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1da177e4 LT |
1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux | |
3 | Copyright (C) 2000-2001 Qualcomm Incorporated | |
4 | ||
5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> | |
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 event handling. */ | |
26 | ||
27 | #include <linux/config.h> | |
28 | #include <linux/module.h> | |
29 | ||
30 | #include <linux/types.h> | |
31 | #include <linux/errno.h> | |
32 | #include <linux/kernel.h> | |
1da177e4 LT |
33 | #include <linux/sched.h> |
34 | #include <linux/slab.h> | |
35 | #include <linux/poll.h> | |
36 | #include <linux/fcntl.h> | |
37 | #include <linux/init.h> | |
38 | #include <linux/skbuff.h> | |
39 | #include <linux/interrupt.h> | |
40 | #include <linux/notifier.h> | |
41 | #include <net/sock.h> | |
42 | ||
43 | #include <asm/system.h> | |
44 | #include <asm/uaccess.h> | |
45 | #include <asm/unaligned.h> | |
46 | ||
47 | #include <net/bluetooth/bluetooth.h> | |
48 | #include <net/bluetooth/hci_core.h> | |
49 | ||
50 | #ifndef CONFIG_BT_HCI_CORE_DEBUG | |
51 | #undef BT_DBG | |
52 | #define BT_DBG(D...) | |
53 | #endif | |
54 | ||
55 | /* Handle HCI Event packets */ | |
56 | ||
57 | /* Command Complete OGF LINK_CTL */ | |
58 | static void hci_cc_link_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
59 | { | |
60 | __u8 status; | |
61 | ||
62 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
63 | ||
64 | switch (ocf) { | |
65 | case OCF_INQUIRY_CANCEL: | |
66 | status = *((__u8 *) skb->data); | |
67 | ||
68 | if (status) { | |
69 | BT_DBG("%s Inquiry cancel error: status 0x%x", hdev->name, status); | |
70 | } else { | |
71 | clear_bit(HCI_INQUIRY, &hdev->flags); | |
72 | hci_req_complete(hdev, status); | |
73 | } | |
74 | break; | |
75 | ||
76 | default: | |
77 | BT_DBG("%s Command complete: ogf LINK_CTL ocf %x", hdev->name, ocf); | |
78 | break; | |
79 | } | |
80 | } | |
81 | ||
82 | /* Command Complete OGF LINK_POLICY */ | |
83 | static void hci_cc_link_policy(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
84 | { | |
85 | struct hci_conn *conn; | |
86 | struct hci_rp_role_discovery *rd; | |
87 | ||
88 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
89 | ||
90 | switch (ocf) { | |
91 | case OCF_ROLE_DISCOVERY: | |
92 | rd = (void *) skb->data; | |
93 | ||
94 | if (rd->status) | |
95 | break; | |
96 | ||
97 | hci_dev_lock(hdev); | |
98 | ||
99 | conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rd->handle)); | |
100 | if (conn) { | |
101 | if (rd->role) | |
102 | conn->link_mode &= ~HCI_LM_MASTER; | |
103 | else | |
104 | conn->link_mode |= HCI_LM_MASTER; | |
105 | } | |
106 | ||
107 | hci_dev_unlock(hdev); | |
108 | break; | |
109 | ||
110 | default: | |
111 | BT_DBG("%s: Command complete: ogf LINK_POLICY ocf %x", | |
112 | hdev->name, ocf); | |
113 | break; | |
114 | } | |
115 | } | |
116 | ||
117 | /* Command Complete OGF HOST_CTL */ | |
118 | static void hci_cc_host_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
119 | { | |
120 | __u8 status, param; | |
121 | __u16 setting; | |
122 | struct hci_rp_read_voice_setting *vs; | |
123 | void *sent; | |
124 | ||
125 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
126 | ||
127 | switch (ocf) { | |
128 | case OCF_RESET: | |
129 | status = *((__u8 *) skb->data); | |
130 | hci_req_complete(hdev, status); | |
131 | break; | |
132 | ||
133 | case OCF_SET_EVENT_FLT: | |
134 | status = *((__u8 *) skb->data); | |
135 | if (status) { | |
136 | BT_DBG("%s SET_EVENT_FLT failed %d", hdev->name, status); | |
137 | } else { | |
138 | BT_DBG("%s SET_EVENT_FLT succeseful", hdev->name); | |
139 | } | |
140 | break; | |
141 | ||
142 | case OCF_WRITE_AUTH_ENABLE: | |
143 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_AUTH_ENABLE); | |
144 | if (!sent) | |
145 | break; | |
146 | ||
147 | status = *((__u8 *) skb->data); | |
148 | param = *((__u8 *) sent); | |
149 | ||
150 | if (!status) { | |
151 | if (param == AUTH_ENABLED) | |
152 | set_bit(HCI_AUTH, &hdev->flags); | |
153 | else | |
154 | clear_bit(HCI_AUTH, &hdev->flags); | |
155 | } | |
156 | hci_req_complete(hdev, status); | |
157 | break; | |
158 | ||
159 | case OCF_WRITE_ENCRYPT_MODE: | |
160 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_ENCRYPT_MODE); | |
161 | if (!sent) | |
162 | break; | |
163 | ||
164 | status = *((__u8 *) skb->data); | |
165 | param = *((__u8 *) sent); | |
166 | ||
