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31#include <linux/config.h>
32#include <linux/module.h>
33
34#include <linux/types.h>
35#include <linux/errno.h>
36#include <linux/kernel.h>
37#include <linux/major.h>
38#include <linux/sched.h>
39#include <linux/slab.h>
40#include <linux/poll.h>
41#include <linux/fcntl.h>
42#include <linux/init.h>
43#include <linux/skbuff.h>
44#include <linux/interrupt.h>
45#include <linux/notifier.h>
46#include <net/sock.h>
47
48#include <asm/system.h>
49#include <asm/uaccess.h>
50#include <asm/unaligned.h>
51
52#include <net/bluetooth/bluetooth.h>
53#include <net/bluetooth/hci_core.h>
54
55#ifndef HCI_CORE_DEBUG
56#undef BT_DBG
57#define BT_DBG( A... )
58#endif
59
60
61
62
63static void hci_cc_link_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb)
64{
65 __u8 status;
66
67 BT_DBG("%s ocf 0x%x", hdev->name, ocf);
68
69 switch (ocf) {
70 case OCF_INQUIRY_CANCEL:
71 status = *((__u8 *) skb->data);
72
73 if (status) {
74 BT_DBG("%s Inquiry cancel error: status 0x%x", hdev->name, status);
75 } else {
76 clear_bit(HCI_INQUIRY, &hdev->flags);
77 hci_req_complete(hdev, status);
78 }
79 break;
80
81 default:
82 BT_DBG("%s Command complete: ogf LINK_CTL ocf %x", hdev->name, ocf);
83 break;
84 };
85}
86
87
88static void hci_cc_link_policy(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb)
89{
90 struct hci_conn *conn;
91 role_discovery_rp *rd;
92
93 BT_DBG("%s ocf 0x%x", hdev->name, ocf);
94
95 switch (ocf) {
96 case OCF_ROLE_DISCOVERY:
97 rd = (void *) skb->data;
98
99 if (rd->status)
100 break;
101
102 hci_dev_lock(hdev);
103
104 conn = conn_hash_lookup_handle(hdev, __le16_to_cpu(rd->handle));
105 if (conn) {
106 if (rd->role)
107 conn->link_mode &= ~HCI_LM_MASTER;
108 else
109 conn->link_mode |= HCI_LM_MASTER;
110 }
111
112 hci_dev_unlock(hdev);
113 break;
114
115 default:
116 BT_DBG("%s: Command complete: ogf LINK_POLICY ocf %x",
117 hdev->name, ocf);
118 break;
119 };
120}
121
122
123static void hci_cc_host_ctl(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb)
124{
125 __u8 status, param;
126 void *sent;
127
128 BT_DBG("%s ocf 0x%x", hdev->name, ocf);
129
130 switch (ocf) {
131 case OCF_RESET:
132 status = *((__u8 *) skb->data);
133 hci_req_complete(hdev, status);
134 break;
135
136 case OCF_SET_EVENT_FLT:
137 status = *((__u8 *) skb->data);
138 if (status) {
139 BT_DBG("%s SET_EVENT_FLT failed %d", hdev->name, status);
140 } else {
141 BT_DBG("%s SET_EVENT_FLT succeseful", hdev->name);
142 }
143 break;
144
145 case OCF_WRITE_AUTH_ENABLE:
146 sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_AUTH_ENABLE);
147 if (!sent)
148 break;
149
150 status = *((__u8 *) skb->data);
151 param = *((__u8 *) sent);
152
153 if (!status) {
154 if (param == AUTH_ENABLED)
155 set_bit(HCI_AUTH, &hdev->flags);
156 else
157 clear_bit(HCI_AUTH, &hdev->flags);
158 }
159 hci_req_complete(hdev, status);
160 break;
161
162 case OCF_WRITE_ENCRYPT_MODE:
163 sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_ENCRYPT_MODE);
