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 <asm/unaligned.h>
29 #include <net/bluetooth/bluetooth.h>
30 #include <net/bluetooth/hci_core.h>
31 #include <net/bluetooth/mgmt.h>
37 /* Handle HCI Event packets */
39 static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
41 __u8 status = *((__u8 *) skb->data);
43 BT_DBG("%s status 0x%2.2x", hdev->name, status);
48 clear_bit(HCI_INQUIRY, &hdev->flags);
49 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
50 wake_up_bit(&hdev->flags, HCI_INQUIRY);
53 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
56 hci_conn_check_pending(hdev);
59 static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
61 __u8 status = *((__u8 *) skb->data);
63 BT_DBG("%s status 0x%2.2x", hdev->name, status);
68 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
71 static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
73 __u8 status = *((__u8 *) skb->data);
75 BT_DBG("%s status 0x%2.2x", hdev->name, status);
80 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
82 hci_conn_check_pending(hdev);
85 static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
88 BT_DBG("%s", hdev->name);
91 static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
96 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
105 conn->role = rp->role;
107 hci_dev_unlock(hdev);
110 static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
112 struct hci_rp_read_link_policy *rp = (void *) skb->data;
113 struct hci_conn *conn;
115 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
122 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
124 conn->link_policy = __le16_to_cpu(rp->policy);
126 hci_dev_unlock(hdev);
129 static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
131 struct hci_rp_write_link_policy *rp = (void *) skb->data;
132 struct hci_conn *conn;
135 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
140 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
146 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
148 conn->link_policy = get_unaligned_le16(sent + 2);
150 hci_dev_unlock(hdev);
153 static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
156 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
158 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
163 hdev->link_policy = __le16_to_cpu(rp->policy);
166 static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
169 __u8 status = *((__u8 *) skb->data);
172 BT_DBG("%s status 0x%2.2x", hdev->name, status);
177 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
181 hdev->link_policy = get_unaligned_le16(sent);
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%2.2x", hdev->name, status);
190 clear_bit(HCI_RESET, &hdev->flags);
195 /* Reset all non-persistent flags */
196 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
198 hdev->discovery.state = DISCOVERY_STOPPED;
199 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
200 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
202 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
203 hdev->adv_data_len = 0;
205 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
206 hdev->scan_rsp_data_len = 0;
208 hdev->le_scan_type = LE_SCAN_PASSIVE;
210 hdev->ssp_debug_mode = 0;
212 hci_bdaddr_list_clear(&hdev->le_white_list);
215 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
217 __u8 status = *((__u8 *) skb->data);
220 BT_DBG("%s status 0x%2.2x", hdev->name, status);
222 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
228 if (test_bit(HCI_MGMT, &hdev->dev_flags))
229 mgmt_set_local_name_complete(hdev, sent, status);
231 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
233 hci_dev_unlock(hdev);
236 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
238 struct hci_rp_read_local_name *rp = (void *) skb->data;
240 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
245 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
246 test_bit(HCI_CONFIG, &hdev->dev_flags))
247 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
250 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
252 __u8 status = *((__u8 *) skb->data);
255 BT_DBG("%s status 0x%2.2x", hdev->name, status);
257 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
264 __u8 param = *((__u8 *) sent);
266 if (param == AUTH_ENABLED)
267 set_bit(HCI_AUTH, &hdev->flags);
269 clear_bit(HCI_AUTH, &hdev->flags);
272 if (test_bit(HCI_MGMT, &hdev->dev_flags))
273 mgmt_auth_enable_complete(hdev, status);
275 hci_dev_unlock(hdev);
278 static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
280 __u8 status = *((__u8 *) skb->data);
284 BT_DBG("%s status 0x%2.2x", hdev->name, status);
289 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
293 param = *((__u8 *) sent);
296 set_bit(HCI_ENCRYPT, &hdev->flags);
298 clear_bit(HCI_ENCRYPT, &hdev->flags);
301 static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
303 __u8 status = *((__u8 *) skb->data);
307 BT_DBG("%s status 0x%2.2x", hdev->name, status);
309 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
313 param = *((__u8 *) sent);
318 hdev->discov_timeout = 0;
322 if (param & SCAN_INQUIRY)
323 set_bit(HCI_ISCAN, &hdev->flags);
325 clear_bit(HCI_ISCAN, &hdev->flags);
327 if (param & SCAN_PAGE)
328 set_bit(HCI_PSCAN, &hdev->flags);
330 clear_bit(HCI_PSCAN, &hdev->flags);
333 hci_dev_unlock(hdev);
336 static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
338 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
340 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
345 memcpy(hdev->dev_class, rp->dev_class, 3);
347 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
348 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
351 static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
353 __u8 status = *((__u8 *) skb->data);
356 BT_DBG("%s status 0x%2.2x", hdev->name, status);
358 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
365 memcpy(hdev->dev_class, sent, 3);
367 if (test_bit(HCI_MGMT, &hdev->dev_flags))
368 mgmt_set_class_of_dev_complete(hdev, sent, status);
370 hci_dev_unlock(hdev);
373 static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
375 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
378 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
383 setting = __le16_to_cpu(rp->voice_setting);
385 if (hdev->voice_setting == setting)
388 hdev->voice_setting = setting;
390 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
393 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
396 static void hci_cc_write_voice_setting(struct hci_dev *hdev,
399 __u8 status = *((__u8 *) skb->data);
403 BT_DBG("%s status 0x%2.2x", hdev->name, status);
408 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
412 setting = get_unaligned_le16(sent);
414 if (hdev->voice_setting == setting)
417 hdev->voice_setting = setting;
419 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
422 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
425 static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
428 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
430 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
435 hdev->num_iac = rp->num_iac;
437 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
440 static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
442 __u8 status = *((__u8 *) skb->data);
443 struct hci_cp_write_ssp_mode *sent;
445 BT_DBG("%s status 0x%2.2x", hdev->name, status);
447 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
455 hdev->features[1][0] |= LMP_HOST_SSP;
457 hdev->features[1][0] &= ~LMP_HOST_SSP;
460 if (test_bit(HCI_MGMT, &hdev->dev_flags))
461 mgmt_ssp_enable_complete(hdev, sent->mode, status);
464 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
466 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
469 hci_dev_unlock(hdev);
472 static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
474 u8 status = *((u8 *) skb->data);
475 struct hci_cp_write_sc_support *sent;
477 BT_DBG("%s status 0x%2.2x", hdev->name, status);
479 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
487 hdev->features[1][0] |= LMP_HOST_SC;
489 hdev->features[1][0] &= ~LMP_HOST_SC;
492 if (test_bit(HCI_MGMT, &hdev->dev_flags))
493 mgmt_sc_enable_complete(hdev, sent->support, status);
496 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
498 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
501 hci_dev_unlock(hdev);
504 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
506 struct hci_rp_read_local_version *rp = (void *) skb->data;
508 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
513 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
514 test_bit(HCI_CONFIG, &hdev->dev_flags)) {
515 hdev->hci_ver = rp->hci_ver;
516 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
517 hdev->lmp_ver = rp->lmp_ver;
518 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
519 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
523 static void hci_cc_read_local_commands(struct hci_dev *hdev,
526 struct hci_rp_read_local_commands *rp = (void *) skb->data;
528 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
533 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
534 test_bit(HCI_CONFIG, &hdev->dev_flags))
535 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
538 static void hci_cc_read_local_features(struct hci_dev *hdev,
541 struct hci_rp_read_local_features *rp = (void *) skb->data;
543 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
548 memcpy(hdev->features, rp->features, 8);
550 /* Adjust default settings according to features
551 * supported by device. */
553 if (hdev->features[0][0] & LMP_3SLOT)
554 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
556 if (hdev->features[0][0] & LMP_5SLOT)
557 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
559 if (hdev->features[0][1] & LMP_HV2) {
560 hdev->pkt_type |= (HCI_HV2);
561 hdev->esco_type |= (ESCO_HV2);
564 if (hdev->features[0][1] & LMP_HV3) {
565 hdev->pkt_type |= (HCI_HV3);
566 hdev->esco_type |= (ESCO_HV3);
569 if (lmp_esco_capable(hdev))
570 hdev->esco_type |= (ESCO_EV3);
572 if (hdev->features[0][4] & LMP_EV4)
573 hdev->esco_type |= (ESCO_EV4);
575 if (hdev->features[0][4] & LMP_EV5)
576 hdev->esco_type |= (ESCO_EV5);
578 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
579 hdev->esco_type |= (ESCO_2EV3);
581 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
582 hdev->esco_type |= (ESCO_3EV3);
584 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
585 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
588 static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
591 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
593 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
598 if (hdev->max_page < rp->max_page)
599 hdev->max_page = rp->max_page;
601 if (rp->page < HCI_MAX_PAGES)
602 memcpy(hdev->features[rp->page], rp->features, 8);
605 static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
608 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
610 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
615 hdev->flow_ctl_mode = rp->mode;
618 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
620 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
622 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
627 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
628 hdev->sco_mtu = rp->sco_mtu;
629 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
630 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
632 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
637 hdev->acl_cnt = hdev->acl_pkts;
638 hdev->sco_cnt = hdev->sco_pkts;
640 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
641 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
644 static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
646 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
648 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
653 if (test_bit(HCI_INIT, &hdev->flags))
654 bacpy(&hdev->bdaddr, &rp->bdaddr);
656 if (test_bit(HCI_SETUP, &hdev->dev_flags))
657 bacpy(&hdev->setup_addr, &rp->bdaddr);
660 static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
663 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
665 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
670 if (test_bit(HCI_INIT, &hdev->flags)) {
671 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
672 hdev->page_scan_window = __le16_to_cpu(rp->window);
676 static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
679 u8 status = *((u8 *) skb->data);
680 struct hci_cp_write_page_scan_activity *sent;
682 BT_DBG("%s status 0x%2.2x", hdev->name, status);
687 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
691 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
692 hdev->page_scan_window = __le16_to_cpu(sent->window);
695 static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
698 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
700 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
705 if (test_bit(HCI_INIT, &hdev->flags))
706 hdev->page_scan_type = rp->type;
709 static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
712 u8 status = *((u8 *) skb->data);
715 BT_DBG("%s status 0x%2.2x", hdev->name, status);
720 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
722 hdev->page_scan_type = *type;
725 static void hci_cc_read_data_block_size(struct hci_dev *hdev,
728 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
730 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
735 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
736 hdev->block_len = __le16_to_cpu(rp->block_len);
737 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
739 hdev->block_cnt = hdev->num_blocks;
741 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
742 hdev->block_cnt, hdev->block_len);
745 static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
747 struct hci_rp_read_clock *rp = (void *) skb->data;
748 struct hci_cp_read_clock *cp;
749 struct hci_conn *conn;
751 BT_DBG("%s", hdev->name);
753 if (skb->len < sizeof(*rp))
761 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
765 if (cp->which == 0x00) {
766 hdev->clock = le32_to_cpu(rp->clock);
770 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
772 conn->clock = le32_to_cpu(rp->clock);
773 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
777 hci_dev_unlock(hdev);
780 static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
783 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
785 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
790 hdev->amp_status = rp->amp_status;
791 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
792 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
793 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
794 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
795 hdev->amp_type = rp->amp_type;
796 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
797 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
798 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
799 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
802 a2mp_send_getinfo_rsp(hdev);
805 static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
808 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
809 struct amp_assoc *assoc = &hdev->loc_assoc;
810 size_t rem_len, frag_len;
812 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
817 frag_len = skb->len - sizeof(*rp);
818 rem_len = __le16_to_cpu(rp->rem_len);
820 if (rem_len > frag_len) {
821 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
823 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
824 assoc->offset += frag_len;
826 /* Read other fragments */
827 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
832 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
833 assoc->len = assoc->offset + rem_len;
837 /* Send A2MP Rsp when all fragments are received */
838 a2mp_send_getampassoc_rsp(hdev, rp->status);
839 a2mp_send_create_phy_link_req(hdev, rp->status);
842 static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
845 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
847 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
852 hdev->inq_tx_power = rp->tx_power;
855 static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
857 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
858 struct hci_cp_pin_code_reply *cp;
859 struct hci_conn *conn;
861 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
865 if (test_bit(HCI_MGMT, &hdev->dev_flags))
866 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
871 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
875 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
877 conn->pin_length = cp->pin_len;
880 hci_dev_unlock(hdev);
883 static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
885 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
887 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
891 if (test_bit(HCI_MGMT, &hdev->dev_flags))
892 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
895 hci_dev_unlock(hdev);
898 static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
901 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
903 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
908 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
909 hdev->le_pkts = rp->le_max_pkt;
911 hdev->le_cnt = hdev->le_pkts;
913 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
916 static void hci_cc_le_read_local_features(struct hci_dev *hdev,
919 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
921 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
926 memcpy(hdev->le_features, rp->features, 8);
929 static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
932 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
934 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
939 hdev->adv_tx_power = rp->tx_power;
942 static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
944 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
946 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
950 if (test_bit(HCI_MGMT, &hdev->dev_flags))
951 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
954 hci_dev_unlock(hdev);
957 static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
960 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
962 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
966 if (test_bit(HCI_MGMT, &hdev->dev_flags))
967 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
968 ACL_LINK, 0, rp->status);
970 hci_dev_unlock(hdev);
973 static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
975 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
977 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
981 if (test_bit(HCI_MGMT, &hdev->dev_flags))
982 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
985 hci_dev_unlock(hdev);
988 static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
991 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
993 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
997 if (test_bit(HCI_MGMT, &hdev->dev_flags))
998 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
999 ACL_LINK, 0, rp->status);
1001 hci_dev_unlock(hdev);
1004 static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
1005 struct sk_buff *skb)
1007 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1009 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1012 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->rand, NULL, NULL,
1014 hci_dev_unlock(hdev);
1017 static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1018 struct sk_buff *skb)
1020 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1022 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1025 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->rand192,
1026 rp->hash256, rp->rand256,
1028 hci_dev_unlock(hdev);
1032 static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1034 __u8 status = *((__u8 *) skb->data);
1037 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1042 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1048 bacpy(&hdev->random_addr, sent);
1050 hci_dev_unlock(hdev);
1053 static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1055 __u8 *sent, status = *((__u8 *) skb->data);
1057 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1062 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1068 /* If we're doing connection initiation as peripheral. Set a
1069 * timeout in case something goes wrong.
