2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
25 /* Bluetooth HCI event handling. */
27 #include <asm/unaligned.h>
29 #include <net/bluetooth/bluetooth.h>
30 #include <net/bluetooth/hci_core.h>
31 #include <net/bluetooth/mgmt.h>
37 /* Handle HCI Event packets */
39 static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
41 __u8 status = *((__u8 *) skb->data);
43 BT_DBG("%s status 0x%2.2x", hdev->name, status);
48 clear_bit(HCI_INQUIRY, &hdev->flags);
49 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
50 wake_up_bit(&hdev->flags, HCI_INQUIRY);
53 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
56 hci_conn_check_pending(hdev);
59 static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
61 __u8 status = *((__u8 *) skb->data);
63 BT_DBG("%s status 0x%2.2x", hdev->name, status);
68 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
71 static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
73 __u8 status = *((__u8 *) skb->data);
75 BT_DBG("%s status 0x%2.2x", hdev->name, status);
80 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
82 hci_conn_check_pending(hdev);
85 static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
88 BT_DBG("%s", hdev->name);
91 static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
96 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
105 conn->role = rp->role;
107 hci_dev_unlock(hdev);
110 static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
112 struct hci_rp_read_link_policy *rp = (void *) skb->data;
113 struct hci_conn *conn;
115 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
122 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
124 conn->link_policy = __le16_to_cpu(rp->policy);
126 hci_dev_unlock(hdev);
129 static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
131 struct hci_rp_write_link_policy *rp = (void *) skb->data;
132 struct hci_conn *conn;
135 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
140 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
146 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
148 conn->link_policy = get_unaligned_le16(sent + 2);
150 hci_dev_unlock(hdev);
153 static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
156 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
158 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
163 hdev->link_policy = __le16_to_cpu(rp->policy);
166 static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
169 __u8 status = *((__u8 *) skb->data);
172 BT_DBG("%s status 0x%2.2x", hdev->name, status);
177 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
181 hdev->link_policy = get_unaligned_le16(sent);
184 static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
186 __u8 status = *((__u8 *) skb->data);
188 BT_DBG("%s status 0x%2.2x", hdev->name, status);
190 clear_bit(HCI_RESET, &hdev->flags);
192 /* Reset all non-persistent flags */
193 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
195 hdev->discovery.state = DISCOVERY_STOPPED;
196 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
197 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
199 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
200 hdev->adv_data_len = 0;
202 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
203 hdev->scan_rsp_data_len = 0;
205 hdev->le_scan_type = LE_SCAN_PASSIVE;
207 hdev->ssp_debug_mode = 0;
210 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
212 __u8 status = *((__u8 *) skb->data);
215 BT_DBG("%s status 0x%2.2x", hdev->name, status);
217 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
223 if (test_bit(HCI_MGMT, &hdev->dev_flags))
224 mgmt_set_local_name_complete(hdev, sent, status);
226 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
228 hci_dev_unlock(hdev);
231 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
233 struct hci_rp_read_local_name *rp = (void *) skb->data;
235 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
240 if (test_bit(HCI_SETUP, &hdev->dev_flags))
241 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
244 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
246 __u8 status = *((__u8 *) skb->data);
249 BT_DBG("%s status 0x%2.2x", hdev->name, status);
251 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
256 __u8 param = *((__u8 *) sent);
258 if (param == AUTH_ENABLED)
259 set_bit(HCI_AUTH, &hdev->flags);
261 clear_bit(HCI_AUTH, &hdev->flags);
264 if (test_bit(HCI_MGMT, &hdev->dev_flags))
265 mgmt_auth_enable_complete(hdev, status);
268 static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
270 __u8 status = *((__u8 *) skb->data);
274 BT_DBG("%s status 0x%2.2x", hdev->name, status);
279 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
283 param = *((__u8 *) sent);
286 set_bit(HCI_ENCRYPT, &hdev->flags);
288 clear_bit(HCI_ENCRYPT, &hdev->flags);
291 static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
293 __u8 status = *((__u8 *) skb->data);
297 BT_DBG("%s status 0x%2.2x", hdev->name, status);
299 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
303 param = *((__u8 *) sent);
308 hdev->discov_timeout = 0;
312 if (param & SCAN_INQUIRY)
313 set_bit(HCI_ISCAN, &hdev->flags);
315 clear_bit(HCI_ISCAN, &hdev->flags);
317 if (param & SCAN_PAGE)
318 set_bit(HCI_PSCAN, &hdev->flags);
320 clear_bit(HCI_PSCAN, &hdev->flags);
323 hci_dev_unlock(hdev);
326 static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
328 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
330 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
335 memcpy(hdev->dev_class, rp->dev_class, 3);
337 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
338 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
341 static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
343 __u8 status = *((__u8 *) skb->data);
346 BT_DBG("%s status 0x%2.2x", hdev->name, status);
348 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
355 memcpy(hdev->dev_class, sent, 3);
357 if (test_bit(HCI_MGMT, &hdev->dev_flags))
358 mgmt_set_class_of_dev_complete(hdev, sent, status);
360 hci_dev_unlock(hdev);
363 static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
365 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
368 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
373 setting = __le16_to_cpu(rp->voice_setting);
375 if (hdev->voice_setting == setting)
378 hdev->voice_setting = setting;
380 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
383 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
386 static void hci_cc_write_voice_setting(struct hci_dev *hdev,
389 __u8 status = *((__u8 *) skb->data);
393 BT_DBG("%s status 0x%2.2x", hdev->name, status);
398 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
402 setting = get_unaligned_le16(sent);
404 if (hdev->voice_setting == setting)
407 hdev->voice_setting = setting;
409 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
412 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
415 static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
418 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
420 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
425 hdev->num_iac = rp->num_iac;
427 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
430 static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
432 __u8 status = *((__u8 *) skb->data);
433 struct hci_cp_write_ssp_mode *sent;
435 BT_DBG("%s status 0x%2.2x", hdev->name, status);
437 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
443 hdev->features[1][0] |= LMP_HOST_SSP;
445 hdev->features[1][0] &= ~LMP_HOST_SSP;
448 if (test_bit(HCI_MGMT, &hdev->dev_flags))
449 mgmt_ssp_enable_complete(hdev, sent->mode, status);
452 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
454 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
458 static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
460 u8 status = *((u8 *) skb->data);
461 struct hci_cp_write_sc_support *sent;
463 BT_DBG("%s status 0x%2.2x", hdev->name, status);
465 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
471 hdev->features[1][0] |= LMP_HOST_SC;
473 hdev->features[1][0] &= ~LMP_HOST_SC;
476 if (test_bit(HCI_MGMT, &hdev->dev_flags))
477 mgmt_sc_enable_complete(hdev, sent->support, status);
480 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
482 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
486 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
488 struct hci_rp_read_local_version *rp = (void *) skb->data;
490 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
495 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
496 hdev->hci_ver = rp->hci_ver;
497 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
498 hdev->lmp_ver = rp->lmp_ver;
499 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
500 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
504 static void hci_cc_read_local_commands(struct hci_dev *hdev,
507 struct hci_rp_read_local_commands *rp = (void *) skb->data;
509 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
514 if (test_bit(HCI_SETUP, &hdev->dev_flags))
515 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
518 static void hci_cc_read_local_features(struct hci_dev *hdev,
521 struct hci_rp_read_local_features *rp = (void *) skb->data;
523 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
528 memcpy(hdev->features, rp->features, 8);
530 /* Adjust default settings according to features
531 * supported by device. */
533 if (hdev->features[0][0] & LMP_3SLOT)
534 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
536 if (hdev->features[0][0] & LMP_5SLOT)
537 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
539 if (hdev->features[0][1] & LMP_HV2) {
540 hdev->pkt_type |= (HCI_HV2);
541 hdev->esco_type |= (ESCO_HV2);
544 if (hdev->features[0][1] & LMP_HV3) {
545 hdev->pkt_type |= (HCI_HV3);
546 hdev->esco_type |= (ESCO_HV3);
549 if (lmp_esco_capable(hdev))
550 hdev->esco_type |= (ESCO_EV3);
552 if (hdev->features[0][4] & LMP_EV4)
553 hdev->esco_type |= (ESCO_EV4);
555 if (hdev->features[0][4] & LMP_EV5)
556 hdev->esco_type |= (ESCO_EV5);
558 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
559 hdev->esco_type |= (ESCO_2EV3);
561 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
562 hdev->esco_type |= (ESCO_3EV3);
564 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
565 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
568 static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
571 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
573 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
578 if (hdev->max_page < rp->max_page)
579 hdev->max_page = rp->max_page;
581 if (rp->page < HCI_MAX_PAGES)
582 memcpy(hdev->features[rp->page], rp->features, 8);
585 static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
588 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
590 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
595 hdev->flow_ctl_mode = rp->mode;
598 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
600 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
602 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
607 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
608 hdev->sco_mtu = rp->sco_mtu;
609 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
610 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
612 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
617 hdev->acl_cnt = hdev->acl_pkts;
618 hdev->sco_cnt = hdev->sco_pkts;
620 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
621 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
624 static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
626 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
628 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
633 if (test_bit(HCI_INIT, &hdev->flags))
634 bacpy(&hdev->bdaddr, &rp->bdaddr);
636 if (test_bit(HCI_SETUP, &hdev->dev_flags))
637 bacpy(&hdev->setup_addr, &rp->bdaddr);
640 static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
643 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
645 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
650 if (test_bit(HCI_INIT, &hdev->flags)) {
651 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
652 hdev->page_scan_window = __le16_to_cpu(rp->window);
656 static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
659 u8 status = *((u8 *) skb->data);
660 struct hci_cp_write_page_scan_activity *sent;
662 BT_DBG("%s status 0x%2.2x", hdev->name, status);
667 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
671 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
672 hdev->page_scan_window = __le16_to_cpu(sent->window);
675 static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
678 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
680 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
685 if (test_bit(HCI_INIT, &hdev->flags))
686 hdev->page_scan_type = rp->type;
689 static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
692 u8 status = *((u8 *) skb->data);
695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
700 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
702 hdev->page_scan_type = *type;
705 static void hci_cc_read_data_block_size(struct hci_dev *hdev,
708 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
710 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
715 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
716 hdev->block_len = __le16_to_cpu(rp->block_len);
717 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
719 hdev->block_cnt = hdev->num_blocks;
721 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
722 hdev->block_cnt, hdev->block_len);
725 static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
727 struct hci_rp_read_clock *rp = (void *) skb->data;
728 struct hci_cp_read_clock *cp;
729 struct hci_conn *conn;
731 BT_DBG("%s", hdev->name);
733 if (skb->len < sizeof(*rp))
741 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
745 if (cp->which == 0x00) {
746 hdev->clock = le32_to_cpu(rp->clock);
750 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
752 conn->clock = le32_to_cpu(rp->clock);
753 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
757 hci_dev_unlock(hdev);
760 static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
763 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
765 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
770 hdev->amp_status = rp->amp_status;
771 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
772 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
773 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
774 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
775 hdev->amp_type = rp->amp_type;
776 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
777 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
778 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
779 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
782 a2mp_send_getinfo_rsp(hdev);
785 static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
788 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
789 struct amp_assoc *assoc = &hdev->loc_assoc;
790 size_t rem_len, frag_len;
792 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
797 frag_len = skb->len - sizeof(*rp);
798 rem_len = __le16_to_cpu(rp->rem_len);
800 if (rem_len > frag_len) {
801 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
803 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
804 assoc->offset += frag_len;
806 /* Read other fragments */
807 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
812 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
813 assoc->len = assoc->offset + rem_len;
817 /* Send A2MP Rsp when all fragments are received */
818 a2mp_send_getampassoc_rsp(hdev, rp->status);
819 a2mp_send_create_phy_link_req(hdev, rp->status);
822 static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
825 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
827 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
832 hdev->inq_tx_power = rp->tx_power;
835 static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
837 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
838 struct hci_cp_pin_code_reply *cp;
839 struct hci_conn *conn;
841 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
845 if (test_bit(HCI_MGMT, &hdev->dev_flags))
846 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
851 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
855 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
857 conn->pin_length = cp->pin_len;
860 hci_dev_unlock(hdev);
863 static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
865 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
867 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
871 if (test_bit(HCI_MGMT, &hdev->dev_flags))
872 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
875 hci_dev_unlock(hdev);
878 static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
881 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
883 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
888 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
889 hdev->le_pkts = rp->le_max_pkt;
891 hdev->le_cnt = hdev->le_pkts;
893 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
896 static void hci_cc_le_read_local_features(struct hci_dev *hdev,
899 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
901 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
906 memcpy(hdev->le_features, rp->features, 8);
909 static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
912 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
914 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
919 hdev->adv_tx_power = rp->tx_power;
922 static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
924 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
926 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
930 if (test_bit(HCI_MGMT, &hdev->dev_flags))
931 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
934 hci_dev_unlock(hdev);
937 static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
940 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
942 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
946 if (test_bit(HCI_MGMT, &hdev->dev_flags))
947 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
948 ACL_LINK, 0, rp->status);
950 hci_dev_unlock(hdev);
953 static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
955 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
957 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
961 if (test_bit(HCI_MGMT, &hdev->dev_flags))
962 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
965 hci_dev_unlock(hdev);
968 static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
971 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
973 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
977 if (test_bit(HCI_MGMT, &hdev->dev_flags))
978 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
979 ACL_LINK, 0, rp->status);
981 hci_dev_unlock(hdev);
984 static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
987 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
989 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
992 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
993 NULL, NULL, rp->status);
994 hci_dev_unlock(hdev);
997 static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1000 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1002 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1005 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1006 rp->hash256, rp->randomizer256,
1008 hci_dev_unlock(hdev);
1012 static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1014 __u8 status = *((__u8 *) skb->data);
1017 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1022 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1028 bacpy(&hdev->random_addr, sent);
1030 hci_dev_unlock(hdev);
1033 static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1035 __u8 *sent, status = *((__u8 *) skb->data);
1037 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1042 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1048 /* If we're doing connection initation as peripheral. Set a
1049 * timeout in case something goes wrong.