164 if (!sent)
165 break;
166
167 status = *((__u8 *) skb->data);
168 param = *((__u8 *) sent);
169
170 if (!status) {
171 if (param)
172 set_bit(HCI_ENCRYPT, &hdev->flags);
173 else
174 clear_bit(HCI_ENCRYPT, &hdev->flags);
175 }
176 hci_req_complete(hdev, status);
177 break;
178
179 case OCF_WRITE_CA_TIMEOUT:
180 status = *((__u8 *) skb->data);
181 if (status) {
182 BT_DBG("%s OCF_WRITE_CA_TIMEOUT failed %d", hdev->name, status);
183 } else {
184 BT_DBG("%s OCF_WRITE_CA_TIMEOUT succeseful", hdev->name);
185 }
186 break;
187
188 case OCF_WRITE_PG_TIMEOUT:
189 status = *((__u8 *) skb->data);
190 if (status) {
191 BT_DBG("%s OCF_WRITE_PG_TIMEOUT failed %d", hdev->name, status);
192 } else {
193 BT_DBG("%s: OCF_WRITE_PG_TIMEOUT succeseful", hdev->name);
194 }
195 break;
196
197 case OCF_WRITE_SCAN_ENABLE:
198 sent = hci_sent_cmd_data(hdev, OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE);
199 if (!sent)
200 break;
201 status = *((__u8 *) skb->data);
202 param = *((__u8 *) sent);
203
204 BT_DBG("param 0x%x", param);
205
206 if (!status) {
207 clear_bit(HCI_PSCAN, &hdev->flags);
208 clear_bit(HCI_ISCAN, &hdev->flags);
209 if (param & SCAN_INQUIRY)
210 set_bit(HCI_ISCAN, &hdev->flags);
211
212 if (param & SCAN_PAGE)
213 set_bit(HCI_PSCAN, &hdev->flags);
214 }
215 hci_req_complete(hdev, status);
216 break;
217
218 case OCF_HOST_BUFFER_SIZE:
219 status = *((__u8 *) skb->data);
220 if (status) {
221 BT_DBG("%s OCF_BUFFER_SIZE failed %d", hdev->name, status);
222 hci_req_complete(hdev, status);
223 }
224 break;
225
226 default:
227 BT_DBG("%s Command complete: ogf HOST_CTL ocf %x", hdev->name, ocf);
228 break;
229 };
230}
231
232
233static void hci_cc_info_param(struct hci_dev *hdev, __u16 ocf, struct sk_buff *skb)
234{
235 read_local_features_rp *lf;
236 read_buffer_size_rp *bs;
237 read_bd_addr_rp *ba;
238
239 BT_DBG("%s ocf 0x%x", hdev->name, ocf);
240
241 switch (ocf) {
242 case OCF_READ_LOCAL_FEATURES:
243 lf = (read_local_features_rp *) skb->data;
244
245 if (lf->status) {
246 BT_DBG("%s READ_LOCAL_FEATURES failed %d", hdev->name, lf->status);
247 break;
248 }
249
250 memcpy(hdev->features, lf->features, sizeof(hdev->features));
251
252
253
254 if (hdev->features[0] & LMP_3SLOT)
255 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
256
257 if (hdev->features[0] & LMP_5SLOT)
258 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
259
260 if (hdev->features[1] & LMP_HV2)
261 hdev->pkt_type |= (HCI_HV2);
262
263 if (hdev->features[1] & LMP_HV3)
264 hdev->pkt_type |= (HCI_HV3);
265
266 BT_DBG("%s: features 0x%x 0x%x 0x%x", hdev->name, lf->features[0], lf->features[1], lf->features[2]);
267
268 break;
269
270 case OCF_READ_BUFFER_SIZE:
271 bs = (read_buffer_size_rp *) skb->data;
272
273 if (bs->status) {
274 BT_DBG("%s READ_BUFFER_SIZE failed %d", hdev->name, bs->status);
275 hci_req_complete(hdev, bs->status);
276 break;
277 }
278
279 hdev->acl_mtu = __le16_to_cpu(bs->acl_mtu);
280 hdev->sco_mtu = bs->sco_mtu ? bs->sco_mtu : 64;