1072 struct hci_conn *conn;
1074 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1076 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1078 queue_delayed_work(hdev->workqueue,
1079 &conn->le_conn_timeout,
1080 conn->conn_timeout);
1082 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
1085 hci_dev_unlock(hdev);
1088 static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1090 struct hci_cp_le_set_scan_param *cp;
1091 __u8 status = *((__u8 *) skb->data);
1093 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1098 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1104 hdev->le_scan_type = cp->type;
1106 hci_dev_unlock(hdev);
1109 static bool has_pending_adv_report(struct hci_dev *hdev)
1111 struct discovery_state *d = &hdev->discovery;
1113 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1116 static void clear_pending_adv_report(struct hci_dev *hdev)
1118 struct discovery_state *d = &hdev->discovery;
1120 bacpy(&d->last_adv_addr, BDADDR_ANY);
1121 d->last_adv_data_len = 0;
1124 static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
1125 u8 bdaddr_type, s8 rssi, u32 flags,
1128 struct discovery_state *d = &hdev->discovery;
1130 bacpy(&d->last_adv_addr, bdaddr);
1131 d->last_adv_addr_type = bdaddr_type;
1132 d->last_adv_rssi = rssi;
1133 d->last_adv_flags = flags;
1134 memcpy(d->last_adv_data, data, len);
1135 d->last_adv_data_len = len;
1138 static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
1139 struct sk_buff *skb)
1141 struct hci_cp_le_set_scan_enable *cp;
1142 __u8 status = *((__u8 *) skb->data);
1144 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1149 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1155 switch (cp->enable) {
1156 case LE_SCAN_ENABLE:
1157 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
1158 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1159 clear_pending_adv_report(hdev);
1162 case LE_SCAN_DISABLE:
1163 /* We do this here instead of when setting DISCOVERY_STOPPED
1164 * since the latter would potentially require waiting for
1165 * inquiry to stop too.
1167 if (has_pending_adv_report(hdev)) {
1168 struct discovery_state *d = &hdev->discovery;
1170 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
1171 d->last_adv_addr_type, NULL,
1172 d->last_adv_rssi, d->last_adv_flags,
1174 d->last_adv_data_len, NULL, 0);
1177 /* Cancel this timer so that we don't try to disable scanning
1178 * when it's already disabled.
1180 cancel_delayed_work(&hdev->le_scan_disable);
1182 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
1184 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1185 * interrupted scanning due to a connect request. Mark
1186 * therefore discovery as stopped. If this was not
1187 * because of a connect request advertising might have
1188 * been disabled because of active scanning, so
1189 * re-enable it again if necessary.
1191 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1193 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1194 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
1195 hdev->discovery.state == DISCOVERY_FINDING)
1196 mgmt_reenable_advertising(hdev);
1201 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1205 hci_dev_unlock(hdev);
1208 static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1209 struct sk_buff *skb)
1211 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1213 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1218 hdev->le_white_list_size = rp->size;
1221 static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1222 struct sk_buff *skb)
1224 __u8 status = *((__u8 *) skb->data);
1226 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1231 hci_bdaddr_list_clear(&hdev->le_white_list);
1234 static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1235 struct sk_buff *skb)
1237 struct hci_cp_le_add_to_white_list *sent;
1238 __u8 status = *((__u8 *) skb->data);
1240 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1245 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1249 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1253 static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1254 struct sk_buff *skb)
1256 struct hci_cp_le_del_from_white_list *sent;
1257 __u8 status = *((__u8 *) skb->data);
1259 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1264 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1268 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1272 static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1273 struct sk_buff *skb)
1275 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1277 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1282 memcpy(hdev->le_states, rp->le_states, 8);
1285 static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1286 struct sk_buff *skb)
1288 struct hci_cp_write_le_host_supported *sent;
1289 __u8 status = *((__u8 *) skb->data);
1291 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1296 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
1303 hdev->features[1][0] |= LMP_HOST_LE;
1304 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1306 hdev->features[1][0] &= ~LMP_HOST_LE;
1307 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1308 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
1312 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1314 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
1316 hci_dev_unlock(hdev);
1319 static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1321 struct hci_cp_le_set_adv_param *cp;
1322 u8 status = *((u8 *) skb->data);
1324 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1329 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1334 hdev->adv_addr_type = cp->own_address_type;
1335 hci_dev_unlock(hdev);
1338 static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1339 struct sk_buff *skb)
1341 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1343 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1344 hdev->name, rp->status, rp->phy_handle);
1349 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1352 static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1354 struct hci_rp_read_rssi *rp = (void *) skb->data;
1355 struct hci_conn *conn;
1357 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1364 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1366 conn->rssi = rp->rssi;
1368 hci_dev_unlock(hdev);
1371 static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1373 struct hci_cp_read_tx_power *sent;
1374 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1375 struct hci_conn *conn;
1377 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1382 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1388 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1392 switch (sent->type) {
1394 conn->tx_power = rp->tx_power;
1397 conn->max_tx_power = rp->tx_power;
1402 hci_dev_unlock(hdev);
1405 static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1407 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1410 hci_conn_check_pending(hdev);
1414 set_bit(HCI_INQUIRY, &hdev->flags);
1417 static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1419 struct hci_cp_create_conn *cp;
1420 struct hci_conn *conn;
1422 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1424 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1430 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1432 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1435 if (conn && conn->state == BT_CONNECT) {
1436 if (status != 0x0c || conn->attempt > 2) {
1437 conn->state = BT_CLOSED;
1438 hci_proto_connect_cfm(conn, status);
1441 conn->state = BT_CONNECT2;
1445 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1448 BT_ERR("No memory for new connection");
1452 hci_dev_unlock(hdev);
1455 static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1457 struct hci_cp_add_sco *cp;
1458 struct hci_conn *acl, *sco;
1461 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1466 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1470 handle = __le16_to_cpu(cp->handle);
1472 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1476 acl = hci_conn_hash_lookup_handle(hdev, handle);
1480 sco->state = BT_CLOSED;
1482 hci_proto_connect_cfm(sco, status);
1487 hci_dev_unlock(hdev);
1490 static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1492 struct hci_cp_auth_requested *cp;
1493 struct hci_conn *conn;
1495 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1500 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1506 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1508 if (conn->state == BT_CONFIG) {
1509 hci_proto_connect_cfm(conn, status);
1510 hci_conn_drop(conn);
1514 hci_dev_unlock(hdev);
1517 static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1519 struct hci_cp_set_conn_encrypt *cp;
1520 struct hci_conn *conn;
1522 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1527 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1533 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1535 if (conn->state == BT_CONFIG) {
1536 hci_proto_connect_cfm(conn, status);
1537 hci_conn_drop(conn);
1541 hci_dev_unlock(hdev);
1544 static int hci_outgoing_auth_needed(struct hci_dev *hdev,
1545 struct hci_conn *conn)
1547 if (conn->state != BT_CONFIG || !conn->out)
1550 if (conn->pending_sec_level == BT_SECURITY_SDP)
1553 /* Only request authentication for SSP connections or non-SSP
1554 * devices with sec_level MEDIUM or HIGH or if MITM protection
1557 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
1558 conn->pending_sec_level != BT_SECURITY_FIPS &&
1559 conn->pending_sec_level != BT_SECURITY_HIGH &&
1560 conn->pending_sec_level != BT_SECURITY_MEDIUM)
1566 static int hci_resolve_name(struct hci_dev *hdev,
1567 struct inquiry_entry *e)
1569 struct hci_cp_remote_name_req cp;
1571 memset(&cp, 0, sizeof(cp));
1573 bacpy(&cp.bdaddr, &e->data.bdaddr);
1574 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1575 cp.pscan_mode = e->data.pscan_mode;
1576 cp.clock_offset = e->data.clock_offset;
1578 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1581 static bool hci_resolve_next_name(struct hci_dev *hdev)
1583 struct discovery_state *discov = &hdev->discovery;
1584 struct inquiry_entry *e;
1586 if (list_empty(&discov->resolve))
1589 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1593 if (hci_resolve_name(hdev, e) == 0) {
1594 e->name_state = NAME_PENDING;
1601 static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
1602 bdaddr_t *bdaddr, u8 *name, u8 name_len)
1604 struct discovery_state *discov = &hdev->discovery;
1605 struct inquiry_entry *e;
1607 /* Update the mgmt connected state if necessary. Be careful with
1608 * conn objects that exist but are not (yet) connected however.
1609 * Only those in BT_CONFIG or BT_CONNECTED states can be
1610 * considered connected.