167 | if (!status) { | |
168 | if (param) | |
169 | set_bit(HCI_ENCRYPT, &hdev->flags); | |
170 | else | |
171 | clear_bit(HCI_ENCRYPT, &hdev->flags); | |
172 | } | |
173 | hci_req_complete(hdev, status); | |
174 | break; | |
175 | ||
176 | case OCF_WRITE_CA_TIMEOUT: | |
177 | status = *((__u8 *) skb->data); | |
178 | if (status) { | |
179 | BT_DBG("%s OCF_WRITE_CA_TIMEOUT failed %d", hdev->name, status); | |
180 | } else { | |
181 | BT_DBG("%s OCF_WRITE_CA_TIMEOUT succeseful", hdev->name); | |
182 | } | |
183 | break; | |
184 | ||
185 | case OCF_WRITE_PG_TIMEOUT: | |
186 | status = *((__u8 *) skb->data); | |
187 | if (status) { | |
188 | BT_DBG("%s OCF_WRITE_PG_TIMEOUT failed %d", hdev->name, status); | |
189 | } else { | |
190 | BT_DBG("%s: OCF_WRITE_PG_TIMEOUT succeseful", hdev->name); | |
191 | } | |
192 | break; | |
193 | ||
194 | case OCF_WRITE_SCAN_ENABLE: | |
195 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE); | |
196 | if (!sent) | |
197 | break; | |
198 | ||
199 | status = *((__u8 *) skb->data); | |
200 | param = *((__u8 *) sent); | |
201 | ||
202 | BT_DBG("param 0x%x", param); | |
203 | ||
204 | if (!status) { | |
205 | clear_bit(HCI_PSCAN, &hdev->flags); | |
206 | clear_bit(HCI_ISCAN, &hdev->flags); | |
207 | if (param & SCAN_INQUIRY) | |
208 | set_bit(HCI_ISCAN, &hdev->flags); | |
209 | ||
210 | if (param & SCAN_PAGE) | |
211 | set_bit(HCI_PSCAN, &hdev->flags); | |
212 | } | |
213 | hci_req_complete(hdev, status); | |
214 | break; | |
215 | ||
216 | case OCF_READ_VOICE_SETTING: | |
217 | vs = (struct hci_rp_read_voice_setting *) skb->data; | |
218 | ||
219 | if (vs->status) { | |
220 | BT_DBG("%s READ_VOICE_SETTING failed %d", hdev->name, vs->status); | |
221 | break; | |
222 | } | |
223 | ||
224 | setting = __le16_to_cpu(vs->voice_setting); | |
225 | ||
226 | if (hdev->voice_setting != setting ) { | |
227 | hdev->voice_setting = setting; | |
228 | ||
229 | BT_DBG("%s: voice setting 0x%04x", hdev->name, setting); | |
230 | ||
231 | if (hdev->notify) { | |
232 | tasklet_disable(&hdev->tx_task); | |
233 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); | |
234 | tasklet_enable(&hdev->tx_task); | |
235 | } | |
236 | } | |
237 | break; | |
238 | ||
239 | case OCF_WRITE_VOICE_SETTING: | |
240 | sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_VOICE_SETTING); | |
241 | if (!sent) | |
242 | break; | |
243 | ||
244 | status = *((__u8 *) skb->data); | |
245 | setting = __le16_to_cpu(get_unaligned((__u16 *) sent)); | |
246 | ||
247 | if (!status && hdev->voice_setting != setting) { | |
248 | hdev->voice_setting = setting; | |
249 | ||
250 | BT_DBG("%s: voice setting 0x%04x", hdev->name, setting); | |
251 | ||
252 | if (hdev->notify) { | |
253 | tasklet_disable(&hdev->tx_task); | |
254 | hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); | |
255 | tasklet_enable(&hdev->tx_task); | |
256 | } | |
257 | } | |
258 | hci_req_complete(hdev, status); | |
259 | break; | |
260 | ||
261 | case OCF_HOST_BUFFER_SIZE: | |
262 | status = *((__u8 *) skb->data); | |
263 | if (status) { | |
264 | BT_DBG("%s OCF_BUFFER_SIZE failed %d", hdev->name, status); | |
265 | hci_req_complete(hdev, status); | |
266 | } | |
267 | break; | |
268 | ||
269 | default: | |
270 | BT_DBG("%s Command complete: ogf HOST_CTL ocf %x", hdev->name, ocf); | |
271 | break; | |
272 | } | |
273 | } | |
274 | ||
275 | /* Command Complete OGF INFO_PARAM */ | |
276 | static void hci_cc_info_param(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb) | |
277 | { | |
278 | struct hci_rp_read_loc_features *lf; | |
279 | struct hci_rp_read_buffer_size *bs; | |
280 | struct hci_rp_read_bd_addr *ba; | |
281 | ||
282 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
283 | ||
284 | switch (ocf) { | |
285 | case OCF_READ_LOCAL_FEATURES: | |
286 | lf = (struct hci_rp_read_loc_features *) skb->data; | |
287 | ||
288 | if (lf->status) { | |
289 | BT_DBG("%s READ_LOCAL_FEATURES failed %d", hdev->name, lf->status); | |
290 | break; | |
291 | } | |
292 | ||
293 | memcpy(hdev->features, lf->features, sizeof(hdev->features)); | |
294 | ||
295 | /* Adjust default settings according to features | |
296 | * supported by device. */ | |
297 | if (hdev->features[0] & LMP_3SLOT) | |
298 | hdev->pkt_type |= (HCI_DM3 | HCI_DH3); | |
299 | ||
300 | if (hdev->features[0] & LMP_5SLOT) | |
301 | hdev->pkt_type |= (HCI_DM5 | HCI_DH5); | |
302 | ||
303 | if (hdev->features[1] & LMP_HV2) | |