281 hdev->acl_pkts = hdev->acl_cnt = __le16_to_cpu(bs->acl_max_pkt);
282 hdev->sco_pkts = hdev->sco_cnt = __le16_to_cpu(bs->sco_max_pkt);
283
284 BT_DBG("%s mtu: acl %d, sco %d max_pkt: acl %d, sco %d", hdev->name,
285 hdev->acl_mtu, hdev->sco_mtu, hdev->acl_pkts, hdev->sco_pkts);
286 break;
287
288 case OCF_READ_BD_ADDR:
289 ba = (read_bd_addr_rp *) skb->data;
290
291 if (!ba->status) {
292 bacpy(&hdev->bdaddr, &ba->bdaddr);
293 } else {
294 BT_DBG("%s: READ_BD_ADDR failed %d", hdev->name, ba->status);
295 }
296
297 hci_req_complete(hdev, ba->status);
298 break;
299
300 default:
301 BT_DBG("%s Command complete: ogf INFO_PARAM ocf %x", hdev->name, ocf);
302 break;
303 };
304}
305
306
307static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
308{
309 struct hci_conn *conn;
310 create_conn_cp *cc = hci_sent_cmd_data(hdev, OGF_LINK_CTL, OCF_CREATE_CONN);
311
312 if (!cc)
313 return;
314
315 hci_dev_lock(hdev);
316
317 conn = conn_hash_lookup_ba(hdev, ACL_LINK, &cc->bdaddr);
318
319 BT_DBG("%s status 0x%x bdaddr %s conn %p", hdev->name,
320 status, batostr(&cc->bdaddr), conn);
321
322 if (status) {
323 if (conn && conn->state == BT_CONNECT) {
324 conn->state = BT_CLOSED;
325 hci_proto_connect_cfm(conn, status);
326 hci_conn_del(conn);
327 }
328 } else {
329 if (!conn) {
330 conn = hci_conn_add(hdev, ACL_LINK, &cc->bdaddr);
331 if (conn) {
332 conn->out = 1;
333 conn->link_mode |= HCI_LM_MASTER;
334 } else
335 BT_ERR("No memmory for new connection");
336 }
337 }
338
339 hci_dev_unlock(hdev);
340}
341
342static void hci_cs_link_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status)
343{
344 BT_DBG("%s ocf 0x%x", hdev->name, ocf);
345
346 switch (ocf) {
347 case OCF_CREATE_CONN:
348 hci_cs_create_conn(hdev, status);
349 break;
350
351 case OCF_ADD_SCO:
352 if (status) {
353 struct hci_conn *acl, *sco;
354 add_sco_cp *cp = hci_sent_cmd_data(hdev,
355 OGF_LINK_CTL, OCF_ADD_SCO);
356 __u16 handle;
357
358 if (!cp)
359 break;
360
361 handle = __le16_to_cpu(cp->handle);
362
363 BT_DBG("%s Add SCO error: handle %d status 0x%x", hdev->name, handle, status);
364
365 hci_dev_lock(hdev);
366
367 acl = conn_hash_lookup_handle(hdev, handle);
368 if (acl && (sco = acl->link)) {
369 sco->state = BT_CLOSED;
370 hci_proto_connect_cfm(sco, status);
371 hci_conn_del(sco);
372 }
373
374 hci_dev_unlock(hdev);
375 }
376 break;
377
378 case OCF_INQUIRY:
379 if (status) {
380 BT_DBG("%s Inquiry error: status 0x%x", hdev->name, status);
381 hci_req_complete(hdev, status);
382 } else {
383 set_bit(HCI_INQUIRY, &hdev->flags);
384 }
385 break;
386
387 default:
388 BT_DBG("%s Command status: ogf LINK_CTL ocf %x status %d",
389 hdev->name, ocf, status);
390 break;
391 };
392}
393
394
395static void hci_cs_link_policy(struct hci_dev *hdev, __u16 ocf, __u8 status)
396{
397 BT_DBG("%s ocf 0x%x", hdev->name, ocf);
398
399 switch (ocf) {
400 default:
401 BT_DBG("%s Command status: ogf HOST_POLICY ocf %x", hdev->name, ocf);
402 break;
403 };
404}
405
406