1613 (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) &&
1614 !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
1615 mgmt_device_connected(hdev, conn, 0, name, name_len);
1617 if (discov->state == DISCOVERY_STOPPED)
1620 if (discov->state == DISCOVERY_STOPPING)
1621 goto discov_complete;
1623 if (discov->state != DISCOVERY_RESOLVING)
1626 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
1627 /* If the device was not found in a list of found devices names of which
1628 * are pending. there is no need to continue resolving a next name as it
1629 * will be done upon receiving another Remote Name Request Complete
1636 e->name_state = NAME_KNOWN;
1637 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1638 e->data.rssi, name, name_len);
1640 e->name_state = NAME_NOT_KNOWN;
1643 if (hci_resolve_next_name(hdev))
1647 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1650 static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1652 struct hci_cp_remote_name_req *cp;
1653 struct hci_conn *conn;
1655 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1657 /* If successful wait for the name req complete event before
1658 * checking for the need to do authentication */
1662 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1668 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1670 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1671 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
1676 if (!hci_outgoing_auth_needed(hdev, conn))
1679 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1680 struct hci_cp_auth_requested auth_cp;
1682 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1684 auth_cp.handle = __cpu_to_le16(conn->handle);
1685 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1686 sizeof(auth_cp), &auth_cp);
1690 hci_dev_unlock(hdev);
1693 static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1695 struct hci_cp_read_remote_features *cp;
1696 struct hci_conn *conn;
1698 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1703 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1709 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1711 if (conn->state == BT_CONFIG) {
1712 hci_proto_connect_cfm(conn, status);
1713 hci_conn_drop(conn);
1717 hci_dev_unlock(hdev);
1720 static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1722 struct hci_cp_read_remote_ext_features *cp;
1723 struct hci_conn *conn;
1725 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1730 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1736 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1738 if (conn->state == BT_CONFIG) {
1739 hci_proto_connect_cfm(conn, status);
1740 hci_conn_drop(conn);
1744 hci_dev_unlock(hdev);
1747 static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1749 struct hci_cp_setup_sync_conn *cp;
1750 struct hci_conn *acl, *sco;
1753 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1758 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1762 handle = __le16_to_cpu(cp->handle);
1764 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1768 acl = hci_conn_hash_lookup_handle(hdev, handle);
1772 sco->state = BT_CLOSED;
1774 hci_proto_connect_cfm(sco, status);
1779 hci_dev_unlock(hdev);
1782 static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1784 struct hci_cp_sniff_mode *cp;
1785 struct hci_conn *conn;
1787 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1792 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1798 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1800 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1802 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1803 hci_sco_setup(conn, status);
1806 hci_dev_unlock(hdev);
1809 static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1811 struct hci_cp_exit_sniff_mode *cp;
1812 struct hci_conn *conn;
1814 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1819 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1825 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1827 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1829 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1830 hci_sco_setup(conn, status);
1833 hci_dev_unlock(hdev);
1836 static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1838 struct hci_cp_disconnect *cp;
1839 struct hci_conn *conn;
1844 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1850 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1852 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
1853 conn->dst_type, status);
1855 hci_dev_unlock(hdev);
1858 static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1860 struct hci_cp_create_phy_link *cp;
1862 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1864 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1871 struct hci_conn *hcon;
1873 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1877 amp_write_remote_assoc(hdev, cp->phy_handle);
1880 hci_dev_unlock(hdev);
1883 static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1885 struct hci_cp_accept_phy_link *cp;
1887 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1892 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1896 amp_write_remote_assoc(hdev, cp->phy_handle);
1899 static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1901 struct hci_cp_le_create_conn *cp;
1902 struct hci_conn *conn;
1904 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1906 /* All connection failure handling is taken care of by the
1907 * hci_le_conn_failed function which is triggered by the HCI
1908 * request completion callbacks used for connecting.
1913 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1919 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1923 /* Store the initiator and responder address information which
1924 * is needed for SMP. These values will not change during the
1925 * lifetime of the connection.
1927 conn->init_addr_type = cp->own_address_type;
1928 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1929 bacpy(&conn->init_addr, &hdev->random_addr);
1931 bacpy(&conn->init_addr, &hdev->bdaddr);
1933 conn->resp_addr_type = cp->peer_addr_type;
1934 bacpy(&conn->resp_addr, &cp->peer_addr);
1936 /* We don't want the connection attempt to stick around
1937 * indefinitely since LE doesn't have a page timeout concept
1938 * like BR/EDR. Set a timer for any connection that doesn't use
1939 * the white list for connecting.
1941 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1942 queue_delayed_work(conn->hdev->workqueue,
1943 &conn->le_conn_timeout,
1944 conn->conn_timeout);
1947 hci_dev_unlock(hdev);
1950 static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1952 struct hci_cp_le_start_enc *cp;
1953 struct hci_conn *conn;
1955 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1962 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1966 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1970 if (conn->state != BT_CONNECTED)
1973 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1974 hci_conn_drop(conn);
1977 hci_dev_unlock(hdev);
1980 static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
1982 struct hci_cp_switch_role *cp;
1983 struct hci_conn *conn;
1985 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1990 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
1996 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1998 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2000 hci_dev_unlock(hdev);
2003 static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2005 __u8 status = *((__u8 *) skb->data);
2006 struct discovery_state *discov = &hdev->discovery;
2007 struct inquiry_entry *e;
2009 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2011 hci_conn_check_pending(hdev);
2013 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
2016 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
2017 wake_up_bit(&hdev->flags, HCI_INQUIRY);
2019 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2024 if (discov->state != DISCOVERY_FINDING)
2027 if (list_empty(&discov->resolve)) {
2028 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2032 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2033 if (e && hci_resolve_name(hdev, e) == 0) {
2034 e->name_state = NAME_PENDING;
2035 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2037 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2041 hci_dev_unlock(hdev);
2044 static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
2046 struct inquiry_data data;
2047 struct inquiry_info *info = (void *) (skb->data + 1);
2048 int num_rsp = *((__u8 *) skb->data);
2050 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2055 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2060 for (; num_rsp; num_rsp--, info++) {
2063 bacpy(&data.bdaddr, &info->bdaddr);
2064 data.pscan_rep_mode = info->pscan_rep_mode;
2065 data.pscan_period_mode = info->pscan_period_mode;
2066 data.pscan_mode = info->pscan_mode;
2067 memcpy(data.dev_class, info->dev_class, 3);
2068 data.clock_offset = info->clock_offset;
2069 data.rssi = HCI_RSSI_INVALID;
2070 data.ssp_mode = 0x00;
2072 flags = hci_inquiry_cache_update(hdev, &data, false);
2074 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2075 info->dev_class, HCI_RSSI_INVALID,
2076 flags, NULL, 0, NULL, 0);
2079 hci_dev_unlock(hdev);
2082 static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2084 struct hci_ev_conn_complete *ev = (void *) skb->data;
2085 struct hci_conn *conn;
2087 BT_DBG("%s", hdev->name);
2091 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
2093 if (ev->link_type != SCO_LINK)
2096 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2100 conn->type = SCO_LINK;
2104 conn->handle = __le16_to_cpu(ev->handle);
2106 if (conn->type == ACL_LINK) {
2107 conn->state = BT_CONFIG;
2108 hci_conn_hold(conn);
2110 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2111 !hci_find_link_key(hdev, &ev->bdaddr))
2112 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2114 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2116 conn->state = BT_CONNECTED;
2118 hci_conn_add_sysfs(conn);
2120 if (test_bit(HCI_AUTH, &hdev->flags))
2121 set_bit(HCI_CONN_AUTH, &conn->flags);
2123 if (test_bit(HCI_ENCRYPT, &hdev->flags))
2124 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
2126 /* Get remote features */
2127 if (conn->type == ACL_LINK) {
2128 struct hci_cp_read_remote_features cp;
2129 cp.handle = ev->handle;
2130 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
2133 hci_update_page_scan(hdev, NULL);
2136 /* Set packet type for incoming connection */
2137 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
2138 struct hci_cp_change_conn_ptype cp;
2139 cp.handle = ev->handle;
2140 cp.pkt_type = cpu_to_le16(conn->pkt_type);
2141 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2145 conn->state = BT_CLOSED;
2146 if (conn->type == ACL_LINK)
2147 mgmt_connect_failed(hdev, &conn->dst, conn->type,
2148 conn->dst_type, ev->status);
2151 if (conn->type == ACL_LINK)
2152 hci_sco_setup(conn, ev->status);
2155 hci_proto_connect_cfm(conn, ev->status);
2157 } else if (ev->link_type != ACL_LINK)
2158 hci_proto_connect_cfm(conn, ev->status);
2161 hci_dev_unlock(hdev);
2163 hci_conn_check_pending(hdev);
2166 static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2168 struct hci_cp_reject_conn_req cp;
2170 bacpy(&cp.bdaddr, bdaddr);
2171 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2172 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2175 static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2177 struct hci_ev_conn_request *ev = (void *) skb->data;
2178 int mask = hdev->link_mode;
2179 struct inquiry_entry *ie;
2180 struct hci_conn *conn;
2183 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
2186 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2189 if (!(mask & HCI_LM_ACCEPT)) {
2190 hci_reject_conn(hdev, &ev->bdaddr);
2194 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2196 hci_reject_conn(hdev, &ev->bdaddr);
2200 /* Require HCI_CONNECTABLE or a whitelist entry to accept the
2201 * connection. These features are only touched through mgmt so
2202 * only do the checks if HCI_MGMT is set.
2204 if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
2205 !test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2206 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2208 hci_reject_conn(hdev, &ev->bdaddr);
2212 /* Connection accepted */
2216 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2218 memcpy(ie->data.dev_class, ev->dev_class, 3);
2220 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2223 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2226 BT_ERR("No memory for new connection");
2227 hci_dev_unlock(hdev);
2232 memcpy(conn->dev_class, ev->dev_class, 3);
2234 hci_dev_unlock(hdev);
2236 if (ev->link_type == ACL_LINK ||
2237 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2238 struct hci_cp_accept_conn_req cp;
2239 conn->state = BT_CONNECT;
2241 bacpy(&cp.bdaddr, &ev->bdaddr);
2243 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2244 cp.role = 0x00; /* Become master */
2246 cp.role = 0x01; /* Remain slave */
2248 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2249 } else if (!(flags & HCI_PROTO_DEFER)) {
2250 struct hci_cp_accept_sync_conn_req cp;
2251 conn->state = BT_CONNECT;
2253 bacpy(&cp.bdaddr, &ev->bdaddr);
2254 cp.pkt_type = cpu_to_le16(conn->pkt_type);
2256 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2257 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2258 cp.max_latency = cpu_to_le16(0xffff);
2259 cp.content_format = cpu_to_le16(hdev->voice_setting);
2260 cp.retrans_effort = 0xff;
2262 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2265 conn->state = BT_CONNECT2;
2266 hci_proto_connect_cfm(conn, 0);
2270 static u8 hci_to_mgmt_reason(u8 err)
2273 case HCI_ERROR_CONNECTION_TIMEOUT:
2274 return MGMT_DEV_DISCONN_TIMEOUT;
2275 case HCI_ERROR_REMOTE_USER_TERM:
2276 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2277 case HCI_ERROR_REMOTE_POWER_OFF:
2278 return MGMT_DEV_DISCONN_REMOTE;
2279 case HCI_ERROR_LOCAL_HOST_TERM:
2280 return MGMT_DEV_DISCONN_LOCAL_HOST;
2282 return MGMT_DEV_DISCONN_UNKNOWN;
2286 static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2288 struct hci_ev_disconn_complete *ev = (void *) skb->data;
2289 u8 reason = hci_to_mgmt_reason(ev->reason);
2290 struct hci_conn_params *params;
2291 struct hci_conn *conn;
2292 bool mgmt_connected;
2295 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2299 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2304 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2305 conn->dst_type, ev->status);
2309 conn->state = BT_CLOSED;
2311 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2312 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2313 reason, mgmt_connected);
2315 if (conn->type == ACL_LINK) {
2316 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2317 hci_remove_link_key(hdev, &conn->dst);
2319 hci_update_page_scan(hdev, NULL);
2322 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2324 switch (params->auto_connect) {
2325 case HCI_AUTO_CONN_LINK_LOSS:
2326 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2330 case HCI_AUTO_CONN_DIRECT:
2331 case HCI_AUTO_CONN_ALWAYS:
2332 list_del_init(¶ms->action);
2333 list_add(¶ms->action, &hdev->pend_le_conns);
2334 hci_update_background_scan(hdev);
2344 hci_proto_disconn_cfm(conn, ev->reason);
2347 /* Re-enable advertising if necessary, since it might
2348 * have been disabled by the connection. From the
2349 * HCI_LE_Set_Advertise_Enable command description in
2350 * the core specification (v4.0):
2351 * "The Controller shall continue advertising until the Host
2352 * issues an LE_Set_Advertise_Enable command with
2353 * Advertising_Enable set to 0x00 (Advertising is disabled)
2354 * or until a connection is created or until the Advertising
2355 * is timed out due to Directed Advertising."
