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hci_event.c
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/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
Copyright 2023 NXP
Written 2000,2001 by Maxim Krasnyansky <[email protected]>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation;
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
SOFTWARE IS DISCLAIMED.
*/
/* Bluetooth HCI event handling. */
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/mgmt.h>
#include "hci_request.h"
#include "hci_debugfs.h"
#include "a2mp.h"
#include "amp.h"
#include "smp.h"
#include "msft.h"
#include "eir.h"
#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
"\x00\x00\x00\x00\x00\x00\x00\x00"
#define secs_to_jiffies(_secs) msecs_to_jiffies((_secs) * 1000)
/* Handle HCI Event packets */
static void *hci_ev_skb_pull(struct hci_dev *hdev, struct sk_buff *skb,
u8 ev, size_t len)
{
void *data;
data = skb_pull_data(skb, len);
if (!data)
bt_dev_err(hdev, "Malformed Event: 0x%2.2x", ev);
return data;
}
static void *hci_cc_skb_pull(struct hci_dev *hdev, struct sk_buff *skb,
u16 op, size_t len)
{
void *data;
data = skb_pull_data(skb, len);
if (!data)
bt_dev_err(hdev, "Malformed Command Complete: 0x%4.4x", op);
return data;
}
static void *hci_le_ev_skb_pull(struct hci_dev *hdev, struct sk_buff *skb,
u8 ev, size_t len)
{
void *data;
data = skb_pull_data(skb, len);
if (!data)
bt_dev_err(hdev, "Malformed LE Event: 0x%2.2x", ev);
return data;
}
static u8 hci_cc_inquiry_cancel(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
/* It is possible that we receive Inquiry Complete event right
* before we receive Inquiry Cancel Command Complete event, in
* which case the latter event should have status of Command
* Disallowed (0x0c). This should not be treated as error, since
* we actually achieve what Inquiry Cancel wants to achieve,
* which is to end the last Inquiry session.
*/
if (rp->status == 0x0c && !test_bit(HCI_INQUIRY, &hdev->flags)) {
bt_dev_warn(hdev, "Ignoring error of Inquiry Cancel command");
rp->status = 0x00;
}
if (rp->status)
return rp->status;
clear_bit(HCI_INQUIRY, &hdev->flags);
smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
wake_up_bit(&hdev->flags, HCI_INQUIRY);
hci_dev_lock(hdev);
/* Set discovery state to stopped if we're not doing LE active
* scanning.
*/
if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) ||
hdev->le_scan_type != LE_SCAN_ACTIVE)
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
hci_dev_unlock(hdev);
hci_conn_check_pending(hdev);
return rp->status;
}
static u8 hci_cc_periodic_inq(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
hci_dev_set_flag(hdev, HCI_PERIODIC_INQ);
return rp->status;
}
static u8 hci_cc_exit_periodic_inq(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ);
hci_conn_check_pending(hdev);
return rp->status;
}
static u8 hci_cc_remote_name_req_cancel(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
return rp->status;
}
static u8 hci_cc_role_discovery(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_role_discovery *rp = data;
struct hci_conn *conn;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
if (conn)
conn->role = rp->role;
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_read_link_policy(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_link_policy *rp = data;
struct hci_conn *conn;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
if (conn)
conn->link_policy = __le16_to_cpu(rp->policy);
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_write_link_policy(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_write_link_policy *rp = data;
struct hci_conn *conn;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
if (!sent)
return rp->status;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
if (conn)
conn->link_policy = get_unaligned_le16(sent + 2);
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_read_def_link_policy(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_def_link_policy *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