304 | hdev->pkt_type |= (HCI_HV2); | |
305 | ||
306 | if (hdev->features[1] & LMP_HV3) | |
307 | hdev->pkt_type |= (HCI_HV3); | |
308 | ||
309 | BT_DBG("%s: features 0x%x 0x%x 0x%x", hdev->name, lf->features[0], lf->features[1], lf->features[2]); | |
310 | ||
311 | break; | |
312 | ||
313 | case OCF_READ_BUFFER_SIZE: | |
314 | bs = (struct hci_rp_read_buffer_size *) skb->data; | |
315 | ||
316 | if (bs->status) { | |
317 | BT_DBG("%s READ_BUFFER_SIZE failed %d", hdev->name, bs->status); | |
318 | hci_req_complete(hdev, bs->status); | |
319 | break; | |
320 | } | |
321 | ||
322 | hdev->acl_mtu = __le16_to_cpu(bs->acl_mtu); | |
323 | hdev->sco_mtu = bs->sco_mtu ? bs->sco_mtu : 64; | |
324 | hdev->acl_pkts = hdev->acl_cnt = __le16_to_cpu(bs->acl_max_pkt); | |
325 | hdev->sco_pkts = hdev->sco_cnt = __le16_to_cpu(bs->sco_max_pkt); | |
326 | ||
327 | BT_DBG("%s mtu: acl %d, sco %d max_pkt: acl %d, sco %d", hdev->name, | |
328 | hdev->acl_mtu, hdev->sco_mtu, hdev->acl_pkts, hdev->sco_pkts); | |
329 | break; | |
330 | ||
331 | case OCF_READ_BD_ADDR: | |
332 | ba = (struct hci_rp_read_bd_addr *) skb->data; | |
333 | ||
334 | if (!ba->status) { | |
335 | bacpy(&hdev->bdaddr, &ba->bdaddr); | |
336 | } else { | |
337 | BT_DBG("%s: READ_BD_ADDR failed %d", hdev->name, ba->status); | |
338 | } | |
339 | ||
340 | hci_req_complete(hdev, ba->status); | |
341 | break; | |
342 | ||
343 | default: | |
344 | BT_DBG("%s Command complete: ogf INFO_PARAM ocf %x", hdev->name, ocf); | |
345 | break; | |
346 | } | |
347 | } | |
348 | ||
349 | /* Command Status OGF LINK_CTL */ | |
350 | static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) | |
351 | { | |
352 | struct hci_conn *conn; | |
353 | struct hci_cp_create_conn *cp = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_CREATE_CONN); | |
354 | ||
355 | if (!cp) | |
356 | return; | |
357 | ||
358 | hci_dev_lock(hdev); | |
359 | ||
360 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); | |
361 | ||
362 | BT_DBG("%s status 0x%x bdaddr %s conn %p", hdev->name, | |
363 | status, batostr(&cp->bdaddr), conn); | |
364 | ||
365 | if (status) { | |
366 | if (conn && conn->state == BT_CONNECT) { | |
367 | conn->state = BT_CLOSED; | |
368 | hci_proto_connect_cfm(conn, status); | |
369 | hci_conn_del(conn); | |
370 | } | |
371 | } else { | |
372 | if (!conn) { | |
373 | conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr); | |
374 | if (conn) { | |
375 | conn->out = 1; | |
376 | conn->link_mode |= HCI_LM_MASTER; | |
377 | } else | |
378 | BT_ERR("No memmory for new connection"); | |
379 | } | |
380 | } | |
381 | ||
382 | hci_dev_unlock(hdev); | |
383 | } | |
384 | ||
385 | static void hci_cs_link_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
386 | { | |
387 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
388 | ||
389 | switch (ocf) { | |
390 | case OCF_CREATE_CONN: | |
391 | hci_cs_create_conn(hdev, status); | |
392 | break; | |
393 | ||
394 | case OCF_ADD_SCO: | |
395 | if (status) { | |
396 | struct hci_conn *acl, *sco; | |
397 | struct hci_cp_add_sco *cp = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_ADD_SCO); | |
398 | __u16 handle; | |
399 | ||
400 | if (!cp) | |
401 | break; | |
402 | ||
403 | handle = __le16_to_cpu(cp->handle); | |
404 | ||
405 | BT_DBG("%s Add SCO error: handle %d status 0x%x", hdev->name, handle, status); | |
406 | ||
407 | hci_dev_lock(hdev); | |
408 | ||
409 | acl = hci_conn_hash_lookup_handle(hdev, handle); | |
410 | if (acl && (sco = acl->link)) { | |
411 | sco->state = BT_CLOSED; | |
412 | ||
413 | hci_proto_connect_cfm(sco, status); | |
414 | hci_conn_del(sco); | |
415 | } | |
416 | ||
417 | hci_dev_unlock(hdev); | |
418 | } | |
419 | break; | |
420 | ||
421 | case OCF_INQUIRY: | |
422 | if (status) { | |
423 | BT_DBG("%s Inquiry error: status 0x%x", hdev->name, status); | |
424 | hci_req_complete(hdev, status); | |
425 | } else { | |
426 | set_bit(HCI_INQUIRY, &hdev->flags); | |
427 | } | |
428 | break; | |
429 | ||
430 | default: | |
431 | BT_DBG("%s Command status: ogf LINK_CTL ocf %x status %d", | |
432 | hdev->name, ocf, status); | |
433 | break; | |
434 | } | |
435 | } | |
436 | ||
437 | /* Command Status OGF LINK_POLICY */ | |
438 | static void hci_cs_link_policy(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
439 | { | |
440 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
441 | ||
442 | switch (ocf) { | |
443 | default: | |