407static void hci_cs_host_ctl(struct hci_dev *hdev, __u16 ocf, __u8 status)
408{
409 BT_DBG("%s ocf 0x%x", hdev->name, ocf);
410
411 switch (ocf) {
412 default:
413 BT_DBG("%s Command status: ogf HOST_CTL ocf %x", hdev->name, ocf);
414 break;
415 };
416}
417
418
419static void hci_cs_info_param(struct hci_dev *hdev, __u16 ocf, __u8 status)
420{
421 BT_DBG("%s: hci_cs_info_param: ocf 0x%x", hdev->name, ocf);
422
423 switch (ocf) {
424 default:
425 BT_DBG("%s Command status: ogf INFO_PARAM ocf %x", hdev->name, ocf);
426 break;
427 };
428}
429
430
431static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
432{
433 __u8 status = *((__u8 *) skb->data);
434
435 BT_DBG("%s status %d", hdev->name, status);
436
437 clear_bit(HCI_INQUIRY, &hdev->flags);
438 hci_req_complete(hdev, status);
439}
440
441
442static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
443{
444 inquiry_info *info = (inquiry_info *) (skb->data + 1);
445 int num_rsp = *((__u8 *) skb->data);
446
447 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
448
449 hci_dev_lock(hdev);
450 for (; num_rsp; num_rsp--)
451 inquiry_cache_update(hdev, info++);
452 hci_dev_unlock(hdev);
453}
454
455
456static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
457{
458 inquiry_info_with_rssi *info = (inquiry_info_with_rssi *) (skb->data + 1);
459 int num_rsp = *((__u8 *) skb->data);
460
461 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
462
463 hci_dev_lock(hdev);
464 for (; num_rsp; num_rsp--) {
465 inquiry_info tmp;
466 bacpy(&tmp.bdaddr, &info->bdaddr);
467 tmp.pscan_rep_mode = info->pscan_rep_mode;
468 tmp.pscan_period_mode = info->pscan_period_mode;
469 tmp.pscan_mode = 0x00;
470 memcpy(tmp.dev_class, &info->dev_class, 3);
471 tmp.clock_offset = info->clock_offset;
472 info++;
473 inquiry_cache_update(hdev, &tmp);
474 }
475 hci_dev_unlock(hdev);
476}
477
478
479static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
480{
481 evt_conn_request *cr = (evt_conn_request *) skb->data;
482 int mask = hdev->link_mode;
483
484 BT_DBG("%s Connection request: %s type 0x%x", hdev->name,
485 batostr(&cr->bdaddr), cr->link_type);
486
487 mask |= hci_proto_connect_ind(hdev, &cr->bdaddr, cr->link_type);
488
489 if (mask & HCI_LM_ACCEPT) {
490
491 struct hci_conn *conn;
492 accept_conn_req_cp ac;
493
494 hci_dev_lock(hdev);
495 conn = conn_hash_lookup_ba(hdev, cr->link_type, &cr->bdaddr);
496 if (!conn) {
497 if (!(conn = hci_conn_add(hdev, cr->link_type, &cr->bdaddr))) {
498 BT_ERR("No memmory for new connection");
499 hci_dev_unlock(hdev);
500 return;
501 }
502 }
503 conn->state = BT_CONNECT;
504 hci_dev_unlock(hdev);
505
506 bacpy(&ac.bdaddr, &cr->bdaddr);
507
508 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
509 ac.role = 0x00;
510 else
511 ac.role = 0x01;
512
513 hci_send_cmd(hdev, OGF_LINK_CTL, OCF_ACCEPT_CONN_REQ,
514 ACCEPT_CONN_REQ_CP_SIZE, &ac);
515 } else {
516
517 reject_conn_req_cp rc;
518
519 bacpy(&rc.bdaddr, &cr->bdaddr);
520 rc.reason = 0x0f;
521 hci_send_cmd(hdev, OGF_LINK_CTL, OCF_REJECT_CONN_REQ,
