2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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;
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.
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.
25 /* Bluetooth HCI event handling. */
27 #include <linux/module.h>
29 #include <linux/types.h>
30 #include <linux/errno.h>
31 #include <linux/kernel.h>
32 #include <linux/slab.h>
33 #include <linux/poll.h>
34 #include <linux/fcntl.h>
35 #include <linux/init.h>
36 #include <linux/skbuff.h>
37 #include <linux/interrupt.h>
38 #include <linux/notifier.h>
41 #include <asm/system.h>
42 #include <linux/uaccess.h>
43 #include <asm/unaligned.h>
45 #include <net/bluetooth/bluetooth.h>
46 #include <net/bluetooth/hci_core.h>
50 /* Handle HCI Event packets */
52 static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
54 __u8 status = *((__u8 *) skb->data);
56 BT_DBG("%s status 0x%x", hdev->name, status);
61 clear_bit(HCI_INQUIRY, &hdev->flags);
64 mgmt_discovering(hdev, 0);
67 hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
69 hci_conn_check_pending(hdev);
72 static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
74 __u8 status = *((__u8 *) skb->data);
76 BT_DBG("%s status 0x%x", hdev->name, status);
81 hci_conn_check_pending(hdev);
84 static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb)
86 BT_DBG("%s", hdev->name);
89 static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
91 struct hci_rp_role_discovery *rp = (void *) skb->data;
92 struct hci_conn *conn;
94 BT_DBG("%s status 0x%x", hdev->name, rp->status);
101 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
104 conn->link_mode &= ~HCI_LM_MASTER;
106 conn->link_mode |= HCI_LM_MASTER;
109 hci_dev_unlock(hdev);
112 static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
114 struct hci_rp_read_link_policy *rp = (void *) skb->data;
115 struct hci_conn *conn;
117 BT_DBG("%s status 0x%x", hdev->name, rp->status);
124 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
126 conn->link_policy = __le16_to_cpu(rp->policy);
128 hci_dev_unlock(hdev);
131 static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
133 struct hci_rp_write_link_policy *rp = (void *) skb->data;
134 struct hci_conn *conn;
137 BT_DBG("%s status 0x%x", hdev->name, rp->status);
142 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
148 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
150 conn->link_policy = get_unaligned_le16(sent + 2);
152 hci_dev_unlock(hdev);
155 static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
157 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
159 BT_DBG("%s status 0x%x", hdev->name, rp->status);
164 hdev->link_policy = __le16_to_cpu(rp->policy);
167 static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
169 __u8 status = *((__u8 *) skb->data);
172 BT_DBG("%s status 0x%x", hdev->name, status);
174 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
179 hdev->link_policy = get_unaligned_le16(sent);
181 hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
184 static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
186 __u8 status = *((__u8 *) skb->data);
188 BT_DBG("%s status 0x%x", hdev->name, status);
190 clear_bit(HCI_RESET, &hdev->flags);
192 hci_req_complete(hdev, HCI_OP_RESET, status);
195 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
197 __u8 status = *((__u8 *) skb->data);
200 BT_DBG("%s status 0x%x", hdev->name, status);
202 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
208 if (test_bit(HCI_MGMT, &hdev->flags))
209 mgmt_set_local_name_complete(hdev, sent, status);
212 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
214 hci_dev_unlock(hdev);
217 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
219 struct hci_rp_read_local_name *rp = (void *) skb->data;
221 BT_DBG("%s status 0x%x", hdev->name, rp->status);
226 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
229 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
231 __u8 status = *((__u8 *) skb->data);
234 BT_DBG("%s status 0x%x", hdev->name, status);
236 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
241 __u8 param = *((__u8 *) sent);
243 if (param == AUTH_ENABLED)
244 set_bit(HCI_AUTH, &hdev->flags);
246 clear_bit(HCI_AUTH, &hdev->flags);
249 hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
252 static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
254 __u8 status = *((__u8 *) skb->data);
257 BT_DBG("%s status 0x%x", hdev->name, status);
259 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
264 __u8 param = *((__u8 *) sent);
267 set_bit(HCI_ENCRYPT, &hdev->flags);
269 clear_bit(HCI_ENCRYPT, &hdev->flags);
272 hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
275 static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
277 __u8 param, status = *((__u8 *) skb->data);
278 int old_pscan, old_iscan;
281 BT_DBG("%s status 0x%x", hdev->name, status);
283 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
287 param = *((__u8 *) sent);
292 mgmt_write_scan_failed(hdev, param, status);
293 hdev->discov_timeout = 0;
297 old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
298 old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
300 if (param & SCAN_INQUIRY) {
301 set_bit(HCI_ISCAN, &hdev->flags);
303 mgmt_discoverable(hdev, 1);
304 if (hdev->discov_timeout > 0) {
305 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
306 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
309 } else if (old_iscan)
310 mgmt_discoverable(hdev, 0);
312 if (param & SCAN_PAGE) {
313 set_bit(HCI_PSCAN, &hdev->flags);
315 mgmt_connectable(hdev, 1);
316 } else if (old_pscan)
317 mgmt_connectable(hdev, 0);
320 hci_dev_unlock(hdev);
321 hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
324 static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
326 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
328 BT_DBG("%s status 0x%x", hdev->name, rp->status);
333 memcpy(hdev->dev_class, rp->dev_class, 3);
335 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
336 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
339 static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
341 __u8 status = *((__u8 *) skb->data);
344 BT_DBG("%s status 0x%x", hdev->name, status);
349 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
353 memcpy(hdev->dev_class, sent, 3);
356 static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
358 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
361 BT_DBG("%s status 0x%x", hdev->name, rp->status);
366 setting = __le16_to_cpu(rp->voice_setting);
368 if (hdev->voice_setting == setting)
371 hdev->voice_setting = setting;
373 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
376 tasklet_disable(&hdev->tx_task);
377 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
378 tasklet_enable(&hdev->tx_task);
382 static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
384 __u8 status = *((__u8 *) skb->data);
388 BT_DBG("%s status 0x%x", hdev->name, status);
393 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
397 setting = get_unaligned_le16(sent);
399 if (hdev->voice_setting == setting)
402 hdev->voice_setting = setting;
404 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
407 tasklet_disable(&hdev->tx_task);
408 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
409 tasklet_enable(&hdev->tx_task);
413 static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
415 __u8 status = *((__u8 *) skb->data);
417 BT_DBG("%s status 0x%x", hdev->name, status);
419 hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
422 static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
424 struct hci_rp_read_ssp_mode *rp = (void *) skb->data;
426 BT_DBG("%s status 0x%x", hdev->name, rp->status);
431 hdev->ssp_mode = rp->mode;
434 static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
436 __u8 status = *((__u8 *) skb->data);
439 BT_DBG("%s status 0x%x", hdev->name, status);
444 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
448 hdev->ssp_mode = *((__u8 *) sent);
451 static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
453 if (hdev->features[6] & LMP_EXT_INQ)
456 if (hdev->features[3] & LMP_RSSI_INQ)
459 if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
