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>
33 #include "hci_request.h"
34 #include "hci_debugfs.h"
39 /* Handle HCI Event packets */
41 static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
43 __u8 status = *((__u8 *) skb->data);
45 BT_DBG("%s status 0x%2.2x", hdev->name, status);
50 clear_bit(HCI_INQUIRY, &hdev->flags);
51 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
52 wake_up_bit(&hdev->flags, HCI_INQUIRY);
55 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
58 hci_conn_check_pending(hdev);
61 static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
63 __u8 status = *((__u8 *) skb->data);
65 BT_DBG("%s status 0x%2.2x", hdev->name, status);
70 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
73 static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
75 __u8 status = *((__u8 *) skb->data);
77 BT_DBG("%s status 0x%2.2x", hdev->name, status);
82 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
84 hci_conn_check_pending(hdev);
87 static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
90 BT_DBG("%s", hdev->name);
93 static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
95 struct hci_rp_role_discovery *rp = (void *) skb->data;
96 struct hci_conn *conn;
98 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
105 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
107 conn->role = rp->role;
109 hci_dev_unlock(hdev);
112 static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
114 struct hci_rp_read_link_policy *rp = (void *) skb->data;
115 struct hci_conn *conn;
117 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
124 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
126 conn->link_policy = __le16_to_cpu(rp->policy);
128 hci_dev_unlock(hdev);
131 static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
133 struct hci_rp_write_link_policy *rp = (void *) skb->data;
134 struct hci_conn *conn;
137 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
142 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
148 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
150 conn->link_policy = get_unaligned_le16(sent + 2);
152 hci_dev_unlock(hdev);
155 static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
158 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
160 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
165 hdev->link_policy = __le16_to_cpu(rp->policy);
168 static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
171 __u8 status = *((__u8 *) skb->data);
174 BT_DBG("%s status 0x%2.2x", hdev->name, status);
179 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
183 hdev->link_policy = get_unaligned_le16(sent);
186 static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
188 __u8 status = *((__u8 *) skb->data);
190 BT_DBG("%s status 0x%2.2x", hdev->name, status);
192 clear_bit(HCI_RESET, &hdev->flags);
197 /* Reset all non-persistent flags */
198 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
200 hdev->discovery.state = DISCOVERY_STOPPED;
201 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
202 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
204 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
205 hdev->adv_data_len = 0;
207 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
208 hdev->scan_rsp_data_len = 0;
210 hdev->le_scan_type = LE_SCAN_PASSIVE;
212 hdev->ssp_debug_mode = 0;
214 hci_bdaddr_list_clear(&hdev->le_white_list);
217 static void hci_cc_read_stored_link_key(struct hci_dev *hdev,
220 struct hci_rp_read_stored_link_key *rp = (void *)skb->data;
221 struct hci_cp_read_stored_link_key *sent;
223 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
225 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY);
229 if (!rp->status && sent->read_all == 0x01) {
230 hdev->stored_max_keys = rp->max_keys;
231 hdev->stored_num_keys = rp->num_keys;
235 static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
238 struct hci_rp_delete_stored_link_key *rp = (void *)skb->data;
240 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
245 if (rp->num_keys <= hdev->stored_num_keys)
246 hdev->stored_num_keys -= rp->num_keys;
248 hdev->stored_num_keys = 0;
251 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
253 __u8 status = *((__u8 *) skb->data);
256 BT_DBG("%s status 0x%2.2x", hdev->name, status);
258 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
264 if (test_bit(HCI_MGMT, &hdev->dev_flags))
265 mgmt_set_local_name_complete(hdev, sent, status);
267 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
269 hci_dev_unlock(hdev);
272 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
274 struct hci_rp_read_local_name *rp = (void *) skb->data;
276 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
281 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
282 test_bit(HCI_CONFIG, &hdev->dev_flags))
283 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
286 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
288 __u8 status = *((__u8 *) skb->data);
291 BT_DBG("%s status 0x%2.2x", hdev->name, status);
293 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
300 __u8 param = *((__u8 *) sent);
302 if (param == AUTH_ENABLED)
303 set_bit(HCI_AUTH, &hdev->flags);
305 clear_bit(HCI_AUTH, &hdev->flags);
308 if (test_bit(HCI_MGMT, &hdev->dev_flags))
309 mgmt_auth_enable_complete(hdev, status);
311 hci_dev_unlock(hdev);
314 static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
316 __u8 status = *((__u8 *) skb->data);
320 BT_DBG("%s status 0x%2.2x", hdev->name, status);
325 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
329 param = *((__u8 *) sent);
332 set_bit(HCI_ENCRYPT, &hdev->flags);
334 clear_bit(HCI_ENCRYPT, &hdev->flags);
337 static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
339 __u8 status = *((__u8 *) skb->data);
343 BT_DBG("%s status 0x%2.2x", hdev->name, status);
345 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
349 param = *((__u8 *) sent);
354 hdev->discov_timeout = 0;
358 if (param & SCAN_INQUIRY)
359 set_bit(HCI_ISCAN, &hdev->flags);
361 clear_bit(HCI_ISCAN, &hdev->flags);
363 if (param & SCAN_PAGE)
364 set_bit(HCI_PSCAN, &hdev->flags);
366 clear_bit(HCI_PSCAN, &hdev->flags);
369 hci_dev_unlock(hdev);
372 static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
374 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
376 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
381 memcpy(hdev->dev_class, rp->dev_class, 3);
383 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
384 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
387 static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
389 __u8 status = *((__u8 *) skb->data);
392 BT_DBG("%s status 0x%2.2x", hdev->name, status);
394 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
401 memcpy(hdev->dev_class, sent, 3);
403 if (test_bit(HCI_MGMT, &hdev->dev_flags))
404 mgmt_set_class_of_dev_complete(hdev, sent, status);
406 hci_dev_unlock(hdev);
409 static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
411 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
414 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
419 setting = __le16_to_cpu(rp->voice_setting);
421 if (hdev->voice_setting == setting)
424 hdev->voice_setting = setting;
426 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
429 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
432 static void hci_cc_write_voice_setting(struct hci_dev *hdev,
435 __u8 status = *((__u8 *) skb->data);
439 BT_DBG("%s status 0x%2.2x", hdev->name, status);
444 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
448 setting = get_unaligned_le16(sent);
450 if (hdev->voice_setting == setting)
453 hdev->voice_setting = setting;
455 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
458 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
461 static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
464 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
466 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
471 hdev->num_iac = rp->num_iac;
473 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
476 static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
478 __u8 status = *((__u8 *) skb->data);
479 struct hci_cp_write_ssp_mode *sent;
481 BT_DBG("%s status 0x%2.2x", hdev->name, status);
483 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
491 hdev->features[1][0] |= LMP_HOST_SSP;
493 hdev->features[1][0] &= ~LMP_HOST_SSP;
496 if (test_bit(HCI_MGMT, &hdev->dev_flags))
497 mgmt_ssp_enable_complete(hdev, sent->mode, status);
500 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
502 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
505 hci_dev_unlock(hdev);
508 static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
510 u8 status = *((u8 *) skb->data);
511 struct hci_cp_write_sc_support *sent;
513 BT_DBG("%s status 0x%2.2x", hdev->name, status);
515 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
523 hdev->features[1][0] |= LMP_HOST_SC;
525 hdev->features[1][0] &= ~LMP_HOST_SC;
528 if (!test_bit(HCI_MGMT, &hdev->dev_flags) && !status) {
530 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
532 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
535 hci_dev_unlock(hdev);
538 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
540 struct hci_rp_read_local_version *rp = (void *) skb->data;
542 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
547 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
548 test_bit(HCI_CONFIG, &hdev->dev_flags)) {
549 hdev->hci_ver = rp->hci_ver;
550 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
551 hdev->lmp_ver = rp->lmp_ver;
552 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
553 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
557 static void hci_cc_read_local_commands(struct hci_dev *hdev,
560 struct hci_rp_read_local_commands *rp = (void *) skb->data;
562 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
567 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
568 test_bit(HCI_CONFIG, &hdev->dev_flags))
569 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
572 static void hci_cc_read_local_features(struct hci_dev *hdev,
575 struct hci_rp_read_local_features *rp = (void *) skb->data;
577 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
582 memcpy(hdev->features, rp->features, 8);
584 /* Adjust default settings according to features
585 * supported by device. */
587 if (hdev->features[0][0] & LMP_3SLOT)
588 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
590 if (hdev->features[0][0] & LMP_5SLOT)
591 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
593 if (hdev->features[0][1] & LMP_HV2) {
594 hdev->pkt_type |= (HCI_HV2);
595 hdev->esco_type |= (ESCO_HV2);
598 if (hdev->features[0][1] & LMP_HV3) {
599 hdev->pkt_type |= (HCI_HV3);
600 hdev->esco_type |= (ESCO_HV3);
603 if (lmp_esco_capable(hdev))
604 hdev->esco_type |= (ESCO_EV3);
606 if (hdev->features[0][4] & LMP_EV4)
607 hdev->esco_type |= (ESCO_EV4);
609 if (hdev->features[0][4] & LMP_EV5)
610 hdev->esco_type |= (ESCO_EV5);
612 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
613 hdev->esco_type |= (ESCO_2EV3);
615 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
616 hdev->esco_type |= (ESCO_3EV3);
618 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
619 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
622 static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
625 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
627 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
632 if (hdev->max_page < rp->max_page)
633 hdev->max_page = rp->max_page;
635 if (rp->page < HCI_MAX_PAGES)
636 memcpy(hdev->features[rp->page], rp->features, 8);
639 static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
642 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
644 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
649 hdev->flow_ctl_mode = rp->mode;
652 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
654 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
656 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
661 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
662 hdev->sco_mtu = rp->sco_mtu;
663 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
664 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
666 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
671 hdev->acl_cnt = hdev->acl_pkts;
672 hdev->sco_cnt = hdev->sco_pkts;
674 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
675 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
678 static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
680 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
682 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
687 if (test_bit(HCI_INIT, &hdev->flags))
688 bacpy(&hdev->bdaddr, &rp->bdaddr);
690 if (test_bit(HCI_SETUP, &hdev->dev_flags))
691 bacpy(&hdev->setup_addr, &rp->bdaddr);
694 static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
697 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
699 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
704 if (test_bit(HCI_INIT, &hdev->flags)) {
705 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
706 hdev->page_scan_window = __le16_to_cpu(rp->window);
710 static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
713 u8 status = *((u8 *) skb->data);
714 struct hci_cp_write_page_scan_activity *sent;
716 BT_DBG("%s status 0x%2.2x", hdev->name, status);
721 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
725 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
726 hdev->page_scan_window = __le16_to_cpu(sent->window);
729 static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
732 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
734 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
739 if (test_bit(HCI_INIT, &hdev->flags))
740 hdev->page_scan_type = rp->type;
743 static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
746 u8 status = *((u8 *) skb->data);
749 BT_DBG("%s status 0x%2.2x", hdev->name, status);
754 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
756 hdev->page_scan_type = *type;
759 static void hci_cc_read_data_block_size(struct hci_dev *hdev,
762 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
764 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
769 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
770 hdev->block_len = __le16_to_cpu(rp->block_len);
771 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
773 hdev->block_cnt = hdev->num_blocks;
775 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
776 hdev->block_cnt, hdev->block_len);
779 static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
781 struct hci_rp_read_clock *rp = (void *) skb->data;
782 struct hci_cp_read_clock *cp;
783 struct hci_conn *conn;
785 BT_DBG("%s", hdev->name);
787 if (skb->len < sizeof(*rp))
795 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
799 if (cp->which == 0x00) {
800 hdev->clock = le32_to_cpu(rp->clock);
804 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
806 conn->clock = le32_to_cpu(rp->clock);
807 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
811 hci_dev_unlock(hdev);
814 static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
817 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
819 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
824 hdev->amp_status = rp->amp_status;
825 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
826 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
827 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
828 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
829 hdev->amp_type = rp->amp_type;
830 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
831 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
832 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
833 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
836 a2mp_send_getinfo_rsp(hdev);
839 static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
842 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
843 struct amp_assoc *assoc = &hdev->loc_assoc;
844 size_t rem_len, frag_len;
846 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
851 frag_len = skb->len - sizeof(*rp);
852 rem_len = __le16_to_cpu(rp->rem_len);
854 if (rem_len > frag_len) {
855 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
857 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
858 assoc->offset += frag_len;
860 /* Read other fragments */
861 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
866 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
867 assoc->len = assoc->offset + rem_len;
871 /* Send A2MP Rsp when all fragments are received */
872 a2mp_send_getampassoc_rsp(hdev, rp->status);
873 a2mp_send_create_phy_link_req(hdev, rp->status);
876 static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
879 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
881 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
886 hdev->inq_tx_power = rp->tx_power;
889 static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
891 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
892 struct hci_cp_pin_code_reply *cp;
893 struct hci_conn *conn;
895 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
899 if (test_bit(HCI_MGMT, &hdev->dev_flags))
900 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
905 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
909 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
911 conn->pin_length = cp->pin_len;
914 hci_dev_unlock(hdev);
917 static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
919 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
921 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
925 if (test_bit(HCI_MGMT, &hdev->dev_flags))
926 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
929 hci_dev_unlock(hdev);
932 static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
935 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
937 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
942 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
943 hdev->le_pkts = rp->le_max_pkt;
945 hdev->le_cnt = hdev->le_pkts;
947 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
950 static void hci_cc_le_read_local_features(struct hci_dev *hdev,
953 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
955 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
960 memcpy(hdev->le_features, rp->features, 8);
963 static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
966 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
968 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
973 hdev->adv_tx_power = rp->tx_power;
976 static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
978 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
980 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
984 if (test_bit(HCI_MGMT, &hdev->dev_flags))
985 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
988 hci_dev_unlock(hdev);
991 static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
994 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
996 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1000 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1001 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
1002 ACL_LINK, 0, rp->status);
1004 hci_dev_unlock(hdev);
1007 static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
1009 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1011 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1015 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1016 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
1019 hci_dev_unlock(hdev);
1022 static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
1023 struct sk_buff *skb)
1025 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1027 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1031 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1032 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
1033 ACL_LINK, 0, rp->status);
1035 hci_dev_unlock(hdev);
1038 static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
1039 struct sk_buff *skb)
1041 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1043 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1046 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->rand, NULL, NULL,
1048 hci_dev_unlock(hdev);
1051 static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1052 struct sk_buff *skb)
1054 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1056 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1059 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->rand192,
1060 rp->hash256, rp->rand256,
1062 hci_dev_unlock(hdev);
1066 static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1068 __u8 status = *((__u8 *) skb->data);
1071 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1076 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1082 bacpy(&hdev->random_addr, sent);
1084 hci_dev_unlock(hdev);
1087 static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1089 __u8 *sent, status = *((__u8 *) skb->data);
1091 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1096 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1102 /* If we're doing connection initiation as peripheral. Set a
1103 * timeout in case something goes wrong.