2357 if (type == LE_LINK)
2358 mgmt_reenable_advertising(hdev);
2361 hci_dev_unlock(hdev);
2364 static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2366 struct hci_ev_auth_complete *ev = (void *) skb->data;
2367 struct hci_conn *conn;
2369 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2373 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2378 if (!hci_conn_ssp_enabled(conn) &&
2379 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
2380 BT_INFO("re-auth of legacy device is not possible.");
2382 set_bit(HCI_CONN_AUTH, &conn->flags);
2383 conn->sec_level = conn->pending_sec_level;
2386 mgmt_auth_failed(conn, ev->status);
2389 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2390 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
2392 if (conn->state == BT_CONFIG) {
2393 if (!ev->status && hci_conn_ssp_enabled(conn)) {
2394 struct hci_cp_set_conn_encrypt cp;
2395 cp.handle = ev->handle;
2397 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2400 conn->state = BT_CONNECTED;
2401 hci_proto_connect_cfm(conn, ev->status);
2402 hci_conn_drop(conn);
2405 hci_auth_cfm(conn, ev->status);
2407 hci_conn_hold(conn);
2408 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2409 hci_conn_drop(conn);
2412 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
2414 struct hci_cp_set_conn_encrypt cp;
2415 cp.handle = ev->handle;
2417 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2420 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2421 hci_encrypt_cfm(conn, ev->status, 0x00);
2426 hci_dev_unlock(hdev);
2429 static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
2431 struct hci_ev_remote_name *ev = (void *) skb->data;
2432 struct hci_conn *conn;
2434 BT_DBG("%s", hdev->name);
2436 hci_conn_check_pending(hdev);
2440 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2442 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2445 if (ev->status == 0)
2446 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
2447 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
2449 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2455 if (!hci_outgoing_auth_needed(hdev, conn))
2458 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
2459 struct hci_cp_auth_requested cp;
2461 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2463 cp.handle = __cpu_to_le16(conn->handle);
2464 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2468 hci_dev_unlock(hdev);
2471 static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2473 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2474 struct hci_conn *conn;
2476 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2480 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2486 /* Encryption implies authentication */
2487 set_bit(HCI_CONN_AUTH, &conn->flags);
2488 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
2489 conn->sec_level = conn->pending_sec_level;
2491 /* P-256 authentication key implies FIPS */
2492 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
2493 set_bit(HCI_CONN_FIPS, &conn->flags);
2495 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2496 conn->type == LE_LINK)
2497 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2499 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
2500 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2504 /* We should disregard the current RPA and generate a new one
2505 * whenever the encryption procedure fails.
2507 if (ev->status && conn->type == LE_LINK)
2508 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
2510 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2512 if (ev->status && conn->state == BT_CONNECTED) {
2513 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2514 hci_conn_drop(conn);
2518 if (conn->state == BT_CONFIG) {
2520 conn->state = BT_CONNECTED;
2522 /* In Secure Connections Only mode, do not allow any
2523 * connections that are not encrypted with AES-CCM
2524 * using a P-256 authenticated combination key.
2526 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2527 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2528 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2529 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2530 hci_conn_drop(conn);
2534 hci_proto_connect_cfm(conn, ev->status);
2535 hci_conn_drop(conn);
2537 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2540 hci_dev_unlock(hdev);
2543 static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2544 struct sk_buff *skb)
2546 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
2547 struct hci_conn *conn;
2549 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2553 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2556 set_bit(HCI_CONN_SECURE, &conn->flags);
2558 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2560 hci_key_change_cfm(conn, ev->status);
2563 hci_dev_unlock(hdev);
2566 static void hci_remote_features_evt(struct hci_dev *hdev,
2567 struct sk_buff *skb)
2569 struct hci_ev_remote_features *ev = (void *) skb->data;
2570 struct hci_conn *conn;
2572 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2576 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2581 memcpy(conn->features[0], ev->features, 8);
2583 if (conn->state != BT_CONFIG)
2586 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2587 struct hci_cp_read_remote_ext_features cp;
2588 cp.handle = ev->handle;
2590 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
2595 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2596 struct hci_cp_remote_name_req cp;
2597 memset(&cp, 0, sizeof(cp));
2598 bacpy(&cp.bdaddr, &conn->dst);
2599 cp.pscan_rep_mode = 0x02;
2600 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2601 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2602 mgmt_device_connected(hdev, conn, 0, NULL, 0);
2604 if (!hci_outgoing_auth_needed(hdev, conn)) {
2605 conn->state = BT_CONNECTED;
2606 hci_proto_connect_cfm(conn, ev->status);
2607 hci_conn_drop(conn);
2611 hci_dev_unlock(hdev);
2614 static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2616 struct hci_ev_cmd_complete *ev = (void *) skb->data;
2617 u8 status = skb->data[sizeof(*ev)];
2620 skb_pull(skb, sizeof(*ev));
2622 opcode = __le16_to_cpu(ev->opcode);
2625 case HCI_OP_INQUIRY_CANCEL:
2626 hci_cc_inquiry_cancel(hdev, skb);
2629 case HCI_OP_PERIODIC_INQ:
2630 hci_cc_periodic_inq(hdev, skb);
2633 case HCI_OP_EXIT_PERIODIC_INQ:
2634 hci_cc_exit_periodic_inq(hdev, skb);
2637 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2638 hci_cc_remote_name_req_cancel(hdev, skb);
2641 case HCI_OP_ROLE_DISCOVERY:
2642 hci_cc_role_discovery(hdev, skb);
2645 case HCI_OP_READ_LINK_POLICY:
2646 hci_cc_read_link_policy(hdev, skb);
2649 case HCI_OP_WRITE_LINK_POLICY:
2650 hci_cc_write_link_policy(hdev, skb);
2653 case HCI_OP_READ_DEF_LINK_POLICY:
2654 hci_cc_read_def_link_policy(hdev, skb);
2657 case HCI_OP_WRITE_DEF_LINK_POLICY:
2658 hci_cc_write_def_link_policy(hdev, skb);
2662 hci_cc_reset(hdev, skb);
2665 case HCI_OP_WRITE_LOCAL_NAME:
2666 hci_cc_write_local_name(hdev, skb);
2669 case HCI_OP_READ_LOCAL_NAME:
2670 hci_cc_read_local_name(hdev, skb);
2673 case HCI_OP_WRITE_AUTH_ENABLE:
2674 hci_cc_write_auth_enable(hdev, skb);
2677 case HCI_OP_WRITE_ENCRYPT_MODE:
2678 hci_cc_write_encrypt_mode(hdev, skb);
2681 case HCI_OP_WRITE_SCAN_ENABLE:
2682 hci_cc_write_scan_enable(hdev, skb);
2685 case HCI_OP_READ_CLASS_OF_DEV:
2686 hci_cc_read_class_of_dev(hdev, skb);
2689 case HCI_OP_WRITE_CLASS_OF_DEV:
2690 hci_cc_write_class_of_dev(hdev, skb);
2693 case HCI_OP_READ_VOICE_SETTING:
2694 hci_cc_read_voice_setting(hdev, skb);
2697 case HCI_OP_WRITE_VOICE_SETTING:
2698 hci_cc_write_voice_setting(hdev, skb);
2701 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2702 hci_cc_read_num_supported_iac(hdev, skb);
2705 case HCI_OP_WRITE_SSP_MODE:
2706 hci_cc_write_ssp_mode(hdev, skb);
2709 case HCI_OP_WRITE_SC_SUPPORT:
2710 hci_cc_write_sc_support(hdev, skb);
2713 case HCI_OP_READ_LOCAL_VERSION:
2714 hci_cc_read_local_version(hdev, skb);
2717 case HCI_OP_READ_LOCAL_COMMANDS:
2718 hci_cc_read_local_commands(hdev, skb);
2721 case HCI_OP_READ_LOCAL_FEATURES:
2722 hci_cc_read_local_features(hdev, skb);
2725 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2726 hci_cc_read_local_ext_features(hdev, skb);
2729 case HCI_OP_READ_BUFFER_SIZE:
2730 hci_cc_read_buffer_size(hdev, skb);
2733 case HCI_OP_READ_BD_ADDR:
2734 hci_cc_read_bd_addr(hdev, skb);
2737 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2738 hci_cc_read_page_scan_activity(hdev, skb);
2741 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2742 hci_cc_write_page_scan_activity(hdev, skb);
2745 case HCI_OP_READ_PAGE_SCAN_TYPE:
2746 hci_cc_read_page_scan_type(hdev, skb);
2749 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2750 hci_cc_write_page_scan_type(hdev, skb);
2753 case HCI_OP_READ_DATA_BLOCK_SIZE:
2754 hci_cc_read_data_block_size(hdev, skb);
2757 case HCI_OP_READ_FLOW_CONTROL_MODE:
2758 hci_cc_read_flow_control_mode(hdev, skb);
2761 case HCI_OP_READ_LOCAL_AMP_INFO:
2762 hci_cc_read_local_amp_info(hdev, skb);
2765 case HCI_OP_READ_CLOCK:
2766 hci_cc_read_clock(hdev, skb);
2769 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2770 hci_cc_read_local_amp_assoc(hdev, skb);
2773 case HCI_OP_READ_INQ_RSP_TX_POWER:
2774 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2777 case HCI_OP_PIN_CODE_REPLY:
2778 hci_cc_pin_code_reply(hdev, skb);
2781 case HCI_OP_PIN_CODE_NEG_REPLY:
2782 hci_cc_pin_code_neg_reply(hdev, skb);
2785 case HCI_OP_READ_LOCAL_OOB_DATA:
2786 hci_cc_read_local_oob_data(hdev, skb);
2789 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2790 hci_cc_read_local_oob_ext_data(hdev, skb);
2793 case HCI_OP_LE_READ_BUFFER_SIZE:
2794 hci_cc_le_read_buffer_size(hdev, skb);
2797 case HCI_OP_LE_READ_LOCAL_FEATURES:
2798 hci_cc_le_read_local_features(hdev, skb);
2801 case HCI_OP_LE_READ_ADV_TX_POWER:
2802 hci_cc_le_read_adv_tx_power(hdev, skb);
2805 case HCI_OP_USER_CONFIRM_REPLY:
2806 hci_cc_user_confirm_reply(hdev, skb);
2809 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2810 hci_cc_user_confirm_neg_reply(hdev, skb);
2813 case HCI_OP_USER_PASSKEY_REPLY:
2814 hci_cc_user_passkey_reply(hdev, skb);
2817 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2818 hci_cc_user_passkey_neg_reply(hdev, skb);
2821 case HCI_OP_LE_SET_RANDOM_ADDR:
2822 hci_cc_le_set_random_addr(hdev, skb);
2825 case HCI_OP_LE_SET_ADV_ENABLE:
2826 hci_cc_le_set_adv_enable(hdev, skb);
2829 case HCI_OP_LE_SET_SCAN_PARAM:
2830 hci_cc_le_set_scan_param(hdev, skb);
2833 case HCI_OP_LE_SET_SCAN_ENABLE:
2834 hci_cc_le_set_scan_enable(hdev, skb);
2837 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2838 hci_cc_le_read_white_list_size(hdev, skb);
2841 case HCI_OP_LE_CLEAR_WHITE_LIST:
2842 hci_cc_le_clear_white_list(hdev, skb);
2845 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2846 hci_cc_le_add_to_white_list(hdev, skb);
2849 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2850 hci_cc_le_del_from_white_list(hdev, skb);