1052 struct hci_conn *conn;
1054 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1056 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1058 queue_delayed_work(hdev->workqueue,
1059 &conn->le_conn_timeout,
1060 conn->conn_timeout);
1062 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
1065 hci_dev_unlock(hdev);
1068 static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1070 struct hci_cp_le_set_scan_param *cp;
1071 __u8 status = *((__u8 *) skb->data);
1073 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1078 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1084 hdev->le_scan_type = cp->type;
1086 hci_dev_unlock(hdev);
1089 static bool has_pending_adv_report(struct hci_dev *hdev)
1091 struct discovery_state *d = &hdev->discovery;
1093 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1096 static void clear_pending_adv_report(struct hci_dev *hdev)
1098 struct discovery_state *d = &hdev->discovery;
1100 bacpy(&d->last_adv_addr, BDADDR_ANY);
1101 d->last_adv_data_len = 0;
1104 static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
1105 u8 bdaddr_type, s8 rssi, u32 flags,
1108 struct discovery_state *d = &hdev->discovery;
1110 bacpy(&d->last_adv_addr, bdaddr);
1111 d->last_adv_addr_type = bdaddr_type;
1112 d->last_adv_rssi = rssi;
1113 d->last_adv_flags = flags;
1114 memcpy(d->last_adv_data, data, len);
1115 d->last_adv_data_len = len;
1118 static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
1119 struct sk_buff *skb)
1121 struct hci_cp_le_set_scan_enable *cp;
1122 __u8 status = *((__u8 *) skb->data);
1124 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1129 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1133 switch (cp->enable) {
1134 case LE_SCAN_ENABLE:
1135 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
1136 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1137 clear_pending_adv_report(hdev);
1140 case LE_SCAN_DISABLE:
1141 /* We do this here instead of when setting DISCOVERY_STOPPED
1142 * since the latter would potentially require waiting for
1143 * inquiry to stop too.
1145 if (has_pending_adv_report(hdev)) {
1146 struct discovery_state *d = &hdev->discovery;
1148 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
1149 d->last_adv_addr_type, NULL,
1150 d->last_adv_rssi, d->last_adv_flags,
1152 d->last_adv_data_len, NULL, 0);
1155 /* Cancel this timer so that we don't try to disable scanning
1156 * when it's already disabled.
1158 cancel_delayed_work(&hdev->le_scan_disable);
1160 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
1162 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1163 * interrupted scanning due to a connect request. Mark
1164 * therefore discovery as stopped. If this was not
1165 * because of a connect request advertising might have
1166 * been disabled because of active scanning, so
1167 * re-enable it again if necessary.
1169 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1171 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1172 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
1173 hdev->discovery.state == DISCOVERY_FINDING)
1174 mgmt_reenable_advertising(hdev);
1179 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1184 static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1185 struct sk_buff *skb)
1187 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1189 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1194 hdev->le_white_list_size = rp->size;
1197 static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1198 struct sk_buff *skb)
1200 __u8 status = *((__u8 *) skb->data);
1202 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1207 hci_bdaddr_list_clear(&hdev->le_white_list);
1210 static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1211 struct sk_buff *skb)
1213 struct hci_cp_le_add_to_white_list *sent;
1214 __u8 status = *((__u8 *) skb->data);
1216 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1221 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1225 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1229 static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1230 struct sk_buff *skb)
1232 struct hci_cp_le_del_from_white_list *sent;
1233 __u8 status = *((__u8 *) skb->data);
1235 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1240 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1244 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1248 static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1249 struct sk_buff *skb)
1251 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1253 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1258 memcpy(hdev->le_states, rp->le_states, 8);
1261 static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1262 struct sk_buff *skb)
1264 struct hci_cp_write_le_host_supported *sent;
1265 __u8 status = *((__u8 *) skb->data);
1267 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1272 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
1277 hdev->features[1][0] |= LMP_HOST_LE;
1278 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1280 hdev->features[1][0] &= ~LMP_HOST_LE;
1281 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1282 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
1286 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1288 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
1291 static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1293 struct hci_cp_le_set_adv_param *cp;
1294 u8 status = *((u8 *) skb->data);
1296 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1301 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1306 hdev->adv_addr_type = cp->own_address_type;
1307 hci_dev_unlock(hdev);
1310 static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1311 struct sk_buff *skb)
1313 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1315 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1316 hdev->name, rp->status, rp->phy_handle);
1321 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1324 static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1326 struct hci_rp_read_rssi *rp = (void *) skb->data;
1327 struct hci_conn *conn;
1329 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1336 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1338 conn->rssi = rp->rssi;
1340 hci_dev_unlock(hdev);
1343 static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1345 struct hci_cp_read_tx_power *sent;
1346 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1347 struct hci_conn *conn;
1349 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1354 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1360 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1364 switch (sent->type) {
1366 conn->tx_power = rp->tx_power;
1369 conn->max_tx_power = rp->tx_power;
1374 hci_dev_unlock(hdev);
1377 static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1379 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1382 hci_conn_check_pending(hdev);
1386 set_bit(HCI_INQUIRY, &hdev->flags);
1389 static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1391 struct hci_cp_create_conn *cp;
1392 struct hci_conn *conn;
1394 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1396 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1402 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1404 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1407 if (conn && conn->state == BT_CONNECT) {
1408 if (status != 0x0c || conn->attempt > 2) {
1409 conn->state = BT_CLOSED;
1410 hci_proto_connect_cfm(conn, status);
1413 conn->state = BT_CONNECT2;
1417 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1420 BT_ERR("No memory for new connection");
1424 hci_dev_unlock(hdev);
1427 static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1429 struct hci_cp_add_sco *cp;
1430 struct hci_conn *acl, *sco;
1433 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1438 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1442 handle = __le16_to_cpu(cp->handle);
1444 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1448 acl = hci_conn_hash_lookup_handle(hdev, handle);
1452 sco->state = BT_CLOSED;
1454 hci_proto_connect_cfm(sco, status);
1459 hci_dev_unlock(hdev);
1462 static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1464 struct hci_cp_auth_requested *cp;
1465 struct hci_conn *conn;
1467 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1472 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1478 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1480 if (conn->state == BT_CONFIG) {
1481 hci_proto_connect_cfm(conn, status);
1482 hci_conn_drop(conn);
1486 hci_dev_unlock(hdev);
1489 static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1491 struct hci_cp_set_conn_encrypt *cp;
1492 struct hci_conn *conn;
1494 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1499 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1505 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1507 if (conn->state == BT_CONFIG) {
1508 hci_proto_connect_cfm(conn, status);
1509 hci_conn_drop(conn);
1513 hci_dev_unlock(hdev);
1516 static int hci_outgoing_auth_needed(struct hci_dev *hdev,
1517 struct hci_conn *conn)
1519 if (conn->state != BT_CONFIG || !conn->out)
1522 if (conn->pending_sec_level == BT_SECURITY_SDP)
1525 /* Only request authentication for SSP connections or non-SSP
1526 * devices with sec_level MEDIUM or HIGH or if MITM protection
1529 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
1530 conn->pending_sec_level != BT_SECURITY_FIPS &&
1531 conn->pending_sec_level != BT_SECURITY_HIGH &&
1532 conn->pending_sec_level != BT_SECURITY_MEDIUM)
1538 static int hci_resolve_name(struct hci_dev *hdev,
1539 struct inquiry_entry *e)
1541 struct hci_cp_remote_name_req cp;
1543 memset(&cp, 0, sizeof(cp));
1545 bacpy(&cp.bdaddr, &e->data.bdaddr);
1546 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1547 cp.pscan_mode = e->data.pscan_mode;
1548 cp.clock_offset = e->data.clock_offset;
1550 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1553 static bool hci_resolve_next_name(struct hci_dev *hdev)
1555 struct discovery_state *discov = &hdev->discovery;
1556 struct inquiry_entry *e;
1558 if (list_empty(&discov->resolve))
1561 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1565 if (hci_resolve_name(hdev, e) == 0) {
1566 e->name_state = NAME_PENDING;
1573 static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
1574 bdaddr_t *bdaddr, u8 *name, u8 name_len)
1576 struct discovery_state *discov = &hdev->discovery;
1577 struct inquiry_entry *e;
1579 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
1580 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1581 name_len, conn->dev_class);
1583 if (discov->state == DISCOVERY_STOPPED)
1586 if (discov->state == DISCOVERY_STOPPING)
1587 goto discov_complete;
1589 if (discov->state != DISCOVERY_RESOLVING)
1592 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
1593 /* If the device was not found in a list of found devices names of which
1594 * are pending. there is no need to continue resolving a next name as it
1595 * will be done upon receiving another Remote Name Request Complete
1602 e->name_state = NAME_KNOWN;
1603 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1604 e->data.rssi, name, name_len);
1606 e->name_state = NAME_NOT_KNOWN;
1609 if (hci_resolve_next_name(hdev))
1613 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1616 static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1618 struct hci_cp_remote_name_req *cp;
1619 struct hci_conn *conn;
1621 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1623 /* If successful wait for the name req complete event before
1624 * checking for the need to do authentication */
1628 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1634 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1636 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1637 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
1642 if (!hci_outgoing_auth_needed(hdev, conn))
1645 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1646 struct hci_cp_auth_requested auth_cp;
1648 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1650 auth_cp.handle = __cpu_to_le16(conn->handle);
1651 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1652 sizeof(auth_cp), &auth_cp);
1656 hci_dev_unlock(hdev);
1659 static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1661 struct hci_cp_read_remote_features *cp;
1662 struct hci_conn *conn;
1664 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1669 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1675 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1677 if (conn->state == BT_CONFIG) {
1678 hci_proto_connect_cfm(conn, status);
1679 hci_conn_drop(conn);
1683 hci_dev_unlock(hdev);
1686 static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1688 struct hci_cp_read_remote_ext_features *cp;
