | ||
3597 | err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len, | |
04124681 | 3598 | sk); |
28cc7bde | 3599 | |
b5235a65 JH |
3600 | goto failed; |
3601 | } | |
3602 | ||
28cc7bde | 3603 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len); |
b312b161 JH |
3604 | if (!cmd) { |
3605 | err = -ENOMEM; | |
3606 | goto failed; | |
3607 | } | |
3608 | ||
13928971 JH |
3609 | memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); |
3610 | ||
890ea898 | 3611 | hci_req_init(&req, hdev); |
3f985050 JH |
3612 | |
3613 | if (lmp_bredr_capable(hdev)) { | |
3614 | update_name(&req); | |
3615 | update_eir(&req); | |
3616 | } | |
3617 | ||
7a5f4990 MH |
3618 | /* The name is stored in the scan response data and so |
3619 | * no need to udpate the advertising data here. | |
3620 | */ | |
3f985050 | 3621 | if (lmp_le_capable(hdev)) |
7a5f4990 | 3622 | update_scan_rsp_data(&req); |
3f985050 | 3623 | |
13928971 | 3624 | err = hci_req_run(&req, set_name_complete); |
b312b161 JH |
3625 | if (err < 0) |
3626 | mgmt_pending_remove(cmd); | |
3627 | ||
3628 | failed: | |
09fd0de5 | 3629 | hci_dev_unlock(hdev); |
b312b161 JH |
3630 | return err; |
3631 | } | |
3632 | ||
0f4e68cf | 3633 | static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3634 | void *data, u16 data_len) |
c35938b2 | 3635 | { |
3b0602cd | 3636 | struct mgmt_pending_cmd *cmd; |
c35938b2 SJ |
3637 | int err; |
3638 | ||
bdb6d971 | 3639 | BT_DBG("%s", hdev->name); |
c35938b2 | 3640 | |
09fd0de5 | 3641 | hci_dev_lock(hdev); |
c35938b2 | 3642 | |
4b34ee78 | 3643 | if (!hdev_is_powered(hdev)) { |
a69e8375 JH |
3644 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
3645 | MGMT_STATUS_NOT_POWERED); | |
c35938b2 SJ |
3646 | goto unlock; |
3647 | } | |
3648 | ||
9a1a1996 | 3649 | if (!lmp_ssp_capable(hdev)) { |
a69e8375 JH |
3650 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
3651 | MGMT_STATUS_NOT_SUPPORTED); | |
c35938b2 SJ |
3652 | goto unlock; |
3653 | } | |
3654 | ||
2e58ef3e | 3655 | if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) { |
a69e8375 JH |
3656 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
3657 | MGMT_STATUS_BUSY); | |
c35938b2 SJ |
3658 | goto unlock; |
3659 | } | |
3660 | ||
2e58ef3e | 3661 | cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0); |
c35938b2 SJ |
3662 | if (!cmd) { |
3663 | err = -ENOMEM; | |
3664 | goto unlock; | |
3665 | } | |
3666 | ||
710f11c0 | 3667 | if (bredr_sc_enabled(hdev)) |
4d2d2796 MH |
3668 | err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA, |
3669 | 0, NULL); | |
3670 | else | |
3671 | err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); | |
3672 | ||
c35938b2 SJ |
3673 | if (err < 0) |
3674 | mgmt_pending_remove(cmd); | |
3675 | ||
3676 | unlock: | |
09fd0de5 | 3677 | hci_dev_unlock(hdev); |
c35938b2 SJ |
3678 | return err; |
3679 | } | |
3680 | ||
bdb6d971 | 3681 | static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3682 | void *data, u16 len) |
2763eda6 | 3683 | { |
5d57e796 | 3684 | struct mgmt_addr_info *addr = data; |
2763eda6 SJ |
3685 | int err; |
3686 | ||
bdb6d971 | 3687 | BT_DBG("%s ", hdev->name); |
2763eda6 | 3688 | |
5d57e796 | 3689 | if (!bdaddr_type_is_valid(addr->type)) |
2a1afb5a JH |
3690 | return mgmt_cmd_complete(sk, hdev->id, |
3691 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3692 | MGMT_STATUS_INVALID_PARAMS, | |
3693 | addr, sizeof(*addr)); | |
5d57e796 | 3694 | |
09fd0de5 | 3695 | hci_dev_lock(hdev); |
2763eda6 | 3696 | |
ec109113 MH |
3697 | if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) { |
3698 | struct mgmt_cp_add_remote_oob_data *cp = data; | |
3699 | u8 status; | |
bf1e3541 | 3700 | |
c19a495c | 3701 | if (cp->addr.type != BDADDR_BREDR) { |
2a1afb5a JH |
3702 | err = mgmt_cmd_complete(sk, hdev->id, |
3703 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3704 | MGMT_STATUS_INVALID_PARAMS, | |
3705 | &cp->addr, sizeof(cp->addr)); | |
c19a495c JH |
3706 | goto unlock; |
3707 | } | |
3708 | ||
ec109113 | 3709 | err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, |
6928a924 JH |
3710 | cp->addr.type, cp->hash, |
3711 | cp->rand, NULL, NULL); | |
ec109113 MH |
3712 | if (err < 0) |
3713 | status = MGMT_STATUS_FAILED; | |
3714 | else | |
3715 | status = MGMT_STATUS_SUCCESS; | |
3716 | ||
2a1afb5a JH |
3717 | err = mgmt_cmd_complete(sk, hdev->id, |
3718 | MGMT_OP_ADD_REMOTE_OOB_DATA, status, | |
3719 | &cp->addr, sizeof(cp->addr)); | |
ec109113 MH |
3720 | } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) { |
3721 | struct mgmt_cp_add_remote_oob_ext_data *cp = data; | |
41bcfd50 | 3722 | u8 *rand192, *hash192, *rand256, *hash256; |
ec109113 MH |
3723 | u8 status; |
3724 | ||
86df9200 | 3725 | if (bdaddr_type_is_le(cp->addr.type)) { |
d25b78e2 JH |
3726 | /* Enforce zero-valued 192-bit parameters as |
3727 | * long as legacy SMP OOB isn't implemented. | |
3728 | */ | |
3729 | if (memcmp(cp->rand192, ZERO_KEY, 16) || | |
3730 | memcmp(cp->hash192, ZERO_KEY, 16)) { | |
2a1afb5a JH |
3731 | err = mgmt_cmd_complete(sk, hdev->id, |
3732 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3733 | MGMT_STATUS_INVALID_PARAMS, | |
3734 | addr, sizeof(*addr)); | |
d25b78e2 JH |
3735 | goto unlock; |
3736 | } | |
3737 | ||
86df9200 JH |
3738 | rand192 = NULL; |
3739 | hash192 = NULL; | |
3740 | } else { | |
41bcfd50 MH |
3741 | /* In case one of the P-192 values is set to zero, |
3742 | * then just disable OOB data for P-192. | |
3743 | */ | |
3744 | if (!memcmp(cp->rand192, ZERO_KEY, 16) || | |
3745 | !memcmp(cp->hash192, ZERO_KEY, 16)) { | |
3746 | rand192 = NULL; | |
3747 | hash192 = NULL; | |
3748 | } else { | |
3749 | rand192 = cp->rand192; | |
3750 | hash192 = cp->hash192; | |
3751 | } | |
3752 | } | |
3753 | ||
3754 | /* In case one of the P-256 values is set to zero, then just | |
3755 | * disable OOB data for P-256. | |
3756 | */ | |
3757 | if (!memcmp(cp->rand256, ZERO_KEY, 16) || | |
3758 | !memcmp(cp->hash256, ZERO_KEY, 16)) { | |
3759 | rand256 = NULL; | |
3760 | hash256 = NULL; | |
3761 | } else { | |
3762 | rand256 = cp->rand256; | |
3763 | hash256 = cp->hash256; | |
86df9200 JH |
3764 | } |
3765 | ||
81328d5c | 3766 | err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, |
86df9200 | 3767 | cp->addr.type, hash192, rand192, |
41bcfd50 | 3768 | hash256, rand256); |
ec109113 MH |
3769 | if (err < 0) |
3770 | status = MGMT_STATUS_FAILED; | |
3771 | else | |
3772 | status = MGMT_STATUS_SUCCESS; | |
3773 | ||
2a1afb5a JH |
3774 | err = mgmt_cmd_complete(sk, hdev->id, |
3775 | MGMT_OP_ADD_REMOTE_OOB_DATA, | |
3776 | status, &cp->addr, sizeof(cp->addr)); | |
ec109113 MH |
3777 | } else { |
3778 | BT_ERR("add_remote_oob_data: invalid length of %u bytes", len); | |
a69e8375 JH |
3779 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, |
3780 | MGMT_STATUS_INVALID_PARAMS); | |
ec109113 | 3781 | } |
2763eda6 | 3782 | |
c19a495c | 3783 | unlock: |
09fd0de5 | 3784 | hci_dev_unlock(hdev); |
2763eda6 SJ |
3785 | return err; |
3786 | } | |
3787 | ||
bdb6d971 | 3788 | static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
8ce8e2b5 | 3789 | void *data, u16 len) |
2763eda6 | 3790 | { |
650f726d | 3791 | struct mgmt_cp_remove_remote_oob_data *cp = data; |
bf1e3541 | 3792 | u8 status; |
2763eda6 SJ |
3793 | int err; |
3794 | ||
bdb6d971 | 3795 | BT_DBG("%s", hdev->name); |
2763eda6 | 3796 | |
c19a495c | 3797 | if (cp->addr.type != BDADDR_BREDR) |
2a1afb5a JH |
3798 | return mgmt_cmd_complete(sk, hdev->id, |
3799 | MGMT_OP_REMOVE_REMOTE_OOB_DATA, | |
3800 | MGMT_STATUS_INVALID_PARAMS, | |
3801 | &cp->addr, sizeof(cp->addr)); | |
c19a495c | 3802 | |
09fd0de5 | 3803 | hci_dev_lock(hdev); |
2763eda6 | 3804 | |
eedbd581 JH |
3805 | if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { |
3806 | hci_remote_oob_data_clear(hdev); | |
3807 | status = MGMT_STATUS_SUCCESS; | |
3808 | goto done; | |
3809 | } | |
3810 | ||
6928a924 | 3811 | err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type); |
2763eda6 | 3812 | if (err < 0) |
bf1e3541 | 3813 | status = MGMT_STATUS_INVALID_PARAMS; |
2763eda6 | 3814 | else |
a6785be2 | 3815 | status = MGMT_STATUS_SUCCESS; |
bf1e3541 | 3816 | |
eedbd581 | 3817 | done: |
2a1afb5a JH |
3818 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA, |
3819 | status, &cp->addr, sizeof(cp->addr)); | |
2763eda6 | 3820 | |
09fd0de5 | 3821 | hci_dev_unlock(hdev); |
2763eda6 SJ |
3822 | return err; |
3823 | } | |
3824 | ||
8019044d | 3825 | static bool trigger_discovery(struct hci_request *req, u8 *status) |
41dc2bd6 | 3826 | { |
8019044d MH |
3827 | struct hci_dev *hdev = req->hdev; |
3828 | struct hci_cp_le_set_scan_param param_cp; | |
3829 | struct hci_cp_le_set_scan_enable enable_cp; | |
3830 | struct hci_cp_inquiry inq_cp; | |
3831 | /* General inquiry access code (GIAC) */ | |
3832 | u8 lap[3] = { 0x33, 0x8b, 0x9e }; | |
3833 | u8 own_addr_type; | |
41dc2bd6 AG |
3834 | int err; |
3835 | ||
8019044d MH |
3836 | switch (hdev->discovery.type) { |
3837 | case DISCOV_TYPE_BREDR: | |
3838 | *status = mgmt_bredr_support(hdev); | |
3839 | if (*status) | |
3840 | return false; | |
41dc2bd6 | 3841 | |
8019044d MH |
3842 | if (test_bit(HCI_INQUIRY, &hdev->flags)) { |
3843 | *status = MGMT_STATUS_BUSY; | |
3844 | return false; | |
3845 | } | |
41dc2bd6 | 3846 | |
8019044d | 3847 | hci_inquiry_cache_flush(hdev); |
41dc2bd6 | 3848 | |
8019044d MH |
3849 | memset(&inq_cp, 0, sizeof(inq_cp)); |
3850 | memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap)); | |
3851 | inq_cp.length = DISCOV_BREDR_INQUIRY_LEN; | |
3852 | hci_req_add(req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp); | |
3853 | break; | |
41dc2bd6 | 3854 | |
8019044d MH |
3855 | case DISCOV_TYPE_LE: |
3856 | case DISCOV_TYPE_INTERLEAVED: | |
3857 | *status = mgmt_le_support(hdev); | |
3858 | if (*status) | |
3859 | return false; | |
3860 | ||
3861 | if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED && | |
d7a5a11d | 3862 | !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
8019044d MH |
3863 | *status = MGMT_STATUS_NOT_SUPPORTED; |
3864 | return false; | |
3865 | } | |
3866 | ||
d7a5a11d | 3867 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) { |
8019044d MH |
3868 | /* Don't let discovery abort an outgoing |
3869 | * connection attempt that's using directed | |
3870 | * advertising. | |
3871 | */ | |
3872 | if (hci_conn_hash_lookup_state(hdev, LE_LINK, | |
3873 | BT_CONNECT)) { | |
3874 | *status = MGMT_STATUS_REJECTED; | |
3875 | return false; | |
3876 | } | |
3877 | ||
3878 | disable_advertising(req); | |
3879 | } | |
3880 | ||
3881 | /* If controller is scanning, it means the background scanning | |
3882 | * is running. Thus, we should temporarily stop it in order to | |
3883 | * set the discovery scanning parameters. | |
3884 | */ | |
d7a5a11d | 3885 | if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) |
8019044d MH |
3886 | hci_req_add_le_scan_disable(req); |
3887 | ||
3888 | memset(¶m_cp, 0, sizeof(param_cp)); | |
3889 | ||
3890 | /* All active scans will be done with either a resolvable | |
3891 | * private address (when privacy feature has been enabled) | |
9437d2ed | 3892 | * or non-resolvable private address. |
8019044d MH |
3893 | */ |
3894 | err = hci_update_random_address(req, true, &own_addr_type); | |
3895 | if (err < 0) { | |
3896 | *status = MGMT_STATUS_FAILED; | |
3897 | return false; | |
3898 | } | |
3899 | ||
3900 | param_cp.type = LE_SCAN_ACTIVE; | |
3901 | param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT); | |
3902 | param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN); | |
3903 | param_cp.own_address_type = own_addr_type; | |
3904 | hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp), | |
3905 | ¶m_cp); | |
3906 | ||
3907 | memset(&enable_cp, 0, sizeof(enable_cp)); | |
3908 | enable_cp.enable = LE_SCAN_ENABLE; | |
3909 | enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE; | |
3910 | hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp), | |
3911 | &enable_cp); | |
3912 | break; | |
3913 | ||
3914 | default: | |
3915 | *status = MGMT_STATUS_INVALID_PARAMS; | |
3916 | return false; | |
3917 | } | |
3918 | ||
3919 | return true; | |
41dc2bd6 AG |
3920 | } |
3921 | ||
1904a853 MH |
3922 | static void start_discovery_complete(struct hci_dev *hdev, u8 status, |
3923 | u16 opcode) | |
7c307720 | 3924 | { |
3b0602cd | 3925 | struct mgmt_pending_cmd *cmd; |
11e6e25d | 3926 | unsigned long timeout; |
ae55f598 | 3927 | |
7c307720 AG |
3928 | BT_DBG("status %d", status); |
3929 | ||
11e6e25d | 3930 | hci_dev_lock(hdev); |
41dc2bd6 | 3931 | |
11e6e25d | 3932 | cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); |
66ea9427 JP |
3933 | if (!cmd) |
3934 | cmd = mgmt_pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev); | |
3935 | ||
11e6e25d | 3936 | if (cmd) { |
2922a94f | 3937 | cmd->cmd_complete(cmd, mgmt_status(status)); |
11e6e25d MH |
3938 | mgmt_pending_remove(cmd); |
3939 | } | |
7c307720 AG |
3940 | |
3941 | if (status) { | |
11e6e25d MH |
3942 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
3943 | goto unlock; | |
7c307720 AG |
3944 | } |
3945 | ||
7c307720 | 3946 | hci_discovery_set_state(hdev, DISCOVERY_FINDING); |
7c307720 | 3947 | |
2d28cfe7 JP |
3948 | /* If the scan involves LE scan, pick proper timeout to schedule |
3949 | * hdev->le_scan_disable that will stop it. | |
3950 | */ | |
7c307720 AG |
3951 | switch (hdev->discovery.type) { |
3952 | case DISCOV_TYPE_LE: | |
3d5a76f0 | 3953 | timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT); |
7c307720 | 3954 | break; |
7c307720 | 3955 | case DISCOV_TYPE_INTERLEAVED: |
b9a7a61e | 3956 | timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout); |
7c307720 | 3957 | break; |
7c307720 | 3958 | case DISCOV_TYPE_BREDR: |
11e6e25d | 3959 | timeout = 0; |
7c307720 | 3960 | break; |
7c307720 AG |
3961 | default: |
3962 | BT_ERR("Invalid discovery type %d", hdev->discovery.type); | |
11e6e25d MH |
3963 | timeout = 0; |
3964 | break; | |
7c307720 | 3965 | } |
ae55f598 | 3966 | |
2d28cfe7 JP |
3967 | if (timeout) { |
3968 | /* When service discovery is used and the controller has | |
3969 | * a strict duplicate filter, it is important to remember | |
3970 | * the start and duration of the scan. This is required | |
3971 | * for restarting scanning during the discovery phase. | |
3972 | */ | |
3973 | if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, | |
3974 | &hdev->quirks) && | |
82f8b651 | 3975 | hdev->discovery.result_filtering) { |
2d28cfe7 JP |
3976 | hdev->discovery.scan_start = jiffies; |
3977 | hdev->discovery.scan_duration = timeout; | |
3978 | } | |
3979 | ||
11e6e25d MH |
3980 | queue_delayed_work(hdev->workqueue, |
3981 | &hdev->le_scan_disable, timeout); | |
2d28cfe7 | 3982 | } |
ae55f598 | 3983 | |
11e6e25d MH |
3984 | unlock: |
3985 | hci_dev_unlock(hdev); | |
7c307720 AG |
3986 | } |
3987 | ||
bdb6d971 | 3988 | static int start_discovery(struct sock *sk, struct hci_dev *hdev, |
04124681 | 3989 | void *data, u16 len) |
14a53664 | 3990 | { |
650f726d | 3991 | struct mgmt_cp_start_discovery *cp = data; |
3b0602cd | 3992 | struct mgmt_pending_cmd *cmd; |
7c307720 | 3993 | struct hci_request req; |
8019044d | 3994 | u8 status; |
14a53664 JH |
3995 | int err; |
3996 | ||
bdb6d971 | 3997 | BT_DBG("%s", hdev->name); |
14a53664 | 3998 | |
09fd0de5 | 3999 | hci_dev_lock(hdev); |
14a53664 | 4000 | |
4b34ee78 | 4001 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
4002 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
4003 | MGMT_STATUS_NOT_POWERED, | |
4004 | &cp->type, sizeof(cp->type)); | |
bd2d1334 JH |
4005 | goto failed; |
4006 | } | |
4007 | ||
f5a969f2 | 4008 | if (hdev->discovery.state != DISCOVERY_STOPPED || |
d7a5a11d | 4009 | hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) { |
2a1afb5a JH |
4010 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
4011 | MGMT_STATUS_BUSY, &cp->type, | |
4012 | sizeof(cp->type)); | |
642be6c7 AG |
4013 | goto failed; |
4014 | } | |
4015 | ||
2922a94f | 4016 | cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len); |
14a53664 JH |
4017 | if (!cmd) { |
4018 | err = -ENOMEM; | |
4019 | goto failed; | |
4020 | } | |
4021 | ||
2922a94f JH |
4022 | cmd->cmd_complete = generic_cmd_complete; |
4023 | ||
22078800 MH |
4024 | /* Clear the discovery filter first to free any previously |
4025 | * allocated memory for the UUID list. | |
4026 | */ | |
4027 | hci_discovery_filter_clear(hdev); | |
4028 | ||
4aab14e5 | 4029 | hdev->discovery.type = cp->type; |
da25cf6a | 4030 | hdev->discovery.report_invalid_rssi = false; |
4aab14e5 | 4031 | |
7c307720 AG |
4032 | hci_req_init(&req, hdev); |
4033 | ||
8019044d | 4034 | if (!trigger_discovery(&req, &status)) { |
2a1afb5a JH |
4035 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
4036 | status, &cp->type, sizeof(cp->type)); | |
04106755 JH |
4037 | mgmt_pending_remove(cmd); |
4038 | goto failed; | |
f39799f5 | 4039 | } |
04106755 | 4040 | |
7c307720 | 4041 | err = hci_req_run(&req, start_discovery_complete); |
f5a969f2 | 4042 | if (err < 0) { |
14a53664 | 4043 | mgmt_pending_remove(cmd); |
f5a969f2 MH |
4044 | goto failed; |
4045 | } | |
7c307720 | 4046 | |
f5a969f2 | 4047 | hci_discovery_set_state(hdev, DISCOVERY_STARTING); |
7c307720 | 4048 | |
14a53664 | 4049 | failed: |
09fd0de5 | 4050 | hci_dev_unlock(hdev); |
14a53664 JH |
4051 | return err; |
4052 | } | |
f39799f5 | 4053 | |
3b0602cd JH |
4054 | static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd, |
4055 | u8 status) | |
2922a94f | 4056 | { |
2a1afb5a JH |
4057 | return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, |
4058 | cmd->param, 1); | |
2922a94f | 4059 | } |
04106755 | 4060 | |
66ea9427 JP |
4061 | static int start_service_discovery(struct sock *sk, struct hci_dev *hdev, |
4062 | void *data, u16 len) | |
4063 | { | |
4064 | struct mgmt_cp_start_service_discovery *cp = data; | |
3b0602cd | 4065 | struct mgmt_pending_cmd *cmd; |
66ea9427 JP |
4066 | struct hci_request req; |
4067 | const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16); | |
4068 | u16 uuid_count, expected_len; | |
4069 | u8 status; | |
4070 | int err; | |
04106755 | 4071 | |
66ea9427 | 4072 | BT_DBG("%s", hdev->name); |
e8bb6b97 | 4073 | |
66ea9427 | 4074 | hci_dev_lock(hdev); |
7c307720 | 4075 | |
66ea9427 | 4076 | if (!hdev_is_powered(hdev)) { |
2a1afb5a JH |
4077 | err = mgmt_cmd_complete(sk, hdev->id, |
4078 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4079 | MGMT_STATUS_NOT_POWERED, | |
4080 | &cp->type, sizeof(cp->type)); | |
66ea9427 JP |
4081 | goto failed; |
4082 | } | |
7c307720 | 4083 | |
66ea9427 | 4084 | if (hdev->discovery.state != DISCOVERY_STOPPED || |