2853 case HCI_OP_LE_READ_SUPPORTED_STATES:
2854 hci_cc_le_read_supported_states(hdev, skb);
2857 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2858 hci_cc_write_le_host_supported(hdev, skb);
2861 case HCI_OP_LE_SET_ADV_PARAM:
2862 hci_cc_set_adv_param(hdev, skb);
2865 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2866 hci_cc_write_remote_amp_assoc(hdev, skb);
2869 case HCI_OP_READ_RSSI:
2870 hci_cc_read_rssi(hdev, skb);
2873 case HCI_OP_READ_TX_POWER:
2874 hci_cc_read_tx_power(hdev, skb);
2878 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2882 if (opcode != HCI_OP_NOP)
2883 cancel_delayed_work(&hdev->cmd_timer);
2885 hci_req_cmd_complete(hdev, opcode, status);
2887 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2888 atomic_set(&hdev->cmd_cnt, 1);
2889 if (!skb_queue_empty(&hdev->cmd_q))
2890 queue_work(hdev->workqueue, &hdev->cmd_work);
2894 static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
2896 struct hci_ev_cmd_status *ev = (void *) skb->data;
2899 skb_pull(skb, sizeof(*ev));
2901 opcode = __le16_to_cpu(ev->opcode);
2904 case HCI_OP_INQUIRY:
2905 hci_cs_inquiry(hdev, ev->status);
2908 case HCI_OP_CREATE_CONN:
2909 hci_cs_create_conn(hdev, ev->status);
2912 case HCI_OP_DISCONNECT:
2913 hci_cs_disconnect(hdev, ev->status);
2916 case HCI_OP_ADD_SCO:
2917 hci_cs_add_sco(hdev, ev->status);
2920 case HCI_OP_AUTH_REQUESTED:
2921 hci_cs_auth_requested(hdev, ev->status);
2924 case HCI_OP_SET_CONN_ENCRYPT:
2925 hci_cs_set_conn_encrypt(hdev, ev->status);
2928 case HCI_OP_REMOTE_NAME_REQ:
2929 hci_cs_remote_name_req(hdev, ev->status);
2932 case HCI_OP_READ_REMOTE_FEATURES:
2933 hci_cs_read_remote_features(hdev, ev->status);
2936 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2937 hci_cs_read_remote_ext_features(hdev, ev->status);
2940 case HCI_OP_SETUP_SYNC_CONN:
2941 hci_cs_setup_sync_conn(hdev, ev->status);
2944 case HCI_OP_CREATE_PHY_LINK:
2945 hci_cs_create_phylink(hdev, ev->status);
2948 case HCI_OP_ACCEPT_PHY_LINK:
2949 hci_cs_accept_phylink(hdev, ev->status);
2952 case HCI_OP_SNIFF_MODE:
2953 hci_cs_sniff_mode(hdev, ev->status);
2956 case HCI_OP_EXIT_SNIFF_MODE:
2957 hci_cs_exit_sniff_mode(hdev, ev->status);
2960 case HCI_OP_SWITCH_ROLE:
2961 hci_cs_switch_role(hdev, ev->status);
2964 case HCI_OP_LE_CREATE_CONN:
2965 hci_cs_le_create_conn(hdev, ev->status);
2968 case HCI_OP_LE_START_ENC:
2969 hci_cs_le_start_enc(hdev, ev->status);
2973 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2977 if (opcode != HCI_OP_NOP)
2978 cancel_delayed_work(&hdev->cmd_timer);
2981 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2982 hci_req_cmd_complete(hdev, opcode, ev->status);
2984 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2985 atomic_set(&hdev->cmd_cnt, 1);
2986 if (!skb_queue_empty(&hdev->cmd_q))
2987 queue_work(hdev->workqueue, &hdev->cmd_work);
2991 static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
2993 struct hci_ev_hardware_error *ev = (void *) skb->data;
2995 BT_ERR("%s hardware error 0x%2.2x", hdev->name, ev->code);
2998 static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3000 struct hci_ev_role_change *ev = (void *) skb->data;
3001 struct hci_conn *conn;
3003 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3007 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3010 conn->role = ev->role;
3012 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
3014 hci_role_switch_cfm(conn, ev->status, ev->role);
3017 hci_dev_unlock(hdev);
3020 static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
3022 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
3025 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3026 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3030 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
3031 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
3032 BT_DBG("%s bad parameters", hdev->name);
3036 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3038 for (i = 0; i < ev->num_hndl; i++) {
3039 struct hci_comp_pkts_info *info = &ev->handles[i];
3040 struct hci_conn *conn;
3041 __u16 handle, count;
3043 handle = __le16_to_cpu(info->handle);
3044 count = __le16_to_cpu(info->count);
3046 conn = hci_conn_hash_lookup_handle(hdev, handle);
3050 conn->sent -= count;
3052 switch (conn->type) {
3054 hdev->acl_cnt += count;
3055 if (hdev->acl_cnt > hdev->acl_pkts)
3056 hdev->acl_cnt = hdev->acl_pkts;
3060 if (hdev->le_pkts) {
3061 hdev->le_cnt += count;
3062 if (hdev->le_cnt > hdev->le_pkts)
3063 hdev->le_cnt = hdev->le_pkts;
3065 hdev->acl_cnt += count;
3066 if (hdev->acl_cnt > hdev->acl_pkts)
3067 hdev->acl_cnt = hdev->acl_pkts;
3072 hdev->sco_cnt += count;
3073 if (hdev->sco_cnt > hdev->sco_pkts)
3074 hdev->sco_cnt = hdev->sco_pkts;
3078 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3083 queue_work(hdev->workqueue, &hdev->tx_work);
3086 static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3089 struct hci_chan *chan;
3091 switch (hdev->dev_type) {
3093 return hci_conn_hash_lookup_handle(hdev, handle);
3095 chan = hci_chan_lookup_handle(hdev, handle);
3100 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3107 static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
3109 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3112 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3113 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3117 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
3118 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
3119 BT_DBG("%s bad parameters", hdev->name);
3123 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
3126 for (i = 0; i < ev->num_hndl; i++) {
3127 struct hci_comp_blocks_info *info = &ev->handles[i];
3128 struct hci_conn *conn = NULL;
3129 __u16 handle, block_count;
3131 handle = __le16_to_cpu(info->handle);
3132 block_count = __le16_to_cpu(info->blocks);
3134 conn = __hci_conn_lookup_handle(hdev, handle);
3138 conn->sent -= block_count;
3140 switch (conn->type) {
3143 hdev->block_cnt += block_count;
3144 if (hdev->block_cnt > hdev->num_blocks)
3145 hdev->block_cnt = hdev->num_blocks;
3149 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3154 queue_work(hdev->workqueue, &hdev->tx_work);
3157 static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3159 struct hci_ev_mode_change *ev = (void *) skb->data;
3160 struct hci_conn *conn;
3162 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3166 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3168 conn->mode = ev->mode;
3170 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3172 if (conn->mode == HCI_CM_ACTIVE)
3173 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
3175 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
3178 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
3179 hci_sco_setup(conn, ev->status);
3182 hci_dev_unlock(hdev);
3185 static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3187 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3188 struct hci_conn *conn;
3190 BT_DBG("%s", hdev->name);
3194 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3198 if (conn->state == BT_CONNECTED) {
3199 hci_conn_hold(conn);
3200 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
3201 hci_conn_drop(conn);
3204 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
3205 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
3206 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
3207 sizeof(ev->bdaddr), &ev->bdaddr);
3208 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
3211 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3216 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
3220 hci_dev_unlock(hdev);
3223 static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3225 if (key_type == HCI_LK_CHANGED_COMBINATION)
3228 conn->pin_length = pin_len;
3229 conn->key_type = key_type;
3232 case HCI_LK_LOCAL_UNIT:
3233 case HCI_LK_REMOTE_UNIT:
3234 case HCI_LK_DEBUG_COMBINATION:
3236 case HCI_LK_COMBINATION:
3238 conn->pending_sec_level = BT_SECURITY_HIGH;
3240 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3242 case HCI_LK_UNAUTH_COMBINATION_P192:
3243 case HCI_LK_UNAUTH_COMBINATION_P256:
3244 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3246 case HCI_LK_AUTH_COMBINATION_P192:
3247 conn->pending_sec_level = BT_SECURITY_HIGH;
3249 case HCI_LK_AUTH_COMBINATION_P256:
3250 conn->pending_sec_level = BT_SECURITY_FIPS;
3255 static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3257 struct hci_ev_link_key_req *ev = (void *) skb->data;
3258 struct hci_cp_link_key_reply cp;
3259 struct hci_conn *conn;
3260 struct link_key *key;
3262 BT_DBG("%s", hdev->name);
3264 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3269 key = hci_find_link_key(hdev, &ev->bdaddr);
3271 BT_DBG("%s link key not found for %pMR", hdev->name,
3276 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3279 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3281 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3283 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3284 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
3285 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
3286 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3290 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
3291 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3292 conn->pending_sec_level == BT_SECURITY_FIPS)) {
3293 BT_DBG("%s ignoring key unauthenticated for high security",
3298 conn_set_key(conn, key->type, key->pin_len);
3301 bacpy(&cp.bdaddr, &ev->bdaddr);
3302 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
3304 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3306 hci_dev_unlock(hdev);
3311 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3312 hci_dev_unlock(hdev);
3315 static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3317 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3318 struct hci_conn *conn;
3319 struct link_key *key;
3323 BT_DBG("%s", hdev->name);
3327 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3331 hci_conn_hold(conn);
3332 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3333 hci_conn_drop(conn);
3335 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3336 conn_set_key(conn, ev->key_type, conn->pin_length);
3338 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3341 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3342 ev->key_type, pin_len, &persistent);
3346 /* Update connection information since adding the key will have
3347 * fixed up the type in the case of changed combination keys.
3349 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3350 conn_set_key(conn, key->type, key->pin_len);
3352 mgmt_new_link_key(hdev, key, persistent);
3354 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3355 * is set. If it's not set simply remove the key from the kernel
3356 * list (we've still notified user space about it but with
3357 * store_hint being 0).
