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
, conn
, 0, name
, name_len
);
1582 if (discov
->state
== DISCOVERY_STOPPED
)
1585 if (discov
->state
== DISCOVERY_STOPPING
)
1586 goto discov_complete
;
1588 if (discov
->state
!= DISCOVERY_RESOLVING
)
1591 e
= hci_inquiry_cache_lookup_resolve(hdev
, bdaddr
, NAME_PENDING
);
1592 /* If the device was not found in a list of found devices names of which
1593 * are pending. there is no need to continue resolving a next name as it
1594 * will be done upon receiving another Remote Name Request Complete
1601 e
->name_state
= NAME_KNOWN
;
1602 mgmt_remote_name(hdev
, bdaddr
, ACL_LINK
, 0x00,
1603 e
->data
.rssi
, name
, name_len
);
1605 e
->name_state
= NAME_NOT_KNOWN
;
1608 if (hci_resolve_next_name(hdev
))
1612 hci_discovery_set_state(hdev
, DISCOVERY_STOPPED
);
1615 static void hci_cs_remote_name_req(struct hci_dev
*hdev
, __u8 status
)
1617 struct hci_cp_remote_name_req
*cp
;
1618 struct hci_conn
*conn
;
1620 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1622 /* If successful wait for the name req complete event before
1623 * checking for the need to do authentication */
1627 cp
= hci_sent_cmd_data(hdev
, HCI_OP_REMOTE_NAME_REQ
);
1633 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &cp
->bdaddr
);
1635 if (test_bit(HCI_MGMT
, &hdev
->dev_flags
))
1636 hci_check_pending_name(hdev
, conn
, &cp
->bdaddr
, NULL
, 0);
1641 if (!hci_outgoing_auth_needed(hdev
, conn
))
1644 if (!test_and_set_bit(HCI_CONN_AUTH_PEND
, &conn
->flags
)) {
1645 struct hci_cp_auth_requested auth_cp
;
1647 set_bit(HCI_CONN_AUTH_INITIATOR
, &conn
->flags
);
1649 auth_cp
.handle
= __cpu_to_le16(conn
->handle
);
1650 hci_send_cmd(hdev
, HCI_OP_AUTH_REQUESTED
,
1651 sizeof(auth_cp
), &auth_cp
);
1655 hci_dev_unlock(hdev
);
1658 static void hci_cs_read_remote_features(struct hci_dev
*hdev
, __u8 status
)
1660 struct hci_cp_read_remote_features
*cp
;
1661 struct hci_conn
*conn
;
1663 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1668 cp
= hci_sent_cmd_data(hdev
, HCI_OP_READ_REMOTE_FEATURES
);
1674 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(cp
->handle
));
1676 if (conn
->state
== BT_CONFIG
) {
1677 hci_proto_connect_cfm(conn
, status
);
1678 hci_conn_drop(conn
);
1682 hci_dev_unlock(hdev
);
1685 static void hci_cs_read_remote_ext_features(struct hci_dev
*hdev
, __u8 status
)
1687 struct hci_cp_read_remote_ext_features
*cp
;
1688 struct hci_conn
*conn
;
1690 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1695 cp
= hci_sent_cmd_data(hdev
, HCI_OP_READ_REMOTE_EXT_FEATURES
);
1701 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(cp
->handle
));
1703 if (conn
->state
== BT_CONFIG
) {
1704 hci_proto_connect_cfm(conn
, status
);
1705 hci_conn_drop(conn
);
1709 hci_dev_unlock(hdev
);
1712 static void hci_cs_setup_sync_conn(struct hci_dev
*hdev
, __u8 status
)
1714 struct hci_cp_setup_sync_conn
*cp
;
1715 struct hci_conn
*acl
, *sco
;
1718 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1723 cp
= hci_sent_cmd_data(hdev
, HCI_OP_SETUP_SYNC_CONN
);
1727 handle
= __le16_to_cpu(cp
->handle
);
1729 BT_DBG("%s handle 0x%4.4x", hdev
->name
, handle
);
1733 acl
= hci_conn_hash_lookup_handle(hdev
, handle
);
1737 sco
->state
= BT_CLOSED
;
1739 hci_proto_connect_cfm(sco
, status
);
1744 hci_dev_unlock(hdev
);
1747 static void hci_cs_sniff_mode(struct hci_dev
*hdev
, __u8 status
)
1749 struct hci_cp_sniff_mode
*cp
;
1750 struct hci_conn
*conn
;
1752 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1757 cp
= hci_sent_cmd_data(hdev
, HCI_OP_SNIFF_MODE
);
1763 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(cp
->handle
));
1765 clear_bit(HCI_CONN_MODE_CHANGE_PEND
, &conn
->flags
);
1767 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND
, &conn
->flags
))
1768 hci_sco_setup(conn
, status
);
1771 hci_dev_unlock(hdev
);
1774 static void hci_cs_exit_sniff_mode(struct hci_dev
*hdev
, __u8 status
)
1776 struct hci_cp_exit_sniff_mode
*cp
;
1777 struct hci_conn
*conn
;
1779 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1784 cp
= hci_sent_cmd_data(hdev
, HCI_OP_EXIT_SNIFF_MODE
);
1790 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(cp
->handle
));
1792 clear_bit(HCI_CONN_MODE_CHANGE_PEND
, &conn
->flags
);
1794 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND
, &conn
->flags
))
1795 hci_sco_setup(conn
, status
);
1798 hci_dev_unlock(hdev
);
1801 static void hci_cs_disconnect(struct hci_dev
*hdev
, u8 status
)
1803 struct hci_cp_disconnect
*cp
;
1804 struct hci_conn
*conn
;
1809 cp
= hci_sent_cmd_data(hdev
, HCI_OP_DISCONNECT
);
1815 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(cp
->handle
));
1817 mgmt_disconnect_failed(hdev
, &conn
->dst
, conn
->type
,
1818 conn
->dst_type
, status
);
1820 hci_dev_unlock(hdev
);
1823 static void hci_cs_create_phylink(struct hci_dev
*hdev
, u8 status
)
1825 struct hci_cp_create_phy_link
*cp
;
1827 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1829 cp
= hci_sent_cmd_data(hdev
, HCI_OP_CREATE_PHY_LINK
);
1836 struct hci_conn
*hcon
;
1838 hcon
= hci_conn_hash_lookup_handle(hdev
, cp
->phy_handle
);
1842 amp_write_remote_assoc(hdev
, cp
->phy_handle
);
1845 hci_dev_unlock(hdev
);
1848 static void hci_cs_accept_phylink(struct hci_dev
*hdev
, u8 status
)
1850 struct hci_cp_accept_phy_link
*cp
;
1852 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1857 cp
= hci_sent_cmd_data(hdev
, HCI_OP_ACCEPT_PHY_LINK
);
1861 amp_write_remote_assoc(hdev
, cp
->phy_handle
);
1864 static void hci_cs_le_create_conn(struct hci_dev
*hdev
, u8 status
)
1866 struct hci_cp_le_create_conn
*cp
;
1867 struct hci_conn
*conn
;
1869 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1871 /* All connection failure handling is taken care of by the
1872 * hci_le_conn_failed function which is triggered by the HCI
1873 * request completion callbacks used for connecting.
1878 cp
= hci_sent_cmd_data(hdev
, HCI_OP_LE_CREATE_CONN
);
1884 conn
= hci_conn_hash_lookup_ba(hdev
, LE_LINK
, &cp
->peer_addr
);
1888 /* Store the initiator and responder address information which
1889 * is needed for SMP. These values will not change during the
1890 * lifetime of the connection.
1892 conn
->init_addr_type
= cp
->own_address_type
;
1893 if (cp
->own_address_type
== ADDR_LE_DEV_RANDOM
)
1894 bacpy(&conn
->init_addr
, &hdev
->random_addr
);
1896 bacpy(&conn
->init_addr
, &hdev
->bdaddr
);
1898 conn
->resp_addr_type
= cp
->peer_addr_type
;
1899 bacpy(&conn
->resp_addr
, &cp
->peer_addr
);
1901 /* We don't want the connection attempt to stick around
1902 * indefinitely since LE doesn't have a page timeout concept
1903 * like BR/EDR. Set a timer for any connection that doesn't use
1904 * the white list for connecting.
1906 if (cp
->filter_policy
== HCI_LE_USE_PEER_ADDR
)
1907 queue_delayed_work(conn
->hdev
->workqueue
,
1908 &conn
->le_conn_timeout
,
1909 conn
->conn_timeout
);
1912 hci_dev_unlock(hdev
);
1915 static void hci_cs_le_start_enc(struct hci_dev
*hdev
, u8 status
)
1917 struct hci_cp_le_start_enc
*cp
;
1918 struct hci_conn
*conn
;
1920 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1927 cp
= hci_sent_cmd_data(hdev
, HCI_OP_LE_START_ENC
);
1931 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(cp
->handle
));
1935 if (conn
->state
!= BT_CONNECTED
)
1938 hci_disconnect(conn
, HCI_ERROR_AUTH_FAILURE
);
1939 hci_conn_drop(conn
);
1942 hci_dev_unlock(hdev
);
1945 static void hci_inquiry_complete_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1947 __u8 status
= *((__u8
*) skb
->data
);
1948 struct discovery_state
*discov
= &hdev
->discovery
;
1949 struct inquiry_entry
*e
;
1951 BT_DBG("%s status 0x%2.2x", hdev
->name
, status
);
1953 hci_conn_check_pending(hdev
);
1955 if (!test_and_clear_bit(HCI_INQUIRY
, &hdev
->flags
))
1958 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
1959 wake_up_bit(&hdev
->flags
, HCI_INQUIRY
);
1961 if (!test_bit(HCI_MGMT
, &hdev
->dev_flags
))
1966 if (discov
->state
!= DISCOVERY_FINDING
)
1969 if (list_empty(&discov
->resolve
)) {
1970 hci_discovery_set_state(hdev
, DISCOVERY_STOPPED
);
1974 e
= hci_inquiry_cache_lookup_resolve(hdev
, BDADDR_ANY
, NAME_NEEDED
);
1975 if (e
&& hci_resolve_name(hdev
, e
) == 0) {
1976 e
->name_state
= NAME_PENDING
;
1977 hci_discovery_set_state(hdev
, DISCOVERY_RESOLVING
);
1979 hci_discovery_set_state(hdev
, DISCOVERY_STOPPED
);
1983 hci_dev_unlock(hdev
);
1986 static void hci_inquiry_result_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1988 struct inquiry_data data
;
1989 struct inquiry_info
*info
= (void *) (skb
->data
+ 1);
1990 int num_rsp
= *((__u8
*) skb
->data
);
1992 BT_DBG("%s num_rsp %d", hdev
->name
, num_rsp
);
1997 if (test_bit(HCI_PERIODIC_INQ
, &hdev
->dev_flags
))
2002 for (; num_rsp
; num_rsp
--, info
++) {
2005 bacpy(&data
.bdaddr
, &info
->bdaddr
);
2006 data
.pscan_rep_mode
= info
->pscan_rep_mode
;
2007 data
.pscan_period_mode
= info
->pscan_period_mode
;
2008 data
.pscan_mode
= info
->pscan_mode
;
2009 memcpy(data
.dev_class
, info
->dev_class
, 3);
2010 data
.clock_offset
= info
->clock_offset
;
2012 data
.ssp_mode
= 0x00;
2014 flags
= hci_inquiry_cache_update(hdev
, &data
, false);
2016 mgmt_device_found(hdev
, &info
->bdaddr
, ACL_LINK
, 0x00,
2017 info
->dev_class
, 0, flags
, NULL
, 0, NULL
, 0);
2020 hci_dev_unlock(hdev
);
2023 static void hci_conn_complete_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2025 struct hci_ev_conn_complete
*ev
= (void *) skb
->data
;
2026 struct hci_conn
*conn
;
2028 BT_DBG("%s", hdev
->name
);
2032 conn
= hci_conn_hash_lookup_ba(hdev
, ev
->link_type
, &ev
->bdaddr
);
2034 if (ev
->link_type
!= SCO_LINK
)
2037 conn
= hci_conn_hash_lookup_ba(hdev
, ESCO_LINK
, &ev
->bdaddr
);
2041 conn
->type
= SCO_LINK
;
2045 conn
->handle
= __le16_to_cpu(ev
->handle
);
2047 if (conn
->type
== ACL_LINK
) {
2048 conn
->state
= BT_CONFIG
;
2049 hci_conn_hold(conn
);
2051 if (!conn
->out
&& !hci_conn_ssp_enabled(conn
) &&
2052 !hci_find_link_key(hdev
, &ev
->bdaddr
))
2053 conn
->disc_timeout
= HCI_PAIRING_TIMEOUT
;
2055 conn
->disc_timeout
= HCI_DISCONN_TIMEOUT
;