444 | BT_DBG("%s Command status: ogf HOST_POLICY ocf %x", hdev->name, ocf); | |
445 | break; | |
446 | } | |
447 | } | |
448 | ||
449 | /* Command Status OGF HOST_CTL */ | |
450 | static void hci_cs_host_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
451 | { | |
452 | BT_DBG("%s ocf 0x%x", hdev->name, ocf); | |
453 | ||
454 | switch (ocf) { | |
455 | default: | |
456 | BT_DBG("%s Command status: ogf HOST_CTL ocf %x", hdev->name, ocf); | |
457 | break; | |
458 | } | |
459 | } | |
460 | ||
461 | /* Command Status OGF INFO_PARAM */ | |
462 | static void hci_cs_info_param(struct hci_dev *hdev, __u16 ocf, __u8 status) | |
463 | { | |
464 | BT_DBG("%s: hci_cs_info_param: ocf 0x%x", hdev->name, ocf); | |
465 | ||
466 | switch (ocf) { | |
467 | default: | |
468 | BT_DBG("%s Command status: ogf INFO_PARAM ocf %x", hdev->name, ocf); | |
469 | break; | |
470 | } | |
471 | } | |
472 | ||
473 | /* Inquiry Complete */ | |
474 | static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
475 | { | |
476 | __u8 status = *((__u8 *) skb->data); | |
477 | ||
478 | BT_DBG("%s status %d", hdev->name, status); | |
479 | ||
480 | clear_bit(HCI_INQUIRY, &hdev->flags); | |
481 | hci_req_complete(hdev, status); | |
482 | } | |
483 | ||
484 | /* Inquiry Result */ | |
485 | static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
486 | { | |
45bb4bf0 | 487 | struct inquiry_data data; |
1da177e4 LT |
488 | struct inquiry_info *info = (struct inquiry_info *) (skb->data + 1); |
489 | int num_rsp = *((__u8 *) skb->data); | |
490 | ||
491 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
492 | ||
45bb4bf0 MH |
493 | if (!num_rsp) |
494 | return; | |
495 | ||
1da177e4 | 496 | hci_dev_lock(hdev); |
45bb4bf0 | 497 | |
1da177e4 | 498 | for (; num_rsp; num_rsp--) { |
1da177e4 LT |
499 | bacpy(&data.bdaddr, &info->bdaddr); |
500 | data.pscan_rep_mode = info->pscan_rep_mode; | |
501 | data.pscan_period_mode = info->pscan_period_mode; | |
502 | data.pscan_mode = info->pscan_mode; | |
503 | memcpy(data.dev_class, info->dev_class, 3); | |
504 | data.clock_offset = info->clock_offset; | |
505 | data.rssi = 0x00; | |
506 | info++; | |
507 | hci_inquiry_cache_update(hdev, &data); | |
508 | } | |
45bb4bf0 | 509 | |
1da177e4 LT |
510 | hci_dev_unlock(hdev); |
511 | } | |
512 | ||
513 | /* Inquiry Result With RSSI */ | |
514 | static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
515 | { | |
45bb4bf0 | 516 | struct inquiry_data data; |
1da177e4 LT |
517 | int num_rsp = *((__u8 *) skb->data); |
518 | ||
519 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
520 | ||
45bb4bf0 MH |
521 | if (!num_rsp) |
522 | return; | |
523 | ||
1da177e4 | 524 | hci_dev_lock(hdev); |
45bb4bf0 MH |
525 | |
526 | if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) { | |
527 | struct inquiry_info_with_rssi_and_pscan_mode *info = | |
528 | (struct inquiry_info_with_rssi_and_pscan_mode *) (skb->data + 1); | |
529 | ||
530 | for (; num_rsp; num_rsp--) { | |
531 | bacpy(&data.bdaddr, &info->bdaddr); | |
532 | data.pscan_rep_mode = info->pscan_rep_mode; | |
533 | data.pscan_period_mode = info->pscan_period_mode; | |
534 | data.pscan_mode = info->pscan_mode; | |
535 | memcpy(data.dev_class, info->dev_class, 3); | |
536 | data.clock_offset = info->clock_offset; | |
537 | data.rssi = info->rssi; | |
538 | info++; | |
539 | hci_inquiry_cache_update(hdev, &data); | |
540 | } | |
541 | } else { | |
542 | struct inquiry_info_with_rssi *info = | |
543 | (struct inquiry_info_with_rssi *) (skb->data + 1); | |
544 | ||
545 | for (; num_rsp; num_rsp--) { | |
546 | bacpy(&data.bdaddr, &info->bdaddr); | |
547 | data.pscan_rep_mode = info->pscan_rep_mode; | |
548 | data.pscan_period_mode = info->pscan_period_mode; | |
549 | data.pscan_mode = 0x00; | |
550 | memcpy(data.dev_class, info->dev_class, 3); | |
551 | data.clock_offset = info->clock_offset; | |
552 | data.rssi = info->rssi; | |
553 | info++; | |
554 | hci_inquiry_cache_update(hdev, &data); | |
555 | } | |
1da177e4 | 556 | } |
45bb4bf0 | 557 | |
1da177e4 LT |
558 | hci_dev_unlock(hdev); |
559 | } | |
560 | ||
21d9e30e MH |
561 | /* Extended Inquiry Result */ |
562 | static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
563 | { | |
564 | struct inquiry_data data; | |
565 | struct extended_inquiry_info *info = (struct extended_inquiry_info *) (skb->data + 1); | |
566 | int num_rsp = *((__u8 *) skb->data); | |
567 | ||
568 | BT_DBG("%s num_rsp %d", hdev->name, num_rsp); | |
