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