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Commit | Line | Data |
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0381101f JH |
1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux | |
3 | Copyright (C) 2010 Nokia Corporation | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License version 2 as | |
7 | published by the Free Software Foundation; | |
8 | ||
9 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
10 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
11 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
12 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
13 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | |
14 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
16 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
17 | ||
18 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
19 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
20 | SOFTWARE IS DISCLAIMED. | |
21 | */ | |
22 | ||
23 | /* Bluetooth HCI Management interface */ | |
24 | ||
72359753 | 25 | #include <linux/uaccess.h> |
0381101f JH |
26 | #include <asm/unaligned.h> |
27 | ||
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | #include <net/bluetooth/mgmt.h> | |
31 | ||
02d98129 JH |
32 | #define MGMT_VERSION 0 |
33 | #define MGMT_REVISION 1 | |
34 | ||
eec8d2bc JH |
35 | struct pending_cmd { |
36 | struct list_head list; | |
37 | __u16 opcode; | |
38 | int index; | |
39 | void *cmd; | |
40 | struct sock *sk; | |
41 | }; | |
42 | ||
43 | LIST_HEAD(cmd_list); | |
44 | ||
f7b64e69 JH |
45 | static int cmd_status(struct sock *sk, u16 cmd, u8 status) |
46 | { | |
47 | struct sk_buff *skb; | |
48 | struct mgmt_hdr *hdr; | |
49 | struct mgmt_ev_cmd_status *ev; | |
50 | ||
51 | BT_DBG("sock %p", sk); | |
52 | ||
53 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC); | |
54 | if (!skb) | |
55 | return -ENOMEM; | |
56 | ||
57 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
58 | ||
59 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS); | |
60 | hdr->len = cpu_to_le16(sizeof(*ev)); | |
61 | ||
62 | ev = (void *) skb_put(skb, sizeof(*ev)); | |
63 | ev->status = status; | |
64 | put_unaligned_le16(cmd, &ev->opcode); | |
65 | ||
66 | if (sock_queue_rcv_skb(sk, skb) < 0) | |
67 | kfree_skb(skb); | |
68 | ||
69 | return 0; | |
70 | } | |
71 | ||
a38528f1 | 72 | static int cmd_complete(struct sock *sk, u16 cmd, void *rp, size_t rp_len) |
02d98129 JH |
73 | { |
74 | struct sk_buff *skb; | |
75 | struct mgmt_hdr *hdr; | |
76 | struct mgmt_ev_cmd_complete *ev; | |
02d98129 JH |
77 | |
78 | BT_DBG("sock %p", sk); | |
79 | ||
a38528f1 | 80 | skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC); |
02d98129 JH |
81 | if (!skb) |
82 | return -ENOMEM; | |
83 | ||
84 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
02d98129 | 85 | |
a38528f1 JH |
86 | hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); |
87 | hdr->len = cpu_to_le16(sizeof(*ev) + rp_len); | |
02d98129 | 88 | |
a38528f1 JH |
89 | ev = (void *) skb_put(skb, sizeof(*ev) + rp_len); |
90 | put_unaligned_le16(cmd, &ev->opcode); | |
91 | memcpy(ev->data, rp, rp_len); | |
02d98129 JH |
92 | |
93 | if (sock_queue_rcv_skb(sk, skb) < 0) | |
94 | kfree_skb(skb); | |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
a38528f1 JH |
99 | static int read_version(struct sock *sk) |
100 | { | |
101 | struct mgmt_rp_read_version rp; | |
102 | ||
103 | BT_DBG("sock %p", sk); | |
104 | ||
105 | rp.version = MGMT_VERSION; | |
106 | put_unaligned_le16(MGMT_REVISION, &rp.revision); | |
107 | ||
108 | return cmd_complete(sk, MGMT_OP_READ_VERSION, &rp, sizeof(rp)); | |
109 | } | |
110 | ||
faba42eb JH |
111 | static int read_index_list(struct sock *sk) |
112 | { | |
faba42eb JH |
113 | struct mgmt_rp_read_index_list *rp; |
114 | struct list_head *p; | |
a38528f1 | 115 | size_t rp_len; |
faba42eb | 116 | u16 count; |
a38528f1 | 117 | int i, err; |
faba42eb JH |
118 | |
119 | BT_DBG("sock %p", sk); | |
120 | ||
121 | read_lock(&hci_dev_list_lock); | |
122 | ||
123 | count = 0; | |
124 | list_for_each(p, &hci_dev_list) { | |
125 | count++; | |
126 | } | |
127 | ||
a38528f1 JH |
128 | rp_len = sizeof(*rp) + (2 * count); |
129 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
130 | if (!rp) { | |
b2c60d42 | 131 | read_unlock(&hci_dev_list_lock); |
faba42eb | 132 | return -ENOMEM; |
b2c60d42 | 133 | } |
faba42eb | 134 | |
faba42eb JH |
135 | put_unaligned_le16(count, &rp->num_controllers); |
136 | ||
137 | i = 0; | |
138 | list_for_each(p, &hci_dev_list) { | |
139 | struct hci_dev *d = list_entry(p, struct hci_dev, list); | |
ab81cbf9 JH |
140 | |
141 | hci_del_off_timer(d); | |
142 | ||
ebc99feb JH |
143 | set_bit(HCI_MGMT, &d->flags); |
144 | ||
ab81cbf9 JH |
145 | if (test_bit(HCI_SETUP, &d->flags)) |
146 | continue; | |
147 | ||
faba42eb JH |
148 | put_unaligned_le16(d->id, &rp->index[i++]); |
149 | BT_DBG("Added hci%u", d->id); | |
150 | } | |
151 | ||
152 | read_unlock(&hci_dev_list_lock); | |
153 | ||
a38528f1 | 154 | err = cmd_complete(sk, MGMT_OP_READ_INDEX_LIST, rp, rp_len); |
faba42eb | 155 | |
a38528f1 JH |
156 | kfree(rp); |
157 | ||
158 | return err; | |
faba42eb JH |
159 | } |
160 | ||
f7b64e69 | 161 | static int read_controller_info(struct sock *sk, unsigned char *data, u16 len) |
0381101f | 162 | { |
a38528f1 JH |
163 | struct mgmt_rp_read_info rp; |
164 | struct mgmt_cp_read_info *cp = (void *) data; | |
f7b64e69 JH |
165 | struct hci_dev *hdev; |
166 | u16 dev_id; | |
0381101f JH |
167 | |
168 | BT_DBG("sock %p", sk); | |
169 | ||
f7b64e69 JH |
170 | if (len != 2) |