d7a5a11d | 4085 | hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) { |
2a1afb5a JH |
4086 | err = mgmt_cmd_complete(sk, hdev->id, |
4087 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4088 | MGMT_STATUS_BUSY, &cp->type, | |
4089 | sizeof(cp->type)); | |
66ea9427 JP |
4090 | goto failed; |
4091 | } | |
d9483943 | 4092 | |
66ea9427 JP |
4093 | uuid_count = __le16_to_cpu(cp->uuid_count); |
4094 | if (uuid_count > max_uuid_count) { | |
4095 | BT_ERR("service_discovery: too big uuid_count value %u", | |
4096 | uuid_count); | |
2a1afb5a JH |
4097 | err = mgmt_cmd_complete(sk, hdev->id, |
4098 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4099 | MGMT_STATUS_INVALID_PARAMS, &cp->type, | |
4100 | sizeof(cp->type)); | |
66ea9427 JP |
4101 | goto failed; |
4102 | } | |
4103 | ||
4104 | expected_len = sizeof(*cp) + uuid_count * 16; | |
4105 | if (expected_len != len) { | |
4106 | BT_ERR("service_discovery: expected %u bytes, got %u bytes", | |
4107 | expected_len, len); | |
2a1afb5a JH |
4108 | err = mgmt_cmd_complete(sk, hdev->id, |
4109 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4110 | MGMT_STATUS_INVALID_PARAMS, &cp->type, | |
4111 | sizeof(cp->type)); | |
66ea9427 JP |
4112 | goto failed; |
4113 | } | |
4114 | ||
4115 | cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY, | |
2922a94f | 4116 | hdev, data, len); |
66ea9427 JP |
4117 | if (!cmd) { |
4118 | err = -ENOMEM; | |
4119 | goto failed; | |
4120 | } | |
4121 | ||
2922a94f JH |
4122 | cmd->cmd_complete = service_discovery_cmd_complete; |
4123 | ||
22078800 MH |
4124 | /* Clear the discovery filter first to free any previously |
4125 | * allocated memory for the UUID list. | |
4126 | */ | |
4127 | hci_discovery_filter_clear(hdev); | |
4128 | ||
82f8b651 | 4129 | hdev->discovery.result_filtering = true; |
66ea9427 JP |
4130 | hdev->discovery.type = cp->type; |
4131 | hdev->discovery.rssi = cp->rssi; | |
4132 | hdev->discovery.uuid_count = uuid_count; | |
4133 | ||
4134 | if (uuid_count > 0) { | |
4135 | hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16, | |
4136 | GFP_KERNEL); | |
4137 | if (!hdev->discovery.uuids) { | |
2a1afb5a JH |
4138 | err = mgmt_cmd_complete(sk, hdev->id, |
4139 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4140 | MGMT_STATUS_FAILED, | |
4141 | &cp->type, sizeof(cp->type)); | |
d9483943 JH |
4142 | mgmt_pending_remove(cmd); |
4143 | goto failed; | |
4144 | } | |
66ea9427 | 4145 | } |
d9483943 | 4146 | |
66ea9427 | 4147 | hci_req_init(&req, hdev); |
5e0452c0 | 4148 | |
66ea9427 | 4149 | if (!trigger_discovery(&req, &status)) { |
2a1afb5a JH |
4150 | err = mgmt_cmd_complete(sk, hdev->id, |
4151 | MGMT_OP_START_SERVICE_DISCOVERY, | |
4152 | status, &cp->type, sizeof(cp->type)); | |
04106755 JH |
4153 | mgmt_pending_remove(cmd); |
4154 | goto failed; | |
f39799f5 | 4155 | } |
3fd24153 | 4156 | |
7c307720 | 4157 | err = hci_req_run(&req, start_discovery_complete); |
66ea9427 | 4158 | if (err < 0) { |
14a53664 | 4159 | mgmt_pending_remove(cmd); |
66ea9427 JP |
4160 | goto failed; |
4161 | } | |
4162 | ||
4163 | hci_discovery_set_state(hdev, DISCOVERY_STARTING); | |
14a53664 JH |
4164 | |
4165 | failed: | |
09fd0de5 | 4166 | hci_dev_unlock(hdev); |
14a53664 JH |
4167 | return err; |
4168 | } | |
4169 | ||
1904a853 | 4170 | static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
1183fdca | 4171 | { |
3b0602cd | 4172 | struct mgmt_pending_cmd *cmd; |
1183fdca | 4173 | |
0e05bba6 AG |
4174 | BT_DBG("status %d", status); |
4175 | ||
4176 | hci_dev_lock(hdev); | |
4177 | ||
11e6e25d MH |
4178 | cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); |
4179 | if (cmd) { | |
2922a94f | 4180 | cmd->cmd_complete(cmd, mgmt_status(status)); |
11e6e25d | 4181 | mgmt_pending_remove(cmd); |
0e05bba6 AG |
4182 | } |
4183 | ||
11e6e25d MH |
4184 | if (!status) |
4185 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); | |
0e05bba6 | 4186 | |
0e05bba6 AG |
4187 | hci_dev_unlock(hdev); |
4188 | } | |
4189 | ||
bdb6d971 | 4190 | static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 4191 | u16 len) |
14a53664 | 4192 | { |
d930650b | 4193 | struct mgmt_cp_stop_discovery *mgmt_cp = data; |
3b0602cd | 4194 | struct mgmt_pending_cmd *cmd; |
0e05bba6 | 4195 | struct hci_request req; |
14a53664 JH |
4196 | int err; |
4197 | ||
bdb6d971 | 4198 | BT_DBG("%s", hdev->name); |
14a53664 | 4199 | |
09fd0de5 | 4200 | hci_dev_lock(hdev); |
14a53664 | 4201 | |
30dc78e1 | 4202 | if (!hci_discovery_active(hdev)) { |
2a1afb5a JH |
4203 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
4204 | MGMT_STATUS_REJECTED, &mgmt_cp->type, | |
4205 | sizeof(mgmt_cp->type)); | |
d930650b JH |
4206 | goto unlock; |
4207 | } | |
4208 | ||
4209 | if (hdev->discovery.type != mgmt_cp->type) { | |
2a1afb5a JH |
4210 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
4211 | MGMT_STATUS_INVALID_PARAMS, | |
4212 | &mgmt_cp->type, sizeof(mgmt_cp->type)); | |
30dc78e1 | 4213 | goto unlock; |
ff9ef578 JH |
4214 | } |
4215 | ||
2922a94f | 4216 | cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len); |
14a53664 JH |
4217 | if (!cmd) { |
4218 | err = -ENOMEM; | |
30dc78e1 JH |
4219 | goto unlock; |
4220 | } | |
4221 | ||
2922a94f JH |
4222 | cmd->cmd_complete = generic_cmd_complete; |
4223 | ||
0e05bba6 AG |
4224 | hci_req_init(&req, hdev); |
4225 | ||
21a60d30 | 4226 | hci_stop_discovery(&req); |
e0d9727e | 4227 | |
21a60d30 JH |
4228 | err = hci_req_run(&req, stop_discovery_complete); |
4229 | if (!err) { | |
4230 | hci_discovery_set_state(hdev, DISCOVERY_STOPPING); | |
0e05bba6 | 4231 | goto unlock; |
14a53664 JH |
4232 | } |
4233 | ||
21a60d30 JH |
4234 | mgmt_pending_remove(cmd); |
4235 | ||
4236 | /* If no HCI commands were sent we're done */ | |
4237 | if (err == -ENODATA) { | |
2a1afb5a JH |
4238 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0, |
4239 | &mgmt_cp->type, sizeof(mgmt_cp->type)); | |
21a60d30 JH |
4240 | hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
4241 | } | |
14a53664 | 4242 | |
30dc78e1 | 4243 | unlock: |
09fd0de5 | 4244 | hci_dev_unlock(hdev); |
14a53664 JH |
4245 | return err; |
4246 | } | |
4247 | ||
bdb6d971 | 4248 | static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 4249 | u16 len) |
561aafbc | 4250 | { |
650f726d | 4251 | struct mgmt_cp_confirm_name *cp = data; |
561aafbc | 4252 | struct inquiry_entry *e; |
561aafbc JH |
4253 | int err; |
4254 | ||
bdb6d971 | 4255 | BT_DBG("%s", hdev->name); |
561aafbc | 4256 | |
561aafbc JH |
4257 | hci_dev_lock(hdev); |
4258 | ||
30dc78e1 | 4259 | if (!hci_discovery_active(hdev)) { |
2a1afb5a JH |
4260 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
4261 | MGMT_STATUS_FAILED, &cp->addr, | |
4262 | sizeof(cp->addr)); | |
30dc78e1 JH |
4263 | goto failed; |
4264 | } | |
4265 | ||
a198e7b1 | 4266 | e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr); |
561aafbc | 4267 | if (!e) { |
2a1afb5a JH |
4268 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
4269 | MGMT_STATUS_INVALID_PARAMS, &cp->addr, | |
4270 | sizeof(cp->addr)); | |
561aafbc JH |
4271 | goto failed; |
4272 | } | |
4273 | ||
4274 | if (cp->name_known) { | |
4275 | e->name_state = NAME_KNOWN; | |
4276 | list_del(&e->list); | |
4277 | } else { | |
4278 | e->name_state = NAME_NEEDED; | |
a3d4e20a | 4279 | hci_inquiry_cache_update_resolve(hdev, e); |
561aafbc JH |
4280 | } |
4281 | ||
2a1afb5a JH |
4282 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, |
4283 | &cp->addr, sizeof(cp->addr)); | |
561aafbc JH |
4284 | |
4285 | failed: | |
4286 | hci_dev_unlock(hdev); | |
561aafbc JH |
4287 | return err; |
4288 | } | |
4289 | ||
bdb6d971 | 4290 | static int block_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 4291 | u16 len) |
7fbec224 | 4292 | { |
650f726d | 4293 | struct mgmt_cp_block_device *cp = data; |
f0eeea8b | 4294 | u8 status; |
7fbec224 AJ |
4295 | int err; |
4296 | ||
bdb6d971 | 4297 | BT_DBG("%s", hdev->name); |
7fbec224 | 4298 | |
4ee71b20 | 4299 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
4300 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, |
4301 | MGMT_STATUS_INVALID_PARAMS, | |
4302 | &cp->addr, sizeof(cp->addr)); | |
4ee71b20 | 4303 | |
09fd0de5 | 4304 | hci_dev_lock(hdev); |
5e762444 | 4305 | |
dcc36c16 JH |
4306 | err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr, |
4307 | cp->addr.type); | |
2a8357f2 | 4308 | if (err < 0) { |
f0eeea8b | 4309 | status = MGMT_STATUS_FAILED; |
2a8357f2 JH |
4310 | goto done; |
4311 | } | |
4312 | ||
4313 | mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr), | |
4314 | sk); | |
4315 | status = MGMT_STATUS_SUCCESS; | |
f0eeea8b | 4316 | |
2a8357f2 | 4317 | done: |
2a1afb5a JH |
4318 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status, |
4319 | &cp->addr, sizeof(cp->addr)); | |
5e762444 | 4320 | |
09fd0de5 | 4321 | hci_dev_unlock(hdev); |
7fbec224 AJ |
4322 | |
4323 | return err; | |
4324 | } | |
4325 | ||
bdb6d971 | 4326 | static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data, |
04124681 | 4327 | u16 len) |
7fbec224 | 4328 | { |
650f726d | 4329 | struct mgmt_cp_unblock_device *cp = data; |
f0eeea8b | 4330 | u8 status; |
7fbec224 AJ |
4331 | int err; |
4332 | ||
bdb6d971 | 4333 | BT_DBG("%s", hdev->name); |
7fbec224 | 4334 | |
4ee71b20 | 4335 | if (!bdaddr_type_is_valid(cp->addr.type)) |
2a1afb5a JH |
4336 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, |
4337 | MGMT_STATUS_INVALID_PARAMS, | |
4338 | &cp->addr, sizeof(cp->addr)); | |
4ee71b20 | 4339 | |
09fd0de5 | 4340 | hci_dev_lock(hdev); |
5e762444 | 4341 | |
dcc36c16 JH |
4342 | err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr, |
4343 | cp->addr.type); | |
2a8357f2 | 4344 | if (err < 0) { |
f0eeea8b | 4345 | status = MGMT_STATUS_INVALID_PARAMS; |
2a8357f2 JH |
4346 | goto done; |
4347 | } | |
4348 | ||
4349 | mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr), | |
4350 | sk); | |
4351 | status = MGMT_STATUS_SUCCESS; | |
f0eeea8b | 4352 | |
2a8357f2 | 4353 | done: |
2a1afb5a JH |
4354 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status, |
4355 | &cp->addr, sizeof(cp->addr)); | |
5e762444 | 4356 | |
09fd0de5 | 4357 | hci_dev_unlock(hdev); |
7fbec224 AJ |
4358 | |
4359 | return err; | |
4360 | } | |
4361 | ||
cdbaccca MH |
4362 | static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, |
4363 | u16 len) | |
4364 | { | |
4365 | struct mgmt_cp_set_device_id *cp = data; | |
890ea898 | 4366 | struct hci_request req; |
cdbaccca | 4367 | int err; |
c72d4b8a | 4368 | __u16 source; |
cdbaccca MH |
4369 | |
4370 | BT_DBG("%s", hdev->name); | |
4371 | ||
c72d4b8a SJ |
4372 | source = __le16_to_cpu(cp->source); |
4373 | ||
4374 | if (source > 0x0002) | |
a69e8375 JH |
4375 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, |
4376 | MGMT_STATUS_INVALID_PARAMS); | |
c72d4b8a | 4377 | |
cdbaccca MH |
4378 | hci_dev_lock(hdev); |
4379 | ||
c72d4b8a | 4380 | hdev->devid_source = source; |
cdbaccca MH |
4381 | hdev->devid_vendor = __le16_to_cpu(cp->vendor); |
4382 | hdev->devid_product = __le16_to_cpu(cp->product); | |
4383 | hdev->devid_version = __le16_to_cpu(cp->version); | |
4384 | ||
2a1afb5a JH |
4385 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, |
4386 | NULL, 0); | |
cdbaccca | 4387 | |
890ea898 JH |
4388 | hci_req_init(&req, hdev); |
4389 | update_eir(&req); | |
4390 | hci_req_run(&req, NULL); | |
cdbaccca MH |
4391 | |
4392 | hci_dev_unlock(hdev); | |
4393 | ||
4394 | return err; | |
4395 | } | |
4396 | ||
1904a853 MH |
4397 | static void set_advertising_complete(struct hci_dev *hdev, u8 status, |
4398 | u16 opcode) | |
4375f103 JH |
4399 | { |
4400 | struct cmd_lookup match = { NULL, hdev }; | |
4401 | ||
3ad67582 JK |
4402 | hci_dev_lock(hdev); |
4403 | ||
4375f103 JH |
4404 | if (status) { |
4405 | u8 mgmt_err = mgmt_status(status); | |
4406 | ||
4407 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, | |
4408 | cmd_status_rsp, &mgmt_err); | |
3ad67582 | 4409 | goto unlock; |
4375f103 JH |
4410 | } |
4411 | ||
d7a5a11d | 4412 | if (hci_dev_test_flag(hdev, HCI_LE_ADV)) |
a1536da2 | 4413 | hci_dev_set_flag(hdev, HCI_ADVERTISING); |
c93bd150 | 4414 | else |
a358dc11 | 4415 | hci_dev_clear_flag(hdev, HCI_ADVERTISING); |
c93bd150 | 4416 | |
4375f103 JH |
4417 | mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp, |
4418 | &match); | |
4419 | ||
4420 | new_settings(hdev, match.sk); | |
4421 | ||
4422 | if (match.sk) | |
4423 | sock_put(match.sk); | |
3ad67582 JK |
4424 | |
4425 | unlock: | |
4426 | hci_dev_unlock(hdev); | |
4375f103 JH |
4427 | } |
4428 | ||
21b5187f MH |
4429 | static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data, |
4430 | u16 len) | |
4375f103 JH |
4431 | { |
4432 | struct mgmt_mode *cp = data; | |
3b0602cd | 4433 | struct mgmt_pending_cmd *cmd; |
4375f103 | 4434 | struct hci_request req; |
cc91cb04 | 4435 | u8 val, status; |
4375f103 JH |
4436 | int err; |
4437 | ||
4438 | BT_DBG("request for %s", hdev->name); | |
4439 | ||
e6fe7986 JH |
4440 | status = mgmt_le_support(hdev); |
4441 | if (status) | |
a69e8375 JH |
4442 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
4443 | status); | |
4375f103 | 4444 | |
cc91cb04 | 4445 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
a69e8375 JH |
4446 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
4447 | MGMT_STATUS_INVALID_PARAMS); | |
4375f103 JH |
4448 | |
4449 | hci_dev_lock(hdev); | |
4450 | ||
4451 | val = !!cp->val; | |
4375f103 | 4452 | |
f74ca9b8 JH |
4453 | /* The following conditions are ones which mean that we should |
4454 | * not do any HCI communication but directly send a mgmt | |
4455 | * response to user space (after toggling the flag if | |
4456 | * necessary). | |
4457 | */ | |
cc91cb04 | 4458 | if (!hdev_is_powered(hdev) || |
d7a5a11d MH |
4459 | (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) && |
4460 | (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) || | |
e8bb6b97 | 4461 | hci_conn_num(hdev, LE_LINK) > 0 || |
d7a5a11d | 4462 | (hci_dev_test_flag(hdev, HCI_LE_SCAN) && |
e8bb6b97 | 4463 | hdev->le_scan_type == LE_SCAN_ACTIVE)) { |
cc91cb04 | 4464 | bool changed; |
4375f103 | 4465 | |
cc91cb04 MH |
4466 | if (cp->val) { |
4467 | changed = !test_and_set_bit(HCI_ADVERTISING, | |
4468 | &hdev->dev_flags); | |
4469 | if (cp->val == 0x02) | |
a1536da2 | 4470 | hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
cc91cb04 | 4471 | else |
a358dc11 | 4472 | hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
cc91cb04 MH |
4473 | } else { |
4474 | changed = test_and_clear_bit(HCI_ADVERTISING, | |
4475 | &hdev->dev_flags); | |
a358dc11 | 4476 | hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
4375f103 JH |
4477 | } |
4478 | ||
4479 | err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev); | |
4480 | if (err < 0) | |
4481 | goto unlock; | |
4482 | ||
4483 | if (changed) | |
4484 | err = new_settings(hdev, sk); | |
4485 | ||
4486 | goto unlock; | |
4487 | } | |
4488 | ||
4489 | if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) || | |
4490 | mgmt_pending_find(MGMT_OP_SET_LE, hdev)) { | |
a69e8375 JH |
4491 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, |
4492 | MGMT_STATUS_BUSY); | |
4375f103 JH |
4493 | goto unlock; |
4494 | } | |
4495 | ||
4496 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len); | |
4497 | if (!cmd) { | |
4498 | err = -ENOMEM; | |
4499 | goto unlock; | |
4500 | } | |
4501 | ||
4502 | hci_req_init(&req, hdev); | |
4503 | ||
cc91cb04 | 4504 | if (cp->val == 0x02) |
a1536da2 | 4505 | hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
cc91cb04 | 4506 | else |
a358dc11 | 4507 | hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE); |
cc91cb04 | 4508 | |
bba3aa55 MH |
4509 | if (val) |
4510 | enable_advertising(&req); | |
4511 | else | |
4512 | disable_advertising(&req); | |
4375f103 JH |
4513 | |
4514 | err = hci_req_run(&req, set_advertising_complete); | |
4515 | if (err < 0) | |
4516 | mgmt_pending_remove(cmd); | |
4517 | ||
4518 | unlock: | |
4519 | hci_dev_unlock(hdev); | |
4520 | return err; | |
4521 | } | |
4522 | ||
d13eafce MH |
4523 | static int set_static_address(struct sock *sk, struct hci_dev *hdev, |
4524 | void *data, u16 len) | |
4525 | { | |
4526 | struct mgmt_cp_set_static_address *cp = data; | |
4527 | int err; | |
4528 | ||
4529 | BT_DBG("%s", hdev->name); | |
4530 | ||
62af4443 | 4531 | if (!lmp_le_capable(hdev)) |
a69e8375 JH |
4532 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, |
4533 | MGMT_STATUS_NOT_SUPPORTED); | |
d13eafce MH |
4534 | |
4535 | if (hdev_is_powered(hdev)) | |
a69e8375 JH |
4536 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, |
4537 | MGMT_STATUS_REJECTED); | |
d13eafce MH |
4538 | |
4539 | if (bacmp(&cp->bdaddr, BDADDR_ANY)) { | |
4540 | if (!bacmp(&cp->bdaddr, BDADDR_NONE)) | |
a69e8375 JH |
4541 | return mgmt_cmd_status(sk, hdev->id, |
4542 | MGMT_OP_SET_STATIC_ADDRESS, | |
4543 | MGMT_STATUS_INVALID_PARAMS); | |
d13eafce MH |
4544 | |
4545 | /* Two most significant bits shall be set */ | |
4546 | if ((cp->bdaddr.b[5] & 0xc0) != 0xc0) | |
a69e8375 JH |
4547 | return mgmt_cmd_status(sk, hdev->id, |
4548 | MGMT_OP_SET_STATIC_ADDRESS, | |
4549 | MGMT_STATUS_INVALID_PARAMS); | |
d13eafce MH |
4550 | } |
4551 | ||
4552 | hci_dev_lock(hdev); | |
4553 | ||
4554 | bacpy(&hdev->static_addr, &cp->bdaddr); | |
4555 | ||
93690c22 MH |
4556 | err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev); |
4557 | if (err < 0) | |
4558 | goto unlock; | |
4559 | ||
4560 | err = new_settings(hdev, sk); | |
d13eafce | 4561 | |
93690c22 | 4562 | unlock: |
d13eafce | 4563 | hci_dev_unlock(hdev); |
d13eafce MH |
4564 | return err; |
4565 | } | |
4566 | ||
14b49b9a MH |
4567 | static int set_scan_params(struct sock *sk, struct hci_dev *hdev, |
4568 | void *data, u16 len) | |
4569 | { | |
4570 | struct mgmt_cp_set_scan_params *cp = data; | |
4571 | __u16 interval, window; | |
4572 | int err; | |
4573 | ||
4574 | BT_DBG("%s", hdev->name); | |
4575 | ||
4576 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
4577 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
4578 | MGMT_STATUS_NOT_SUPPORTED); | |
14b49b9a MH |
4579 | |
4580 | interval = __le16_to_cpu(cp->interval); | |
4581 | ||
4582 | if (interval < 0x0004 || interval > 0x4000) | |
a69e8375 JH |
4583 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
4584 | MGMT_STATUS_INVALID_PARAMS); | |
14b49b9a MH |
4585 | |
4586 | window = __le16_to_cpu(cp->window); | |
4587 | ||
4588 | if (window < 0x0004 || window > 0x4000) | |
a69e8375 JH |
4589 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
4590 | MGMT_STATUS_INVALID_PARAMS); | |
14b49b9a | 4591 | |
899e1075 | 4592 | if (window > interval) |
a69e8375 JH |