522 REJECT_CONN_REQ_CP_SIZE, &rc);
523 }
524}
525
526
527static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
528{
529 evt_conn_complete *cc = (evt_conn_complete *) skb->data;
530 struct hci_conn *conn = NULL;
531
532 BT_DBG("%s", hdev->name);
533
534 hci_dev_lock(hdev);
535
536 conn = conn_hash_lookup_ba(hdev, cc->link_type, &cc->bdaddr);
537 if (!conn) {
538 hci_dev_unlock(hdev);
539 return;
540 }
541
542 if (!cc->status) {
543 conn->handle = __le16_to_cpu(cc->handle);
544 conn->state = BT_CONNECTED;
545
546 if (test_bit(HCI_AUTH, &hdev->flags))
547 conn->link_mode |= HCI_LM_AUTH;
548
549 if (test_bit(HCI_ENCRYPT, &hdev->flags))
550 conn->link_mode |= HCI_LM_ENCRYPT;
551
552
553
554 if (conn->type == ACL_LINK && hdev->link_policy) {
555 write_link_policy_cp lp;
556 lp.handle = cc->handle;
557 lp.policy = __cpu_to_le16(hdev->link_policy);
558 hci_send_cmd(hdev, OGF_LINK_POLICY, OCF_WRITE_LINK_POLICY,
559 WRITE_LINK_POLICY_CP_SIZE, &lp);
560 }
561
562
563 if (!conn->out) {
564 change_conn_ptype_cp cp;
565 cp.handle = cc->handle;
566 cp.pkt_type = (conn->type == ACL_LINK) ?
567 __cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK):
568 __cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK);
569
570 hci_send_cmd(hdev, OGF_LINK_CTL, OCF_CHANGE_CONN_PTYPE,
571 CHANGE_CONN_PTYPE_CP_SIZE, &cp);
572 }
573 } else
574 conn->state = BT_CLOSED;
575
576 if (conn->type == ACL_LINK) {
577 struct hci_conn *sco = conn->link;
578 if (sco) {
579 if (!cc->status)
580 hci_add_sco(sco, conn->handle);
581 else {
582 hci_proto_connect_cfm(sco, cc->status);
583 hci_conn_del(sco);
584 }
585 }
586 }
587
588 hci_proto_connect_cfm(conn, cc->status);
589 if (cc->status)
590 hci_conn_del(conn);
591
592 hci_dev_unlock(hdev);
593}
594
595
596static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
597{
598 evt_disconn_complete *dc = (evt_disconn_complete *) skb->data;
599 struct hci_conn *conn = NULL;
600 __u16 handle = __le16_to_cpu(dc->handle);
601
602 BT_DBG("%s status %d", hdev->name, dc->status);
603
604 if (dc->status)
605 return;
606
607 hci_dev_lock(hdev);
608
609 conn = conn_hash_lookup_handle(hdev, handle);
610 if (conn) {
611 conn->state = BT_CLOSED;
612 hci_proto_disconn_ind(conn, dc->reason);
613 hci_conn_del(conn);
614 }
615
616 hci_dev_unlock(hdev);
617}
618
619
620static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
621{
622 evt_num_comp_pkts *nc = (evt_num_comp_pkts *) skb->data;
623 __u16 *ptr;
624 int i;
625
626 skb_pull(skb, EVT_NUM_COMP_PKTS_SIZE);
627
628 BT_DBG("%s num_hndl %d", hdev->name, nc->num_hndl);
629
630 if (skb->len < nc->num_hndl * 4) {
631 BT_DBG("%s bad parameters", hdev->name);
632 return;
633 }
634
635 tasklet_disable(&hdev->tx_task);
636
637 for (i = 0, ptr = (__u16 *) skb->data; i < nc->num_hndl; i++) {
638 struct hci_conn *conn;
639 __u16 handle, count;
640
641 handle = __le16_to_cpu(get_unaligned(ptr++));
642 count = __le16_to_cpu(get_unaligned(ptr++));
643
644 conn = conn_hash_lookup_handle(hdev, handle);
645 if (conn) {