171 | return cmd_status(sk, MGMT_OP_READ_INFO, EINVAL); | |
172 | ||
f7b64e69 JH |
173 | dev_id = get_unaligned_le16(&cp->index); |
174 | ||
175 | BT_DBG("request for hci%u", dev_id); | |
176 | ||
177 | hdev = hci_dev_get(dev_id); | |
a38528f1 | 178 | if (!hdev) |
f7b64e69 | 179 | return cmd_status(sk, MGMT_OP_READ_INFO, ENODEV); |
f7b64e69 | 180 | |
ab81cbf9 JH |
181 | hci_del_off_timer(hdev); |
182 | ||
f7b64e69 JH |
183 | hci_dev_lock_bh(hdev); |
184 | ||
ebc99feb JH |
185 | set_bit(HCI_MGMT, &hdev->flags); |
186 | ||
a38528f1 JH |
187 | put_unaligned_le16(hdev->id, &rp.index); |
188 | rp.type = hdev->dev_type; | |
f7b64e69 | 189 | |
a38528f1 JH |
190 | rp.powered = test_bit(HCI_UP, &hdev->flags); |
191 | rp.connectable = test_bit(HCI_PSCAN, &hdev->flags); | |
192 | rp.discoverable = test_bit(HCI_ISCAN, &hdev->flags); | |
193 | rp.pairable = test_bit(HCI_PSCAN, &hdev->flags); | |
f7b64e69 JH |
194 | |
195 | if (test_bit(HCI_AUTH, &hdev->flags)) | |
a38528f1 | 196 | rp.sec_mode = 3; |
f7b64e69 | 197 | else if (hdev->ssp_mode > 0) |
a38528f1 | 198 | rp.sec_mode = 4; |
f7b64e69 | 199 | else |
a38528f1 | 200 | rp.sec_mode = 2; |
f7b64e69 | 201 | |
a38528f1 JH |
202 | bacpy(&rp.bdaddr, &hdev->bdaddr); |
203 | memcpy(rp.features, hdev->features, 8); | |
204 | memcpy(rp.dev_class, hdev->dev_class, 3); | |
205 | put_unaligned_le16(hdev->manufacturer, &rp.manufacturer); | |
206 | rp.hci_ver = hdev->hci_ver; | |
207 | put_unaligned_le16(hdev->hci_rev, &rp.hci_rev); | |
f7b64e69 JH |
208 | |
209 | hci_dev_unlock_bh(hdev); | |
210 | hci_dev_put(hdev); | |
0381101f | 211 | |
a38528f1 | 212 | return cmd_complete(sk, MGMT_OP_READ_INFO, &rp, sizeof(rp)); |
0381101f JH |
213 | } |
214 | ||
eec8d2bc JH |
215 | static void mgmt_pending_free(struct pending_cmd *cmd) |
216 | { | |
217 | sock_put(cmd->sk); | |
218 | kfree(cmd->cmd); | |
219 | kfree(cmd); | |
220 | } | |
221 | ||
366a0336 JH |
222 | static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, |
223 | u16 index, void *data, u16 len) | |
eec8d2bc JH |
224 | { |
225 | struct pending_cmd *cmd; | |
226 | ||
227 | cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC); | |
228 | if (!cmd) | |
366a0336 | 229 | return NULL; |
eec8d2bc JH |
230 | |
231 | cmd->opcode = opcode; | |
232 | cmd->index = index; | |
233 | ||
234 | cmd->cmd = kmalloc(len, GFP_ATOMIC); | |
235 | if (!cmd->cmd) { | |
236 | kfree(cmd); | |
366a0336 | 237 | return NULL; |
eec8d2bc JH |
238 | } |
239 | ||
240 | memcpy(cmd->cmd, data, len); | |
241 | ||
242 | cmd->sk = sk; | |
243 | sock_hold(sk); | |
244 | ||
245 | list_add(&cmd->list, &cmd_list); | |
246 | ||
366a0336 | 247 | return cmd; |
eec8d2bc JH |
248 | } |
249 | ||
250 | static void mgmt_pending_foreach(u16 opcode, int index, | |
251 | void (*cb)(struct pending_cmd *cmd, void *data), | |
252 | void *data) | |
253 | { | |
254 | struct list_head *p, *n; | |
255 | ||
256 | list_for_each_safe(p, n, &cmd_list) { | |
257 | struct pending_cmd *cmd; | |
258 | ||
259 | cmd = list_entry(p, struct pending_cmd, list); | |
260 | ||
261 | if (cmd->opcode != opcode) | |
262 | continue; | |
263 | ||
264 | if (index >= 0 && cmd->index != index) | |
265 | continue; | |
266 | ||
267 | cb(cmd, data); | |
268 | } | |
269 | } | |
270 | ||
271 | static struct pending_cmd *mgmt_pending_find(u16 opcode, int index) | |
272 | { | |
273 | struct list_head *p; | |
274 | ||
275 | list_for_each(p, &cmd_list) { | |
276 | struct pending_cmd *cmd; | |
277 | ||
278 | cmd = list_entry(p, struct pending_cmd, list); | |
279 | ||
280 | if (cmd->opcode != opcode) | |
281 | continue; | |
282 | ||
283 | if (index >= 0 && cmd->index != index) | |
284 | continue; | |
285 | ||
286 | return cmd; | |
287 | } | |
288 | ||
289 | return NULL; | |
290 | } | |
291 | ||
73f22f62 JH |
292 | static void mgmt_pending_remove(u16 opcode, int index) |
293 | { | |
294 | struct pending_cmd *cmd; | |
295 | ||
296 | cmd = mgmt_pending_find(opcode, index); | |
297 | if (cmd == NULL) | |
298 | return; | |
299 | ||
300 | list_del(&cmd->list); | |
301 | mgmt_pending_free(cmd); | |
302 | } | |
303 | ||
eec8d2bc JH |
304 | static int set_powered(struct sock *sk, unsigned char *data, u16 len) |
305 | { | |
72a734ec | 306 | struct mgmt_mode *cp; |
eec8d2bc | 307 | struct hci_dev *hdev; |
366a0336 | 308 | struct pending_cmd *cmd; |
eec8d2bc | 309 | u16 dev_id; |
366a0336 | 310 | int err, up; |
eec8d2bc JH |
311 | |
312 | cp = (void *) data; | |
313 | dev_id = get_unaligned_le16(&cp->index); | |
314 | ||
315 | BT_DBG("request for hci%u", dev_id); | |
316 | ||
317 | hdev = hci_dev_get(dev_id); | |
318 | if (!hdev) | |
319 | return cmd_status(sk, MGMT_OP_SET_POWERED, ENODEV); | |
320 | ||
321 | hci_dev_lock_bh(hdev); | |
322 | ||
323 | up = test_bit(HCI_UP, &hdev->flags); | |
72a734ec | 324 | if ((cp->val && up) || (!cp->val && !up)) { |
366a0336 | 325 | err = cmd_status(sk, MGMT_OP_SET_POWERED, EALREADY); |
eec8d2bc JH |
326 | goto failed; |
327 | } | |
328 | ||
329 | if (mgmt_pending_find(MGMT_OP_SET_POWERED, dev_id)) { | |
366a0336 | 330 | err = cmd_status(sk, MGMT_OP_SET_POWERED, EBUSY); |
eec8d2bc JH |
331 | goto failed; |
332 | } | |
333 | ||
366a0336 JH |
334 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, dev_id, data, len); |
335 | if (!cmd) { | |
336 | err = -ENOMEM; | |
eec8d2bc | 337 | goto failed; |
366a0336 | 338 | } |
eec8d2bc | 339 | |
72a734ec | 340 | if (cp->val) |
eec8d2bc JH |
341 | queue_work(hdev->workqueue, &hdev->power_on); |
342 | else | |
343 | queue_work(hdev->workqueue, &hdev->power_off); | |
344 | ||
366a0336 | 345 | err = 0; |
eec8d2bc JH |
346 | |
347 | failed: | |