4593 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, |
4594 | MGMT_STATUS_INVALID_PARAMS); | |
899e1075 | 4595 | |
14b49b9a MH |
4596 | hci_dev_lock(hdev); |
4597 | ||
4598 | hdev->le_scan_interval = interval; | |
4599 | hdev->le_scan_window = window; | |
4600 | ||
2a1afb5a JH |
4601 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, |
4602 | NULL, 0); | |
14b49b9a | 4603 | |
dd2ef8e2 AG |
4604 | /* If background scan is running, restart it so new parameters are |
4605 | * loaded. | |
4606 | */ | |
d7a5a11d | 4607 | if (hci_dev_test_flag(hdev, HCI_LE_SCAN) && |
dd2ef8e2 AG |
4608 | hdev->discovery.state == DISCOVERY_STOPPED) { |
4609 | struct hci_request req; | |
4610 | ||
4611 | hci_req_init(&req, hdev); | |
4612 | ||
4613 | hci_req_add_le_scan_disable(&req); | |
4614 | hci_req_add_le_passive_scan(&req); | |
4615 | ||
4616 | hci_req_run(&req, NULL); | |
4617 | } | |
4618 | ||
14b49b9a MH |
4619 | hci_dev_unlock(hdev); |
4620 | ||
4621 | return err; | |
4622 | } | |
4623 | ||
1904a853 MH |
4624 | static void fast_connectable_complete(struct hci_dev *hdev, u8 status, |
4625 | u16 opcode) | |
33e38b3e | 4626 | { |
3b0602cd | 4627 | struct mgmt_pending_cmd *cmd; |
33e38b3e JH |
4628 | |
4629 | BT_DBG("status 0x%02x", status); | |
4630 | ||
4631 | hci_dev_lock(hdev); | |
4632 | ||
4633 | cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev); | |
4634 | if (!cmd) | |
4635 | goto unlock; | |
4636 | ||
4637 | if (status) { | |
a69e8375 JH |
4638 | mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
4639 | mgmt_status(status)); | |
33e38b3e | 4640 | } else { |
1a4d3c4b JH |
4641 | struct mgmt_mode *cp = cmd->param; |
4642 | ||
4643 | if (cp->val) | |
a1536da2 | 4644 | hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE); |
1a4d3c4b | 4645 | else |
a358dc11 | 4646 | hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE); |
1a4d3c4b | 4647 | |
33e38b3e JH |
4648 | send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev); |
4649 | new_settings(hdev, cmd->sk); | |
4650 | } | |
4651 | ||
4652 | mgmt_pending_remove(cmd); | |
4653 | ||
4654 | unlock: | |
4655 | hci_dev_unlock(hdev); | |
4656 | } | |
4657 | ||
bdb6d971 | 4658 | static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, |
04124681 | 4659 | void *data, u16 len) |
f6422ec6 | 4660 | { |
650f726d | 4661 | struct mgmt_mode *cp = data; |
3b0602cd | 4662 | struct mgmt_pending_cmd *cmd; |
33e38b3e | 4663 | struct hci_request req; |
f6422ec6 AJ |
4664 | int err; |
4665 | ||
bdb6d971 | 4666 | BT_DBG("%s", hdev->name); |
f6422ec6 | 4667 | |
d7a5a11d | 4668 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) || |
56f87901 | 4669 | hdev->hci_ver < BLUETOOTH_VER_1_2) |
a69e8375 JH |
4670 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
4671 | MGMT_STATUS_NOT_SUPPORTED); | |
33c525c0 | 4672 | |
a7e80f25 | 4673 | if (cp->val != 0x00 && cp->val != 0x01) |
a69e8375 JH |
4674 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
4675 | MGMT_STATUS_INVALID_PARAMS); | |
a7e80f25 | 4676 | |
f6422ec6 AJ |
4677 | hci_dev_lock(hdev); |
4678 | ||
05cbf29f | 4679 | if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) { |
a69e8375 JH |
4680 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
4681 | MGMT_STATUS_BUSY); | |
05cbf29f JH |
4682 | goto unlock; |
4683 | } | |
4684 | ||
d7a5a11d | 4685 | if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) { |
1a4d3c4b JH |
4686 | err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, |
4687 | hdev); | |
4688 | goto unlock; | |
4689 | } | |
4690 | ||
406ef2a6 | 4691 | if (!hdev_is_powered(hdev)) { |
ce05d603 | 4692 | hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE); |
406ef2a6 JH |
4693 | err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, |
4694 | hdev); | |
4695 | new_settings(hdev, sk); | |
4696 | goto unlock; | |
4697 | } | |
4698 | ||
33e38b3e JH |
4699 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev, |
4700 | data, len); | |
4701 | if (!cmd) { | |
4702 | err = -ENOMEM; | |
4703 | goto unlock; | |
f6422ec6 AJ |
4704 | } |
4705 | ||
33e38b3e JH |
4706 | hci_req_init(&req, hdev); |
4707 | ||
406d7804 | 4708 | write_fast_connectable(&req, cp->val); |
33e38b3e JH |
4709 | |
4710 | err = hci_req_run(&req, fast_connectable_complete); | |
f6422ec6 | 4711 | if (err < 0) { |
a69e8375 JH |
4712 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
4713 | MGMT_STATUS_FAILED); | |
33e38b3e | 4714 | mgmt_pending_remove(cmd); |
f6422ec6 AJ |
4715 | } |
4716 | ||
33e38b3e | 4717 | unlock: |
f6422ec6 | 4718 | hci_dev_unlock(hdev); |
33e38b3e | 4719 | |
f6422ec6 AJ |
4720 | return err; |
4721 | } | |
4722 | ||
1904a853 | 4723 | static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
0663ca2a | 4724 | { |
3b0602cd | 4725 | struct mgmt_pending_cmd *cmd; |
0663ca2a JH |
4726 | |
4727 | BT_DBG("status 0x%02x", status); | |
4728 | ||
4729 | hci_dev_lock(hdev); | |
4730 | ||
4731 | cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev); | |
4732 | if (!cmd) | |
4733 | goto unlock; | |
4734 | ||
4735 | if (status) { | |
4736 | u8 mgmt_err = mgmt_status(status); | |
4737 | ||
4738 | /* We need to restore the flag if related HCI commands | |
4739 | * failed. | |
4740 | */ | |
a358dc11 | 4741 | hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED); |
0663ca2a | 4742 | |
a69e8375 | 4743 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); |
0663ca2a JH |
4744 | } else { |
4745 | send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev); | |
4746 | new_settings(hdev, cmd->sk); | |
4747 | } | |
4748 | ||
4749 | mgmt_pending_remove(cmd); | |
4750 | ||
4751 | unlock: | |
4752 | hci_dev_unlock(hdev); | |
4753 | } | |
4754 | ||
4755 | static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) | |
4756 | { | |
4757 | struct mgmt_mode *cp = data; | |
3b0602cd | 4758 | struct mgmt_pending_cmd *cmd; |
0663ca2a JH |
4759 | struct hci_request req; |
4760 | int err; | |
4761 | ||
4762 | BT_DBG("request for %s", hdev->name); | |
4763 | ||
4764 | if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev)) | |
a69e8375 JH |
4765 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
4766 | MGMT_STATUS_NOT_SUPPORTED); | |
0663ca2a | 4767 | |
d7a5a11d | 4768 | if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
a69e8375 JH |
4769 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
4770 | MGMT_STATUS_REJECTED); | |
0663ca2a JH |
4771 | |
4772 | if (cp->val != 0x00 && cp->val != 0x01) | |
a69e8375 JH |
4773 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
4774 | MGMT_STATUS_INVALID_PARAMS); | |
0663ca2a JH |
4775 | |
4776 | hci_dev_lock(hdev); | |
4777 | ||
d7a5a11d | 4778 | if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
0663ca2a JH |
4779 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); |
4780 | goto unlock; | |
4781 | } | |
4782 | ||
4783 | if (!hdev_is_powered(hdev)) { | |
4784 | if (!cp->val) { | |
a358dc11 MH |
4785 | hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); |
4786 | hci_dev_clear_flag(hdev, HCI_SSP_ENABLED); | |
4787 | hci_dev_clear_flag(hdev, HCI_LINK_SECURITY); | |
4788 | hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE); | |
4789 | hci_dev_clear_flag(hdev, HCI_HS_ENABLED); | |
0663ca2a JH |
4790 | } |
4791 | ||
ce05d603 | 4792 | hci_dev_change_flag(hdev, HCI_BREDR_ENABLED); |
0663ca2a JH |
4793 | |
4794 | err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); | |
4795 | if (err < 0) | |
4796 | goto unlock; | |
4797 | ||
4798 | err = new_settings(hdev, sk); | |
4799 | goto unlock; | |
4800 | } | |
4801 | ||
4802 | /* Reject disabling when powered on */ | |
4803 | if (!cp->val) { | |
a69e8375 JH |
4804 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
4805 | MGMT_STATUS_REJECTED); | |
0663ca2a | 4806 | goto unlock; |
111e4bcc MH |
4807 | } else { |
4808 | /* When configuring a dual-mode controller to operate | |
4809 | * with LE only and using a static address, then switching | |
4810 | * BR/EDR back on is not allowed. | |
4811 | * | |
4812 | * Dual-mode controllers shall operate with the public | |
4813 | * address as its identity address for BR/EDR and LE. So | |
4814 | * reject the attempt to create an invalid configuration. | |
3a5486e1 MH |
4815 | * |
4816 | * The same restrictions applies when secure connections | |
4817 | * has been enabled. For BR/EDR this is a controller feature | |
4818 | * while for LE it is a host stack feature. This means that | |
4819 | * switching BR/EDR back on when secure connections has been | |
4820 | * enabled is not a supported transaction. | |
111e4bcc | 4821 | */ |
d7a5a11d | 4822 | if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && |
3a5486e1 | 4823 | (bacmp(&hdev->static_addr, BDADDR_ANY) || |
d7a5a11d | 4824 | hci_dev_test_flag(hdev, HCI_SC_ENABLED))) { |
a69e8375 JH |
4825 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
4826 | MGMT_STATUS_REJECTED); | |
111e4bcc MH |
4827 | goto unlock; |
4828 | } | |
0663ca2a JH |
4829 | } |
4830 | ||
4831 | if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) { | |
a69e8375 JH |
4832 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, |
4833 | MGMT_STATUS_BUSY); | |
0663ca2a JH |
4834 | goto unlock; |
4835 | } | |
4836 | ||
4837 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len); | |
4838 | if (!cmd) { | |
4839 | err = -ENOMEM; | |
4840 | goto unlock; | |
4841 | } | |
4842 | ||
5947f4bc | 4843 | /* We need to flip the bit already here so that update_adv_data |
0663ca2a JH |
4844 | * generates the correct flags. |
4845 | */ | |
a1536da2 | 4846 | hci_dev_set_flag(hdev, HCI_BREDR_ENABLED); |
0663ca2a JH |
4847 | |
4848 | hci_req_init(&req, hdev); | |
aa8af46e | 4849 | |
432df05e | 4850 | write_fast_connectable(&req, false); |
1d2dc5b7 | 4851 | __hci_update_page_scan(&req); |
aa8af46e | 4852 | |
f14d8f64 MH |
4853 | /* Since only the advertising data flags will change, there |
4854 | * is no need to update the scan response data. | |
4855 | */ | |
5947f4bc | 4856 | update_adv_data(&req); |
aa8af46e | 4857 | |
0663ca2a JH |
4858 | err = hci_req_run(&req, set_bredr_complete); |
4859 | if (err < 0) | |
4860 | mgmt_pending_remove(cmd); | |
4861 | ||
4862 | unlock: | |
4863 | hci_dev_unlock(hdev); | |
4864 | return err; | |
4865 | } | |
4866 | ||
a1443f5a JH |
4867 | static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
4868 | { | |
3b0602cd | 4869 | struct mgmt_pending_cmd *cmd; |
a1443f5a JH |
4870 | struct mgmt_mode *cp; |
4871 | ||
4872 | BT_DBG("%s status %u", hdev->name, status); | |
4873 | ||
4874 | hci_dev_lock(hdev); | |
4875 | ||
4876 | cmd = mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev); | |
4877 | if (!cmd) | |
4878 | goto unlock; | |
4879 | ||
4880 | if (status) { | |
a69e8375 JH |
4881 | mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, |
4882 | mgmt_status(status)); | |
a1443f5a JH |
4883 | goto remove; |
4884 | } | |
4885 | ||
4886 | cp = cmd->param; | |
4887 | ||
4888 | switch (cp->val) { | |
4889 | case 0x00: | |
a358dc11 MH |
4890 | hci_dev_clear_flag(hdev, HCI_SC_ENABLED); |
4891 | hci_dev_clear_flag(hdev, HCI_SC_ONLY); | |
a1443f5a JH |
4892 | break; |
4893 | case 0x01: | |
a1536da2 | 4894 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
a358dc11 | 4895 | hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
a1443f5a JH |
4896 | break; |
4897 | case 0x02: | |
a1536da2 MH |
4898 | hci_dev_set_flag(hdev, HCI_SC_ENABLED); |
4899 | hci_dev_set_flag(hdev, HCI_SC_ONLY); | |
a1443f5a JH |
4900 | break; |
4901 | } | |
4902 | ||
4903 | send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev); | |
4904 | new_settings(hdev, cmd->sk); | |
4905 | ||
4906 | remove: | |
4907 | mgmt_pending_remove(cmd); | |
4908 | unlock: | |
4909 | hci_dev_unlock(hdev); | |
4910 | } | |
4911 | ||
eac83dc6 MH |
4912 | static int set_secure_conn(struct sock *sk, struct hci_dev *hdev, |
4913 | void *data, u16 len) | |
4914 | { | |
4915 | struct mgmt_mode *cp = data; | |
3b0602cd | 4916 | struct mgmt_pending_cmd *cmd; |
a1443f5a | 4917 | struct hci_request req; |
a3209694 | 4918 | u8 val; |
eac83dc6 MH |
4919 | int err; |
4920 | ||
4921 | BT_DBG("request for %s", hdev->name); | |
4922 | ||
05b3c3e7 | 4923 | if (!lmp_sc_capable(hdev) && |
d7a5a11d | 4924 | !hci_dev_test_flag(hdev, HCI_LE_ENABLED)) |
a69e8375 JH |
4925 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
4926 | MGMT_STATUS_NOT_SUPPORTED); | |
eac83dc6 | 4927 | |
d7a5a11d | 4928 | if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && |
59200286 | 4929 | lmp_sc_capable(hdev) && |
d7a5a11d | 4930 | !hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) |
a69e8375 JH |
4931 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
4932 | MGMT_STATUS_REJECTED); | |
ed93ec69 | 4933 | |
0ab04a9c | 4934 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
a69e8375 | 4935 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
eac83dc6 MH |
4936 | MGMT_STATUS_INVALID_PARAMS); |
4937 | ||
4938 | hci_dev_lock(hdev); | |
4939 | ||
05b3c3e7 | 4940 | if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) || |
d7a5a11d | 4941 | !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
eac83dc6 MH |
4942 | bool changed; |
4943 | ||
0ab04a9c | 4944 | if (cp->val) { |
eac83dc6 MH |
4945 | changed = !test_and_set_bit(HCI_SC_ENABLED, |
4946 | &hdev->dev_flags); | |
0ab04a9c | 4947 | if (cp->val == 0x02) |
a1536da2 | 4948 | hci_dev_set_flag(hdev, HCI_SC_ONLY); |
0ab04a9c | 4949 | else |
a358dc11 | 4950 | hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
0ab04a9c | 4951 | } else { |
eac83dc6 MH |
4952 | changed = test_and_clear_bit(HCI_SC_ENABLED, |
4953 | &hdev->dev_flags); | |
a358dc11 | 4954 | hci_dev_clear_flag(hdev, HCI_SC_ONLY); |
0ab04a9c | 4955 | } |
eac83dc6 MH |
4956 | |
4957 | err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); | |
4958 | if (err < 0) | |
4959 | goto failed; | |
4960 | ||
4961 | if (changed) | |
4962 | err = new_settings(hdev, sk); | |
4963 | ||
4964 | goto failed; | |
4965 | } | |
4966 | ||
4967 | if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) { | |
a69e8375 JH |
4968 | err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN, |
4969 | MGMT_STATUS_BUSY); | |
eac83dc6 MH |
4970 | goto failed; |
4971 | } | |
4972 | ||
0ab04a9c MH |
4973 | val = !!cp->val; |
4974 | ||
d7a5a11d MH |
4975 | if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) && |
4976 | (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) { | |
eac83dc6 MH |
4977 | err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev); |
4978 | goto failed; | |
4979 | } | |
4980 | ||
4981 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len); | |
4982 | if (!cmd) { | |
4983 | err = -ENOMEM; | |
4984 | goto failed; | |
4985 | } | |
4986 | ||
a1443f5a JH |
4987 | hci_req_init(&req, hdev); |
4988 | hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val); | |
4989 | err = hci_req_run(&req, sc_enable_complete); | |
eac83dc6 MH |
4990 | if (err < 0) { |
4991 | mgmt_pending_remove(cmd); | |
4992 | goto failed; | |
4993 | } | |
4994 | ||
4995 | failed: | |
4996 | hci_dev_unlock(hdev); | |
4997 | return err; | |
4998 | } | |
4999 | ||
4e39ac81 MH |
5000 | static int set_debug_keys(struct sock *sk, struct hci_dev *hdev, |
5001 | void *data, u16 len) | |
5002 | { | |
5003 | struct mgmt_mode *cp = data; | |
b9710979 | 5004 | bool changed, use_changed; |
4e39ac81 MH |
5005 | int err; |
5006 | ||
5007 | BT_DBG("request for %s", hdev->name); | |
5008 | ||
b9710979 | 5009 | if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) |
a69e8375 JH |
5010 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS, |
5011 | MGMT_STATUS_INVALID_PARAMS); | |
4e39ac81 MH |
5012 | |
5013 | hci_dev_lock(hdev); | |
5014 | ||
5015 | if (cp->val) | |
0663b297 JH |
5016 | changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS, |
5017 | &hdev->dev_flags); | |
4e39ac81 | 5018 | else |
0663b297 JH |
5019 | changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS, |
5020 | &hdev->dev_flags); | |
4e39ac81 | 5021 | |
b9710979 JH |
5022 | if (cp->val == 0x02) |
5023 | use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS, | |
5024 | &hdev->dev_flags); | |
5025 | else | |
5026 | use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS, | |
5027 | &hdev->dev_flags); | |
5028 | ||
5029 | if (hdev_is_powered(hdev) && use_changed && | |
d7a5a11d | 5030 | hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
b9710979 JH |
5031 | u8 mode = (cp->val == 0x02) ? 0x01 : 0x00; |
5032 | hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, | |
5033 | sizeof(mode), &mode); | |
5034 | } | |
5035 | ||
4e39ac81 MH |
5036 | err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev); |
5037 | if (err < 0) | |
5038 | goto unlock; | |
5039 | ||
5040 | if (changed) | |
5041 | err = new_settings(hdev, sk); | |
5042 | ||
5043 | unlock: | |
5044 | hci_dev_unlock(hdev); | |
5045 | return err; | |
5046 | } | |
5047 | ||
62b04cd1 JH |
5048 | static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data, |
5049 | u16 len) | |
5050 | { | |
5051 | struct mgmt_cp_set_privacy *cp = cp_data; | |
5052 | bool changed; | |
5053 | int err; | |
5054 | ||
5055 | BT_DBG("request for %s", hdev->name); | |
5056 | ||
5057 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
5058 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, |
5059 | MGMT_STATUS_NOT_SUPPORTED); | |
62b04cd1 JH |
5060 | |
5061 | if (cp->privacy != 0x00 && cp->privacy != 0x01) | |
a69e8375 JH |
5062 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, |
5063 | MGMT_STATUS_INVALID_PARAMS); | |
62b04cd1 JH |
5064 | |
5065 | if (hdev_is_powered(hdev)) | |
a69e8375 JH |
5066 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY, |
5067 | MGMT_STATUS_REJECTED); | |
62b04cd1 JH |
5068 | |
5069 | hci_dev_lock(hdev); | |
5070 | ||
c21c0ea0 JH |
5071 | /* If user space supports this command it is also expected to |
5072 | * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag. | |
5073 | */ | |
a1536da2 | 5074 | hci_dev_set_flag(hdev, HCI_RPA_RESOLVING); |
c21c0ea0 | 5075 | |
62b04cd1 JH |
5076 | if (cp->privacy) { |
5077 | changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags); | |
5078 | memcpy(hdev->irk, cp->irk, sizeof(hdev->irk)); | |
a1536da2 | 5079 | hci_dev_set_flag(hdev, HCI_RPA_EXPIRED); |
62b04cd1 JH |
5080 | } else { |
5081 | changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags); | |
5082 | memset(hdev->irk, 0, sizeof(hdev->irk)); | |
a358dc11 | 5083 | hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED); |
62b04cd1 JH |
5084 | } |
5085 | ||
5086 | err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev); | |
5087 | if (err < 0) | |
5088 | goto unlock; | |
5089 | ||
5090 | if (changed) | |