460 hdev->lmp_subver == 0x0757)
463 if (hdev->manufacturer == 15) {
464 if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
466 if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
468 if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
472 if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
473 hdev->lmp_subver == 0x1805)
479 static void hci_setup_inquiry_mode(struct hci_dev *hdev)
483 mode = hci_get_inquiry_mode(hdev);
485 hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
488 static void hci_setup_event_mask(struct hci_dev *hdev)
490 /* The second byte is 0xff instead of 0x9f (two reserved bits
491 * disabled) since a Broadcom 1.2 dongle doesn't respond to the
492 * command otherwise */
493 u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
495 /* CSR 1.1 dongles does not accept any bitfield so don't try to set
496 * any event mask for pre 1.2 devices */
497 if (hdev->lmp_ver <= 1)
500 events[4] |= 0x01; /* Flow Specification Complete */
501 events[4] |= 0x02; /* Inquiry Result with RSSI */
502 events[4] |= 0x04; /* Read Remote Extended Features Complete */
503 events[5] |= 0x08; /* Synchronous Connection Complete */
504 events[5] |= 0x10; /* Synchronous Connection Changed */
506 if (hdev->features[3] & LMP_RSSI_INQ)
507 events[4] |= 0x04; /* Inquiry Result with RSSI */
509 if (hdev->features[5] & LMP_SNIFF_SUBR)
510 events[5] |= 0x20; /* Sniff Subrating */
512 if (hdev->features[5] & LMP_PAUSE_ENC)
513 events[5] |= 0x80; /* Encryption Key Refresh Complete */
515 if (hdev->features[6] & LMP_EXT_INQ)
516 events[5] |= 0x40; /* Extended Inquiry Result */
518 if (hdev->features[6] & LMP_NO_FLUSH)
519 events[7] |= 0x01; /* Enhanced Flush Complete */
521 if (hdev->features[7] & LMP_LSTO)
522 events[6] |= 0x80; /* Link Supervision Timeout Changed */
524 if (hdev->features[6] & LMP_SIMPLE_PAIR) {
525 events[6] |= 0x01; /* IO Capability Request */
526 events[6] |= 0x02; /* IO Capability Response */
527 events[6] |= 0x04; /* User Confirmation Request */
528 events[6] |= 0x08; /* User Passkey Request */
529 events[6] |= 0x10; /* Remote OOB Data Request */
530 events[6] |= 0x20; /* Simple Pairing Complete */
531 events[7] |= 0x04; /* User Passkey Notification */
532 events[7] |= 0x08; /* Keypress Notification */
533 events[7] |= 0x10; /* Remote Host Supported
534 * Features Notification */
537 if (hdev->features[4] & LMP_LE)
538 events[7] |= 0x20; /* LE Meta-Event */
540 hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
543 static void hci_set_le_support(struct hci_dev *hdev)
545 struct hci_cp_write_le_host_supported cp;
547 memset(&cp, 0, sizeof(cp));
551 cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
554 hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp);
557 static void hci_setup(struct hci_dev *hdev)
559 hci_setup_event_mask(hdev);
561 if (hdev->lmp_ver > 1)
562 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
564 if (hdev->features[6] & LMP_SIMPLE_PAIR) {
566 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
569 if (hdev->features[3] & LMP_RSSI_INQ)
570 hci_setup_inquiry_mode(hdev);
572 if (hdev->features[7] & LMP_INQ_TX_PWR)
573 hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
575 if (hdev->features[7] & LMP_EXTFEATURES) {
576 struct hci_cp_read_local_ext_features cp;
579 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
583 if (hdev->features[4] & LMP_LE)
584 hci_set_le_support(hdev);
587 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
589 struct hci_rp_read_local_version *rp = (void *) skb->data;
591 BT_DBG("%s status 0x%x", hdev->name, rp->status);
596 hdev->hci_ver = rp->hci_ver;
597 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
598 hdev->lmp_ver = rp->lmp_ver;
599 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
600 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
602 BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
604 hdev->hci_ver, hdev->hci_rev);
606 if (test_bit(HCI_INIT, &hdev->flags))
610 static void hci_setup_link_policy(struct hci_dev *hdev)
614 if (hdev->features[0] & LMP_RSWITCH)
615 link_policy |= HCI_LP_RSWITCH;
616 if (hdev->features[0] & LMP_HOLD)
617 link_policy |= HCI_LP_HOLD;
618 if (hdev->features[0] & LMP_SNIFF)
619 link_policy |= HCI_LP_SNIFF;
620 if (hdev->features[1] & LMP_PARK)
621 link_policy |= HCI_LP_PARK;
623 link_policy = cpu_to_le16(link_policy);
624 hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY,
625 sizeof(link_policy), &link_policy);
628 static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
630 struct hci_rp_read_local_commands *rp = (void *) skb->data;
632 BT_DBG("%s status 0x%x", hdev->name, rp->status);
637 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
639 if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
640 hci_setup_link_policy(hdev);
643 hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
646 static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb)
648 struct hci_rp_read_local_features *rp = (void *) skb->data;
650 BT_DBG("%s status 0x%x", hdev->name, rp->status);
655 memcpy(hdev->features, rp->features, 8);
657 /* Adjust default settings according to features
658 * supported by device. */
660 if (hdev->features[0] & LMP_3SLOT)
661 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
663 if (hdev->features[0] & LMP_5SLOT)
664 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
666 if (hdev->features[1] & LMP_HV2) {
667 hdev->pkt_type |= (HCI_HV2);
668 hdev->esco_type |= (ESCO_HV2);
671 if (hdev->features[1] & LMP_HV3) {
672 hdev->pkt_type |= (HCI_HV3);
673 hdev->esco_type |= (ESCO_HV3);
676 if (hdev->features[3] & LMP_ESCO)
677 hdev->esco_type |= (ESCO_EV3);
679 if (hdev->features[4] & LMP_EV4)
680 hdev->esco_type |= (ESCO_EV4);
682 if (hdev->features[4] & LMP_EV5)
683 hdev->esco_type |= (ESCO_EV5);
685 if (hdev->features[5] & LMP_EDR_ESCO_2M)
686 hdev->esco_type |= (ESCO_2EV3);
688 if (hdev->features[5] & LMP_EDR_ESCO_3M)
689 hdev->esco_type |= (ESCO_3EV3);
691 if (hdev->features[5] & LMP_EDR_3S_ESCO)
692 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
694 BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
695 hdev->features[0], hdev->features[1],
696 hdev->features[2], hdev->features[3],
697 hdev->features[4], hdev->features[5],
698 hdev->features[6], hdev->features[7]);
701 static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
704 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
706 BT_DBG("%s status 0x%x", hdev->name, rp->status);
711 memcpy(hdev->extfeatures, rp->features, 8);
713 hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
716 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
718 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
720 BT_DBG("%s status 0x%x", hdev->name, rp->status);
725 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
726 hdev->sco_mtu = rp->sco_mtu;
727 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
728 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
730 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
735 hdev->acl_cnt = hdev->acl_pkts;
736 hdev->sco_cnt = hdev->sco_pkts;
738 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name,
739 hdev->acl_mtu, hdev->acl_pkts,
740 hdev->sco_mtu, hdev->sco_pkts);
743 static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
745 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
747 BT_DBG("%s status 0x%x", hdev->name, rp->status);
750 bacpy(&hdev->bdaddr, &rp->bdaddr);
752 hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
755 static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
757 __u8 status = *((__u8 *) skb->data);
759 BT_DBG("%s status 0x%x", hdev->name, status);
761 hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
764 static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
767 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
769 BT_DBG("%s status 0x%x", hdev->name, rp->status);
774 hdev->amp_status = rp->amp_status;
775 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
776 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
777 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
778 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
779 hdev->amp_type = rp->amp_type;