1106 struct hci_conn *conn;
1108 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1110 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1112 queue_delayed_work(hdev->workqueue,
1113 &conn->le_conn_timeout,
1114 conn->conn_timeout);
1116 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
1119 hci_dev_unlock(hdev);
1122 static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1124 struct hci_cp_le_set_scan_param *cp;
1125 __u8 status = *((__u8 *) skb->data);
1127 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1132 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1138 hdev->le_scan_type = cp->type;
1140 hci_dev_unlock(hdev);
1143 static bool has_pending_adv_report(struct hci_dev *hdev)
1145 struct discovery_state *d = &hdev->discovery;
1147 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1150 static void clear_pending_adv_report(struct hci_dev *hdev)
1152 struct discovery_state *d = &hdev->discovery;
1154 bacpy(&d->last_adv_addr, BDADDR_ANY);
1155 d->last_adv_data_len = 0;
1158 static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
1159 u8 bdaddr_type, s8 rssi, u32 flags,
1162 struct discovery_state *d = &hdev->discovery;
1164 bacpy(&d->last_adv_addr, bdaddr);
1165 d->last_adv_addr_type = bdaddr_type;
1166 d->last_adv_rssi = rssi;
1167 d->last_adv_flags = flags;
1168 memcpy(d->last_adv_data, data, len);
1169 d->last_adv_data_len = len;
1172 static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
1173 struct sk_buff *skb)
1175 struct hci_cp_le_set_scan_enable *cp;
1176 __u8 status = *((__u8 *) skb->data);
1178 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1183 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1189 switch (cp->enable) {
1190 case LE_SCAN_ENABLE:
1191 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
1192 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1193 clear_pending_adv_report(hdev);
1196 case LE_SCAN_DISABLE:
1197 /* We do this here instead of when setting DISCOVERY_STOPPED
1198 * since the latter would potentially require waiting for
1199 * inquiry to stop too.
1201 if (has_pending_adv_report(hdev)) {
1202 struct discovery_state *d = &hdev->discovery;
1204 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
1205 d->last_adv_addr_type, NULL,
1206 d->last_adv_rssi, d->last_adv_flags,
1208 d->last_adv_data_len, NULL, 0);
1211 /* Cancel this timer so that we don't try to disable scanning
1212 * when it's already disabled.
1214 cancel_delayed_work(&hdev->le_scan_disable);
1216 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
1218 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1219 * interrupted scanning due to a connect request. Mark
1220 * therefore discovery as stopped. If this was not
1221 * because of a connect request advertising might have
1222 * been disabled because of active scanning, so
1223 * re-enable it again if necessary.
1225 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1227 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1228 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
1229 hdev->discovery.state == DISCOVERY_FINDING)
1230 mgmt_reenable_advertising(hdev);
1235 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1239 hci_dev_unlock(hdev);
1242 static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1243 struct sk_buff *skb)
1245 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1247 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1252 hdev->le_white_list_size = rp->size;
1255 static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1256 struct sk_buff *skb)
1258 __u8 status = *((__u8 *) skb->data);
1260 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1265 hci_bdaddr_list_clear(&hdev->le_white_list);
1268 static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1269 struct sk_buff *skb)
1271 struct hci_cp_le_add_to_white_list *sent;
1272 __u8 status = *((__u8 *) skb->data);
1274 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1279 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1283 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1287 static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1288 struct sk_buff *skb)
1290 struct hci_cp_le_del_from_white_list *sent;
1291 __u8 status = *((__u8 *) skb->data);
1293 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1298 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1302 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1306 static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1307 struct sk_buff *skb)
1309 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1311 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1316 memcpy(hdev->le_states, rp->le_states, 8);
1319 static void hci_cc_le_read_def_data_len(struct hci_dev *hdev,
1320 struct sk_buff *skb)
1322 struct hci_rp_le_read_def_data_len *rp = (void *) skb->data;
1324 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1329 hdev->le_def_tx_len = le16_to_cpu(rp->tx_len);
1330 hdev->le_def_tx_time = le16_to_cpu(rp->tx_time);
1333 static void hci_cc_le_write_def_data_len(struct hci_dev *hdev,
1334 struct sk_buff *skb)
1336 struct hci_cp_le_write_def_data_len *sent;
1337 __u8 status = *((__u8 *) skb->data);
1339 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1344 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN);
1348 hdev->le_def_tx_len = le16_to_cpu(sent->tx_len);
1349 hdev->le_def_tx_time = le16_to_cpu(sent->tx_time);
1352 static void hci_cc_le_read_max_data_len(struct hci_dev *hdev,
1353 struct sk_buff *skb)
1355 struct hci_rp_le_read_max_data_len *rp = (void *) skb->data;
1357 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1362 hdev->le_max_tx_len = le16_to_cpu(rp->tx_len);
1363 hdev->le_max_tx_time = le16_to_cpu(rp->tx_time);
1364 hdev->le_max_rx_len = le16_to_cpu(rp->rx_len);
1365 hdev->le_max_rx_time = le16_to_cpu(rp->rx_time);
1368 static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1369 struct sk_buff *skb)
1371 struct hci_cp_write_le_host_supported *sent;
1372 __u8 status = *((__u8 *) skb->data);
1374 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1379 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
1386 hdev->features[1][0] |= LMP_HOST_LE;
1387 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1389 hdev->features[1][0] &= ~LMP_HOST_LE;
1390 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1391 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
1395 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1397 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
1399 hci_dev_unlock(hdev);
1402 static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1404 struct hci_cp_le_set_adv_param *cp;
1405 u8 status = *((u8 *) skb->data);
1407 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1412 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1417 hdev->adv_addr_type = cp->own_address_type;
1418 hci_dev_unlock(hdev);
1421 static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1422 struct sk_buff *skb)
1424 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1426 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1427 hdev->name, rp->status, rp->phy_handle);
1432 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1435 static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1437 struct hci_rp_read_rssi *rp = (void *) skb->data;
1438 struct hci_conn *conn;
1440 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1447 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1449 conn->rssi = rp->rssi;
1451 hci_dev_unlock(hdev);
1454 static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1456 struct hci_cp_read_tx_power *sent;
1457 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1458 struct hci_conn *conn;
1460 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1465 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1471 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1475 switch (sent->type) {
1477 conn->tx_power = rp->tx_power;
1480 conn->max_tx_power = rp->tx_power;
1485 hci_dev_unlock(hdev);
1488 static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1490 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1493 hci_conn_check_pending(hdev);
1497 set_bit(HCI_INQUIRY, &hdev->flags);
1500 static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1502 struct hci_cp_create_conn *cp;
1503 struct hci_conn *conn;
1505 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1507 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1513 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1515 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1518 if (conn && conn->state == BT_CONNECT) {
1519 if (status != 0x0c || conn->attempt > 2) {
1520 conn->state = BT_CLOSED;
1521 hci_proto_connect_cfm(conn, status);
1524 conn->state = BT_CONNECT2;
1528 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1531 BT_ERR("No memory for new connection");
1535 hci_dev_unlock(hdev);
1538 static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1540 struct hci_cp_add_sco *cp;
1541 struct hci_conn *acl, *sco;
1544 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1549 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1553 handle = __le16_to_cpu(cp->handle);
1555 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1559 acl = hci_conn_hash_lookup_handle(hdev, handle);
1563 sco->state = BT_CLOSED;
1565 hci_proto_connect_cfm(sco, status);
1570 hci_dev_unlock(hdev);
1573 static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1575 struct hci_cp_auth_requested *cp;
1576 struct hci_conn *conn;
1578 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1583 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1589 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1591 if (conn->state == BT_CONFIG) {
1592 hci_proto_connect_cfm(conn, status);
1593 hci_conn_drop(conn);
1597 hci_dev_unlock(hdev);
1600 static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1602 struct hci_cp_set_conn_encrypt *cp;
1603 struct hci_conn *conn;
1605 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1610 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1616 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1618 if (conn->state == BT_CONFIG) {
1619 hci_proto_connect_cfm(conn, status);
1620 hci_conn_drop(conn);
1624 hci_dev_unlock(hdev);
1627 static int hci_outgoing_auth_needed(struct hci_dev *hdev,
1628 struct hci_conn *conn)
1630 if (conn->state != BT_CONFIG || !conn->out)
1633 if (conn->pending_sec_level == BT_SECURITY_SDP)
1636 /* Only request authentication for SSP connections or non-SSP
1637 * devices with sec_level MEDIUM or HIGH or if MITM protection
1640 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
1641 conn->pending_sec_level != BT_SECURITY_FIPS &&
1642 conn->pending_sec_level != BT_SECURITY_HIGH &&
1643 conn->pending_sec_level != BT_SECURITY_MEDIUM)
1649 static int hci_resolve_name(struct hci_dev *hdev,
1650 struct inquiry_entry *e)
1652 struct hci_cp_remote_name_req cp;
1654 memset(&cp, 0, sizeof(cp));
1656 bacpy(&cp.bdaddr, &e->data.bdaddr);
1657 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1658 cp.pscan_mode = e->data.pscan_mode;
1659 cp.clock_offset = e->data.clock_offset;
1661 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1664 static bool hci_resolve_next_name(struct hci_dev *hdev)
1666 struct discovery_state *discov = &hdev->discovery;
1667 struct inquiry_entry *e;
1669 if (list_empty(&discov->resolve))
1672 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1676 if (hci_resolve_name(hdev, e) == 0) {
1677 e->name_state = NAME_PENDING;
1684 static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
1685 bdaddr_t *bdaddr, u8 *name, u8 name_len)
1687 struct discovery_state *discov = &hdev->discovery;
1688 struct inquiry_entry *e;
1690 /* Update the mgmt connected state if necessary. Be careful with
1691 * conn objects that exist but are not (yet) connected however.