569 | ||
570 | if (!num_rsp) | |
571 | return; | |
572 | ||
573 | hci_dev_lock(hdev); | |
574 | ||
575 | for (; num_rsp; num_rsp--) { | |
576 | bacpy(&data.bdaddr, &info->bdaddr); | |
577 | data.pscan_rep_mode = info->pscan_rep_mode; | |
578 | data.pscan_period_mode = info->pscan_period_mode; | |
579 | data.pscan_mode = 0x00; | |
580 | memcpy(data.dev_class, info->dev_class, 3); | |
581 | data.clock_offset = info->clock_offset; | |
582 | data.rssi = info->rssi; | |
583 | info++; | |
584 | hci_inquiry_cache_update(hdev, &data); | |
585 | } | |
586 | ||
587 | hci_dev_unlock(hdev); | |
588 | } | |
589 | ||
1da177e4 LT |
590 | /* Connect Request */ |
591 | static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
592 | { | |
593 | struct hci_ev_conn_request *ev = (struct hci_ev_conn_request *) skb->data; | |
594 | int mask = hdev->link_mode; | |
595 | ||
596 | BT_DBG("%s Connection request: %s type 0x%x", hdev->name, | |
597 | batostr(&ev->bdaddr), ev->link_type); | |
598 | ||
599 | mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type); | |
600 | ||
601 | if (mask & HCI_LM_ACCEPT) { | |
602 | /* Connection accepted */ | |
603 | struct hci_conn *conn; | |
604 | struct hci_cp_accept_conn_req cp; | |
605 | ||
606 | hci_dev_lock(hdev); | |
607 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
608 | if (!conn) { | |
609 | if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) { | |
610 | BT_ERR("No memmory for new connection"); | |
611 | hci_dev_unlock(hdev); | |
612 | return; | |
613 | } | |
614 | } | |
615 | memcpy(conn->dev_class, ev->dev_class, 3); | |
616 | conn->state = BT_CONNECT; | |
617 | hci_dev_unlock(hdev); | |
618 | ||
619 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
620 | ||
621 | if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) | |
622 | cp.role = 0x00; /* Become master */ | |
623 | else | |
624 | cp.role = 0x01; /* Remain slave */ | |
625 | ||
626 | hci_send_cmd(hdev, OGF_LINK_CTL, OCF_ACCEPT_CONN_REQ, sizeof(cp), &cp); | |
627 | } else { | |
628 | /* Connection rejected */ | |
629 | struct hci_cp_reject_conn_req cp; | |
630 | ||
631 | bacpy(&cp.bdaddr, &ev->bdaddr); | |
632 | cp.reason = 0x0f; | |
633 | hci_send_cmd(hdev, OGF_LINK_CTL, OCF_REJECT_CONN_REQ, sizeof(cp), &cp); | |
634 | } | |
635 | } | |
636 | ||
637 | /* Connect Complete */ | |
638 | static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
639 | { | |
640 | struct hci_ev_conn_complete *ev = (struct hci_ev_conn_complete *) skb->data; | |
641 | struct hci_conn *conn = NULL; | |
642 | ||
643 | BT_DBG("%s", hdev->name); | |
644 | ||
645 | hci_dev_lock(hdev); | |
646 | ||
647 | conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr); | |
648 | if (!conn) { | |
649 | hci_dev_unlock(hdev); | |
650 | return; | |
651 | } | |
652 | ||
653 | if (!ev->status) { | |
654 | conn->handle = __le16_to_cpu(ev->handle); | |
655 | conn->state = BT_CONNECTED; | |
656 | ||
657 | if (test_bit(HCI_AUTH, &hdev->flags)) | |
658 | conn->link_mode |= HCI_LM_AUTH; | |
659 | ||
660 | if (test_bit(HCI_ENCRYPT, &hdev->flags)) | |
661 | conn->link_mode |= HCI_LM_ENCRYPT; | |
662 | ||
663 | /* Set link policy */ | |
664 | if (conn->type == ACL_LINK && hdev->link_policy) { | |
665 | struct hci_cp_write_link_policy cp; | |
666 | cp.handle = ev->handle; | |
667 | cp.policy = __cpu_to_le16(hdev->link_policy); | |
668 | hci_send_cmd(hdev, OGF_LINK_POLICY, OCF_WRITE_LINK_POLICY, sizeof(cp), &cp); | |
669 | } | |
670 | ||
671 | /* Set packet type for incoming connection */ | |
672 | if (!conn->out) { | |
673 | struct hci_cp_change_conn_ptype cp; | |
674 | cp.handle = ev->handle; | |
675 | cp.pkt_type = (conn->type == ACL_LINK) ? | |
676 | __cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK): | |
677 | __cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK); | |
678 | ||
679 | hci_send_cmd(hdev, OGF_LINK_CTL, OCF_CHANGE_CONN_PTYPE, sizeof(cp), &cp); | |
680 | } | |
681 | } else | |
682 | conn->state = BT_CLOSED; | |
683 | ||
684 | if (conn->type == ACL_LINK) { | |
685 | struct hci_conn *sco = conn->link; | |
686 | if (sco) { | |
687 | if (!ev->status) | |
688 | hci_add_sco(sco, conn->handle); | |
689 | else { | |
690 | hci_proto_connect_cfm(sco, ev->status); | |
691 | hci_conn_del(sco); | |
692 | } | |
693 | } | |
694 | } | |
695 | ||
696 | hci_proto_connect_cfm(conn, ev->status); | |
697 | if (ev->status) | |
698 | hci_conn_del(conn); | |
699 | ||
700 | hci_dev_unlock(hdev); | |