780 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
781 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
782 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
783 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
785 hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
788 static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
791 __u8 status = *((__u8 *) skb->data);
793 BT_DBG("%s status 0x%x", hdev->name, status);
795 hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
798 static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
800 __u8 status = *((__u8 *) skb->data);
802 BT_DBG("%s status 0x%x", hdev->name, status);
804 hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
807 static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
810 __u8 status = *((__u8 *) skb->data);
812 BT_DBG("%s status 0x%x", hdev->name, status);
814 hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
817 static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
820 __u8 status = *((__u8 *) skb->data);
822 BT_DBG("%s status 0x%x", hdev->name, status);
824 hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, status);
827 static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
829 __u8 status = *((__u8 *) skb->data);
831 BT_DBG("%s status 0x%x", hdev->name, status);
833 hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
836 static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
838 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
839 struct hci_cp_pin_code_reply *cp;
840 struct hci_conn *conn;
842 BT_DBG("%s status 0x%x", hdev->name, rp->status);
846 if (test_bit(HCI_MGMT, &hdev->flags))
847 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
852 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
856 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
858 conn->pin_length = cp->pin_len;
861 hci_dev_unlock(hdev);
864 static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
866 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
868 BT_DBG("%s status 0x%x", hdev->name, rp->status);
872 if (test_bit(HCI_MGMT, &hdev->flags))
873 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
876 hci_dev_unlock(hdev);
879 static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
882 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
884 BT_DBG("%s status 0x%x", hdev->name, rp->status);
889 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
890 hdev->le_pkts = rp->le_max_pkt;
892 hdev->le_cnt = hdev->le_pkts;
894 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
896 hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
899 static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
901 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
903 BT_DBG("%s status 0x%x", hdev->name, rp->status);
907 if (test_bit(HCI_MGMT, &hdev->flags))
908 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr,
911 hci_dev_unlock(hdev);
914 static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
917 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
919 BT_DBG("%s status 0x%x", hdev->name, rp->status);
923 if (test_bit(HCI_MGMT, &hdev->flags))
924 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
927 hci_dev_unlock(hdev);
930 static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
933 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
935 BT_DBG("%s status 0x%x", hdev->name, rp->status);
938 mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
939 rp->randomizer, rp->status);
940 hci_dev_unlock(hdev);
943 static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
946 struct hci_cp_le_set_scan_enable *cp;
947 __u8 status = *((__u8 *) skb->data);
949 BT_DBG("%s status 0x%x", hdev->name, status);
954 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
958 if (cp->enable == 0x01) {
959 del_timer(&hdev->adv_timer);
962 hci_adv_entries_clear(hdev);
963 hci_dev_unlock(hdev);
964 } else if (cp->enable == 0x00) {
965 mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT);
969 static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
971 struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
973 BT_DBG("%s status 0x%x", hdev->name, rp->status);
978 hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
981 static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
983 struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
985 BT_DBG("%s status 0x%x", hdev->name, rp->status);
990 hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
993 static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
996 struct hci_cp_read_local_ext_features cp;
997 __u8 status = *((__u8 *) skb->data);
999 BT_DBG("%s status 0x%x", hdev->name, status);
1005 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), &cp);
1008 static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1010 BT_DBG("%s status 0x%x", hdev->name, status);
1013 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1014 hci_conn_check_pending(hdev);
1016 if (test_bit(HCI_MGMT, &hdev->flags))
1017 mgmt_inquiry_failed(hdev, status);
1018 hci_dev_unlock(hdev);
1022 set_bit(HCI_INQUIRY, &hdev->flags);
1025 mgmt_discovering(hdev, 1);
1026 hci_dev_unlock(hdev);
1029 static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1031 struct hci_cp_create_conn *cp;
1032 struct hci_conn *conn;
1034 BT_DBG("%s status 0x%x", hdev->name, status);
1036 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1042 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1044 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn);
1047 if (conn && conn->state == BT_CONNECT) {
1048 if (status != 0x0c || conn->attempt > 2) {
1049 conn->state = BT_CLOSED;
1050 hci_proto_connect_cfm(conn, status);
1053 conn->state = BT_CONNECT2;
1057 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
1060 conn->link_mode |= HCI_LM_MASTER;
1062 BT_ERR("No memory for new connection");
1066 hci_dev_unlock(hdev);
1069 static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1071 struct hci_cp_add_sco *cp;
1072 struct hci_conn *acl, *sco;
1075 BT_DBG("%s status 0x%x", hdev->name, status);
1080 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1084 handle = __le16_to_cpu(cp->handle);
1086 BT_DBG("%s handle %d", hdev->name, handle);
1090 acl = hci_conn_hash_lookup_handle(hdev, handle);
1094 sco->state = BT_CLOSED;
1096 hci_proto_connect_cfm(sco, status);
1101 hci_dev_unlock(hdev);
1104 static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1106 struct hci_cp_auth_requested *cp;
1107 struct hci_conn *conn;
1109 BT_DBG("%s status 0x%x", hdev->name, status);
1114 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1120 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1122 if (conn->state == BT_CONFIG) {
1123 hci_proto_connect_cfm(conn, status);
1128 hci_dev_unlock(hdev);
1131 static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1133 struct hci_cp_set_conn_encrypt *cp;
1134 struct hci_conn *conn;
1136 BT_DBG("%s status 0x%x", hdev->name, status);
1141 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1147 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1149 if (conn->state == BT_CONFIG) {
1150 hci_proto_connect_cfm(conn, status);
1155 hci_dev_unlock(hdev);
1158 static int hci_outgoing_auth_needed(struct hci_dev *hdev,
1159 struct hci_conn *conn)
1161 if (conn->state != BT_CONFIG || !conn->out)
1164 if (conn->pending_sec_level == BT_SECURITY_SDP)
1167 /* Only request authentication for SSP connections or non-SSP
1168 * devices with sec_level HIGH or if MITM protection is requested */
1169 if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) &&
1170 conn->pending_sec_level != BT_SECURITY_HIGH &&
1171 !(conn->auth_type & 0x01))
1177 static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1179 struct hci_cp_remote_name_req *cp;
1180 struct hci_conn *conn;
1182 BT_DBG("%s status 0x%x", hdev->name, status);
1184 /* If successful wait for the name req complete event before
1185 * checking for the need to do authentication */
1189 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1195 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1199 if (!hci_outgoing_auth_needed(hdev, conn))
1202 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
1203 struct hci_cp_auth_requested cp;