1692 * Only those in BT_CONFIG or BT_CONNECTED states can be
1693 * considered connected.
1696 (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) &&
1697 !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
1698 mgmt_device_connected(hdev, conn, 0, name, name_len);
1700 if (discov->state == DISCOVERY_STOPPED)
1703 if (discov->state == DISCOVERY_STOPPING)
1704 goto discov_complete;
1706 if (discov->state != DISCOVERY_RESOLVING)
1709 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
1710 /* If the device was not found in a list of found devices names of which
1711 * are pending. there is no need to continue resolving a next name as it
1712 * will be done upon receiving another Remote Name Request Complete
1719 e->name_state = NAME_KNOWN;
1720 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1721 e->data.rssi, name, name_len);
1723 e->name_state = NAME_NOT_KNOWN;
1726 if (hci_resolve_next_name(hdev))
1730 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1733 static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1735 struct hci_cp_remote_name_req *cp;
1736 struct hci_conn *conn;
1738 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1740 /* If successful wait for the name req complete event before
1741 * checking for the need to do authentication */
1745 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1751 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1753 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1754 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
1759 if (!hci_outgoing_auth_needed(hdev, conn))
1762 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1763 struct hci_cp_auth_requested auth_cp;
1765 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1767 auth_cp.handle = __cpu_to_le16(conn->handle);
1768 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1769 sizeof(auth_cp), &auth_cp);
1773 hci_dev_unlock(hdev);
1776 static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1778 struct hci_cp_read_remote_features *cp;
1779 struct hci_conn *conn;
1781 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1786 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1792 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1794 if (conn->state == BT_CONFIG) {
1795 hci_proto_connect_cfm(conn, status);
1796 hci_conn_drop(conn);
1800 hci_dev_unlock(hdev);
1803 static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1805 struct hci_cp_read_remote_ext_features *cp;
1806 struct hci_conn *conn;
1808 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1813 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1819 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1821 if (conn->state == BT_CONFIG) {
1822 hci_proto_connect_cfm(conn, status);
1823 hci_conn_drop(conn);
1827 hci_dev_unlock(hdev);
1830 static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1832 struct hci_cp_setup_sync_conn *cp;
1833 struct hci_conn *acl, *sco;
1836 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1841 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1845 handle = __le16_to_cpu(cp->handle);
1847 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1851 acl = hci_conn_hash_lookup_handle(hdev, handle);
1855 sco->state = BT_CLOSED;
1857 hci_proto_connect_cfm(sco, status);
1862 hci_dev_unlock(hdev);
1865 static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1867 struct hci_cp_sniff_mode *cp;
1868 struct hci_conn *conn;
1870 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1875 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1881 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1883 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1885 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1886 hci_sco_setup(conn, status);
1889 hci_dev_unlock(hdev);
1892 static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1894 struct hci_cp_exit_sniff_mode *cp;
1895 struct hci_conn *conn;
1897 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1902 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1908 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1910 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1912 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1913 hci_sco_setup(conn, status);
1916 hci_dev_unlock(hdev);
1919 static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1921 struct hci_cp_disconnect *cp;
1922 struct hci_conn *conn;
1927 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1933 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1935 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
1936 conn->dst_type, status);
1938 hci_dev_unlock(hdev);
1941 static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1943 struct hci_cp_create_phy_link *cp;
1945 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1947 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1954 struct hci_conn *hcon;
1956 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1960 amp_write_remote_assoc(hdev, cp->phy_handle);
1963 hci_dev_unlock(hdev);
1966 static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1968 struct hci_cp_accept_phy_link *cp;
1970 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1975 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1979 amp_write_remote_assoc(hdev, cp->phy_handle);
1982 static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1984 struct hci_cp_le_create_conn *cp;
1985 struct hci_conn *conn;
1987 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1989 /* All connection failure handling is taken care of by the
1990 * hci_le_conn_failed function which is triggered by the HCI
1991 * request completion callbacks used for connecting.
1996 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
2002 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
2006 /* Store the initiator and responder address information which
2007 * is needed for SMP. These values will not change during the
2008 * lifetime of the connection.
2010 conn->init_addr_type = cp->own_address_type;
2011 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
2012 bacpy(&conn->init_addr, &hdev->random_addr);
2014 bacpy(&conn->init_addr, &hdev->bdaddr);
2016 conn->resp_addr_type = cp->peer_addr_type;
2017 bacpy(&conn->resp_addr, &cp->peer_addr);
2019 /* We don't want the connection attempt to stick around
2020 * indefinitely since LE doesn't have a page timeout concept
2021 * like BR/EDR. Set a timer for any connection that doesn't use
2022 * the white list for connecting.
2024 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
2025 queue_delayed_work(conn->hdev->workqueue,
2026 &conn->le_conn_timeout,
2027 conn->conn_timeout);
2030 hci_dev_unlock(hdev);
2033 static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
2035 struct hci_cp_le_start_enc *cp;
2036 struct hci_conn *conn;
2038 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2045 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
2049 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
2053 if (conn->state != BT_CONNECTED)
2056 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2057 hci_conn_drop(conn);
2060 hci_dev_unlock(hdev);
2063 static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
2065 struct hci_cp_switch_role *cp;
2066 struct hci_conn *conn;
2068 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2073 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
2079 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
2081 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2083 hci_dev_unlock(hdev);
2086 static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2088 __u8 status = *((__u8 *) skb->data);
2089 struct discovery_state *discov = &hdev->discovery;
2090 struct inquiry_entry *e;
2092 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2094 hci_conn_check_pending(hdev);
2096 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
2099 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
2100 wake_up_bit(&hdev->flags, HCI_INQUIRY);
2102 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2107 if (discov->state != DISCOVERY_FINDING)
2110 if (list_empty(&discov->resolve)) {
2111 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2115 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2116 if (e && hci_resolve_name(hdev, e) == 0) {
2117 e->name_state = NAME_PENDING;
2118 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2120 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2124 hci_dev_unlock(hdev);
2127 static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
2129 struct inquiry_data data;
2130 struct inquiry_info *info = (void *) (skb->data + 1);
2131 int num_rsp = *((__u8 *) skb->data);
2133 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2138 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2143 for (; num_rsp; num_rsp--, info++) {
2146 bacpy(&data.bdaddr, &info->bdaddr);
2147 data.pscan_rep_mode = info->pscan_rep_mode;
2148 data.pscan_period_mode = info->pscan_period_mode;
2149 data.pscan_mode = info->pscan_mode;
2150 memcpy(data.dev_class, info->dev_class, 3);
2151 data.clock_offset = info->clock_offset;
2152 data.rssi = HCI_RSSI_INVALID;
2153 data.ssp_mode = 0x00;
2155 flags = hci_inquiry_cache_update(hdev, &data, false);
2157 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2158 info->dev_class, HCI_RSSI_INVALID,
2159 flags, NULL, 0, NULL, 0);
2162 hci_dev_unlock(hdev);
2165 static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2167 struct hci_ev_conn_complete *ev = (void *) skb->data;
2168 struct hci_conn *conn;
2170 BT_DBG("%s", hdev->name);
2174 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
2176 if (ev->link_type != SCO_LINK)
2179 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2183 conn->type = SCO_LINK;
2187 conn->handle = __le16_to_cpu(ev->handle);
2189 if (conn->type == ACL_LINK) {
2190 conn->state = BT_CONFIG;
2191 hci_conn_hold(conn);
2193 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2194 !hci_find_link_key(hdev, &ev->bdaddr))
2195 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2197 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2199 conn->state = BT_CONNECTED;
2201 hci_debugfs_create_conn(conn);
2202 hci_conn_add_sysfs(conn);
2204 if (test_bit(HCI_AUTH, &hdev->flags))
2205 set_bit(HCI_CONN_AUTH, &conn->flags);
2207 if (test_bit(HCI_ENCRYPT, &hdev->flags))
2208 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
2210 /* Get remote features */
2211 if (conn->type == ACL_LINK) {
2212 struct hci_cp_read_remote_features cp;
2213 cp.handle = ev->handle;
2214 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
2217 hci_update_page_scan(hdev);
2220 /* Set packet type for incoming connection */
2221 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
2222 struct hci_cp_change_conn_ptype cp;
2223 cp.handle = ev->handle;
2224 cp.pkt_type = cpu_to_le16(conn->pkt_type);
2225 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2229 conn->state = BT_CLOSED;
2230 if (conn->type == ACL_LINK)
2231 mgmt_connect_failed(hdev, &conn->dst, conn->type,
2232 conn->dst_type, ev->status);
2235 if (conn->type == ACL_LINK)
2236 hci_sco_setup(conn, ev->status);
2239 hci_proto_connect_cfm(conn, ev->status);
2241 } else if (ev->link_type != ACL_LINK)
2242 hci_proto_connect_cfm(conn, ev->status);
2245 hci_dev_unlock(hdev);
2247 hci_conn_check_pending(hdev);
2250 static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2252 struct hci_cp_reject_conn_req cp;
2254 bacpy(&cp.bdaddr, bdaddr);
2255 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2256 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2259 static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2261 struct hci_ev_conn_request *ev = (void *) skb->data;
2262 int mask = hdev->link_mode;
2263 struct inquiry_entry *ie;
2264 struct hci_conn *conn;
2267 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
2270 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2273 if (!(mask & HCI_LM_ACCEPT)) {
2274 hci_reject_conn(hdev, &ev->bdaddr);
2278 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2280 hci_reject_conn(hdev, &ev->bdaddr);
2284 /* Require HCI_CONNECTABLE or a whitelist entry to accept the
2285 * connection. These features are only touched through mgmt so
2286 * only do the checks if HCI_MGMT is set.