2057 conn
->state
= BT_CONNECTED
;
2059 hci_conn_add_sysfs(conn
);
2061 if (test_bit(HCI_AUTH
, &hdev
->flags
))
2062 set_bit(HCI_CONN_AUTH
, &conn
->flags
);
2064 if (test_bit(HCI_ENCRYPT
, &hdev
->flags
))
2065 set_bit(HCI_CONN_ENCRYPT
, &conn
->flags
);
2067 /* Get remote features */
2068 if (conn
->type
== ACL_LINK
) {
2069 struct hci_cp_read_remote_features cp
;
2070 cp
.handle
= ev
->handle
;
2071 hci_send_cmd(hdev
, HCI_OP_READ_REMOTE_FEATURES
,
2074 hci_update_page_scan(hdev
, NULL
);
2077 /* Set packet type for incoming connection */
2078 if (!conn
->out
&& hdev
->hci_ver
< BLUETOOTH_VER_2_0
) {
2079 struct hci_cp_change_conn_ptype cp
;
2080 cp
.handle
= ev
->handle
;
2081 cp
.pkt_type
= cpu_to_le16(conn
->pkt_type
);
2082 hci_send_cmd(hdev
, HCI_OP_CHANGE_CONN_PTYPE
, sizeof(cp
),
2086 conn
->state
= BT_CLOSED
;
2087 if (conn
->type
== ACL_LINK
)
2088 mgmt_connect_failed(hdev
, &conn
->dst
, conn
->type
,
2089 conn
->dst_type
, ev
->status
);
2092 if (conn
->type
== ACL_LINK
)
2093 hci_sco_setup(conn
, ev
->status
);
2096 hci_proto_connect_cfm(conn
, ev
->status
);
2098 } else if (ev
->link_type
!= ACL_LINK
)
2099 hci_proto_connect_cfm(conn
, ev
->status
);
2102 hci_dev_unlock(hdev
);
2104 hci_conn_check_pending(hdev
);
2107 static void hci_reject_conn(struct hci_dev
*hdev
, bdaddr_t
*bdaddr
)
2109 struct hci_cp_reject_conn_req cp
;
2111 bacpy(&cp
.bdaddr
, bdaddr
);
2112 cp
.reason
= HCI_ERROR_REJ_BAD_ADDR
;
2113 hci_send_cmd(hdev
, HCI_OP_REJECT_CONN_REQ
, sizeof(cp
), &cp
);
2116 static void hci_conn_request_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2118 struct hci_ev_conn_request
*ev
= (void *) skb
->data
;
2119 int mask
= hdev
->link_mode
;
2120 struct inquiry_entry
*ie
;
2121 struct hci_conn
*conn
;
2124 BT_DBG("%s bdaddr %pMR type 0x%x", hdev
->name
, &ev
->bdaddr
,
2127 mask
|= hci_proto_connect_ind(hdev
, &ev
->bdaddr
, ev
->link_type
,
2130 if (!(mask
& HCI_LM_ACCEPT
)) {
2131 hci_reject_conn(hdev
, &ev
->bdaddr
);
2135 if (hci_bdaddr_list_lookup(&hdev
->blacklist
, &ev
->bdaddr
,
2137 hci_reject_conn(hdev
, &ev
->bdaddr
);
2141 if (!test_bit(HCI_CONNECTABLE
, &hdev
->dev_flags
) &&
2142 !hci_bdaddr_list_lookup(&hdev
->whitelist
, &ev
->bdaddr
,
2144 hci_reject_conn(hdev
, &ev
->bdaddr
);
2148 /* Connection accepted */
2152 ie
= hci_inquiry_cache_lookup(hdev
, &ev
->bdaddr
);
2154 memcpy(ie
->data
.dev_class
, ev
->dev_class
, 3);
2156 conn
= hci_conn_hash_lookup_ba(hdev
, ev
->link_type
,
2159 conn
= hci_conn_add(hdev
, ev
->link_type
, &ev
->bdaddr
,
2162 BT_ERR("No memory for new connection");
2163 hci_dev_unlock(hdev
);
2168 memcpy(conn
->dev_class
, ev
->dev_class
, 3);
2170 hci_dev_unlock(hdev
);
2172 if (ev
->link_type
== ACL_LINK
||
2173 (!(flags
& HCI_PROTO_DEFER
) && !lmp_esco_capable(hdev
))) {
2174 struct hci_cp_accept_conn_req cp
;
2175 conn
->state
= BT_CONNECT
;
2177 bacpy(&cp
.bdaddr
, &ev
->bdaddr
);
2179 if (lmp_rswitch_capable(hdev
) && (mask
& HCI_LM_MASTER
))
2180 cp
.role
= 0x00; /* Become master */
2182 cp
.role
= 0x01; /* Remain slave */
2184 hci_send_cmd(hdev
, HCI_OP_ACCEPT_CONN_REQ
, sizeof(cp
), &cp
);
2185 } else if (!(flags
& HCI_PROTO_DEFER
)) {
2186 struct hci_cp_accept_sync_conn_req cp
;
2187 conn
->state
= BT_CONNECT
;
2189 bacpy(&cp
.bdaddr
, &ev
->bdaddr
);
2190 cp
.pkt_type
= cpu_to_le16(conn
->pkt_type
);
2192 cp
.tx_bandwidth
= cpu_to_le32(0x00001f40);
2193 cp
.rx_bandwidth
= cpu_to_le32(0x00001f40);
2194 cp
.max_latency
= cpu_to_le16(0xffff);
2195 cp
.content_format
= cpu_to_le16(hdev
->voice_setting
);
2196 cp
.retrans_effort
= 0xff;
2198 hci_send_cmd(hdev
, HCI_OP_ACCEPT_SYNC_CONN_REQ
, sizeof(cp
),
2201 conn
->state
= BT_CONNECT2
;
2202 hci_proto_connect_cfm(conn
, 0);
2206 static u8
hci_to_mgmt_reason(u8 err
)
2209 case HCI_ERROR_CONNECTION_TIMEOUT
:
2210 return MGMT_DEV_DISCONN_TIMEOUT
;
2211 case HCI_ERROR_REMOTE_USER_TERM
:
2212 case HCI_ERROR_REMOTE_LOW_RESOURCES
:
2213 case HCI_ERROR_REMOTE_POWER_OFF
:
2214 return MGMT_DEV_DISCONN_REMOTE
;
2215 case HCI_ERROR_LOCAL_HOST_TERM
:
2216 return MGMT_DEV_DISCONN_LOCAL_HOST
;
2218 return MGMT_DEV_DISCONN_UNKNOWN
;
2222 static void hci_disconn_complete_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2224 struct hci_ev_disconn_complete
*ev
= (void *) skb
->data
;
2225 u8 reason
= hci_to_mgmt_reason(ev
->reason
);
2226 struct hci_conn_params
*params
;
2227 struct hci_conn
*conn
;
2228 bool mgmt_connected
;
2231 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
2235 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
2240 mgmt_disconnect_failed(hdev
, &conn
->dst
, conn
->type
,
2241 conn
->dst_type
, ev
->status
);
2245 conn
->state
= BT_CLOSED
;
2247 mgmt_connected
= test_and_clear_bit(HCI_CONN_MGMT_CONNECTED
, &conn
->flags
);
2248 mgmt_device_disconnected(hdev
, &conn
->dst
, conn
->type
, conn
->dst_type
,
2249 reason
, mgmt_connected
);
2251 if (conn
->type
== ACL_LINK
) {
2252 if (test_bit(HCI_CONN_FLUSH_KEY
, &conn
->flags
))
2253 hci_remove_link_key(hdev
, &conn
->dst
);
2255 hci_update_page_scan(hdev
, NULL
);
2258 params
= hci_conn_params_lookup(hdev
, &conn
->dst
, conn
->dst_type
);
2260 switch (params
->auto_connect
) {
2261 case HCI_AUTO_CONN_LINK_LOSS
:
2262 if (ev
->reason
!= HCI_ERROR_CONNECTION_TIMEOUT
)
2266 case HCI_AUTO_CONN_DIRECT
:
2267 case HCI_AUTO_CONN_ALWAYS
:
2268 list_del_init(¶ms
->action
);
2269 list_add(¶ms
->action
, &hdev
->pend_le_conns
);
2270 hci_update_background_scan(hdev
);
2280 hci_proto_disconn_cfm(conn
, ev
->reason
);
2283 /* Re-enable advertising if necessary, since it might
2284 * have been disabled by the connection. From the
2285 * HCI_LE_Set_Advertise_Enable command description in
2286 * the core specification (v4.0):
2287 * "The Controller shall continue advertising until the Host
2288 * issues an LE_Set_Advertise_Enable command with
2289 * Advertising_Enable set to 0x00 (Advertising is disabled)
2290 * or until a connection is created or until the Advertising
2291 * is timed out due to Directed Advertising."
2293 if (type
== LE_LINK
)
2294 mgmt_reenable_advertising(hdev
);
2297 hci_dev_unlock(hdev
);
2300 static void hci_auth_complete_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2302 struct hci_ev_auth_complete
*ev
= (void *) skb
->data
;
2303 struct hci_conn
*conn
;
2305 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
2309 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
2314 if (!hci_conn_ssp_enabled(conn
) &&
2315 test_bit(HCI_CONN_REAUTH_PEND
, &conn
->flags
)) {
2316 BT_INFO("re-auth of legacy device is not possible.");
2318 set_bit(HCI_CONN_AUTH
, &conn
->flags
);
2319 conn
->sec_level
= conn
->pending_sec_level
;
2322 mgmt_auth_failed(conn
, ev
->status
);
2325 clear_bit(HCI_CONN_AUTH_PEND
, &conn
->flags
);
2326 clear_bit(HCI_CONN_REAUTH_PEND
, &conn
->flags
);
2328 if (conn
->state
== BT_CONFIG
) {
2329 if (!ev
->status
&& hci_conn_ssp_enabled(conn
)) {
2330 struct hci_cp_set_conn_encrypt cp
;
2331 cp
.handle
= ev
->handle
;
2333 hci_send_cmd(hdev
, HCI_OP_SET_CONN_ENCRYPT
, sizeof(cp
),
2336 conn
->state
= BT_CONNECTED
;
2337 hci_proto_connect_cfm(conn
, ev
->status
);
2338 hci_conn_drop(conn
);
2341 hci_auth_cfm(conn
, ev
->status
);
2343 hci_conn_hold(conn
);
2344 conn
->disc_timeout
= HCI_DISCONN_TIMEOUT
;
2345 hci_conn_drop(conn
);
2348 if (test_bit(HCI_CONN_ENCRYPT_PEND
, &conn
->flags
)) {
2350 struct hci_cp_set_conn_encrypt cp
;
2351 cp
.handle
= ev
->handle
;
2353 hci_send_cmd(hdev
, HCI_OP_SET_CONN_ENCRYPT
, sizeof(cp
),
2356 clear_bit(HCI_CONN_ENCRYPT_PEND
, &conn
->flags
);
2357 hci_encrypt_cfm(conn
, ev
->status
, 0x00);
2362 hci_dev_unlock(hdev
);
2365 static void hci_remote_name_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2367 struct hci_ev_remote_name
*ev
= (void *) skb
->data
;
2368 struct hci_conn
*conn
;
2370 BT_DBG("%s", hdev
->name
);
2372 hci_conn_check_pending(hdev
);
2376 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
2378 if (!test_bit(HCI_MGMT
, &hdev
->dev_flags
))
2381 if (ev
->status
== 0)
2382 hci_check_pending_name(hdev
, conn
, &ev
->bdaddr
, ev
->name
,
2383 strnlen(ev
->name
, HCI_MAX_NAME_LENGTH
));
2385 hci_check_pending_name(hdev
, conn
, &ev
->bdaddr
, NULL
, 0);
2391 if (!hci_outgoing_auth_needed(hdev
, conn
))
2394 if (!test_and_set_bit(HCI_CONN_AUTH_PEND
, &conn
->flags
)) {
2395 struct hci_cp_auth_requested cp
;
2397 set_bit(HCI_CONN_AUTH_INITIATOR
, &conn
->flags
);
2399 cp
.handle
= __cpu_to_le16(conn
->handle
);
2400 hci_send_cmd(hdev
, HCI_OP_AUTH_REQUESTED
, sizeof(cp
), &cp
);
2404 hci_dev_unlock(hdev
);
2407 static void hci_encrypt_change_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2409 struct hci_ev_encrypt_change
*ev
= (void *) skb
->data
;
2410 struct hci_conn
*conn
;
2412 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
2416 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
2422 /* Encryption implies authentication */
2423 set_bit(HCI_CONN_AUTH
, &conn
->flags
);
2424 set_bit(HCI_CONN_ENCRYPT
, &conn
->flags
);
2425 conn
->sec_level
= conn
->pending_sec_level
;
2427 /* P-256 authentication key implies FIPS */
2428 if (conn
->key_type
== HCI_LK_AUTH_COMBINATION_P256
)
2429 set_bit(HCI_CONN_FIPS
, &conn
->flags
);
2431 if ((conn
->type
== ACL_LINK
&& ev
->encrypt
== 0x02) ||
2432 conn
->type
== LE_LINK
)
2433 set_bit(HCI_CONN_AES_CCM
, &conn
->flags
);
2435 clear_bit(HCI_CONN_ENCRYPT
, &conn
->flags
);
2436 clear_bit(HCI_CONN_AES_CCM
, &conn
->flags
);
2440 /* We should disregard the current RPA and generate a new one
2441 * whenever the encryption procedure fails.
2443 if (ev
->status
&& conn
->type
== LE_LINK
)
2444 set_bit(HCI_RPA_EXPIRED
, &hdev
->dev_flags
);
2446 clear_bit(HCI_CONN_ENCRYPT_PEND
, &conn
->flags
);
2448 if (ev
->status
&& conn
->state
== BT_CONNECTED
) {
2449 hci_disconnect(conn
, HCI_ERROR_AUTH_FAILURE
);
2450 hci_conn_drop(conn
);
2454 if (conn
->state
== BT_CONFIG
) {
2456 conn
->state
= BT_CONNECTED
;
2458 /* In Secure Connections Only mode, do not allow any
2459 * connections that are not encrypted with AES-CCM
2460 * using a P-256 authenticated combination key.