3359 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3360 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3361 list_del_rcu(&key->list);
3362 kfree_rcu(key, rcu);
3367 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3369 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3372 hci_dev_unlock(hdev);
3375 static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
3377 struct hci_ev_clock_offset *ev = (void *) skb->data;
3378 struct hci_conn *conn;
3380 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3384 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3385 if (conn && !ev->status) {
3386 struct inquiry_entry *ie;
3388 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3390 ie->data.clock_offset = ev->clock_offset;
3391 ie->timestamp = jiffies;
3395 hci_dev_unlock(hdev);
3398 static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3400 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3401 struct hci_conn *conn;
3403 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3407 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3408 if (conn && !ev->status)
3409 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3411 hci_dev_unlock(hdev);
3414 static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
3416 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
3417 struct inquiry_entry *ie;
3419 BT_DBG("%s", hdev->name);
3423 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3425 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3426 ie->timestamp = jiffies;
3429 hci_dev_unlock(hdev);
3432 static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3433 struct sk_buff *skb)
3435 struct inquiry_data data;
3436 int num_rsp = *((__u8 *) skb->data);
3438 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3443 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3448 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
3449 struct inquiry_info_with_rssi_and_pscan_mode *info;
3450 info = (void *) (skb->data + 1);
3452 for (; num_rsp; num_rsp--, info++) {
3455 bacpy(&data.bdaddr, &info->bdaddr);
3456 data.pscan_rep_mode = info->pscan_rep_mode;
3457 data.pscan_period_mode = info->pscan_period_mode;
3458 data.pscan_mode = info->pscan_mode;
3459 memcpy(data.dev_class, info->dev_class, 3);
3460 data.clock_offset = info->clock_offset;
3461 data.rssi = info->rssi;
3462 data.ssp_mode = 0x00;
3464 flags = hci_inquiry_cache_update(hdev, &data, false);
3466 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3467 info->dev_class, info->rssi,
3468 flags, NULL, 0, NULL, 0);
3471 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3473 for (; num_rsp; num_rsp--, info++) {
3476 bacpy(&data.bdaddr, &info->bdaddr);
3477 data.pscan_rep_mode = info->pscan_rep_mode;
3478 data.pscan_period_mode = info->pscan_period_mode;
3479 data.pscan_mode = 0x00;
3480 memcpy(data.dev_class, info->dev_class, 3);
3481 data.clock_offset = info->clock_offset;
3482 data.rssi = info->rssi;
3483 data.ssp_mode = 0x00;
3485 flags = hci_inquiry_cache_update(hdev, &data, false);
3487 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3488 info->dev_class, info->rssi,
3489 flags, NULL, 0, NULL, 0);
3493 hci_dev_unlock(hdev);
3496 static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3497 struct sk_buff *skb)
3499 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3500 struct hci_conn *conn;
3502 BT_DBG("%s", hdev->name);
3506 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3510 if (ev->page < HCI_MAX_PAGES)
3511 memcpy(conn->features[ev->page], ev->features, 8);
3513 if (!ev->status && ev->page == 0x01) {
3514 struct inquiry_entry *ie;
3516 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3518 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3520 if (ev->features[0] & LMP_HOST_SSP) {
3521 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3523 /* It is mandatory by the Bluetooth specification that
3524 * Extended Inquiry Results are only used when Secure
3525 * Simple Pairing is enabled, but some devices violate
3528 * To make these devices work, the internal SSP
3529 * enabled flag needs to be cleared if the remote host
3530 * features do not indicate SSP support */
3531 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3534 if (ev->features[0] & LMP_HOST_SC)
3535 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
3538 if (conn->state != BT_CONFIG)
3541 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
3542 struct hci_cp_remote_name_req cp;
3543 memset(&cp, 0, sizeof(cp));
3544 bacpy(&cp.bdaddr, &conn->dst);
3545 cp.pscan_rep_mode = 0x02;
3546 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
3547 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3548 mgmt_device_connected(hdev, conn, 0, NULL, 0);
3550 if (!hci_outgoing_auth_needed(hdev, conn)) {
3551 conn->state = BT_CONNECTED;
3552 hci_proto_connect_cfm(conn, ev->status);
3553 hci_conn_drop(conn);
3557 hci_dev_unlock(hdev);
3560 static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3561 struct sk_buff *skb)
3563 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3564 struct hci_conn *conn;
3566 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3570 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
3572 if (ev->link_type == ESCO_LINK)
3575 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3579 conn->type = SCO_LINK;
3582 switch (ev->status) {
3584 conn->handle = __le16_to_cpu(ev->handle);
3585 conn->state = BT_CONNECTED;
3587 hci_conn_add_sysfs(conn);
3590 case 0x10: /* Connection Accept Timeout */
3591 case 0x0d: /* Connection Rejected due to Limited Resources */
3592 case 0x11: /* Unsupported Feature or Parameter Value */
3593 case 0x1c: /* SCO interval rejected */
3594 case 0x1a: /* Unsupported Remote Feature */
3595 case 0x1f: /* Unspecified error */
3596 case 0x20: /* Unsupported LMP Parameter value */
3598 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3599 (hdev->esco_type & EDR_ESCO_MASK);
3600 if (hci_setup_sync(conn, conn->link->handle))
3606 conn->state = BT_CLOSED;
3610 hci_proto_connect_cfm(conn, ev->status);
3615 hci_dev_unlock(hdev);
3618 static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3622 while (parsed < eir_len) {
3623 u8 field_len = eir[0];
3628 parsed += field_len + 1;
3629 eir += field_len + 1;
3635 static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3636 struct sk_buff *skb)
3638 struct inquiry_data data;
3639 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3640 int num_rsp = *((__u8 *) skb->data);
3643 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3648 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3653 for (; num_rsp; num_rsp--, info++) {
3657 bacpy(&data.bdaddr, &info->bdaddr);
3658 data.pscan_rep_mode = info->pscan_rep_mode;
3659 data.pscan_period_mode = info->pscan_period_mode;
3660 data.pscan_mode = 0x00;
3661 memcpy(data.dev_class, info->dev_class, 3);
3662 data.clock_offset = info->clock_offset;
3663 data.rssi = info->rssi;
3664 data.ssp_mode = 0x01;
3666 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3667 name_known = eir_has_data_type(info->data,
3673 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3675 eir_len = eir_get_length(info->data, sizeof(info->data));
3677 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3678 info->dev_class, info->rssi,
3679 flags, info->data, eir_len, NULL, 0);
3682 hci_dev_unlock(hdev);
3685 static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3686 struct sk_buff *skb)
3688 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3689 struct hci_conn *conn;
3691 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
3692 __le16_to_cpu(ev->handle));
3696 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3700 /* For BR/EDR the necessary steps are taken through the
3701 * auth_complete event.
3703 if (conn->type != LE_LINK)
3707 conn->sec_level = conn->pending_sec_level;
3709 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3711 if (ev->status && conn->state == BT_CONNECTED) {
3712 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
3713 hci_conn_drop(conn);
3717 if (conn->state == BT_CONFIG) {
3719 conn->state = BT_CONNECTED;
3721 hci_proto_connect_cfm(conn, ev->status);
3722 hci_conn_drop(conn);
3724 hci_auth_cfm(conn, ev->status);
3726 hci_conn_hold(conn);
3727 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3728 hci_conn_drop(conn);
3732 hci_dev_unlock(hdev);
3735 static u8 hci_get_auth_req(struct hci_conn *conn)
3737 /* If remote requests no-bonding follow that lead */
3738 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3739 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
3740 return conn->remote_auth | (conn->auth_type & 0x01);
3742 /* If both remote and local have enough IO capabilities, require
3745 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3746 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3747 return conn->remote_auth | 0x01;
3749 /* No MITM protection possible so ignore remote requirement */
3750 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
3753 static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3755 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3756 struct hci_conn *conn;
3758 BT_DBG("%s", hdev->name);
3762 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3766 hci_conn_hold(conn);
3768 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3771 /* Allow pairing if we're pairable, the initiators of the
3772 * pairing or if the remote is not requesting bonding.
3774 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
3775 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
3776 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
3777 struct hci_cp_io_capability_reply cp;
3779 bacpy(&cp.bdaddr, &ev->bdaddr);
3780 /* Change the IO capability from KeyboardDisplay
3781 * to DisplayYesNo as it is not supported by BT spec. */
3782 cp.capability = (conn->io_capability == 0x04) ?
3783 HCI_IO_DISPLAY_YESNO : conn->io_capability;
3785 /* If we are initiators, there is no remote information yet */
3786 if (conn->remote_auth == 0xff) {
3787 /* Request MITM protection if our IO caps allow it
3788 * except for the no-bonding case.
3790 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
3791 conn->auth_type != HCI_AT_NO_BONDING)
3792 conn->auth_type |= 0x01;
3794 conn->auth_type = hci_get_auth_req(conn);
3797 /* If we're not bondable, force one of the non-bondable
3798 * authentication requirement values.
3800 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3801 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3803 cp.authentication = conn->auth_type;
3805 if (hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR) &&
3806 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
3811 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
3814 struct hci_cp_io_capability_neg_reply cp;
3816 bacpy(&cp.bdaddr, &ev->bdaddr);
3817 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
3819 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
3824 hci_dev_unlock(hdev);
3827 static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
3829 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3830 struct hci_conn *conn;
3832 BT_DBG("%s", hdev->name);
3836 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3840 conn->remote_cap = ev->capability;
3841 conn->remote_auth = ev->authentication;
3843 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
3846 hci_dev_unlock(hdev);
3849 static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3850 struct sk_buff *skb)
3852 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
3853 int loc_mitm, rem_mitm, confirm_hint = 0;
3854 struct hci_conn *conn;
3856 BT_DBG("%s", hdev->name);
3860 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3863 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3867 loc_mitm = (conn->auth_type & 0x01);
3868 rem_mitm = (conn->remote_auth & 0x01);
3870 /* If we require MITM but the remote device can't provide that
3871 * (it has NoInputNoOutput) then reject the confirmation
3872 * request. We check the security level here since it doesn't
3873 * necessarily match conn->auth_type.