2288 if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
2289 !test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2290 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2292 hci_reject_conn(hdev, &ev->bdaddr);
2296 /* Connection accepted */
2300 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2302 memcpy(ie->data.dev_class, ev->dev_class, 3);
2304 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2307 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2310 BT_ERR("No memory for new connection");
2311 hci_dev_unlock(hdev);
2316 memcpy(conn->dev_class, ev->dev_class, 3);
2318 hci_dev_unlock(hdev);
2320 if (ev->link_type == ACL_LINK ||
2321 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2322 struct hci_cp_accept_conn_req cp;
2323 conn->state = BT_CONNECT;
2325 bacpy(&cp.bdaddr, &ev->bdaddr);
2327 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2328 cp.role = 0x00; /* Become master */
2330 cp.role = 0x01; /* Remain slave */
2332 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2333 } else if (!(flags & HCI_PROTO_DEFER)) {
2334 struct hci_cp_accept_sync_conn_req cp;
2335 conn->state = BT_CONNECT;
2337 bacpy(&cp.bdaddr, &ev->bdaddr);
2338 cp.pkt_type = cpu_to_le16(conn->pkt_type);
2340 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2341 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2342 cp.max_latency = cpu_to_le16(0xffff);
2343 cp.content_format = cpu_to_le16(hdev->voice_setting);
2344 cp.retrans_effort = 0xff;
2346 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2349 conn->state = BT_CONNECT2;
2350 hci_proto_connect_cfm(conn, 0);
2354 static u8 hci_to_mgmt_reason(u8 err)
2357 case HCI_ERROR_CONNECTION_TIMEOUT:
2358 return MGMT_DEV_DISCONN_TIMEOUT;
2359 case HCI_ERROR_REMOTE_USER_TERM:
2360 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2361 case HCI_ERROR_REMOTE_POWER_OFF:
2362 return MGMT_DEV_DISCONN_REMOTE;
2363 case HCI_ERROR_LOCAL_HOST_TERM:
2364 return MGMT_DEV_DISCONN_LOCAL_HOST;
2366 return MGMT_DEV_DISCONN_UNKNOWN;
2370 static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2372 struct hci_ev_disconn_complete *ev = (void *) skb->data;
2373 u8 reason = hci_to_mgmt_reason(ev->reason);
2374 struct hci_conn_params *params;
2375 struct hci_conn *conn;
2376 bool mgmt_connected;
2379 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2383 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2388 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2389 conn->dst_type, ev->status);
2393 conn->state = BT_CLOSED;
2395 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2396 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2397 reason, mgmt_connected);
2399 if (conn->type == ACL_LINK) {
2400 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2401 hci_remove_link_key(hdev, &conn->dst);
2403 hci_update_page_scan(hdev);
2406 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2408 switch (params->auto_connect) {
2409 case HCI_AUTO_CONN_LINK_LOSS:
2410 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2414 case HCI_AUTO_CONN_DIRECT:
2415 case HCI_AUTO_CONN_ALWAYS:
2416 list_del_init(¶ms->action);
2417 list_add(¶ms->action, &hdev->pend_le_conns);
2418 hci_update_background_scan(hdev);
2428 hci_proto_disconn_cfm(conn, ev->reason);
2431 /* Re-enable advertising if necessary, since it might
2432 * have been disabled by the connection. From the
2433 * HCI_LE_Set_Advertise_Enable command description in
2434 * the core specification (v4.0):
2435 * "The Controller shall continue advertising until the Host
2436 * issues an LE_Set_Advertise_Enable command with
2437 * Advertising_Enable set to 0x00 (Advertising is disabled)
2438 * or until a connection is created or until the Advertising
2439 * is timed out due to Directed Advertising."
2441 if (type == LE_LINK)
2442 mgmt_reenable_advertising(hdev);
2445 hci_dev_unlock(hdev);
2448 static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2450 struct hci_ev_auth_complete *ev = (void *) skb->data;
2451 struct hci_conn *conn;
2453 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2457 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2462 if (!hci_conn_ssp_enabled(conn) &&
2463 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
2464 BT_INFO("re-auth of legacy device is not possible.");
2466 set_bit(HCI_CONN_AUTH, &conn->flags);
2467 conn->sec_level = conn->pending_sec_level;
2470 mgmt_auth_failed(conn, ev->status);
2473 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2474 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
2476 if (conn->state == BT_CONFIG) {
2477 if (!ev->status && hci_conn_ssp_enabled(conn)) {
2478 struct hci_cp_set_conn_encrypt cp;
2479 cp.handle = ev->handle;
2481 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2484 conn->state = BT_CONNECTED;
2485 hci_proto_connect_cfm(conn, ev->status);
2486 hci_conn_drop(conn);
2489 hci_auth_cfm(conn, ev->status);
2491 hci_conn_hold(conn);
2492 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2493 hci_conn_drop(conn);
2496 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
2498 struct hci_cp_set_conn_encrypt cp;
2499 cp.handle = ev->handle;
2501 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2504 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2505 hci_encrypt_cfm(conn, ev->status, 0x00);
2510 hci_dev_unlock(hdev);
2513 static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
2515 struct hci_ev_remote_name *ev = (void *) skb->data;
2516 struct hci_conn *conn;
2518 BT_DBG("%s", hdev->name);
2520 hci_conn_check_pending(hdev);
2524 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2526 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2529 if (ev->status == 0)
2530 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
2531 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
2533 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2539 if (!hci_outgoing_auth_needed(hdev, conn))
2542 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
2543 struct hci_cp_auth_requested cp;
2545 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2547 cp.handle = __cpu_to_le16(conn->handle);
2548 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2552 hci_dev_unlock(hdev);
2555 static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2557 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2558 struct hci_conn *conn;
2560 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2564 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2570 /* Encryption implies authentication */
2571 set_bit(HCI_CONN_AUTH, &conn->flags);
2572 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
2573 conn->sec_level = conn->pending_sec_level;
2575 /* P-256 authentication key implies FIPS */
2576 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
2577 set_bit(HCI_CONN_FIPS, &conn->flags);
2579 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2580 conn->type == LE_LINK)
2581 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2583 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
2584 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2588 /* We should disregard the current RPA and generate a new one
2589 * whenever the encryption procedure fails.
2591 if (ev->status && conn->type == LE_LINK)
2592 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
2594 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2596 if (ev->status && conn->state == BT_CONNECTED) {
2597 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2598 hci_conn_drop(conn);
2602 if (conn->state == BT_CONFIG) {
2604 conn->state = BT_CONNECTED;
2606 /* In Secure Connections Only mode, do not allow any
2607 * connections that are not encrypted with AES-CCM
2608 * using a P-256 authenticated combination key.
2610 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2611 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2612 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2613 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2614 hci_conn_drop(conn);
2618 hci_proto_connect_cfm(conn, ev->status);
2619 hci_conn_drop(conn);
2621 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2624 hci_dev_unlock(hdev);
2627 static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2628 struct sk_buff *skb)
2630 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
2631 struct hci_conn *conn;
2633 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2637 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2640 set_bit(HCI_CONN_SECURE, &conn->flags);
2642 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2644 hci_key_change_cfm(conn, ev->status);
2647 hci_dev_unlock(hdev);
2650 static void hci_remote_features_evt(struct hci_dev *hdev,
2651 struct sk_buff *skb)
2653 struct hci_ev_remote_features *ev = (void *) skb->data;
2654 struct hci_conn *conn;
2656 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2660 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2665 memcpy(conn->features[0], ev->features, 8);
2667 if (conn->state != BT_CONFIG)
2670 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2671 struct hci_cp_read_remote_ext_features cp;
2672 cp.handle = ev->handle;
2674 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
2679 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2680 struct hci_cp_remote_name_req cp;
2681 memset(&cp, 0, sizeof(cp));
2682 bacpy(&cp.bdaddr, &conn->dst);
2683 cp.pscan_rep_mode = 0x02;
2684 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2685 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2686 mgmt_device_connected(hdev, conn, 0, NULL, 0);
2688 if (!hci_outgoing_auth_needed(hdev, conn)) {
2689 conn->state = BT_CONNECTED;
2690 hci_proto_connect_cfm(conn, ev->status);
2691 hci_conn_drop(conn);
2695 hci_dev_unlock(hdev);
2698 static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2700 struct hci_ev_cmd_complete *ev = (void *) skb->data;
2701 u8 status = skb->data[sizeof(*ev)];
2704 skb_pull(skb, sizeof(*ev));
2706 opcode = __le16_to_cpu(ev->opcode);
2709 case HCI_OP_INQUIRY_CANCEL:
2710 hci_cc_inquiry_cancel(hdev, skb);
2713 case HCI_OP_PERIODIC_INQ:
2714 hci_cc_periodic_inq(hdev, skb);
2717 case HCI_OP_EXIT_PERIODIC_INQ:
2718 hci_cc_exit_periodic_inq(hdev, skb);
2721 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2722 hci_cc_remote_name_req_cancel(hdev, skb);
2725 case HCI_OP_ROLE_DISCOVERY:
2726 hci_cc_role_discovery(hdev, skb);
2729 case HCI_OP_READ_LINK_POLICY:
2730 hci_cc_read_link_policy(hdev, skb);
2733 case HCI_OP_WRITE_LINK_POLICY:
2734 hci_cc_write_link_policy(hdev, skb);
2737 case HCI_OP_READ_DEF_LINK_POLICY:
2738 hci_cc_read_def_link_policy(hdev, skb);
2741 case HCI_OP_WRITE_DEF_LINK_POLICY:
2742 hci_cc_write_def_link_policy(hdev, skb);
2746 hci_cc_reset(hdev, skb);
2749 case HCI_OP_READ_STORED_LINK_KEY:
2750 hci_cc_read_stored_link_key(hdev, skb);
2753 case HCI_OP_DELETE_STORED_LINK_KEY:
2754 hci_cc_delete_stored_link_key(hdev, skb);
2757 case HCI_OP_WRITE_LOCAL_NAME:
2758 hci_cc_write_local_name(hdev, skb);
2761 case HCI_OP_READ_LOCAL_NAME:
2762 hci_cc_read_local_name(hdev, skb);
2765 case HCI_OP_WRITE_AUTH_ENABLE:
2766 hci_cc_write_auth_enable(hdev, skb);
2769 case HCI_OP_WRITE_ENCRYPT_MODE:
2770 hci_cc_write_encrypt_mode(hdev, skb);
2773 case HCI_OP_WRITE_SCAN_ENABLE:
2774 hci_cc_write_scan_enable(hdev, skb);
2777 case HCI_OP_READ_CLASS_OF_DEV:
2778 hci_cc_read_class_of_dev(hdev, skb);
2781 case HCI_OP_WRITE_CLASS_OF_DEV:
2782 hci_cc_write_class_of_dev(hdev, skb);
2785 case HCI_OP_READ_VOICE_SETTING:
2786 hci_cc_read_voice_setting(hdev, skb);
2789 case HCI_OP_WRITE_VOICE_SETTING:
2790 hci_cc_write_voice_setting(hdev, skb);
2793 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2794 hci_cc_read_num_supported_iac(hdev, skb);
2797 case HCI_OP_WRITE_SSP_MODE:
2798 hci_cc_write_ssp_mode(hdev, skb);
2801 case HCI_OP_WRITE_SC_SUPPORT:
2802 hci_cc_write_sc_support(hdev, skb);
2805 case HCI_OP_READ_LOCAL_VERSION:
2806 hci_cc_read_local_version(hdev, skb);
2809 case HCI_OP_READ_LOCAL_COMMANDS:
2810 hci_cc_read_local_commands(hdev, skb);
2813 case HCI_OP_READ_LOCAL_FEATURES:
2814 hci_cc_read_local_features(hdev, skb);
2817 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2818 hci_cc_read_local_ext_features(hdev, skb);
2821 case HCI_OP_READ_BUFFER_SIZE:
2822 hci_cc_read_buffer_size(hdev, skb);
2825 case HCI_OP_READ_BD_ADDR:
2826 hci_cc_read_bd_addr(hdev, skb);
2829 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2830 hci_cc_read_page_scan_activity(hdev, skb);
2833 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2834 hci_cc_write_page_scan_activity(hdev, skb);
2837 case HCI_OP_READ_PAGE_SCAN_TYPE:
2838 hci_cc_read_page_scan_type(hdev, skb);
2841 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2842 hci_cc_write_page_scan_type(hdev, skb);
2845 case HCI_OP_READ_DATA_BLOCK_SIZE:
2846 hci_cc_read_data_block_size(hdev, skb);
2849 case HCI_OP_READ_FLOW_CONTROL_MODE:
2850 hci_cc_read_flow_control_mode(hdev, skb);
2853 case HCI_OP_READ_LOCAL_AMP_INFO:
2854 hci_cc_read_local_amp_info(hdev, skb);
2857 case HCI_OP_READ_CLOCK:
2858 hci_cc_read_clock(hdev, skb);
2861 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2862 hci_cc_read_local_amp_assoc(hdev, skb);
2865 case HCI_OP_READ_INQ_RSP_TX_POWER:
2866 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2869 case HCI_OP_PIN_CODE_REPLY:
2870 hci_cc_pin_code_reply(hdev, skb);
2873 case HCI_OP_PIN_CODE_NEG_REPLY:
2874 hci_cc_pin_code_neg_reply(hdev, skb);
2877 case HCI_OP_READ_LOCAL_OOB_DATA:
2878 hci_cc_read_local_oob_data(hdev, skb);
2881 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2882 hci_cc_read_local_oob_ext_data(hdev, skb);
2885 case HCI_OP_LE_READ_BUFFER_SIZE:
2886 hci_cc_le_read_buffer_size(hdev, skb);
2889 case HCI_OP_LE_READ_LOCAL_FEATURES:
2890 hci_cc_le_read_local_features(hdev, skb);
2893 case HCI_OP_LE_READ_ADV_TX_POWER:
2894 hci_cc_le_read_adv_tx_power(hdev, skb);
2897 case HCI_OP_USER_CONFIRM_REPLY:
2898 hci_cc_user_confirm_reply(hdev, skb);
2901 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2902 hci_cc_user_confirm_neg_reply(hdev, skb);
2905 case HCI_OP_USER_PASSKEY_REPLY:
2906 hci_cc_user_passkey_reply(hdev, skb);
2909 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2910 hci_cc_user_passkey_neg_reply(hdev, skb);
2913 case HCI_OP_LE_SET_RANDOM_ADDR:
2914 hci_cc_le_set_random_addr(hdev, skb);
2917 case HCI_OP_LE_SET_ADV_ENABLE:
2918 hci_cc_le_set_adv_enable(hdev, skb);
2921 case HCI_OP_LE_SET_SCAN_PARAM:
2922 hci_cc_le_set_scan_param(hdev, skb);
2925 case HCI_OP_LE_SET_SCAN_ENABLE:
2926 hci_cc_le_set_scan_enable(hdev, skb);
2929 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2930 hci_cc_le_read_white_list_size(hdev, skb);
2933 case HCI_OP_LE_CLEAR_WHITE_LIST:
2934 hci_cc_le_clear_white_list(hdev, skb);
2937 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2938 hci_cc_le_add_to_white_list(hdev, skb);
2941 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2942 hci_cc_le_del_from_white_list(hdev, skb);
2945 case HCI_OP_LE_READ_SUPPORTED_STATES:
2946 hci_cc_le_read_supported_states(hdev, skb);
2949 case HCI_OP_LE_READ_DEF_DATA_LEN:
2950 hci_cc_le_read_def_data_len(hdev, skb);
2953 case HCI_OP_LE_WRITE_DEF_DATA_LEN:
2954 hci_cc_le_write_def_data_len(hdev, skb);
2957 case HCI_OP_LE_READ_MAX_DATA_LEN:
2958 hci_cc_le_read_max_data_len(hdev, skb);
2961 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2962 hci_cc_write_le_host_supported(hdev, skb);
2965 case HCI_OP_LE_SET_ADV_PARAM:
2966 hci_cc_set_adv_param(hdev, skb);
2969 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2970 hci_cc_write_remote_amp_assoc(hdev, skb);
2973 case HCI_OP_READ_RSSI:
2974 hci_cc_read_rssi(hdev, skb);
2977 case HCI_OP_READ_TX_POWER:
2978 hci_cc_read_tx_power(hdev, skb);
2982 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2986 if (opcode != HCI_OP_NOP)
2987 cancel_delayed_work(&hdev->cmd_timer);
2989 hci_req_cmd_complete(hdev, opcode, status);
2991 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2992 atomic_set(&hdev->cmd_cnt, 1);
2993 if (!skb_queue_empty(&hdev->cmd_q))
2994 queue_work(hdev->workqueue, &hdev->cmd_work);
2998 static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
3000 struct hci_ev_cmd_status *ev = (void *) skb->data;
3003 skb_pull(skb, sizeof(*ev));
3005 opcode = __le16_to_cpu(ev->opcode);
3008 case HCI_OP_INQUIRY:
3009 hci_cs_inquiry(hdev, ev->status);
3012 case HCI_OP_CREATE_CONN:
3013 hci_cs_create_conn(hdev, ev->status);
3016 case HCI_OP_DISCONNECT:
3017 hci_cs_disconnect(hdev, ev->status);
3020 case HCI_OP_ADD_SCO:
3021 hci_cs_add_sco(hdev, ev->status);
3024 case HCI_OP_AUTH_REQUESTED:
3025 hci_cs_auth_requested(hdev, ev->status);
3028 case HCI_OP_SET_CONN_ENCRYPT:
3029 hci_cs_set_conn_encrypt(hdev, ev->status);
3032 case HCI_OP_REMOTE_NAME_REQ:
3033 hci_cs_remote_name_req(hdev, ev->status);
3036 case HCI_OP_READ_REMOTE_FEATURES:
3037 hci_cs_read_remote_features(hdev, ev->status);
3040 case HCI_OP_READ_REMOTE_EXT_FEATURES:
3041 hci_cs_read_remote_ext_features(hdev, ev->status);
3044 case HCI_OP_SETUP_SYNC_CONN:
3045 hci_cs_setup_sync_conn(hdev, ev->status);
3048 case HCI_OP_CREATE_PHY_LINK:
3049 hci_cs_create_phylink(hdev, ev->status);
3052 case HCI_OP_ACCEPT_PHY_LINK:
3053 hci_cs_accept_phylink(hdev, ev->status);
3056 case HCI_OP_SNIFF_MODE:
3057 hci_cs_sniff_mode(hdev, ev->status);
3060 case HCI_OP_EXIT_SNIFF_MODE:
3061 hci_cs_exit_sniff_mode(hdev, ev->status);
3064 case HCI_OP_SWITCH_ROLE:
3065 hci_cs_switch_role(hdev, ev->status);
3068 case HCI_OP_LE_CREATE_CONN:
3069 hci_cs_le_create_conn(hdev, ev->status);
3072 case HCI_OP_LE_START_ENC:
3073 hci_cs_le_start_enc(hdev, ev->status);
3077 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
3081 if (opcode != HCI_OP_NOP)
3082 cancel_delayed_work(&hdev->cmd_timer);
3085 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
3086 hci_req_cmd_complete(hdev, opcode, ev->status);
3088 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
3089 atomic_set(&hdev->cmd_cnt, 1);
3090 if (!skb_queue_empty(&hdev->cmd_q))
3091 queue_work(hdev->workqueue, &hdev->cmd_work);
3095 static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
3097 struct hci_ev_hardware_error *ev = (void *) skb->data;
3099 BT_ERR("%s hardware error 0x%2.2x", hdev->name, ev->code);
3102 static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3104 struct hci_ev_role_change *ev = (void *) skb->data;
3105 struct hci_conn *conn;
3107 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3111 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3114 conn->role = ev->role;
3116 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
3118 hci_role_switch_cfm(conn, ev->status, ev->role);
3121 hci_dev_unlock(hdev);
3124 static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
3126 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
3129 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3130 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3134 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
3135 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
3136 BT_DBG("%s bad parameters", hdev->name);
3140 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3142 for (i = 0; i < ev->num_hndl; i++) {
3143 struct hci_comp_pkts_info *info = &ev->handles[i];
3144 struct hci_conn *conn;
3145 __u16 handle, count;
3147 handle = __le16_to_cpu(info->handle);
3148 count = __le16_to_cpu(info->count);
3150 conn = hci_conn_hash_lookup_handle(hdev, handle);
3154 conn->sent -= count;
3156 switch (conn->type) {
3158 hdev->acl_cnt += count;
3159 if (hdev->acl_cnt > hdev->acl_pkts)
3160 hdev->acl_cnt = hdev->acl_pkts;
3164 if (hdev->le_pkts) {
3165 hdev->le_cnt += count;
3166 if (hdev->le_cnt > hdev->le_pkts)
3167 hdev->le_cnt = hdev->le_pkts;
3169 hdev->acl_cnt += count;
3170 if (hdev->acl_cnt > hdev->acl_pkts)
3171 hdev->acl_cnt = hdev->acl_pkts;
3176 hdev->sco_cnt += count;
3177 if (hdev->sco_cnt > hdev->sco_pkts)
3178 hdev->sco_cnt = hdev->sco_pkts;
3182 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3187 queue_work(hdev->workqueue, &hdev->tx_work);
3190 static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3193 struct hci_chan *chan;
3195 switch (hdev->dev_type) {
3197 return hci_conn_hash_lookup_handle(hdev, handle);
3199 chan = hci_chan_lookup_handle(hdev, handle);
3204 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3211 static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
3213 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3216 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3217 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3221 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
3222 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
3223 BT_DBG("%s bad parameters", hdev->name);
3227 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
3230 for (i = 0; i < ev->num_hndl; i++) {
3231 struct hci_comp_blocks_info *info = &ev->handles[i];
3232 struct hci_conn *conn = NULL;
3233 __u16 handle, block_count;
3235 handle = __le16_to_cpu(info->handle);
3236 block_count = __le16_to_cpu(info->blocks);
3238 conn = __hci_conn_lookup_handle(hdev, handle);
3242 conn->sent -= block_count;
3244 switch (conn->type) {
3247 hdev->block_cnt += block_count;
3248 if (hdev->block_cnt > hdev->num_blocks)
3249 hdev->block_cnt = hdev->num_blocks;
3253 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3258 queue_work(hdev->workqueue, &hdev->tx_work);
3261 static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3263 struct hci_ev_mode_change *ev = (void *) skb->data;
3264 struct hci_conn *conn;
3266 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3270 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3272 conn->mode = ev->mode;
3274 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3276 if (conn->mode == HCI_CM_ACTIVE)
3277 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
3279 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
3282 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
3283 hci_sco_setup(conn, ev->status);
3286 hci_dev_unlock(hdev);
3289 static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3291 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3292 struct hci_conn *conn;
3294 BT_DBG("%s", hdev->name);
3298 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3302 if (conn->state == BT_CONNECTED) {
3303 hci_conn_hold(conn);
3304 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
3305 hci_conn_drop(conn);
3308 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
3309 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
3310 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
3311 sizeof(ev->bdaddr), &ev->bdaddr);
3312 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
3315 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3320 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
3324 hci_dev_unlock(hdev);
3327 static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3329 if (key_type == HCI_LK_CHANGED_COMBINATION)
3332 conn->pin_length = pin_len;
3333 conn->key_type = key_type;
3336 case HCI_LK_LOCAL_UNIT:
3337 case HCI_LK_REMOTE_UNIT:
3338 case HCI_LK_DEBUG_COMBINATION:
3340 case HCI_LK_COMBINATION:
3342 conn->pending_sec_level = BT_SECURITY_HIGH;
3344 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3346 case HCI_LK_UNAUTH_COMBINATION_P192:
3347 case HCI_LK_UNAUTH_COMBINATION_P256:
3348 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3350 case HCI_LK_AUTH_COMBINATION_P192:
3351 conn->pending_sec_level = BT_SECURITY_HIGH;
3353 case HCI_LK_AUTH_COMBINATION_P256:
3354 conn->pending_sec_level = BT_SECURITY_FIPS;
3359 static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3361 struct hci_ev_link_key_req *ev = (void *) skb->data;
3362 struct hci_cp_link_key_reply cp;
3363 struct hci_conn *conn;
3364 struct link_key *key;
3366 BT_DBG("%s", hdev->name);
3368 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3373 key = hci_find_link_key(hdev, &ev->bdaddr);
3375 BT_DBG("%s link key not found for %pMR", hdev->name,
3380 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3383 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3385 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3387 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3388 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
3389 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
3390 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3394 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
3395 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3396 conn->pending_sec_level == BT_SECURITY_FIPS)) {
3397 BT_DBG("%s ignoring key unauthenticated for high security",
3402 conn_set_key(conn, key->type, key->pin_len);
3405 bacpy(&cp.bdaddr, &ev->bdaddr);
3406 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
3408 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3410 hci_dev_unlock(hdev);
3415 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3416 hci_dev_unlock(hdev);
3419 static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3421 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3422 struct hci_conn *conn;
3423 struct link_key *key;
3427 BT_DBG("%s", hdev->name);
3431 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3435 hci_conn_hold(conn);
3436 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3437 hci_conn_drop(conn);
3439 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3440 conn_set_key(conn, ev->key_type, conn->pin_length);
3442 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3445 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3446 ev->key_type, pin_len, &persistent);
3450 /* Update connection information since adding the key will have
3451 * fixed up the type in the case of changed combination keys.
3453 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3454 conn_set_key(conn, key->type, key->pin_len);
3456 mgmt_new_link_key(hdev, key, persistent);
3458 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3459 * is set. If it's not set simply remove the key from the kernel
3460 * list (we've still notified user space about it but with
3461 * store_hint being 0).