5091 | err = new_settings(hdev, sk); | |
5092 | ||
5093 | unlock: | |
5094 | hci_dev_unlock(hdev); | |
5095 | return err; | |
5096 | } | |
5097 | ||
41edf160 JH |
5098 | static bool irk_is_valid(struct mgmt_irk_info *irk) |
5099 | { | |
5100 | switch (irk->addr.type) { | |
5101 | case BDADDR_LE_PUBLIC: | |
5102 | return true; | |
5103 | ||
5104 | case BDADDR_LE_RANDOM: | |
5105 | /* Two most significant bits shall be set */ | |
5106 | if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0) | |
5107 | return false; | |
5108 | return true; | |
5109 | } | |
5110 | ||
5111 | return false; | |
5112 | } | |
5113 | ||
5114 | static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data, | |
5115 | u16 len) | |
5116 | { | |
5117 | struct mgmt_cp_load_irks *cp = cp_data; | |
ba1d6936 JH |
5118 | const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) / |
5119 | sizeof(struct mgmt_irk_info)); | |
41edf160 JH |
5120 | u16 irk_count, expected_len; |
5121 | int i, err; | |
5122 | ||
5123 | BT_DBG("request for %s", hdev->name); | |
5124 | ||
5125 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
5126 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
5127 | MGMT_STATUS_NOT_SUPPORTED); | |
41edf160 JH |
5128 | |
5129 | irk_count = __le16_to_cpu(cp->irk_count); | |
ba1d6936 JH |
5130 | if (irk_count > max_irk_count) { |
5131 | BT_ERR("load_irks: too big irk_count value %u", irk_count); | |
a69e8375 JH |
5132 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
5133 | MGMT_STATUS_INVALID_PARAMS); | |
ba1d6936 | 5134 | } |
41edf160 JH |
5135 | |
5136 | expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info); | |
5137 | if (expected_len != len) { | |
5138 | BT_ERR("load_irks: expected %u bytes, got %u bytes", | |
2606ecbc | 5139 | expected_len, len); |
a69e8375 JH |
5140 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS, |
5141 | MGMT_STATUS_INVALID_PARAMS); | |
41edf160 JH |
5142 | } |
5143 | ||
5144 | BT_DBG("%s irk_count %u", hdev->name, irk_count); | |
5145 | ||
5146 | for (i = 0; i < irk_count; i++) { | |
5147 | struct mgmt_irk_info *key = &cp->irks[i]; | |
5148 | ||
5149 | if (!irk_is_valid(key)) | |
a69e8375 JH |
5150 | return mgmt_cmd_status(sk, hdev->id, |
5151 | MGMT_OP_LOAD_IRKS, | |
5152 | MGMT_STATUS_INVALID_PARAMS); | |
41edf160 JH |
5153 | } |
5154 | ||
5155 | hci_dev_lock(hdev); | |
5156 | ||
5157 | hci_smp_irks_clear(hdev); | |
5158 | ||
5159 | for (i = 0; i < irk_count; i++) { | |
5160 | struct mgmt_irk_info *irk = &cp->irks[i]; | |
5161 | u8 addr_type; | |
5162 | ||
5163 | if (irk->addr.type == BDADDR_LE_PUBLIC) | |
5164 | addr_type = ADDR_LE_DEV_PUBLIC; | |
5165 | else | |
5166 | addr_type = ADDR_LE_DEV_RANDOM; | |
5167 | ||
5168 | hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val, | |
5169 | BDADDR_ANY); | |
5170 | } | |
5171 | ||
a1536da2 | 5172 | hci_dev_set_flag(hdev, HCI_RPA_RESOLVING); |
41edf160 | 5173 | |
2a1afb5a | 5174 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0); |
41edf160 JH |
5175 | |
5176 | hci_dev_unlock(hdev); | |
5177 | ||
5178 | return err; | |
5179 | } | |
5180 | ||
3f706b72 JH |
5181 | static bool ltk_is_valid(struct mgmt_ltk_info *key) |
5182 | { | |
5183 | if (key->master != 0x00 && key->master != 0x01) | |
5184 | return false; | |
490cb0b3 MH |
5185 | |
5186 | switch (key->addr.type) { | |
5187 | case BDADDR_LE_PUBLIC: | |
5188 | return true; | |
5189 | ||
5190 | case BDADDR_LE_RANDOM: | |
5191 | /* Two most significant bits shall be set */ | |
5192 | if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0) | |
5193 | return false; | |
5194 | return true; | |
5195 | } | |
5196 | ||
5197 | return false; | |
3f706b72 JH |
5198 | } |
5199 | ||
bdb6d971 | 5200 | static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, |
04124681 | 5201 | void *cp_data, u16 len) |
346af67b | 5202 | { |
346af67b | 5203 | struct mgmt_cp_load_long_term_keys *cp = cp_data; |
ba1d6936 JH |
5204 | const u16 max_key_count = ((U16_MAX - sizeof(*cp)) / |
5205 | sizeof(struct mgmt_ltk_info)); | |
346af67b | 5206 | u16 key_count, expected_len; |
715a5bf2 | 5207 | int i, err; |
346af67b | 5208 | |
cf99ba13 MH |
5209 | BT_DBG("request for %s", hdev->name); |
5210 | ||
5211 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
5212 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
5213 | MGMT_STATUS_NOT_SUPPORTED); | |
cf99ba13 | 5214 | |
1f350c87 | 5215 | key_count = __le16_to_cpu(cp->key_count); |
ba1d6936 JH |
5216 | if (key_count > max_key_count) { |
5217 | BT_ERR("load_ltks: too big key_count value %u", key_count); | |
a69e8375 JH |
5218 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
5219 | MGMT_STATUS_INVALID_PARAMS); | |
ba1d6936 | 5220 | } |
346af67b VCG |
5221 | |
5222 | expected_len = sizeof(*cp) + key_count * | |
5223 | sizeof(struct mgmt_ltk_info); | |
5224 | if (expected_len != len) { | |
5225 | BT_ERR("load_keys: expected %u bytes, got %u bytes", | |
2606ecbc | 5226 | expected_len, len); |
a69e8375 JH |
5227 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
5228 | MGMT_STATUS_INVALID_PARAMS); | |
346af67b VCG |
5229 | } |
5230 | ||
bdb6d971 | 5231 | BT_DBG("%s key_count %u", hdev->name, key_count); |
346af67b | 5232 | |
54ad6d8a JH |
5233 | for (i = 0; i < key_count; i++) { |
5234 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
5235 | ||
3f706b72 | 5236 | if (!ltk_is_valid(key)) |
a69e8375 JH |
5237 | return mgmt_cmd_status(sk, hdev->id, |
5238 | MGMT_OP_LOAD_LONG_TERM_KEYS, | |
5239 | MGMT_STATUS_INVALID_PARAMS); | |
54ad6d8a JH |
5240 | } |
5241 | ||
346af67b VCG |
5242 | hci_dev_lock(hdev); |
5243 | ||
5244 | hci_smp_ltks_clear(hdev); | |
5245 | ||
5246 | for (i = 0; i < key_count; i++) { | |
5247 | struct mgmt_ltk_info *key = &cp->keys[i]; | |
d7b25450 | 5248 | u8 type, addr_type, authenticated; |
79d95a19 MH |
5249 | |
5250 | if (key->addr.type == BDADDR_LE_PUBLIC) | |
5251 | addr_type = ADDR_LE_DEV_PUBLIC; | |
5252 | else | |
5253 | addr_type = ADDR_LE_DEV_RANDOM; | |
346af67b | 5254 | |
61b43357 JH |
5255 | switch (key->type) { |
5256 | case MGMT_LTK_UNAUTHENTICATED: | |
d7b25450 | 5257 | authenticated = 0x00; |
23fb8de3 | 5258 | type = key->master ? SMP_LTK : SMP_LTK_SLAVE; |
61b43357 JH |
5259 | break; |
5260 | case MGMT_LTK_AUTHENTICATED: | |
d7b25450 | 5261 | authenticated = 0x01; |
23fb8de3 JH |
5262 | type = key->master ? SMP_LTK : SMP_LTK_SLAVE; |
5263 | break; | |
5264 | case MGMT_LTK_P256_UNAUTH: | |
5265 | authenticated = 0x00; | |
5266 | type = SMP_LTK_P256; | |
61b43357 | 5267 | break; |
23fb8de3 JH |
5268 | case MGMT_LTK_P256_AUTH: |
5269 | authenticated = 0x01; | |
5270 | type = SMP_LTK_P256; | |
61b43357 | 5271 | break; |
23fb8de3 JH |
5272 | case MGMT_LTK_P256_DEBUG: |
5273 | authenticated = 0x00; | |
5274 | type = SMP_LTK_P256_DEBUG; | |
61b43357 JH |
5275 | default: |
5276 | continue; | |
5277 | } | |
d7b25450 | 5278 | |
35d70271 | 5279 | hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type, |
d7b25450 | 5280 | authenticated, key->val, key->enc_size, key->ediv, |
35d70271 | 5281 | key->rand); |
346af67b VCG |
5282 | } |
5283 | ||
2a1afb5a | 5284 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0, |
715a5bf2 JH |
5285 | NULL, 0); |
5286 | ||
346af67b | 5287 | hci_dev_unlock(hdev); |
346af67b | 5288 | |
715a5bf2 | 5289 | return err; |
346af67b VCG |
5290 | } |
5291 | ||
3b0602cd | 5292 | static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
dd983808 | 5293 | { |
dd983808 | 5294 | struct hci_conn *conn = cmd->user_data; |
9981bdb0 | 5295 | struct mgmt_rp_get_conn_info rp; |
9df74653 | 5296 | int err; |
dd983808 | 5297 | |
9981bdb0 | 5298 | memcpy(&rp.addr, cmd->param, sizeof(rp.addr)); |
dd983808 | 5299 | |
9981bdb0 | 5300 | if (status == MGMT_STATUS_SUCCESS) { |
dd983808 | 5301 | rp.rssi = conn->rssi; |
9981bdb0 JH |
5302 | rp.tx_power = conn->tx_power; |
5303 | rp.max_tx_power = conn->max_tx_power; | |
5304 | } else { | |
5305 | rp.rssi = HCI_RSSI_INVALID; | |
5306 | rp.tx_power = HCI_TX_POWER_INVALID; | |
5307 | rp.max_tx_power = HCI_TX_POWER_INVALID; | |
dd983808 AK |
5308 | } |
5309 | ||
2a1afb5a JH |
5310 | err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO, |
5311 | status, &rp, sizeof(rp)); | |
dd983808 AK |
5312 | |
5313 | hci_conn_drop(conn); | |
f8aaf9b6 | 5314 | hci_conn_put(conn); |
9df74653 JH |
5315 | |
5316 | return err; | |
dd983808 AK |
5317 | } |
5318 | ||
1904a853 MH |
5319 | static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status, |
5320 | u16 opcode) | |
dd983808 AK |
5321 | { |
5322 | struct hci_cp_read_rssi *cp; | |
3b0602cd | 5323 | struct mgmt_pending_cmd *cmd; |
dd983808 | 5324 | struct hci_conn *conn; |
dd983808 | 5325 | u16 handle; |
9981bdb0 | 5326 | u8 status; |
dd983808 | 5327 | |
9981bdb0 | 5328 | BT_DBG("status 0x%02x", hci_status); |
dd983808 AK |
5329 | |
5330 | hci_dev_lock(hdev); | |
5331 | ||
dd983808 AK |
5332 | /* Commands sent in request are either Read RSSI or Read Transmit Power |
5333 | * Level so we check which one was last sent to retrieve connection | |
5334 | * handle. Both commands have handle as first parameter so it's safe to | |
5335 | * cast data on the same command struct. | |
5336 | * | |
5337 | * First command sent is always Read RSSI and we fail only if it fails. | |
5338 | * In other case we simply override error to indicate success as we | |
5339 | * already remembered if TX power value is actually valid. | |
5340 | */ | |
5341 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI); | |
5342 | if (!cp) { | |
5343 | cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER); | |
9981bdb0 JH |
5344 | status = MGMT_STATUS_SUCCESS; |
5345 | } else { | |
5346 | status = mgmt_status(hci_status); | |
dd983808 AK |
5347 | } |
5348 | ||
5349 | if (!cp) { | |
9981bdb0 | 5350 | BT_ERR("invalid sent_cmd in conn_info response"); |
dd983808 AK |
5351 | goto unlock; |
5352 | } | |
5353 | ||
5354 | handle = __le16_to_cpu(cp->handle); | |
5355 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
5356 | if (!conn) { | |
9981bdb0 | 5357 | BT_ERR("unknown handle (%d) in conn_info response", handle); |
dd983808 AK |
5358 | goto unlock; |
5359 | } | |
5360 | ||
9981bdb0 JH |
5361 | cmd = mgmt_pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn); |
5362 | if (!cmd) | |
5363 | goto unlock; | |
dd983808 | 5364 | |
9981bdb0 JH |
5365 | cmd->cmd_complete(cmd, status); |
5366 | mgmt_pending_remove(cmd); | |
dd983808 AK |
5367 | |
5368 | unlock: | |
5369 | hci_dev_unlock(hdev); | |
5370 | } | |
5371 | ||
5372 | static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data, | |
5373 | u16 len) | |
5374 | { | |
5375 | struct mgmt_cp_get_conn_info *cp = data; | |
5376 | struct mgmt_rp_get_conn_info rp; | |
5377 | struct hci_conn *conn; | |
5378 | unsigned long conn_info_age; | |
5379 | int err = 0; | |
5380 | ||
5381 | BT_DBG("%s", hdev->name); | |
5382 | ||
5383 | memset(&rp, 0, sizeof(rp)); | |
5384 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
5385 | rp.addr.type = cp->addr.type; | |
5386 | ||
5387 | if (!bdaddr_type_is_valid(cp->addr.type)) | |
2a1afb5a JH |
5388 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5389 | MGMT_STATUS_INVALID_PARAMS, | |
5390 | &rp, sizeof(rp)); | |
dd983808 AK |
5391 | |
5392 | hci_dev_lock(hdev); | |
5393 | ||
5394 | if (!hdev_is_powered(hdev)) { | |
2a1afb5a JH |
5395 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5396 | MGMT_STATUS_NOT_POWERED, &rp, | |
5397 | sizeof(rp)); | |
dd983808 AK |
5398 | goto unlock; |
5399 | } | |
5400 | ||
5401 | if (cp->addr.type == BDADDR_BREDR) | |
5402 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
5403 | &cp->addr.bdaddr); | |
5404 | else | |
5405 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); | |
5406 | ||
5407 | if (!conn || conn->state != BT_CONNECTED) { | |
2a1afb5a JH |
5408 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5409 | MGMT_STATUS_NOT_CONNECTED, &rp, | |
5410 | sizeof(rp)); | |
dd983808 AK |
5411 | goto unlock; |
5412 | } | |
5413 | ||
9981bdb0 | 5414 | if (mgmt_pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) { |
2a1afb5a JH |
5415 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5416 | MGMT_STATUS_BUSY, &rp, sizeof(rp)); | |
9981bdb0 JH |
5417 | goto unlock; |
5418 | } | |
5419 | ||
dd983808 AK |
5420 | /* To avoid client trying to guess when to poll again for information we |
5421 | * calculate conn info age as random value between min/max set in hdev. | |
5422 | */ | |
5423 | conn_info_age = hdev->conn_info_min_age + | |
5424 | prandom_u32_max(hdev->conn_info_max_age - | |
5425 | hdev->conn_info_min_age); | |
5426 | ||
5427 | /* Query controller to refresh cached values if they are too old or were | |
5428 | * never read. | |
5429 | */ | |
f4e2dd53 AK |
5430 | if (time_after(jiffies, conn->conn_info_timestamp + |
5431 | msecs_to_jiffies(conn_info_age)) || | |
dd983808 AK |
5432 | !conn->conn_info_timestamp) { |
5433 | struct hci_request req; | |
5434 | struct hci_cp_read_tx_power req_txp_cp; | |
5435 | struct hci_cp_read_rssi req_rssi_cp; | |
3b0602cd | 5436 | struct mgmt_pending_cmd *cmd; |
dd983808 AK |
5437 | |
5438 | hci_req_init(&req, hdev); | |
5439 | req_rssi_cp.handle = cpu_to_le16(conn->handle); | |
5440 | hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp), | |
5441 | &req_rssi_cp); | |
5442 | ||
f7faab0c AK |
5443 | /* For LE links TX power does not change thus we don't need to |
5444 | * query for it once value is known. | |
5445 | */ | |
5446 | if (!bdaddr_type_is_le(cp->addr.type) || | |
5447 | conn->tx_power == HCI_TX_POWER_INVALID) { | |
5448 | req_txp_cp.handle = cpu_to_le16(conn->handle); | |
5449 | req_txp_cp.type = 0x00; | |
5450 | hci_req_add(&req, HCI_OP_READ_TX_POWER, | |
5451 | sizeof(req_txp_cp), &req_txp_cp); | |
5452 | } | |
dd983808 | 5453 | |
eed5daf3 AK |
5454 | /* Max TX power needs to be read only once per connection */ |
5455 | if (conn->max_tx_power == HCI_TX_POWER_INVALID) { | |
5456 | req_txp_cp.handle = cpu_to_le16(conn->handle); | |
5457 | req_txp_cp.type = 0x01; | |
5458 | hci_req_add(&req, HCI_OP_READ_TX_POWER, | |
5459 | sizeof(req_txp_cp), &req_txp_cp); | |
5460 | } | |
5461 | ||
dd983808 AK |
5462 | err = hci_req_run(&req, conn_info_refresh_complete); |
5463 | if (err < 0) | |
5464 | goto unlock; | |
5465 | ||
5466 | cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev, | |
5467 | data, len); | |
5468 | if (!cmd) { | |
5469 | err = -ENOMEM; | |
5470 | goto unlock; | |
5471 | } | |
5472 | ||
5473 | hci_conn_hold(conn); | |
f8aaf9b6 | 5474 | cmd->user_data = hci_conn_get(conn); |
9981bdb0 | 5475 | cmd->cmd_complete = conn_info_cmd_complete; |
dd983808 AK |
5476 | |
5477 | conn->conn_info_timestamp = jiffies; | |
5478 | } else { | |
5479 | /* Cache is valid, just reply with values cached in hci_conn */ | |
5480 | rp.rssi = conn->rssi; | |
5481 | rp.tx_power = conn->tx_power; | |
eed5daf3 | 5482 | rp.max_tx_power = conn->max_tx_power; |
dd983808 | 5483 | |
2a1afb5a JH |
5484 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO, |
5485 | MGMT_STATUS_SUCCESS, &rp, sizeof(rp)); | |
dd983808 AK |
5486 | } |
5487 | ||
5488 | unlock: | |
5489 | hci_dev_unlock(hdev); | |
5490 | return err; | |
5491 | } | |
5492 | ||
3b0602cd | 5493 | static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status) |
95868426 | 5494 | { |
69487371 | 5495 | struct hci_conn *conn = cmd->user_data; |
95868426 | 5496 | struct mgmt_rp_get_clock_info rp; |
69487371 | 5497 | struct hci_dev *hdev; |
9df74653 | 5498 | int err; |
69487371 JH |
5499 | |
5500 | memset(&rp, 0, sizeof(rp)); | |
5501 | memcpy(&rp.addr, &cmd->param, sizeof(rp.addr)); | |
5502 | ||
5503 | if (status) | |
5504 | goto complete; | |
5505 | ||
5506 | hdev = hci_dev_get(cmd->index); | |
5507 | if (hdev) { | |
5508 | rp.local_clock = cpu_to_le32(hdev->clock); | |
5509 | hci_dev_put(hdev); | |
5510 | } | |
5511 | ||
5512 | if (conn) { | |
5513 | rp.piconet_clock = cpu_to_le32(conn->clock); | |
5514 | rp.accuracy = cpu_to_le16(conn->clock_accuracy); | |
5515 | } | |
5516 | ||
5517 | complete: | |
2a1afb5a JH |
5518 | err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp, |
5519 | sizeof(rp)); | |
69487371 JH |
5520 | |
5521 | if (conn) { | |
5522 | hci_conn_drop(conn); | |
5523 | hci_conn_put(conn); | |
5524 | } | |
9df74653 JH |
5525 | |
5526 | return err; | |
69487371 JH |
5527 | } |
5528 | ||
1904a853 | 5529 | static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
69487371 | 5530 | { |
95868426 | 5531 | struct hci_cp_read_clock *hci_cp; |
3b0602cd | 5532 | struct mgmt_pending_cmd *cmd; |
95868426 JH |
5533 | struct hci_conn *conn; |
5534 | ||
5535 | BT_DBG("%s status %u", hdev->name, status); | |
5536 | ||
5537 | hci_dev_lock(hdev); | |
5538 | ||
5539 | hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK); | |
5540 | if (!hci_cp) | |
5541 | goto unlock; | |
5542 | ||
5543 | if (hci_cp->which) { | |
5544 | u16 handle = __le16_to_cpu(hci_cp->handle); | |
5545 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
5546 | } else { | |
5547 | conn = NULL; | |
5548 | } | |
5549 | ||
5550 | cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn); | |
5551 | if (!cmd) | |
5552 | goto unlock; | |
5553 | ||
69487371 | 5554 | cmd->cmd_complete(cmd, mgmt_status(status)); |
95868426 | 5555 | mgmt_pending_remove(cmd); |
95868426 JH |
5556 | |
5557 | unlock: | |
5558 | hci_dev_unlock(hdev); | |
5559 | } | |
5560 | ||
5561 | static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data, | |
5562 | u16 len) | |
5563 | { | |
5564 | struct mgmt_cp_get_clock_info *cp = data; | |
5565 | struct mgmt_rp_get_clock_info rp; | |
5566 | struct hci_cp_read_clock hci_cp; | |
3b0602cd | 5567 | struct mgmt_pending_cmd *cmd; |
95868426 JH |
5568 | struct hci_request req; |
5569 | struct hci_conn *conn; | |
5570 | int err; | |
5571 | ||
5572 | BT_DBG("%s", hdev->name); | |
5573 | ||
5574 | memset(&rp, 0, sizeof(rp)); | |
5575 | bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); | |
5576 | rp.addr.type = cp->addr.type; | |
5577 | ||
5578 | if (cp->addr.type != BDADDR_BREDR) | |
2a1afb5a JH |
5579 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, |
5580 | MGMT_STATUS_INVALID_PARAMS, | |
5581 | &rp, sizeof(rp)); | |
95868426 JH |
5582 | |
5583 | hci_dev_lock(hdev); | |
5584 | ||
5585 | if (!hdev_is_powered(hdev)) { | |
2a1afb5a JH |
5586 | err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO, |
5587 | MGMT_STATUS_NOT_POWERED, &rp, | |
5588 | sizeof(rp)); | |
95868426 JH |
5589 | goto unlock; |
5590 | } | |
5591 | ||
5592 | if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { | |
5593 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, | |
5594 | &cp->addr.bdaddr); | |