hdev->link_policy = __le16_to_cpu(rp->policy);
return rp->status;
}
static u8 hci_cc_write_def_link_policy(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
if (!sent)
return rp->status;
hdev->link_policy = get_unaligned_le16(sent);
return rp->status;
}
static u8 hci_cc_reset(struct hci_dev *hdev, void *data, struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
clear_bit(HCI_RESET, &hdev->flags);
if (rp->status)
return rp->status;
/* Reset all non-persistent flags */
hci_dev_clear_volatile_flags(hdev);
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
hdev->inq_tx_power = HCI_TX_POWER_INVALID;
hdev->adv_tx_power = HCI_TX_POWER_INVALID;
memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
hdev->adv_data_len = 0;
memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
hdev->scan_rsp_data_len = 0;
hdev->le_scan_type = LE_SCAN_PASSIVE;
hdev->ssp_debug_mode = 0;
hci_bdaddr_list_clear(&hdev->le_accept_list);
hci_bdaddr_list_clear(&hdev->le_resolv_list);
return rp->status;
}
static u8 hci_cc_read_stored_link_key(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_stored_link_key *rp = data;
struct hci_cp_read_stored_link_key *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY);
if (!sent)
return rp->status;
if (!rp->status && sent->read_all == 0x01) {
hdev->stored_max_keys = le16_to_cpu(rp->max_keys);
hdev->stored_num_keys = le16_to_cpu(rp->num_keys);
}
return rp->status;
}
static u8 hci_cc_delete_stored_link_key(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_delete_stored_link_key *rp = data;
u16 num_keys;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
num_keys = le16_to_cpu(rp->num_keys);
if (num_keys <= hdev->stored_num_keys)
hdev->stored_num_keys -= num_keys;
else
hdev->stored_num_keys = 0;
return rp->status;
}
static u8 hci_cc_write_local_name(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
if (!sent)
return rp->status;
hci_dev_lock(hdev);
if (hci_dev_test_flag(hdev, HCI_MGMT))
mgmt_set_local_name_complete(hdev, sent, rp->status);
else if (!rp->status)
memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_read_local_name(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_local_name *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
if (hci_dev_test_flag(hdev, HCI_SETUP) ||
hci_dev_test_flag(hdev, HCI_CONFIG))
memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
return rp->status;
}
static u8 hci_cc_write_auth_enable(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
if (!sent)
return rp->status;
hci_dev_lock(hdev);
if (!rp->status) {
__u8 param = *((__u8 *) sent);
if (param == AUTH_ENABLED)
set_bit(HCI_AUTH, &hdev->flags);
else
clear_bit(HCI_AUTH, &hdev->flags);
}
if (hci_dev_test_flag(hdev, HCI_MGMT))
mgmt_auth_enable_complete(hdev, rp->status);
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_write_encrypt_mode(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
__u8 param;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
if (!sent)
return rp->status;
param = *((__u8 *) sent);
if (param)
set_bit(HCI_ENCRYPT, &hdev->flags);
else
clear_bit(HCI_ENCRYPT, &hdev->flags);
return rp->status;
}
static u8 hci_cc_write_scan_enable(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
__u8 param;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
if (!sent)
return rp->status;
param = *((__u8 *) sent);
hci_dev_lock(hdev);
if (rp->status) {
hdev->discov_timeout = 0;
goto done;
}
if (param & SCAN_INQUIRY)
set_bit(HCI_ISCAN, &hdev->flags);
else
clear_bit(HCI_ISCAN, &hdev->flags);
if (param & SCAN_PAGE)
set_bit(HCI_PSCAN, &hdev->flags);
else
clear_bit(HCI_PSCAN, &hdev->flags);
done:
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_set_event_filter(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
struct hci_cp_set_event_filter *cp;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
sent = hci_sent_cmd_data(hdev, HCI_OP_SET_EVENT_FLT);
if (!sent)
return rp->status;
cp = (struct hci_cp_set_event_filter *)sent;