348 | hci_dev_unlock_bh(hdev); | |
349 | hci_dev_put(hdev); | |
366a0336 | 350 | return err; |
eec8d2bc JH |
351 | } |
352 | ||
73f22f62 JH |
353 | static int set_discoverable(struct sock *sk, unsigned char *data, u16 len) |
354 | { | |
72a734ec | 355 | struct mgmt_mode *cp; |
73f22f62 | 356 | struct hci_dev *hdev; |
366a0336 | 357 | struct pending_cmd *cmd; |
73f22f62 JH |
358 | u16 dev_id; |
359 | u8 scan; | |
360 | int err; | |
361 | ||
362 | cp = (void *) data; | |
363 | dev_id = get_unaligned_le16(&cp->index); | |
364 | ||
365 | BT_DBG("request for hci%u", dev_id); | |
366 | ||
367 | hdev = hci_dev_get(dev_id); | |
368 | if (!hdev) | |
369 | return cmd_status(sk, MGMT_OP_SET_DISCOVERABLE, ENODEV); | |
370 | ||
371 | hci_dev_lock_bh(hdev); | |
372 | ||
373 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
374 | err = cmd_status(sk, MGMT_OP_SET_DISCOVERABLE, ENETDOWN); | |
375 | goto failed; | |
376 | } | |
377 | ||
378 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, dev_id) || | |
9fbcbb45 | 379 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, dev_id)) { |
73f22f62 JH |
380 | err = cmd_status(sk, MGMT_OP_SET_DISCOVERABLE, EBUSY); |
381 | goto failed; | |
382 | } | |
383 | ||
72a734ec | 384 | if (cp->val == test_bit(HCI_ISCAN, &hdev->flags) && |
73f22f62 JH |
385 | test_bit(HCI_PSCAN, &hdev->flags)) { |
386 | err = cmd_status(sk, MGMT_OP_SET_DISCOVERABLE, EALREADY); | |
387 | goto failed; | |
388 | } | |
389 | ||
366a0336 JH |
390 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, dev_id, data, len); |
391 | if (!cmd) { | |
392 | err = -ENOMEM; | |
73f22f62 | 393 | goto failed; |
366a0336 | 394 | } |
73f22f62 JH |
395 | |
396 | scan = SCAN_PAGE; | |
397 | ||
72a734ec | 398 | if (cp->val) |
73f22f62 JH |
399 | scan |= SCAN_INQUIRY; |
400 | ||
401 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
402 | if (err < 0) | |
403 | mgmt_pending_remove(MGMT_OP_SET_DISCOVERABLE, dev_id); | |
404 | ||
405 | failed: | |
406 | hci_dev_unlock_bh(hdev); | |
407 | hci_dev_put(hdev); | |
408 | ||
409 | return err; | |
410 | } | |
411 | ||
9fbcbb45 JH |
412 | static int set_connectable(struct sock *sk, unsigned char *data, u16 len) |
413 | { | |
72a734ec | 414 | struct mgmt_mode *cp; |
9fbcbb45 | 415 | struct hci_dev *hdev; |
366a0336 | 416 | struct pending_cmd *cmd; |
9fbcbb45 JH |
417 | u16 dev_id; |
418 | u8 scan; | |
419 | int err; | |
420 | ||
421 | cp = (void *) data; | |
422 | dev_id = get_unaligned_le16(&cp->index); | |
423 | ||
424 | BT_DBG("request for hci%u", dev_id); | |
425 | ||
426 | hdev = hci_dev_get(dev_id); | |
427 | if (!hdev) | |
428 | return cmd_status(sk, MGMT_OP_SET_CONNECTABLE, ENODEV); | |
429 | ||
430 | hci_dev_lock_bh(hdev); | |
431 | ||
432 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
433 | err = cmd_status(sk, MGMT_OP_SET_CONNECTABLE, ENETDOWN); | |
434 | goto failed; | |
435 | } | |
436 | ||
437 | if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, dev_id) || | |
438 | mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, dev_id)) { | |
439 | err = cmd_status(sk, MGMT_OP_SET_CONNECTABLE, EBUSY); | |
440 | goto failed; | |
441 | } | |
442 | ||
72a734ec | 443 | if (cp->val == test_bit(HCI_PSCAN, &hdev->flags)) { |
9fbcbb45 JH |
444 | err = cmd_status(sk, MGMT_OP_SET_CONNECTABLE, EALREADY); |
445 | goto failed; | |
446 | } | |
447 | ||
366a0336 JH |
448 | cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, dev_id, data, len); |
449 | if (!cmd) { | |
450 | err = -ENOMEM; | |
9fbcbb45 | 451 | goto failed; |
366a0336 | 452 | } |
9fbcbb45 | 453 | |
72a734ec | 454 | if (cp->val) |
9fbcbb45 JH |
455 | scan = SCAN_PAGE; |
456 | else | |
457 | scan = 0; | |
458 | ||
459 | err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); | |
460 | if (err < 0) | |
461 | mgmt_pending_remove(MGMT_OP_SET_CONNECTABLE, dev_id); | |
462 | ||
463 | failed: | |
464 | hci_dev_unlock_bh(hdev); | |
465 | hci_dev_put(hdev); | |
466 | ||
467 | return err; | |
468 | } | |
469 | ||
c542a06c JH |
470 | static int mgmt_event(u16 event, void *data, u16 data_len, struct sock *skip_sk) |
471 | { | |
472 | struct sk_buff *skb; | |
473 | struct mgmt_hdr *hdr; | |
474 | ||
475 | skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC); | |
476 | if (!skb) | |
477 | return -ENOMEM; | |
478 | ||
479 | bt_cb(skb)->channel = HCI_CHANNEL_CONTROL; | |
480 | ||
481 | hdr = (void *) skb_put(skb, sizeof(*hdr)); | |
482 | hdr->opcode = cpu_to_le16(event); | |
483 | hdr->len = cpu_to_le16(data_len); | |
484 | ||
485 | memcpy(skb_put(skb, data_len), data, data_len); | |
486 | ||
487 | hci_send_to_sock(NULL, skb, skip_sk); | |
488 | kfree_skb(skb); | |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
053f0211 JH |
493 | static int send_mode_rsp(struct sock *sk, u16 opcode, u16 index, u8 val) |
494 | { | |
a38528f1 | 495 | struct mgmt_mode rp; |
053f0211 | 496 | |
a38528f1 JH |
497 | put_unaligned_le16(index, &rp.index); |
498 | rp.val = val; | |
053f0211 | 499 | |
a38528f1 | 500 | return cmd_complete(sk, opcode, &rp, sizeof(rp)); |
053f0211 JH |
501 | } |
502 | ||
c542a06c JH |
503 | static int set_pairable(struct sock *sk, unsigned char *data, u16 len) |
504 | { | |
505 | struct mgmt_mode *cp, ev; | |
506 | struct hci_dev *hdev; | |
507 | u16 dev_id; | |
508 | int err; | |
509 | ||
510 | cp = (void *) data; | |
511 | dev_id = get_unaligned_le16(&cp->index); | |
512 | ||
513 | BT_DBG("request for hci%u", dev_id); | |
514 | ||
515 | hdev = hci_dev_get(dev_id); | |
516 | if (!hdev) | |
517 | return cmd_status(sk, MGMT_OP_SET_PAIRABLE, ENODEV); | |
518 | ||
519 | hci_dev_lock_bh(hdev); | |