2462 if (test_bit(HCI_SC_ONLY
, &hdev
->dev_flags
) &&
2463 (!test_bit(HCI_CONN_AES_CCM
, &conn
->flags
) ||
2464 conn
->key_type
!= HCI_LK_AUTH_COMBINATION_P256
)) {
2465 hci_proto_connect_cfm(conn
, HCI_ERROR_AUTH_FAILURE
);
2466 hci_conn_drop(conn
);
2470 hci_proto_connect_cfm(conn
, ev
->status
);
2471 hci_conn_drop(conn
);
2473 hci_encrypt_cfm(conn
, ev
->status
, ev
->encrypt
);
2476 hci_dev_unlock(hdev
);
2479 static void hci_change_link_key_complete_evt(struct hci_dev
*hdev
,
2480 struct sk_buff
*skb
)
2482 struct hci_ev_change_link_key_complete
*ev
= (void *) skb
->data
;
2483 struct hci_conn
*conn
;
2485 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
2489 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
2492 set_bit(HCI_CONN_SECURE
, &conn
->flags
);
2494 clear_bit(HCI_CONN_AUTH_PEND
, &conn
->flags
);
2496 hci_key_change_cfm(conn
, ev
->status
);
2499 hci_dev_unlock(hdev
);
2502 static void hci_remote_features_evt(struct hci_dev
*hdev
,
2503 struct sk_buff
*skb
)
2505 struct hci_ev_remote_features
*ev
= (void *) skb
->data
;
2506 struct hci_conn
*conn
;
2508 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
2512 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
2517 memcpy(conn
->features
[0], ev
->features
, 8);
2519 if (conn
->state
!= BT_CONFIG
)
2522 if (!ev
->status
&& lmp_ssp_capable(hdev
) && lmp_ssp_capable(conn
)) {
2523 struct hci_cp_read_remote_ext_features cp
;
2524 cp
.handle
= ev
->handle
;
2526 hci_send_cmd(hdev
, HCI_OP_READ_REMOTE_EXT_FEATURES
,
2531 if (!ev
->status
&& !test_bit(HCI_CONN_MGMT_CONNECTED
, &conn
->flags
)) {
2532 struct hci_cp_remote_name_req cp
;
2533 memset(&cp
, 0, sizeof(cp
));
2534 bacpy(&cp
.bdaddr
, &conn
->dst
);
2535 cp
.pscan_rep_mode
= 0x02;
2536 hci_send_cmd(hdev
, HCI_OP_REMOTE_NAME_REQ
, sizeof(cp
), &cp
);
2537 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED
, &conn
->flags
))
2538 mgmt_device_connected(hdev
, conn
, 0, NULL
, 0);
2540 if (!hci_outgoing_auth_needed(hdev
, conn
)) {
2541 conn
->state
= BT_CONNECTED
;
2542 hci_proto_connect_cfm(conn
, ev
->status
);
2543 hci_conn_drop(conn
);
2547 hci_dev_unlock(hdev
);
2550 static void hci_cmd_complete_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2552 struct hci_ev_cmd_complete
*ev
= (void *) skb
->data
;
2553 u8 status
= skb
->data
[sizeof(*ev
)];
2556 skb_pull(skb
, sizeof(*ev
));
2558 opcode
= __le16_to_cpu(ev
->opcode
);
2561 case HCI_OP_INQUIRY_CANCEL
:
2562 hci_cc_inquiry_cancel(hdev
, skb
);
2565 case HCI_OP_PERIODIC_INQ
:
2566 hci_cc_periodic_inq(hdev
, skb
);
2569 case HCI_OP_EXIT_PERIODIC_INQ
:
2570 hci_cc_exit_periodic_inq(hdev
, skb
);
2573 case HCI_OP_REMOTE_NAME_REQ_CANCEL
:
2574 hci_cc_remote_name_req_cancel(hdev
, skb
);
2577 case HCI_OP_ROLE_DISCOVERY
:
2578 hci_cc_role_discovery(hdev
, skb
);
2581 case HCI_OP_READ_LINK_POLICY
:
2582 hci_cc_read_link_policy(hdev
, skb
);
2585 case HCI_OP_WRITE_LINK_POLICY
:
2586 hci_cc_write_link_policy(hdev
, skb
);
2589 case HCI_OP_READ_DEF_LINK_POLICY
:
2590 hci_cc_read_def_link_policy(hdev
, skb
);
2593 case HCI_OP_WRITE_DEF_LINK_POLICY
:
2594 hci_cc_write_def_link_policy(hdev
, skb
);
2598 hci_cc_reset(hdev
, skb
);
2601 case HCI_OP_WRITE_LOCAL_NAME
:
2602 hci_cc_write_local_name(hdev
, skb
);
2605 case HCI_OP_READ_LOCAL_NAME
:
2606 hci_cc_read_local_name(hdev
, skb
);
2609 case HCI_OP_WRITE_AUTH_ENABLE
:
2610 hci_cc_write_auth_enable(hdev
, skb
);
2613 case HCI_OP_WRITE_ENCRYPT_MODE
:
2614 hci_cc_write_encrypt_mode(hdev
, skb
);
2617 case HCI_OP_WRITE_SCAN_ENABLE
:
2618 hci_cc_write_scan_enable(hdev
, skb
);
2621 case HCI_OP_READ_CLASS_OF_DEV
:
2622 hci_cc_read_class_of_dev(hdev
, skb
);
2625 case HCI_OP_WRITE_CLASS_OF_DEV
:
2626 hci_cc_write_class_of_dev(hdev
, skb
);
2629 case HCI_OP_READ_VOICE_SETTING
:
2630 hci_cc_read_voice_setting(hdev
, skb
);
2633 case HCI_OP_WRITE_VOICE_SETTING
:
2634 hci_cc_write_voice_setting(hdev
, skb
);
2637 case HCI_OP_READ_NUM_SUPPORTED_IAC
:
2638 hci_cc_read_num_supported_iac(hdev
, skb
);
2641 case HCI_OP_WRITE_SSP_MODE
:
2642 hci_cc_write_ssp_mode(hdev
, skb
);
2645 case HCI_OP_WRITE_SC_SUPPORT
:
2646 hci_cc_write_sc_support(hdev
, skb
);
2649 case HCI_OP_READ_LOCAL_VERSION
:
2650 hci_cc_read_local_version(hdev
, skb
);
2653 case HCI_OP_READ_LOCAL_COMMANDS
:
2654 hci_cc_read_local_commands(hdev
, skb
);
2657 case HCI_OP_READ_LOCAL_FEATURES
:
2658 hci_cc_read_local_features(hdev
, skb
);
2661 case HCI_OP_READ_LOCAL_EXT_FEATURES
:
2662 hci_cc_read_local_ext_features(hdev
, skb
);
2665 case HCI_OP_READ_BUFFER_SIZE
:
2666 hci_cc_read_buffer_size(hdev
, skb
);
2669 case HCI_OP_READ_BD_ADDR
:
2670 hci_cc_read_bd_addr(hdev
, skb
);
2673 case HCI_OP_READ_PAGE_SCAN_ACTIVITY
:
2674 hci_cc_read_page_scan_activity(hdev
, skb
);
2677 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY
:
2678 hci_cc_write_page_scan_activity(hdev
, skb
);
2681 case HCI_OP_READ_PAGE_SCAN_TYPE
:
2682 hci_cc_read_page_scan_type(hdev
, skb
);
2685 case HCI_OP_WRITE_PAGE_SCAN_TYPE
:
2686 hci_cc_write_page_scan_type(hdev
, skb
);
2689 case HCI_OP_READ_DATA_BLOCK_SIZE
:
2690 hci_cc_read_data_block_size(hdev
, skb
);
2693 case HCI_OP_READ_FLOW_CONTROL_MODE
:
2694 hci_cc_read_flow_control_mode(hdev
, skb
);
2697 case HCI_OP_READ_LOCAL_AMP_INFO
:
2698 hci_cc_read_local_amp_info(hdev
, skb
);
2701 case HCI_OP_READ_CLOCK
:
2702 hci_cc_read_clock(hdev
, skb
);
2705 case HCI_OP_READ_LOCAL_AMP_ASSOC
:
2706 hci_cc_read_local_amp_assoc(hdev
, skb
);
2709 case HCI_OP_READ_INQ_RSP_TX_POWER
:
2710 hci_cc_read_inq_rsp_tx_power(hdev
, skb
);
2713 case HCI_OP_PIN_CODE_REPLY
:
2714 hci_cc_pin_code_reply(hdev
, skb
);
2717 case HCI_OP_PIN_CODE_NEG_REPLY
:
2718 hci_cc_pin_code_neg_reply(hdev
, skb
);
2721 case HCI_OP_READ_LOCAL_OOB_DATA
:
2722 hci_cc_read_local_oob_data(hdev
, skb
);
2725 case HCI_OP_READ_LOCAL_OOB_EXT_DATA
:
2726 hci_cc_read_local_oob_ext_data(hdev
, skb
);
2729 case HCI_OP_LE_READ_BUFFER_SIZE
:
2730 hci_cc_le_read_buffer_size(hdev
, skb
);
2733 case HCI_OP_LE_READ_LOCAL_FEATURES
:
2734 hci_cc_le_read_local_features(hdev
, skb
);
2737 case HCI_OP_LE_READ_ADV_TX_POWER
:
2738 hci_cc_le_read_adv_tx_power(hdev
, skb
);
2741 case HCI_OP_USER_CONFIRM_REPLY
:
2742 hci_cc_user_confirm_reply(hdev
, skb
);
2745 case HCI_OP_USER_CONFIRM_NEG_REPLY
:
2746 hci_cc_user_confirm_neg_reply(hdev
, skb
);
2749 case HCI_OP_USER_PASSKEY_REPLY
:
2750 hci_cc_user_passkey_reply(hdev
, skb
);
2753 case HCI_OP_USER_PASSKEY_NEG_REPLY
:
2754 hci_cc_user_passkey_neg_reply(hdev
, skb
);
2757 case HCI_OP_LE_SET_RANDOM_ADDR
:
2758 hci_cc_le_set_random_addr(hdev
, skb
);
2761 case HCI_OP_LE_SET_ADV_ENABLE
:
2762 hci_cc_le_set_adv_enable(hdev
, skb
);
2765 case HCI_OP_LE_SET_SCAN_PARAM
:
2766 hci_cc_le_set_scan_param(hdev
, skb
);
2769 case HCI_OP_LE_SET_SCAN_ENABLE
:
2770 hci_cc_le_set_scan_enable(hdev
, skb
);
2773 case HCI_OP_LE_READ_WHITE_LIST_SIZE
:
2774 hci_cc_le_read_white_list_size(hdev
, skb
);
2777 case HCI_OP_LE_CLEAR_WHITE_LIST
:
2778 hci_cc_le_clear_white_list(hdev
, skb
);
2781 case HCI_OP_LE_ADD_TO_WHITE_LIST
:
2782 hci_cc_le_add_to_white_list(hdev
, skb
);
2785 case HCI_OP_LE_DEL_FROM_WHITE_LIST
:
2786 hci_cc_le_del_from_white_list(hdev
, skb
);
2789 case HCI_OP_LE_READ_SUPPORTED_STATES
:
2790 hci_cc_le_read_supported_states(hdev
, skb
);
2793 case HCI_OP_WRITE_LE_HOST_SUPPORTED
:
2794 hci_cc_write_le_host_supported(hdev
, skb
);
2797 case HCI_OP_LE_SET_ADV_PARAM
:
2798 hci_cc_set_adv_param(hdev
, skb
);
2801 case HCI_OP_WRITE_REMOTE_AMP_ASSOC
:
2802 hci_cc_write_remote_amp_assoc(hdev
, skb
);
2805 case HCI_OP_READ_RSSI
:
2806 hci_cc_read_rssi(hdev
, skb
);
2809 case HCI_OP_READ_TX_POWER
:
2810 hci_cc_read_tx_power(hdev
, skb
);
2814 BT_DBG("%s opcode 0x%4.4x", hdev
->name
, opcode
);
2818 if (opcode
!= HCI_OP_NOP
)
2819 cancel_delayed_work(&hdev
->cmd_timer
);
2821 hci_req_cmd_complete(hdev
, opcode
, status
);
2823 if (ev
->ncmd
&& !test_bit(HCI_RESET
, &hdev
->flags
)) {
2824 atomic_set(&hdev
->cmd_cnt
, 1);
2825 if (!skb_queue_empty(&hdev
->cmd_q
))
2826 queue_work(hdev
->workqueue
, &hdev
->cmd_work
);
2830 static void hci_cmd_status_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2832 struct hci_ev_cmd_status
*ev
= (void *) skb
->data
;
2835 skb_pull(skb
, sizeof(*ev
));
2837 opcode
= __le16_to_cpu(ev
->opcode
);
2840 case HCI_OP_INQUIRY
:
2841 hci_cs_inquiry(hdev
, ev
->status
);
2844 case HCI_OP_CREATE_CONN
:
2845 hci_cs_create_conn(hdev
, ev
->status
);
2848 case HCI_OP_ADD_SCO
:
2849 hci_cs_add_sco(hdev
, ev
->status
);
2852 case HCI_OP_AUTH_REQUESTED
:
2853 hci_cs_auth_requested(hdev
, ev
->status
);
2856 case HCI_OP_SET_CONN_ENCRYPT
:
2857 hci_cs_set_conn_encrypt(hdev
, ev
->status
);
2860 case HCI_OP_REMOTE_NAME_REQ
:
2861 hci_cs_remote_name_req(hdev
, ev
->status
);
2864 case HCI_OP_READ_REMOTE_FEATURES
:
2865 hci_cs_read_remote_features(hdev
, ev
->status
);
2868 case HCI_OP_READ_REMOTE_EXT_FEATURES
:
2869 hci_cs_read_remote_ext_features(hdev
, ev
->status
);
2872 case HCI_OP_SETUP_SYNC_CONN
:
2873 hci_cs_setup_sync_conn(hdev
, ev
->status
);
2876 case HCI_OP_SNIFF_MODE
:
2877 hci_cs_sniff_mode(hdev
, ev
->status
);
2880 case HCI_OP_EXIT_SNIFF_MODE
:
2881 hci_cs_exit_sniff_mode(hdev
, ev
->status
);
2884 case HCI_OP_DISCONNECT
:
2885 hci_cs_disconnect(hdev
, ev
->status
);
2888 case HCI_OP_CREATE_PHY_LINK
:
2889 hci_cs_create_phylink(hdev
, ev
->status
);
2892 case HCI_OP_ACCEPT_PHY_LINK
:
2893 hci_cs_accept_phylink(hdev
, ev
->status
);
2896 case HCI_OP_LE_CREATE_CONN
:
2897 hci_cs_le_create_conn(hdev
, ev
->status
);
2900 case HCI_OP_LE_START_ENC
:
2901 hci_cs_le_start_enc(hdev
, ev
->status
);
2905 BT_DBG("%s opcode 0x%4.4x", hdev
->name
, opcode
);
2909 if (opcode
!= HCI_OP_NOP
)
2910 cancel_delayed_work(&hdev
->cmd_timer
);
2913 (hdev
->sent_cmd
&& !bt_cb(hdev
->sent_cmd
)->req
.event
))
2914 hci_req_cmd_complete(hdev
, opcode
, ev
->status
);
2916 if (ev
->ncmd
&& !test_bit(HCI_RESET
, &hdev
->flags
)) {
2917 atomic_set(&hdev
->cmd_cnt
, 1);
2918 if (!skb_queue_empty(&hdev
->cmd_q
))
2919 queue_work(hdev
->workqueue
, &hdev
->cmd_work
);
2923 static void hci_role_change_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2925 struct hci_ev_role_change
*ev
= (void *) skb
->data
;
2926 struct hci_conn
*conn
;
2928 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
2932 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
2935 conn
->role
= ev
->role
;
2937 clear_bit(HCI_CONN_RSWITCH_PEND
, &conn
->flags
);
2939 hci_role_switch_cfm(conn
, ev
->status
, ev
->role
);
2942 hci_dev_unlock(hdev
);
2945 static void hci_num_comp_pkts_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
2947 struct hci_ev_num_comp_pkts
*ev
= (void *) skb
->data
;
2950 if (hdev
->flow_ctl_mode
!= HCI_FLOW_CTL_MODE_PACKET_BASED
) {
2951 BT_ERR("Wrong event for mode %d", hdev
->flow_ctl_mode
);
2955 if (skb
->len
< sizeof(*ev
) || skb
->len
< sizeof(*ev
) +
2956 ev
->num_hndl
* sizeof(struct hci_comp_pkts_info
)) {
2957 BT_DBG("%s bad parameters", hdev
->name
);
2961 BT_DBG("%s num_hndl %d", hdev
->name
, ev
->num_hndl
);
2963 for (i
= 0; i
< ev
->num_hndl
; i
++) {
2964 struct hci_comp_pkts_info
*info
= &ev
->handles
[i
];
2965 struct hci_conn
*conn
;
2966 __u16 handle
, count
;
2968 handle
= __le16_to_cpu(info
->handle
);
2969 count
= __le16_to_cpu(info
->count
);
2971 conn
= hci_conn_hash_lookup_handle(hdev
, handle
);
2975 conn
->sent
-= count
;
2977 switch (conn
->type
) {
2979 hdev
->acl_cnt
+= count
;
2980 if (hdev
->acl_cnt
> hdev
->acl_pkts
)
2981 hdev
->acl_cnt
= hdev
->acl_pkts
;
2985 if (hdev
->le_pkts
) {
2986 hdev
->le_cnt
+= count
;
2987 if (hdev
->le_cnt
> hdev
->le_pkts
)
2988 hdev
->le_cnt
= hdev
->le_pkts
;
2990 hdev
->acl_cnt
+= count
;
2991 if (hdev
->acl_cnt
> hdev
->acl_pkts
)
2992 hdev
->acl_cnt
= hdev
->acl_pkts
;
2997 hdev
->sco_cnt
+= count
;
2998 if (hdev
->sco_cnt
> hdev
->sco_pkts
)
2999 hdev
->sco_cnt
= hdev
->sco_pkts
;
3003 BT_ERR("Unknown type %d conn %p", conn
->type
, conn
);
3008 queue_work(hdev
->workqueue
, &hdev
->tx_work
);
3011 static struct hci_conn
*__hci_conn_lookup_handle(struct hci_dev
*hdev
,
3014 struct hci_chan
*chan
;
3016 switch (hdev
->dev_type
) {
3018 return hci_conn_hash_lookup_handle(hdev
, handle
);
3020 chan
= hci_chan_lookup_handle(hdev
, handle
);
3025 BT_ERR("%s unknown dev_type %d", hdev
->name
, hdev
->dev_type
);
3032 static void hci_num_comp_blocks_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3034 struct hci_ev_num_comp_blocks
*ev
= (void *) skb
->data
;
3037 if (hdev
->flow_ctl_mode
!= HCI_FLOW_CTL_MODE_BLOCK_BASED
) {
3038 BT_ERR("Wrong event for mode %d", hdev
->flow_ctl_mode
);
3042 if (skb
->len
< sizeof(*ev
) || skb
->len
< sizeof(*ev
) +
3043 ev
->num_hndl
* sizeof(struct hci_comp_blocks_info
)) {
3044 BT_DBG("%s bad parameters", hdev
->name
);
3048 BT_DBG("%s num_blocks %d num_hndl %d", hdev
->name
, ev
->num_blocks
,
3051 for (i
= 0; i
< ev
->num_hndl
; i
++) {
3052 struct hci_comp_blocks_info
*info
= &ev
->handles
[i
];
3053 struct hci_conn
*conn
= NULL
;
3054 __u16 handle
, block_count
;
3056 handle
= __le16_to_cpu(info
->handle
);
3057 block_count
= __le16_to_cpu(info
->blocks
);
3059 conn
= __hci_conn_lookup_handle(hdev
, handle
);
3063 conn
->sent
-= block_count
;
3065 switch (conn
->type
) {
3068 hdev
->block_cnt
+= block_count
;
3069 if (hdev
->block_cnt
> hdev
->num_blocks
)
3070 hdev
->block_cnt
= hdev
->num_blocks
;
3074 BT_ERR("Unknown type %d conn %p", conn
->type
, conn
);
3079 queue_work(hdev
->workqueue
, &hdev
->tx_work
);
3082 static void hci_mode_change_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3084 struct hci_ev_mode_change
*ev
= (void *) skb
->data
;
3085 struct hci_conn
*conn
;
3087 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
3091 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
3093 conn
->mode
= ev
->mode
;
3095 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND
,
3097 if (conn
->mode
== HCI_CM_ACTIVE
)
3098 set_bit(HCI_CONN_POWER_SAVE
, &conn
->flags
);
3100 clear_bit(HCI_CONN_POWER_SAVE
, &conn
->flags
);
3103 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND
, &conn
->flags
))
3104 hci_sco_setup(conn
, ev
->status
);
3107 hci_dev_unlock(hdev
);
3110 static void hci_pin_code_request_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3112 struct hci_ev_pin_code_req
*ev
= (void *) skb
->data
;
3113 struct hci_conn
*conn
;
3115 BT_DBG("%s", hdev
->name
);
3119 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3123 if (conn
->state
== BT_CONNECTED
) {
3124 hci_conn_hold(conn
);
3125 conn
->disc_timeout
= HCI_PAIRING_TIMEOUT
;
3126 hci_conn_drop(conn
);
3129 if (!test_bit(HCI_BONDABLE
, &hdev
->dev_flags
) &&
3130 !test_bit(HCI_CONN_AUTH_INITIATOR
, &conn
->flags
)) {
3131 hci_send_cmd(hdev
, HCI_OP_PIN_CODE_NEG_REPLY
,
3132 sizeof(ev
->bdaddr
), &ev
->bdaddr
);
3133 } else if (test_bit(HCI_MGMT
, &hdev
->dev_flags
)) {
3136 if (conn
->pending_sec_level
== BT_SECURITY_HIGH
)
3141 mgmt_pin_code_request(hdev
, &ev
->bdaddr
, secure
);
3145 hci_dev_unlock(hdev
);
3148 static void hci_link_key_request_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3150 struct hci_ev_link_key_req
*ev
= (void *) skb
->data
;
3151 struct hci_cp_link_key_reply cp
;
3152 struct hci_conn
*conn
;
3153 struct link_key
*key
;
3155 BT_DBG("%s", hdev
->name
);
3157 if (!test_bit(HCI_MGMT
, &hdev
->dev_flags
))
3162 key
= hci_find_link_key(hdev
, &ev
->bdaddr
);
3164 BT_DBG("%s link key not found for %pMR", hdev
->name
,
3169 BT_DBG("%s found key type %u for %pMR", hdev
->name
, key
->type
,
3172 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3174 if ((key
->type
== HCI_LK_UNAUTH_COMBINATION_P192
||
3175 key
->type
== HCI_LK_UNAUTH_COMBINATION_P256
) &&
3176 conn
->auth_type
!= 0xff && (conn
->auth_type
& 0x01)) {
3177 BT_DBG("%s ignoring unauthenticated key", hdev
->name
);
3181 if (key
->type
== HCI_LK_COMBINATION
&& key
->pin_len
< 16 &&
3182 (conn
->pending_sec_level
== BT_SECURITY_HIGH
||
3183 conn
->pending_sec_level
== BT_SECURITY_FIPS
)) {
3184 BT_DBG("%s ignoring key unauthenticated for high security",
3189 conn
->key_type
= key
->type
;
3190 conn
->pin_length
= key
->pin_len
;
3193 bacpy(&cp
.bdaddr
, &ev
->bdaddr
);
3194 memcpy(cp
.link_key
, key
->val
, HCI_LINK_KEY_SIZE
);
3196 hci_send_cmd(hdev
, HCI_OP_LINK_KEY_REPLY
, sizeof(cp
), &cp
);
3198 hci_dev_unlock(hdev
);
3203 hci_send_cmd(hdev
, HCI_OP_LINK_KEY_NEG_REPLY
, 6, &ev
->bdaddr
);
3204 hci_dev_unlock(hdev
);
3207 static void hci_link_key_notify_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3209 struct hci_ev_link_key_notify
*ev
= (void *) skb
->data
;
3210 struct hci_conn
*conn
;
3211 struct link_key
*key
;
3215 BT_DBG("%s", hdev
->name
);
3219 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3221 hci_conn_hold(conn
);
3222 conn
->disc_timeout
= HCI_DISCONN_TIMEOUT
;
3223 pin_len
= conn
->pin_length
;
3225 if (ev
->key_type
!= HCI_LK_CHANGED_COMBINATION
)
3226 conn
->key_type
= ev
->key_type
;
3228 hci_conn_drop(conn
);
3231 if (!test_bit(HCI_MGMT
, &hdev
->dev_flags
))
3234 key
= hci_add_link_key(hdev
, conn
, &ev
->bdaddr
, ev
->link_key
,
3235 ev
->key_type
, pin_len
, &persistent
);
3239 mgmt_new_link_key(hdev
, key
, persistent
);
3241 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3242 * is set. If it's not set simply remove the key from the kernel
3243 * list (we've still notified user space about it but with
3244 * store_hint being 0).