1689 struct hci_conn *conn;
1691 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1696 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1702 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1704 if (conn->state == BT_CONFIG) {
1705 hci_proto_connect_cfm(conn, status);
1706 hci_conn_drop(conn);
1710 hci_dev_unlock(hdev);
1713 static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1715 struct hci_cp_setup_sync_conn *cp;
1716 struct hci_conn *acl, *sco;
1719 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1724 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1728 handle = __le16_to_cpu(cp->handle);
1730 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1734 acl = hci_conn_hash_lookup_handle(hdev, handle);
1738 sco->state = BT_CLOSED;
1740 hci_proto_connect_cfm(sco, status);
1745 hci_dev_unlock(hdev);
1748 static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1750 struct hci_cp_sniff_mode *cp;
1751 struct hci_conn *conn;
1753 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1758 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1764 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1766 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1768 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1769 hci_sco_setup(conn, status);
1772 hci_dev_unlock(hdev);
1775 static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1777 struct hci_cp_exit_sniff_mode *cp;
1778 struct hci_conn *conn;
1780 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1785 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1791 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1793 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1795 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1796 hci_sco_setup(conn, status);
1799 hci_dev_unlock(hdev);
1802 static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1804 struct hci_cp_disconnect *cp;
1805 struct hci_conn *conn;
1810 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1816 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1818 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
1819 conn->dst_type, status);
1821 hci_dev_unlock(hdev);
1824 static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1826 struct hci_cp_create_phy_link *cp;
1828 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1830 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1837 struct hci_conn *hcon;
1839 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1843 amp_write_remote_assoc(hdev, cp->phy_handle);
1846 hci_dev_unlock(hdev);
1849 static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1851 struct hci_cp_accept_phy_link *cp;
1853 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1858 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1862 amp_write_remote_assoc(hdev, cp->phy_handle);
1865 static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1867 struct hci_cp_le_create_conn *cp;
1868 struct hci_conn *conn;
1870 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1872 /* All connection failure handling is taken care of by the
1873 * hci_le_conn_failed function which is triggered by the HCI
1874 * request completion callbacks used for connecting.
1879 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1885 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1889 /* Store the initiator and responder address information which
1890 * is needed for SMP. These values will not change during the
1891 * lifetime of the connection.
1893 conn->init_addr_type = cp->own_address_type;
1894 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1895 bacpy(&conn->init_addr, &hdev->random_addr);
1897 bacpy(&conn->init_addr, &hdev->bdaddr);
1899 conn->resp_addr_type = cp->peer_addr_type;
1900 bacpy(&conn->resp_addr, &cp->peer_addr);
1902 /* We don't want the connection attempt to stick around
1903 * indefinitely since LE doesn't have a page timeout concept
1904 * like BR/EDR. Set a timer for any connection that doesn't use
1905 * the white list for connecting.
1907 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1908 queue_delayed_work(conn->hdev->workqueue,
1909 &conn->le_conn_timeout,
1910 conn->conn_timeout);
1913 hci_dev_unlock(hdev);
1916 static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1918 struct hci_cp_le_start_enc *cp;
1919 struct hci_conn *conn;
1921 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1928 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1932 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1936 if (conn->state != BT_CONNECTED)
1939 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1940 hci_conn_drop(conn);
1943 hci_dev_unlock(hdev);
1946 static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1948 __u8 status = *((__u8 *) skb->data);
1949 struct discovery_state *discov = &hdev->discovery;
1950 struct inquiry_entry *e;
1952 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1954 hci_conn_check_pending(hdev);
1956 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1959 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
1960 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1962 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
1967 if (discov->state != DISCOVERY_FINDING)
1970 if (list_empty(&discov->resolve)) {
1971 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1975 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1976 if (e && hci_resolve_name(hdev, e) == 0) {
1977 e->name_state = NAME_PENDING;
1978 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1980 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1984 hci_dev_unlock(hdev);
1987 static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1989 struct inquiry_data data;
1990 struct inquiry_info *info = (void *) (skb->data + 1);
1991 int num_rsp = *((__u8 *) skb->data);
1993 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1998 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2003 for (; num_rsp; num_rsp--, info++) {
2006 bacpy(&data.bdaddr, &info->bdaddr);
2007 data.pscan_rep_mode = info->pscan_rep_mode;
2008 data.pscan_period_mode = info->pscan_period_mode;
2009 data.pscan_mode = info->pscan_mode;
2010 memcpy(data.dev_class, info->dev_class, 3);
2011 data.clock_offset = info->clock_offset;
2013 data.ssp_mode = 0x00;
2015 flags = hci_inquiry_cache_update(hdev, &data, false);
2017 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2018 info->dev_class, 0, flags, NULL, 0, NULL, 0);
2021 hci_dev_unlock(hdev);
2024 static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2026 struct hci_ev_conn_complete *ev = (void *) skb->data;
2027 struct hci_conn *conn;
2029 BT_DBG("%s", hdev->name);
2033 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
2035 if (ev->link_type != SCO_LINK)
2038 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2042 conn->type = SCO_LINK;
2046 conn->handle = __le16_to_cpu(ev->handle);
2048 if (conn->type == ACL_LINK) {
2049 conn->state = BT_CONFIG;
2050 hci_conn_hold(conn);
2052 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2053 !hci_find_link_key(hdev, &ev->bdaddr))
2054 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2056 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2058 conn->state = BT_CONNECTED;
2060 hci_conn_add_sysfs(conn);
2062 if (test_bit(HCI_AUTH, &hdev->flags))
2063 set_bit(HCI_CONN_AUTH, &conn->flags);
2065 if (test_bit(HCI_ENCRYPT, &hdev->flags))
2066 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
2068 /* Get remote features */
2069 if (conn->type == ACL_LINK) {
2070 struct hci_cp_read_remote_features cp;
2071 cp.handle = ev->handle;
2072 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
2076 /* Set packet type for incoming connection */
2077 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
2078 struct hci_cp_change_conn_ptype cp;
2079 cp.handle = ev->handle;
2080 cp.pkt_type = cpu_to_le16(conn->pkt_type);
2081 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2085 conn->state = BT_CLOSED;
2086 if (conn->type == ACL_LINK)
2087 mgmt_connect_failed(hdev, &conn->dst, conn->type,
2088 conn->dst_type, ev->status);
2091 if (conn->type == ACL_LINK)
2092 hci_sco_setup(conn, ev->status);
2095 hci_proto_connect_cfm(conn, ev->status);
2097 } else if (ev->link_type != ACL_LINK)
2098 hci_proto_connect_cfm(conn, ev->status);
2101 hci_dev_unlock(hdev);
2103 hci_conn_check_pending(hdev);
2106 static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2108 struct hci_cp_reject_conn_req cp;
2110 bacpy(&cp.bdaddr, bdaddr);
2111 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2112 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2115 static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2117 struct hci_ev_conn_request *ev = (void *) skb->data;
2118 int mask = hdev->link_mode;
2119 struct inquiry_entry *ie;
2120 struct hci_conn *conn;
2123 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
2126 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2129 if (!(mask & HCI_LM_ACCEPT)) {
2130 hci_reject_conn(hdev, &ev->bdaddr);
2134 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2136 hci_reject_conn(hdev, &ev->bdaddr);
2140 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2141 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2143 hci_reject_conn(hdev, &ev->bdaddr);
2147 /* Connection accepted */
2151 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2153 memcpy(ie->data.dev_class, ev->dev_class, 3);
2155 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2158 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2161 BT_ERR("No memory for new connection");
2162 hci_dev_unlock(hdev);
2167 memcpy(conn->dev_class, ev->dev_class, 3);
2169 hci_dev_unlock(hdev);
2171 if (ev->link_type == ACL_LINK ||
2172 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2173 struct hci_cp_accept_conn_req cp;
2174 conn->state = BT_CONNECT;
2176 bacpy(&cp.bdaddr, &ev->bdaddr);
2178 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2179 cp.role = 0x00; /* Become master */
2181 cp.role = 0x01; /* Remain slave */
2183 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2184 } else if (!(flags & HCI_PROTO_DEFER)) {
2185 struct hci_cp_accept_sync_conn_req cp;
2186 conn->state = BT_CONNECT;
2188 bacpy(&cp.bdaddr, &ev->bdaddr);
2189 cp.pkt_type = cpu_to_le16(conn->pkt_type);
2191 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2192 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2193 cp.max_latency = cpu_to_le16(0xffff);
2194 cp.content_format = cpu_to_le16(hdev->voice_setting);
2195 cp.retrans_effort = 0xff;
2197 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2200 conn->state = BT_CONNECT2;
2201 hci_proto_connect_cfm(conn, 0);
2205 static u8 hci_to_mgmt_reason(u8 err)
2208 case HCI_ERROR_CONNECTION_TIMEOUT:
2209 return MGMT_DEV_DISCONN_TIMEOUT;
2210 case HCI_ERROR_REMOTE_USER_TERM:
2211 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2212 case HCI_ERROR_REMOTE_POWER_OFF:
2213 return MGMT_DEV_DISCONN_REMOTE;
2214 case HCI_ERROR_LOCAL_HOST_TERM:
2215 return MGMT_DEV_DISCONN_LOCAL_HOST;
2217 return MGMT_DEV_DISCONN_UNKNOWN;
2221 static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2223 struct hci_ev_disconn_complete *ev = (void *) skb->data;
2224 u8 reason = hci_to_mgmt_reason(ev->reason);
2225 struct hci_conn_params *params;
2226 struct hci_conn *conn;
2227 bool mgmt_connected;
2230 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2234 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2239 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2240 conn->dst_type, ev->status);
2244 conn->state = BT_CLOSED;
2246 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2247 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2248 reason, mgmt_connected);
2250 if (conn->type == ACL_LINK &&
2251 test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2252 hci_remove_link_key(hdev, &conn->dst);
2254 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2256 switch (params->auto_connect) {
2257 case HCI_AUTO_CONN_LINK_LOSS:
2258 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2262 case HCI_AUTO_CONN_DIRECT:
2263 case HCI_AUTO_CONN_ALWAYS:
2264 list_del_init(¶ms->action);
2265 list_add(¶ms->action, &hdev->pend_le_conns);
2266 hci_update_background_scan(hdev);
2276 hci_proto_disconn_cfm(conn, ev->reason);
2279 /* Re-enable advertising if necessary, since it might
2280 * have been disabled by the connection. From the
2281 * HCI_LE_Set_Advertise_Enable command description in
2282 * the core specification (v4.0):
2283 * "The Controller shall continue advertising until the Host
2284 * issues an LE_Set_Advertise_Enable command with
2285 * Advertising_Enable set to 0x00 (Advertising is disabled)
2286 * or until a connection is created or until the Advertising
2287 * is timed out due to Directed Advertising."