520 | ||
521 | if (cp->val) | |
522 | set_bit(HCI_PAIRABLE, &hdev->flags); | |
523 | else | |
524 | clear_bit(HCI_PAIRABLE, &hdev->flags); | |
525 | ||
526 | err = send_mode_rsp(sk, MGMT_OP_SET_PAIRABLE, dev_id, cp->val); | |
527 | if (err < 0) | |
528 | goto failed; | |
529 | ||
530 | put_unaligned_le16(dev_id, &ev.index); | |
531 | ev.val = cp->val; | |
532 | ||
533 | err = mgmt_event(MGMT_EV_PAIRABLE, &ev, sizeof(ev), sk); | |
534 | ||
535 | failed: | |
536 | hci_dev_unlock_bh(hdev); | |
537 | hci_dev_put(hdev); | |
538 | ||
539 | return err; | |
540 | } | |
541 | ||
1aff6f09 JH |
542 | static u8 get_service_classes(struct hci_dev *hdev) |
543 | { | |
544 | struct list_head *p; | |
545 | u8 val = 0; | |
546 | ||
547 | list_for_each(p, &hdev->uuids) { | |
548 | struct bt_uuid *uuid = list_entry(p, struct bt_uuid, list); | |
549 | ||
550 | val |= uuid->svc_hint; | |
551 | } | |
552 | ||
553 | return val; | |
554 | } | |
555 | ||
556 | static int update_class(struct hci_dev *hdev) | |
557 | { | |
558 | u8 cod[3]; | |
559 | ||
560 | BT_DBG("%s", hdev->name); | |
561 | ||
562 | if (test_bit(HCI_SERVICE_CACHE, &hdev->flags)) | |
563 | return 0; | |
564 | ||
565 | cod[0] = hdev->minor_class; | |
566 | cod[1] = hdev->major_class; | |
567 | cod[2] = get_service_classes(hdev); | |
568 | ||
569 | if (memcmp(cod, hdev->dev_class, 3) == 0) | |
570 | return 0; | |
571 | ||
572 | return hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); | |
573 | } | |
574 | ||
2aeb9a1a JH |
575 | static int add_uuid(struct sock *sk, unsigned char *data, u16 len) |
576 | { | |
577 | struct mgmt_cp_add_uuid *cp; | |
578 | struct hci_dev *hdev; | |
579 | struct bt_uuid *uuid; | |
580 | u16 dev_id; | |
581 | int err; | |
582 | ||
583 | cp = (void *) data; | |
584 | dev_id = get_unaligned_le16(&cp->index); | |
585 | ||
586 | BT_DBG("request for hci%u", dev_id); | |
587 | ||
588 | hdev = hci_dev_get(dev_id); | |
589 | if (!hdev) | |
590 | return cmd_status(sk, MGMT_OP_ADD_UUID, ENODEV); | |
591 | ||
592 | hci_dev_lock_bh(hdev); | |
593 | ||
594 | uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC); | |
595 | if (!uuid) { | |
596 | err = -ENOMEM; | |
597 | goto failed; | |
598 | } | |
599 | ||
600 | memcpy(uuid->uuid, cp->uuid, 16); | |
1aff6f09 | 601 | uuid->svc_hint = cp->svc_hint; |
2aeb9a1a JH |
602 | |
603 | list_add(&uuid->list, &hdev->uuids); | |
604 | ||
1aff6f09 JH |
605 | err = update_class(hdev); |
606 | if (err < 0) | |
607 | goto failed; | |
608 | ||
a38528f1 | 609 | err = cmd_complete(sk, MGMT_OP_ADD_UUID, &dev_id, sizeof(dev_id)); |
2aeb9a1a JH |
610 | |
611 | failed: | |
612 | hci_dev_unlock_bh(hdev); | |
613 | hci_dev_put(hdev); | |
614 | ||
615 | return err; | |
616 | } | |
617 | ||
618 | static int remove_uuid(struct sock *sk, unsigned char *data, u16 len) | |
619 | { | |
620 | struct list_head *p, *n; | |
621 | struct mgmt_cp_add_uuid *cp; | |
622 | struct hci_dev *hdev; | |
623 | u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; | |
624 | u16 dev_id; | |
625 | int err, found; | |
626 | ||
627 | cp = (void *) data; | |
628 | dev_id = get_unaligned_le16(&cp->index); | |
629 | ||
630 | BT_DBG("request for hci%u", dev_id); | |
631 | ||
632 | hdev = hci_dev_get(dev_id); | |
633 | if (!hdev) | |
634 | return cmd_status(sk, MGMT_OP_REMOVE_UUID, ENODEV); | |
635 | ||
636 | hci_dev_lock_bh(hdev); | |
637 | ||
638 | if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { | |
639 | err = hci_uuids_clear(hdev); | |
640 | goto unlock; | |
641 | } | |
642 | ||
643 | found = 0; | |
644 | ||
645 | list_for_each_safe(p, n, &hdev->uuids) { | |
646 | struct bt_uuid *match = list_entry(p, struct bt_uuid, list); | |
647 | ||
648 | if (memcmp(match->uuid, cp->uuid, 16) != 0) | |
649 | continue; | |
650 | ||
651 | list_del(&match->list); | |
652 | found++; | |
653 | } | |
654 | ||
655 | if (found == 0) { | |
656 | err = cmd_status(sk, MGMT_OP_REMOVE_UUID, ENOENT); | |
657 | goto unlock; | |
658 | } | |
659 | ||
1aff6f09 JH |
660 | err = update_class(hdev); |
661 | if (err < 0) | |
662 | goto unlock; | |
663 | ||
a38528f1 | 664 | err = cmd_complete(sk, MGMT_OP_REMOVE_UUID, &dev_id, sizeof(dev_id)); |
2aeb9a1a JH |
665 | |
666 | unlock: | |
667 | hci_dev_unlock_bh(hdev); | |
668 | hci_dev_put(hdev); | |
669 | ||
670 | return err; | |
671 | } | |
672 | ||
1aff6f09 JH |
673 | static int set_dev_class(struct sock *sk, unsigned char *data, u16 len) |
674 | { | |
675 | struct hci_dev *hdev; | |
676 | struct mgmt_cp_set_dev_class *cp; | |
677 | u16 dev_id; | |
678 | int err; | |
679 | ||
680 | cp = (void *) data; | |
681 | dev_id = get_unaligned_le16(&cp->index); | |
682 | ||
683 | BT_DBG("request for hci%u", dev_id); | |
684 | ||
685 | hdev = hci_dev_get(dev_id); | |
686 | if (!hdev) | |
687 | return cmd_status(sk, MGMT_OP_SET_DEV_CLASS, ENODEV); | |
688 | ||
689 | hci_dev_lock_bh(hdev); | |
690 | ||
691 | hdev->major_class = cp->major; | |
692 | hdev->minor_class = cp->minor; | |
693 | ||
694 | err = update_class(hdev); | |
695 | ||
696 | if (err == 0) | |
a38528f1 JH |
697 | err = cmd_complete(sk, MGMT_OP_SET_DEV_CLASS, &dev_id, |
698 | sizeof(dev_id)); | |
1aff6f09 JH |
699 | |
700 | hci_dev_unlock_bh(hdev); | |
701 | hci_dev_put(hdev); | |
702 | ||
703 | return err; | |
704 | } | |
705 | ||
706 | static int set_service_cache(struct sock *sk, unsigned char *data, u16 len) | |
707 | { | |
708 | struct hci_dev *hdev; | |
709 | struct mgmt_cp_set_service_cache *cp; | |
710 | u16 dev_id; | |
711 | int err; | |
712 | ||
713 | cp = (void *) data; | |
714 | dev_id = get_unaligned_le16(&cp->index); | |
715 | ||