3463 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3464 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3465 list_del_rcu(&key->list);
3466 kfree_rcu(key, rcu);
3471 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3473 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3476 hci_dev_unlock(hdev);
3479 static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
3481 struct hci_ev_clock_offset *ev = (void *) skb->data;
3482 struct hci_conn *conn;
3484 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3488 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3489 if (conn && !ev->status) {
3490 struct inquiry_entry *ie;
3492 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3494 ie->data.clock_offset = ev->clock_offset;
3495 ie->timestamp = jiffies;
3499 hci_dev_unlock(hdev);
3502 static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3504 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3505 struct hci_conn *conn;
3507 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3511 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3512 if (conn && !ev->status)
3513 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3515 hci_dev_unlock(hdev);
3518 static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
3520 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
3521 struct inquiry_entry *ie;
3523 BT_DBG("%s", hdev->name);
3527 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3529 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3530 ie->timestamp = jiffies;
3533 hci_dev_unlock(hdev);
3536 static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3537 struct sk_buff *skb)
3539 struct inquiry_data data;
3540 int num_rsp = *((__u8 *) skb->data);
3542 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3547 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3552 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
3553 struct inquiry_info_with_rssi_and_pscan_mode *info;
3554 info = (void *) (skb->data + 1);
3556 for (; num_rsp; num_rsp--, info++) {
3559 bacpy(&data.bdaddr, &info->bdaddr);
3560 data.pscan_rep_mode = info->pscan_rep_mode;
3561 data.pscan_period_mode = info->pscan_period_mode;
3562 data.pscan_mode = info->pscan_mode;
3563 memcpy(data.dev_class, info->dev_class, 3);
3564 data.clock_offset = info->clock_offset;
3565 data.rssi = info->rssi;
3566 data.ssp_mode = 0x00;
3568 flags = hci_inquiry_cache_update(hdev, &data, false);
3570 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3571 info->dev_class, info->rssi,
3572 flags, NULL, 0, NULL, 0);
3575 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3577 for (; num_rsp; num_rsp--, info++) {
3580 bacpy(&data.bdaddr, &info->bdaddr);
3581 data.pscan_rep_mode = info->pscan_rep_mode;
3582 data.pscan_period_mode = info->pscan_period_mode;
3583 data.pscan_mode = 0x00;
3584 memcpy(data.dev_class, info->dev_class, 3);
3585 data.clock_offset = info->clock_offset;
3586 data.rssi = info->rssi;
3587 data.ssp_mode = 0x00;
3589 flags = hci_inquiry_cache_update(hdev, &data, false);
3591 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3592 info->dev_class, info->rssi,
3593 flags, NULL, 0, NULL, 0);
3597 hci_dev_unlock(hdev);
3600 static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3601 struct sk_buff *skb)
3603 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3604 struct hci_conn *conn;
3606 BT_DBG("%s", hdev->name);
3610 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3614 if (ev->page < HCI_MAX_PAGES)
3615 memcpy(conn->features[ev->page], ev->features, 8);
3617 if (!ev->status && ev->page == 0x01) {
3618 struct inquiry_entry *ie;
3620 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3622 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3624 if (ev->features[0] & LMP_HOST_SSP) {
3625 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3627 /* It is mandatory by the Bluetooth specification that
3628 * Extended Inquiry Results are only used when Secure
3629 * Simple Pairing is enabled, but some devices violate
3632 * To make these devices work, the internal SSP
3633 * enabled flag needs to be cleared if the remote host
3634 * features do not indicate SSP support */
3635 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3638 if (ev->features[0] & LMP_HOST_SC)
3639 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
3642 if (conn->state != BT_CONFIG)
3645 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
3646 struct hci_cp_remote_name_req cp;
3647 memset(&cp, 0, sizeof(cp));
3648 bacpy(&cp.bdaddr, &conn->dst);
3649 cp.pscan_rep_mode = 0x02;
3650 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
3651 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3652 mgmt_device_connected(hdev, conn, 0, NULL, 0);
3654 if (!hci_outgoing_auth_needed(hdev, conn)) {
3655 conn->state = BT_CONNECTED;
3656 hci_proto_connect_cfm(conn, ev->status);
3657 hci_conn_drop(conn);
3661 hci_dev_unlock(hdev);
3664 static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3665 struct sk_buff *skb)
3667 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3668 struct hci_conn *conn;
3670 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3674 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
3676 if (ev->link_type == ESCO_LINK)
3679 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3683 conn->type = SCO_LINK;
3686 switch (ev->status) {
3688 conn->handle = __le16_to_cpu(ev->handle);
3689 conn->state = BT_CONNECTED;
3691 hci_debugfs_create_conn(conn);
3692 hci_conn_add_sysfs(conn);
3695 case 0x10: /* Connection Accept Timeout */
3696 case 0x0d: /* Connection Rejected due to Limited Resources */
3697 case 0x11: /* Unsupported Feature or Parameter Value */
3698 case 0x1c: /* SCO interval rejected */
3699 case 0x1a: /* Unsupported Remote Feature */
3700 case 0x1f: /* Unspecified error */
3701 case 0x20: /* Unsupported LMP Parameter value */
3703 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3704 (hdev->esco_type & EDR_ESCO_MASK);
3705 if (hci_setup_sync(conn, conn->link->handle))
3711 conn->state = BT_CLOSED;
3715 hci_proto_connect_cfm(conn, ev->status);
3720 hci_dev_unlock(hdev);
3723 static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3727 while (parsed < eir_len) {
3728 u8 field_len = eir[0];
3733 parsed += field_len + 1;
3734 eir += field_len + 1;
3740 static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3741 struct sk_buff *skb)
3743 struct inquiry_data data;
3744 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3745 int num_rsp = *((__u8 *) skb->data);
3748 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3753 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3758 for (; num_rsp; num_rsp--, info++) {
3762 bacpy(&data.bdaddr, &info->bdaddr);
3763 data.pscan_rep_mode = info->pscan_rep_mode;
3764 data.pscan_period_mode = info->pscan_period_mode;
3765 data.pscan_mode = 0x00;
3766 memcpy(data.dev_class, info->dev_class, 3);
3767 data.clock_offset = info->clock_offset;
3768 data.rssi = info->rssi;
3769 data.ssp_mode = 0x01;
3771 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3772 name_known = eir_has_data_type(info->data,
3778 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3780 eir_len = eir_get_length(info->data, sizeof(info->data));
3782 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3783 info->dev_class, info->rssi,
3784 flags, info->data, eir_len, NULL, 0);
3787 hci_dev_unlock(hdev);
3790 static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3791 struct sk_buff *skb)
3793 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3794 struct hci_conn *conn;
3796 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
3797 __le16_to_cpu(ev->handle));
3801 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3805 /* For BR/EDR the necessary steps are taken through the
3806 * auth_complete event.
3808 if (conn->type != LE_LINK)
3812 conn->sec_level = conn->pending_sec_level;
3814 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3816 if (ev->status && conn->state == BT_CONNECTED) {
3817 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
3818 hci_conn_drop(conn);
3822 if (conn->state == BT_CONFIG) {
3824 conn->state = BT_CONNECTED;
3826 hci_proto_connect_cfm(conn, ev->status);
3827 hci_conn_drop(conn);
3829 hci_auth_cfm(conn, ev->status);
3831 hci_conn_hold(conn);
3832 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3833 hci_conn_drop(conn);
3837 hci_dev_unlock(hdev);
3840 static u8 hci_get_auth_req(struct hci_conn *conn)
3842 /* If remote requests no-bonding follow that lead */
3843 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3844 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
3845 return conn->remote_auth | (conn->auth_type & 0x01);
3847 /* If both remote and local have enough IO capabilities, require
3850 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3851 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3852 return conn->remote_auth | 0x01;
3854 /* No MITM protection possible so ignore remote requirement */
3855 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
3858 static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3860 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3861 struct hci_conn *conn;
3863 BT_DBG("%s", hdev->name);
3867 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3871 hci_conn_hold(conn);
3873 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3876 /* Allow pairing if we're pairable, the initiators of the
3877 * pairing or if the remote is not requesting bonding.
3879 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
3880 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
3881 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
3882 struct hci_cp_io_capability_reply cp;
3884 bacpy(&cp.bdaddr, &ev->bdaddr);
3885 /* Change the IO capability from KeyboardDisplay
3886 * to DisplayYesNo as it is not supported by BT spec. */
3887 cp.capability = (conn->io_capability == 0x04) ?
3888 HCI_IO_DISPLAY_YESNO : conn->io_capability;
3890 /* If we are initiators, there is no remote information yet */
3891 if (conn->remote_auth == 0xff) {
3892 /* Request MITM protection if our IO caps allow it
3893 * except for the no-bonding case.
3895 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
3896 conn->auth_type != HCI_AT_NO_BONDING)
3897 conn->auth_type |= 0x01;
3899 conn->auth_type = hci_get_auth_req(conn);
3902 /* If we're not bondable, force one of the non-bondable
3903 * authentication requirement values.
3905 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3906 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3908 cp.authentication = conn->auth_type;
3910 if (hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR) &&
3911 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
3916 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
3919 struct hci_cp_io_capability_neg_reply cp;
3921 bacpy(&cp.bdaddr, &ev->bdaddr);
3922 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
3924 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
3929 hci_dev_unlock(hdev);
3932 static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
3934 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3935 struct hci_conn *conn;
3937 BT_DBG("%s", hdev->name);
3941 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3945 conn->remote_cap = ev->capability;
3946 conn->remote_auth = ev->authentication;
3948 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
3951 hci_dev_unlock(hdev);
3954 static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3955 struct sk_buff *skb)
3957 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
3958 int loc_mitm, rem_mitm, confirm_hint = 0;
3959 struct hci_conn *conn;
3961 BT_DBG("%s", hdev->name);
3965 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3968 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3972 loc_mitm = (conn->auth_type & 0x01);
3973 rem_mitm = (conn->remote_auth & 0x01);
3975 /* If we require MITM but the remote device can't provide that
3976 * (it has NoInputNoOutput) then reject the confirmation
3977 * request. We check the security level here since it doesn't
3978 * necessarily match conn->auth_type.