1204 cp.handle = __cpu_to_le16(conn->handle);
1205 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1209 hci_dev_unlock(hdev);
1212 static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1214 struct hci_cp_read_remote_features *cp;
1215 struct hci_conn *conn;
1217 BT_DBG("%s status 0x%x", hdev->name, status);
1222 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1228 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1230 if (conn->state == BT_CONFIG) {
1231 hci_proto_connect_cfm(conn, status);
1236 hci_dev_unlock(hdev);
1239 static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1241 struct hci_cp_read_remote_ext_features *cp;
1242 struct hci_conn *conn;
1244 BT_DBG("%s status 0x%x", hdev->name, status);
1249 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1255 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1257 if (conn->state == BT_CONFIG) {
1258 hci_proto_connect_cfm(conn, status);
1263 hci_dev_unlock(hdev);
1266 static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1268 struct hci_cp_setup_sync_conn *cp;
1269 struct hci_conn *acl, *sco;
1272 BT_DBG("%s status 0x%x", hdev->name, status);
1277 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1281 handle = __le16_to_cpu(cp->handle);
1283 BT_DBG("%s handle %d", hdev->name, handle);
1287 acl = hci_conn_hash_lookup_handle(hdev, handle);
1291 sco->state = BT_CLOSED;
1293 hci_proto_connect_cfm(sco, status);
1298 hci_dev_unlock(hdev);
1301 static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1303 struct hci_cp_sniff_mode *cp;
1304 struct hci_conn *conn;
1306 BT_DBG("%s status 0x%x", hdev->name, status);
1311 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1317 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1319 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
1321 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
1322 hci_sco_setup(conn, status);
1325 hci_dev_unlock(hdev);
1328 static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1330 struct hci_cp_exit_sniff_mode *cp;
1331 struct hci_conn *conn;
1333 BT_DBG("%s status 0x%x", hdev->name, status);
1338 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1344 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1346 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
1348 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
1349 hci_sco_setup(conn, status);
1352 hci_dev_unlock(hdev);
1355 static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
1357 struct hci_cp_le_create_conn *cp;
1358 struct hci_conn *conn;
1360 BT_DBG("%s status 0x%x", hdev->name, status);
1362 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1368 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1370 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->peer_addr),
1374 if (conn && conn->state == BT_CONNECT) {
1375 conn->state = BT_CLOSED;
1376 hci_proto_connect_cfm(conn, status);
1381 conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr);
1383 conn->dst_type = cp->peer_addr_type;
1386 BT_ERR("No memory for new connection");
1391 hci_dev_unlock(hdev);
1394 static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1396 BT_DBG("%s status 0x%x", hdev->name, status);
1399 static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1401 __u8 status = *((__u8 *) skb->data);
1403 BT_DBG("%s status %d", hdev->name, status);
1405 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1407 hci_conn_check_pending(hdev);
1409 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1413 mgmt_discovering(hdev, 0);
1414 hci_dev_unlock(hdev);
1417 static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1419 struct inquiry_data data;
1420 struct inquiry_info *info = (void *) (skb->data + 1);
1421 int num_rsp = *((__u8 *) skb->data);
1423 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1430 for (; num_rsp; num_rsp--, info++) {
1431 bacpy(&data.bdaddr, &info->bdaddr);
1432 data.pscan_rep_mode = info->pscan_rep_mode;
1433 data.pscan_period_mode = info->pscan_period_mode;
1434 data.pscan_mode = info->pscan_mode;
1435 memcpy(data.dev_class, info->dev_class, 3);
1436 data.clock_offset = info->clock_offset;
1438 data.ssp_mode = 0x00;
1439 hci_inquiry_cache_update(hdev, &data);
1440 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK,
1441 info->dev_class, 0, NULL);
1444 hci_dev_unlock(hdev);
1447 static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1449 struct hci_ev_conn_complete *ev = (void *) skb->data;
1450 struct hci_conn *conn;
1452 BT_DBG("%s", hdev->name);
1456 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1458 if (ev->link_type != SCO_LINK)
1461 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
1465 conn->type = SCO_LINK;
1469 conn->handle = __le16_to_cpu(ev->handle);
1471 if (conn->type == ACL_LINK) {
1472 conn->state = BT_CONFIG;
1473 hci_conn_hold(conn);
1474 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1475 mgmt_connected(hdev, &ev->bdaddr, conn->type);
1477 conn->state = BT_CONNECTED;
1479 hci_conn_hold_device(conn);
1480 hci_conn_add_sysfs(conn);
1482 if (test_bit(HCI_AUTH, &hdev->flags))
1483 conn->link_mode |= HCI_LM_AUTH;
1485 if (test_bit(HCI_ENCRYPT, &hdev->flags))
1486 conn->link_mode |= HCI_LM_ENCRYPT;
1488 /* Get remote features */
1489 if (conn->type == ACL_LINK) {
1490 struct hci_cp_read_remote_features cp;
1491 cp.handle = ev->handle;
1492 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
1496 /* Set packet type for incoming connection */
1497 if (!conn->out && hdev->hci_ver < 3) {
1498 struct hci_cp_change_conn_ptype cp;
1499 cp.handle = ev->handle;
1500 cp.pkt_type = cpu_to_le16(conn->pkt_type);
1501 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
1505 conn->state = BT_CLOSED;
1506 if (conn->type == ACL_LINK)
1507 mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
1511 if (conn->type == ACL_LINK)
1512 hci_sco_setup(conn, ev->status);
1515 hci_proto_connect_cfm(conn, ev->status);
1517 } else if (ev->link_type != ACL_LINK)
1518 hci_proto_connect_cfm(conn, ev->status);
1521 hci_dev_unlock(hdev);
1523 hci_conn_check_pending(hdev);
1526 static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1528 struct hci_ev_conn_request *ev = (void *) skb->data;
1529 int mask = hdev->link_mode;
1531 BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
1532 batostr(&ev->bdaddr), ev->link_type);
1534 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
1536 if ((mask & HCI_LM_ACCEPT) &&
1537 !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
1538 /* Connection accepted */
1539 struct inquiry_entry *ie;
1540 struct hci_conn *conn;
1544 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
1546 memcpy(ie->data.dev_class, ev->dev_class, 3);
1548 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1550 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
1552 BT_ERR("No memory for new connection");
1553 hci_dev_unlock(hdev);
1558 memcpy(conn->dev_class, ev->dev_class, 3);
1559 conn->state = BT_CONNECT;
1561 hci_dev_unlock(hdev);
1563 if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
1564 struct hci_cp_accept_conn_req cp;
1566 bacpy(&cp.bdaddr, &ev->bdaddr);
1568 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
1569 cp.role = 0x00; /* Become master */
1571 cp.role = 0x01; /* Remain slave */
1573 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ,
1576 struct hci_cp_accept_sync_conn_req cp;
1578 bacpy(&cp.bdaddr, &ev->bdaddr);
1579 cp.pkt_type = cpu_to_le16(conn->pkt_type);
1581 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
1582 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
1583 cp.max_latency = cpu_to_le16(0xffff);
1584 cp.content_format = cpu_to_le16(hdev->voice_setting);
1585 cp.retrans_effort = 0xff;
1587 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
1591 /* Connection rejected */
1592 struct hci_cp_reject_conn_req cp;
1594 bacpy(&cp.bdaddr, &ev->bdaddr);
1595 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
1596 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
1600 static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1602 struct hci_ev_disconn_complete *ev = (void *) skb->data;
1603 struct hci_conn *conn;
1605 BT_DBG("%s status %d", hdev->name, ev->status);
1609 mgmt_disconnect_failed(hdev);