716 | hdev = hci_dev_get(dev_id); | |
717 | if (!hdev) | |
718 | return cmd_status(sk, MGMT_OP_SET_SERVICE_CACHE, ENODEV); | |
719 | ||
720 | hci_dev_lock_bh(hdev); | |
721 | ||
722 | BT_DBG("hci%u enable %d", dev_id, cp->enable); | |
723 | ||
724 | if (cp->enable) { | |
725 | set_bit(HCI_SERVICE_CACHE, &hdev->flags); | |
726 | err = 0; | |
727 | } else { | |
728 | clear_bit(HCI_SERVICE_CACHE, &hdev->flags); | |
729 | err = update_class(hdev); | |
730 | } | |
731 | ||
732 | if (err == 0) | |
a38528f1 JH |
733 | err = cmd_complete(sk, MGMT_OP_SET_SERVICE_CACHE, &dev_id, |
734 | sizeof(dev_id)); | |
1aff6f09 JH |
735 | |
736 | hci_dev_unlock_bh(hdev); | |
737 | hci_dev_put(hdev); | |
738 | ||
739 | return err; | |
740 | } | |
741 | ||
55ed8ca1 JH |
742 | static int load_keys(struct sock *sk, unsigned char *data, u16 len) |
743 | { | |
744 | struct hci_dev *hdev; | |
745 | struct mgmt_cp_load_keys *cp; | |
746 | u16 dev_id, key_count, expected_len; | |
747 | int i; | |
748 | ||
749 | cp = (void *) data; | |
750 | dev_id = get_unaligned_le16(&cp->index); | |
751 | key_count = get_unaligned_le16(&cp->key_count); | |
752 | ||
753 | expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info); | |
754 | if (expected_len != len) { | |
755 | BT_ERR("load_keys: expected %u bytes, got %u bytes", | |
756 | len, expected_len); | |
757 | return -EINVAL; | |
758 | } | |
759 | ||
760 | hdev = hci_dev_get(dev_id); | |
761 | if (!hdev) | |
762 | return cmd_status(sk, MGMT_OP_LOAD_KEYS, ENODEV); | |
763 | ||
764 | BT_DBG("hci%u debug_keys %u key_count %u", dev_id, cp->debug_keys, | |
765 | key_count); | |
766 | ||
767 | hci_dev_lock_bh(hdev); | |
768 | ||
769 | hci_link_keys_clear(hdev); | |
770 | ||
771 | set_bit(HCI_LINK_KEYS, &hdev->flags); | |
772 | ||
773 | if (cp->debug_keys) | |
774 | set_bit(HCI_DEBUG_KEYS, &hdev->flags); | |
775 | else | |
776 | clear_bit(HCI_DEBUG_KEYS, &hdev->flags); | |
777 | ||
778 | for (i = 0; i < key_count; i++) { | |
779 | struct mgmt_key_info *key = &cp->keys[i]; | |
780 | ||
781 | hci_add_link_key(hdev, 0, &key->bdaddr, key->val, key->type, | |
782 | key->pin_len); | |
783 | } | |
784 | ||
785 | hci_dev_unlock_bh(hdev); | |
786 | hci_dev_put(hdev); | |
787 | ||
788 | return 0; | |
789 | } | |
790 | ||
791 | static int remove_key(struct sock *sk, unsigned char *data, u16 len) | |
792 | { | |
793 | struct hci_dev *hdev; | |
794 | struct mgmt_cp_remove_key *cp; | |
795 | struct hci_conn *conn; | |
796 | u16 dev_id; | |
797 | int err; | |
798 | ||
799 | cp = (void *) data; | |
800 | dev_id = get_unaligned_le16(&cp->index); | |
801 | ||
802 | hdev = hci_dev_get(dev_id); | |
803 | if (!hdev) | |
804 | return cmd_status(sk, MGMT_OP_REMOVE_KEY, ENODEV); | |
805 | ||
806 | hci_dev_lock_bh(hdev); | |
807 | ||
808 | err = hci_remove_link_key(hdev, &cp->bdaddr); | |
809 | if (err < 0) { | |
810 | err = cmd_status(sk, MGMT_OP_REMOVE_KEY, -err); | |
811 | goto unlock; | |
812 | } | |
813 | ||
814 | err = 0; | |
815 | ||
816 | if (!test_bit(HCI_UP, &hdev->flags) || !cp->disconnect) | |
817 | goto unlock; | |
818 | ||
819 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
820 | if (conn) { | |
821 | struct hci_cp_disconnect dc; | |
822 | ||
823 | put_unaligned_le16(conn->handle, &dc.handle); | |
824 | dc.reason = 0x13; /* Remote User Terminated Connection */ | |
825 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, 0, NULL); | |
826 | } | |
827 | ||
828 | unlock: | |
829 | hci_dev_unlock_bh(hdev); | |
830 | hci_dev_put(hdev); | |
831 | ||
832 | return err; | |
833 | } | |
834 | ||
8962ee74 JH |
835 | static int disconnect(struct sock *sk, unsigned char *data, u16 len) |
836 | { | |
837 | struct hci_dev *hdev; | |
838 | struct mgmt_cp_disconnect *cp; | |
839 | struct hci_cp_disconnect dc; | |
366a0336 | 840 | struct pending_cmd *cmd; |
8962ee74 JH |
841 | struct hci_conn *conn; |
842 | u16 dev_id; | |
843 | int err; | |
844 | ||
845 | BT_DBG(""); | |
846 | ||
847 | cp = (void *) data; | |
848 | dev_id = get_unaligned_le16(&cp->index); | |
849 | ||
850 | hdev = hci_dev_get(dev_id); | |
851 | if (!hdev) | |
852 | return cmd_status(sk, MGMT_OP_DISCONNECT, ENODEV); | |
853 | ||
854 | hci_dev_lock_bh(hdev); | |
855 | ||
856 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
857 | err = cmd_status(sk, MGMT_OP_DISCONNECT, ENETDOWN); | |
858 | goto failed; | |
859 | } | |
860 | ||
861 | if (mgmt_pending_find(MGMT_OP_DISCONNECT, dev_id)) { | |
862 | err = cmd_status(sk, MGMT_OP_DISCONNECT, EBUSY); | |
863 | goto failed; | |
864 | } | |
865 | ||
866 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
867 | if (!conn) { | |
868 | err = cmd_status(sk, MGMT_OP_DISCONNECT, ENOTCONN); | |
869 | goto failed; | |
870 | } | |
871 | ||
366a0336 JH |
872 | cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, dev_id, data, len); |
873 | if (!cmd) { | |
874 | err = -ENOMEM; | |
8962ee74 | 875 | goto failed; |
366a0336 | 876 | } |
8962ee74 JH |
877 | |
878 | put_unaligned_le16(conn->handle, &dc.handle); | |
879 | dc.reason = 0x13; /* Remote User Terminated Connection */ | |
880 | ||
881 | err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); | |
882 | if (err < 0) | |
883 | mgmt_pending_remove(MGMT_OP_DISCONNECT, dev_id); | |
884 | ||
885 | failed: | |
886 | hci_dev_unlock_bh(hdev); | |
887 | hci_dev_put(hdev); | |
888 | ||
889 | return err; | |
890 | } | |
891 | ||
2784eb41 JH |
892 | static int get_connections(struct sock *sk, unsigned char *data, u16 len) |
893 | { | |
2784eb41 | 894 | struct mgmt_cp_get_connections *cp; |
2784eb41 JH |
895 | struct mgmt_rp_get_connections *rp; |