701 | } | |
702 | ||
703 | /* Disconnect Complete */ | |
704 | static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
705 | { | |
706 | struct hci_ev_disconn_complete *ev = (struct hci_ev_disconn_complete *) skb->data; | |
707 | struct hci_conn *conn = NULL; | |
708 | __u16 handle = __le16_to_cpu(ev->handle); | |
709 | ||
710 | BT_DBG("%s status %d", hdev->name, ev->status); | |
711 | ||
712 | if (ev->status) | |
713 | return; | |
714 | ||
715 | hci_dev_lock(hdev); | |
716 | ||
717 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
718 | if (conn) { | |
719 | conn->state = BT_CLOSED; | |
720 | hci_proto_disconn_ind(conn, ev->reason); | |
721 | hci_conn_del(conn); | |
722 | } | |
723 | ||
724 | hci_dev_unlock(hdev); | |
725 | } | |
726 | ||
727 | /* Number of completed packets */ | |
728 | static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
729 | { | |
730 | struct hci_ev_num_comp_pkts *ev = (struct hci_ev_num_comp_pkts *) skb->data; | |
731 | __u16 *ptr; | |
732 | int i; | |
733 | ||
734 | skb_pull(skb, sizeof(*ev)); | |
735 | ||
736 | BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl); | |
737 | ||
738 | if (skb->len < ev->num_hndl * 4) { | |
739 | BT_DBG("%s bad parameters", hdev->name); | |
740 | return; | |
741 | } | |
742 | ||
743 | tasklet_disable(&hdev->tx_task); | |
744 | ||
745 | for (i = 0, ptr = (__u16 *) skb->data; i < ev->num_hndl; i++) { | |
746 | struct hci_conn *conn; | |
747 | __u16 handle, count; | |
748 | ||
749 | handle = __le16_to_cpu(get_unaligned(ptr++)); | |
750 | count = __le16_to_cpu(get_unaligned(ptr++)); | |
751 | ||
752 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
753 | if (conn) { | |
754 | conn->sent -= count; | |
755 | ||
756 | if (conn->type == SCO_LINK) { | |
757 | if ((hdev->sco_cnt += count) > hdev->sco_pkts) | |
758 | hdev->sco_cnt = hdev->sco_pkts; | |
759 | } else { | |
760 | if ((hdev->acl_cnt += count) > hdev->acl_pkts) | |
761 | hdev->acl_cnt = hdev->acl_pkts; | |
762 | } | |
763 | } | |
764 | } | |
765 | hci_sched_tx(hdev); | |
766 | ||
767 | tasklet_enable(&hdev->tx_task); | |
768 | } | |
769 | ||
770 | /* Role Change */ | |
771 | static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
772 | { | |
773 | struct hci_ev_role_change *ev = (struct hci_ev_role_change *) skb->data; | |
774 | struct hci_conn *conn = NULL; | |
775 | ||
776 | BT_DBG("%s status %d", hdev->name, ev->status); | |
777 | ||
778 | hci_dev_lock(hdev); | |
779 | ||
780 | conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); | |
781 | if (conn) { | |
782 | if (!ev->status) { | |
783 | if (ev->role) | |
784 | conn->link_mode &= ~HCI_LM_MASTER; | |
785 | else | |
786 | conn->link_mode |= HCI_LM_MASTER; | |
787 | } | |
788 | ||
789 | clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend); | |
790 | ||
791 | hci_role_switch_cfm(conn, ev->status, ev->role); | |
792 | } | |
793 | ||
794 | hci_dev_unlock(hdev); | |
795 | } | |
796 | ||
797 | /* Authentication Complete */ | |
798 | static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
799 | { | |
800 | struct hci_ev_auth_complete *ev = (struct hci_ev_auth_complete *) skb->data; | |
801 | struct hci_conn *conn = NULL; | |
802 | __u16 handle = __le16_to_cpu(ev->handle); | |
803 | ||
804 | BT_DBG("%s status %d", hdev->name, ev->status); | |
805 | ||
806 | hci_dev_lock(hdev); | |
807 | ||
808 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
809 | if (conn) { | |
810 | if (!ev->status) | |
811 | conn->link_mode |= HCI_LM_AUTH; | |
812 | ||
813 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
814 | ||
815 | hci_auth_cfm(conn, ev->status); | |
816 | ||
817 | if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) { | |
818 | if (!ev->status) { | |
819 | struct hci_cp_set_conn_encrypt cp; | |
820 | cp.handle = __cpu_to_le16(conn->handle); | |
821 | cp.encrypt = 1; | |
822 | hci_send_cmd(conn->hdev, OGF_LINK_CTL, | |
823 | OCF_SET_CONN_ENCRYPT, | |
824 | sizeof(cp), &cp); | |
825 | } else { | |
826 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
827 | hci_encrypt_cfm(conn, ev->status, 0x00); | |
828 | } | |
829 | } | |
830 | } | |
831 | ||
832 | hci_dev_unlock(hdev); | |
833 | } | |
834 | ||
835 | /* Encryption Change */ | |
836 | static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
837 | { | |
838 | struct hci_ev_encrypt_change *ev = (struct hci_ev_encrypt_change *) skb->data; | |
839 | struct hci_conn *conn = NULL; | |