5595 | if (!conn || conn->state != BT_CONNECTED) { | |
2a1afb5a JH |
5596 | err = mgmt_cmd_complete(sk, hdev->id, |
5597 | MGMT_OP_GET_CLOCK_INFO, | |
5598 | MGMT_STATUS_NOT_CONNECTED, | |
5599 | &rp, sizeof(rp)); | |
95868426 JH |
5600 | goto unlock; |
5601 | } | |
5602 | } else { | |
5603 | conn = NULL; | |
5604 | } | |
5605 | ||
5606 | cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len); | |
5607 | if (!cmd) { | |
5608 | err = -ENOMEM; | |
5609 | goto unlock; | |
5610 | } | |
5611 | ||
69487371 JH |
5612 | cmd->cmd_complete = clock_info_cmd_complete; |
5613 | ||
95868426 JH |
5614 | hci_req_init(&req, hdev); |
5615 | ||
5616 | memset(&hci_cp, 0, sizeof(hci_cp)); | |
5617 | hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); | |
5618 | ||
5619 | if (conn) { | |
5620 | hci_conn_hold(conn); | |
f8aaf9b6 | 5621 | cmd->user_data = hci_conn_get(conn); |
95868426 JH |
5622 | |
5623 | hci_cp.handle = cpu_to_le16(conn->handle); | |
5624 | hci_cp.which = 0x01; /* Piconet clock */ | |
5625 | hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp); | |
5626 | } | |
5627 | ||
5628 | err = hci_req_run(&req, get_clock_info_complete); | |
5629 | if (err < 0) | |
5630 | mgmt_pending_remove(cmd); | |
5631 | ||
5632 | unlock: | |
5633 | hci_dev_unlock(hdev); | |
5634 | return err; | |
5635 | } | |
5636 | ||
5a154e6f JH |
5637 | static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type) |
5638 | { | |
5639 | struct hci_conn *conn; | |
5640 | ||
5641 | conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr); | |
5642 | if (!conn) | |
5643 | return false; | |
5644 | ||
5645 | if (conn->dst_type != type) | |
5646 | return false; | |
5647 | ||
5648 | if (conn->state != BT_CONNECTED) | |
5649 | return false; | |
5650 | ||
5651 | return true; | |
5652 | } | |
5653 | ||
5654 | /* This function requires the caller holds hdev->lock */ | |
5655 | static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr, | |
5656 | u8 addr_type, u8 auto_connect) | |
5657 | { | |
5658 | struct hci_dev *hdev = req->hdev; | |
5659 | struct hci_conn_params *params; | |
5660 | ||
5661 | params = hci_conn_params_add(hdev, addr, addr_type); | |
5662 | if (!params) | |
5663 | return -EIO; | |
5664 | ||
5665 | if (params->auto_connect == auto_connect) | |
5666 | return 0; | |
5667 | ||
5668 | list_del_init(¶ms->action); | |
5669 | ||
5670 | switch (auto_connect) { | |
5671 | case HCI_AUTO_CONN_DISABLED: | |
5672 | case HCI_AUTO_CONN_LINK_LOSS: | |
5673 | __hci_update_background_scan(req); | |
5674 | break; | |
5675 | case HCI_AUTO_CONN_REPORT: | |
5676 | list_add(¶ms->action, &hdev->pend_le_reports); | |
5677 | __hci_update_background_scan(req); | |
5678 | break; | |
5679 | case HCI_AUTO_CONN_DIRECT: | |
5680 | case HCI_AUTO_CONN_ALWAYS: | |
5681 | if (!is_connected(hdev, addr, addr_type)) { | |
5682 | list_add(¶ms->action, &hdev->pend_le_conns); | |
5683 | __hci_update_background_scan(req); | |
5684 | } | |
5685 | break; | |
5686 | } | |
5687 | ||
5688 | params->auto_connect = auto_connect; | |
5689 | ||
5690 | BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type, | |
5691 | auto_connect); | |
5692 | ||
5693 | return 0; | |
5694 | } | |
5695 | ||
8afef092 MH |
5696 | static void device_added(struct sock *sk, struct hci_dev *hdev, |
5697 | bdaddr_t *bdaddr, u8 type, u8 action) | |
5698 | { | |
5699 | struct mgmt_ev_device_added ev; | |
5700 | ||
5701 | bacpy(&ev.addr.bdaddr, bdaddr); | |
5702 | ev.addr.type = type; | |
5703 | ev.action = action; | |
5704 | ||
5705 | mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk); | |
5706 | } | |
5707 | ||
1904a853 | 5708 | static void add_device_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
5a154e6f | 5709 | { |
3b0602cd | 5710 | struct mgmt_pending_cmd *cmd; |
5a154e6f JH |
5711 | |
5712 | BT_DBG("status 0x%02x", status); | |
5713 | ||
5714 | hci_dev_lock(hdev); | |
5715 | ||
5716 | cmd = mgmt_pending_find(MGMT_OP_ADD_DEVICE, hdev); | |
5717 | if (!cmd) | |
5718 | goto unlock; | |
5719 | ||
5720 | cmd->cmd_complete(cmd, mgmt_status(status)); | |
5721 | mgmt_pending_remove(cmd); | |
5722 | ||
5723 | unlock: | |
5724 | hci_dev_unlock(hdev); | |
5725 | } | |
5726 | ||
2faade53 MH |
5727 | static int add_device(struct sock *sk, struct hci_dev *hdev, |
5728 | void *data, u16 len) | |
5729 | { | |
5730 | struct mgmt_cp_add_device *cp = data; | |
3b0602cd | 5731 | struct mgmt_pending_cmd *cmd; |
5a154e6f | 5732 | struct hci_request req; |
2faade53 MH |
5733 | u8 auto_conn, addr_type; |
5734 | int err; | |
5735 | ||
5736 | BT_DBG("%s", hdev->name); | |
5737 | ||
6659358e | 5738 | if (!bdaddr_type_is_valid(cp->addr.type) || |
2faade53 | 5739 | !bacmp(&cp->addr.bdaddr, BDADDR_ANY)) |
2a1afb5a JH |
5740 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
5741 | MGMT_STATUS_INVALID_PARAMS, | |
5742 | &cp->addr, sizeof(cp->addr)); | |
2faade53 | 5743 | |
4b9e7e75 | 5744 | if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02) |
2a1afb5a JH |
5745 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, |
5746 | MGMT_STATUS_INVALID_PARAMS, | |
5747 | &cp->addr, sizeof(cp->addr)); | |
2faade53 | 5748 | |
5a154e6f JH |
5749 | hci_req_init(&req, hdev); |
5750 | ||
2faade53 MH |
5751 | hci_dev_lock(hdev); |
5752 | ||
5a154e6f JH |
5753 | cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len); |
5754 | if (!cmd) { | |
5755 | err = -ENOMEM; | |
5756 | goto unlock; | |
5757 | } | |
5758 | ||
5759 | cmd->cmd_complete = addr_cmd_complete; | |
5760 | ||
6659358e | 5761 | if (cp->addr.type == BDADDR_BREDR) { |
4b9e7e75 | 5762 | /* Only incoming connections action is supported for now */ |
6659358e | 5763 | if (cp->action != 0x01) { |
9df74653 JH |
5764 | err = cmd->cmd_complete(cmd, |
5765 | MGMT_STATUS_INVALID_PARAMS); | |
5a154e6f | 5766 | mgmt_pending_remove(cmd); |
6659358e JH |
5767 | goto unlock; |
5768 | } | |
5769 | ||
5770 | err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr, | |
5771 | cp->addr.type); | |
5772 | if (err) | |
5773 | goto unlock; | |
a397407f | 5774 | |
5a154e6f | 5775 | __hci_update_page_scan(&req); |
a397407f | 5776 | |
6659358e JH |
5777 | goto added; |
5778 | } | |
5779 | ||
2faade53 MH |
5780 | if (cp->addr.type == BDADDR_LE_PUBLIC) |
5781 | addr_type = ADDR_LE_DEV_PUBLIC; | |
5782 | else | |
5783 | addr_type = ADDR_LE_DEV_RANDOM; | |
5784 | ||
4b9e7e75 | 5785 | if (cp->action == 0x02) |
2faade53 | 5786 | auto_conn = HCI_AUTO_CONN_ALWAYS; |
4b9e7e75 MH |
5787 | else if (cp->action == 0x01) |
5788 | auto_conn = HCI_AUTO_CONN_DIRECT; | |
2faade53 | 5789 | else |
a3451d27 | 5790 | auto_conn = HCI_AUTO_CONN_REPORT; |
2faade53 | 5791 | |
bf5b3c8b MH |
5792 | /* If the connection parameters don't exist for this device, |
5793 | * they will be created and configured with defaults. | |
5794 | */ | |
5a154e6f | 5795 | if (hci_conn_params_set(&req, &cp->addr.bdaddr, addr_type, |
d06b50ce | 5796 | auto_conn) < 0) { |
9df74653 | 5797 | err = cmd->cmd_complete(cmd, MGMT_STATUS_FAILED); |
5a154e6f | 5798 | mgmt_pending_remove(cmd); |
2faade53 MH |
5799 | goto unlock; |
5800 | } | |
5801 | ||
6659358e | 5802 | added: |
8afef092 MH |
5803 | device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action); |
5804 | ||
5a154e6f JH |
5805 | err = hci_req_run(&req, add_device_complete); |
5806 | if (err < 0) { | |
5807 | /* ENODATA means no HCI commands were needed (e.g. if | |
5808 | * the adapter is powered off). | |
5809 | */ | |
9df74653 JH |
5810 | if (err == -ENODATA) |
5811 | err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS); | |
5a154e6f JH |
5812 | mgmt_pending_remove(cmd); |
5813 | } | |
2faade53 MH |
5814 | |
5815 | unlock: | |
5816 | hci_dev_unlock(hdev); | |
5817 | return err; | |
5818 | } | |
5819 | ||
8afef092 MH |
5820 | static void device_removed(struct sock *sk, struct hci_dev *hdev, |
5821 | bdaddr_t *bdaddr, u8 type) | |
5822 | { | |
5823 | struct mgmt_ev_device_removed ev; | |
5824 | ||
5825 | bacpy(&ev.addr.bdaddr, bdaddr); | |
5826 | ev.addr.type = type; | |
5827 | ||
5828 | mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk); | |
5829 | } | |
5830 | ||
1904a853 | 5831 | static void remove_device_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
51ef3ebe | 5832 | { |
3b0602cd | 5833 | struct mgmt_pending_cmd *cmd; |
51ef3ebe JH |
5834 | |
5835 | BT_DBG("status 0x%02x", status); | |
5836 | ||
5837 | hci_dev_lock(hdev); | |
5838 | ||
5839 | cmd = mgmt_pending_find(MGMT_OP_REMOVE_DEVICE, hdev); | |
5840 | if (!cmd) | |
5841 | goto unlock; | |
5842 | ||
5843 | cmd->cmd_complete(cmd, mgmt_status(status)); | |
5844 | mgmt_pending_remove(cmd); | |
5845 | ||
5846 | unlock: | |
5847 | hci_dev_unlock(hdev); | |
5848 | } | |
5849 | ||
2faade53 MH |
5850 | static int remove_device(struct sock *sk, struct hci_dev *hdev, |
5851 | void *data, u16 len) | |
5852 | { | |
5853 | struct mgmt_cp_remove_device *cp = data; | |
3b0602cd | 5854 | struct mgmt_pending_cmd *cmd; |
51ef3ebe | 5855 | struct hci_request req; |
2faade53 MH |
5856 | int err; |
5857 | ||
5858 | BT_DBG("%s", hdev->name); | |
5859 | ||
51ef3ebe JH |
5860 | hci_req_init(&req, hdev); |
5861 | ||
2faade53 MH |
5862 | hci_dev_lock(hdev); |
5863 | ||
51ef3ebe JH |
5864 | cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_DEVICE, hdev, data, len); |
5865 | if (!cmd) { | |
5866 | err = -ENOMEM; | |
5867 | goto unlock; | |
5868 | } | |
5869 | ||
5870 | cmd->cmd_complete = addr_cmd_complete; | |
5871 | ||
2faade53 | 5872 | if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) { |
c71593dd | 5873 | struct hci_conn_params *params; |
2faade53 MH |
5874 | u8 addr_type; |
5875 | ||
6659358e | 5876 | if (!bdaddr_type_is_valid(cp->addr.type)) { |
9df74653 JH |
5877 | err = cmd->cmd_complete(cmd, |
5878 | MGMT_STATUS_INVALID_PARAMS); | |
51ef3ebe | 5879 | mgmt_pending_remove(cmd); |
2faade53 MH |
5880 | goto unlock; |
5881 | } | |
5882 | ||
6659358e JH |
5883 | if (cp->addr.type == BDADDR_BREDR) { |
5884 | err = hci_bdaddr_list_del(&hdev->whitelist, | |
5885 | &cp->addr.bdaddr, | |
5886 | cp->addr.type); | |
5887 | if (err) { | |
9df74653 JH |
5888 | err = cmd->cmd_complete(cmd, |
5889 | MGMT_STATUS_INVALID_PARAMS); | |
51ef3ebe | 5890 | mgmt_pending_remove(cmd); |
6659358e JH |
5891 | goto unlock; |
5892 | } | |
5893 | ||
51ef3ebe | 5894 | __hci_update_page_scan(&req); |
a397407f | 5895 | |
6659358e JH |
5896 | device_removed(sk, hdev, &cp->addr.bdaddr, |
5897 | cp->addr.type); | |
5898 | goto complete; | |
5899 | } | |
5900 | ||
2faade53 MH |
5901 | if (cp->addr.type == BDADDR_LE_PUBLIC) |
5902 | addr_type = ADDR_LE_DEV_PUBLIC; | |
5903 | else | |
5904 | addr_type = ADDR_LE_DEV_RANDOM; | |
5905 | ||
c71593dd JH |
5906 | params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, |
5907 | addr_type); | |
5908 | if (!params) { | |
9df74653 JH |
5909 | err = cmd->cmd_complete(cmd, |
5910 | MGMT_STATUS_INVALID_PARAMS); | |
51ef3ebe | 5911 | mgmt_pending_remove(cmd); |
c71593dd JH |
5912 | goto unlock; |
5913 | } | |
5914 | ||
5915 | if (params->auto_connect == HCI_AUTO_CONN_DISABLED) { | |
9df74653 JH |
5916 | err = cmd->cmd_complete(cmd, |
5917 | MGMT_STATUS_INVALID_PARAMS); | |
51ef3ebe | 5918 | mgmt_pending_remove(cmd); |
c71593dd JH |
5919 | goto unlock; |
5920 | } | |
5921 | ||
d1dbf12e | 5922 | list_del(¶ms->action); |
c71593dd JH |
5923 | list_del(¶ms->list); |
5924 | kfree(params); | |
51ef3ebe | 5925 | __hci_update_background_scan(&req); |
8afef092 MH |
5926 | |
5927 | device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type); | |
2faade53 | 5928 | } else { |
19de0825 | 5929 | struct hci_conn_params *p, *tmp; |
6659358e | 5930 | struct bdaddr_list *b, *btmp; |
19de0825 | 5931 | |
2faade53 | 5932 | if (cp->addr.type) { |
9df74653 JH |
5933 | err = cmd->cmd_complete(cmd, |
5934 | MGMT_STATUS_INVALID_PARAMS); | |
51ef3ebe | 5935 | mgmt_pending_remove(cmd); |
2faade53 MH |
5936 | goto unlock; |
5937 | } | |
5938 | ||
6659358e JH |
5939 | list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) { |
5940 | device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type); | |
5941 | list_del(&b->list); | |
5942 | kfree(b); | |
5943 | } | |
5944 | ||
51ef3ebe | 5945 | __hci_update_page_scan(&req); |
a397407f | 5946 | |
19de0825 JH |
5947 | list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) { |
5948 | if (p->auto_connect == HCI_AUTO_CONN_DISABLED) | |
5949 | continue; | |
5950 | device_removed(sk, hdev, &p->addr, p->addr_type); | |
5951 | list_del(&p->action); | |
5952 | list_del(&p->list); | |
5953 | kfree(p); | |
5954 | } | |
5955 | ||
5956 | BT_DBG("All LE connection parameters were removed"); | |
5957 | ||
51ef3ebe | 5958 | __hci_update_background_scan(&req); |
2faade53 MH |
5959 | } |
5960 | ||
6659358e | 5961 | complete: |
51ef3ebe JH |
5962 | err = hci_req_run(&req, remove_device_complete); |
5963 | if (err < 0) { | |
5964 | /* ENODATA means no HCI commands were needed (e.g. if | |
5965 | * the adapter is powered off). | |
5966 | */ | |
9df74653 JH |
5967 | if (err == -ENODATA) |
5968 | err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS); | |
51ef3ebe JH |
5969 | mgmt_pending_remove(cmd); |
5970 | } | |
2faade53 MH |
5971 | |
5972 | unlock: | |
5973 | hci_dev_unlock(hdev); | |
5974 | return err; | |
5975 | } | |
5976 | ||
a26f3dcf JH |
5977 | static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data, |
5978 | u16 len) | |
5979 | { | |
5980 | struct mgmt_cp_load_conn_param *cp = data; | |
ba1d6936 JH |
5981 | const u16 max_param_count = ((U16_MAX - sizeof(*cp)) / |
5982 | sizeof(struct mgmt_conn_param)); | |
a26f3dcf JH |
5983 | u16 param_count, expected_len; |
5984 | int i; | |
5985 | ||
5986 | if (!lmp_le_capable(hdev)) | |
a69e8375 JH |
5987 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, |
5988 | MGMT_STATUS_NOT_SUPPORTED); | |
a26f3dcf JH |
5989 | |
5990 | param_count = __le16_to_cpu(cp->param_count); | |
ba1d6936 JH |
5991 | if (param_count > max_param_count) { |
5992 | BT_ERR("load_conn_param: too big param_count value %u", | |
5993 | param_count); | |
a69e8375 JH |
5994 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, |
5995 | MGMT_STATUS_INVALID_PARAMS); | |
ba1d6936 | 5996 | } |
a26f3dcf JH |
5997 | |
5998 | expected_len = sizeof(*cp) + param_count * | |
5999 | sizeof(struct mgmt_conn_param); | |
6000 | if (expected_len != len) { | |
6001 | BT_ERR("load_conn_param: expected %u bytes, got %u bytes", | |
6002 | expected_len, len); | |
a69e8375 JH |
6003 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, |
6004 | MGMT_STATUS_INVALID_PARAMS); | |
a26f3dcf JH |
6005 | } |
6006 | ||
6007 | BT_DBG("%s param_count %u", hdev->name, param_count); | |
6008 | ||
6009 | hci_dev_lock(hdev); | |
6010 | ||
6011 | hci_conn_params_clear_disabled(hdev); | |
6012 | ||
6013 | for (i = 0; i < param_count; i++) { | |
6014 | struct mgmt_conn_param *param = &cp->params[i]; | |
6015 | struct hci_conn_params *hci_param; | |
6016 | u16 min, max, latency, timeout; | |
6017 | u8 addr_type; | |
6018 | ||
6019 | BT_DBG("Adding %pMR (type %u)", ¶m->addr.bdaddr, | |
6020 | param->addr.type); | |
6021 | ||
6022 | if (param->addr.type == BDADDR_LE_PUBLIC) { | |
6023 | addr_type = ADDR_LE_DEV_PUBLIC; | |
6024 | } else if (param->addr.type == BDADDR_LE_RANDOM) { | |
6025 | addr_type = ADDR_LE_DEV_RANDOM; | |
6026 | } else { | |
6027 | BT_ERR("Ignoring invalid connection parameters"); | |
6028 | continue; | |
6029 | } | |
6030 | ||
6031 | min = le16_to_cpu(param->min_interval); | |
6032 | max = le16_to_cpu(param->max_interval); | |
6033 | latency = le16_to_cpu(param->latency); | |
6034 | timeout = le16_to_cpu(param->timeout); | |
6035 | ||
6036 | BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x", | |
6037 | min, max, latency, timeout); | |
6038 | ||
6039 | if (hci_check_conn_params(min, max, latency, timeout) < 0) { | |
6040 | BT_ERR("Ignoring invalid connection parameters"); | |
6041 | continue; | |
6042 | } | |
6043 | ||
6044 | hci_param = hci_conn_params_add(hdev, ¶m->addr.bdaddr, | |
6045 | addr_type); | |
6046 | if (!hci_param) { | |
6047 | BT_ERR("Failed to add connection parameters"); | |
6048 | continue; | |
6049 | } | |
6050 | ||
6051 | hci_param->conn_min_interval = min; | |
6052 | hci_param->conn_max_interval = max; | |
6053 | hci_param->conn_latency = latency; | |
6054 | hci_param->supervision_timeout = timeout; | |
6055 | } | |
6056 | ||
6057 | hci_dev_unlock(hdev); | |
6058 | ||
2a1afb5a JH |
6059 | return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, |
6060 | NULL, 0); | |
a26f3dcf JH |
6061 | } |
6062 | ||
dbece37a MH |
6063 | static int set_external_config(struct sock *sk, struct hci_dev *hdev, |
6064 | void *data, u16 len) | |
6065 | { | |
6066 | struct mgmt_cp_set_external_config *cp = data; | |
6067 | bool changed; | |
6068 | int err; | |
6069 | ||
6070 | BT_DBG("%s", hdev->name); | |
6071 | ||
6072 | if (hdev_is_powered(hdev)) | |
a69e8375 JH |
6073 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, |
6074 | MGMT_STATUS_REJECTED); | |
dbece37a MH |
6075 | |
6076 | if (cp->config != 0x00 && cp->config != 0x01) | |
a69e8375 JH |
6077 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, |
6078 | MGMT_STATUS_INVALID_PARAMS); | |
dbece37a MH |
6079 | |
6080 | if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks)) | |
a69e8375 JH |
6081 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG, |
6082 | MGMT_STATUS_NOT_SUPPORTED); | |
dbece37a MH |
6083 | |
6084 | hci_dev_lock(hdev); | |
6085 | ||
6086 | if (cp->config) | |
6087 | changed = !test_and_set_bit(HCI_EXT_CONFIGURED, | |
6088 | &hdev->dev_flags); | |
6089 | else | |
6090 | changed = test_and_clear_bit(HCI_EXT_CONFIGURED, | |
6091 | &hdev->dev_flags); | |
6092 | ||
6093 | err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev); | |
6094 | if (err < 0) | |
6095 | goto unlock; | |
6096 | ||
6097 | if (!changed) | |
6098 | goto unlock; | |
6099 | ||
f4537c04 MH |
6100 | err = new_options(hdev, sk); |
6101 | ||
d7a5a11d | 6102 | if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) { |
dbece37a | 6103 | mgmt_index_removed(hdev); |
d603b76b | 6104 | |
516018a9 | 6105 | if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) { |
a1536da2 MH |
6106 | hci_dev_set_flag(hdev, HCI_CONFIG); |
6107 | hci_dev_set_flag(hdev, HCI_AUTO_OFF); | |
d603b76b MH |
6108 | |
6109 | queue_work(hdev->req_workqueue, &hdev->power_on); | |
6110 | } else { | |
5ea234d3 | 6111 | set_bit(HCI_RAW, &hdev->flags); |
d603b76b MH |
6112 | mgmt_index_added(hdev); |
6113 | } | |
dbece37a MH |
6114 | } |
6115 | ||
6116 | unlock: | |
6117 | hci_dev_unlock(hdev); | |
6118 | return err; | |
6119 | } | |
6120 | ||
9713c17b MH |
6121 | static int set_public_address(struct sock *sk, struct hci_dev *hdev, |