896 | struct hci_dev *hdev; | |
897 | struct list_head *p; | |
a38528f1 | 898 | size_t rp_len; |
2784eb41 JH |
899 | u16 dev_id, count; |
900 | int i, err; | |
901 | ||
902 | BT_DBG(""); | |
903 | ||
904 | cp = (void *) data; | |
905 | dev_id = get_unaligned_le16(&cp->index); | |
906 | ||
907 | hdev = hci_dev_get(dev_id); | |
908 | if (!hdev) | |
909 | return cmd_status(sk, MGMT_OP_GET_CONNECTIONS, ENODEV); | |
910 | ||
911 | hci_dev_lock_bh(hdev); | |
912 | ||
913 | count = 0; | |
914 | list_for_each(p, &hdev->conn_hash.list) { | |
915 | count++; | |
916 | } | |
917 | ||
a38528f1 JH |
918 | rp_len = sizeof(*rp) + (count * sizeof(bdaddr_t)); |
919 | rp = kmalloc(rp_len, GFP_ATOMIC); | |
920 | if (!rp) { | |
2784eb41 JH |
921 | err = -ENOMEM; |
922 | goto unlock; | |
923 | } | |
924 | ||
2784eb41 JH |
925 | put_unaligned_le16(dev_id, &rp->index); |
926 | put_unaligned_le16(count, &rp->conn_count); | |
927 | ||
928 | read_lock(&hci_dev_list_lock); | |
929 | ||
930 | i = 0; | |
931 | list_for_each(p, &hdev->conn_hash.list) { | |
932 | struct hci_conn *c = list_entry(p, struct hci_conn, list); | |
933 | ||
934 | bacpy(&rp->conn[i++], &c->dst); | |
935 | } | |
936 | ||
937 | read_unlock(&hci_dev_list_lock); | |
938 | ||
a38528f1 | 939 | err = cmd_complete(sk, MGMT_OP_GET_CONNECTIONS, rp, rp_len); |
2784eb41 JH |
940 | |
941 | unlock: | |
a38528f1 | 942 | kfree(rp); |
2784eb41 JH |
943 | hci_dev_unlock_bh(hdev); |
944 | hci_dev_put(hdev); | |
945 | return err; | |
946 | } | |
947 | ||
980e1a53 JH |
948 | static int pin_code_reply(struct sock *sk, unsigned char *data, u16 len) |
949 | { | |
950 | struct hci_dev *hdev; | |
951 | struct mgmt_cp_pin_code_reply *cp; | |
952 | struct hci_cp_pin_code_reply reply; | |
366a0336 | 953 | struct pending_cmd *cmd; |
980e1a53 JH |
954 | u16 dev_id; |
955 | int err; | |
956 | ||
957 | BT_DBG(""); | |
958 | ||
959 | cp = (void *) data; | |
960 | dev_id = get_unaligned_le16(&cp->index); | |
961 | ||
962 | hdev = hci_dev_get(dev_id); | |
963 | if (!hdev) | |
964 | return cmd_status(sk, MGMT_OP_DISCONNECT, ENODEV); | |
965 | ||
966 | hci_dev_lock_bh(hdev); | |
967 | ||
968 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
969 | err = cmd_status(sk, MGMT_OP_PIN_CODE_REPLY, ENETDOWN); | |
970 | goto failed; | |
971 | } | |
972 | ||
366a0336 JH |
973 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, dev_id, data, len); |
974 | if (!cmd) { | |
975 | err = -ENOMEM; | |
980e1a53 | 976 | goto failed; |
366a0336 | 977 | } |
980e1a53 JH |
978 | |
979 | bacpy(&reply.bdaddr, &cp->bdaddr); | |
980 | reply.pin_len = cp->pin_len; | |
981 | memcpy(reply.pin_code, cp->pin_code, 16); | |
982 | ||
983 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply); | |
984 | if (err < 0) | |
985 | mgmt_pending_remove(MGMT_OP_PIN_CODE_REPLY, dev_id); | |
986 | ||
987 | failed: | |
988 | hci_dev_unlock_bh(hdev); | |
989 | hci_dev_put(hdev); | |
990 | ||
991 | return err; | |
992 | } | |
993 | ||
994 | static int pin_code_neg_reply(struct sock *sk, unsigned char *data, u16 len) | |
995 | { | |
996 | struct hci_dev *hdev; | |
997 | struct mgmt_cp_pin_code_neg_reply *cp; | |
366a0336 | 998 | struct pending_cmd *cmd; |
980e1a53 JH |
999 | u16 dev_id; |
1000 | int err; | |
1001 | ||
1002 | BT_DBG(""); | |
1003 | ||
1004 | cp = (void *) data; | |
1005 | dev_id = get_unaligned_le16(&cp->index); | |
1006 | ||
1007 | hdev = hci_dev_get(dev_id); | |
1008 | if (!hdev) | |
1009 | return cmd_status(sk, MGMT_OP_PIN_CODE_NEG_REPLY, ENODEV); | |
1010 | ||
1011 | hci_dev_lock_bh(hdev); | |
1012 | ||
1013 | if (!test_bit(HCI_UP, &hdev->flags)) { | |
1014 | err = cmd_status(sk, MGMT_OP_PIN_CODE_NEG_REPLY, ENETDOWN); | |
1015 | goto failed; | |
1016 | } | |
1017 | ||
366a0336 | 1018 | cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, dev_id, |
980e1a53 | 1019 | data, len); |
366a0336 JH |
1020 | if (!cmd) { |
1021 | err = -ENOMEM; | |
980e1a53 | 1022 | goto failed; |
366a0336 | 1023 | } |
980e1a53 JH |
1024 | |
1025 | err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, sizeof(bdaddr_t), | |
1026 | &cp->bdaddr); | |
1027 | if (err < 0) | |
1028 | mgmt_pending_remove(MGMT_OP_PIN_CODE_NEG_REPLY, dev_id); | |
1029 | ||
1030 | failed: | |
1031 | hci_dev_unlock_bh(hdev); | |
1032 | hci_dev_put(hdev); | |
1033 | ||
1034 | return err; | |
1035 | } | |
1036 | ||
17fa4b9d JH |
1037 | static int set_io_capability(struct sock *sk, unsigned char *data, u16 len) |
1038 | { | |
1039 | struct hci_dev *hdev; | |
1040 | struct mgmt_cp_set_io_capability *cp; | |
1041 | u16 dev_id; | |
1042 | ||
1043 | BT_DBG(""); | |
1044 | ||
1045 | cp = (void *) data; | |
1046 | dev_id = get_unaligned_le16(&cp->index); | |
1047 | ||
1048 | hdev = hci_dev_get(dev_id); | |
1049 | if (!hdev) | |
1050 | return cmd_status(sk, MGMT_OP_SET_IO_CAPABILITY, ENODEV); | |
1051 | ||
1052 | hci_dev_lock_bh(hdev); | |
1053 | ||
1054 | hdev->io_capability = cp->io_capability; | |
1055 | ||
1056 | BT_DBG("%s IO capability set to 0x%02x", hdev->name, | |
1057 | hdev->io_capability); | |
1058 | ||
1059 | hci_dev_unlock_bh(hdev); | |
1060 | hci_dev_put(hdev); | |
1061 | ||
1062 | return cmd_complete(sk, MGMT_OP_SET_IO_CAPABILITY, | |
1063 | &dev_id, sizeof(dev_id)); | |
1064 | } | |
1065 | ||
0381101f JH |
1066 | int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) |
1067 | { | |
1068 | unsigned char *buf; | |
1069 | struct mgmt_hdr *hdr; | |
1070 | u16 opcode, len; | |
1071 | int err; | |
1072 | ||
1073 | BT_DBG("got %zu bytes", msglen); | |
1074 | ||
1075 | if (msglen < sizeof(*hdr)) | |
1076 | return -EINVAL; | |
1077 | ||