3980 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3981 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
3982 BT_DBG("Rejecting request: remote device can't provide MITM");
3983 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
3984 sizeof(ev->bdaddr), &ev->bdaddr);
3988 /* If no side requires MITM protection; auto-accept */
3989 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3990 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
3992 /* If we're not the initiators request authorization to
3993 * proceed from user space (mgmt_user_confirm with
3994 * confirm_hint set to 1). The exception is if neither
3995 * side had MITM or if the local IO capability is
3996 * NoInputNoOutput, in which case we do auto-accept
3998 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
3999 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
4000 (loc_mitm || rem_mitm)) {
4001 BT_DBG("Confirming auto-accept as acceptor");
4006 BT_DBG("Auto-accept of user confirmation with %ums delay",
4007 hdev->auto_accept_delay);
4009 if (hdev->auto_accept_delay > 0) {
4010 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
4011 queue_delayed_work(conn->hdev->workqueue,
4012 &conn->auto_accept_work, delay);
4016 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
4017 sizeof(ev->bdaddr), &ev->bdaddr);
4022 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
4023 le32_to_cpu(ev->passkey), confirm_hint);
4026 hci_dev_unlock(hdev);
4029 static void hci_user_passkey_request_evt(struct hci_dev *hdev,
4030 struct sk_buff *skb)
4032 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
4034 BT_DBG("%s", hdev->name);
4036 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4037 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
4040 static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
4041 struct sk_buff *skb)
4043 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
4044 struct hci_conn *conn;
4046 BT_DBG("%s", hdev->name);
4048 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4052 conn->passkey_notify = __le32_to_cpu(ev->passkey);
4053 conn->passkey_entered = 0;
4055 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4056 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4057 conn->dst_type, conn->passkey_notify,
4058 conn->passkey_entered);
4061 static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
4063 struct hci_ev_keypress_notify *ev = (void *) skb->data;
4064 struct hci_conn *conn;
4066 BT_DBG("%s", hdev->name);
4068 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4073 case HCI_KEYPRESS_STARTED:
4074 conn->passkey_entered = 0;
4077 case HCI_KEYPRESS_ENTERED:
4078 conn->passkey_entered++;
4081 case HCI_KEYPRESS_ERASED:
4082 conn->passkey_entered--;
4085 case HCI_KEYPRESS_CLEARED:
4086 conn->passkey_entered = 0;
4089 case HCI_KEYPRESS_COMPLETED:
4093 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4094 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4095 conn->dst_type, conn->passkey_notify,
4096 conn->passkey_entered);
4099 static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
4100 struct sk_buff *skb)
4102 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
4103 struct hci_conn *conn;
4105 BT_DBG("%s", hdev->name);
4109 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4113 /* Reset the authentication requirement to unknown */
4114 conn->remote_auth = 0xff;
4116 /* To avoid duplicate auth_failed events to user space we check
4117 * the HCI_CONN_AUTH_PEND flag which will be set if we
4118 * initiated the authentication. A traditional auth_complete
4119 * event gets always produced as initiator and is also mapped to
4120 * the mgmt_auth_failed event */
4121 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
4122 mgmt_auth_failed(conn, ev->status);
4124 hci_conn_drop(conn);
4127 hci_dev_unlock(hdev);
4130 static void hci_remote_host_features_evt(struct hci_dev *hdev,
4131 struct sk_buff *skb)
4133 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4134 struct inquiry_entry *ie;
4135 struct hci_conn *conn;
4137 BT_DBG("%s", hdev->name);
4141 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4143 memcpy(conn->features[1], ev->features, 8);
4145 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4147 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
4149 hci_dev_unlock(hdev);
4152 static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4153 struct sk_buff *skb)
4155 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4156 struct oob_data *data;
4158 BT_DBG("%s", hdev->name);
4162 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
4165 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
4167 if (bredr_sc_enabled(hdev)) {
4168 struct hci_cp_remote_oob_ext_data_reply cp;
4170 bacpy(&cp.bdaddr, &ev->bdaddr);
4171 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
4172 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
4173 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
4174 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
4176 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4179 struct hci_cp_remote_oob_data_reply cp;
4181 bacpy(&cp.bdaddr, &ev->bdaddr);
4182 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4183 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
4185 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
4189 struct hci_cp_remote_oob_data_neg_reply cp;
4191 bacpy(&cp.bdaddr, &ev->bdaddr);
4192 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4197 hci_dev_unlock(hdev);
4200 static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4201 struct sk_buff *skb)
4203 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4204 struct hci_conn *hcon, *bredr_hcon;
4206 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4211 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4213 hci_dev_unlock(hdev);
4219 hci_dev_unlock(hdev);
4223 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4225 hcon->state = BT_CONNECTED;
4226 bacpy(&hcon->dst, &bredr_hcon->dst);
4228 hci_conn_hold(hcon);
4229 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
4230 hci_conn_drop(hcon);
4232 hci_debugfs_create_conn(hcon);
4233 hci_conn_add_sysfs(hcon);
4235 amp_physical_cfm(bredr_hcon, hcon);
4237 hci_dev_unlock(hdev);
4240 static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4242 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4243 struct hci_conn *hcon;
4244 struct hci_chan *hchan;
4245 struct amp_mgr *mgr;
4247 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4248 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4251 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4255 /* Create AMP hchan */
4256 hchan = hci_chan_create(hcon);
4260 hchan->handle = le16_to_cpu(ev->handle);
4262 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4264 mgr = hcon->amp_mgr;
4265 if (mgr && mgr->bredr_chan) {
4266 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4268 l2cap_chan_lock(bredr_chan);
4270 bredr_chan->conn->mtu = hdev->block_mtu;
4271 l2cap_logical_cfm(bredr_chan, hchan, 0);
4272 hci_conn_hold(hcon);
4274 l2cap_chan_unlock(bredr_chan);
4278 static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4279 struct sk_buff *skb)
4281 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4282 struct hci_chan *hchan;
4284 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4285 le16_to_cpu(ev->handle), ev->status);
4292 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4296 amp_destroy_logical_link(hchan, ev->reason);
4299 hci_dev_unlock(hdev);
4302 static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4303 struct sk_buff *skb)
4305 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4306 struct hci_conn *hcon;
4308 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4315 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4317 hcon->state = BT_CLOSED;
4321 hci_dev_unlock(hdev);
4324 static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4326 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
4327 struct hci_conn_params *params;
4328 struct hci_conn *conn;
4329 struct smp_irk *irk;
4332 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4336 /* All controllers implicitly stop advertising in the event of a
4337 * connection, so ensure that the state bit is cleared.
4339 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4341 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
4343 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
4345 BT_ERR("No memory for new connection");
4349 conn->dst_type = ev->bdaddr_type;
4351 /* If we didn't have a hci_conn object previously
4352 * but we're in master role this must be something
4353 * initiated using a white list. Since white list based
4354 * connections are not "first class citizens" we don't
4355 * have full tracking of them. Therefore, we go ahead
4356 * with a "best effort" approach of determining the
4357 * initiator address based on the HCI_PRIVACY flag.
4360 conn->resp_addr_type = ev->bdaddr_type;
4361 bacpy(&conn->resp_addr, &ev->bdaddr);
4362 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4363 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4364 bacpy(&conn->init_addr, &hdev->rpa);
4366 hci_copy_identity_address(hdev,
4368 &conn->init_addr_type);
4372 cancel_delayed_work(&conn->le_conn_timeout);
4376 /* Set the responder (our side) address type based on
4377 * the advertising address type.
4379 conn->resp_addr_type = hdev->adv_addr_type;
4380 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4381 bacpy(&conn->resp_addr, &hdev->random_addr);
4383 bacpy(&conn->resp_addr, &hdev->bdaddr);
4385 conn->init_addr_type = ev->bdaddr_type;
4386 bacpy(&conn->init_addr, &ev->bdaddr);
4388 /* For incoming connections, set the default minimum
4389 * and maximum connection interval. They will be used
4390 * to check if the parameters are in range and if not
4391 * trigger the connection update procedure.
4393 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4394 conn->le_conn_max_interval = hdev->le_conn_max_interval;
4397 /* Lookup the identity address from the stored connection
4398 * address and address type.
4400 * When establishing connections to an identity address, the
4401 * connection procedure will store the resolvable random
4402 * address first. Now if it can be converted back into the
4403 * identity address, start using the identity address from
4406 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
4408 bacpy(&conn->dst, &irk->bdaddr);
4409 conn->dst_type = irk->addr_type;
4413 hci_le_conn_failed(conn, ev->status);
4417 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4418 addr_type = BDADDR_LE_PUBLIC;
4420 addr_type = BDADDR_LE_RANDOM;
4422 /* Drop the connection if the device is blocked */
4423 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4424 hci_conn_drop(conn);
4428 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
4429 mgmt_device_connected(hdev, conn, 0, NULL, 0);
4431 conn->sec_level = BT_SECURITY_LOW;
4432 conn->handle = __le16_to_cpu(ev->handle);
4433 conn->state = BT_CONNECTED;
4435 conn->le_conn_interval = le16_to_cpu(ev->interval);
4436 conn->le_conn_latency = le16_to_cpu(ev->latency);
4437 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4439 hci_debugfs_create_conn(conn);
4440 hci_conn_add_sysfs(conn);
4442 hci_proto_connect_cfm(conn, ev->status);
4444 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4447 list_del_init(¶ms->action);
4449 hci_conn_drop(params->conn);
4450 hci_conn_put(params->conn);
4451 params->conn = NULL;
4456 hci_update_background_scan(hdev);
4457 hci_dev_unlock(hdev);
4460 static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4461 struct sk_buff *skb)
4463 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4464 struct hci_conn *conn;
4466 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4473 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4475 conn->le_conn_interval = le16_to_cpu(ev->interval);
4476 conn->le_conn_latency = le16_to_cpu(ev->latency);
4477 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4480 hci_dev_unlock(hdev);
4483 /* This function requires the caller holds hdev->lock */
4484 static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4486 u8 addr_type, u8 adv_type)
4488 struct hci_conn *conn;
4489 struct hci_conn_params *params;
4491 /* If the event is not connectable don't proceed further */
4492 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
4495 /* Ignore if the device is blocked */
4496 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
4499 /* Most controller will fail if we try to create new connections
4500 * while we have an existing one in slave role.
4502 if (hdev->conn_hash.le_num_slave > 0)
4505 /* If we're not connectable only connect devices that we have in
4506 * our pend_le_conns list.
4508 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4513 switch (params->auto_connect) {
4514 case HCI_AUTO_CONN_DIRECT:
4515 /* Only devices advertising with ADV_DIRECT_IND are
4516 * triggering a connection attempt. This is allowing
4517 * incoming connections from slave devices.
4519 if (adv_type != LE_ADV_DIRECT_IND)
4522 case HCI_AUTO_CONN_ALWAYS:
4523 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4524 * are triggering a connection attempt. This means
4525 * that incoming connectioms from slave device are
4526 * accepted and also outgoing connections to slave
4527 * devices are established when found.
4534 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
4535 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
4536 if (!IS_ERR(conn)) {
4537 /* Store the pointer since we don't really have any
4538 * other owner of the object besides the params that
4539 * triggered it. This way we can abort the connection if
4540 * the parameters get removed and keep the reference
4541 * count consistent once the connection is established.
4543 params->conn = hci_conn_get(conn);
4547 switch (PTR_ERR(conn)) {
4549 /* If hci_connect() returns -EBUSY it means there is already
4550 * an LE connection attempt going on. Since controllers don't
4551 * support more than one connection attempt at the time, we
4552 * don't consider this an error case.
4556 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4563 static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4564 u8 bdaddr_type, bdaddr_t *direct_addr,
4565 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
4567 struct discovery_state *d = &hdev->discovery;
4568 struct smp_irk *irk;
4569 struct hci_conn *conn;
4573 /* If the direct address is present, then this report is from
4574 * a LE Direct Advertising Report event. In that case it is
4575 * important to see if the address is matching the local
4576 * controller address.
4579 /* Only resolvable random addresses are valid for these
4580 * kind of reports and others can be ignored.
4582 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4585 /* If the controller is not using resolvable random
4586 * addresses, then this report can be ignored.
4588 if (!test_bit(HCI_PRIVACY, &hdev->dev_flags))
4591 /* If the local IRK of the controller does not match
4592 * with the resolvable random address provided, then
4593 * this report can be ignored.
4595 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4599 /* Check if we need to convert to identity address */
4600 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4602 bdaddr = &irk->bdaddr;
4603 bdaddr_type = irk->addr_type;
4606 /* Check if we have been requested to connect to this device */
4607 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4608 if (conn && type == LE_ADV_IND) {
4609 /* Store report for later inclusion by
4610 * mgmt_device_connected
4612 memcpy(conn->le_adv_data, data, len);
4613 conn->le_adv_data_len = len;
4616 /* Passive scanning shouldn't trigger any device found events,
4617 * except for devices marked as CONN_REPORT for which we do send
4618 * device found events.
4620 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
4621 if (type == LE_ADV_DIRECT_IND)
4624 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4625 bdaddr, bdaddr_type))
4628 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4629 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4632 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4633 rssi, flags, data, len, NULL, 0);
4637 /* When receiving non-connectable or scannable undirected
4638 * advertising reports, this means that the remote device is
4639 * not connectable and then clearly indicate this in the
4640 * device found event.
4642 * When receiving a scan response, then there is no way to
4643 * know if the remote device is connectable or not. However
4644 * since scan responses are merged with a previously seen
4645 * advertising report, the flags field from that report
4648 * In the really unlikely case that a controller get confused
4649 * and just sends a scan response event, then it is marked as
4650 * not connectable as well.
4652 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4653 type == LE_ADV_SCAN_RSP)
4654 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4658 /* If there's nothing pending either store the data from this
4659 * event or send an immediate device found event if the data
4660 * should not be stored for later.