if (cp->flt_type == HCI_FLT_CLEAR_ALL)
hci_dev_clear_flag(hdev, HCI_EVENT_FILTER_CONFIGURED);
else
hci_dev_set_flag(hdev, HCI_EVENT_FILTER_CONFIGURED);
return rp->status;
}
static u8 hci_cc_read_class_of_dev(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_class_of_dev *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
memcpy(hdev->dev_class, rp->dev_class, 3);
bt_dev_dbg(hdev, "class 0x%.2x%.2x%.2x", hdev->dev_class[2],
hdev->dev_class[1], hdev->dev_class[0]);
return rp->status;
}
static u8 hci_cc_write_class_of_dev(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
if (!sent)
return rp->status;
hci_dev_lock(hdev);
if (!rp->status)
memcpy(hdev->dev_class, sent, 3);
if (hci_dev_test_flag(hdev, HCI_MGMT))
mgmt_set_class_of_dev_complete(hdev, sent, rp->status);
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_read_voice_setting(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_voice_setting *rp = data;
__u16 setting;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
setting = __le16_to_cpu(rp->voice_setting);
if (hdev->voice_setting == setting)
return rp->status;
hdev->voice_setting = setting;
bt_dev_dbg(hdev, "voice setting 0x%4.4x", setting);
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
return rp->status;
}
static u8 hci_cc_write_voice_setting(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
__u16 setting;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
if (!sent)
return rp->status;
setting = get_unaligned_le16(sent);
if (hdev->voice_setting == setting)
return rp->status;
hdev->voice_setting = setting;
bt_dev_dbg(hdev, "voice setting 0x%4.4x", setting);
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
return rp->status;
}
static u8 hci_cc_read_num_supported_iac(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_num_supported_iac *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
hdev->num_iac = rp->num_iac;
bt_dev_dbg(hdev, "num iac %d", hdev->num_iac);
return rp->status;
}
static u8 hci_cc_write_ssp_mode(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
struct hci_cp_write_ssp_mode *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
if (!sent)
return rp->status;
hci_dev_lock(hdev);
if (!rp->status) {
if (sent->mode)
hdev->features[1][0] |= LMP_HOST_SSP;
else
hdev->features[1][0] &= ~LMP_HOST_SSP;
}
if (!rp->status) {
if (sent->mode)
hci_dev_set_flag(hdev, HCI_SSP_ENABLED);
else
hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
}
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_write_sc_support(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_ev_status *rp = data;
struct hci_cp_write_sc_support *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
if (!sent)
return rp->status;
hci_dev_lock(hdev);
if (!rp->status) {
if (sent->support)
hdev->features[1][0] |= LMP_HOST_SC;
else
hdev->features[1][0] &= ~LMP_HOST_SC;
}
if (!hci_dev_test_flag(hdev, HCI_MGMT) && !rp->status) {
if (sent->support)
hci_dev_set_flag(hdev, HCI_SC_ENABLED);
else
hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
}
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_read_local_version(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_local_version *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
if (hci_dev_test_flag(hdev, HCI_SETUP) ||
hci_dev_test_flag(hdev, HCI_CONFIG)) {
hdev->hci_ver = rp->hci_ver;
hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
hdev->lmp_ver = rp->lmp_ver;
hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
}
return rp->status;
}
static u8 hci_cc_read_enc_key_size(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_enc_key_size *rp = data;
struct hci_conn *conn;
u16 handle;
u8 status = rp->status;
bt_dev_dbg(hdev, "status 0x%2.2x", status);
handle = le16_to_cpu(rp->handle);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, handle);
if (!conn) {
status = 0xFF;
goto done;
}
/* While unexpected, the read_enc_key_size command may fail. The most
* secure approach is to then assume the key size is 0 to force a
* disconnection.