840 | __u16 handle = __le16_to_cpu(ev->handle); | |
841 | ||
842 | BT_DBG("%s status %d", hdev->name, ev->status); | |
843 | ||
844 | hci_dev_lock(hdev); | |
845 | ||
846 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
847 | if (conn) { | |
848 | if (!ev->status) { | |
849 | if (ev->encrypt) | |
850 | conn->link_mode |= HCI_LM_ENCRYPT; | |
851 | else | |
852 | conn->link_mode &= ~HCI_LM_ENCRYPT; | |
853 | } | |
854 | ||
855 | clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend); | |
856 | ||
857 | hci_encrypt_cfm(conn, ev->status, ev->encrypt); | |
858 | } | |
859 | ||
860 | hci_dev_unlock(hdev); | |
861 | } | |
862 | ||
863 | /* Change Connection Link Key Complete */ | |
864 | static inline void hci_change_conn_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
865 | { | |
866 | struct hci_ev_change_conn_link_key_complete *ev = (struct hci_ev_change_conn_link_key_complete *) skb->data; | |
867 | struct hci_conn *conn = NULL; | |
868 | __u16 handle = __le16_to_cpu(ev->handle); | |
869 | ||
870 | BT_DBG("%s status %d", hdev->name, ev->status); | |
871 | ||
872 | hci_dev_lock(hdev); | |
873 | ||
874 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
875 | if (conn) { | |
876 | if (!ev->status) | |
877 | conn->link_mode |= HCI_LM_SECURE; | |
878 | ||
879 | clear_bit(HCI_CONN_AUTH_PEND, &conn->pend); | |
880 | ||
881 | hci_key_change_cfm(conn, ev->status); | |
882 | } | |
883 | ||
884 | hci_dev_unlock(hdev); | |
885 | } | |
886 | ||
887 | /* Pin Code Request*/ | |
888 | static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
889 | { | |
890 | } | |
891 | ||
892 | /* Link Key Request */ | |
893 | static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
894 | { | |
895 | } | |
896 | ||
897 | /* Link Key Notification */ | |
898 | static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
899 | { | |
900 | } | |
901 | ||
902 | /* Clock Offset */ | |
903 | static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
904 | { | |
905 | struct hci_ev_clock_offset *ev = (struct hci_ev_clock_offset *) skb->data; | |
906 | struct hci_conn *conn = NULL; | |
907 | __u16 handle = __le16_to_cpu(ev->handle); | |
908 | ||
909 | BT_DBG("%s status %d", hdev->name, ev->status); | |
910 | ||
911 | hci_dev_lock(hdev); | |
912 | ||
913 | conn = hci_conn_hash_lookup_handle(hdev, handle); | |
914 | if (conn && !ev->status) { | |
915 | struct inquiry_entry *ie; | |
916 | ||
917 | if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) { | |
918 | ie->data.clock_offset = ev->clock_offset; | |
919 | ie->timestamp = jiffies; | |
920 | } | |
921 | } | |
922 | ||
923 | hci_dev_unlock(hdev); | |
924 | } | |
925 | ||
85a1e930 MH |
926 | /* Page Scan Repetition Mode */ |
927 | static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb) | |
928 | { | |
929 | struct hci_ev_pscan_rep_mode *ev = (struct hci_ev_pscan_rep_mode *) skb->data; | |
930 | struct inquiry_entry *ie; | |
931 | ||
932 | BT_DBG("%s", hdev->name); | |
933 | ||
934 | hci_dev_lock(hdev); | |
935 | ||
936 | if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) { | |
937 | ie->data.pscan_rep_mode = ev->pscan_rep_mode; | |
938 | ie->timestamp = jiffies; | |
939 | } | |
940 | ||
941 | hci_dev_unlock(hdev); | |
942 | } | |
943 | ||
1da177e4 LT |
944 | void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) |
945 | { | |
946 | struct hci_event_hdr *hdr = (struct hci_event_hdr *) skb->data; | |
947 | struct hci_ev_cmd_complete *ec; | |
948 | struct hci_ev_cmd_status *cs; | |
949 | u16 opcode, ocf, ogf; | |
950 | ||
951 | skb_pull(skb, HCI_EVENT_HDR_SIZE); | |
952 | ||
953 | BT_DBG("%s evt 0x%x", hdev->name, hdr->evt); | |
954 | ||
955 | switch (hdr->evt) { | |
956 | case HCI_EV_NUM_COMP_PKTS: | |
957 | hci_num_comp_pkts_evt(hdev, skb); | |
958 | break; | |
959 | ||
960 | case HCI_EV_INQUIRY_COMPLETE: | |
961 | hci_inquiry_complete_evt(hdev, skb); | |
962 | break; | |
963 | ||
964 | case HCI_EV_INQUIRY_RESULT: | |
965 | hci_inquiry_result_evt(hdev, skb); | |
966 | break; | |
967 | ||
968 | case HCI_EV_INQUIRY_RESULT_WITH_RSSI: | |
969 | hci_inquiry_result_with_rssi_evt(hdev, skb); | |
970 | break; | |
971 | ||
21d9e30e MH |
972 | case HCI_EV_EXTENDED_INQUIRY_RESULT: |
973 | hci_extended_inquiry_result_evt(hdev, skb); | |
974 | break; | |
975 | ||
1da177e4 LT |
976 | case HCI_EV_CONN_REQUEST: |
977 | hci_conn_request_evt(hdev, skb); | |
978 | break; | |
979 | ||
980 | case HCI_EV_CONN_COMPLETE: | |