6122 | void *data, u16 len) | |
6123 | { | |
6124 | struct mgmt_cp_set_public_address *cp = data; | |
6125 | bool changed; | |
6126 | int err; | |
6127 | ||
6128 | BT_DBG("%s", hdev->name); | |
6129 | ||
6130 | if (hdev_is_powered(hdev)) | |
a69e8375 JH |
6131 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, |
6132 | MGMT_STATUS_REJECTED); | |
9713c17b MH |
6133 | |
6134 | if (!bacmp(&cp->bdaddr, BDADDR_ANY)) | |
a69e8375 JH |
6135 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, |
6136 | MGMT_STATUS_INVALID_PARAMS); | |
9713c17b MH |
6137 | |
6138 | if (!hdev->set_bdaddr) | |
a69e8375 JH |
6139 | return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS, |
6140 | MGMT_STATUS_NOT_SUPPORTED); | |
9713c17b MH |
6141 | |
6142 | hci_dev_lock(hdev); | |
6143 | ||
6144 | changed = !!bacmp(&hdev->public_addr, &cp->bdaddr); | |
6145 | bacpy(&hdev->public_addr, &cp->bdaddr); | |
6146 | ||
6147 | err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev); | |
6148 | if (err < 0) | |
6149 | goto unlock; | |
6150 | ||
6151 | if (!changed) | |
6152 | goto unlock; | |
6153 | ||
d7a5a11d | 6154 | if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) |
9713c17b MH |
6155 | err = new_options(hdev, sk); |
6156 | ||
6157 | if (is_configured(hdev)) { | |
6158 | mgmt_index_removed(hdev); | |
6159 | ||
a358dc11 | 6160 | hci_dev_clear_flag(hdev, HCI_UNCONFIGURED); |
9713c17b | 6161 | |
a1536da2 MH |
6162 | hci_dev_set_flag(hdev, HCI_CONFIG); |
6163 | hci_dev_set_flag(hdev, HCI_AUTO_OFF); | |
9713c17b MH |
6164 | |
6165 | queue_work(hdev->req_workqueue, &hdev->power_on); | |
6166 | } | |
6167 | ||
6168 | unlock: | |
6169 | hci_dev_unlock(hdev); | |
6170 | return err; | |
6171 | } | |
6172 | ||
6d785aa3 | 6173 | static const struct hci_mgmt_handler mgmt_handlers[] = { |
0f4e68cf | 6174 | { NULL }, /* 0x0000 (no command) */ |
b9a245fb JH |
6175 | { read_version, MGMT_READ_VERSION_SIZE, |
6176 | HCI_MGMT_NO_HDEV }, | |
6177 | { read_commands, MGMT_READ_COMMANDS_SIZE, | |
6178 | HCI_MGMT_NO_HDEV }, | |
6179 | { read_index_list, MGMT_READ_INDEX_LIST_SIZE, | |
6180 | HCI_MGMT_NO_HDEV }, | |
6181 | { read_controller_info, MGMT_READ_INFO_SIZE, 0 }, | |
6182 | { set_powered, MGMT_SETTING_SIZE, 0 }, | |
6183 | { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE, 0 }, | |
6184 | { set_connectable, MGMT_SETTING_SIZE, 0 }, | |
6185 | { set_fast_connectable, MGMT_SETTING_SIZE, 0 }, | |
6186 | { set_bondable, MGMT_SETTING_SIZE, 0 }, | |
6187 | { set_link_security, MGMT_SETTING_SIZE, 0 }, | |
6188 | { set_ssp, MGMT_SETTING_SIZE, 0 }, | |
6189 | { set_hs, MGMT_SETTING_SIZE, 0 }, | |
6190 | { set_le, MGMT_SETTING_SIZE, 0 }, | |
6191 | { set_dev_class, MGMT_SET_DEV_CLASS_SIZE, 0 }, | |
6192 | { set_local_name, MGMT_SET_LOCAL_NAME_SIZE, 0 }, | |
6193 | { add_uuid, MGMT_ADD_UUID_SIZE, 0 }, | |
6194 | { remove_uuid, MGMT_REMOVE_UUID_SIZE, 0 }, | |
6195 | { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE, | |
6196 | HCI_MGMT_VAR_LEN }, | |
6197 | { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE, | |
6198 | HCI_MGMT_VAR_LEN }, | |
6199 | { disconnect, MGMT_DISCONNECT_SIZE, 0 }, | |
6200 | { get_connections, MGMT_GET_CONNECTIONS_SIZE, 0 }, | |
6201 | { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE, 0 }, | |
6202 | { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE, 0 }, | |
6203 | { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE, 0 }, | |
6204 | { pair_device, MGMT_PAIR_DEVICE_SIZE, 0 }, | |
6205 | { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE, 0 }, | |
6206 | { unpair_device, MGMT_UNPAIR_DEVICE_SIZE, 0 }, | |
6207 | { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE, 0 }, | |
6208 | { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE, 0 }, | |
6209 | { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE, 0 }, | |
6210 | { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE, 0 }, | |
6211 | { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE }, | |
6212 | { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE, | |
6213 | HCI_MGMT_VAR_LEN }, | |
6214 | { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE, 0 }, | |
6215 | { start_discovery, MGMT_START_DISCOVERY_SIZE, 0 }, | |
6216 | { stop_discovery, MGMT_STOP_DISCOVERY_SIZE, 0 }, | |
6217 | { confirm_name, MGMT_CONFIRM_NAME_SIZE, 0 }, | |
6218 | { block_device, MGMT_BLOCK_DEVICE_SIZE, 0 }, | |
6219 | { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE, 0 }, | |
6220 | { set_device_id, MGMT_SET_DEVICE_ID_SIZE, 0 }, | |
6221 | { set_advertising, MGMT_SETTING_SIZE, 0 }, | |
6222 | { set_bredr, MGMT_SETTING_SIZE, 0 }, | |
6223 | { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE, 0 }, | |
6224 | { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE, 0 }, | |
6225 | { set_secure_conn, MGMT_SETTING_SIZE, 0 }, | |
6226 | { set_debug_keys, MGMT_SETTING_SIZE, 0 }, | |
6227 | { set_privacy, MGMT_SET_PRIVACY_SIZE, 0 }, | |
6228 | { load_irks, MGMT_LOAD_IRKS_SIZE, | |
6229 | HCI_MGMT_VAR_LEN }, | |
6230 | { get_conn_info, MGMT_GET_CONN_INFO_SIZE, 0 }, | |
6231 | { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE, 0 }, | |
6232 | { add_device, MGMT_ADD_DEVICE_SIZE, 0 }, | |
6233 | { remove_device, MGMT_REMOVE_DEVICE_SIZE, 0 }, | |
6234 | { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE, | |
6235 | HCI_MGMT_VAR_LEN }, | |
6236 | { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE, | |
6237 | HCI_MGMT_NO_HDEV }, | |
6238 | { read_config_info, MGMT_READ_CONFIG_INFO_SIZE, | |
6239 | HCI_MGMT_UNCONFIGURED }, | |
6240 | { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE, | |
6241 | HCI_MGMT_UNCONFIGURED }, | |
6242 | { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE, | |
6243 | HCI_MGMT_UNCONFIGURED }, | |
6244 | { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE, | |
6245 | HCI_MGMT_VAR_LEN }, | |
0f4e68cf JH |
6246 | }; |
6247 | ||
6d785aa3 JH |
6248 | int mgmt_control(struct hci_mgmt_chan *chan, struct sock *sk, |
6249 | struct msghdr *msg, size_t msglen) | |
0381101f | 6250 | { |
650f726d VCG |
6251 | void *buf; |
6252 | u8 *cp; | |
0381101f | 6253 | struct mgmt_hdr *hdr; |
4e51eae9 | 6254 | u16 opcode, index, len; |
bdb6d971 | 6255 | struct hci_dev *hdev = NULL; |
6d785aa3 | 6256 | const struct hci_mgmt_handler *handler; |
b9a245fb | 6257 | bool var_len, no_hdev; |
0381101f JH |
6258 | int err; |
6259 | ||
6260 | BT_DBG("got %zu bytes", msglen); | |
6261 | ||
6262 | if (msglen < sizeof(*hdr)) | |
6263 | return -EINVAL; | |
6264 | ||
e63a15ec | 6265 | buf = kmalloc(msglen, GFP_KERNEL); |
0381101f JH |
6266 | if (!buf) |
6267 | return -ENOMEM; | |
6268 | ||
6ce8e9ce | 6269 | if (memcpy_from_msg(buf, msg, msglen)) { |
0381101f JH |
6270 | err = -EFAULT; |
6271 | goto done; | |
6272 | } | |
6273 | ||
650f726d | 6274 | hdr = buf; |
1f350c87 MH |
6275 | opcode = __le16_to_cpu(hdr->opcode); |
6276 | index = __le16_to_cpu(hdr->index); | |
6277 | len = __le16_to_cpu(hdr->len); | |
0381101f JH |
6278 | |
6279 | if (len != msglen - sizeof(*hdr)) { | |
6280 | err = -EINVAL; | |
6281 | goto done; | |
6282 | } | |
6283 | ||
b9a245fb JH |
6284 | if (opcode >= chan->handler_count || |
6285 | chan->handlers[opcode].func == NULL) { | |
6286 | BT_DBG("Unknown op %u", opcode); | |
a69e8375 JH |
6287 | err = mgmt_cmd_status(sk, index, opcode, |
6288 | MGMT_STATUS_UNKNOWN_COMMAND); | |
b9a245fb JH |
6289 | goto done; |
6290 | } | |
6291 | ||
6292 | handler = &chan->handlers[opcode]; | |
6293 | ||
0f4e68cf | 6294 | if (index != MGMT_INDEX_NONE) { |
bdb6d971 JH |
6295 | hdev = hci_dev_get(index); |
6296 | if (!hdev) { | |
a69e8375 JH |
6297 | err = mgmt_cmd_status(sk, index, opcode, |
6298 | MGMT_STATUS_INVALID_INDEX); | |
bdb6d971 JH |
6299 | goto done; |
6300 | } | |
0736cfa8 | 6301 | |
d7a5a11d MH |
6302 | if (hci_dev_test_flag(hdev, HCI_SETUP) || |
6303 | hci_dev_test_flag(hdev, HCI_CONFIG) || | |
6304 | hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) { | |
a69e8375 JH |
6305 | err = mgmt_cmd_status(sk, index, opcode, |
6306 | MGMT_STATUS_INVALID_INDEX); | |
0736cfa8 MH |
6307 | goto done; |
6308 | } | |
42a9bc14 | 6309 | |
d7a5a11d | 6310 | if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) && |
b9a245fb | 6311 | !(handler->flags & HCI_MGMT_UNCONFIGURED)) { |
a69e8375 JH |
6312 | err = mgmt_cmd_status(sk, index, opcode, |
6313 | MGMT_STATUS_INVALID_INDEX); | |
42a9bc14 MH |
6314 | goto done; |
6315 | } | |
bdb6d971 JH |
6316 | } |
6317 | ||
b9a245fb JH |
6318 | no_hdev = (handler->flags & HCI_MGMT_NO_HDEV); |
6319 | if (no_hdev != !hdev) { | |
a69e8375 JH |
6320 | err = mgmt_cmd_status(sk, index, opcode, |
6321 | MGMT_STATUS_INVALID_INDEX); | |
0f4e68cf | 6322 | goto done; |
0381101f JH |
6323 | } |
6324 | ||
b9a245fb JH |
6325 | var_len = (handler->flags & HCI_MGMT_VAR_LEN); |
6326 | if ((var_len && len < handler->data_len) || | |
6327 | (!var_len && len != handler->data_len)) { | |
a69e8375 JH |
6328 | err = mgmt_cmd_status(sk, index, opcode, |
6329 | MGMT_STATUS_INVALID_PARAMS); | |
be22b54e JH |
6330 | goto done; |
6331 | } | |
6332 | ||
0f4e68cf JH |
6333 | if (hdev) |
6334 | mgmt_init_hdev(sk, hdev); | |
6335 | ||
6336 | cp = buf + sizeof(*hdr); | |
6337 | ||
be22b54e | 6338 | err = handler->func(sk, hdev, cp, len); |
e41d8b4e JH |
6339 | if (err < 0) |
6340 | goto done; | |
6341 | ||
0381101f JH |
6342 | err = msglen; |
6343 | ||
6344 | done: | |
bdb6d971 JH |
6345 | if (hdev) |
6346 | hci_dev_put(hdev); | |
6347 | ||
0381101f JH |
6348 | kfree(buf); |
6349 | return err; | |
6350 | } | |
c71e97bf | 6351 | |
bf6b56db | 6352 | void mgmt_index_added(struct hci_dev *hdev) |
c71e97bf | 6353 | { |
1514b892 | 6354 | if (hdev->dev_type != HCI_BREDR) |
bf6b56db | 6355 | return; |
bb4b2a9a | 6356 | |
0602a8ad MH |
6357 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) |
6358 | return; | |
6359 | ||
d7a5a11d | 6360 | if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) |
0602a8ad MH |
6361 | mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL); |
6362 | else | |
6363 | mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL); | |
c71e97bf JH |
6364 | } |
6365 | ||
bf6b56db | 6366 | void mgmt_index_removed(struct hci_dev *hdev) |
c71e97bf | 6367 | { |
5f159032 | 6368 | u8 status = MGMT_STATUS_INVALID_INDEX; |
b24752fe | 6369 | |
1514b892 | 6370 | if (hdev->dev_type != HCI_BREDR) |
bf6b56db | 6371 | return; |
bb4b2a9a | 6372 | |
0602a8ad MH |
6373 | if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) |
6374 | return; | |
6375 | ||
1b9b5ee5 | 6376 | mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status); |
b24752fe | 6377 | |
d7a5a11d | 6378 | if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) |
edd3896b MH |
6379 | mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL); |
6380 | else | |
6381 | mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL); | |
eec8d2bc JH |
6382 | } |
6383 | ||
6046dc3e | 6384 | /* This function requires the caller holds hdev->lock */ |
2cf22218 | 6385 | static void restart_le_actions(struct hci_request *req) |
6046dc3e | 6386 | { |
2cf22218 | 6387 | struct hci_dev *hdev = req->hdev; |
6046dc3e AG |
6388 | struct hci_conn_params *p; |
6389 | ||
6390 | list_for_each_entry(p, &hdev->le_conn_params, list) { | |
d7347f3c JH |
6391 | /* Needed for AUTO_OFF case where might not "really" |
6392 | * have been powered off. | |
6393 | */ | |
6394 | list_del_init(&p->action); | |
6395 | ||
6396 | switch (p->auto_connect) { | |
4b9e7e75 | 6397 | case HCI_AUTO_CONN_DIRECT: |
d7347f3c JH |
6398 | case HCI_AUTO_CONN_ALWAYS: |
6399 | list_add(&p->action, &hdev->pend_le_conns); | |
6400 | break; | |
6401 | case HCI_AUTO_CONN_REPORT: | |
6402 | list_add(&p->action, &hdev->pend_le_reports); | |
6403 | break; | |
6404 | default: | |
6405 | break; | |
c83ed19d | 6406 | } |
6046dc3e | 6407 | } |
c83ed19d | 6408 | |
2cf22218 | 6409 | __hci_update_background_scan(req); |
6046dc3e AG |
6410 | } |
6411 | ||
1904a853 | 6412 | static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
229ab39c JH |
6413 | { |
6414 | struct cmd_lookup match = { NULL, hdev }; | |
6415 | ||
6416 | BT_DBG("status 0x%02x", status); | |
6417 | ||
162a3bac MH |
6418 | if (!status) { |
6419 | /* Register the available SMP channels (BR/EDR and LE) only | |
6420 | * when successfully powering on the controller. This late | |
6421 | * registration is required so that LE SMP can clearly | |
6422 | * decide if the public address or static address is used. | |
6423 | */ | |
6424 | smp_register(hdev); | |
6425 | } | |
6426 | ||
229ab39c JH |
6427 | hci_dev_lock(hdev); |
6428 | ||
6429 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); | |
6430 | ||
6431 | new_settings(hdev, match.sk); | |
6432 | ||
6433 | hci_dev_unlock(hdev); | |
6434 | ||
6435 | if (match.sk) | |
6436 | sock_put(match.sk); | |
6437 | } | |
6438 | ||
70da6243 | 6439 | static int powered_update_hci(struct hci_dev *hdev) |
5add6af8 | 6440 | { |
890ea898 | 6441 | struct hci_request req; |
70da6243 | 6442 | u8 link_sec; |
5add6af8 | 6443 | |
890ea898 JH |
6444 | hci_req_init(&req, hdev); |
6445 | ||
d7a5a11d | 6446 | if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && |
70da6243 | 6447 | !lmp_host_ssp_capable(hdev)) { |
574ea3c7 | 6448 | u8 mode = 0x01; |
5e5282bb | 6449 | |
574ea3c7 MH |
6450 | hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode); |
6451 | ||
6452 | if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) { | |
6453 | u8 support = 0x01; | |
5add6af8 | 6454 | |
574ea3c7 MH |
6455 | hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, |
6456 | sizeof(support), &support); | |
6457 | } | |
ec6f99b8 JH |
6458 | } |
6459 | ||
d7a5a11d | 6460 | if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) && |
c73eee91 | 6461 | lmp_bredr_capable(hdev)) { |
70da6243 | 6462 | struct hci_cp_write_le_host_supported cp; |
f0ff92fb | 6463 | |
32226e4f MH |
6464 | cp.le = 0x01; |
6465 | cp.simul = 0x00; | |
3d1cbdd6 | 6466 | |
70da6243 JH |
6467 | /* Check first if we already have the right |
6468 | * host state (host features set) | |
6469 | */ | |
6470 | if (cp.le != lmp_host_le_capable(hdev) || | |
6471 | cp.simul != lmp_host_le_br_capable(hdev)) | |
890ea898 JH |
6472 | hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, |
6473 | sizeof(cp), &cp); | |
70da6243 | 6474 | } |
3d1cbdd6 | 6475 | |
d13eafce | 6476 | if (lmp_le_capable(hdev)) { |
441ad2d0 MH |
6477 | /* Make sure the controller has a good default for |
6478 | * advertising data. This also applies to the case | |
6479 | * where BR/EDR was toggled during the AUTO_OFF phase. | |
6480 | */ | |
d7a5a11d | 6481 | if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) { |
5947f4bc | 6482 | update_adv_data(&req); |
f14d8f64 MH |
6483 | update_scan_rsp_data(&req); |
6484 | } | |
441ad2d0 | 6485 | |
d7a5a11d | 6486 | if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
bba3aa55 | 6487 | enable_advertising(&req); |
2cf22218 JH |
6488 | |
6489 | restart_le_actions(&req); | |
eeca6f89 JH |
6490 | } |
6491 | ||
d7a5a11d | 6492 | link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY); |
70da6243 | 6493 | if (link_sec != test_bit(HCI_AUTH, &hdev->flags)) |
890ea898 JH |
6494 | hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE, |
6495 | sizeof(link_sec), &link_sec); | |
562fcc24 | 6496 | |
70da6243 | 6497 | if (lmp_bredr_capable(hdev)) { |
d7a5a11d | 6498 | if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) |
406ef2a6 JH |
6499 | write_fast_connectable(&req, true); |
6500 | else | |
6501 | write_fast_connectable(&req, false); | |
1d2dc5b7 | 6502 | __hci_update_page_scan(&req); |
890ea898 | 6503 | update_class(&req); |
13928971 | 6504 | update_name(&req); |
890ea898 | 6505 | update_eir(&req); |
70da6243 | 6506 | } |
562fcc24 | 6507 | |
229ab39c | 6508 | return hci_req_run(&req, powered_complete); |
70da6243 | 6509 | } |
562fcc24 | 6510 | |
70da6243 JH |
6511 | int mgmt_powered(struct hci_dev *hdev, u8 powered) |
6512 | { | |
6513 | struct cmd_lookup match = { NULL, hdev }; | |
9845904f | 6514 | u8 status, zero_cod[] = { 0, 0, 0 }; |
70da6243 | 6515 | int err; |
f0ff92fb | 6516 | |
d7a5a11d | 6517 | if (!hci_dev_test_flag(hdev, HCI_MGMT)) |
70da6243 JH |
6518 | return 0; |
6519 | ||
70da6243 | 6520 | if (powered) { |
229ab39c JH |
6521 | if (powered_update_hci(hdev) == 0) |
6522 | return 0; | |
fe038884 | 6523 | |
229ab39c JH |
6524 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, |
6525 | &match); | |
6526 | goto new_settings; | |
b24752fe JH |
6527 | } |
6528 | ||
229ab39c | 6529 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); |
9845904f JH |
6530 | |
6531 | /* If the power off is because of hdev unregistration let | |
6532 | * use the appropriate INVALID_INDEX status. Otherwise use | |
6533 | * NOT_POWERED. We cover both scenarios here since later in | |
6534 | * mgmt_index_removed() any hci_conn callbacks will have already | |
6535 | * been triggered, potentially causing misleading DISCONNECTED | |
6536 | * status responses. | |
6537 | */ | |
d7a5a11d | 6538 | if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) |
9845904f JH |
6539 | status = MGMT_STATUS_INVALID_INDEX; |
6540 | else | |
6541 | status = MGMT_STATUS_NOT_POWERED; | |
6542 | ||
6543 | mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status); | |
229ab39c JH |
6544 | |
6545 | if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) | |
6546 | mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, | |
6547 | zero_cod, sizeof(zero_cod), NULL); | |
6548 | ||
6549 | new_settings: | |
beadb2bd | 6550 | err = new_settings(hdev, match.sk); |
eec8d2bc JH |
6551 | |
6552 | if (match.sk) | |
6553 | sock_put(match.sk); | |
6554 | ||
7bb895d6 | 6555 | return err; |
5add6af8 | 6556 | } |
73f22f62 | 6557 | |
3eec705e | 6558 | void mgmt_set_powered_failed(struct hci_dev *hdev, int err) |
96570ffc | 6559 | { |
3b0602cd | 6560 | struct mgmt_pending_cmd *cmd; |
96570ffc JH |
6561 | u8 status; |
6562 | ||
6563 | cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev); | |
6564 | if (!cmd) | |
3eec705e | 6565 | return; |
96570ffc JH |
6566 | |
6567 | if (err == -ERFKILL) | |
6568 | status = MGMT_STATUS_RFKILLED; | |
6569 | else | |
6570 | status = MGMT_STATUS_FAILED; | |
6571 | ||
a69e8375 | 6572 | mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status); |
96570ffc JH |
6573 | |
6574 | mgmt_pending_remove(cmd); | |
96570ffc JH |
6575 | } |
6576 | ||
d1967ff8 MH |
6577 | void mgmt_discoverable_timeout(struct hci_dev *hdev) |
6578 | { | |
6579 | struct hci_request req; | |
d1967ff8 MH |
6580 | |
6581 | hci_dev_lock(hdev); | |
6582 | ||
6583 | /* When discoverable timeout triggers, then just make sure | |
6584 | * the limited discoverable flag is cleared. Even in the case | |