3246 if (key
->type
== HCI_LK_DEBUG_COMBINATION
&&
3247 !test_bit(HCI_KEEP_DEBUG_KEYS
, &hdev
->dev_flags
)) {
3248 list_del(&key
->list
);
3252 clear_bit(HCI_CONN_FLUSH_KEY
, &conn
->flags
);
3254 set_bit(HCI_CONN_FLUSH_KEY
, &conn
->flags
);
3258 hci_dev_unlock(hdev
);
3261 static void hci_clock_offset_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3263 struct hci_ev_clock_offset
*ev
= (void *) skb
->data
;
3264 struct hci_conn
*conn
;
3266 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
3270 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
3271 if (conn
&& !ev
->status
) {
3272 struct inquiry_entry
*ie
;
3274 ie
= hci_inquiry_cache_lookup(hdev
, &conn
->dst
);
3276 ie
->data
.clock_offset
= ev
->clock_offset
;
3277 ie
->timestamp
= jiffies
;
3281 hci_dev_unlock(hdev
);
3284 static void hci_pkt_type_change_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3286 struct hci_ev_pkt_type_change
*ev
= (void *) skb
->data
;
3287 struct hci_conn
*conn
;
3289 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
3293 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
3294 if (conn
&& !ev
->status
)
3295 conn
->pkt_type
= __le16_to_cpu(ev
->pkt_type
);
3297 hci_dev_unlock(hdev
);
3300 static void hci_pscan_rep_mode_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3302 struct hci_ev_pscan_rep_mode
*ev
= (void *) skb
->data
;
3303 struct inquiry_entry
*ie
;
3305 BT_DBG("%s", hdev
->name
);
3309 ie
= hci_inquiry_cache_lookup(hdev
, &ev
->bdaddr
);
3311 ie
->data
.pscan_rep_mode
= ev
->pscan_rep_mode
;
3312 ie
->timestamp
= jiffies
;
3315 hci_dev_unlock(hdev
);
3318 static void hci_inquiry_result_with_rssi_evt(struct hci_dev
*hdev
,
3319 struct sk_buff
*skb
)
3321 struct inquiry_data data
;
3322 int num_rsp
= *((__u8
*) skb
->data
);
3324 BT_DBG("%s num_rsp %d", hdev
->name
, num_rsp
);
3329 if (test_bit(HCI_PERIODIC_INQ
, &hdev
->dev_flags
))
3334 if ((skb
->len
- 1) / num_rsp
!= sizeof(struct inquiry_info_with_rssi
)) {
3335 struct inquiry_info_with_rssi_and_pscan_mode
*info
;
3336 info
= (void *) (skb
->data
+ 1);
3338 for (; num_rsp
; num_rsp
--, info
++) {
3341 bacpy(&data
.bdaddr
, &info
->bdaddr
);
3342 data
.pscan_rep_mode
= info
->pscan_rep_mode
;
3343 data
.pscan_period_mode
= info
->pscan_period_mode
;
3344 data
.pscan_mode
= info
->pscan_mode
;
3345 memcpy(data
.dev_class
, info
->dev_class
, 3);
3346 data
.clock_offset
= info
->clock_offset
;
3347 data
.rssi
= info
->rssi
;
3348 data
.ssp_mode
= 0x00;
3350 flags
= hci_inquiry_cache_update(hdev
, &data
, false);
3352 mgmt_device_found(hdev
, &info
->bdaddr
, ACL_LINK
, 0x00,
3353 info
->dev_class
, info
->rssi
,
3354 flags
, NULL
, 0, NULL
, 0);
3357 struct inquiry_info_with_rssi
*info
= (void *) (skb
->data
+ 1);
3359 for (; num_rsp
; num_rsp
--, info
++) {
3362 bacpy(&data
.bdaddr
, &info
->bdaddr
);
3363 data
.pscan_rep_mode
= info
->pscan_rep_mode
;
3364 data
.pscan_period_mode
= info
->pscan_period_mode
;
3365 data
.pscan_mode
= 0x00;
3366 memcpy(data
.dev_class
, info
->dev_class
, 3);
3367 data
.clock_offset
= info
->clock_offset
;
3368 data
.rssi
= info
->rssi
;
3369 data
.ssp_mode
= 0x00;
3371 flags
= hci_inquiry_cache_update(hdev
, &data
, false);
3373 mgmt_device_found(hdev
, &info
->bdaddr
, ACL_LINK
, 0x00,
3374 info
->dev_class
, info
->rssi
,
3375 flags
, NULL
, 0, NULL
, 0);
3379 hci_dev_unlock(hdev
);
3382 static void hci_remote_ext_features_evt(struct hci_dev
*hdev
,
3383 struct sk_buff
*skb
)
3385 struct hci_ev_remote_ext_features
*ev
= (void *) skb
->data
;
3386 struct hci_conn
*conn
;
3388 BT_DBG("%s", hdev
->name
);
3392 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
3396 if (ev
->page
< HCI_MAX_PAGES
)
3397 memcpy(conn
->features
[ev
->page
], ev
->features
, 8);
3399 if (!ev
->status
&& ev
->page
== 0x01) {
3400 struct inquiry_entry
*ie
;
3402 ie
= hci_inquiry_cache_lookup(hdev
, &conn
->dst
);
3404 ie
->data
.ssp_mode
= (ev
->features
[0] & LMP_HOST_SSP
);
3406 if (ev
->features
[0] & LMP_HOST_SSP
) {
3407 set_bit(HCI_CONN_SSP_ENABLED
, &conn
->flags
);
3409 /* It is mandatory by the Bluetooth specification that
3410 * Extended Inquiry Results are only used when Secure
3411 * Simple Pairing is enabled, but some devices violate
3414 * To make these devices work, the internal SSP
3415 * enabled flag needs to be cleared if the remote host
3416 * features do not indicate SSP support */
3417 clear_bit(HCI_CONN_SSP_ENABLED
, &conn
->flags
);
3420 if (ev
->features
[0] & LMP_HOST_SC
)
3421 set_bit(HCI_CONN_SC_ENABLED
, &conn
->flags
);
3424 if (conn
->state
!= BT_CONFIG
)
3427 if (!ev
->status
&& !test_bit(HCI_CONN_MGMT_CONNECTED
, &conn
->flags
)) {
3428 struct hci_cp_remote_name_req cp
;
3429 memset(&cp
, 0, sizeof(cp
));
3430 bacpy(&cp
.bdaddr
, &conn
->dst
);
3431 cp
.pscan_rep_mode
= 0x02;
3432 hci_send_cmd(hdev
, HCI_OP_REMOTE_NAME_REQ
, sizeof(cp
), &cp
);
3433 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED
, &conn
->flags
))
3434 mgmt_device_connected(hdev
, conn
, 0, NULL
, 0);
3436 if (!hci_outgoing_auth_needed(hdev
, conn
)) {
3437 conn
->state
= BT_CONNECTED
;
3438 hci_proto_connect_cfm(conn
, ev
->status
);
3439 hci_conn_drop(conn
);
3443 hci_dev_unlock(hdev
);
3446 static void hci_sync_conn_complete_evt(struct hci_dev
*hdev
,
3447 struct sk_buff
*skb
)
3449 struct hci_ev_sync_conn_complete
*ev
= (void *) skb
->data
;
3450 struct hci_conn
*conn
;
3452 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
3456 conn
= hci_conn_hash_lookup_ba(hdev
, ev
->link_type
, &ev
->bdaddr
);
3458 if (ev
->link_type
== ESCO_LINK
)
3461 conn
= hci_conn_hash_lookup_ba(hdev
, ESCO_LINK
, &ev
->bdaddr
);
3465 conn
->type
= SCO_LINK
;
3468 switch (ev
->status
) {
3470 conn
->handle
= __le16_to_cpu(ev
->handle
);
3471 conn
->state
= BT_CONNECTED
;
3473 hci_conn_add_sysfs(conn
);
3476 case 0x10: /* Connection Accept Timeout */
3477 case 0x0d: /* Connection Rejected due to Limited Resources */
3478 case 0x11: /* Unsupported Feature or Parameter Value */
3479 case 0x1c: /* SCO interval rejected */
3480 case 0x1a: /* Unsupported Remote Feature */
3481 case 0x1f: /* Unspecified error */
3482 case 0x20: /* Unsupported LMP Parameter value */
3484 conn
->pkt_type
= (hdev
->esco_type
& SCO_ESCO_MASK
) |
3485 (hdev
->esco_type
& EDR_ESCO_MASK
);
3486 if (hci_setup_sync(conn
, conn
->link
->handle
))
3492 conn
->state
= BT_CLOSED
;
3496 hci_proto_connect_cfm(conn
, ev
->status
);
3501 hci_dev_unlock(hdev
);
3504 static inline size_t eir_get_length(u8
*eir
, size_t eir_len
)
3508 while (parsed
< eir_len
) {
3509 u8 field_len
= eir
[0];
3514 parsed
+= field_len
+ 1;
3515 eir
+= field_len
+ 1;
3521 static void hci_extended_inquiry_result_evt(struct hci_dev
*hdev
,
3522 struct sk_buff
*skb
)
3524 struct inquiry_data data
;
3525 struct extended_inquiry_info
*info
= (void *) (skb
->data
+ 1);
3526 int num_rsp
= *((__u8
*) skb
->data
);
3529 BT_DBG("%s num_rsp %d", hdev
->name
, num_rsp
);
3534 if (test_bit(HCI_PERIODIC_INQ
, &hdev
->dev_flags
))
3539 for (; num_rsp
; num_rsp
--, info
++) {
3543 bacpy(&data
.bdaddr
, &info
->bdaddr
);
3544 data
.pscan_rep_mode
= info
->pscan_rep_mode
;
3545 data
.pscan_period_mode
= info
->pscan_period_mode
;
3546 data
.pscan_mode
= 0x00;
3547 memcpy(data
.dev_class
, info
->dev_class
, 3);
3548 data
.clock_offset
= info
->clock_offset
;
3549 data
.rssi
= info
->rssi
;
3550 data
.ssp_mode
= 0x01;
3552 if (test_bit(HCI_MGMT
, &hdev
->dev_flags
))
3553 name_known
= eir_has_data_type(info
->data
,
3559 flags
= hci_inquiry_cache_update(hdev
, &data
, name_known
);
3561 eir_len
= eir_get_length(info
->data
, sizeof(info
->data
));
3563 mgmt_device_found(hdev
, &info
->bdaddr
, ACL_LINK
, 0x00,
3564 info
->dev_class
, info
->rssi
,
3565 flags
, info
->data
, eir_len
, NULL
, 0);
3568 hci_dev_unlock(hdev
);
3571 static void hci_key_refresh_complete_evt(struct hci_dev
*hdev
,
3572 struct sk_buff
*skb
)
3574 struct hci_ev_key_refresh_complete
*ev
= (void *) skb
->data
;
3575 struct hci_conn
*conn
;
3577 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev
->name
, ev
->status
,
3578 __le16_to_cpu(ev
->handle
));
3582 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
3586 /* For BR/EDR the necessary steps are taken through the
3587 * auth_complete event.
3589 if (conn
->type
!= LE_LINK
)
3593 conn
->sec_level
= conn
->pending_sec_level
;
3595 clear_bit(HCI_CONN_ENCRYPT_PEND
, &conn
->flags
);
3597 if (ev
->status
&& conn
->state
== BT_CONNECTED
) {
3598 hci_disconnect(conn
, HCI_ERROR_AUTH_FAILURE
);
3599 hci_conn_drop(conn
);
3603 if (conn
->state
== BT_CONFIG
) {
3605 conn
->state
= BT_CONNECTED
;
3607 hci_proto_connect_cfm(conn
, ev
->status
);
3608 hci_conn_drop(conn
);
3610 hci_auth_cfm(conn
, ev
->status
);
3612 hci_conn_hold(conn
);
3613 conn
->disc_timeout
= HCI_DISCONN_TIMEOUT
;
3614 hci_conn_drop(conn
);
3618 hci_dev_unlock(hdev
);
3621 static u8
hci_get_auth_req(struct hci_conn
*conn
)
3623 /* If remote requests no-bonding follow that lead */
3624 if (conn
->remote_auth
== HCI_AT_NO_BONDING
||
3625 conn
->remote_auth
== HCI_AT_NO_BONDING_MITM
)
3626 return conn
->remote_auth
| (conn
->auth_type
& 0x01);
3628 /* If both remote and local have enough IO capabilities, require
3631 if (conn
->remote_cap
!= HCI_IO_NO_INPUT_OUTPUT
&&
3632 conn
->io_capability
!= HCI_IO_NO_INPUT_OUTPUT
)
3633 return conn
->remote_auth
| 0x01;
3635 /* No MITM protection possible so ignore remote requirement */
3636 return (conn
->remote_auth
& ~0x01) | (conn
->auth_type
& 0x01);
3639 static void hci_io_capa_request_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3641 struct hci_ev_io_capa_request
*ev
= (void *) skb
->data
;
3642 struct hci_conn
*conn
;
3644 BT_DBG("%s", hdev
->name
);
3648 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3652 hci_conn_hold(conn
);
3654 if (!test_bit(HCI_MGMT
, &hdev
->dev_flags
))
3657 /* Allow pairing if we're pairable, the initiators of the
3658 * pairing or if the remote is not requesting bonding.
3660 if (test_bit(HCI_BONDABLE
, &hdev
->dev_flags
) ||
3661 test_bit(HCI_CONN_AUTH_INITIATOR
, &conn
->flags
) ||
3662 (conn
->remote_auth
& ~0x01) == HCI_AT_NO_BONDING
) {
3663 struct hci_cp_io_capability_reply cp
;
3665 bacpy(&cp
.bdaddr
, &ev
->bdaddr
);
3666 /* Change the IO capability from KeyboardDisplay
3667 * to DisplayYesNo as it is not supported by BT spec. */
3668 cp
.capability
= (conn
->io_capability
== 0x04) ?
3669 HCI_IO_DISPLAY_YESNO
: conn
->io_capability
;
3671 /* If we are initiators, there is no remote information yet */
3672 if (conn
->remote_auth
== 0xff) {
3673 /* Request MITM protection if our IO caps allow it
3674 * except for the no-bonding case.
3676 if (conn
->io_capability
!= HCI_IO_NO_INPUT_OUTPUT
&&
3677 conn
->auth_type
!= HCI_AT_NO_BONDING
)
3678 conn
->auth_type
|= 0x01;
3680 conn
->auth_type
= hci_get_auth_req(conn
);
3683 /* If we're not bondable, force one of the non-bondable
3684 * authentication requirement values.