1610 hci_dev_unlock(hdev);
1616 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1620 conn->state = BT_CLOSED;
1622 if (conn->type == ACL_LINK || conn->type == LE_LINK)
1623 mgmt_disconnected(hdev, &conn->dst, conn->type);
1625 hci_proto_disconn_cfm(conn, ev->reason);
1629 hci_dev_unlock(hdev);
1632 static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1634 struct hci_ev_auth_complete *ev = (void *) skb->data;
1635 struct hci_conn *conn;
1637 BT_DBG("%s status %d", hdev->name, ev->status);
1641 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1646 if (!(conn->ssp_mode > 0 && hdev->ssp_mode > 0) &&
1647 test_bit(HCI_CONN_REAUTH_PEND, &conn->pend)) {
1648 BT_INFO("re-auth of legacy device is not possible.");
1650 conn->link_mode |= HCI_LM_AUTH;
1651 conn->sec_level = conn->pending_sec_level;
1654 mgmt_auth_failed(hdev, &conn->dst, ev->status);
1657 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
1658 clear_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
1660 if (conn->state == BT_CONFIG) {
1661 if (!ev->status && hdev->ssp_mode > 0 && conn->ssp_mode > 0) {
1662 struct hci_cp_set_conn_encrypt cp;
1663 cp.handle = ev->handle;
1665 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
1668 conn->state = BT_CONNECTED;
1669 hci_proto_connect_cfm(conn, ev->status);
1673 hci_auth_cfm(conn, ev->status);
1675 hci_conn_hold(conn);
1676 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1680 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
1682 struct hci_cp_set_conn_encrypt cp;
1683 cp.handle = ev->handle;
1685 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
1688 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
1689 hci_encrypt_cfm(conn, ev->status, 0x00);
1694 hci_dev_unlock(hdev);
1697 static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1699 struct hci_ev_remote_name *ev = (void *) skb->data;
1700 struct hci_conn *conn;
1702 BT_DBG("%s", hdev->name);
1704 hci_conn_check_pending(hdev);
1708 if (ev->status == 0 && test_bit(HCI_MGMT, &hdev->flags))
1709 mgmt_remote_name(hdev, &ev->bdaddr, ev->name);
1711 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
1715 if (!hci_outgoing_auth_needed(hdev, conn))
1718 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
1719 struct hci_cp_auth_requested cp;
1720 cp.handle = __cpu_to_le16(conn->handle);
1721 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1725 hci_dev_unlock(hdev);
1728 static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1730 struct hci_ev_encrypt_change *ev = (void *) skb->data;
1731 struct hci_conn *conn;
1733 BT_DBG("%s status %d", hdev->name, ev->status);
1737 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1741 /* Encryption implies authentication */
1742 conn->link_mode |= HCI_LM_AUTH;
1743 conn->link_mode |= HCI_LM_ENCRYPT;
1744 conn->sec_level = conn->pending_sec_level;
1746 conn->link_mode &= ~HCI_LM_ENCRYPT;
1749 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
1751 if (conn->state == BT_CONFIG) {
1753 conn->state = BT_CONNECTED;
1755 hci_proto_connect_cfm(conn, ev->status);
1758 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
1761 hci_dev_unlock(hdev);
1764 static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1766 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
1767 struct hci_conn *conn;
1769 BT_DBG("%s status %d", hdev->name, ev->status);
1773 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1776 conn->link_mode |= HCI_LM_SECURE;
1778 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
1780 hci_key_change_cfm(conn, ev->status);
1783 hci_dev_unlock(hdev);
1786 static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
1788 struct hci_ev_remote_features *ev = (void *) skb->data;
1789 struct hci_conn *conn;
1791 BT_DBG("%s status %d", hdev->name, ev->status);
1795 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1800 memcpy(conn->features, ev->features, 8);
1802 if (conn->state != BT_CONFIG)
1805 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
1806 struct hci_cp_read_remote_ext_features cp;
1807 cp.handle = ev->handle;
1809 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
1815 struct hci_cp_remote_name_req cp;
1816 memset(&cp, 0, sizeof(cp));
1817 bacpy(&cp.bdaddr, &conn->dst);
1818 cp.pscan_rep_mode = 0x02;
1819 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1822 if (!hci_outgoing_auth_needed(hdev, conn)) {
1823 conn->state = BT_CONNECTED;
1824 hci_proto_connect_cfm(conn, ev->status);
1829 hci_dev_unlock(hdev);
1832 static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
1834 BT_DBG("%s", hdev->name);
1837 static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1839 BT_DBG("%s", hdev->name);
1842 static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1844 struct hci_ev_cmd_complete *ev = (void *) skb->data;
1847 skb_pull(skb, sizeof(*ev));
1849 opcode = __le16_to_cpu(ev->opcode);
1852 case HCI_OP_INQUIRY_CANCEL:
1853 hci_cc_inquiry_cancel(hdev, skb);
1856 case HCI_OP_EXIT_PERIODIC_INQ:
1857 hci_cc_exit_periodic_inq(hdev, skb);
1860 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
1861 hci_cc_remote_name_req_cancel(hdev, skb);
1864 case HCI_OP_ROLE_DISCOVERY:
1865 hci_cc_role_discovery(hdev, skb);
1868 case HCI_OP_READ_LINK_POLICY:
1869 hci_cc_read_link_policy(hdev, skb);
1872 case HCI_OP_WRITE_LINK_POLICY:
1873 hci_cc_write_link_policy(hdev, skb);
1876 case HCI_OP_READ_DEF_LINK_POLICY:
1877 hci_cc_read_def_link_policy(hdev, skb);
1880 case HCI_OP_WRITE_DEF_LINK_POLICY:
1881 hci_cc_write_def_link_policy(hdev, skb);
1885 hci_cc_reset(hdev, skb);
1888 case HCI_OP_WRITE_LOCAL_NAME:
1889 hci_cc_write_local_name(hdev, skb);
1892 case HCI_OP_READ_LOCAL_NAME:
1893 hci_cc_read_local_name(hdev, skb);
1896 case HCI_OP_WRITE_AUTH_ENABLE:
1897 hci_cc_write_auth_enable(hdev, skb);
1900 case HCI_OP_WRITE_ENCRYPT_MODE:
1901 hci_cc_write_encrypt_mode(hdev, skb);
1904 case HCI_OP_WRITE_SCAN_ENABLE:
1905 hci_cc_write_scan_enable(hdev, skb);
1908 case HCI_OP_READ_CLASS_OF_DEV:
1909 hci_cc_read_class_of_dev(hdev, skb);
1912 case HCI_OP_WRITE_CLASS_OF_DEV:
1913 hci_cc_write_class_of_dev(hdev, skb);
1916 case HCI_OP_READ_VOICE_SETTING:
1917 hci_cc_read_voice_setting(hdev, skb);
1920 case HCI_OP_WRITE_VOICE_SETTING:
1921 hci_cc_write_voice_setting(hdev, skb);
1924 case HCI_OP_HOST_BUFFER_SIZE:
1925 hci_cc_host_buffer_size(hdev, skb);
1928 case HCI_OP_READ_SSP_MODE:
1929 hci_cc_read_ssp_mode(hdev, skb);
1932 case HCI_OP_WRITE_SSP_MODE:
1933 hci_cc_write_ssp_mode(hdev, skb);
1936 case HCI_OP_READ_LOCAL_VERSION:
1937 hci_cc_read_local_version(hdev, skb);
1940 case HCI_OP_READ_LOCAL_COMMANDS:
1941 hci_cc_read_local_commands(hdev, skb);
1944 case HCI_OP_READ_LOCAL_FEATURES:
1945 hci_cc_read_local_features(hdev, skb);
1948 case HCI_OP_READ_LOCAL_EXT_FEATURES:
1949 hci_cc_read_local_ext_features(hdev, skb);
1952 case HCI_OP_READ_BUFFER_SIZE:
1953 hci_cc_read_buffer_size(hdev, skb);
1956 case HCI_OP_READ_BD_ADDR:
1957 hci_cc_read_bd_addr(hdev, skb);
1960 case HCI_OP_WRITE_CA_TIMEOUT:
1961 hci_cc_write_ca_timeout(hdev, skb);
1964 case HCI_OP_READ_LOCAL_AMP_INFO:
1965 hci_cc_read_local_amp_info(hdev, skb);
1968 case HCI_OP_DELETE_STORED_LINK_KEY:
1969 hci_cc_delete_stored_link_key(hdev, skb);
1972 case HCI_OP_SET_EVENT_MASK:
1973 hci_cc_set_event_mask(hdev, skb);
1976 case HCI_OP_WRITE_INQUIRY_MODE:
1977 hci_cc_write_inquiry_mode(hdev, skb);
1980 case HCI_OP_READ_INQ_RSP_TX_POWER:
1981 hci_cc_read_inq_rsp_tx_power(hdev, skb);
1984 case HCI_OP_SET_EVENT_FLT:
1985 hci_cc_set_event_flt(hdev, skb);
1988 case HCI_OP_PIN_CODE_REPLY:
1989 hci_cc_pin_code_reply(hdev, skb);
1992 case HCI_OP_PIN_CODE_NEG_REPLY:
1993 hci_cc_pin_code_neg_reply(hdev, skb);
1996 case HCI_OP_READ_LOCAL_OOB_DATA:
1997 hci_cc_read_local_oob_data_reply(hdev, skb);
2000 case HCI_OP_LE_READ_BUFFER_SIZE:
2001 hci_cc_le_read_buffer_size(hdev, skb);
2004 case HCI_OP_USER_CONFIRM_REPLY:
2005 hci_cc_user_confirm_reply(hdev, skb);
2008 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2009 hci_cc_user_confirm_neg_reply(hdev, skb);
2012 case HCI_OP_LE_SET_SCAN_ENABLE:
2013 hci_cc_le_set_scan_enable(hdev, skb);
2016 case HCI_OP_LE_LTK_REPLY:
2017 hci_cc_le_ltk_reply(hdev, skb);
2020 case HCI_OP_LE_LTK_NEG_REPLY:
2021 hci_cc_le_ltk_neg_reply(hdev, skb);
2024 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2025 hci_cc_write_le_host_supported(hdev, skb);
2029 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
2033 if (ev->opcode != HCI_OP_NOP)
2034 del_timer(&hdev->cmd_timer);
2037 atomic_set(&hdev->cmd_cnt, 1);
2038 if (!skb_queue_empty(&hdev->cmd_q))
2039 tasklet_schedule(&hdev->cmd_task);
2043 static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
2045 struct hci_ev_cmd_status *ev = (void *) skb->data;
2048 skb_pull(skb, sizeof(*ev));
2050 opcode = __le16_to_cpu(ev->opcode);
2053 case HCI_OP_INQUIRY:
2054 hci_cs_inquiry(hdev, ev->status);
2057 case HCI_OP_CREATE_CONN:
2058 hci_cs_create_conn(hdev, ev->status);
2061 case HCI_OP_ADD_SCO:
2062 hci_cs_add_sco(hdev, ev->status);
2065 case HCI_OP_AUTH_REQUESTED:
2066 hci_cs_auth_requested(hdev, ev->status);
2069 case HCI_OP_SET_CONN_ENCRYPT:
2070 hci_cs_set_conn_encrypt(hdev, ev->status);
2073 case HCI_OP_REMOTE_NAME_REQ:
2074 hci_cs_remote_name_req(hdev, ev->status);
2077 case HCI_OP_READ_REMOTE_FEATURES:
2078 hci_cs_read_remote_features(hdev, ev->status);
2081 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2082 hci_cs_read_remote_ext_features(hdev, ev->status);
2085 case HCI_OP_SETUP_SYNC_CONN:
2086 hci_cs_setup_sync_conn(hdev, ev->status);
2089 case HCI_OP_SNIFF_MODE:
2090 hci_cs_sniff_mode(hdev, ev->status);
2093 case HCI_OP_EXIT_SNIFF_MODE:
2094 hci_cs_exit_sniff_mode(hdev, ev->status);
2097 case HCI_OP_DISCONNECT:
2098 if (ev->status != 0)
2099 mgmt_disconnect_failed(hdev);
2102 case HCI_OP_LE_CREATE_CONN:
2103 hci_cs_le_create_conn(hdev, ev->status);
2106 case HCI_OP_LE_START_ENC:
2107 hci_cs_le_start_enc(hdev, ev->status);
2111 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
2115 if (ev->opcode != HCI_OP_NOP)
2116 del_timer(&hdev->cmd_timer);
2118 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2119 atomic_set(&hdev->cmd_cnt, 1);
2120 if (!skb_queue_empty(&hdev->cmd_q))
2121 tasklet_schedule(&hdev->cmd_task);
2125 static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2127 struct hci_ev_role_change *ev = (void *) skb->data;
2128 struct hci_conn *conn;
2130 BT_DBG("%s status %d", hdev->name, ev->status);
2134 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2138 conn->link_mode &= ~HCI_LM_MASTER;
2140 conn->link_mode |= HCI_LM_MASTER;
2143 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend);
2145 hci_role_switch_cfm(conn, ev->status, ev->role);
2148 hci_dev_unlock(hdev);
2151 static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
2153 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
2157 skb_pull(skb, sizeof(*ev));
2159 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2161 if (skb->len < ev->num_hndl * 4) {
2162 BT_DBG("%s bad parameters", hdev->name);
2166 tasklet_disable(&hdev->tx_task);
2168 for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) {
2169 struct hci_conn *conn;
2170 __u16 handle, count;
2172 handle = get_unaligned_le16(ptr++);
2173 count = get_unaligned_le16(ptr++);
2175 conn = hci_conn_hash_lookup_handle(hdev, handle);
2177 conn->sent -= count;
2179 if (conn->type == ACL_LINK) {
2180 hdev->acl_cnt += count;
2181 if (hdev->acl_cnt > hdev->acl_pkts)
2182 hdev->acl_cnt = hdev->acl_pkts;
2183 } else if (conn->type == LE_LINK) {
2184 if (hdev->le_pkts) {
2185 hdev->le_cnt += count;
2186 if (hdev->le_cnt > hdev->le_pkts)
2187 hdev->le_cnt = hdev->le_pkts;
2189 hdev->acl_cnt += count;
2190 if (hdev->acl_cnt > hdev->acl_pkts)
2191 hdev->acl_cnt = hdev->acl_pkts;
2194 hdev->sco_cnt += count;
2195 if (hdev->sco_cnt > hdev->sco_pkts)
2196 hdev->sco_cnt = hdev->sco_pkts;
2201 tasklet_schedule(&hdev->tx_task);
2203 tasklet_enable(&hdev->tx_task);
2206 static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2208 struct hci_ev_mode_change *ev = (void *) skb->data;
2209 struct hci_conn *conn;
2211 BT_DBG("%s status %d", hdev->name, ev->status);
2215 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2217 conn->mode = ev->mode;
2218 conn->interval = __le16_to_cpu(ev->interval);
2220 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
2221 if (conn->mode == HCI_CM_ACTIVE)
2222 conn->power_save = 1;
2224 conn->power_save = 0;
2227 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
2228 hci_sco_setup(conn, ev->status);
2231 hci_dev_unlock(hdev);
2234 static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2236 struct hci_ev_pin_code_req *ev = (void *) skb->data;
2237 struct hci_conn *conn;
2239 BT_DBG("%s", hdev->name);
2243 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2247 if (conn->state == BT_CONNECTED) {
2248 hci_conn_hold(conn);
2249 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2253 if (!test_bit(HCI_PAIRABLE, &hdev->flags))
2254 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
2255 sizeof(ev->bdaddr), &ev->bdaddr);
2256 else if (test_bit(HCI_MGMT, &hdev->flags)) {
2259 if (conn->pending_sec_level == BT_SECURITY_HIGH)
2264 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
2268 hci_dev_unlock(hdev);
2271 static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2273 struct hci_ev_link_key_req *ev = (void *) skb->data;
2274 struct hci_cp_link_key_reply cp;
2275 struct hci_conn *conn;
2276 struct link_key *key;
2278 BT_DBG("%s", hdev->name);
2280 if (!test_bit(HCI_LINK_KEYS, &hdev->flags))
2285 key = hci_find_link_key(hdev, &ev->bdaddr);
2287 BT_DBG("%s link key not found for %s", hdev->name,
2288 batostr(&ev->bdaddr));
2292 BT_DBG("%s found key type %u for %s", hdev->name, key->type,
2293 batostr(&ev->bdaddr));
2295 if (!test_bit(HCI_DEBUG_KEYS, &hdev->flags) &&
2296 key->type == HCI_LK_DEBUG_COMBINATION) {
2297 BT_DBG("%s ignoring debug key", hdev->name);
2301 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2303 if (key->type == HCI_LK_UNAUTH_COMBINATION &&
2304 conn->auth_type != 0xff &&
2305 (conn->auth_type & 0x01)) {
2306 BT_DBG("%s ignoring unauthenticated key", hdev->name);
2310 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
2311 conn->pending_sec_level == BT_SECURITY_HIGH) {
2312 BT_DBG("%s ignoring key unauthenticated for high \
2313 security", hdev->name);
2317 conn->key_type = key->type;
2318 conn->pin_length = key->pin_len;
2321 bacpy(&cp.bdaddr, &ev->bdaddr);
2322 memcpy(cp.link_key, key->val, 16);
2324 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
2326 hci_dev_unlock(hdev);
2331 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
2332 hci_dev_unlock(hdev);
2335 static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
2337 struct hci_ev_link_key_notify *ev = (void *) skb->data;
2338 struct hci_conn *conn;
2341 BT_DBG("%s", hdev->name);
2345 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2347 hci_conn_hold(conn);
2348 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2349 pin_len = conn->pin_length;
2351 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
2352 conn->key_type = ev->key_type;
2357 if (test_bit(HCI_LINK_KEYS, &hdev->flags))
2358 hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
2359 ev->key_type, pin_len);
2361 hci_dev_unlock(hdev);
2364 static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
2366 struct hci_ev_clock_offset *ev = (void *) skb->data;
2367 struct hci_conn *conn;
2369 BT_DBG("%s status %d", hdev->name, ev->status);
2373 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2374 if (conn && !ev->status) {
2375 struct inquiry_entry *ie;
2377 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2379 ie->data.clock_offset = ev->clock_offset;
2380 ie->timestamp = jiffies;
2384 hci_dev_unlock(hdev);
2387 static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2389 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
2390 struct hci_conn *conn;
2392 BT_DBG("%s status %d", hdev->name, ev->status);
2396 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2397 if (conn && !ev->status)
2398 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
2400 hci_dev_unlock(hdev);
2403 static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
2405 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
2406 struct inquiry_entry *ie;
2408 BT_DBG("%s", hdev->name);
2412 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2414 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