646 conn->sent -= count;
647
648 if (conn->type == SCO_LINK) {
649 if ((hdev->sco_cnt += count) > hdev->sco_pkts)
650 hdev->sco_cnt = hdev->sco_pkts;
651 } else {
652 if ((hdev->acl_cnt += count) > hdev->acl_pkts)
653 hdev->acl_cnt = hdev->acl_pkts;
654 }
655 }
656 }
657 hci_sched_tx(hdev);
658
659 tasklet_enable(&hdev->tx_task);
660}
661
662
663static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
664{
665 evt_role_change *rc = (evt_role_change *) skb->data;
666 struct hci_conn *conn = NULL;
667
668 BT_DBG("%s status %d", hdev->name, rc->status);
669
670 if (rc->status)
671 return;
672
673 hci_dev_lock(hdev);
674
675 conn = conn_hash_lookup_ba(hdev, ACL_LINK, &rc->bdaddr);
676 if (conn) {
677 if (rc->role)
678 conn->link_mode &= ~HCI_LM_MASTER;
679 else
680 conn->link_mode |= HCI_LM_MASTER;
681 }
682
683 hci_dev_unlock(hdev);
684}
685
686
687static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
688{
689 evt_auth_complete *ac = (evt_auth_complete *) skb->data;
690 struct hci_conn *conn = NULL;
691 __u16 handle = __le16_to_cpu(ac->handle);
692
693 BT_DBG("%s status %d", hdev->name, ac->status);
694
695 hci_dev_lock(hdev);
696
697 conn = conn_hash_lookup_handle(hdev, handle);
698 if (conn) {
699 if (!ac->status)
700 conn->link_mode |= HCI_LM_AUTH;
701 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
702
703 hci_proto_auth_cfm(conn, ac->status);
704
705 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
706 if (!ac->status) {
707 set_conn_encrypt_cp ce;
708 ce.handle = __cpu_to_le16(conn->handle);
709 ce.encrypt = 1;
710 hci_send_cmd(conn->hdev, OGF_LINK_CTL,
711 OCF_SET_CONN_ENCRYPT,
712 SET_CONN_ENCRYPT_CP_SIZE, &ce);
713 } else {
714 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
715 hci_proto_encrypt_cfm(conn, ac->status);
716 }
717 }
718 }
719
720 hci_dev_unlock(hdev);
721}
722
723
724static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
725{
726 evt_encrypt_change *ec = (evt_encrypt_change *) skb->data;
727 struct hci_conn *conn = NULL;
728 __u16 handle = __le16_to_cpu(ec->handle);
729
730 BT_DBG("%s status %d", hdev->name, ec->status);
731
732 hci_dev_lock(hdev);
733
734 conn = conn_hash_lookup_handle(hdev, handle);
735 if (conn) {
736 if (!ec->status) {
737 if (ec->encrypt)
738 conn->link_mode |= HCI_LM_ENCRYPT;
739 else
740 conn->link_mode &= ~HCI_LM_ENCRYPT;
741 }
742 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
743
744 hci_proto_encrypt_cfm(conn, ec->status);
745 }
746
747 hci_dev_unlock(hdev);
748}
749
750void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
751{
752 hci_event_hdr *he = (hci_event_hdr *) skb->data;
753 evt_cmd_status *cs;
754 evt_cmd_complete *ec;
755 __u16 opcode, ocf, ogf;
756
757 skb_pull(skb, HCI_EVENT_HDR_SIZE);
758
759 BT_DBG("%s evt 0x%x", hdev->name, he->evt);
760
761 switch (he->evt) {
762 case EVT_NUM_COMP_PKTS:
763 hci_num_comp_pkts_evt(hdev, skb);
764 break;
765
766 case EVT_INQUIRY_COMPLETE:
767 hci_inquiry_complete_evt(hdev, skb);
768 break;
769
770 case EVT_INQUIRY_RESULT:
771 hci_inquiry_result_evt(hdev, skb);
772 break;
773
774 case EVT_INQUIRY_RESULT_WITH_RSSI:
775 hci_inquiry_result_with_rssi_evt(hdev, skb);
776 break;
777
778 case EVT_CONN_REQUEST:
779 hci_conn_request_evt(hdev, skb);
780 break;
781
782 case EVT_CONN_COMPLETE:
783 hci_conn_complete_evt(hdev, skb);
784 break;
785
786 case EVT_DISCONN_COMPLETE:
787 hci_disconn_complete_evt(hdev, skb);
788 break;
789
790 case EVT_ROLE_CHANGE:
791 hci_role_change_evt(hdev, skb);
792 break;
793
794 case EVT_AUTH_COMPLETE:
795 hci_auth_complete_evt(hdev, skb);
796 break;
797
798 case EVT_ENCRYPT_CHANGE:
799 hci_encrypt_change_evt(hdev, skb);
800 break;
801
802 case EVT_CMD_STATUS:
803 cs = (evt_cmd_status *) skb->data;
804 skb_pull(skb, EVT_CMD_STATUS_SIZE);
805
806 opcode = __le16_to_cpu(cs->opcode);
807 ogf = cmd_opcode_ogf(opcode);
808 ocf = cmd_opcode_ocf(opcode);
809
810 switch (ogf) {
811 case OGF_INFO_PARAM:
812 hci_cs_info_param(hdev, ocf, cs->status);
813 break;
814
815 case OGF_HOST_CTL:
816 hci_cs_host_ctl(hdev, ocf, cs->status);
817 break;
818
819 case OGF_LINK_CTL:
820 hci_cs_link_ctl(hdev, ocf, cs->status);
821 break;
822
823 case OGF_LINK_POLICY:
824 hci_cs_link_policy(hdev, ocf, cs->status);
825 break;
826
827 default:
828 BT_DBG("%s Command Status OGF %x", hdev->name, ogf);
829 break;
830 };
831
832 if (cs->ncmd) {
833 atomic_set(&hdev->cmd_cnt, 1);
834 if (!skb_queue_empty(&hdev->cmd_q))
835 hci_sched_cmd(hdev);
836 }
837 break;
838
839 case EVT_CMD_COMPLETE:
840 ec = (evt_cmd_complete *) skb->data;
841 skb_pull(skb, EVT_CMD_COMPLETE_SIZE);
842
843 opcode = __le16_to_cpu(ec->opcode);
844 ogf = cmd_opcode_ogf(opcode);
845 ocf = cmd_opcode_ocf(opcode);
846
847 switch (ogf) {
848 case OGF_INFO_PARAM:
849 hci_cc_info_param(hdev, ocf, skb);
850 break;
851
852 case OGF_HOST_CTL:
853 hci_cc_host_ctl(hdev, ocf, skb);
854 break;
855
856 case OGF_LINK_CTL:
857 hci_cc_link_ctl(hdev, ocf, skb);
858 break;
859
860 case OGF_LINK_POLICY:
861 hci_cc_link_policy(hdev, ocf, skb);
862 break;
863
864 default:
865 BT_DBG("%s Command Completed OGF %x", hdev->name, ogf);
866 break;
867 };
868
869 if (ec->ncmd) {
870 atomic_set(&hdev->cmd_cnt, 1);
871 if (!skb_queue_empty(&hdev->cmd_q))
872 hci_sched_cmd(hdev);
873 }
874 break;
875 };
876
877 kfree_skb(skb);
878 hdev->stat.evt_rx++;
879}
880
881
882void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
883{
884 hci_event_hdr *eh;
885 evt_stack_internal *si;
886 struct sk_buff *skb;
887 int size;
888 void *ptr;
889
890 size = HCI_EVENT_HDR_SIZE + EVT_STACK_INTERNAL_SIZE + dlen;
891 skb = bluez_skb_alloc(size, GFP_ATOMIC);
892 if (!skb)
893 return;
894
895 ptr = skb_put(skb, size);
896
897 eh = ptr;
898 eh->evt = EVT_STACK_INTERNAL;
899 eh->plen = EVT_STACK_INTERNAL_SIZE + dlen;
900 ptr += HCI_EVENT_HDR_SIZE;
901
902 si = ptr;
903 si->type = type;
904 memcpy(si->data, data, dlen);
905
906 skb->pkt_type = HCI_EVENT_PKT;
907 skb->dev = (void *) hdev;
908 hci_send_to_sock(hdev, skb);
909 kfree_skb(skb);
910}
911