3686 if (!test_bit(HCI_BONDABLE
, &hdev
->dev_flags
))
3687 conn
->auth_type
&= HCI_AT_NO_BONDING_MITM
;
3689 cp
.authentication
= conn
->auth_type
;
3691 if (hci_find_remote_oob_data(hdev
, &conn
->dst
) &&
3692 (conn
->out
|| test_bit(HCI_CONN_REMOTE_OOB
, &conn
->flags
)))
3697 hci_send_cmd(hdev
, HCI_OP_IO_CAPABILITY_REPLY
,
3700 struct hci_cp_io_capability_neg_reply cp
;
3702 bacpy(&cp
.bdaddr
, &ev
->bdaddr
);
3703 cp
.reason
= HCI_ERROR_PAIRING_NOT_ALLOWED
;
3705 hci_send_cmd(hdev
, HCI_OP_IO_CAPABILITY_NEG_REPLY
,
3710 hci_dev_unlock(hdev
);
3713 static void hci_io_capa_reply_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3715 struct hci_ev_io_capa_reply
*ev
= (void *) skb
->data
;
3716 struct hci_conn
*conn
;
3718 BT_DBG("%s", hdev
->name
);
3722 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3726 conn
->remote_cap
= ev
->capability
;
3727 conn
->remote_auth
= ev
->authentication
;
3729 set_bit(HCI_CONN_REMOTE_OOB
, &conn
->flags
);
3732 hci_dev_unlock(hdev
);
3735 static void hci_user_confirm_request_evt(struct hci_dev
*hdev
,
3736 struct sk_buff
*skb
)
3738 struct hci_ev_user_confirm_req
*ev
= (void *) skb
->data
;
3739 int loc_mitm
, rem_mitm
, confirm_hint
= 0;
3740 struct hci_conn
*conn
;
3742 BT_DBG("%s", hdev
->name
);
3746 if (!test_bit(HCI_MGMT
, &hdev
->dev_flags
))
3749 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3753 loc_mitm
= (conn
->auth_type
& 0x01);
3754 rem_mitm
= (conn
->remote_auth
& 0x01);
3756 /* If we require MITM but the remote device can't provide that
3757 * (it has NoInputNoOutput) then reject the confirmation
3758 * request. We check the security level here since it doesn't
3759 * necessarily match conn->auth_type.
3761 if (conn
->pending_sec_level
> BT_SECURITY_MEDIUM
&&
3762 conn
->remote_cap
== HCI_IO_NO_INPUT_OUTPUT
) {
3763 BT_DBG("Rejecting request: remote device can't provide MITM");
3764 hci_send_cmd(hdev
, HCI_OP_USER_CONFIRM_NEG_REPLY
,
3765 sizeof(ev
->bdaddr
), &ev
->bdaddr
);
3769 /* If no side requires MITM protection; auto-accept */
3770 if ((!loc_mitm
|| conn
->remote_cap
== HCI_IO_NO_INPUT_OUTPUT
) &&
3771 (!rem_mitm
|| conn
->io_capability
== HCI_IO_NO_INPUT_OUTPUT
)) {
3773 /* If we're not the initiators request authorization to
3774 * proceed from user space (mgmt_user_confirm with
3775 * confirm_hint set to 1). The exception is if neither
3776 * side had MITM or if the local IO capability is
3777 * NoInputNoOutput, in which case we do auto-accept
3779 if (!test_bit(HCI_CONN_AUTH_PEND
, &conn
->flags
) &&
3780 conn
->io_capability
!= HCI_IO_NO_INPUT_OUTPUT
&&
3781 (loc_mitm
|| rem_mitm
)) {
3782 BT_DBG("Confirming auto-accept as acceptor");
3787 BT_DBG("Auto-accept of user confirmation with %ums delay",
3788 hdev
->auto_accept_delay
);
3790 if (hdev
->auto_accept_delay
> 0) {
3791 int delay
= msecs_to_jiffies(hdev
->auto_accept_delay
);
3792 queue_delayed_work(conn
->hdev
->workqueue
,
3793 &conn
->auto_accept_work
, delay
);
3797 hci_send_cmd(hdev
, HCI_OP_USER_CONFIRM_REPLY
,
3798 sizeof(ev
->bdaddr
), &ev
->bdaddr
);
3803 mgmt_user_confirm_request(hdev
, &ev
->bdaddr
, ACL_LINK
, 0,
3804 le32_to_cpu(ev
->passkey
), confirm_hint
);
3807 hci_dev_unlock(hdev
);
3810 static void hci_user_passkey_request_evt(struct hci_dev
*hdev
,
3811 struct sk_buff
*skb
)
3813 struct hci_ev_user_passkey_req
*ev
= (void *) skb
->data
;
3815 BT_DBG("%s", hdev
->name
);
3817 if (test_bit(HCI_MGMT
, &hdev
->dev_flags
))
3818 mgmt_user_passkey_request(hdev
, &ev
->bdaddr
, ACL_LINK
, 0);
3821 static void hci_user_passkey_notify_evt(struct hci_dev
*hdev
,
3822 struct sk_buff
*skb
)
3824 struct hci_ev_user_passkey_notify
*ev
= (void *) skb
->data
;
3825 struct hci_conn
*conn
;
3827 BT_DBG("%s", hdev
->name
);
3829 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3833 conn
->passkey_notify
= __le32_to_cpu(ev
->passkey
);
3834 conn
->passkey_entered
= 0;
3836 if (test_bit(HCI_MGMT
, &hdev
->dev_flags
))
3837 mgmt_user_passkey_notify(hdev
, &conn
->dst
, conn
->type
,
3838 conn
->dst_type
, conn
->passkey_notify
,
3839 conn
->passkey_entered
);
3842 static void hci_keypress_notify_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
3844 struct hci_ev_keypress_notify
*ev
= (void *) skb
->data
;
3845 struct hci_conn
*conn
;
3847 BT_DBG("%s", hdev
->name
);
3849 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3854 case HCI_KEYPRESS_STARTED
:
3855 conn
->passkey_entered
= 0;
3858 case HCI_KEYPRESS_ENTERED
:
3859 conn
->passkey_entered
++;
3862 case HCI_KEYPRESS_ERASED
:
3863 conn
->passkey_entered
--;
3866 case HCI_KEYPRESS_CLEARED
:
3867 conn
->passkey_entered
= 0;
3870 case HCI_KEYPRESS_COMPLETED
:
3874 if (test_bit(HCI_MGMT
, &hdev
->dev_flags
))
3875 mgmt_user_passkey_notify(hdev
, &conn
->dst
, conn
->type
,
3876 conn
->dst_type
, conn
->passkey_notify
,
3877 conn
->passkey_entered
);
3880 static void hci_simple_pair_complete_evt(struct hci_dev
*hdev
,
3881 struct sk_buff
*skb
)
3883 struct hci_ev_simple_pair_complete
*ev
= (void *) skb
->data
;
3884 struct hci_conn
*conn
;
3886 BT_DBG("%s", hdev
->name
);
3890 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3894 /* Reset the authentication requirement to unknown */
3895 conn
->remote_auth
= 0xff;
3897 /* To avoid duplicate auth_failed events to user space we check
3898 * the HCI_CONN_AUTH_PEND flag which will be set if we
3899 * initiated the authentication. A traditional auth_complete
3900 * event gets always produced as initiator and is also mapped to
3901 * the mgmt_auth_failed event */
3902 if (!test_bit(HCI_CONN_AUTH_PEND
, &conn
->flags
) && ev
->status
)
3903 mgmt_auth_failed(conn
, ev
->status
);
3905 hci_conn_drop(conn
);
3908 hci_dev_unlock(hdev
);
3911 static void hci_remote_host_features_evt(struct hci_dev
*hdev
,
3912 struct sk_buff
*skb
)
3914 struct hci_ev_remote_host_features
*ev
= (void *) skb
->data
;
3915 struct inquiry_entry
*ie
;
3916 struct hci_conn
*conn
;
3918 BT_DBG("%s", hdev
->name
);
3922 conn
= hci_conn_hash_lookup_ba(hdev
, ACL_LINK
, &ev
->bdaddr
);
3924 memcpy(conn
->features
[1], ev
->features
, 8);
3926 ie
= hci_inquiry_cache_lookup(hdev
, &ev
->bdaddr
);
3928 ie
->data
.ssp_mode
= (ev
->features
[0] & LMP_HOST_SSP
);
3930 hci_dev_unlock(hdev
);
3933 static void hci_remote_oob_data_request_evt(struct hci_dev
*hdev
,
3934 struct sk_buff
*skb
)
3936 struct hci_ev_remote_oob_data_request
*ev
= (void *) skb
->data
;
3937 struct oob_data
*data
;
3939 BT_DBG("%s", hdev
->name
);
3943 if (!test_bit(HCI_MGMT
, &hdev
->dev_flags
))
3946 data
= hci_find_remote_oob_data(hdev
, &ev
->bdaddr
);
3948 if (test_bit(HCI_SC_ENABLED
, &hdev
->dev_flags
)) {
3949 struct hci_cp_remote_oob_ext_data_reply cp
;
3951 bacpy(&cp
.bdaddr
, &ev
->bdaddr
);
3952 memcpy(cp
.hash192
, data
->hash192
, sizeof(cp
.hash192
));
3953 memcpy(cp
.randomizer192
, data
->randomizer192
,
3954 sizeof(cp
.randomizer192
));
3955 memcpy(cp
.hash256
, data
->hash256
, sizeof(cp
.hash256
));
3956 memcpy(cp
.randomizer256
, data
->randomizer256
,
3957 sizeof(cp
.randomizer256
));
3959 hci_send_cmd(hdev
, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY
,
3962 struct hci_cp_remote_oob_data_reply cp
;
3964 bacpy(&cp
.bdaddr
, &ev
->bdaddr
);
3965 memcpy(cp
.hash
, data
->hash192
, sizeof(cp
.hash
));
3966 memcpy(cp
.randomizer
, data
->randomizer192
,
3967 sizeof(cp
.randomizer
));
3969 hci_send_cmd(hdev
, HCI_OP_REMOTE_OOB_DATA_REPLY
,
3973 struct hci_cp_remote_oob_data_neg_reply cp
;
3975 bacpy(&cp
.bdaddr
, &ev
->bdaddr
);
3976 hci_send_cmd(hdev
, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY
,
3981 hci_dev_unlock(hdev
);
3984 static void hci_phy_link_complete_evt(struct hci_dev
*hdev
,
3985 struct sk_buff
*skb
)
3987 struct hci_ev_phy_link_complete
*ev
= (void *) skb
->data
;
3988 struct hci_conn
*hcon
, *bredr_hcon
;
3990 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev
->name
, ev
->phy_handle
,
3995 hcon
= hci_conn_hash_lookup_handle(hdev
, ev
->phy_handle
);
3997 hci_dev_unlock(hdev
);
4003 hci_dev_unlock(hdev
);
4007 bredr_hcon
= hcon
->amp_mgr
->l2cap_conn
->hcon
;
4009 hcon
->state
= BT_CONNECTED
;
4010 bacpy(&hcon
->dst
, &bredr_hcon
->dst
);
4012 hci_conn_hold(hcon
);
4013 hcon
->disc_timeout
= HCI_DISCONN_TIMEOUT
;
4014 hci_conn_drop(hcon
);
4016 hci_conn_add_sysfs(hcon
);
4018 amp_physical_cfm(bredr_hcon
, hcon
);
4020 hci_dev_unlock(hdev
);
4023 static void hci_loglink_complete_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
4025 struct hci_ev_logical_link_complete
*ev
= (void *) skb
->data
;
4026 struct hci_conn
*hcon
;
4027 struct hci_chan
*hchan
;
4028 struct amp_mgr
*mgr
;
4030 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4031 hdev
->name
, le16_to_cpu(ev
->handle
), ev
->phy_handle
,
4034 hcon
= hci_conn_hash_lookup_handle(hdev
, ev
->phy_handle
);
4038 /* Create AMP hchan */
4039 hchan
= hci_chan_create(hcon
);
4043 hchan
->handle
= le16_to_cpu(ev
->handle
);
4045 BT_DBG("hcon %p mgr %p hchan %p", hcon
, hcon
->amp_mgr
, hchan
);
4047 mgr
= hcon
->amp_mgr
;
4048 if (mgr
&& mgr
->bredr_chan
) {
4049 struct l2cap_chan
*bredr_chan
= mgr
->bredr_chan
;
4051 l2cap_chan_lock(bredr_chan
);
4053 bredr_chan
->conn
->mtu
= hdev
->block_mtu
;
4054 l2cap_logical_cfm(bredr_chan
, hchan
, 0);
4055 hci_conn_hold(hcon
);
4057 l2cap_chan_unlock(bredr_chan
);
4061 static void hci_disconn_loglink_complete_evt(struct hci_dev
*hdev
,
4062 struct sk_buff
*skb
)
4064 struct hci_ev_disconn_logical_link_complete
*ev
= (void *) skb
->data
;
4065 struct hci_chan
*hchan
;
4067 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev
->name
,
4068 le16_to_cpu(ev
->handle
), ev
->status
);
4075 hchan
= hci_chan_lookup_handle(hdev
, le16_to_cpu(ev
->handle
));
4079 amp_destroy_logical_link(hchan
, ev
->reason
);
4082 hci_dev_unlock(hdev
);
4085 static void hci_disconn_phylink_complete_evt(struct hci_dev
*hdev
,
4086 struct sk_buff
*skb
)
4088 struct hci_ev_disconn_phy_link_complete
*ev
= (void *) skb
->data
;
4089 struct hci_conn
*hcon
;
4091 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
4098 hcon
= hci_conn_hash_lookup_handle(hdev
, ev
->phy_handle
);
4100 hcon
->state
= BT_CLOSED
;
4104 hci_dev_unlock(hdev
);
4107 static void hci_le_conn_complete_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
4109 struct hci_ev_le_conn_complete
*ev
= (void *) skb
->data
;
4110 struct hci_conn_params
*params
;
4111 struct hci_conn
*conn
;
4112 struct smp_irk
*irk
;
4115 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
4119 /* All controllers implicitly stop advertising in the event of a
4120 * connection, so ensure that the state bit is cleared.