3875 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3876 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
3877 BT_DBG("Rejecting request: remote device can't provide MITM");
3878 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
3879 sizeof(ev->bdaddr), &ev->bdaddr);
3883 /* If no side requires MITM protection; auto-accept */
3884 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3885 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
3887 /* If we're not the initiators request authorization to
3888 * proceed from user space (mgmt_user_confirm with
3889 * confirm_hint set to 1). The exception is if neither
3890 * side had MITM or if the local IO capability is
3891 * NoInputNoOutput, in which case we do auto-accept
3893 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
3894 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
3895 (loc_mitm || rem_mitm)) {
3896 BT_DBG("Confirming auto-accept as acceptor");
3901 BT_DBG("Auto-accept of user confirmation with %ums delay",
3902 hdev->auto_accept_delay);
3904 if (hdev->auto_accept_delay > 0) {
3905 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
3906 queue_delayed_work(conn->hdev->workqueue,
3907 &conn->auto_accept_work, delay);
3911 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
3912 sizeof(ev->bdaddr), &ev->bdaddr);
3917 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3918 le32_to_cpu(ev->passkey), confirm_hint);
3921 hci_dev_unlock(hdev);
3924 static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3925 struct sk_buff *skb)
3927 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3929 BT_DBG("%s", hdev->name);
3931 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3932 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
3935 static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3936 struct sk_buff *skb)
3938 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3939 struct hci_conn *conn;
3941 BT_DBG("%s", hdev->name);
3943 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3947 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3948 conn->passkey_entered = 0;
3950 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3951 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3952 conn->dst_type, conn->passkey_notify,
3953 conn->passkey_entered);
3956 static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3958 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3959 struct hci_conn *conn;
3961 BT_DBG("%s", hdev->name);
3963 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3968 case HCI_KEYPRESS_STARTED:
3969 conn->passkey_entered = 0;
3972 case HCI_KEYPRESS_ENTERED:
3973 conn->passkey_entered++;
3976 case HCI_KEYPRESS_ERASED:
3977 conn->passkey_entered--;
3980 case HCI_KEYPRESS_CLEARED:
3981 conn->passkey_entered = 0;
3984 case HCI_KEYPRESS_COMPLETED:
3988 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3989 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3990 conn->dst_type, conn->passkey_notify,
3991 conn->passkey_entered);
3994 static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3995 struct sk_buff *skb)
3997 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3998 struct hci_conn *conn;
4000 BT_DBG("%s", hdev->name);
4004 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4008 /* Reset the authentication requirement to unknown */
4009 conn->remote_auth = 0xff;
4011 /* To avoid duplicate auth_failed events to user space we check
4012 * the HCI_CONN_AUTH_PEND flag which will be set if we
4013 * initiated the authentication. A traditional auth_complete
4014 * event gets always produced as initiator and is also mapped to
4015 * the mgmt_auth_failed event */
4016 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
4017 mgmt_auth_failed(conn, ev->status);
4019 hci_conn_drop(conn);
4022 hci_dev_unlock(hdev);
4025 static void hci_remote_host_features_evt(struct hci_dev *hdev,
4026 struct sk_buff *skb)
4028 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4029 struct inquiry_entry *ie;
4030 struct hci_conn *conn;
4032 BT_DBG("%s", hdev->name);
4036 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4038 memcpy(conn->features[1], ev->features, 8);
4040 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4042 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
4044 hci_dev_unlock(hdev);
4047 static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4048 struct sk_buff *skb)
4050 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4051 struct oob_data *data;
4053 BT_DBG("%s", hdev->name);
4057 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
4060 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
4062 if (bredr_sc_enabled(hdev)) {
4063 struct hci_cp_remote_oob_ext_data_reply cp;
4065 bacpy(&cp.bdaddr, &ev->bdaddr);
4066 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
4067 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
4068 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
4069 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
4071 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4074 struct hci_cp_remote_oob_data_reply cp;
4076 bacpy(&cp.bdaddr, &ev->bdaddr);
4077 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4078 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
4080 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
4084 struct hci_cp_remote_oob_data_neg_reply cp;
4086 bacpy(&cp.bdaddr, &ev->bdaddr);
4087 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4092 hci_dev_unlock(hdev);
4095 static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4096 struct sk_buff *skb)
4098 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4099 struct hci_conn *hcon, *bredr_hcon;
4101 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4106 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4108 hci_dev_unlock(hdev);
4114 hci_dev_unlock(hdev);
4118 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4120 hcon->state = BT_CONNECTED;
4121 bacpy(&hcon->dst, &bredr_hcon->dst);
4123 hci_conn_hold(hcon);
4124 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
4125 hci_conn_drop(hcon);
4127 hci_conn_add_sysfs(hcon);
4129 amp_physical_cfm(bredr_hcon, hcon);
4131 hci_dev_unlock(hdev);
4134 static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4136 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4137 struct hci_conn *hcon;
4138 struct hci_chan *hchan;
4139 struct amp_mgr *mgr;
4141 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4142 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4145 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4149 /* Create AMP hchan */
4150 hchan = hci_chan_create(hcon);
4154 hchan->handle = le16_to_cpu(ev->handle);
4156 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4158 mgr = hcon->amp_mgr;
4159 if (mgr && mgr->bredr_chan) {
4160 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4162 l2cap_chan_lock(bredr_chan);
4164 bredr_chan->conn->mtu = hdev->block_mtu;
4165 l2cap_logical_cfm(bredr_chan, hchan, 0);
4166 hci_conn_hold(hcon);
4168 l2cap_chan_unlock(bredr_chan);
4172 static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4173 struct sk_buff *skb)
4175 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4176 struct hci_chan *hchan;
4178 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4179 le16_to_cpu(ev->handle), ev->status);
4186 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4190 amp_destroy_logical_link(hchan, ev->reason);
4193 hci_dev_unlock(hdev);
4196 static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4197 struct sk_buff *skb)
4199 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4200 struct hci_conn *hcon;
4202 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4209 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4211 hcon->state = BT_CLOSED;
4215 hci_dev_unlock(hdev);
4218 static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4220 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
4221 struct hci_conn_params *params;
4222 struct hci_conn *conn;
4223 struct smp_irk *irk;
4226 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4230 /* All controllers implicitly stop advertising in the event of a
4231 * connection, so ensure that the state bit is cleared.
4233 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4235 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
4237 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
4239 BT_ERR("No memory for new connection");
4243 conn->dst_type = ev->bdaddr_type;
4245 /* If we didn't have a hci_conn object previously
4246 * but we're in master role this must be something
4247 * initiated using a white list. Since white list based
4248 * connections are not "first class citizens" we don't
4249 * have full tracking of them. Therefore, we go ahead
4250 * with a "best effort" approach of determining the
4251 * initiator address based on the HCI_PRIVACY flag.
4254 conn->resp_addr_type = ev->bdaddr_type;
4255 bacpy(&conn->resp_addr, &ev->bdaddr);
4256 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4257 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4258 bacpy(&conn->init_addr, &hdev->rpa);
4260 hci_copy_identity_address(hdev,
4262 &conn->init_addr_type);
4266 cancel_delayed_work(&conn->le_conn_timeout);
4270 /* Set the responder (our side) address type based on
4271 * the advertising address type.
4273 conn->resp_addr_type = hdev->adv_addr_type;
4274 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4275 bacpy(&conn->resp_addr, &hdev->random_addr);
4277 bacpy(&conn->resp_addr, &hdev->bdaddr);
4279 conn->init_addr_type = ev->bdaddr_type;
4280 bacpy(&conn->init_addr, &ev->bdaddr);
4282 /* For incoming connections, set the default minimum
4283 * and maximum connection interval. They will be used
4284 * to check if the parameters are in range and if not
4285 * trigger the connection update procedure.
4287 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4288 conn->le_conn_max_interval = hdev->le_conn_max_interval;
4291 /* Lookup the identity address from the stored connection
4292 * address and address type.
4294 * When establishing connections to an identity address, the
4295 * connection procedure will store the resolvable random
4296 * address first. Now if it can be converted back into the
4297 * identity address, start using the identity address from
4300 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
4302 bacpy(&conn->dst, &irk->bdaddr);
4303 conn->dst_type = irk->addr_type;
4307 hci_le_conn_failed(conn, ev->status);
4311 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4312 addr_type = BDADDR_LE_PUBLIC;
4314 addr_type = BDADDR_LE_RANDOM;
4316 /* Drop the connection if the device is blocked */
4317 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4318 hci_conn_drop(conn);
4322 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
4323 mgmt_device_connected(hdev, conn, 0, NULL, 0);
4325 conn->sec_level = BT_SECURITY_LOW;
4326 conn->handle = __le16_to_cpu(ev->handle);
4327 conn->state = BT_CONNECTED;
4329 conn->le_conn_interval = le16_to_cpu(ev->interval);
4330 conn->le_conn_latency = le16_to_cpu(ev->latency);
4331 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4333 hci_conn_add_sysfs(conn);
4335 hci_proto_connect_cfm(conn, ev->status);
4337 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4340 list_del_init(¶ms->action);
4342 hci_conn_drop(params->conn);
4343 hci_conn_put(params->conn);
4344 params->conn = NULL;
4349 hci_update_background_scan(hdev);
4350 hci_dev_unlock(hdev);
4353 static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4354 struct sk_buff *skb)
4356 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4357 struct hci_conn *conn;
4359 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4366 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4368 conn->le_conn_interval = le16_to_cpu(ev->interval);
4369 conn->le_conn_latency = le16_to_cpu(ev->latency);
4370 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4373 hci_dev_unlock(hdev);
4376 /* This function requires the caller holds hdev->lock */
4377 static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4379 u8 addr_type, u8 adv_type)
4381 struct hci_conn *conn;
4382 struct hci_conn_params *params;
4384 /* If the event is not connectable don't proceed further */
4385 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
4388 /* Ignore if the device is blocked */
4389 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
4392 /* Most controller will fail if we try to create new connections
4393 * while we have an existing one in slave role.
4395 if (hdev->conn_hash.le_num_slave > 0)
4398 /* If we're not connectable only connect devices that we have in
4399 * our pend_le_conns list.
4401 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4406 switch (params->auto_connect) {
4407 case HCI_AUTO_CONN_DIRECT:
4408 /* Only devices advertising with ADV_DIRECT_IND are
4409 * triggering a connection attempt. This is allowing
4410 * incoming connections from slave devices.
4412 if (adv_type != LE_ADV_DIRECT_IND)
4415 case HCI_AUTO_CONN_ALWAYS:
4416 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4417 * are triggering a connection attempt. This means
4418 * that incoming connectioms from slave device are
4419 * accepted and also outgoing connections to slave
4420 * devices are established when found.
4427 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
4428 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
4429 if (!IS_ERR(conn)) {
4430 /* Store the pointer since we don't really have any
4431 * other owner of the object besides the params that
4432 * triggered it. This way we can abort the connection if
4433 * the parameters get removed and keep the reference
4434 * count consistent once the connection is established.
4436 params->conn = hci_conn_get(conn);
4440 switch (PTR_ERR(conn)) {
4442 /* If hci_connect() returns -EBUSY it means there is already
4443 * an LE connection attempt going on. Since controllers don't
4444 * support more than one connection attempt at the time, we
4445 * don't consider this an error case.
4449 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4456 static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4457 u8 bdaddr_type, bdaddr_t *direct_addr,
4458 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
4460 struct discovery_state *d = &hdev->discovery;
4461 struct smp_irk *irk;
4462 struct hci_conn *conn;
4466 /* If the direct address is present, then this report is from
4467 * a LE Direct Advertising Report event. In that case it is
4468 * important to see if the address is matching the local
4469 * controller address.
4472 /* Only resolvable random addresses are valid for these
4473 * kind of reports and others can be ignored.
4475 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4478 /* If the controller is not using resolvable random
4479 * addresses, then this report can be ignored.
4481 if (!test_bit(HCI_PRIVACY, &hdev->dev_flags))
4484 /* If the local IRK of the controller does not match
4485 * with the resolvable random address provided, then
4486 * this report can be ignored.
4488 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4492 /* Check if we need to convert to identity address */
4493 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4495 bdaddr = &irk->bdaddr;
4496 bdaddr_type = irk->addr_type;
4499 /* Check if we have been requested to connect to this device */
4500 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4501 if (conn && type == LE_ADV_IND) {
4502 /* Store report for later inclusion by
4503 * mgmt_device_connected
4505 memcpy(conn->le_adv_data, data, len);
4506 conn->le_adv_data_len = len;
4509 /* Passive scanning shouldn't trigger any device found events,
4510 * except for devices marked as CONN_REPORT for which we do send
4511 * device found events.
4513 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
4514 if (type == LE_ADV_DIRECT_IND)
4517 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4518 bdaddr, bdaddr_type))
4521 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4522 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4525 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4526 rssi, flags, data, len, NULL, 0);
4530 /* When receiving non-connectable or scannable undirected
4531 * advertising reports, this means that the remote device is
4532 * not connectable and then clearly indicate this in the
4533 * device found event.
4535 * When receiving a scan response, then there is no way to
4536 * know if the remote device is connectable or not. However
4537 * since scan responses are merged with a previously seen
4538 * advertising report, the flags field from that report
4541 * In the really unlikely case that a controller get confused
4542 * and just sends a scan response event, then it is marked as
4543 * not connectable as well.
4545 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4546 type == LE_ADV_SCAN_RSP)
4547 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4551 /* If there's nothing pending either store the data from this
4552 * event or send an immediate device found event if the data
4553 * should not be stored for later.