6585 | * of a timeout triggered from general discoverable, it is | |
6586 | * safe to unconditionally clear the flag. | |
6587 | */ | |
a358dc11 MH |
6588 | hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); |
6589 | hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); | |
d1967ff8 MH |
6590 | |
6591 | hci_req_init(&req, hdev); | |
d7a5a11d | 6592 | if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { |
4b580614 JH |
6593 | u8 scan = SCAN_PAGE; |
6594 | hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, | |
6595 | sizeof(scan), &scan); | |
6596 | } | |
d1967ff8 | 6597 | update_class(&req); |
9a43e25f | 6598 | update_adv_data(&req); |
d1967ff8 MH |
6599 | hci_req_run(&req, NULL); |
6600 | ||
6601 | hdev->discov_timeout = 0; | |
6602 | ||
9a43e25f JH |
6603 | new_settings(hdev, NULL); |
6604 | ||
d1967ff8 MH |
6605 | hci_dev_unlock(hdev); |
6606 | } | |
6607 | ||
dc4a5ee2 MH |
6608 | void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, |
6609 | bool persistent) | |
55ed8ca1 | 6610 | { |
86742e1e | 6611 | struct mgmt_ev_new_link_key ev; |
55ed8ca1 | 6612 | |
a492cd52 | 6613 | memset(&ev, 0, sizeof(ev)); |
55ed8ca1 | 6614 | |
a492cd52 | 6615 | ev.store_hint = persistent; |
d753fdc4 | 6616 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
591f47f3 | 6617 | ev.key.addr.type = BDADDR_BREDR; |
a492cd52 | 6618 | ev.key.type = key->type; |
9b3b4460 | 6619 | memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); |
a492cd52 | 6620 | ev.key.pin_len = key->pin_len; |
55ed8ca1 | 6621 | |
dc4a5ee2 | 6622 | mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); |
55ed8ca1 | 6623 | } |
f7520543 | 6624 | |
d7b25450 JH |
6625 | static u8 mgmt_ltk_type(struct smp_ltk *ltk) |
6626 | { | |
23fb8de3 JH |
6627 | switch (ltk->type) { |
6628 | case SMP_LTK: | |
6629 | case SMP_LTK_SLAVE: | |
6630 | if (ltk->authenticated) | |
6631 | return MGMT_LTK_AUTHENTICATED; | |
6632 | return MGMT_LTK_UNAUTHENTICATED; | |
6633 | case SMP_LTK_P256: | |
6634 | if (ltk->authenticated) | |
6635 | return MGMT_LTK_P256_AUTH; | |
6636 | return MGMT_LTK_P256_UNAUTH; | |
6637 | case SMP_LTK_P256_DEBUG: | |
6638 | return MGMT_LTK_P256_DEBUG; | |
6639 | } | |
d7b25450 JH |
6640 | |
6641 | return MGMT_LTK_UNAUTHENTICATED; | |
6642 | } | |
6643 | ||
53ac6ab6 | 6644 | void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent) |
346af67b VCG |
6645 | { |
6646 | struct mgmt_ev_new_long_term_key ev; | |
6647 | ||
6648 | memset(&ev, 0, sizeof(ev)); | |
6649 | ||
5192d301 MH |
6650 | /* Devices using resolvable or non-resolvable random addresses |
6651 | * without providing an indentity resolving key don't require | |
6652 | * to store long term keys. Their addresses will change the | |
6653 | * next time around. | |
6654 | * | |
6655 | * Only when a remote device provides an identity address | |
6656 | * make sure the long term key is stored. If the remote | |
6657 | * identity is known, the long term keys are internally | |
6658 | * mapped to the identity address. So allow static random | |
6659 | * and public addresses here. | |
6660 | */ | |
ba74b666 JH |
6661 | if (key->bdaddr_type == ADDR_LE_DEV_RANDOM && |
6662 | (key->bdaddr.b[5] & 0xc0) != 0xc0) | |
6663 | ev.store_hint = 0x00; | |
6664 | else | |
53ac6ab6 | 6665 | ev.store_hint = persistent; |
ba74b666 | 6666 | |
346af67b | 6667 | bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
57c1477c | 6668 | ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type); |
d7b25450 | 6669 | ev.key.type = mgmt_ltk_type(key); |
346af67b VCG |
6670 | ev.key.enc_size = key->enc_size; |
6671 | ev.key.ediv = key->ediv; | |
fe39c7b2 | 6672 | ev.key.rand = key->rand; |
346af67b | 6673 | |
2ceba539 | 6674 | if (key->type == SMP_LTK) |
346af67b VCG |
6675 | ev.key.master = 1; |
6676 | ||
346af67b VCG |
6677 | memcpy(ev.key.val, key->val, sizeof(key->val)); |
6678 | ||
083368f7 | 6679 | mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL); |
346af67b VCG |
6680 | } |
6681 | ||
95fbac8a JH |
6682 | void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk) |
6683 | { | |
6684 | struct mgmt_ev_new_irk ev; | |
6685 | ||
6686 | memset(&ev, 0, sizeof(ev)); | |
6687 | ||
bab6d1e5 MH |
6688 | /* For identity resolving keys from devices that are already |
6689 | * using a public address or static random address, do not | |
6690 | * ask for storing this key. The identity resolving key really | |
6691 | * is only mandatory for devices using resovlable random | |
6692 | * addresses. | |
6693 | * | |
6694 | * Storing all identity resolving keys has the downside that | |
6695 | * they will be also loaded on next boot of they system. More | |
6696 | * identity resolving keys, means more time during scanning is | |
6697 | * needed to actually resolve these addresses. | |
6698 | */ | |
6699 | if (bacmp(&irk->rpa, BDADDR_ANY)) | |
6700 | ev.store_hint = 0x01; | |
6701 | else | |
6702 | ev.store_hint = 0x00; | |
6703 | ||
95fbac8a JH |
6704 | bacpy(&ev.rpa, &irk->rpa); |
6705 | bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr); | |
6706 | ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type); | |
6707 | memcpy(ev.irk.val, irk->val, sizeof(irk->val)); | |
6708 | ||
6709 | mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL); | |
6710 | } | |
6711 | ||
53ac6ab6 MH |
6712 | void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, |
6713 | bool persistent) | |
7ee4ea36 MH |
6714 | { |
6715 | struct mgmt_ev_new_csrk ev; | |
6716 | ||
6717 | memset(&ev, 0, sizeof(ev)); | |
6718 | ||
6719 | /* Devices using resolvable or non-resolvable random addresses | |
6720 | * without providing an indentity resolving key don't require | |
6721 | * to store signature resolving keys. Their addresses will change | |
6722 | * the next time around. | |
6723 | * | |
6724 | * Only when a remote device provides an identity address | |
6725 | * make sure the signature resolving key is stored. So allow | |
6726 | * static random and public addresses here. | |
6727 | */ | |
6728 | if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM && | |
6729 | (csrk->bdaddr.b[5] & 0xc0) != 0xc0) | |
6730 | ev.store_hint = 0x00; | |
6731 | else | |
53ac6ab6 | 6732 | ev.store_hint = persistent; |
7ee4ea36 MH |
6733 | |
6734 | bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr); | |
6735 | ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type); | |
4cd3928a | 6736 | ev.key.type = csrk->type; |
7ee4ea36 MH |
6737 | memcpy(ev.key.val, csrk->val, sizeof(csrk->val)); |
6738 | ||
6739 | mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL); | |
6740 | } | |
6741 | ||
ffb5a827 | 6742 | void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, |
f4869e2a JH |
6743 | u8 bdaddr_type, u8 store_hint, u16 min_interval, |
6744 | u16 max_interval, u16 latency, u16 timeout) | |
ffb5a827 AG |
6745 | { |
6746 | struct mgmt_ev_new_conn_param ev; | |
6747 | ||
c103aea6 JH |
6748 | if (!hci_is_identity_address(bdaddr, bdaddr_type)) |
6749 | return; | |
6750 | ||
ffb5a827 AG |
6751 | memset(&ev, 0, sizeof(ev)); |
6752 | bacpy(&ev.addr.bdaddr, bdaddr); | |
6753 | ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type); | |
f4869e2a | 6754 | ev.store_hint = store_hint; |
ffb5a827 AG |
6755 | ev.min_interval = cpu_to_le16(min_interval); |
6756 | ev.max_interval = cpu_to_le16(max_interval); | |
6757 | ev.latency = cpu_to_le16(latency); | |
6758 | ev.timeout = cpu_to_le16(timeout); | |
6759 | ||
6760 | mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL); | |
6761 | } | |
6762 | ||
94933991 MH |
6763 | static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, |
6764 | u8 data_len) | |
6765 | { | |
6766 | eir[eir_len++] = sizeof(type) + data_len; | |
6767 | eir[eir_len++] = type; | |
6768 | memcpy(&eir[eir_len], data, data_len); | |
6769 | eir_len += data_len; | |
6770 | ||
6771 | return eir_len; | |
6772 | } | |
6773 | ||
48ec92fa AA |
6774 | void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, |
6775 | u32 flags, u8 *name, u8 name_len) | |
f7520543 | 6776 | { |
b644ba33 JH |
6777 | char buf[512]; |
6778 | struct mgmt_ev_device_connected *ev = (void *) buf; | |
6779 | u16 eir_len = 0; | |
f7520543 | 6780 | |
48ec92fa AA |
6781 | bacpy(&ev->addr.bdaddr, &conn->dst); |
6782 | ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
f7520543 | 6783 | |
c95f0ba7 | 6784 | ev->flags = __cpu_to_le32(flags); |
08c79b61 | 6785 | |
fd45ada9 AA |
6786 | /* We must ensure that the EIR Data fields are ordered and |
6787 | * unique. Keep it simple for now and avoid the problem by not | |
6788 | * adding any BR/EDR data to the LE adv. | |
6789 | */ | |
6790 | if (conn->le_adv_data_len > 0) { | |
6791 | memcpy(&ev->eir[eir_len], | |
6792 | conn->le_adv_data, conn->le_adv_data_len); | |
6793 | eir_len = conn->le_adv_data_len; | |
6794 | } else { | |
6795 | if (name_len > 0) | |
6796 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, | |
6797 | name, name_len); | |
b644ba33 | 6798 | |
ddbea5cf | 6799 | if (memcmp(conn->dev_class, "\0\0\0", 3) != 0) |
fd45ada9 AA |
6800 | eir_len = eir_append_data(ev->eir, eir_len, |
6801 | EIR_CLASS_OF_DEV, | |
6802 | conn->dev_class, 3); | |
6803 | } | |
b644ba33 | 6804 | |
eb55ef07 | 6805 | ev->eir_len = cpu_to_le16(eir_len); |
b644ba33 | 6806 | |
ecd90ae7 MH |
6807 | mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf, |
6808 | sizeof(*ev) + eir_len, NULL); | |
f7520543 JH |
6809 | } |
6810 | ||
3b0602cd | 6811 | static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data) |
8962ee74 | 6812 | { |
8962ee74 | 6813 | struct sock **sk = data; |
8962ee74 | 6814 | |
f5818c22 | 6815 | cmd->cmd_complete(cmd, 0); |
8962ee74 JH |
6816 | |
6817 | *sk = cmd->sk; | |
6818 | sock_hold(*sk); | |
6819 | ||
a664b5bc | 6820 | mgmt_pending_remove(cmd); |
8962ee74 JH |
6821 | } |
6822 | ||
3b0602cd | 6823 | static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data) |
a8a1d19e | 6824 | { |
b1078ad0 | 6825 | struct hci_dev *hdev = data; |
124f6e35 | 6826 | struct mgmt_cp_unpair_device *cp = cmd->param; |
a8a1d19e | 6827 | |
b1078ad0 JH |
6828 | device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk); |
6829 | ||
d8b7b1e4 | 6830 | cmd->cmd_complete(cmd, 0); |
a8a1d19e JH |
6831 | mgmt_pending_remove(cmd); |
6832 | } | |
6833 | ||
84c61d92 JH |
6834 | bool mgmt_powering_down(struct hci_dev *hdev) |
6835 | { | |
3b0602cd | 6836 | struct mgmt_pending_cmd *cmd; |
84c61d92 JH |
6837 | struct mgmt_mode *cp; |
6838 | ||
6839 | cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev); | |
6840 | if (!cmd) | |
6841 | return false; | |
6842 | ||
6843 | cp = cmd->param; | |
6844 | if (!cp->val) | |
6845 | return true; | |
6846 | ||
6847 | return false; | |
6848 | } | |
6849 | ||
9b80ec5e | 6850 | void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
12d4a3b2 JH |
6851 | u8 link_type, u8 addr_type, u8 reason, |
6852 | bool mgmt_connected) | |
f7520543 | 6853 | { |
f0d6a0ea | 6854 | struct mgmt_ev_device_disconnected ev; |
8962ee74 | 6855 | struct sock *sk = NULL; |
8962ee74 | 6856 | |
84c61d92 JH |
6857 | /* The connection is still in hci_conn_hash so test for 1 |
6858 | * instead of 0 to know if this is the last one. | |
6859 | */ | |
6860 | if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) { | |
6861 | cancel_delayed_work(&hdev->power_off); | |
6862 | queue_work(hdev->req_workqueue, &hdev->power_off.work); | |
8b064a3a JH |
6863 | } |
6864 | ||
12d4a3b2 JH |
6865 | if (!mgmt_connected) |
6866 | return; | |
6867 | ||
57eb776f AG |
6868 | if (link_type != ACL_LINK && link_type != LE_LINK) |
6869 | return; | |
6870 | ||
744cf19e | 6871 | mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); |
f7520543 | 6872 | |
f0d6a0ea MA |
6873 | bacpy(&ev.addr.bdaddr, bdaddr); |
6874 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
6875 | ev.reason = reason; | |
f7520543 | 6876 | |
9b80ec5e | 6877 | mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk); |
8962ee74 JH |
6878 | |
6879 | if (sk) | |
d97dcb66 | 6880 | sock_put(sk); |
8962ee74 | 6881 | |
124f6e35 | 6882 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
04124681 | 6883 | hdev); |
8962ee74 JH |
6884 | } |
6885 | ||
7892924c MH |
6886 | void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
6887 | u8 link_type, u8 addr_type, u8 status) | |
8962ee74 | 6888 | { |
3655bba8 AG |
6889 | u8 bdaddr_type = link_to_bdaddr(link_type, addr_type); |
6890 | struct mgmt_cp_disconnect *cp; | |
3b0602cd | 6891 | struct mgmt_pending_cmd *cmd; |
8962ee74 | 6892 | |
36a75f1b JD |
6893 | mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
6894 | hdev); | |
6895 | ||
2e58ef3e | 6896 | cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev); |
8962ee74 | 6897 | if (!cmd) |
7892924c | 6898 | return; |
8962ee74 | 6899 | |
3655bba8 AG |
6900 | cp = cmd->param; |
6901 | ||
6902 | if (bacmp(bdaddr, &cp->addr.bdaddr)) | |
6903 | return; | |
6904 | ||
6905 | if (cp->addr.type != bdaddr_type) | |
6906 | return; | |
6907 | ||
f5818c22 | 6908 | cmd->cmd_complete(cmd, mgmt_status(status)); |
a664b5bc | 6909 | mgmt_pending_remove(cmd); |
f7520543 | 6910 | } |
17d5c04c | 6911 | |
445608d0 MH |
6912 | void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
6913 | u8 addr_type, u8 status) | |
17d5c04c JH |
6914 | { |
6915 | struct mgmt_ev_connect_failed ev; | |
c9910d0f | 6916 | |
84c61d92 JH |
6917 | /* The connection is still in hci_conn_hash so test for 1 |
6918 | * instead of 0 to know if this is the last one. | |
6919 | */ | |
6920 | if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) { | |
6921 | cancel_delayed_work(&hdev->power_off); | |
6922 | queue_work(hdev->req_workqueue, &hdev->power_off.work); | |
c9910d0f | 6923 | } |
17d5c04c | 6924 | |
4c659c39 | 6925 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 6926 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
ca69b795 | 6927 | ev.status = mgmt_status(status); |
17d5c04c | 6928 | |
445608d0 | 6929 | mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); |
17d5c04c | 6930 | } |
980e1a53 | 6931 | |
ce0e4a0d | 6932 | void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) |
980e1a53 JH |
6933 | { |
6934 | struct mgmt_ev_pin_code_request ev; | |
6935 | ||
d8457698 | 6936 | bacpy(&ev.addr.bdaddr, bdaddr); |
591f47f3 | 6937 | ev.addr.type = BDADDR_BREDR; |
a770bb5a | 6938 | ev.secure = secure; |
980e1a53 | 6939 | |
ce0e4a0d | 6940 | mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL); |
980e1a53 JH |
6941 | } |
6942 | ||
e669cf80 MH |
6943 | void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
6944 | u8 status) | |
980e1a53 | 6945 | { |
3b0602cd | 6946 | struct mgmt_pending_cmd *cmd; |
980e1a53 | 6947 | |
2e58ef3e | 6948 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev); |
980e1a53 | 6949 | if (!cmd) |
e669cf80 | 6950 | return; |
980e1a53 | 6951 | |
7776d1d8 | 6952 | cmd->cmd_complete(cmd, mgmt_status(status)); |
a664b5bc | 6953 | mgmt_pending_remove(cmd); |
980e1a53 JH |
6954 | } |
6955 | ||
3eb38528 MH |
6956 | void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
6957 | u8 status) | |
980e1a53 | 6958 | { |
3b0602cd | 6959 | struct mgmt_pending_cmd *cmd; |
980e1a53 | 6960 | |
2e58ef3e | 6961 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev); |
980e1a53 | 6962 | if (!cmd) |
3eb38528 | 6963 | return; |
980e1a53 | 6964 | |
7776d1d8 | 6965 | cmd->cmd_complete(cmd, mgmt_status(status)); |
a664b5bc | 6966 | mgmt_pending_remove(cmd); |
980e1a53 | 6967 | } |
a5c29683 | 6968 | |
744cf19e | 6969 | int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
39adbffe | 6970 | u8 link_type, u8 addr_type, u32 value, |
04124681 | 6971 | u8 confirm_hint) |
a5c29683 JH |
6972 | { |
6973 | struct mgmt_ev_user_confirm_request ev; | |
6974 | ||
744cf19e | 6975 | BT_DBG("%s", hdev->name); |
a5c29683 | 6976 | |
272d90df | 6977 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 6978 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
55bc1a37 | 6979 | ev.confirm_hint = confirm_hint; |
39adbffe | 6980 | ev.value = cpu_to_le32(value); |
a5c29683 | 6981 | |
744cf19e | 6982 | return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev), |
04124681 | 6983 | NULL); |
a5c29683 JH |
6984 | } |
6985 | ||
272d90df | 6986 | int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8ce8e2b5 | 6987 | u8 link_type, u8 addr_type) |
604086b7 BG |
6988 | { |
6989 | struct mgmt_ev_user_passkey_request ev; | |
6990 | ||
6991 | BT_DBG("%s", hdev->name); | |
6992 | ||
272d90df | 6993 | bacpy(&ev.addr.bdaddr, bdaddr); |
57c1477c | 6994 | ev.addr.type = link_to_bdaddr(link_type, addr_type); |
604086b7 BG |
6995 | |
6996 | return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev), | |
04124681 | 6997 | NULL); |
604086b7 BG |
6998 | } |
6999 | ||
0df4c185 | 7000 | static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
8ce8e2b5 GP |
7001 | u8 link_type, u8 addr_type, u8 status, |
7002 | u8 opcode) | |
a5c29683 | 7003 | { |
3b0602cd | 7004 | struct mgmt_pending_cmd *cmd; |
a5c29683 | 7005 | |
2e58ef3e | 7006 | cmd = mgmt_pending_find(opcode, hdev); |
a5c29683 JH |
7007 | if (!cmd) |
7008 | return -ENOENT; | |
7009 | ||
7776d1d8 | 7010 | cmd->cmd_complete(cmd, mgmt_status(status)); |
a664b5bc | 7011 | mgmt_pending_remove(cmd); |
a5c29683 | 7012 | |
7776d1d8 | 7013 | return 0; |
a5c29683 JH |
7014 | } |
7015 | ||
744cf19e | 7016 | int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 7017 | u8 link_type, u8 addr_type, u8 status) |
a5c29683 | 7018 | { |
272d90df | 7019 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
04124681 | 7020 | status, MGMT_OP_USER_CONFIRM_REPLY); |
a5c29683 JH |
7021 | } |
7022 | ||
272d90df | 7023 | int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 7024 | u8 link_type, u8 addr_type, u8 status) |
a5c29683 | 7025 | { |
272d90df | 7026 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
8fc9ced3 GP |
7027 | status, |
7028 | MGMT_OP_USER_CONFIRM_NEG_REPLY); | |
a5c29683 | 7029 | } |
2a611692 | 7030 | |
604086b7 | 7031 | int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 7032 | u8 link_type, u8 addr_type, u8 status) |
604086b7 | 7033 | { |
272d90df | 7034 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
04124681 | 7035 | status, MGMT_OP_USER_PASSKEY_REPLY); |
604086b7 BG |
7036 | } |
7037 | ||
272d90df | 7038 | int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
04124681 | 7039 | u8 link_type, u8 addr_type, u8 status) |
604086b7 | 7040 | { |
272d90df | 7041 | return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
8fc9ced3 GP |
7042 | status, |
7043 | MGMT_OP_USER_PASSKEY_NEG_REPLY); | |
604086b7 BG |
7044 | } |
7045 | ||
92a25256 JH |
7046 | int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, |