*/
if (status) {
bt_dev_err(hdev, "failed to read key size for handle %u",
handle);
conn->enc_key_size = 0;
} else {
conn->enc_key_size = rp->key_size;
status = 0;
}
hci_encrypt_cfm(conn, 0);
done:
hci_dev_unlock(hdev);
return status;
}
static u8 hci_cc_read_local_commands(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_local_commands *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
if (hci_dev_test_flag(hdev, HCI_SETUP) ||
hci_dev_test_flag(hdev, HCI_CONFIG))
memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
return rp->status;
}
static u8 hci_cc_read_auth_payload_timeout(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_auth_payload_to *rp = data;
struct hci_conn *conn;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
if (conn)
conn->auth_payload_timeout = __le16_to_cpu(rp->timeout);
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_write_auth_payload_timeout(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_write_auth_payload_to *rp = data;
struct hci_conn *conn;
void *sent;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO);
if (!sent)
return rp->status;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
if (!conn) {
rp->status = 0xff;
goto unlock;
}
if (!rp->status)
conn->auth_payload_timeout = get_unaligned_le16(sent + 2);
hci_encrypt_cfm(conn, 0);
unlock:
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_read_local_features(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_local_features *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
memcpy(hdev->features, rp->features, 8);
/* Adjust default settings according to features
* supported by device. */
if (hdev->features[0][0] & LMP_3SLOT)
hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
if (hdev->features[0][0] & LMP_5SLOT)
hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
if (hdev->features[0][1] & LMP_HV2) {
hdev->pkt_type |= (HCI_HV2);
hdev->esco_type |= (ESCO_HV2);
}
if (hdev->features[0][1] & LMP_HV3) {
hdev->pkt_type |= (HCI_HV3);
hdev->esco_type |= (ESCO_HV3);
}
if (lmp_esco_capable(hdev))
hdev->esco_type |= (ESCO_EV3);
if (hdev->features[0][4] & LMP_EV4)
hdev->esco_type |= (ESCO_EV4);
if (hdev->features[0][4] & LMP_EV5)
hdev->esco_type |= (ESCO_EV5);
if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
hdev->esco_type |= (ESCO_2EV3);
if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
hdev->esco_type |= (ESCO_3EV3);
if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
return rp->status;
}
static u8 hci_cc_read_local_ext_features(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_local_ext_features *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
if (hdev->max_page < rp->max_page) {
if (test_bit(HCI_QUIRK_BROKEN_LOCAL_EXT_FEATURES_PAGE_2,
&hdev->quirks))
bt_dev_warn(hdev, "broken local ext features page 2");
else
hdev->max_page = rp->max_page;
}
if (rp->page < HCI_MAX_PAGES)
memcpy(hdev->features[rp->page], rp->features, 8);
return rp->status;
}
static u8 hci_cc_read_flow_control_mode(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_flow_control_mode *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
hdev->flow_ctl_mode = rp->mode;
return rp->status;
}
static u8 hci_cc_read_buffer_size(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_buffer_size *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
hdev->sco_mtu = rp->sco_mtu;
hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
hdev->sco_mtu = 64;
hdev->sco_pkts = 8;
}
hdev->acl_cnt = hdev->acl_pkts;
hdev->sco_cnt = hdev->sco_pkts;
BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
return rp->status;
}
static u8 hci_cc_read_bd_addr(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_bd_addr *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
if (test_bit(HCI_INIT, &hdev->flags))
bacpy(&hdev->bdaddr, &rp->bdaddr);
if (hci_dev_test_flag(hdev, HCI_SETUP))
bacpy(&hdev->setup_addr, &rp->bdaddr);
return rp->status;
}
static u8 hci_cc_read_local_pairing_opts(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_local_pairing_opts *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
if (hci_dev_test_flag(hdev, HCI_SETUP) ||
hci_dev_test_flag(hdev, HCI_CONFIG)) {
hdev->pairing_opts = rp->pairing_opts;
hdev->max_enc_key_size = rp->max_key_size;
}
return rp->status;
}
static u8 hci_cc_read_page_scan_activity(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_read_page_scan_activity *rp = data;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
if (test_bit(HCI_INIT, &hdev->flags)) {
hdev->page_scan_interval = __le16_to_cpu(rp->interval);
hdev->page_scan_window = __le16_to_cpu(rp->window);
}