4555 if (!has_pending_adv_report(hdev)) {
4556 /* If the report will trigger a SCAN_REQ store it for
4559 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4560 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
4561 rssi, flags, data, len);
4565 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4566 rssi, flags, data, len, NULL, 0);
4570 /* Check if the pending report is for the same device as the new one */
4571 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4572 bdaddr_type == d->last_adv_addr_type);
4574 /* If the pending data doesn't match this report or this isn't a
4575 * scan response (e.g. we got a duplicate ADV_IND) then force
4576 * sending of the pending data.
4578 if (type != LE_ADV_SCAN_RSP || !match) {
4579 /* Send out whatever is in the cache, but skip duplicates */
4581 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
4582 d->last_adv_addr_type, NULL,
4583 d->last_adv_rssi, d->last_adv_flags,
4585 d->last_adv_data_len, NULL, 0);
4587 /* If the new report will trigger a SCAN_REQ store it for
4590 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4591 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
4592 rssi, flags, data, len);
4596 /* The advertising reports cannot be merged, so clear
4597 * the pending report and send out a device found event.
4599 clear_pending_adv_report(hdev);
4600 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4601 rssi, flags, data, len, NULL, 0);
4605 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4606 * the new event is a SCAN_RSP. We can therefore proceed with
4607 * sending a merged device found event.
4609 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
4610 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
4611 d->last_adv_data, d->last_adv_data_len, data, len);
4612 clear_pending_adv_report(hdev);
4615 static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
4617 u8 num_reports = skb->data[0];
4618 void *ptr = &skb->data[1];
4622 while (num_reports--) {
4623 struct hci_ev_le_advertising_info *ev = ptr;
4626 rssi = ev->data[ev->length];
4627 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4628 ev->bdaddr_type, NULL, 0, rssi,
4629 ev->data, ev->length);
4631 ptr += sizeof(*ev) + ev->length + 1;
4634 hci_dev_unlock(hdev);
4637 static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
4639 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4640 struct hci_cp_le_ltk_reply cp;
4641 struct hci_cp_le_ltk_neg_reply neg;
4642 struct hci_conn *conn;
4643 struct smp_ltk *ltk;
4645 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
4649 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4653 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
4657 if (smp_ltk_is_sc(ltk)) {
4658 /* With SC both EDiv and Rand are set to zero */
4659 if (ev->ediv || ev->rand)
4662 /* For non-SC keys check that EDiv and Rand match */
4663 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
4667 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
4668 cp.handle = cpu_to_le16(conn->handle);
4670 conn->pending_sec_level = smp_ltk_sec_level(ltk);
4672 conn->enc_key_size = ltk->enc_size;
4674 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4676 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4677 * temporary key used to encrypt a connection following
4678 * pairing. It is used during the Encrypted Session Setup to
4679 * distribute the keys. Later, security can be re-established
4680 * using a distributed LTK.
4682 if (ltk->type == SMP_STK) {
4683 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
4684 list_del_rcu(<k->list);
4685 kfree_rcu(ltk, rcu);
4687 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
4690 hci_dev_unlock(hdev);
4695 neg.handle = ev->handle;
4696 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4697 hci_dev_unlock(hdev);
4700 static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4703 struct hci_cp_le_conn_param_req_neg_reply cp;
4705 cp.handle = cpu_to_le16(handle);
4708 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4712 static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4713 struct sk_buff *skb)
4715 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4716 struct hci_cp_le_conn_param_req_reply cp;
4717 struct hci_conn *hcon;
4718 u16 handle, min, max, latency, timeout;
4720 handle = le16_to_cpu(ev->handle);
4721 min = le16_to_cpu(ev->interval_min);
4722 max = le16_to_cpu(ev->interval_max);
4723 latency = le16_to_cpu(ev->latency);
4724 timeout = le16_to_cpu(ev->timeout);
4726 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4727 if (!hcon || hcon->state != BT_CONNECTED)
4728 return send_conn_param_neg_reply(hdev, handle,
4729 HCI_ERROR_UNKNOWN_CONN_ID);
4731 if (hci_check_conn_params(min, max, latency, timeout))
4732 return send_conn_param_neg_reply(hdev, handle,
4733 HCI_ERROR_INVALID_LL_PARAMS);
4735 if (hcon->role == HCI_ROLE_MASTER) {
4736 struct hci_conn_params *params;
4741 params = hci_conn_params_lookup(hdev, &hcon->dst,
4744 params->conn_min_interval = min;
4745 params->conn_max_interval = max;
4746 params->conn_latency = latency;
4747 params->supervision_timeout = timeout;
4753 hci_dev_unlock(hdev);
4755 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4756 store_hint, min, max, latency, timeout);
4759 cp.handle = ev->handle;
4760 cp.interval_min = ev->interval_min;
4761 cp.interval_max = ev->interval_max;
4762 cp.latency = ev->latency;
4763 cp.timeout = ev->timeout;
4767 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4770 static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
4771 struct sk_buff *skb)
4773 u8 num_reports = skb->data[0];
4774 void *ptr = &skb->data[1];
4778 while (num_reports--) {
4779 struct hci_ev_le_direct_adv_info *ev = ptr;
4781 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4782 ev->bdaddr_type, &ev->direct_addr,
4783 ev->direct_addr_type, ev->rssi, NULL, 0);
4788 hci_dev_unlock(hdev);
4791 static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
4793 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4795 skb_pull(skb, sizeof(*le_ev));
4797 switch (le_ev->subevent) {
4798 case HCI_EV_LE_CONN_COMPLETE:
4799 hci_le_conn_complete_evt(hdev, skb);
4802 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4803 hci_le_conn_update_complete_evt(hdev, skb);
4806 case HCI_EV_LE_ADVERTISING_REPORT:
4807 hci_le_adv_report_evt(hdev, skb);
4810 case HCI_EV_LE_LTK_REQ:
4811 hci_le_ltk_request_evt(hdev, skb);
4814 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4815 hci_le_remote_conn_param_req_evt(hdev, skb);
4818 case HCI_EV_LE_DIRECT_ADV_REPORT:
4819 hci_le_direct_adv_report_evt(hdev, skb);
4827 static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4829 struct hci_ev_channel_selected *ev = (void *) skb->data;
4830 struct hci_conn *hcon;
4832 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4834 skb_pull(skb, sizeof(*ev));
4836 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4840 amp_read_loc_assoc_final_data(hdev, hcon);
4843 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4845 struct hci_event_hdr *hdr = (void *) skb->data;
4846 __u8 event = hdr->evt;
4850 /* Received events are (currently) only needed when a request is
4851 * ongoing so avoid unnecessary memory allocation.
4853 if (hci_req_pending(hdev)) {
4854 kfree_skb(hdev->recv_evt);
4855 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4858 hci_dev_unlock(hdev);
4860 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4862 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
4863 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4864 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
4866 hci_req_cmd_complete(hdev, opcode, 0);
4870 case HCI_EV_INQUIRY_COMPLETE:
4871 hci_inquiry_complete_evt(hdev, skb);
4874 case HCI_EV_INQUIRY_RESULT:
4875 hci_inquiry_result_evt(hdev, skb);
4878 case HCI_EV_CONN_COMPLETE:
4879 hci_conn_complete_evt(hdev, skb);
4882 case HCI_EV_CONN_REQUEST:
4883 hci_conn_request_evt(hdev, skb);
4886 case HCI_EV_DISCONN_COMPLETE:
4887 hci_disconn_complete_evt(hdev, skb);
4890 case HCI_EV_AUTH_COMPLETE:
4891 hci_auth_complete_evt(hdev, skb);
4894 case HCI_EV_REMOTE_NAME:
4895 hci_remote_name_evt(hdev, skb);
4898 case HCI_EV_ENCRYPT_CHANGE:
4899 hci_encrypt_change_evt(hdev, skb);
4902 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4903 hci_change_link_key_complete_evt(hdev, skb);
4906 case HCI_EV_REMOTE_FEATURES:
4907 hci_remote_features_evt(hdev, skb);
4910 case HCI_EV_CMD_COMPLETE:
4911 hci_cmd_complete_evt(hdev, skb);
4914 case HCI_EV_CMD_STATUS:
4915 hci_cmd_status_evt(hdev, skb);
4918 case HCI_EV_HARDWARE_ERROR:
4919 hci_hardware_error_evt(hdev, skb);
4922 case HCI_EV_ROLE_CHANGE:
4923 hci_role_change_evt(hdev, skb);
4926 case HCI_EV_NUM_COMP_PKTS:
4927 hci_num_comp_pkts_evt(hdev, skb);
4930 case HCI_EV_MODE_CHANGE:
4931 hci_mode_change_evt(hdev, skb);
4934 case HCI_EV_PIN_CODE_REQ:
4935 hci_pin_code_request_evt(hdev, skb);
4938 case HCI_EV_LINK_KEY_REQ:
4939 hci_link_key_request_evt(hdev, skb);
4942 case HCI_EV_LINK_KEY_NOTIFY:
4943 hci_link_key_notify_evt(hdev, skb);
4946 case HCI_EV_CLOCK_OFFSET:
4947 hci_clock_offset_evt(hdev, skb);
4950 case HCI_EV_PKT_TYPE_CHANGE:
4951 hci_pkt_type_change_evt(hdev, skb);
4954 case HCI_EV_PSCAN_REP_MODE:
4955 hci_pscan_rep_mode_evt(hdev, skb);
4958 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4959 hci_inquiry_result_with_rssi_evt(hdev, skb);
4962 case HCI_EV_REMOTE_EXT_FEATURES:
4963 hci_remote_ext_features_evt(hdev, skb);
4966 case HCI_EV_SYNC_CONN_COMPLETE:
4967 hci_sync_conn_complete_evt(hdev, skb);
4970 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4971 hci_extended_inquiry_result_evt(hdev, skb);
4974 case HCI_EV_KEY_REFRESH_COMPLETE:
4975 hci_key_refresh_complete_evt(hdev, skb);
4978 case HCI_EV_IO_CAPA_REQUEST:
4979 hci_io_capa_request_evt(hdev, skb);
4982 case HCI_EV_IO_CAPA_REPLY:
4983 hci_io_capa_reply_evt(hdev, skb);
4986 case HCI_EV_USER_CONFIRM_REQUEST:
4987 hci_user_confirm_request_evt(hdev, skb);
4990 case HCI_EV_USER_PASSKEY_REQUEST:
4991 hci_user_passkey_request_evt(hdev, skb);
4994 case HCI_EV_USER_PASSKEY_NOTIFY:
4995 hci_user_passkey_notify_evt(hdev, skb);
4998 case HCI_EV_KEYPRESS_NOTIFY:
4999 hci_keypress_notify_evt(hdev, skb);
5002 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5003 hci_simple_pair_complete_evt(hdev, skb);
5006 case HCI_EV_REMOTE_HOST_FEATURES:
5007 hci_remote_host_features_evt(hdev, skb);
5010 case HCI_EV_LE_META:
5011 hci_le_meta_evt(hdev, skb);
5014 case HCI_EV_CHANNEL_SELECTED:
5015 hci_chan_selected_evt(hdev, skb);
5018 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5019 hci_remote_oob_data_request_evt(hdev, skb);
5022 case HCI_EV_PHY_LINK_COMPLETE:
5023 hci_phy_link_complete_evt(hdev, skb);
5026 case HCI_EV_LOGICAL_LINK_COMPLETE:
5027 hci_loglink_complete_evt(hdev, skb);
5030 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5031 hci_disconn_loglink_complete_evt(hdev, skb);
5034 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5035 hci_disconn_phylink_complete_evt(hdev, skb);
5038 case HCI_EV_NUM_COMP_BLOCKS:
5039 hci_num_comp_blocks_evt(hdev, skb);
5043 BT_DBG("%s event 0x%2.2x", hdev->name, event);
5048 hdev->stat.evt_rx++;