7047 | u8 link_type, u8 addr_type, u32 passkey, | |
7048 | u8 entered) | |
7049 | { | |
7050 | struct mgmt_ev_passkey_notify ev; | |
7051 | ||
7052 | BT_DBG("%s", hdev->name); | |
7053 | ||
7054 | bacpy(&ev.addr.bdaddr, bdaddr); | |
7055 | ev.addr.type = link_to_bdaddr(link_type, addr_type); | |
7056 | ev.passkey = __cpu_to_le32(passkey); | |
7057 | ev.entered = entered; | |
7058 | ||
7059 | return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL); | |
7060 | } | |
7061 | ||
e1e930f5 | 7062 | void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status) |
2a611692 JH |
7063 | { |
7064 | struct mgmt_ev_auth_failed ev; | |
3b0602cd | 7065 | struct mgmt_pending_cmd *cmd; |
e1e930f5 | 7066 | u8 status = mgmt_status(hci_status); |
2a611692 | 7067 | |
e1e930f5 JH |
7068 | bacpy(&ev.addr.bdaddr, &conn->dst); |
7069 | ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type); | |
7070 | ev.status = status; | |
2a611692 | 7071 | |
e1e930f5 JH |
7072 | cmd = find_pairing(conn); |
7073 | ||
7074 | mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev), | |
7075 | cmd ? cmd->sk : NULL); | |
7076 | ||
a511b35b JH |
7077 | if (cmd) { |
7078 | cmd->cmd_complete(cmd, status); | |
7079 | mgmt_pending_remove(cmd); | |
7080 | } | |
2a611692 | 7081 | } |
b312b161 | 7082 | |
464996ae | 7083 | void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) |
33ef95ed JH |
7084 | { |
7085 | struct cmd_lookup match = { NULL, hdev }; | |
464996ae | 7086 | bool changed; |
33ef95ed JH |
7087 | |
7088 | if (status) { | |
7089 | u8 mgmt_err = mgmt_status(status); | |
7090 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, | |
04124681 | 7091 | cmd_status_rsp, &mgmt_err); |
464996ae | 7092 | return; |
33ef95ed JH |
7093 | } |
7094 | ||
464996ae MH |
7095 | if (test_bit(HCI_AUTH, &hdev->flags)) |
7096 | changed = !test_and_set_bit(HCI_LINK_SECURITY, | |
7097 | &hdev->dev_flags); | |
7098 | else | |
7099 | changed = test_and_clear_bit(HCI_LINK_SECURITY, | |
7100 | &hdev->dev_flags); | |
47990ea0 | 7101 | |
33ef95ed | 7102 | mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp, |
04124681 | 7103 | &match); |
33ef95ed | 7104 | |
47990ea0 | 7105 | if (changed) |
464996ae | 7106 | new_settings(hdev, match.sk); |
33ef95ed JH |
7107 | |
7108 | if (match.sk) | |
7109 | sock_put(match.sk); | |
33ef95ed JH |
7110 | } |
7111 | ||
890ea898 | 7112 | static void clear_eir(struct hci_request *req) |
cacaf52f | 7113 | { |
890ea898 | 7114 | struct hci_dev *hdev = req->hdev; |
cacaf52f JH |
7115 | struct hci_cp_write_eir cp; |
7116 | ||
976eb20e | 7117 | if (!lmp_ext_inq_capable(hdev)) |
890ea898 | 7118 | return; |
cacaf52f | 7119 | |
c80da27e JH |
7120 | memset(hdev->eir, 0, sizeof(hdev->eir)); |
7121 | ||
cacaf52f JH |
7122 | memset(&cp, 0, sizeof(cp)); |
7123 | ||
890ea898 | 7124 | hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); |
cacaf52f JH |
7125 | } |
7126 | ||
3e248560 | 7127 | void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) |
ed2c4ee3 JH |
7128 | { |
7129 | struct cmd_lookup match = { NULL, hdev }; | |
890ea898 | 7130 | struct hci_request req; |
c0ecddc2 | 7131 | bool changed = false; |
ed2c4ee3 JH |
7132 | |
7133 | if (status) { | |
7134 | u8 mgmt_err = mgmt_status(status); | |
c0ecddc2 JH |
7135 | |
7136 | if (enable && test_and_clear_bit(HCI_SSP_ENABLED, | |
9ecb3e24 | 7137 | &hdev->dev_flags)) { |
a358dc11 | 7138 | hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
3e248560 | 7139 | new_settings(hdev, NULL); |
9ecb3e24 | 7140 | } |
c0ecddc2 | 7141 | |
04124681 GP |
7142 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp, |
7143 | &mgmt_err); | |
3e248560 | 7144 | return; |
c0ecddc2 JH |
7145 | } |
7146 | ||
7147 | if (enable) { | |
9ecb3e24 | 7148 | changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); |
c0ecddc2 | 7149 | } else { |
9ecb3e24 MH |
7150 | changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); |
7151 | if (!changed) | |
7152 | changed = test_and_clear_bit(HCI_HS_ENABLED, | |
7153 | &hdev->dev_flags); | |
7154 | else | |
a358dc11 | 7155 | hci_dev_clear_flag(hdev, HCI_HS_ENABLED); |
ed2c4ee3 JH |
7156 | } |
7157 | ||
7158 | mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match); | |
7159 | ||
c0ecddc2 | 7160 | if (changed) |
3e248560 | 7161 | new_settings(hdev, match.sk); |
ed2c4ee3 | 7162 | |
5fc6ebb1 | 7163 | if (match.sk) |
ed2c4ee3 JH |
7164 | sock_put(match.sk); |
7165 | ||
890ea898 JH |
7166 | hci_req_init(&req, hdev); |
7167 | ||
d7a5a11d MH |
7168 | if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) { |
7169 | if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) | |
3769972b JH |
7170 | hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE, |
7171 | sizeof(enable), &enable); | |
890ea898 | 7172 | update_eir(&req); |
3769972b | 7173 | } else { |
890ea898 | 7174 | clear_eir(&req); |
3769972b | 7175 | } |
890ea898 JH |
7176 | |
7177 | hci_req_run(&req, NULL); | |
ed2c4ee3 JH |
7178 | } |
7179 | ||
3b0602cd | 7180 | static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data) |
90e70454 JH |
7181 | { |
7182 | struct cmd_lookup *match = data; | |
7183 | ||
90e70454 JH |
7184 | if (match->sk == NULL) { |
7185 | match->sk = cmd->sk; | |
7186 | sock_hold(match->sk); | |
7187 | } | |
90e70454 JH |
7188 | } |
7189 | ||
4e1b0245 MH |
7190 | void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
7191 | u8 status) | |
7f9a903c | 7192 | { |
90e70454 | 7193 | struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; |
7f9a903c | 7194 | |
92da6097 JH |
7195 | mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match); |
7196 | mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match); | |
7197 | mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match); | |
90e70454 JH |
7198 | |
7199 | if (!status) | |
4e1b0245 MH |
7200 | mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3, |
7201 | NULL); | |
90e70454 JH |
7202 | |
7203 | if (match.sk) | |
7204 | sock_put(match.sk); | |
7f9a903c MH |
7205 | } |
7206 | ||
7667da34 | 7207 | void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) |
b312b161 | 7208 | { |
b312b161 | 7209 | struct mgmt_cp_set_local_name ev; |
3b0602cd | 7210 | struct mgmt_pending_cmd *cmd; |
28cc7bde | 7211 | |
13928971 | 7212 | if (status) |
7667da34 | 7213 | return; |
b312b161 JH |
7214 | |
7215 | memset(&ev, 0, sizeof(ev)); | |
7216 | memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); | |
28cc7bde | 7217 | memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH); |
b312b161 | 7218 | |
2e58ef3e | 7219 | cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); |
13928971 JH |
7220 | if (!cmd) { |
7221 | memcpy(hdev->dev_name, name, sizeof(hdev->dev_name)); | |
28cc7bde | 7222 | |
13928971 JH |
7223 | /* If this is a HCI command related to powering on the |
7224 | * HCI dev don't send any mgmt signals. | |
7225 | */ | |
7226 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) | |
7667da34 | 7227 | return; |
890ea898 | 7228 | } |
b312b161 | 7229 | |
7667da34 MH |
7230 | mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), |
7231 | cmd ? cmd->sk : NULL); | |
b312b161 | 7232 | } |
c35938b2 | 7233 | |
4d2d2796 | 7234 | void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192, |
38da1703 JH |
7235 | u8 *rand192, u8 *hash256, u8 *rand256, |
7236 | u8 status) | |
c35938b2 | 7237 | { |
3b0602cd | 7238 | struct mgmt_pending_cmd *cmd; |
c35938b2 | 7239 | |
744cf19e | 7240 | BT_DBG("%s status %u", hdev->name, status); |
c35938b2 | 7241 | |
2e58ef3e | 7242 | cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev); |
c35938b2 | 7243 | if (!cmd) |
3edaf092 | 7244 | return; |
c35938b2 SJ |
7245 | |
7246 | if (status) { | |
a69e8375 JH |
7247 | mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
7248 | mgmt_status(status)); | |
c35938b2 | 7249 | } else { |
66f096f7 JH |
7250 | struct mgmt_rp_read_local_oob_data rp; |
7251 | size_t rp_size = sizeof(rp); | |
4d2d2796 | 7252 | |
66f096f7 JH |
7253 | memcpy(rp.hash192, hash192, sizeof(rp.hash192)); |
7254 | memcpy(rp.rand192, rand192, sizeof(rp.rand192)); | |
c35938b2 | 7255 | |
66f096f7 | 7256 | if (bredr_sc_enabled(hdev) && hash256 && rand256) { |
4d2d2796 | 7257 | memcpy(rp.hash256, hash256, sizeof(rp.hash256)); |
38da1703 | 7258 | memcpy(rp.rand256, rand256, sizeof(rp.rand256)); |
4d2d2796 | 7259 | } else { |
66f096f7 | 7260 | rp_size -= sizeof(rp.hash256) + sizeof(rp.rand256); |
4d2d2796 | 7261 | } |
66f096f7 | 7262 | |
2a1afb5a JH |
7263 | mgmt_cmd_complete(cmd->sk, hdev->id, |
7264 | MGMT_OP_READ_LOCAL_OOB_DATA, 0, | |
7265 | &rp, rp_size); | |
c35938b2 SJ |
7266 | } |
7267 | ||
7268 | mgmt_pending_remove(cmd); | |
c35938b2 | 7269 | } |
e17acd40 | 7270 | |
799ce93d JP |
7271 | static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16]) |
7272 | { | |
7273 | int i; | |
7274 | ||
7275 | for (i = 0; i < uuid_count; i++) { | |
7276 | if (!memcmp(uuid, uuids[i], 16)) | |
7277 | return true; | |
7278 | } | |
7279 | ||
7280 | return false; | |
7281 | } | |
7282 | ||
b487b9ce MH |
7283 | static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16]) |
7284 | { | |
799ce93d JP |
7285 | u16 parsed = 0; |
7286 | ||
7287 | while (parsed < eir_len) { | |
7288 | u8 field_len = eir[0]; | |
7289 | u8 uuid[16]; | |
7290 | int i; | |
7291 | ||
7292 | if (field_len == 0) | |
7293 | break; | |
7294 | ||
7295 | if (eir_len - parsed < field_len + 1) | |
7296 | break; | |
7297 | ||
7298 | switch (eir[1]) { | |
7299 | case EIR_UUID16_ALL: | |
7300 | case EIR_UUID16_SOME: | |
7301 | for (i = 0; i + 3 <= field_len; i += 2) { | |
189f6ad2 | 7302 | memcpy(uuid, bluetooth_base_uuid, 16); |
799ce93d JP |
7303 | uuid[13] = eir[i + 3]; |
7304 | uuid[12] = eir[i + 2]; | |
7305 | if (has_uuid(uuid, uuid_count, uuids)) | |
7306 | return true; | |
7307 | } | |
7308 | break; | |
7309 | case EIR_UUID32_ALL: | |
7310 | case EIR_UUID32_SOME: | |
7311 | for (i = 0; i + 5 <= field_len; i += 4) { | |
189f6ad2 | 7312 | memcpy(uuid, bluetooth_base_uuid, 16); |
799ce93d JP |
7313 | uuid[15] = eir[i + 5]; |
7314 | uuid[14] = eir[i + 4]; | |
7315 | uuid[13] = eir[i + 3]; | |
7316 | uuid[12] = eir[i + 2]; | |
7317 | if (has_uuid(uuid, uuid_count, uuids)) | |
7318 | return true; | |
7319 | } | |
7320 | break; | |
7321 | case EIR_UUID128_ALL: | |
7322 | case EIR_UUID128_SOME: | |
7323 | for (i = 0; i + 17 <= field_len; i += 16) { | |
7324 | memcpy(uuid, eir + i + 2, 16); | |
7325 | if (has_uuid(uuid, uuid_count, uuids)) | |
7326 | return true; | |
7327 | } | |
7328 | break; | |
7329 | } | |
7330 | ||
7331 | parsed += field_len + 1; | |
7332 | eir += field_len + 1; | |
7333 | } | |
7334 | ||
b487b9ce MH |
7335 | return false; |
7336 | } | |
7337 | ||
4b0e0ced JP |
7338 | static void restart_le_scan(struct hci_dev *hdev) |
7339 | { | |
7340 | /* If controller is not scanning we are done. */ | |
d7a5a11d | 7341 | if (!hci_dev_test_flag(hdev, HCI_LE_SCAN)) |
4b0e0ced JP |
7342 | return; |
7343 | ||
7344 | if (time_after(jiffies + DISCOV_LE_RESTART_DELAY, | |
7345 | hdev->discovery.scan_start + | |
7346 | hdev->discovery.scan_duration)) | |
7347 | return; | |
7348 | ||
7349 | queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart, | |
7350 | DISCOV_LE_RESTART_DELAY); | |
7351 | } | |
7352 | ||
48f86b7f JP |
7353 | static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir, |
7354 | u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len) | |
e17acd40 | 7355 | { |
48f86b7f JP |
7356 | /* If a RSSI threshold has been specified, and |
7357 | * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with | |
7358 | * a RSSI smaller than the RSSI threshold will be dropped. If the quirk | |
7359 | * is set, let it through for further processing, as we might need to | |
7360 | * restart the scan. | |
efb2513f MH |
7361 | * |
7362 | * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry, | |
7363 | * the results are also dropped. | |
bda157a4 MH |
7364 | */ |
7365 | if (hdev->discovery.rssi != HCI_RSSI_INVALID && | |
4b0e0ced JP |
7366 | (rssi == HCI_RSSI_INVALID || |
7367 | (rssi < hdev->discovery.rssi && | |
7368 | !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)))) | |
48f86b7f | 7369 | return false; |
efb2513f | 7370 | |
2976cdeb JP |
7371 | if (hdev->discovery.uuid_count != 0) { |
7372 | /* If a list of UUIDs is provided in filter, results with no | |
7373 | * matching UUID should be dropped. | |
b487b9ce | 7374 | */ |
2976cdeb JP |
7375 | if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count, |
7376 | hdev->discovery.uuids) && | |
7377 | !eir_has_uuids(scan_rsp, scan_rsp_len, | |
7378 | hdev->discovery.uuid_count, | |
7379 | hdev->discovery.uuids)) | |
7380 | return false; | |
b487b9ce | 7381 | } |
5d2e9fad | 7382 | |
2976cdeb JP |
7383 | /* If duplicate filtering does not report RSSI changes, then restart |
7384 | * scanning to ensure updated result with updated RSSI values. | |
4b0e0ced | 7385 | */ |
2976cdeb JP |
7386 | if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) { |
7387 | restart_le_scan(hdev); | |
7388 | ||
7389 | /* Validate RSSI value against the RSSI threshold once more. */ | |
7390 | if (hdev->discovery.rssi != HCI_RSSI_INVALID && | |
7391 | rssi < hdev->discovery.rssi) | |
7392 | return false; | |
7393 | } | |
48f86b7f JP |
7394 | |
7395 | return true; | |
7396 | } | |
7397 | ||
7398 | void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, | |
7399 | u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, | |
7400 | u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len) | |
7401 | { | |
7402 | char buf[512]; | |
7403 | struct mgmt_ev_device_found *ev = (void *)buf; | |
7404 | size_t ev_size; | |
7405 | ||
7406 | /* Don't send events for a non-kernel initiated discovery. With | |
7407 | * LE one exception is if we have pend_le_reports > 0 in which | |
7408 | * case we're doing passive scanning and want these events. | |
7409 | */ | |
7410 | if (!hci_discovery_active(hdev)) { | |
7411 | if (link_type == ACL_LINK) | |
7412 | return; | |
7413 | if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports)) | |
7414 | return; | |
7415 | } | |
7416 | ||
82f8b651 | 7417 | if (hdev->discovery.result_filtering) { |
48f86b7f JP |
7418 | /* We are using service discovery */ |
7419 | if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp, | |
7420 | scan_rsp_len)) | |
7421 | return; | |
7422 | } | |
7423 | ||
7424 | /* Make sure that the buffer is big enough. The 5 extra bytes | |
7425 | * are for the potential CoD field. | |
7426 | */ | |
7427 | if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf)) | |
4b0e0ced JP |
7428 | return; |
7429 | ||
48f86b7f JP |
7430 | memset(buf, 0, sizeof(buf)); |
7431 | ||
7432 | /* In case of device discovery with BR/EDR devices (pre 1.2), the | |
7433 | * RSSI value was reported as 0 when not available. This behavior | |
7434 | * is kept when using device discovery. This is required for full | |
7435 | * backwards compatibility with the API. | |
7436 | * | |
7437 | * However when using service discovery, the value 127 will be | |
7438 | * returned when the RSSI is not available. | |
7439 | */ | |
7440 | if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi && | |
7441 | link_type == ACL_LINK) | |
7442 | rssi = 0; | |
7443 | ||
7444 | bacpy(&ev->addr.bdaddr, bdaddr); | |
7445 | ev->addr.type = link_to_bdaddr(link_type, addr_type); | |
7446 | ev->rssi = rssi; | |
7447 | ev->flags = cpu_to_le32(flags); | |
7448 | ||
7449 | if (eir_len > 0) | |
7450 | /* Copy EIR or advertising data into event */ | |
7451 | memcpy(ev->eir, eir, eir_len); | |
7452 | ||
7453 | if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV)) | |
7454 | eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV, | |
7455 | dev_class, 3); | |
7456 | ||
7457 | if (scan_rsp_len > 0) | |
7458 | /* Append scan response data to event */ | |
7459 | memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len); | |
7460 | ||
5d2e9fad JH |
7461 | ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len); |
7462 | ev_size = sizeof(*ev) + eir_len + scan_rsp_len; | |
f8523598 | 7463 | |
901801b9 | 7464 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); |
e17acd40 | 7465 | } |
a88a9652 | 7466 | |
9cf12aee MH |
7467 | void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
7468 | u8 addr_type, s8 rssi, u8 *name, u8 name_len) | |
a88a9652 | 7469 | { |
b644ba33 JH |
7470 | struct mgmt_ev_device_found *ev; |
7471 | char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2]; | |
7472 | u16 eir_len; | |
a88a9652 | 7473 | |
b644ba33 | 7474 | ev = (struct mgmt_ev_device_found *) buf; |
a88a9652 | 7475 | |
b644ba33 JH |
7476 | memset(buf, 0, sizeof(buf)); |
7477 | ||
7478 | bacpy(&ev->addr.bdaddr, bdaddr); | |
57c1477c | 7479 | ev->addr.type = link_to_bdaddr(link_type, addr_type); |
b644ba33 JH |
7480 | ev->rssi = rssi; |
7481 | ||
7482 | eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name, | |
04124681 | 7483 | name_len); |
b644ba33 | 7484 | |
eb55ef07 | 7485 | ev->eir_len = cpu_to_le16(eir_len); |
a88a9652 | 7486 | |
9cf12aee | 7487 | mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL); |
a88a9652 | 7488 | } |
314b2381 | 7489 | |
2f1e063b | 7490 | void mgmt_discovering(struct hci_dev *hdev, u8 discovering) |
314b2381 | 7491 | { |
f963e8e9 | 7492 | struct mgmt_ev_discovering ev; |
164a6e78 | 7493 | |
343fb145 AG |
7494 | BT_DBG("%s discovering %u", hdev->name, discovering); |
7495 | ||
f963e8e9 JH |
7496 | memset(&ev, 0, sizeof(ev)); |
7497 | ev.type = hdev->discovery.type; | |
7498 | ev.discovering = discovering; | |
7499 | ||
2f1e063b | 7500 | mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL); |
314b2381 | 7501 | } |
5e762444 | 7502 | |
1904a853 | 7503 | static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) |
5976e608 MH |
7504 | { |
7505 | BT_DBG("%s status %u", hdev->name, status); | |
5976e608 MH |
7506 | } |
7507 | ||
7508 | void mgmt_reenable_advertising(struct hci_dev *hdev) | |
7509 | { | |
7510 | struct hci_request req; | |
7511 | ||
d7a5a11d | 7512 | if (!hci_dev_test_flag(hdev, HCI_ADVERTISING)) |
5976e608 MH |
7513 | return; |
7514 | ||
7515 | hci_req_init(&req, hdev); | |
7516 | enable_advertising(&req); | |
0ec5ae84 | 7517 | hci_req_run(&req, adv_enable_complete); |
5976e608 | 7518 | } |
6d785aa3 JH |
7519 | |
7520 | static struct hci_mgmt_chan chan = { | |
7521 | .channel = HCI_CHANNEL_CONTROL, | |
7522 | .handler_count = ARRAY_SIZE(mgmt_handlers), | |
7523 | .handlers = mgmt_handlers, | |
7524 | }; | |
7525 | ||
7526 | int mgmt_init(void) | |
7527 | { | |
7528 | return hci_mgmt_chan_register(&chan); | |
7529 | } | |
7530 | ||
7531 | void mgmt_exit(void) | |
7532 | { | |
7533 | hci_mgmt_chan_unregister(&chan); | |
7534 | } |