2289 if (type == LE_LINK)
2290 mgmt_reenable_advertising(hdev);
2293 hci_dev_unlock(hdev);
2296 static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2298 struct hci_ev_auth_complete *ev = (void *) skb->data;
2299 struct hci_conn *conn;
2301 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2305 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2310 if (!hci_conn_ssp_enabled(conn) &&
2311 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
2312 BT_INFO("re-auth of legacy device is not possible.");
2314 set_bit(HCI_CONN_AUTH, &conn->flags);
2315 conn->sec_level = conn->pending_sec_level;
2318 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
2322 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2323 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
2325 if (conn->state == BT_CONFIG) {
2326 if (!ev->status && hci_conn_ssp_enabled(conn)) {
2327 struct hci_cp_set_conn_encrypt cp;
2328 cp.handle = ev->handle;
2330 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2333 conn->state = BT_CONNECTED;
2334 hci_proto_connect_cfm(conn, ev->status);
2335 hci_conn_drop(conn);
2338 hci_auth_cfm(conn, ev->status);
2340 hci_conn_hold(conn);
2341 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2342 hci_conn_drop(conn);
2345 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
2347 struct hci_cp_set_conn_encrypt cp;
2348 cp.handle = ev->handle;
2350 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2353 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2354 hci_encrypt_cfm(conn, ev->status, 0x00);
2359 hci_dev_unlock(hdev);
2362 static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
2364 struct hci_ev_remote_name *ev = (void *) skb->data;
2365 struct hci_conn *conn;
2367 BT_DBG("%s", hdev->name);
2369 hci_conn_check_pending(hdev);
2373 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2375 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2378 if (ev->status == 0)
2379 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
2380 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
2382 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2388 if (!hci_outgoing_auth_needed(hdev, conn))
2391 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
2392 struct hci_cp_auth_requested cp;
2394 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2396 cp.handle = __cpu_to_le16(conn->handle);
2397 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2401 hci_dev_unlock(hdev);
2404 static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2406 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2407 struct hci_conn *conn;
2409 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2413 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2419 /* Encryption implies authentication */
2420 set_bit(HCI_CONN_AUTH, &conn->flags);
2421 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
2422 conn->sec_level = conn->pending_sec_level;
2424 /* P-256 authentication key implies FIPS */
2425 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
2426 set_bit(HCI_CONN_FIPS, &conn->flags);
2428 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2429 conn->type == LE_LINK)
2430 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2432 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
2433 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2437 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2439 if (ev->status && conn->state == BT_CONNECTED) {
2440 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2441 hci_conn_drop(conn);
2445 if (conn->state == BT_CONFIG) {
2447 conn->state = BT_CONNECTED;
2449 /* In Secure Connections Only mode, do not allow any
2450 * connections that are not encrypted with AES-CCM
2451 * using a P-256 authenticated combination key.
2453 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2454 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2455 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2456 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2457 hci_conn_drop(conn);
2461 hci_proto_connect_cfm(conn, ev->status);
2462 hci_conn_drop(conn);
2464 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2467 hci_dev_unlock(hdev);
2470 static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2471 struct sk_buff *skb)
2473 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
2474 struct hci_conn *conn;
2476 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2480 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2483 set_bit(HCI_CONN_SECURE, &conn->flags);
2485 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2487 hci_key_change_cfm(conn, ev->status);
2490 hci_dev_unlock(hdev);
2493 static void hci_remote_features_evt(struct hci_dev *hdev,
2494 struct sk_buff *skb)
2496 struct hci_ev_remote_features *ev = (void *) skb->data;
2497 struct hci_conn *conn;
2499 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2503 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2508 memcpy(conn->features[0], ev->features, 8);
2510 if (conn->state != BT_CONFIG)
2513 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2514 struct hci_cp_read_remote_ext_features cp;
2515 cp.handle = ev->handle;
2517 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
2522 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2523 struct hci_cp_remote_name_req cp;
2524 memset(&cp, 0, sizeof(cp));
2525 bacpy(&cp.bdaddr, &conn->dst);
2526 cp.pscan_rep_mode = 0x02;
2527 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2528 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2529 mgmt_device_connected(hdev, &conn->dst, conn->type,
2530 conn->dst_type, 0, NULL, 0,
2533 if (!hci_outgoing_auth_needed(hdev, conn)) {
2534 conn->state = BT_CONNECTED;
2535 hci_proto_connect_cfm(conn, ev->status);
2536 hci_conn_drop(conn);
2540 hci_dev_unlock(hdev);
2543 static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2545 struct hci_ev_cmd_complete *ev = (void *) skb->data;
2546 u8 status = skb->data[sizeof(*ev)];
2549 skb_pull(skb, sizeof(*ev));
2551 opcode = __le16_to_cpu(ev->opcode);
2554 case HCI_OP_INQUIRY_CANCEL:
2555 hci_cc_inquiry_cancel(hdev, skb);
2558 case HCI_OP_PERIODIC_INQ:
2559 hci_cc_periodic_inq(hdev, skb);
2562 case HCI_OP_EXIT_PERIODIC_INQ:
2563 hci_cc_exit_periodic_inq(hdev, skb);
2566 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2567 hci_cc_remote_name_req_cancel(hdev, skb);
2570 case HCI_OP_ROLE_DISCOVERY:
2571 hci_cc_role_discovery(hdev, skb);
2574 case HCI_OP_READ_LINK_POLICY:
2575 hci_cc_read_link_policy(hdev, skb);
2578 case HCI_OP_WRITE_LINK_POLICY:
2579 hci_cc_write_link_policy(hdev, skb);
2582 case HCI_OP_READ_DEF_LINK_POLICY:
2583 hci_cc_read_def_link_policy(hdev, skb);
2586 case HCI_OP_WRITE_DEF_LINK_POLICY:
2587 hci_cc_write_def_link_policy(hdev, skb);
2591 hci_cc_reset(hdev, skb);
2594 case HCI_OP_WRITE_LOCAL_NAME:
2595 hci_cc_write_local_name(hdev, skb);
2598 case HCI_OP_READ_LOCAL_NAME:
2599 hci_cc_read_local_name(hdev, skb);
2602 case HCI_OP_WRITE_AUTH_ENABLE:
2603 hci_cc_write_auth_enable(hdev, skb);
2606 case HCI_OP_WRITE_ENCRYPT_MODE:
2607 hci_cc_write_encrypt_mode(hdev, skb);
2610 case HCI_OP_WRITE_SCAN_ENABLE:
2611 hci_cc_write_scan_enable(hdev, skb);
2614 case HCI_OP_READ_CLASS_OF_DEV:
2615 hci_cc_read_class_of_dev(hdev, skb);
2618 case HCI_OP_WRITE_CLASS_OF_DEV:
2619 hci_cc_write_class_of_dev(hdev, skb);
2622 case HCI_OP_READ_VOICE_SETTING:
2623 hci_cc_read_voice_setting(hdev, skb);
2626 case HCI_OP_WRITE_VOICE_SETTING:
2627 hci_cc_write_voice_setting(hdev, skb);
2630 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2631 hci_cc_read_num_supported_iac(hdev, skb);
2634 case HCI_OP_WRITE_SSP_MODE:
2635 hci_cc_write_ssp_mode(hdev, skb);
2638 case HCI_OP_WRITE_SC_SUPPORT:
2639 hci_cc_write_sc_support(hdev, skb);
2642 case HCI_OP_READ_LOCAL_VERSION:
2643 hci_cc_read_local_version(hdev, skb);
2646 case HCI_OP_READ_LOCAL_COMMANDS:
2647 hci_cc_read_local_commands(hdev, skb);
2650 case HCI_OP_READ_LOCAL_FEATURES:
2651 hci_cc_read_local_features(hdev, skb);
2654 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2655 hci_cc_read_local_ext_features(hdev, skb);
2658 case HCI_OP_READ_BUFFER_SIZE:
2659 hci_cc_read_buffer_size(hdev, skb);
2662 case HCI_OP_READ_BD_ADDR:
2663 hci_cc_read_bd_addr(hdev, skb);
2666 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2667 hci_cc_read_page_scan_activity(hdev, skb);
2670 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2671 hci_cc_write_page_scan_activity(hdev, skb);
2674 case HCI_OP_READ_PAGE_SCAN_TYPE:
2675 hci_cc_read_page_scan_type(hdev, skb);
2678 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2679 hci_cc_write_page_scan_type(hdev, skb);
2682 case HCI_OP_READ_DATA_BLOCK_SIZE:
2683 hci_cc_read_data_block_size(hdev, skb);
2686 case HCI_OP_READ_FLOW_CONTROL_MODE:
2687 hci_cc_read_flow_control_mode(hdev, skb);
2690 case HCI_OP_READ_LOCAL_AMP_INFO:
2691 hci_cc_read_local_amp_info(hdev, skb);
2694 case HCI_OP_READ_CLOCK:
2695 hci_cc_read_clock(hdev, skb);
2698 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2699 hci_cc_read_local_amp_assoc(hdev, skb);
2702 case HCI_OP_READ_INQ_RSP_TX_POWER:
2703 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2706 case HCI_OP_PIN_CODE_REPLY:
2707 hci_cc_pin_code_reply(hdev, skb);
2710 case HCI_OP_PIN_CODE_NEG_REPLY:
2711 hci_cc_pin_code_neg_reply(hdev, skb);
2714 case HCI_OP_READ_LOCAL_OOB_DATA:
2715 hci_cc_read_local_oob_data(hdev, skb);
2718 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2719 hci_cc_read_local_oob_ext_data(hdev, skb);
2722 case HCI_OP_LE_READ_BUFFER_SIZE:
2723 hci_cc_le_read_buffer_size(hdev, skb);
2726 case HCI_OP_LE_READ_LOCAL_FEATURES:
2727 hci_cc_le_read_local_features(hdev, skb);
2730 case HCI_OP_LE_READ_ADV_TX_POWER:
2731 hci_cc_le_read_adv_tx_power(hdev, skb);
2734 case HCI_OP_USER_CONFIRM_REPLY:
2735 hci_cc_user_confirm_reply(hdev, skb);
2738 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2739 hci_cc_user_confirm_neg_reply(hdev, skb);
2742 case HCI_OP_USER_PASSKEY_REPLY:
2743 hci_cc_user_passkey_reply(hdev, skb);
2746 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2747 hci_cc_user_passkey_neg_reply(hdev, skb);
2750 case HCI_OP_LE_SET_RANDOM_ADDR:
2751 hci_cc_le_set_random_addr(hdev, skb);
2754 case HCI_OP_LE_SET_ADV_ENABLE:
2755 hci_cc_le_set_adv_enable(hdev, skb);
2758 case HCI_OP_LE_SET_SCAN_PARAM:
2759 hci_cc_le_set_scan_param(hdev, skb);
2762 case HCI_OP_LE_SET_SCAN_ENABLE:
2763 hci_cc_le_set_scan_enable(hdev, skb);
2766 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2767 hci_cc_le_read_white_list_size(hdev, skb);
2770 case HCI_OP_LE_CLEAR_WHITE_LIST:
2771 hci_cc_le_clear_white_list(hdev, skb);
2774 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2775 hci_cc_le_add_to_white_list(hdev, skb);
2778 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2779 hci_cc_le_del_from_white_list(hdev, skb);
2782 case HCI_OP_LE_READ_SUPPORTED_STATES:
2783 hci_cc_le_read_supported_states(hdev, skb);
2786 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2787 hci_cc_write_le_host_supported(hdev, skb);
2790 case HCI_OP_LE_SET_ADV_PARAM:
2791 hci_cc_set_adv_param(hdev, skb);
2794 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2795 hci_cc_write_remote_amp_assoc(hdev, skb);
2798 case HCI_OP_READ_RSSI:
2799 hci_cc_read_rssi(hdev, skb);
2802 case HCI_OP_READ_TX_POWER:
2803 hci_cc_read_tx_power(hdev, skb);
2807 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2811 if (opcode != HCI_OP_NOP)
2812 cancel_delayed_work(&hdev->cmd_timer);
2814 hci_req_cmd_complete(hdev, opcode, status);
2816 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2817 atomic_set(&hdev->cmd_cnt, 1);
2818 if (!skb_queue_empty(&hdev->cmd_q))
2819 queue_work(hdev->workqueue, &hdev->cmd_work);
2823 static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
2825 struct hci_ev_cmd_status *ev = (void *) skb->data;
2828 skb_pull(skb, sizeof(*ev));
2830 opcode = __le16_to_cpu(ev->opcode);
2833 case HCI_OP_INQUIRY:
2834 hci_cs_inquiry(hdev, ev->status);
2837 case HCI_OP_CREATE_CONN:
2838 hci_cs_create_conn(hdev, ev->status);
2841 case HCI_OP_ADD_SCO:
2842 hci_cs_add_sco(hdev, ev->status);
2845 case HCI_OP_AUTH_REQUESTED:
2846 hci_cs_auth_requested(hdev, ev->status);
2849 case HCI_OP_SET_CONN_ENCRYPT:
2850 hci_cs_set_conn_encrypt(hdev, ev->status);
2853 case HCI_OP_REMOTE_NAME_REQ:
2854 hci_cs_remote_name_req(hdev, ev->status);
2857 case HCI_OP_READ_REMOTE_FEATURES:
2858 hci_cs_read_remote_features(hdev, ev->status);
2861 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2862 hci_cs_read_remote_ext_features(hdev, ev->status);
2865 case HCI_OP_SETUP_SYNC_CONN:
2866 hci_cs_setup_sync_conn(hdev, ev->status);
2869 case HCI_OP_SNIFF_MODE:
2870 hci_cs_sniff_mode(hdev, ev->status);
2873 case HCI_OP_EXIT_SNIFF_MODE:
2874 hci_cs_exit_sniff_mode(hdev, ev->status);
2877 case HCI_OP_DISCONNECT:
2878 hci_cs_disconnect(hdev, ev->status);
2881 case HCI_OP_CREATE_PHY_LINK:
2882 hci_cs_create_phylink(hdev, ev->status);
2885 case HCI_OP_ACCEPT_PHY_LINK:
2886 hci_cs_accept_phylink(hdev, ev->status);
2889 case HCI_OP_LE_CREATE_CONN:
2890 hci_cs_le_create_conn(hdev, ev->status);
2893 case HCI_OP_LE_START_ENC:
2894 hci_cs_le_start_enc(hdev, ev->status);
2898 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
2902 if (opcode != HCI_OP_NOP)
2903 cancel_delayed_work(&hdev->cmd_timer);
2906 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2907 hci_req_cmd_complete(hdev, opcode, ev->status);
2909 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2910 atomic_set(&hdev->cmd_cnt, 1);
2911 if (!skb_queue_empty(&hdev->cmd_q))
2912 queue_work(hdev->workqueue, &hdev->cmd_work);
2916 static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2918 struct hci_ev_role_change *ev = (void *) skb->data;
2919 struct hci_conn *conn;
2921 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
2925 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2928 conn->role = ev->role;
2930 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2932 hci_role_switch_cfm(conn, ev->status, ev->role);
2935 hci_dev_unlock(hdev);
2938 static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
2940 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
2943 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2944 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2948 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
2949 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
2950 BT_DBG("%s bad parameters", hdev->name);
2954 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2956 for (i = 0; i < ev->num_hndl; i++) {
2957 struct hci_comp_pkts_info *info = &ev->handles[i];
2958 struct hci_conn *conn;
2959 __u16 handle, count;
2961 handle = __le16_to_cpu(info->handle);
2962 count = __le16_to_cpu(info->count);
2964 conn = hci_conn_hash_lookup_handle(hdev, handle);
2968 conn->sent -= count;
2970 switch (conn->type) {
2972 hdev->acl_cnt += count;
2973 if (hdev->acl_cnt > hdev->acl_pkts)
2974 hdev->acl_cnt = hdev->acl_pkts;
2978 if (hdev->le_pkts) {
2979 hdev->le_cnt += count;
2980 if (hdev->le_cnt > hdev->le_pkts)
2981 hdev->le_cnt = hdev->le_pkts;
2983 hdev->acl_cnt += count;
2984 if (hdev->acl_cnt > hdev->acl_pkts)
2985 hdev->acl_cnt = hdev->acl_pkts;
2990 hdev->sco_cnt += count;
2991 if (hdev->sco_cnt > hdev->sco_pkts)
2992 hdev->sco_cnt = hdev->sco_pkts;
2996 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3001 queue_work(hdev->workqueue, &hdev->tx_work);
3004 static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3007 struct hci_chan *chan;
3009 switch (hdev->dev_type) {
3011 return hci_conn_hash_lookup_handle(hdev, handle);
3013 chan = hci_chan_lookup_handle(hdev, handle);
3018 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3025 static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
3027 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3030 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3031 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3035 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
3036 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
3037 BT_DBG("%s bad parameters", hdev->name);
3041 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
3044 for (i = 0; i < ev->num_hndl; i++) {
3045 struct hci_comp_blocks_info *info = &ev->handles[i];
3046 struct hci_conn *conn = NULL;
3047 __u16 handle, block_count;
3049 handle = __le16_to_cpu(info->handle);
3050 block_count = __le16_to_cpu(info->blocks);
3052 conn = __hci_conn_lookup_handle(hdev, handle);
3056 conn->sent -= block_count;
3058 switch (conn->type) {
3061 hdev->block_cnt += block_count;
3062 if (hdev->block_cnt > hdev->num_blocks)
3063 hdev->block_cnt = hdev->num_blocks;
3067 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3072 queue_work(hdev->workqueue, &hdev->tx_work);
3075 static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3077 struct hci_ev_mode_change *ev = (void *) skb->data;
3078 struct hci_conn *conn;
3080 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3084 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3086 conn->mode = ev->mode;
3088 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3090 if (conn->mode == HCI_CM_ACTIVE)
3091 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
3093 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
3096 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
3097 hci_sco_setup(conn, ev->status);
3100 hci_dev_unlock(hdev);
3103 static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3105 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3106 struct hci_conn *conn;
3108 BT_DBG("%s", hdev->name);
3112 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3116 if (conn->state == BT_CONNECTED) {
3117 hci_conn_hold(conn);
3118 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
3119 hci_conn_drop(conn);
3122 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
3123 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
3124 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
3125 sizeof(ev->bdaddr), &ev->bdaddr);
3126 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
3129 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3134 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
3138 hci_dev_unlock(hdev);
3141 static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3143 struct hci_ev_link_key_req *ev = (void *) skb->data;
3144 struct hci_cp_link_key_reply cp;
3145 struct hci_conn *conn;
3146 struct link_key *key;
3148 BT_DBG("%s", hdev->name);
3150 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3155 key = hci_find_link_key(hdev, &ev->bdaddr);
3157 BT_DBG("%s link key not found for %pMR", hdev->name,
3162 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3165 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3167 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3168 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
3169 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
3170 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3174 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
3175 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3176 conn->pending_sec_level == BT_SECURITY_FIPS)) {
3177 BT_DBG("%s ignoring key unauthenticated for high security",
3182 conn->key_type = key->type;
3183 conn->pin_length = key->pin_len;
3186 bacpy(&cp.bdaddr, &ev->bdaddr);
3187 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
3189 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3191 hci_dev_unlock(hdev);
3196 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3197 hci_dev_unlock(hdev);
3200 static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3202 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3203 struct hci_conn *conn;
3204 struct link_key *key;
3208 BT_DBG("%s", hdev->name);
3212 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3214 hci_conn_hold(conn);
3215 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3216 pin_len = conn->pin_length;
3218 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3219 conn->key_type = ev->key_type;
3221 hci_conn_drop(conn);
3224 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3227 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3228 ev->key_type, pin_len, &persistent);
3232 mgmt_new_link_key(hdev, key, persistent);
3234 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3235 * is set. If it's not set simply remove the key from the kernel
3236 * list (we've still notified user space about it but with
3237 * store_hint being 0).