1078 | buf = kmalloc(msglen, GFP_ATOMIC); | |
1079 | if (!buf) | |
1080 | return -ENOMEM; | |
1081 | ||
1082 | if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) { | |
1083 | err = -EFAULT; | |
1084 | goto done; | |
1085 | } | |
1086 | ||
1087 | hdr = (struct mgmt_hdr *) buf; | |
1088 | opcode = get_unaligned_le16(&hdr->opcode); | |
1089 | len = get_unaligned_le16(&hdr->len); | |
1090 | ||
1091 | if (len != msglen - sizeof(*hdr)) { | |
1092 | err = -EINVAL; | |
1093 | goto done; | |
1094 | } | |
1095 | ||
1096 | switch (opcode) { | |
02d98129 JH |
1097 | case MGMT_OP_READ_VERSION: |
1098 | err = read_version(sk); | |
1099 | break; | |
faba42eb JH |
1100 | case MGMT_OP_READ_INDEX_LIST: |
1101 | err = read_index_list(sk); | |
1102 | break; | |
f7b64e69 JH |
1103 | case MGMT_OP_READ_INFO: |
1104 | err = read_controller_info(sk, buf + sizeof(*hdr), len); | |
1105 | break; | |
eec8d2bc JH |
1106 | case MGMT_OP_SET_POWERED: |
1107 | err = set_powered(sk, buf + sizeof(*hdr), len); | |
1108 | break; | |
73f22f62 JH |
1109 | case MGMT_OP_SET_DISCOVERABLE: |
1110 | err = set_discoverable(sk, buf + sizeof(*hdr), len); | |
1111 | break; | |
9fbcbb45 JH |
1112 | case MGMT_OP_SET_CONNECTABLE: |
1113 | err = set_connectable(sk, buf + sizeof(*hdr), len); | |
1114 | break; | |
c542a06c JH |
1115 | case MGMT_OP_SET_PAIRABLE: |
1116 | err = set_pairable(sk, buf + sizeof(*hdr), len); | |
1117 | break; | |
2aeb9a1a JH |
1118 | case MGMT_OP_ADD_UUID: |
1119 | err = add_uuid(sk, buf + sizeof(*hdr), len); | |
1120 | break; | |
1121 | case MGMT_OP_REMOVE_UUID: | |
1122 | err = remove_uuid(sk, buf + sizeof(*hdr), len); | |
1123 | break; | |
1aff6f09 JH |
1124 | case MGMT_OP_SET_DEV_CLASS: |
1125 | err = set_dev_class(sk, buf + sizeof(*hdr), len); | |
1126 | break; | |
1127 | case MGMT_OP_SET_SERVICE_CACHE: | |
1128 | err = set_service_cache(sk, buf + sizeof(*hdr), len); | |
1129 | break; | |
55ed8ca1 JH |
1130 | case MGMT_OP_LOAD_KEYS: |
1131 | err = load_keys(sk, buf + sizeof(*hdr), len); | |
1132 | break; | |
1133 | case MGMT_OP_REMOVE_KEY: | |
1134 | err = remove_key(sk, buf + sizeof(*hdr), len); | |
1135 | break; | |
8962ee74 JH |
1136 | case MGMT_OP_DISCONNECT: |
1137 | err = disconnect(sk, buf + sizeof(*hdr), len); | |
1138 | break; | |
2784eb41 JH |
1139 | case MGMT_OP_GET_CONNECTIONS: |
1140 | err = get_connections(sk, buf + sizeof(*hdr), len); | |
1141 | break; | |
980e1a53 JH |
1142 | case MGMT_OP_PIN_CODE_REPLY: |
1143 | err = pin_code_reply(sk, buf + sizeof(*hdr), len); | |
1144 | break; | |
1145 | case MGMT_OP_PIN_CODE_NEG_REPLY: | |
1146 | err = pin_code_neg_reply(sk, buf + sizeof(*hdr), len); | |
1147 | break; | |
17fa4b9d JH |
1148 | case MGMT_OP_SET_IO_CAPABILITY: |
1149 | err = set_io_capability(sk, buf + sizeof(*hdr), len); | |
1150 | break; | |
0381101f JH |
1151 | default: |
1152 | BT_DBG("Unknown op %u", opcode); | |
e41d8b4e | 1153 | err = cmd_status(sk, opcode, 0x01); |
0381101f JH |
1154 | break; |
1155 | } | |
1156 | ||
e41d8b4e JH |
1157 | if (err < 0) |
1158 | goto done; | |
1159 | ||
0381101f JH |
1160 | err = msglen; |
1161 | ||
1162 | done: | |
1163 | kfree(buf); | |
1164 | return err; | |
1165 | } | |
c71e97bf | 1166 | |
c71e97bf JH |
1167 | int mgmt_index_added(u16 index) |
1168 | { | |
1169 | struct mgmt_ev_index_added ev; | |
1170 | ||
1171 | put_unaligned_le16(index, &ev.index); | |
1172 | ||
eec8d2bc | 1173 | return mgmt_event(MGMT_EV_INDEX_ADDED, &ev, sizeof(ev), NULL); |
c71e97bf JH |
1174 | } |
1175 | ||
1176 | int mgmt_index_removed(u16 index) | |
1177 | { | |
1178 | struct mgmt_ev_index_added ev; | |
1179 | ||
1180 | put_unaligned_le16(index, &ev.index); | |
1181 | ||
eec8d2bc JH |
1182 | return mgmt_event(MGMT_EV_INDEX_REMOVED, &ev, sizeof(ev), NULL); |
1183 | } | |
1184 | ||
73f22f62 | 1185 | struct cmd_lookup { |
72a734ec | 1186 | u8 val; |
eec8d2bc JH |
1187 | struct sock *sk; |
1188 | }; | |
1189 | ||
72a734ec | 1190 | static void mode_rsp(struct pending_cmd *cmd, void *data) |
eec8d2bc | 1191 | { |
72a734ec | 1192 | struct mgmt_mode *cp = cmd->cmd; |
73f22f62 | 1193 | struct cmd_lookup *match = data; |
eec8d2bc | 1194 | |
72a734ec | 1195 | if (cp->val != match->val) |
eec8d2bc JH |
1196 | return; |
1197 | ||
053f0211 | 1198 | send_mode_rsp(cmd->sk, cmd->opcode, cmd->index, cp->val); |
eec8d2bc JH |
1199 | |
1200 | list_del(&cmd->list); | |
1201 | ||
1202 | if (match->sk == NULL) { | |
1203 | match->sk = cmd->sk; | |
1204 | sock_hold(match->sk); | |
1205 | } | |
1206 | ||
1207 | mgmt_pending_free(cmd); | |
c71e97bf | 1208 | } |
5add6af8 JH |
1209 | |
1210 | int mgmt_powered(u16 index, u8 powered) | |
1211 | { | |
72a734ec | 1212 | struct mgmt_mode ev; |
73f22f62 | 1213 | struct cmd_lookup match = { powered, NULL }; |
eec8d2bc | 1214 | int ret; |
5add6af8 | 1215 | |
72a734ec | 1216 | mgmt_pending_foreach(MGMT_OP_SET_POWERED, index, mode_rsp, &match); |
5add6af8 | 1217 | |
72a734ec JH |
1218 | put_unaligned_le16(index, &ev.index); |
1219 | ev.val = powered; | |
eec8d2bc JH |
1220 | |
1221 | ret = mgmt_event(MGMT_EV_POWERED, &ev, sizeof(ev), match.sk); | |
1222 | ||
1223 | if (match.sk) | |
1224 | sock_put(match.sk); | |
1225 | ||
1226 | return ret; | |
5add6af8 | 1227 | } |
73f22f62 | 1228 | |
73f22f62 JH |
1229 | int mgmt_discoverable(u16 index, u8 discoverable) |
1230 | { | |
72a734ec | 1231 | struct mgmt_mode ev; |
73f22f62 JH |
1232 | struct cmd_lookup match = { discoverable, NULL }; |
1233 | int ret; | |
1234 | ||
73f22f62 | 1235 | mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, index, |
72a734ec JH |
1236 | mode_rsp, &match); |
1237 | ||