4122 clear_bit(HCI_LE_ADV
, &hdev
->dev_flags
);
4124 conn
= hci_conn_hash_lookup_state(hdev
, LE_LINK
, BT_CONNECT
);
4126 conn
= hci_conn_add(hdev
, LE_LINK
, &ev
->bdaddr
, ev
->role
);
4128 BT_ERR("No memory for new connection");
4132 conn
->dst_type
= ev
->bdaddr_type
;
4134 /* If we didn't have a hci_conn object previously
4135 * but we're in master role this must be something
4136 * initiated using a white list. Since white list based
4137 * connections are not "first class citizens" we don't
4138 * have full tracking of them. Therefore, we go ahead
4139 * with a "best effort" approach of determining the
4140 * initiator address based on the HCI_PRIVACY flag.
4143 conn
->resp_addr_type
= ev
->bdaddr_type
;
4144 bacpy(&conn
->resp_addr
, &ev
->bdaddr
);
4145 if (test_bit(HCI_PRIVACY
, &hdev
->dev_flags
)) {
4146 conn
->init_addr_type
= ADDR_LE_DEV_RANDOM
;
4147 bacpy(&conn
->init_addr
, &hdev
->rpa
);
4149 hci_copy_identity_address(hdev
,
4151 &conn
->init_addr_type
);
4155 cancel_delayed_work(&conn
->le_conn_timeout
);
4159 /* Set the responder (our side) address type based on
4160 * the advertising address type.
4162 conn
->resp_addr_type
= hdev
->adv_addr_type
;
4163 if (hdev
->adv_addr_type
== ADDR_LE_DEV_RANDOM
)
4164 bacpy(&conn
->resp_addr
, &hdev
->random_addr
);
4166 bacpy(&conn
->resp_addr
, &hdev
->bdaddr
);
4168 conn
->init_addr_type
= ev
->bdaddr_type
;
4169 bacpy(&conn
->init_addr
, &ev
->bdaddr
);
4171 /* For incoming connections, set the default minimum
4172 * and maximum connection interval. They will be used
4173 * to check if the parameters are in range and if not
4174 * trigger the connection update procedure.
4176 conn
->le_conn_min_interval
= hdev
->le_conn_min_interval
;
4177 conn
->le_conn_max_interval
= hdev
->le_conn_max_interval
;
4180 /* Lookup the identity address from the stored connection
4181 * address and address type.
4183 * When establishing connections to an identity address, the
4184 * connection procedure will store the resolvable random
4185 * address first. Now if it can be converted back into the
4186 * identity address, start using the identity address from
4189 irk
= hci_get_irk(hdev
, &conn
->dst
, conn
->dst_type
);
4191 bacpy(&conn
->dst
, &irk
->bdaddr
);
4192 conn
->dst_type
= irk
->addr_type
;
4196 hci_le_conn_failed(conn
, ev
->status
);
4200 if (conn
->dst_type
== ADDR_LE_DEV_PUBLIC
)
4201 addr_type
= BDADDR_LE_PUBLIC
;
4203 addr_type
= BDADDR_LE_RANDOM
;
4205 /* Drop the connection if the device is blocked */
4206 if (hci_bdaddr_list_lookup(&hdev
->blacklist
, &conn
->dst
, addr_type
)) {
4207 hci_conn_drop(conn
);
4211 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED
, &conn
->flags
))
4212 mgmt_device_connected(hdev
, conn
, 0, NULL
, 0);
4214 conn
->sec_level
= BT_SECURITY_LOW
;
4215 conn
->handle
= __le16_to_cpu(ev
->handle
);
4216 conn
->state
= BT_CONNECTED
;
4218 conn
->le_conn_interval
= le16_to_cpu(ev
->interval
);
4219 conn
->le_conn_latency
= le16_to_cpu(ev
->latency
);
4220 conn
->le_supv_timeout
= le16_to_cpu(ev
->supervision_timeout
);
4222 hci_conn_add_sysfs(conn
);
4224 hci_proto_connect_cfm(conn
, ev
->status
);
4226 params
= hci_pend_le_action_lookup(&hdev
->pend_le_conns
, &conn
->dst
,
4229 list_del_init(¶ms
->action
);
4231 hci_conn_drop(params
->conn
);
4232 hci_conn_put(params
->conn
);
4233 params
->conn
= NULL
;
4238 hci_update_background_scan(hdev
);
4239 hci_dev_unlock(hdev
);
4242 static void hci_le_conn_update_complete_evt(struct hci_dev
*hdev
,
4243 struct sk_buff
*skb
)
4245 struct hci_ev_le_conn_update_complete
*ev
= (void *) skb
->data
;
4246 struct hci_conn
*conn
;
4248 BT_DBG("%s status 0x%2.2x", hdev
->name
, ev
->status
);
4255 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
4257 conn
->le_conn_interval
= le16_to_cpu(ev
->interval
);
4258 conn
->le_conn_latency
= le16_to_cpu(ev
->latency
);
4259 conn
->le_supv_timeout
= le16_to_cpu(ev
->supervision_timeout
);
4262 hci_dev_unlock(hdev
);
4265 /* This function requires the caller holds hdev->lock */
4266 static struct hci_conn
*check_pending_le_conn(struct hci_dev
*hdev
,
4268 u8 addr_type
, u8 adv_type
)
4270 struct hci_conn
*conn
;
4271 struct hci_conn_params
*params
;
4273 /* If the event is not connectable don't proceed further */
4274 if (adv_type
!= LE_ADV_IND
&& adv_type
!= LE_ADV_DIRECT_IND
)
4277 /* Ignore if the device is blocked */
4278 if (hci_bdaddr_list_lookup(&hdev
->blacklist
, addr
, addr_type
))
4281 /* Most controller will fail if we try to create new connections
4282 * while we have an existing one in slave role.
4284 if (hdev
->conn_hash
.le_num_slave
> 0)
4287 /* If we're not connectable only connect devices that we have in
4288 * our pend_le_conns list.
4290 params
= hci_pend_le_action_lookup(&hdev
->pend_le_conns
,
4295 switch (params
->auto_connect
) {
4296 case HCI_AUTO_CONN_DIRECT
:
4297 /* Only devices advertising with ADV_DIRECT_IND are
4298 * triggering a connection attempt. This is allowing
4299 * incoming connections from slave devices.
4301 if (adv_type
!= LE_ADV_DIRECT_IND
)
4304 case HCI_AUTO_CONN_ALWAYS
:
4305 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4306 * are triggering a connection attempt. This means
4307 * that incoming connectioms from slave device are
4308 * accepted and also outgoing connections to slave
4309 * devices are established when found.
4316 conn
= hci_connect_le(hdev
, addr
, addr_type
, BT_SECURITY_LOW
,
4317 HCI_LE_AUTOCONN_TIMEOUT
, HCI_ROLE_MASTER
);
4318 if (!IS_ERR(conn
)) {
4319 /* Store the pointer since we don't really have any
4320 * other owner of the object besides the params that
4321 * triggered it. This way we can abort the connection if
4322 * the parameters get removed and keep the reference
4323 * count consistent once the connection is established.
4325 params
->conn
= hci_conn_get(conn
);
4329 switch (PTR_ERR(conn
)) {
4331 /* If hci_connect() returns -EBUSY it means there is already
4332 * an LE connection attempt going on. Since controllers don't
4333 * support more than one connection attempt at the time, we
4334 * don't consider this an error case.
4338 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn
));
4345 static void process_adv_report(struct hci_dev
*hdev
, u8 type
, bdaddr_t
*bdaddr
,
4346 u8 bdaddr_type
, s8 rssi
, u8
*data
, u8 len
)
4348 struct discovery_state
*d
= &hdev
->discovery
;
4349 struct smp_irk
*irk
;
4350 struct hci_conn
*conn
;
4354 /* Check if we need to convert to identity address */
4355 irk
= hci_get_irk(hdev
, bdaddr
, bdaddr_type
);
4357 bdaddr
= &irk
->bdaddr
;
4358 bdaddr_type
= irk
->addr_type
;
4361 /* Check if we have been requested to connect to this device */
4362 conn
= check_pending_le_conn(hdev
, bdaddr
, bdaddr_type
, type
);
4363 if (conn
&& type
== LE_ADV_IND
) {
4364 /* Store report for later inclusion by
4365 * mgmt_device_connected
4367 memcpy(conn
->le_adv_data
, data
, len
);
4368 conn
->le_adv_data_len
= len
;
4371 /* Passive scanning shouldn't trigger any device found events,
4372 * except for devices marked as CONN_REPORT for which we do send
4373 * device found events.
4375 if (hdev
->le_scan_type
== LE_SCAN_PASSIVE
) {
4376 if (type
== LE_ADV_DIRECT_IND
)
4379 if (!hci_pend_le_action_lookup(&hdev
->pend_le_reports
,
4380 bdaddr
, bdaddr_type
))
4383 if (type
== LE_ADV_NONCONN_IND
|| type
== LE_ADV_SCAN_IND
)
4384 flags
= MGMT_DEV_FOUND_NOT_CONNECTABLE
;
4387 mgmt_device_found(hdev
, bdaddr
, LE_LINK
, bdaddr_type
, NULL
,
4388 rssi
, flags
, data
, len
, NULL
, 0);
4392 /* When receiving non-connectable or scannable undirected
4393 * advertising reports, this means that the remote device is
4394 * not connectable and then clearly indicate this in the
4395 * device found event.
4397 * When receiving a scan response, then there is no way to
4398 * know if the remote device is connectable or not. However
4399 * since scan responses are merged with a previously seen
4400 * advertising report, the flags field from that report
4403 * In the really unlikely case that a controller get confused
4404 * and just sends a scan response event, then it is marked as
4405 * not connectable as well.
4407 if (type
== LE_ADV_NONCONN_IND
|| type
== LE_ADV_SCAN_IND
||
4408 type
== LE_ADV_SCAN_RSP
)
4409 flags
= MGMT_DEV_FOUND_NOT_CONNECTABLE
;
4413 /* If there's nothing pending either store the data from this
4414 * event or send an immediate device found event if the data
4415 * should not be stored for later.
4417 if (!has_pending_adv_report(hdev
)) {
4418 /* If the report will trigger a SCAN_REQ store it for
4421 if (type
== LE_ADV_IND
|| type
== LE_ADV_SCAN_IND
) {
4422 store_pending_adv_report(hdev
, bdaddr
, bdaddr_type
,
4423 rssi
, flags
, data
, len
);
4427 mgmt_device_found(hdev
, bdaddr
, LE_LINK
, bdaddr_type
, NULL
,
4428 rssi
, flags
, data
, len
, NULL
, 0);
4432 /* Check if the pending report is for the same device as the new one */
4433 match
= (!bacmp(bdaddr
, &d
->last_adv_addr
) &&
4434 bdaddr_type
== d
->last_adv_addr_type
);
4436 /* If the pending data doesn't match this report or this isn't a
4437 * scan response (e.g. we got a duplicate ADV_IND) then force
4438 * sending of the pending data.
4440 if (type
!= LE_ADV_SCAN_RSP
|| !match
) {
4441 /* Send out whatever is in the cache, but skip duplicates */
4443 mgmt_device_found(hdev
, &d
->last_adv_addr
, LE_LINK
,
4444 d
->last_adv_addr_type
, NULL
,
4445 d
->last_adv_rssi
, d
->last_adv_flags
,
4447 d
->last_adv_data_len
, NULL
, 0);
4449 /* If the new report will trigger a SCAN_REQ store it for
4452 if (type
== LE_ADV_IND
|| type
== LE_ADV_SCAN_IND
) {
4453 store_pending_adv_report(hdev
, bdaddr
, bdaddr_type
,
4454 rssi
, flags
, data
, len
);
4458 /* The advertising reports cannot be merged, so clear
4459 * the pending report and send out a device found event.
4461 clear_pending_adv_report(hdev
);
4462 mgmt_device_found(hdev
, bdaddr
, LE_LINK
, bdaddr_type
, NULL
,
4463 rssi
, flags
, data
, len
, NULL
, 0);
4467 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4468 * the new event is a SCAN_RSP. We can therefore proceed with
4469 * sending a merged device found event.