3239 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3240 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3241 list_del(&key->list);
3245 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3247 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3251 hci_dev_unlock(hdev);
3254 static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
3256 struct hci_ev_clock_offset *ev = (void *) skb->data;
3257 struct hci_conn *conn;
3259 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3263 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3264 if (conn && !ev->status) {
3265 struct inquiry_entry *ie;
3267 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3269 ie->data.clock_offset = ev->clock_offset;
3270 ie->timestamp = jiffies;
3274 hci_dev_unlock(hdev);
3277 static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
3279 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3280 struct hci_conn *conn;
3282 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3286 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3287 if (conn && !ev->status)
3288 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3290 hci_dev_unlock(hdev);
3293 static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
3295 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
3296 struct inquiry_entry *ie;
3298 BT_DBG("%s", hdev->name);
3302 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3304 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3305 ie->timestamp = jiffies;
3308 hci_dev_unlock(hdev);
3311 static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3312 struct sk_buff *skb)
3314 struct inquiry_data data;
3315 int num_rsp = *((__u8 *) skb->data);
3317 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3322 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3327 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
3328 struct inquiry_info_with_rssi_and_pscan_mode *info;
3329 info = (void *) (skb->data + 1);
3331 for (; num_rsp; num_rsp--, info++) {
3334 bacpy(&data.bdaddr, &info->bdaddr);
3335 data.pscan_rep_mode = info->pscan_rep_mode;
3336 data.pscan_period_mode = info->pscan_period_mode;
3337 data.pscan_mode = info->pscan_mode;
3338 memcpy(data.dev_class, info->dev_class, 3);
3339 data.clock_offset = info->clock_offset;
3340 data.rssi = info->rssi;
3341 data.ssp_mode = 0x00;
3343 flags = hci_inquiry_cache_update(hdev, &data, false);
3345 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3346 info->dev_class, info->rssi,
3347 flags, NULL, 0, NULL, 0);
3350 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3352 for (; num_rsp; num_rsp--, info++) {
3355 bacpy(&data.bdaddr, &info->bdaddr);
3356 data.pscan_rep_mode = info->pscan_rep_mode;
3357 data.pscan_period_mode = info->pscan_period_mode;
3358 data.pscan_mode = 0x00;
3359 memcpy(data.dev_class, info->dev_class, 3);
3360 data.clock_offset = info->clock_offset;
3361 data.rssi = info->rssi;
3362 data.ssp_mode = 0x00;
3364 flags = hci_inquiry_cache_update(hdev, &data, false);
3366 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3367 info->dev_class, info->rssi,
3368 flags, NULL, 0, NULL, 0);
3372 hci_dev_unlock(hdev);
3375 static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3376 struct sk_buff *skb)
3378 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3379 struct hci_conn *conn;
3381 BT_DBG("%s", hdev->name);
3385 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3389 if (ev->page < HCI_MAX_PAGES)
3390 memcpy(conn->features[ev->page], ev->features, 8);
3392 if (!ev->status && ev->page == 0x01) {
3393 struct inquiry_entry *ie;
3395 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3397 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3399 if (ev->features[0] & LMP_HOST_SSP) {
3400 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3402 /* It is mandatory by the Bluetooth specification that
3403 * Extended Inquiry Results are only used when Secure
3404 * Simple Pairing is enabled, but some devices violate
3407 * To make these devices work, the internal SSP
3408 * enabled flag needs to be cleared if the remote host
3409 * features do not indicate SSP support */
3410 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3413 if (ev->features[0] & LMP_HOST_SC)
3414 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
3417 if (conn->state != BT_CONFIG)
3420 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
3421 struct hci_cp_remote_name_req cp;
3422 memset(&cp, 0, sizeof(cp));
3423 bacpy(&cp.bdaddr, &conn->dst);
3424 cp.pscan_rep_mode = 0x02;
3425 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
3426 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3427 mgmt_device_connected(hdev, &conn->dst, conn->type,
3428 conn->dst_type, 0, NULL, 0,
3431 if (!hci_outgoing_auth_needed(hdev, conn)) {
3432 conn->state = BT_CONNECTED;
3433 hci_proto_connect_cfm(conn, ev->status);
3434 hci_conn_drop(conn);
3438 hci_dev_unlock(hdev);
3441 static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3442 struct sk_buff *skb)
3444 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3445 struct hci_conn *conn;
3447 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3451 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
3453 if (ev->link_type == ESCO_LINK)
3456 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3460 conn->type = SCO_LINK;
3463 switch (ev->status) {
3465 conn->handle = __le16_to_cpu(ev->handle);
3466 conn->state = BT_CONNECTED;
3468 hci_conn_add_sysfs(conn);
3471 case 0x10: /* Connection Accept Timeout */
3472 case 0x0d: /* Connection Rejected due to Limited Resources */
3473 case 0x11: /* Unsupported Feature or Parameter Value */
3474 case 0x1c: /* SCO interval rejected */
3475 case 0x1a: /* Unsupported Remote Feature */
3476 case 0x1f: /* Unspecified error */
3477 case 0x20: /* Unsupported LMP Parameter value */
3479 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3480 (hdev->esco_type & EDR_ESCO_MASK);
3481 if (hci_setup_sync(conn, conn->link->handle))
3487 conn->state = BT_CLOSED;
3491 hci_proto_connect_cfm(conn, ev->status);
3496 hci_dev_unlock(hdev);
3499 static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3503 while (parsed < eir_len) {
3504 u8 field_len = eir[0];
3509 parsed += field_len + 1;
3510 eir += field_len + 1;
3516 static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3517 struct sk_buff *skb)
3519 struct inquiry_data data;
3520 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3521 int num_rsp = *((__u8 *) skb->data);
3524 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3529 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3534 for (; num_rsp; num_rsp--, info++) {
3538 bacpy(&data.bdaddr, &info->bdaddr);
3539 data.pscan_rep_mode = info->pscan_rep_mode;
3540 data.pscan_period_mode = info->pscan_period_mode;
3541 data.pscan_mode = 0x00;
3542 memcpy(data.dev_class, info->dev_class, 3);
3543 data.clock_offset = info->clock_offset;
3544 data.rssi = info->rssi;
3545 data.ssp_mode = 0x01;
3547 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3548 name_known = eir_has_data_type(info->data,
3554 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3556 eir_len = eir_get_length(info->data, sizeof(info->data));
3558 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3559 info->dev_class, info->rssi,
3560 flags, info->data, eir_len, NULL, 0);
3563 hci_dev_unlock(hdev);
3566 static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3567 struct sk_buff *skb)
3569 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3570 struct hci_conn *conn;
3572 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
3573 __le16_to_cpu(ev->handle));
3577 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3581 /* For BR/EDR the necessary steps are taken through the
3582 * auth_complete event.
3584 if (conn->type != LE_LINK)
3588 conn->sec_level = conn->pending_sec_level;
3590 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3592 if (ev->status && conn->state == BT_CONNECTED) {
3593 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
3594 hci_conn_drop(conn);
3598 if (conn->state == BT_CONFIG) {
3600 conn->state = BT_CONNECTED;
3602 hci_proto_connect_cfm(conn, ev->status);
3603 hci_conn_drop(conn);
3605 hci_auth_cfm(conn, ev->status);
3607 hci_conn_hold(conn);
3608 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3609 hci_conn_drop(conn);
3613 hci_dev_unlock(hdev);
3616 static u8 hci_get_auth_req(struct hci_conn *conn)
3618 /* If remote requests no-bonding follow that lead */
3619 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3620 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
3621 return conn->remote_auth | (conn->auth_type & 0x01);
3623 /* If both remote and local have enough IO capabilities, require
3626 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3627 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3628 return conn->remote_auth | 0x01;
3630 /* No MITM protection possible so ignore remote requirement */
3631 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
3634 static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3636 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3637 struct hci_conn *conn;
3639 BT_DBG("%s", hdev->name);
3643 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3647 hci_conn_hold(conn);
3649 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3652 /* Allow pairing if we're pairable, the initiators of the
3653 * pairing or if the remote is not requesting bonding.
3655 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
3656 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
3657 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
3658 struct hci_cp_io_capability_reply cp;
3660 bacpy(&cp.bdaddr, &ev->bdaddr);
3661 /* Change the IO capability from KeyboardDisplay
3662 * to DisplayYesNo as it is not supported by BT spec. */
3663 cp.capability = (conn->io_capability == 0x04) ?
3664 HCI_IO_DISPLAY_YESNO : conn->io_capability;
3666 /* If we are initiators, there is no remote information yet */
3667 if (conn->remote_auth == 0xff) {
3668 /* Request MITM protection if our IO caps allow it
3669 * except for the no-bonding case.
3671 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
3672 conn->auth_type != HCI_AT_NO_BONDING)
3673 conn->auth_type |= 0x01;
3675 conn->auth_type = hci_get_auth_req(conn);
3678 /* If we're not bondable, force one of the non-bondable
3679 * authentication requirement values.
3681 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3682 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3684 cp.authentication = conn->auth_type;
3686 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3687 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
3692 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
3695 struct hci_cp_io_capability_neg_reply cp;
3697 bacpy(&cp.bdaddr, &ev->bdaddr);
3698 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
3700 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
3705 hci_dev_unlock(hdev);
3708 static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
3710 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3711 struct hci_conn *conn;
3713 BT_DBG("%s", hdev->name);
3717 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3721 conn->remote_cap = ev->capability;
3722 conn->remote_auth = ev->authentication;
3724 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
3727 hci_dev_unlock(hdev);
3730 static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3731 struct sk_buff *skb)
3733 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
3734 int loc_mitm, rem_mitm, confirm_hint = 0;
3735 struct hci_conn *conn;
3737 BT_DBG("%s", hdev->name);
3741 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3744 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3748 loc_mitm = (conn->auth_type & 0x01);
3749 rem_mitm = (conn->remote_auth & 0x01);
3751 /* If we require MITM but the remote device can't provide that
3752 * (it has NoInputNoOutput) then reject the confirmation
3753 * request. We check the security level here since it doesn't
3754 * necessarily match conn->auth_type.