1238 | put_unaligned_le16(index, &ev.index); | |
1239 | ev.val = discoverable; | |
73f22f62 JH |
1240 | |
1241 | ret = mgmt_event(MGMT_EV_DISCOVERABLE, &ev, sizeof(ev), match.sk); | |
1242 | ||
1243 | if (match.sk) | |
1244 | sock_put(match.sk); | |
1245 | ||
1246 | return ret; | |
1247 | } | |
9fbcbb45 | 1248 | |
9fbcbb45 JH |
1249 | int mgmt_connectable(u16 index, u8 connectable) |
1250 | { | |
72a734ec | 1251 | struct mgmt_mode ev; |
9fbcbb45 JH |
1252 | struct cmd_lookup match = { connectable, NULL }; |
1253 | int ret; | |
1254 | ||
72a734ec | 1255 | mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, index, mode_rsp, &match); |
9fbcbb45 | 1256 | |
72a734ec JH |
1257 | put_unaligned_le16(index, &ev.index); |
1258 | ev.val = connectable; | |
9fbcbb45 JH |
1259 | |
1260 | ret = mgmt_event(MGMT_EV_CONNECTABLE, &ev, sizeof(ev), match.sk); | |
1261 | ||
1262 | if (match.sk) | |
1263 | sock_put(match.sk); | |
1264 | ||
1265 | return ret; | |
1266 | } | |
55ed8ca1 JH |
1267 | |
1268 | int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type) | |
1269 | { | |
1270 | struct mgmt_ev_new_key ev; | |
1271 | ||
1272 | memset(&ev, 0, sizeof(ev)); | |
1273 | ||
1274 | put_unaligned_le16(index, &ev.index); | |
1275 | ||
1276 | bacpy(&ev.key.bdaddr, &key->bdaddr); | |
1277 | ev.key.type = key->type; | |
1278 | memcpy(ev.key.val, key->val, 16); | |
1279 | ev.key.pin_len = key->pin_len; | |
1280 | ev.old_key_type = old_key_type; | |
1281 | ||
1282 | return mgmt_event(MGMT_EV_NEW_KEY, &ev, sizeof(ev), NULL); | |
1283 | } | |
f7520543 JH |
1284 | |
1285 | int mgmt_connected(u16 index, bdaddr_t *bdaddr) | |
1286 | { | |
1287 | struct mgmt_ev_connected ev; | |
1288 | ||
1289 | put_unaligned_le16(index, &ev.index); | |
1290 | bacpy(&ev.bdaddr, bdaddr); | |
1291 | ||
1292 | return mgmt_event(MGMT_EV_CONNECTED, &ev, sizeof(ev), NULL); | |
1293 | } | |
1294 | ||
8962ee74 JH |
1295 | static void disconnect_rsp(struct pending_cmd *cmd, void *data) |
1296 | { | |
1297 | struct mgmt_cp_disconnect *cp = cmd->cmd; | |
1298 | struct sock **sk = data; | |
a38528f1 | 1299 | struct mgmt_rp_disconnect rp; |
8962ee74 | 1300 | |
a38528f1 JH |
1301 | put_unaligned_le16(cmd->index, &rp.index); |
1302 | bacpy(&rp.bdaddr, &cp->bdaddr); | |
8962ee74 | 1303 | |
a38528f1 | 1304 | cmd_complete(cmd->sk, MGMT_OP_DISCONNECT, &rp, sizeof(rp)); |
8962ee74 JH |
1305 | |
1306 | *sk = cmd->sk; | |
1307 | sock_hold(*sk); | |
1308 | ||
1309 | list_del(&cmd->list); | |
1310 | mgmt_pending_free(cmd); | |
1311 | } | |
1312 | ||
f7520543 JH |
1313 | int mgmt_disconnected(u16 index, bdaddr_t *bdaddr) |
1314 | { | |
1315 | struct mgmt_ev_disconnected ev; | |
8962ee74 JH |
1316 | struct sock *sk = NULL; |
1317 | int err; | |
1318 | ||
1319 | mgmt_pending_foreach(MGMT_OP_DISCONNECT, index, disconnect_rsp, &sk); | |
f7520543 JH |
1320 | |
1321 | put_unaligned_le16(index, &ev.index); | |
1322 | bacpy(&ev.bdaddr, bdaddr); | |
1323 | ||
8962ee74 JH |
1324 | err = mgmt_event(MGMT_EV_DISCONNECTED, &ev, sizeof(ev), sk); |
1325 | ||
1326 | if (sk) | |
1327 | sock_put(sk); | |
1328 | ||
1329 | return err; | |
1330 | } | |
1331 | ||
1332 | int mgmt_disconnect_failed(u16 index) | |
1333 | { | |
1334 | struct pending_cmd *cmd; | |
1335 | int err; | |
1336 | ||
1337 | cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, index); | |
1338 | if (!cmd) | |
1339 | return -ENOENT; | |
1340 | ||
1341 | err = cmd_status(cmd->sk, MGMT_OP_DISCONNECT, EIO); | |
1342 | ||
1343 | list_del(&cmd->list); | |
1344 | mgmt_pending_free(cmd); | |
1345 | ||
1346 | return err; | |
f7520543 | 1347 | } |
17d5c04c JH |
1348 | |
1349 | int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status) | |
1350 | { | |
1351 | struct mgmt_ev_connect_failed ev; | |
1352 | ||
1353 | put_unaligned_le16(index, &ev.index); | |
1354 | bacpy(&ev.bdaddr, bdaddr); | |
1355 | ev.status = status; | |
1356 | ||
1357 | return mgmt_event(MGMT_EV_CONNECT_FAILED, &ev, sizeof(ev), NULL); | |
1358 | } | |
980e1a53 JH |
1359 | |
1360 | int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr) | |
1361 | { | |
1362 | struct mgmt_ev_pin_code_request ev; | |
1363 | ||
1364 | put_unaligned_le16(index, &ev.index); | |
1365 | bacpy(&ev.bdaddr, bdaddr); | |
1366 | ||
1367 | return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, &ev, sizeof(ev), NULL); | |
1368 | } | |
1369 | ||
1370 | int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) | |
1371 | { | |
1372 | struct pending_cmd *cmd; | |
1373 | int err; | |
1374 | ||
1375 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, index); | |
1376 | if (!cmd) | |
1377 | return -ENOENT; | |
1378 | ||
1379 | if (status != 0) | |
1380 | err = cmd_status(cmd->sk, MGMT_OP_PIN_CODE_REPLY, status); | |
1381 | else | |
1382 | err = cmd_complete(cmd->sk, MGMT_OP_PIN_CODE_REPLY, | |
1383 | bdaddr, sizeof(*bdaddr)); | |
1384 | ||
1385 | list_del(&cmd->list); | |
1386 | mgmt_pending_free(cmd); | |
1387 | ||
1388 | return err; | |
1389 | } | |
1390 | ||
1391 | int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status) | |
1392 | { | |
1393 | struct pending_cmd *cmd; | |
1394 | int err; | |
1395 | ||
1396 | cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, index); | |
1397 | if (!cmd) | |
1398 | return -ENOENT; | |
1399 | ||
1400 | if (status != 0) | |
1401 | err = cmd_status(cmd->sk, MGMT_OP_PIN_CODE_NEG_REPLY, status); | |
1402 | else | |
1403 | err = cmd_complete(cmd->sk, MGMT_OP_PIN_CODE_NEG_REPLY, | |
1404 | bdaddr, sizeof(*bdaddr)); | |
1405 | ||
1406 | list_del(&cmd->list); | |
1407 | mgmt_pending_free(cmd); | |
1408 | ||
1409 | return err; | |
1410 | } |