2415 ie->timestamp = jiffies;
2418 hci_dev_unlock(hdev);
2421 static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
2423 struct inquiry_data data;
2424 int num_rsp = *((__u8 *) skb->data);
2426 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2433 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
2434 struct inquiry_info_with_rssi_and_pscan_mode *info;
2435 info = (void *) (skb->data + 1);
2437 for (; num_rsp; num_rsp--, info++) {
2438 bacpy(&data.bdaddr, &info->bdaddr);
2439 data.pscan_rep_mode = info->pscan_rep_mode;
2440 data.pscan_period_mode = info->pscan_period_mode;
2441 data.pscan_mode = info->pscan_mode;
2442 memcpy(data.dev_class, info->dev_class, 3);
2443 data.clock_offset = info->clock_offset;
2444 data.rssi = info->rssi;
2445 data.ssp_mode = 0x00;
2446 hci_inquiry_cache_update(hdev, &data);
2447 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK,
2448 info->dev_class, info->rssi,
2452 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
2454 for (; num_rsp; num_rsp--, info++) {
2455 bacpy(&data.bdaddr, &info->bdaddr);
2456 data.pscan_rep_mode = info->pscan_rep_mode;
2457 data.pscan_period_mode = info->pscan_period_mode;
2458 data.pscan_mode = 0x00;
2459 memcpy(data.dev_class, info->dev_class, 3);
2460 data.clock_offset = info->clock_offset;
2461 data.rssi = info->rssi;
2462 data.ssp_mode = 0x00;
2463 hci_inquiry_cache_update(hdev, &data);
2464 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK,
2465 info->dev_class, info->rssi,
2470 hci_dev_unlock(hdev);
2473 static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
2475 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
2476 struct hci_conn *conn;
2478 BT_DBG("%s", hdev->name);
2482 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2486 if (!ev->status && ev->page == 0x01) {
2487 struct inquiry_entry *ie;
2489 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2491 ie->data.ssp_mode = (ev->features[0] & 0x01);
2493 conn->ssp_mode = (ev->features[0] & 0x01);
2496 if (conn->state != BT_CONFIG)
2500 struct hci_cp_remote_name_req cp;
2501 memset(&cp, 0, sizeof(cp));
2502 bacpy(&cp.bdaddr, &conn->dst);
2503 cp.pscan_rep_mode = 0x02;
2504 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2507 if (!hci_outgoing_auth_needed(hdev, conn)) {
2508 conn->state = BT_CONNECTED;
2509 hci_proto_connect_cfm(conn, ev->status);
2514 hci_dev_unlock(hdev);
2517 static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2519 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
2520 struct hci_conn *conn;
2522 BT_DBG("%s status %d", hdev->name, ev->status);
2526 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
2528 if (ev->link_type == ESCO_LINK)
2531 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2535 conn->type = SCO_LINK;
2538 switch (ev->status) {
2540 conn->handle = __le16_to_cpu(ev->handle);
2541 conn->state = BT_CONNECTED;
2543 hci_conn_hold_device(conn);
2544 hci_conn_add_sysfs(conn);
2547 case 0x11: /* Unsupported Feature or Parameter Value */
2548 case 0x1c: /* SCO interval rejected */
2549 case 0x1a: /* Unsupported Remote Feature */
2550 case 0x1f: /* Unspecified error */
2551 if (conn->out && conn->attempt < 2) {
2552 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
2553 (hdev->esco_type & EDR_ESCO_MASK);
2554 hci_setup_sync(conn, conn->link->handle);
2560 conn->state = BT_CLOSED;
2564 hci_proto_connect_cfm(conn, ev->status);
2569 hci_dev_unlock(hdev);
2572 static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
2574 BT_DBG("%s", hdev->name);
2577 static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
2579 struct hci_ev_sniff_subrate *ev = (void *) skb->data;
2581 BT_DBG("%s status %d", hdev->name, ev->status);
2584 static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
2586 struct inquiry_data data;
2587 struct extended_inquiry_info *info = (void *) (skb->data + 1);
2588 int num_rsp = *((__u8 *) skb->data);
2590 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2597 for (; num_rsp; num_rsp--, info++) {
2598 bacpy(&data.bdaddr, &info->bdaddr);
2599 data.pscan_rep_mode = info->pscan_rep_mode;
2600 data.pscan_period_mode = info->pscan_period_mode;
2601 data.pscan_mode = 0x00;
2602 memcpy(data.dev_class, info->dev_class, 3);
2603 data.clock_offset = info->clock_offset;
2604 data.rssi = info->rssi;
2605 data.ssp_mode = 0x01;
2606 hci_inquiry_cache_update(hdev, &data);
2607 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK,
2608 info->dev_class, info->rssi, info->data);
2611 hci_dev_unlock(hdev);
2614 static inline u8 hci_get_auth_req(struct hci_conn *conn)
2616 /* If remote requests dedicated bonding follow that lead */
2617 if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
2618 /* If both remote and local IO capabilities allow MITM
2619 * protection then require it, otherwise don't */
2620 if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
2626 /* If remote requests no-bonding follow that lead */
2627 if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
2628 return conn->remote_auth | (conn->auth_type & 0x01);
2630 return conn->auth_type;
2633 static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2635 struct hci_ev_io_capa_request *ev = (void *) skb->data;
2636 struct hci_conn *conn;
2638 BT_DBG("%s", hdev->name);
2642 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2646 hci_conn_hold(conn);
2648 if (!test_bit(HCI_MGMT, &hdev->flags))
2651 if (test_bit(HCI_PAIRABLE, &hdev->flags) ||
2652 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
2653 struct hci_cp_io_capability_reply cp;
2655 bacpy(&cp.bdaddr, &ev->bdaddr);
2656 cp.capability = conn->io_capability;
2657 conn->auth_type = hci_get_auth_req(conn);
2658 cp.authentication = conn->auth_type;
2660 if ((conn->out == 0x01 || conn->remote_oob == 0x01) &&
2661 hci_find_remote_oob_data(hdev, &conn->dst))
2666 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
2669 struct hci_cp_io_capability_neg_reply cp;
2671 bacpy(&cp.bdaddr, &ev->bdaddr);
2672 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
2674 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
2679 hci_dev_unlock(hdev);
2682 static inline void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
2684 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
2685 struct hci_conn *conn;
2687 BT_DBG("%s", hdev->name);
2691 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2695 conn->remote_cap = ev->capability;
2696 conn->remote_oob = ev->oob_data;
2697 conn->remote_auth = ev->authentication;
2700 hci_dev_unlock(hdev);
2703 static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
2704 struct sk_buff *skb)
2706 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
2707 int loc_mitm, rem_mitm, confirm_hint = 0;
2708 struct hci_conn *conn;
2710 BT_DBG("%s", hdev->name);
2714 if (!test_bit(HCI_MGMT, &hdev->flags))
2717 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2721 loc_mitm = (conn->auth_type & 0x01);
2722 rem_mitm = (conn->remote_auth & 0x01);
2724 /* If we require MITM but the remote device can't provide that
2725 * (it has NoInputNoOutput) then reject the confirmation
2726 * request. The only exception is when we're dedicated bonding
2727 * initiators (connect_cfm_cb set) since then we always have the MITM
2729 if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
2730 BT_DBG("Rejecting request: remote device can't provide MITM");
2731 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
2732 sizeof(ev->bdaddr), &ev->bdaddr);
2736 /* If no side requires MITM protection; auto-accept */
2737 if ((!loc_mitm || conn->remote_cap == 0x03) &&
2738 (!rem_mitm || conn->io_capability == 0x03)) {
2740 /* If we're not the initiators request authorization to
2741 * proceed from user space (mgmt_user_confirm with
2742 * confirm_hint set to 1). */
2743 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
2744 BT_DBG("Confirming auto-accept as acceptor");
2749 BT_DBG("Auto-accept of user confirmation with %ums delay",
2750 hdev->auto_accept_delay);
2752 if (hdev->auto_accept_delay > 0) {
2753 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
2754 mod_timer(&conn->auto_accept_timer, jiffies + delay);