3756 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3757 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
3758 BT_DBG("Rejecting request: remote device can't provide MITM");
3759 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
3760 sizeof(ev->bdaddr), &ev->bdaddr);
3764 /* If no side requires MITM protection; auto-accept */
3765 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3766 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
3768 /* If we're not the initiators request authorization to
3769 * proceed from user space (mgmt_user_confirm with
3770 * confirm_hint set to 1). The exception is if neither
3771 * side had MITM or if the local IO capability is
3772 * NoInputNoOutput, in which case we do auto-accept
3774 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
3775 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
3776 (loc_mitm || rem_mitm)) {
3777 BT_DBG("Confirming auto-accept as acceptor");
3782 BT_DBG("Auto-accept of user confirmation with %ums delay",
3783 hdev->auto_accept_delay);
3785 if (hdev->auto_accept_delay > 0) {
3786 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
3787 queue_delayed_work(conn->hdev->workqueue,
3788 &conn->auto_accept_work, delay);
3792 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
3793 sizeof(ev->bdaddr), &ev->bdaddr);
3798 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3799 le32_to_cpu(ev->passkey), confirm_hint);
3802 hci_dev_unlock(hdev);
3805 static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3806 struct sk_buff *skb)
3808 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3810 BT_DBG("%s", hdev->name);
3812 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3813 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
3816 static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3817 struct sk_buff *skb)
3819 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3820 struct hci_conn *conn;
3822 BT_DBG("%s", hdev->name);
3824 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3828 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3829 conn->passkey_entered = 0;
3831 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3832 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3833 conn->dst_type, conn->passkey_notify,
3834 conn->passkey_entered);
3837 static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3839 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3840 struct hci_conn *conn;
3842 BT_DBG("%s", hdev->name);
3844 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3849 case HCI_KEYPRESS_STARTED:
3850 conn->passkey_entered = 0;
3853 case HCI_KEYPRESS_ENTERED:
3854 conn->passkey_entered++;
3857 case HCI_KEYPRESS_ERASED:
3858 conn->passkey_entered--;
3861 case HCI_KEYPRESS_CLEARED:
3862 conn->passkey_entered = 0;
3865 case HCI_KEYPRESS_COMPLETED:
3869 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3870 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3871 conn->dst_type, conn->passkey_notify,
3872 conn->passkey_entered);
3875 static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3876 struct sk_buff *skb)
3878 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3879 struct hci_conn *conn;
3881 BT_DBG("%s", hdev->name);
3885 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3889 /* Reset the authentication requirement to unknown */
3890 conn->remote_auth = 0xff;
3892 /* To avoid duplicate auth_failed events to user space we check
3893 * the HCI_CONN_AUTH_PEND flag which will be set if we
3894 * initiated the authentication. A traditional auth_complete
3895 * event gets always produced as initiator and is also mapped to
3896 * the mgmt_auth_failed event */
3897 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
3898 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
3901 hci_conn_drop(conn);
3904 hci_dev_unlock(hdev);
3907 static void hci_remote_host_features_evt(struct hci_dev *hdev,
3908 struct sk_buff *skb)
3910 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3911 struct inquiry_entry *ie;
3912 struct hci_conn *conn;
3914 BT_DBG("%s", hdev->name);
3918 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3920 memcpy(conn->features[1], ev->features, 8);
3922 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3924 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3926 hci_dev_unlock(hdev);
3929 static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3930 struct sk_buff *skb)
3932 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3933 struct oob_data *data;
3935 BT_DBG("%s", hdev->name);
3939 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3942 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3944 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3945 struct hci_cp_remote_oob_ext_data_reply cp;
3947 bacpy(&cp.bdaddr, &ev->bdaddr);
3948 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3949 memcpy(cp.randomizer192, data->randomizer192,
3950 sizeof(cp.randomizer192));
3951 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3952 memcpy(cp.randomizer256, data->randomizer256,
3953 sizeof(cp.randomizer256));
3955 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3958 struct hci_cp_remote_oob_data_reply cp;
3960 bacpy(&cp.bdaddr, &ev->bdaddr);
3961 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3962 memcpy(cp.randomizer, data->randomizer192,
3963 sizeof(cp.randomizer));
3965 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3969 struct hci_cp_remote_oob_data_neg_reply cp;
3971 bacpy(&cp.bdaddr, &ev->bdaddr);
3972 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3977 hci_dev_unlock(hdev);
3980 static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3981 struct sk_buff *skb)
3983 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3984 struct hci_conn *hcon, *bredr_hcon;
3986 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3991 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3993 hci_dev_unlock(hdev);
3999 hci_dev_unlock(hdev);
4003 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4005 hcon->state = BT_CONNECTED;
4006 bacpy(&hcon->dst, &bredr_hcon->dst);
4008 hci_conn_hold(hcon);
4009 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
4010 hci_conn_drop(hcon);
4012 hci_conn_add_sysfs(hcon);
4014 amp_physical_cfm(bredr_hcon, hcon);
4016 hci_dev_unlock(hdev);
4019 static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4021 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4022 struct hci_conn *hcon;
4023 struct hci_chan *hchan;
4024 struct amp_mgr *mgr;
4026 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4027 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4030 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4034 /* Create AMP hchan */
4035 hchan = hci_chan_create(hcon);
4039 hchan->handle = le16_to_cpu(ev->handle);
4041 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4043 mgr = hcon->amp_mgr;
4044 if (mgr && mgr->bredr_chan) {
4045 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4047 l2cap_chan_lock(bredr_chan);
4049 bredr_chan->conn->mtu = hdev->block_mtu;
4050 l2cap_logical_cfm(bredr_chan, hchan, 0);
4051 hci_conn_hold(hcon);
4053 l2cap_chan_unlock(bredr_chan);
4057 static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4058 struct sk_buff *skb)
4060 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4061 struct hci_chan *hchan;
4063 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4064 le16_to_cpu(ev->handle), ev->status);
4071 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4075 amp_destroy_logical_link(hchan, ev->reason);
4078 hci_dev_unlock(hdev);
4081 static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4082 struct sk_buff *skb)
4084 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4085 struct hci_conn *hcon;
4087 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4094 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4096 hcon->state = BT_CLOSED;
4100 hci_dev_unlock(hdev);
4103 static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4105 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
4106 struct hci_conn_params *params;
4107 struct hci_conn *conn;
4108 struct smp_irk *irk;
4111 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4115 /* All controllers implicitly stop advertising in the event of a
4116 * connection, so ensure that the state bit is cleared.
4118 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4120 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
4122 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
4124 BT_ERR("No memory for new connection");
4128 conn->dst_type = ev->bdaddr_type;
4130 /* If we didn't have a hci_conn object previously
4131 * but we're in master role this must be something
4132 * initiated using a white list. Since white list based
4133 * connections are not "first class citizens" we don't
4134 * have full tracking of them. Therefore, we go ahead
4135 * with a "best effort" approach of determining the
4136 * initiator address based on the HCI_PRIVACY flag.
4139 conn->resp_addr_type = ev->bdaddr_type;
4140 bacpy(&conn->resp_addr, &ev->bdaddr);
4141 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4142 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4143 bacpy(&conn->init_addr, &hdev->rpa);
4145 hci_copy_identity_address(hdev,
4147 &conn->init_addr_type);
4151 cancel_delayed_work(&conn->le_conn_timeout);
4155 /* Set the responder (our side) address type based on
4156 * the advertising address type.
4158 conn->resp_addr_type = hdev->adv_addr_type;
4159 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4160 bacpy(&conn->resp_addr, &hdev->random_addr);
4162 bacpy(&conn->resp_addr, &hdev->bdaddr);
4164 conn->init_addr_type = ev->bdaddr_type;
4165 bacpy(&conn->init_addr, &ev->bdaddr);
4167 /* For incoming connections, set the default minimum
4168 * and maximum connection interval. They will be used
4169 * to check if the parameters are in range and if not
4170 * trigger the connection update procedure.
4172 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4173 conn->le_conn_max_interval = hdev->le_conn_max_interval;
4176 /* Lookup the identity address from the stored connection
4177 * address and address type.
4179 * When establishing connections to an identity address, the
4180 * connection procedure will store the resolvable random
4181 * address first. Now if it can be converted back into the
4182 * identity address, start using the identity address from
4185 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
4187 bacpy(&conn->dst, &irk->bdaddr);
4188 conn->dst_type = irk->addr_type;
4191 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4192 addr_type = BDADDR_LE_PUBLIC;
4194 addr_type = BDADDR_LE_RANDOM;
4197 hci_le_conn_failed(conn, ev->status);
4201 /* Drop the connection if the device is blocked */
4202 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4203 hci_conn_drop(conn);
4207 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
4208 mgmt_device_connected(hdev, &conn->dst, conn->type,
4209 conn->dst_type, 0, NULL, 0, NULL);
4211 conn->sec_level = BT_SECURITY_LOW;
4212 conn->handle = __le16_to_cpu(ev->handle);
4213 conn->state = BT_CONNECTED;
4215 conn->le_conn_interval = le16_to_cpu(ev->interval);
4216 conn->le_conn_latency = le16_to_cpu(ev->latency);
4217 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4219 hci_conn_add_sysfs(conn);
4221 hci_proto_connect_cfm(conn, ev->status);
4223 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
4225 list_del_init(¶ms->action);
4228 hci_update_background_scan(hdev);
4229 hci_dev_unlock(hdev);
4232 static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4233 struct sk_buff *skb)
4235 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4236 struct hci_conn *conn;
4238 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4245 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4247 conn->le_conn_interval = le16_to_cpu(ev->interval);
4248 conn->le_conn_latency = le16_to_cpu(ev->latency);
4249 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4252 hci_dev_unlock(hdev);
4255 /* This function requires the caller holds hdev->lock */
4256 static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
4257 u8 addr_type, u8 adv_type)
4259 struct hci_conn *conn;
4260 struct hci_conn_params *params;
4262 /* If the event is not connectable don't proceed further */
4263 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
4266 /* Ignore if the device is blocked */
4267 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
4270 /* Most controller will fail if we try to create new connections
4271 * while we have an existing one in slave role.
4273 if (hdev->conn_hash.le_num_slave > 0)
4276 /* If we're not connectable only connect devices that we have in
4277 * our pend_le_conns list.
4279 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4284 switch (params->auto_connect) {
4285 case HCI_AUTO_CONN_DIRECT:
4286 /* Only devices advertising with ADV_DIRECT_IND are
4287 * triggering a connection attempt. This is allowing
4288 * incoming connections from slave devices.
4290 if (adv_type != LE_ADV_DIRECT_IND)
4293 case HCI_AUTO_CONN_ALWAYS:
4294 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4295 * are triggering a connection attempt. This means
4296 * that incoming connectioms from slave device are
4297 * accepted and also outgoing connections to slave
4298 * devices are established when found.
4305 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
4306 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
4310 switch (PTR_ERR(conn)) {
4312 /* If hci_connect() returns -EBUSY it means there is already
4313 * an LE connection attempt going on. Since controllers don't
4314 * support more than one connection attempt at the time, we
4315 * don't consider this an error case.
4319 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4323 static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4324 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4326 struct discovery_state *d = &hdev->discovery;
4327 struct smp_irk *irk;
4331 /* Check if we need to convert to identity address */
4332 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4334 bdaddr = &irk->bdaddr;
4335 bdaddr_type = irk->addr_type;
4338 /* Check if we have been requested to connect to this device */
4339 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4341 /* Passive scanning shouldn't trigger any device found events,
4342 * except for devices marked as CONN_REPORT for which we do send
4343 * device found events.
4345 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
4346 if (type == LE_ADV_DIRECT_IND)
4349 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4350 bdaddr, bdaddr_type))
4353 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4354 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4357 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4358 rssi, flags, data, len, NULL, 0);
4362 /* When receiving non-connectable or scannable undirected
4363 * advertising reports, this means that the remote device is
4364 * not connectable and then clearly indicate this in the
4365 * device found event.
4367 * When receiving a scan response, then there is no way to
4368 * know if the remote device is connectable or not. However
4369 * since scan responses are merged with a previously seen
4370 * advertising report, the flags field from that report
4373 * In the really unlikely case that a controller get confused
4374 * and just sends a scan response event, then it is marked as
4375 * not connectable as well.
4377 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4378 type == LE_ADV_SCAN_RSP)
4379 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4383 /* If there's nothing pending either store the data from this
4384 * event or send an immediate device found event if the data
4385 * should not be stored for later.