4662 if (!has_pending_adv_report(hdev)) {
4663 /* If the report will trigger a SCAN_REQ store it for
4666 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4667 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
4668 rssi, flags, data, len);
4672 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4673 rssi, flags, data, len, NULL, 0);
4677 /* Check if the pending report is for the same device as the new one */
4678 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4679 bdaddr_type == d->last_adv_addr_type);
4681 /* If the pending data doesn't match this report or this isn't a
4682 * scan response (e.g. we got a duplicate ADV_IND) then force
4683 * sending of the pending data.
4685 if (type != LE_ADV_SCAN_RSP || !match) {
4686 /* Send out whatever is in the cache, but skip duplicates */
4688 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
4689 d->last_adv_addr_type, NULL,
4690 d->last_adv_rssi, d->last_adv_flags,
4692 d->last_adv_data_len, NULL, 0);
4694 /* If the new report will trigger a SCAN_REQ store it for
4697 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4698 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
4699 rssi, flags, data, len);
4703 /* The advertising reports cannot be merged, so clear
4704 * the pending report and send out a device found event.
4706 clear_pending_adv_report(hdev);
4707 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4708 rssi, flags, data, len, NULL, 0);
4712 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4713 * the new event is a SCAN_RSP. We can therefore proceed with
4714 * sending a merged device found event.
4716 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
4717 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
4718 d->last_adv_data, d->last_adv_data_len, data, len);
4719 clear_pending_adv_report(hdev);
4722 static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
4724 u8 num_reports = skb->data[0];
4725 void *ptr = &skb->data[1];
4729 while (num_reports--) {
4730 struct hci_ev_le_advertising_info *ev = ptr;
4733 rssi = ev->data[ev->length];
4734 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4735 ev->bdaddr_type, NULL, 0, rssi,
4736 ev->data, ev->length);
4738 ptr += sizeof(*ev) + ev->length + 1;
4741 hci_dev_unlock(hdev);
4744 static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
4746 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4747 struct hci_cp_le_ltk_reply cp;
4748 struct hci_cp_le_ltk_neg_reply neg;
4749 struct hci_conn *conn;
4750 struct smp_ltk *ltk;
4752 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
4756 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4760 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
4764 if (smp_ltk_is_sc(ltk)) {
4765 /* With SC both EDiv and Rand are set to zero */
4766 if (ev->ediv || ev->rand)
4769 /* For non-SC keys check that EDiv and Rand match */
4770 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
4774 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
4775 cp.handle = cpu_to_le16(conn->handle);
4777 conn->pending_sec_level = smp_ltk_sec_level(ltk);
4779 conn->enc_key_size = ltk->enc_size;
4781 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4783 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4784 * temporary key used to encrypt a connection following
4785 * pairing. It is used during the Encrypted Session Setup to
4786 * distribute the keys. Later, security can be re-established
4787 * using a distributed LTK.
4789 if (ltk->type == SMP_STK) {
4790 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
4791 list_del_rcu(<k->list);
4792 kfree_rcu(ltk, rcu);
4794 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
4797 hci_dev_unlock(hdev);
4802 neg.handle = ev->handle;
4803 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4804 hci_dev_unlock(hdev);
4807 static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4810 struct hci_cp_le_conn_param_req_neg_reply cp;
4812 cp.handle = cpu_to_le16(handle);
4815 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4819 static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4820 struct sk_buff *skb)
4822 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4823 struct hci_cp_le_conn_param_req_reply cp;
4824 struct hci_conn *hcon;
4825 u16 handle, min, max, latency, timeout;
4827 handle = le16_to_cpu(ev->handle);
4828 min = le16_to_cpu(ev->interval_min);
4829 max = le16_to_cpu(ev->interval_max);
4830 latency = le16_to_cpu(ev->latency);
4831 timeout = le16_to_cpu(ev->timeout);
4833 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4834 if (!hcon || hcon->state != BT_CONNECTED)
4835 return send_conn_param_neg_reply(hdev, handle,
4836 HCI_ERROR_UNKNOWN_CONN_ID);
4838 if (hci_check_conn_params(min, max, latency, timeout))
4839 return send_conn_param_neg_reply(hdev, handle,
4840 HCI_ERROR_INVALID_LL_PARAMS);
4842 if (hcon->role == HCI_ROLE_MASTER) {
4843 struct hci_conn_params *params;
4848 params = hci_conn_params_lookup(hdev, &hcon->dst,
4851 params->conn_min_interval = min;
4852 params->conn_max_interval = max;
4853 params->conn_latency = latency;
4854 params->supervision_timeout = timeout;
4860 hci_dev_unlock(hdev);
4862 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4863 store_hint, min, max, latency, timeout);
4866 cp.handle = ev->handle;
4867 cp.interval_min = ev->interval_min;
4868 cp.interval_max = ev->interval_max;
4869 cp.latency = ev->latency;
4870 cp.timeout = ev->timeout;
4874 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4877 static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
4878 struct sk_buff *skb)
4880 u8 num_reports = skb->data[0];
4881 void *ptr = &skb->data[1];
4885 while (num_reports--) {
4886 struct hci_ev_le_direct_adv_info *ev = ptr;
4888 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4889 ev->bdaddr_type, &ev->direct_addr,
4890 ev->direct_addr_type, ev->rssi, NULL, 0);
4895 hci_dev_unlock(hdev);
4898 static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
4900 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4902 skb_pull(skb, sizeof(*le_ev));
4904 switch (le_ev->subevent) {
4905 case HCI_EV_LE_CONN_COMPLETE:
4906 hci_le_conn_complete_evt(hdev, skb);
4909 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4910 hci_le_conn_update_complete_evt(hdev, skb);
4913 case HCI_EV_LE_ADVERTISING_REPORT:
4914 hci_le_adv_report_evt(hdev, skb);
4917 case HCI_EV_LE_LTK_REQ:
4918 hci_le_ltk_request_evt(hdev, skb);
4921 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4922 hci_le_remote_conn_param_req_evt(hdev, skb);
4925 case HCI_EV_LE_DIRECT_ADV_REPORT:
4926 hci_le_direct_adv_report_evt(hdev, skb);
4934 static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4936 struct hci_ev_channel_selected *ev = (void *) skb->data;
4937 struct hci_conn *hcon;
4939 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4941 skb_pull(skb, sizeof(*ev));
4943 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4947 amp_read_loc_assoc_final_data(hdev, hcon);
4950 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4952 struct hci_event_hdr *hdr = (void *) skb->data;
4953 __u8 event = hdr->evt;
4957 /* Received events are (currently) only needed when a request is
4958 * ongoing so avoid unnecessary memory allocation.
4960 if (hci_req_pending(hdev)) {
4961 kfree_skb(hdev->recv_evt);
4962 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4965 hci_dev_unlock(hdev);
4967 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4969 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
4970 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4971 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
4973 hci_req_cmd_complete(hdev, opcode, 0);
4977 case HCI_EV_INQUIRY_COMPLETE:
4978 hci_inquiry_complete_evt(hdev, skb);
4981 case HCI_EV_INQUIRY_RESULT:
4982 hci_inquiry_result_evt(hdev, skb);
4985 case HCI_EV_CONN_COMPLETE:
4986 hci_conn_complete_evt(hdev, skb);
4989 case HCI_EV_CONN_REQUEST:
4990 hci_conn_request_evt(hdev, skb);
4993 case HCI_EV_DISCONN_COMPLETE:
4994 hci_disconn_complete_evt(hdev, skb);
4997 case HCI_EV_AUTH_COMPLETE:
4998 hci_auth_complete_evt(hdev, skb);
5001 case HCI_EV_REMOTE_NAME:
5002 hci_remote_name_evt(hdev, skb);
5005 case HCI_EV_ENCRYPT_CHANGE:
5006 hci_encrypt_change_evt(hdev, skb);
5009 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
5010 hci_change_link_key_complete_evt(hdev, skb);
5013 case HCI_EV_REMOTE_FEATURES:
5014 hci_remote_features_evt(hdev, skb);
5017 case HCI_EV_CMD_COMPLETE:
5018 hci_cmd_complete_evt(hdev, skb);
5021 case HCI_EV_CMD_STATUS:
5022 hci_cmd_status_evt(hdev, skb);
5025 case HCI_EV_HARDWARE_ERROR:
5026 hci_hardware_error_evt(hdev, skb);
5029 case HCI_EV_ROLE_CHANGE:
5030 hci_role_change_evt(hdev, skb);
5033 case HCI_EV_NUM_COMP_PKTS:
5034 hci_num_comp_pkts_evt(hdev, skb);
5037 case HCI_EV_MODE_CHANGE:
5038 hci_mode_change_evt(hdev, skb);
5041 case HCI_EV_PIN_CODE_REQ:
5042 hci_pin_code_request_evt(hdev, skb);
5045 case HCI_EV_LINK_KEY_REQ:
5046 hci_link_key_request_evt(hdev, skb);
5049 case HCI_EV_LINK_KEY_NOTIFY:
5050 hci_link_key_notify_evt(hdev, skb);
5053 case HCI_EV_CLOCK_OFFSET:
5054 hci_clock_offset_evt(hdev, skb);
5057 case HCI_EV_PKT_TYPE_CHANGE:
5058 hci_pkt_type_change_evt(hdev, skb);
5061 case HCI_EV_PSCAN_REP_MODE:
5062 hci_pscan_rep_mode_evt(hdev, skb);
5065 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
5066 hci_inquiry_result_with_rssi_evt(hdev, skb);
5069 case HCI_EV_REMOTE_EXT_FEATURES:
5070 hci_remote_ext_features_evt(hdev, skb);
5073 case HCI_EV_SYNC_CONN_COMPLETE:
5074 hci_sync_conn_complete_evt(hdev, skb);
5077 case HCI_EV_EXTENDED_INQUIRY_RESULT:
5078 hci_extended_inquiry_result_evt(hdev, skb);
5081 case HCI_EV_KEY_REFRESH_COMPLETE:
5082 hci_key_refresh_complete_evt(hdev, skb);
5085 case HCI_EV_IO_CAPA_REQUEST:
5086 hci_io_capa_request_evt(hdev, skb);
5089 case HCI_EV_IO_CAPA_REPLY:
5090 hci_io_capa_reply_evt(hdev, skb);
5093 case HCI_EV_USER_CONFIRM_REQUEST:
5094 hci_user_confirm_request_evt(hdev, skb);
5097 case HCI_EV_USER_PASSKEY_REQUEST:
5098 hci_user_passkey_request_evt(hdev, skb);
5101 case HCI_EV_USER_PASSKEY_NOTIFY:
5102 hci_user_passkey_notify_evt(hdev, skb);
5105 case HCI_EV_KEYPRESS_NOTIFY:
5106 hci_keypress_notify_evt(hdev, skb);
5109 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5110 hci_simple_pair_complete_evt(hdev, skb);
5113 case HCI_EV_REMOTE_HOST_FEATURES:
5114 hci_remote_host_features_evt(hdev, skb);
5117 case HCI_EV_LE_META:
5118 hci_le_meta_evt(hdev, skb);
5121 case HCI_EV_CHANNEL_SELECTED:
5122 hci_chan_selected_evt(hdev, skb);
5125 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5126 hci_remote_oob_data_request_evt(hdev, skb);
5129 case HCI_EV_PHY_LINK_COMPLETE:
5130 hci_phy_link_complete_evt(hdev, skb);
5133 case HCI_EV_LOGICAL_LINK_COMPLETE:
5134 hci_loglink_complete_evt(hdev, skb);
5137 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5138 hci_disconn_loglink_complete_evt(hdev, skb);
5141 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5142 hci_disconn_phylink_complete_evt(hdev, skb);
5145 case HCI_EV_NUM_COMP_BLOCKS:
5146 hci_num_comp_blocks_evt(hdev, skb);
5150 BT_DBG("%s event 0x%2.2x", hdev->name, event);
5155 hdev->stat.evt_rx++;