981 | hci_conn_complete_evt(hdev, skb); | |
982 | break; | |
983 | ||
984 | case HCI_EV_DISCONN_COMPLETE: | |
985 | hci_disconn_complete_evt(hdev, skb); | |
986 | break; | |
987 | ||
988 | case HCI_EV_ROLE_CHANGE: | |
989 | hci_role_change_evt(hdev, skb); | |
990 | break; | |
991 | ||
992 | case HCI_EV_AUTH_COMPLETE: | |
993 | hci_auth_complete_evt(hdev, skb); | |
994 | break; | |
995 | ||
996 | case HCI_EV_ENCRYPT_CHANGE: | |
997 | hci_encrypt_change_evt(hdev, skb); | |
998 | break; | |
999 | ||
1000 | case HCI_EV_CHANGE_CONN_LINK_KEY_COMPLETE: | |
1001 | hci_change_conn_link_key_complete_evt(hdev, skb); | |
1002 | break; | |
1003 | ||
1004 | case HCI_EV_PIN_CODE_REQ: | |
1005 | hci_pin_code_request_evt(hdev, skb); | |
1006 | break; | |
1007 | ||
1008 | case HCI_EV_LINK_KEY_REQ: | |
1009 | hci_link_key_request_evt(hdev, skb); | |
1010 | break; | |
1011 | ||
1012 | case HCI_EV_LINK_KEY_NOTIFY: | |
1013 | hci_link_key_notify_evt(hdev, skb); | |
1014 | break; | |
1015 | ||
1016 | case HCI_EV_CLOCK_OFFSET: | |
1017 | hci_clock_offset_evt(hdev, skb); | |
1018 | break; | |
1019 | ||
85a1e930 MH |
1020 | case HCI_EV_PSCAN_REP_MODE: |
1021 | hci_pscan_rep_mode_evt(hdev, skb); | |
1022 | break; | |
1023 | ||
1da177e4 LT |
1024 | case HCI_EV_CMD_STATUS: |
1025 | cs = (struct hci_ev_cmd_status *) skb->data; | |
1026 | skb_pull(skb, sizeof(cs)); | |
1027 | ||
1028 | opcode = __le16_to_cpu(cs->opcode); | |
1029 | ogf = hci_opcode_ogf(opcode); | |
1030 | ocf = hci_opcode_ocf(opcode); | |
1031 | ||
1032 | switch (ogf) { | |
1033 | case OGF_INFO_PARAM: | |
1034 | hci_cs_info_param(hdev, ocf, cs->status); | |
1035 | break; | |
1036 | ||
1037 | case OGF_HOST_CTL: | |
1038 | hci_cs_host_ctl(hdev, ocf, cs->status); | |
1039 | break; | |
1040 | ||
1041 | case OGF_LINK_CTL: | |
1042 | hci_cs_link_ctl(hdev, ocf, cs->status); | |
1043 | break; | |
1044 | ||
1045 | case OGF_LINK_POLICY: | |
1046 | hci_cs_link_policy(hdev, ocf, cs->status); | |
1047 | break; | |
1048 | ||
1049 | default: | |
1050 | BT_DBG("%s Command Status OGF %x", hdev->name, ogf); | |
1051 | break; | |
1052 | } | |
1053 | ||
1054 | if (cs->ncmd) { | |
1055 | atomic_set(&hdev->cmd_cnt, 1); | |
1056 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1057 | hci_sched_cmd(hdev); | |
1058 | } | |
1059 | break; | |
1060 | ||
1061 | case HCI_EV_CMD_COMPLETE: | |
1062 | ec = (struct hci_ev_cmd_complete *) skb->data; | |
1063 | skb_pull(skb, sizeof(*ec)); | |
1064 | ||
1065 | opcode = __le16_to_cpu(ec->opcode); | |
1066 | ogf = hci_opcode_ogf(opcode); | |
1067 | ocf = hci_opcode_ocf(opcode); | |
1068 | ||
1069 | switch (ogf) { | |
1070 | case OGF_INFO_PARAM: | |
1071 | hci_cc_info_param(hdev, ocf, skb); | |
1072 | break; | |
1073 | ||
1074 | case OGF_HOST_CTL: | |
1075 | hci_cc_host_ctl(hdev, ocf, skb); | |
1076 | break; | |
1077 | ||
1078 | case OGF_LINK_CTL: | |
1079 | hci_cc_link_ctl(hdev, ocf, skb); | |
1080 | break; | |
1081 | ||
1082 | case OGF_LINK_POLICY: | |
1083 | hci_cc_link_policy(hdev, ocf, skb); | |
1084 | break; | |
1085 | ||
1086 | default: | |
1087 | BT_DBG("%s Command Completed OGF %x", hdev->name, ogf); | |
1088 | break; | |
1089 | } | |
1090 | ||
1091 | if (ec->ncmd) { | |
1092 | atomic_set(&hdev->cmd_cnt, 1); | |
1093 | if (!skb_queue_empty(&hdev->cmd_q)) | |
1094 | hci_sched_cmd(hdev); | |
1095 | } | |
1096 | break; | |
1097 | } | |
1098 | ||
1099 | kfree_skb(skb); | |
1100 | hdev->stat.evt_rx++; | |
1101 | } | |
1102 | ||
1103 | /* Generate internal stack event */ | |
1104 | void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) | |
1105 | { | |
1106 | struct hci_event_hdr *hdr; | |
1107 | struct hci_ev_stack_internal *ev; | |
1108 | struct sk_buff *skb; | |
1109 | ||
1110 | skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC); | |
1111 | if (!skb) | |
1112 | return; | |
1113 | ||
1114 | hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE); | |
1115 | hdr->evt = HCI_EV_STACK_INTERNAL; | |
1116 | hdr->plen = sizeof(*ev) + dlen; | |
1117 | ||
1118 | ev = (void *) skb_put(skb, sizeof(*ev) + dlen); | |
1119 | ev->type = type; | |
1120 | memcpy(ev->data, data, dlen); | |
1121 | ||
576c7d85 | 1122 | bt_cb(skb)->incoming = 1; |
a61bbcf2 | 1123 | __net_timestamp(skb); |
576c7d85 | 1124 | |
0d48d939 | 1125 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; |
1da177e4 LT |
1126 | skb->dev = (void *) hdev; |
1127 | hci_send_to_sock(hdev, skb); | |
1128 | kfree_skb(skb); | |
1129 | } |