4387 if (!has_pending_adv_report(hdev)) {
4388 /* If the report will trigger a SCAN_REQ store it for
4391 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4392 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
4393 rssi, flags, data, len);
4397 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4398 rssi, flags, data, len, NULL, 0);
4402 /* Check if the pending report is for the same device as the new one */
4403 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4404 bdaddr_type == d->last_adv_addr_type);
4406 /* If the pending data doesn't match this report or this isn't a
4407 * scan response (e.g. we got a duplicate ADV_IND) then force
4408 * sending of the pending data.
4410 if (type != LE_ADV_SCAN_RSP || !match) {
4411 /* Send out whatever is in the cache, but skip duplicates */
4413 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
4414 d->last_adv_addr_type, NULL,
4415 d->last_adv_rssi, d->last_adv_flags,
4417 d->last_adv_data_len, NULL, 0);
4419 /* If the new report will trigger a SCAN_REQ store it for
4422 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4423 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
4424 rssi, flags, data, len);
4428 /* The advertising reports cannot be merged, so clear
4429 * the pending report and send out a device found event.
4431 clear_pending_adv_report(hdev);
4432 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4433 rssi, flags, data, len, NULL, 0);
4437 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4438 * the new event is a SCAN_RSP. We can therefore proceed with
4439 * sending a merged device found event.
4441 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
4442 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
4443 d->last_adv_data, d->last_adv_data_len, data, len);
4444 clear_pending_adv_report(hdev);
4447 static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
4449 u8 num_reports = skb->data[0];
4450 void *ptr = &skb->data[1];
4454 while (num_reports--) {
4455 struct hci_ev_le_advertising_info *ev = ptr;
4458 rssi = ev->data[ev->length];
4459 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4460 ev->bdaddr_type, rssi, ev->data, ev->length);
4462 ptr += sizeof(*ev) + ev->length + 1;
4465 hci_dev_unlock(hdev);
4468 static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
4470 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4471 struct hci_cp_le_ltk_reply cp;
4472 struct hci_cp_le_ltk_neg_reply neg;
4473 struct hci_conn *conn;
4474 struct smp_ltk *ltk;
4476 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
4480 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4484 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
4488 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
4489 cp.handle = cpu_to_le16(conn->handle);
4491 if (ltk->authenticated)
4492 conn->pending_sec_level = BT_SECURITY_HIGH;
4494 conn->pending_sec_level = BT_SECURITY_MEDIUM;
4496 conn->enc_key_size = ltk->enc_size;
4498 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4500 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4501 * temporary key used to encrypt a connection following
4502 * pairing. It is used during the Encrypted Session Setup to
4503 * distribute the keys. Later, security can be re-established
4504 * using a distributed LTK.
4506 if (ltk->type == SMP_STK) {
4507 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
4508 list_del(<k->list);
4511 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
4514 hci_dev_unlock(hdev);
4519 neg.handle = ev->handle;
4520 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4521 hci_dev_unlock(hdev);
4524 static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4527 struct hci_cp_le_conn_param_req_neg_reply cp;
4529 cp.handle = cpu_to_le16(handle);
4532 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4536 static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4537 struct sk_buff *skb)
4539 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4540 struct hci_cp_le_conn_param_req_reply cp;
4541 struct hci_conn *hcon;
4542 u16 handle, min, max, latency, timeout;
4544 handle = le16_to_cpu(ev->handle);
4545 min = le16_to_cpu(ev->interval_min);
4546 max = le16_to_cpu(ev->interval_max);
4547 latency = le16_to_cpu(ev->latency);
4548 timeout = le16_to_cpu(ev->timeout);
4550 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4551 if (!hcon || hcon->state != BT_CONNECTED)
4552 return send_conn_param_neg_reply(hdev, handle,
4553 HCI_ERROR_UNKNOWN_CONN_ID);
4555 if (hci_check_conn_params(min, max, latency, timeout))
4556 return send_conn_param_neg_reply(hdev, handle,
4557 HCI_ERROR_INVALID_LL_PARAMS);
4559 if (hcon->role == HCI_ROLE_MASTER) {
4560 struct hci_conn_params *params;
4565 params = hci_conn_params_lookup(hdev, &hcon->dst,
4568 params->conn_min_interval = min;
4569 params->conn_max_interval = max;
4570 params->conn_latency = latency;
4571 params->supervision_timeout = timeout;
4577 hci_dev_unlock(hdev);
4579 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4580 store_hint, min, max, latency, timeout);
4583 cp.handle = ev->handle;
4584 cp.interval_min = ev->interval_min;
4585 cp.interval_max = ev->interval_max;
4586 cp.latency = ev->latency;
4587 cp.timeout = ev->timeout;
4591 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4594 static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
4596 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4598 skb_pull(skb, sizeof(*le_ev));
4600 switch (le_ev->subevent) {
4601 case HCI_EV_LE_CONN_COMPLETE:
4602 hci_le_conn_complete_evt(hdev, skb);
4605 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4606 hci_le_conn_update_complete_evt(hdev, skb);
4609 case HCI_EV_LE_ADVERTISING_REPORT:
4610 hci_le_adv_report_evt(hdev, skb);
4613 case HCI_EV_LE_LTK_REQ:
4614 hci_le_ltk_request_evt(hdev, skb);
4617 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4618 hci_le_remote_conn_param_req_evt(hdev, skb);
4626 static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4628 struct hci_ev_channel_selected *ev = (void *) skb->data;
4629 struct hci_conn *hcon;
4631 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4633 skb_pull(skb, sizeof(*ev));
4635 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4639 amp_read_loc_assoc_final_data(hdev, hcon);
4642 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4644 struct hci_event_hdr *hdr = (void *) skb->data;
4645 __u8 event = hdr->evt;
4649 /* Received events are (currently) only needed when a request is
4650 * ongoing so avoid unnecessary memory allocation.
4652 if (hci_req_pending(hdev)) {
4653 kfree_skb(hdev->recv_evt);
4654 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4657 hci_dev_unlock(hdev);
4659 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4661 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
4662 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4663 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
4665 hci_req_cmd_complete(hdev, opcode, 0);
4669 case HCI_EV_INQUIRY_COMPLETE:
4670 hci_inquiry_complete_evt(hdev, skb);
4673 case HCI_EV_INQUIRY_RESULT:
4674 hci_inquiry_result_evt(hdev, skb);
4677 case HCI_EV_CONN_COMPLETE:
4678 hci_conn_complete_evt(hdev, skb);
4681 case HCI_EV_CONN_REQUEST:
4682 hci_conn_request_evt(hdev, skb);
4685 case HCI_EV_DISCONN_COMPLETE:
4686 hci_disconn_complete_evt(hdev, skb);
4689 case HCI_EV_AUTH_COMPLETE:
4690 hci_auth_complete_evt(hdev, skb);
4693 case HCI_EV_REMOTE_NAME:
4694 hci_remote_name_evt(hdev, skb);
4697 case HCI_EV_ENCRYPT_CHANGE:
4698 hci_encrypt_change_evt(hdev, skb);
4701 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4702 hci_change_link_key_complete_evt(hdev, skb);
4705 case HCI_EV_REMOTE_FEATURES:
4706 hci_remote_features_evt(hdev, skb);
4709 case HCI_EV_CMD_COMPLETE:
4710 hci_cmd_complete_evt(hdev, skb);
4713 case HCI_EV_CMD_STATUS:
4714 hci_cmd_status_evt(hdev, skb);
4717 case HCI_EV_ROLE_CHANGE:
4718 hci_role_change_evt(hdev, skb);
4721 case HCI_EV_NUM_COMP_PKTS:
4722 hci_num_comp_pkts_evt(hdev, skb);
4725 case HCI_EV_MODE_CHANGE:
4726 hci_mode_change_evt(hdev, skb);
4729 case HCI_EV_PIN_CODE_REQ:
4730 hci_pin_code_request_evt(hdev, skb);
4733 case HCI_EV_LINK_KEY_REQ:
4734 hci_link_key_request_evt(hdev, skb);
4737 case HCI_EV_LINK_KEY_NOTIFY:
4738 hci_link_key_notify_evt(hdev, skb);
4741 case HCI_EV_CLOCK_OFFSET:
4742 hci_clock_offset_evt(hdev, skb);
4745 case HCI_EV_PKT_TYPE_CHANGE:
4746 hci_pkt_type_change_evt(hdev, skb);
4749 case HCI_EV_PSCAN_REP_MODE:
4750 hci_pscan_rep_mode_evt(hdev, skb);
4753 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4754 hci_inquiry_result_with_rssi_evt(hdev, skb);
4757 case HCI_EV_REMOTE_EXT_FEATURES:
4758 hci_remote_ext_features_evt(hdev, skb);
4761 case HCI_EV_SYNC_CONN_COMPLETE:
4762 hci_sync_conn_complete_evt(hdev, skb);
4765 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4766 hci_extended_inquiry_result_evt(hdev, skb);
4769 case HCI_EV_KEY_REFRESH_COMPLETE:
4770 hci_key_refresh_complete_evt(hdev, skb);
4773 case HCI_EV_IO_CAPA_REQUEST:
4774 hci_io_capa_request_evt(hdev, skb);
4777 case HCI_EV_IO_CAPA_REPLY:
4778 hci_io_capa_reply_evt(hdev, skb);
4781 case HCI_EV_USER_CONFIRM_REQUEST:
4782 hci_user_confirm_request_evt(hdev, skb);
4785 case HCI_EV_USER_PASSKEY_REQUEST:
4786 hci_user_passkey_request_evt(hdev, skb);
4789 case HCI_EV_USER_PASSKEY_NOTIFY:
4790 hci_user_passkey_notify_evt(hdev, skb);
4793 case HCI_EV_KEYPRESS_NOTIFY:
4794 hci_keypress_notify_evt(hdev, skb);
4797 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4798 hci_simple_pair_complete_evt(hdev, skb);
4801 case HCI_EV_REMOTE_HOST_FEATURES:
4802 hci_remote_host_features_evt(hdev, skb);
4805 case HCI_EV_LE_META:
4806 hci_le_meta_evt(hdev, skb);
4809 case HCI_EV_CHANNEL_SELECTED:
4810 hci_chan_selected_evt(hdev, skb);
4813 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4814 hci_remote_oob_data_request_evt(hdev, skb);
4817 case HCI_EV_PHY_LINK_COMPLETE:
4818 hci_phy_link_complete_evt(hdev, skb);
4821 case HCI_EV_LOGICAL_LINK_COMPLETE:
4822 hci_loglink_complete_evt(hdev, skb);
4825 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4826 hci_disconn_loglink_complete_evt(hdev, skb);
4829 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4830 hci_disconn_phylink_complete_evt(hdev, skb);
4833 case HCI_EV_NUM_COMP_BLOCKS:
4834 hci_num_comp_blocks_evt(hdev, skb);
4838 BT_DBG("%s event 0x%2.2x", hdev->name, event);
4843 hdev->stat.evt_rx++;