4471 mgmt_device_found(hdev
, &d
->last_adv_addr
, LE_LINK
,
4472 d
->last_adv_addr_type
, NULL
, rssi
, d
->last_adv_flags
,
4473 d
->last_adv_data
, d
->last_adv_data_len
, data
, len
);
4474 clear_pending_adv_report(hdev
);
4477 static void hci_le_adv_report_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
4479 u8 num_reports
= skb
->data
[0];
4480 void *ptr
= &skb
->data
[1];
4484 while (num_reports
--) {
4485 struct hci_ev_le_advertising_info
*ev
= ptr
;
4488 rssi
= ev
->data
[ev
->length
];
4489 process_adv_report(hdev
, ev
->evt_type
, &ev
->bdaddr
,
4490 ev
->bdaddr_type
, rssi
, ev
->data
, ev
->length
);
4492 ptr
+= sizeof(*ev
) + ev
->length
+ 1;
4495 hci_dev_unlock(hdev
);
4498 static void hci_le_ltk_request_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
4500 struct hci_ev_le_ltk_req
*ev
= (void *) skb
->data
;
4501 struct hci_cp_le_ltk_reply cp
;
4502 struct hci_cp_le_ltk_neg_reply neg
;
4503 struct hci_conn
*conn
;
4504 struct smp_ltk
*ltk
;
4506 BT_DBG("%s handle 0x%4.4x", hdev
->name
, __le16_to_cpu(ev
->handle
));
4510 conn
= hci_conn_hash_lookup_handle(hdev
, __le16_to_cpu(ev
->handle
));
4514 ltk
= hci_find_ltk(hdev
, ev
->ediv
, ev
->rand
, conn
->role
);
4518 memcpy(cp
.ltk
, ltk
->val
, sizeof(ltk
->val
));
4519 cp
.handle
= cpu_to_le16(conn
->handle
);
4521 conn
->pending_sec_level
= smp_ltk_sec_level(ltk
);
4523 conn
->enc_key_size
= ltk
->enc_size
;
4525 hci_send_cmd(hdev
, HCI_OP_LE_LTK_REPLY
, sizeof(cp
), &cp
);
4527 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4528 * temporary key used to encrypt a connection following
4529 * pairing. It is used during the Encrypted Session Setup to
4530 * distribute the keys. Later, security can be re-established
4531 * using a distributed LTK.
4533 if (ltk
->type
== SMP_STK
) {
4534 set_bit(HCI_CONN_STK_ENCRYPT
, &conn
->flags
);
4535 list_del(<k
->list
);
4538 clear_bit(HCI_CONN_STK_ENCRYPT
, &conn
->flags
);
4541 hci_dev_unlock(hdev
);
4546 neg
.handle
= ev
->handle
;
4547 hci_send_cmd(hdev
, HCI_OP_LE_LTK_NEG_REPLY
, sizeof(neg
), &neg
);
4548 hci_dev_unlock(hdev
);
4551 static void send_conn_param_neg_reply(struct hci_dev
*hdev
, u16 handle
,
4554 struct hci_cp_le_conn_param_req_neg_reply cp
;
4556 cp
.handle
= cpu_to_le16(handle
);
4559 hci_send_cmd(hdev
, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY
, sizeof(cp
),
4563 static void hci_le_remote_conn_param_req_evt(struct hci_dev
*hdev
,
4564 struct sk_buff
*skb
)
4566 struct hci_ev_le_remote_conn_param_req
*ev
= (void *) skb
->data
;
4567 struct hci_cp_le_conn_param_req_reply cp
;
4568 struct hci_conn
*hcon
;
4569 u16 handle
, min
, max
, latency
, timeout
;
4571 handle
= le16_to_cpu(ev
->handle
);
4572 min
= le16_to_cpu(ev
->interval_min
);
4573 max
= le16_to_cpu(ev
->interval_max
);
4574 latency
= le16_to_cpu(ev
->latency
);
4575 timeout
= le16_to_cpu(ev
->timeout
);
4577 hcon
= hci_conn_hash_lookup_handle(hdev
, handle
);
4578 if (!hcon
|| hcon
->state
!= BT_CONNECTED
)
4579 return send_conn_param_neg_reply(hdev
, handle
,
4580 HCI_ERROR_UNKNOWN_CONN_ID
);
4582 if (hci_check_conn_params(min
, max
, latency
, timeout
))
4583 return send_conn_param_neg_reply(hdev
, handle
,
4584 HCI_ERROR_INVALID_LL_PARAMS
);
4586 if (hcon
->role
== HCI_ROLE_MASTER
) {
4587 struct hci_conn_params
*params
;
4592 params
= hci_conn_params_lookup(hdev
, &hcon
->dst
,
4595 params
->conn_min_interval
= min
;
4596 params
->conn_max_interval
= max
;
4597 params
->conn_latency
= latency
;
4598 params
->supervision_timeout
= timeout
;
4604 hci_dev_unlock(hdev
);
4606 mgmt_new_conn_param(hdev
, &hcon
->dst
, hcon
->dst_type
,
4607 store_hint
, min
, max
, latency
, timeout
);
4610 cp
.handle
= ev
->handle
;
4611 cp
.interval_min
= ev
->interval_min
;
4612 cp
.interval_max
= ev
->interval_max
;
4613 cp
.latency
= ev
->latency
;
4614 cp
.timeout
= ev
->timeout
;
4618 hci_send_cmd(hdev
, HCI_OP_LE_CONN_PARAM_REQ_REPLY
, sizeof(cp
), &cp
);
4621 static void hci_le_meta_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
4623 struct hci_ev_le_meta
*le_ev
= (void *) skb
->data
;
4625 skb_pull(skb
, sizeof(*le_ev
));
4627 switch (le_ev
->subevent
) {
4628 case HCI_EV_LE_CONN_COMPLETE
:
4629 hci_le_conn_complete_evt(hdev
, skb
);
4632 case HCI_EV_LE_CONN_UPDATE_COMPLETE
:
4633 hci_le_conn_update_complete_evt(hdev
, skb
);
4636 case HCI_EV_LE_ADVERTISING_REPORT
:
4637 hci_le_adv_report_evt(hdev
, skb
);
4640 case HCI_EV_LE_LTK_REQ
:
4641 hci_le_ltk_request_evt(hdev
, skb
);
4644 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ
:
4645 hci_le_remote_conn_param_req_evt(hdev
, skb
);
4653 static void hci_chan_selected_evt(struct hci_dev
*hdev
, struct sk_buff
*skb
)
4655 struct hci_ev_channel_selected
*ev
= (void *) skb
->data
;
4656 struct hci_conn
*hcon
;
4658 BT_DBG("%s handle 0x%2.2x", hdev
->name
, ev
->phy_handle
);
4660 skb_pull(skb
, sizeof(*ev
));
4662 hcon
= hci_conn_hash_lookup_handle(hdev
, ev
->phy_handle
);
4666 amp_read_loc_assoc_final_data(hdev
, hcon
);
4669 void hci_event_packet(struct hci_dev
*hdev
, struct sk_buff
*skb
)
4671 struct hci_event_hdr
*hdr
= (void *) skb
->data
;
4672 __u8 event
= hdr
->evt
;
4676 /* Received events are (currently) only needed when a request is
4677 * ongoing so avoid unnecessary memory allocation.
4679 if (hci_req_pending(hdev
)) {
4680 kfree_skb(hdev
->recv_evt
);
4681 hdev
->recv_evt
= skb_clone(skb
, GFP_KERNEL
);
4684 hci_dev_unlock(hdev
);
4686 skb_pull(skb
, HCI_EVENT_HDR_SIZE
);
4688 if (hdev
->sent_cmd
&& bt_cb(hdev
->sent_cmd
)->req
.event
== event
) {
4689 struct hci_command_hdr
*cmd_hdr
= (void *) hdev
->sent_cmd
->data
;
4690 u16 opcode
= __le16_to_cpu(cmd_hdr
->opcode
);
4692 hci_req_cmd_complete(hdev
, opcode
, 0);
4696 case HCI_EV_INQUIRY_COMPLETE
:
4697 hci_inquiry_complete_evt(hdev
, skb
);
4700 case HCI_EV_INQUIRY_RESULT
:
4701 hci_inquiry_result_evt(hdev
, skb
);
4704 case HCI_EV_CONN_COMPLETE
:
4705 hci_conn_complete_evt(hdev
, skb
);
4708 case HCI_EV_CONN_REQUEST
:
4709 hci_conn_request_evt(hdev
, skb
);
4712 case HCI_EV_DISCONN_COMPLETE
:
4713 hci_disconn_complete_evt(hdev
, skb
);
4716 case HCI_EV_AUTH_COMPLETE
:
4717 hci_auth_complete_evt(hdev
, skb
);
4720 case HCI_EV_REMOTE_NAME
:
4721 hci_remote_name_evt(hdev
, skb
);
4724 case HCI_EV_ENCRYPT_CHANGE
:
4725 hci_encrypt_change_evt(hdev
, skb
);
4728 case HCI_EV_CHANGE_LINK_KEY_COMPLETE
:
4729 hci_change_link_key_complete_evt(hdev
, skb
);
4732 case HCI_EV_REMOTE_FEATURES
:
4733 hci_remote_features_evt(hdev
, skb
);
4736 case HCI_EV_CMD_COMPLETE
:
4737 hci_cmd_complete_evt(hdev
, skb
);
4740 case HCI_EV_CMD_STATUS
:
4741 hci_cmd_status_evt(hdev
, skb
);
4744 case HCI_EV_ROLE_CHANGE
:
4745 hci_role_change_evt(hdev
, skb
);
4748 case HCI_EV_NUM_COMP_PKTS
:
4749 hci_num_comp_pkts_evt(hdev
, skb
);
4752 case HCI_EV_MODE_CHANGE
:
4753 hci_mode_change_evt(hdev
, skb
);
4756 case HCI_EV_PIN_CODE_REQ
:
4757 hci_pin_code_request_evt(hdev
, skb
);
4760 case HCI_EV_LINK_KEY_REQ
:
4761 hci_link_key_request_evt(hdev
, skb
);
4764 case HCI_EV_LINK_KEY_NOTIFY
:
4765 hci_link_key_notify_evt(hdev
, skb
);
4768 case HCI_EV_CLOCK_OFFSET
:
4769 hci_clock_offset_evt(hdev
, skb
);
4772 case HCI_EV_PKT_TYPE_CHANGE
:
4773 hci_pkt_type_change_evt(hdev
, skb
);
4776 case HCI_EV_PSCAN_REP_MODE
:
4777 hci_pscan_rep_mode_evt(hdev
, skb
);
4780 case HCI_EV_INQUIRY_RESULT_WITH_RSSI
:
4781 hci_inquiry_result_with_rssi_evt(hdev
, skb
);
4784 case HCI_EV_REMOTE_EXT_FEATURES
:
4785 hci_remote_ext_features_evt(hdev
, skb
);
4788 case HCI_EV_SYNC_CONN_COMPLETE
:
4789 hci_sync_conn_complete_evt(hdev
, skb
);
4792 case HCI_EV_EXTENDED_INQUIRY_RESULT
:
4793 hci_extended_inquiry_result_evt(hdev
, skb
);
4796 case HCI_EV_KEY_REFRESH_COMPLETE
:
4797 hci_key_refresh_complete_evt(hdev
, skb
);
4800 case HCI_EV_IO_CAPA_REQUEST
:
4801 hci_io_capa_request_evt(hdev
, skb
);
4804 case HCI_EV_IO_CAPA_REPLY
:
4805 hci_io_capa_reply_evt(hdev
, skb
);
4808 case HCI_EV_USER_CONFIRM_REQUEST
:
4809 hci_user_confirm_request_evt(hdev
, skb
);
4812 case HCI_EV_USER_PASSKEY_REQUEST
:
4813 hci_user_passkey_request_evt(hdev
, skb
);
4816 case HCI_EV_USER_PASSKEY_NOTIFY
:
4817 hci_user_passkey_notify_evt(hdev
, skb
);
4820 case HCI_EV_KEYPRESS_NOTIFY
:
4821 hci_keypress_notify_evt(hdev
, skb
);
4824 case HCI_EV_SIMPLE_PAIR_COMPLETE
:
4825 hci_simple_pair_complete_evt(hdev
, skb
);
4828 case HCI_EV_REMOTE_HOST_FEATURES
:
4829 hci_remote_host_features_evt(hdev
, skb
);
4832 case HCI_EV_LE_META
:
4833 hci_le_meta_evt(hdev
, skb
);
4836 case HCI_EV_CHANNEL_SELECTED
:
4837 hci_chan_selected_evt(hdev
, skb
);
4840 case HCI_EV_REMOTE_OOB_DATA_REQUEST
:
4841 hci_remote_oob_data_request_evt(hdev
, skb
);
4844 case HCI_EV_PHY_LINK_COMPLETE
:
4845 hci_phy_link_complete_evt(hdev
, skb
);
4848 case HCI_EV_LOGICAL_LINK_COMPLETE
:
4849 hci_loglink_complete_evt(hdev
, skb
);
4852 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE
:
4853 hci_disconn_loglink_complete_evt(hdev
, skb
);
4856 case HCI_EV_DISCONN_PHY_LINK_COMPLETE
:
4857 hci_disconn_phylink_complete_evt(hdev
, skb
);
4860 case HCI_EV_NUM_COMP_BLOCKS
:
4861 hci_num_comp_blocks_evt(hdev
, skb
);
4865 BT_DBG("%s event 0x%2.2x", hdev
->name
, event
);
4870 hdev
->stat
.evt_rx
++;