2758 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
2759 sizeof(ev->bdaddr), &ev->bdaddr);
2764 mgmt_user_confirm_request(hdev, &ev->bdaddr, ev->passkey,
2768 hci_dev_unlock(hdev);
2771 static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2773 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
2774 struct hci_conn *conn;
2776 BT_DBG("%s", hdev->name);
2780 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2784 /* To avoid duplicate auth_failed events to user space we check
2785 * the HCI_CONN_AUTH_PEND flag which will be set if we
2786 * initiated the authentication. A traditional auth_complete
2787 * event gets always produced as initiator and is also mapped to
2788 * the mgmt_auth_failed event */
2789 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend) && ev->status != 0)
2790 mgmt_auth_failed(hdev, &conn->dst, ev->status);
2795 hci_dev_unlock(hdev);
2798 static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
2800 struct hci_ev_remote_host_features *ev = (void *) skb->data;
2801 struct inquiry_entry *ie;
2803 BT_DBG("%s", hdev->name);
2807 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2809 ie->data.ssp_mode = (ev->features[0] & 0x01);
2811 hci_dev_unlock(hdev);
2814 static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
2815 struct sk_buff *skb)
2817 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
2818 struct oob_data *data;
2820 BT_DBG("%s", hdev->name);
2824 if (!test_bit(HCI_MGMT, &hdev->flags))
2827 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
2829 struct hci_cp_remote_oob_data_reply cp;
2831 bacpy(&cp.bdaddr, &ev->bdaddr);
2832 memcpy(cp.hash, data->hash, sizeof(cp.hash));
2833 memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
2835 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
2838 struct hci_cp_remote_oob_data_neg_reply cp;
2840 bacpy(&cp.bdaddr, &ev->bdaddr);
2841 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
2846 hci_dev_unlock(hdev);
2849 static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2851 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
2852 struct hci_conn *conn;
2854 BT_DBG("%s status %d", hdev->name, ev->status);
2858 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &ev->bdaddr);
2860 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
2862 BT_ERR("No memory for new connection");
2863 hci_dev_unlock(hdev);
2867 conn->dst_type = ev->bdaddr_type;
2871 mgmt_connect_failed(hdev, &ev->bdaddr, conn->type, ev->status);
2872 hci_proto_connect_cfm(conn, ev->status);
2873 conn->state = BT_CLOSED;
2878 mgmt_connected(hdev, &ev->bdaddr, conn->type);
2880 conn->sec_level = BT_SECURITY_LOW;
2881 conn->handle = __le16_to_cpu(ev->handle);
2882 conn->state = BT_CONNECTED;
2884 hci_conn_hold_device(conn);
2885 hci_conn_add_sysfs(conn);
2887 hci_proto_connect_cfm(conn, ev->status);
2890 hci_dev_unlock(hdev);
2893 static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
2894 struct sk_buff *skb)
2896 u8 num_reports = skb->data[0];
2897 void *ptr = &skb->data[1];
2901 while (num_reports--) {
2902 struct hci_ev_le_advertising_info *ev = ptr;
2904 hci_add_adv_entry(hdev, ev);
2906 ptr += sizeof(*ev) + ev->length + 1;
2909 hci_dev_unlock(hdev);
2912 static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
2913 struct sk_buff *skb)
2915 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
2916 struct hci_cp_le_ltk_reply cp;
2917 struct hci_cp_le_ltk_neg_reply neg;
2918 struct hci_conn *conn;
2919 struct link_key *ltk;
2921 BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle));
2925 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2929 ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
2933 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
2934 cp.handle = cpu_to_le16(conn->handle);
2935 conn->pin_length = ltk->pin_len;
2937 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
2939 hci_dev_unlock(hdev);
2944 neg.handle = ev->handle;
2945 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
2946 hci_dev_unlock(hdev);
2949 static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
2951 struct hci_ev_le_meta *le_ev = (void *) skb->data;
2953 skb_pull(skb, sizeof(*le_ev));
2955 switch (le_ev->subevent) {
2956 case HCI_EV_LE_CONN_COMPLETE:
2957 hci_le_conn_complete_evt(hdev, skb);
2960 case HCI_EV_LE_ADVERTISING_REPORT:
2961 hci_le_adv_report_evt(hdev, skb);
2964 case HCI_EV_LE_LTK_REQ:
2965 hci_le_ltk_request_evt(hdev, skb);
2973 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
2975 struct hci_event_hdr *hdr = (void *) skb->data;
2976 __u8 event = hdr->evt;
2978 skb_pull(skb, HCI_EVENT_HDR_SIZE);
2981 case HCI_EV_INQUIRY_COMPLETE:
2982 hci_inquiry_complete_evt(hdev, skb);
2985 case HCI_EV_INQUIRY_RESULT:
2986 hci_inquiry_result_evt(hdev, skb);
2989 case HCI_EV_CONN_COMPLETE:
2990 hci_conn_complete_evt(hdev, skb);
2993 case HCI_EV_CONN_REQUEST:
2994 hci_conn_request_evt(hdev, skb);
2997 case HCI_EV_DISCONN_COMPLETE:
2998 hci_disconn_complete_evt(hdev, skb);
3001 case HCI_EV_AUTH_COMPLETE:
3002 hci_auth_complete_evt(hdev, skb);
3005 case HCI_EV_REMOTE_NAME:
3006 hci_remote_name_evt(hdev, skb);
3009 case HCI_EV_ENCRYPT_CHANGE:
3010 hci_encrypt_change_evt(hdev, skb);
3013 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
3014 hci_change_link_key_complete_evt(hdev, skb);
3017 case HCI_EV_REMOTE_FEATURES:
3018 hci_remote_features_evt(hdev, skb);
3021 case HCI_EV_REMOTE_VERSION:
3022 hci_remote_version_evt(hdev, skb);
3025 case HCI_EV_QOS_SETUP_COMPLETE:
3026 hci_qos_setup_complete_evt(hdev, skb);
3029 case HCI_EV_CMD_COMPLETE:
3030 hci_cmd_complete_evt(hdev, skb);
3033 case HCI_EV_CMD_STATUS:
3034 hci_cmd_status_evt(hdev, skb);
3037 case HCI_EV_ROLE_CHANGE:
3038 hci_role_change_evt(hdev, skb);
3041 case HCI_EV_NUM_COMP_PKTS:
3042 hci_num_comp_pkts_evt(hdev, skb);
3045 case HCI_EV_MODE_CHANGE:
3046 hci_mode_change_evt(hdev, skb);
3049 case HCI_EV_PIN_CODE_REQ:
3050 hci_pin_code_request_evt(hdev, skb);
3053 case HCI_EV_LINK_KEY_REQ:
3054 hci_link_key_request_evt(hdev, skb);
3057 case HCI_EV_LINK_KEY_NOTIFY:
3058 hci_link_key_notify_evt(hdev, skb);
3061 case HCI_EV_CLOCK_OFFSET:
3062 hci_clock_offset_evt(hdev, skb);
3065 case HCI_EV_PKT_TYPE_CHANGE:
3066 hci_pkt_type_change_evt(hdev, skb);
3069 case HCI_EV_PSCAN_REP_MODE:
3070 hci_pscan_rep_mode_evt(hdev, skb);
3073 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
3074 hci_inquiry_result_with_rssi_evt(hdev, skb);
3077 case HCI_EV_REMOTE_EXT_FEATURES:
3078 hci_remote_ext_features_evt(hdev, skb);
3081 case HCI_EV_SYNC_CONN_COMPLETE:
3082 hci_sync_conn_complete_evt(hdev, skb);
3085 case HCI_EV_SYNC_CONN_CHANGED:
3086 hci_sync_conn_changed_evt(hdev, skb);
3089 case HCI_EV_SNIFF_SUBRATE:
3090 hci_sniff_subrate_evt(hdev, skb);
3093 case HCI_EV_EXTENDED_INQUIRY_RESULT:
3094 hci_extended_inquiry_result_evt(hdev, skb);
3097 case HCI_EV_IO_CAPA_REQUEST:
3098 hci_io_capa_request_evt(hdev, skb);
3101 case HCI_EV_IO_CAPA_REPLY:
3102 hci_io_capa_reply_evt(hdev, skb);
3105 case HCI_EV_USER_CONFIRM_REQUEST:
3106 hci_user_confirm_request_evt(hdev, skb);
3109 case HCI_EV_SIMPLE_PAIR_COMPLETE:
3110 hci_simple_pair_complete_evt(hdev, skb);
3113 case HCI_EV_REMOTE_HOST_FEATURES:
3114 hci_remote_host_features_evt(hdev, skb);
3117 case HCI_EV_LE_META:
3118 hci_le_meta_evt(hdev, skb);
3121 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
3122 hci_remote_oob_data_request_evt(hdev, skb);
3126 BT_DBG("%s event 0x%x", hdev->name, event);
3131 hdev->stat.evt_rx++;
3134 /* Generate internal stack event */
3135 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
3137 struct hci_event_hdr *hdr;
3138 struct hci_ev_stack_internal *ev;
3139 struct sk_buff *skb;
3141 skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
3145 hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
3146 hdr->evt = HCI_EV_STACK_INTERNAL;
3147 hdr->plen = sizeof(*ev) + dlen;
3149 ev = (void *) skb_put(skb, sizeof(*ev) + dlen);
3151 memcpy(ev->data, data, dlen);
3153 bt_cb(skb)->incoming = 1;
3154 __net_timestamp(skb);
3156 bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
3157 skb->dev = (void *) hdev;
3158 hci_send_to_sock(hdev, skb, NULL);
3162 module_param(enable_le, bool, 0644);
3163 MODULE_PARM_DESC(enable_le, "Enable LE support");