- 根目录:
- net
- bluetooth
- hci_event.c
#include <linux/module.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/poll.h>
#include <linux/fcntl.h>
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/interrupt.h>
#include <net/sock.h>
#include <linux/uaccess.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
if (status) {
hci_dev_lock(hdev);
mgmt_stop_discovery_failed(hdev, status);
hci_dev_unlock(hdev);
return;
}
clear_bit(HCI_INQUIRY, &hdev->flags);
hci_dev_lock(hdev);
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
hci_dev_unlock(hdev);
hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
hci_conn_check_pending(hdev);
}
static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
if (status)
return;
hci_conn_check_pending(hdev);
}
static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb)
{
BT_DBG("%s", hdev->name);
}
static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_role_discovery *rp = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
if (conn) {
if (rp->role)
conn->link_mode &= ~HCI_LM_MASTER;
else
conn->link_mode |= HCI_LM_MASTER;
}
hci_dev_unlock(hdev);
}
static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_link_policy *rp = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
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);
}
static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_write_link_policy *rp = (void *) skb->data;
struct hci_conn *conn;
void *sent;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
if (!sent)
return;
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);
}
static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hdev->link_policy = __le16_to_cpu(rp->policy);
}
static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
void *sent;
BT_DBG("%s status 0x%x", hdev->name, status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
if (!sent)
return;
if (!status)
hdev->link_policy = get_unaligned_le16(sent);
hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
}
static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
clear_bit(HCI_RESET, &hdev->flags);
hci_req_complete(hdev, HCI_OP_RESET, status);
hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS));
hdev->discovery.state = DISCOVERY_STOPPED;
}
static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
void *sent;
BT_DBG("%s status 0x%x", hdev->name, status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
if (!sent)
return;
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_set_local_name_complete(hdev, sent, status);
else if (!status)
memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
hci_dev_unlock(hdev);
hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
}
static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_local_name *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
if (test_bit(HCI_SETUP, &hdev->dev_flags))
memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
}
static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
void *sent;
BT_DBG("%s status 0x%x", hdev->name, status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
if (!sent)
return;
if (!status) {
__u8 param = *((__u8 *) sent);
if (param == AUTH_ENABLED)
set_bit(HCI_AUTH, &hdev->flags);
else
clear_bit(HCI_AUTH, &hdev->flags);
}
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_auth_enable_complete(hdev, status);
hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
}
static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
void *sent;
BT_DBG("%s status 0x%x", hdev->name, status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
if (!sent)
return;
if (!status) {
__u8 param = *((__u8 *) sent);
if (param)
set_bit(HCI_ENCRYPT, &hdev->flags);
else
clear_bit(HCI_ENCRYPT, &hdev->flags);
}
hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
}
static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 param, status = *((__u8 *) skb->data);
int old_pscan, old_iscan;
void *sent;
BT_DBG("%s status 0x%x", hdev->name, status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
if (!sent)
return;
param = *((__u8 *) sent);
hci_dev_lock(hdev);
if (status != 0) {
mgmt_write_scan_failed(hdev, param, status);
hdev->discov_timeout = 0;
goto done;
}
old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
if (param & SCAN_INQUIRY) {
set_bit(HCI_ISCAN, &hdev->flags);
if (!old_iscan)
mgmt_discoverable(hdev, 1);
if (hdev->discov_timeout > 0) {
int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
queue_delayed_work(hdev->workqueue, &hdev->discov_off,
to);
}
} else if (old_iscan)
mgmt_discoverable(hdev, 0);
if (param & SCAN_PAGE) {
set_bit(HCI_PSCAN, &hdev->flags);
if (!old_pscan)
mgmt_connectable(hdev, 1);
} else if (old_pscan)
mgmt_connectable(hdev, 0);
done:
hci_dev_unlock(hdev);
hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
}
static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
memcpy(hdev->dev_class, rp->dev_class, 3);
BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
}
static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
void *sent;
BT_DBG("%s status 0x%x", hdev->name, status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
if (!sent)
return;
hci_dev_lock(hdev);
if (status == 0)
memcpy(hdev->dev_class, sent, 3);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_set_class_of_dev_complete(hdev, sent, status);
hci_dev_unlock(hdev);
}
static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_voice_setting *rp = (void *) skb->data;
__u16 setting;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
setting = __le16_to_cpu(rp->voice_setting);
if (hdev->voice_setting == setting)
return;
hdev->voice_setting = setting;
BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
}
static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
__u16 setting;
void *sent;
BT_DBG("%s status 0x%x", hdev->name, status);
if (status)
return;
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
if (!sent)
return;
setting = get_unaligned_le16(sent);
if (hdev->voice_setting == setting)
return;
hdev->voice_setting = setting;
BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
}
static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
}
static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
void *sent;
BT_DBG("%s status 0x%x", hdev->name, status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
if (!sent)
return;
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status);
else if (!status) {
if (*((u8 *) sent))
set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
else
clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
}
}
static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
{
if (hdev->features[6] & LMP_EXT_INQ)
return 2;
if (hdev->features[3] & LMP_RSSI_INQ)
return 1;
if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
hdev->lmp_subver == 0x0757)
return 1;
if (hdev->manufacturer == 15) {
if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
return 1;
if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
return 1;
if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
return 1;
}
if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
hdev->lmp_subver == 0x1805)
return 1;
return 0;
}
static void hci_setup_inquiry_mode(struct hci_dev *hdev)
{
u8 mode;
mode = hci_get_inquiry_mode(hdev);
hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
}
static void hci_setup_event_mask(struct hci_dev *hdev)
{
u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
if (hdev->hci_ver < BLUETOOTH_VER_1_2)
return;
events[4] |= 0x01;
events[4] |= 0x02;
events[4] |= 0x04;
events[5] |= 0x08;
events[5] |= 0x10;
if (hdev->features[3] & LMP_RSSI_INQ)
events[4] |= 0x04;
if (hdev->features[5] & LMP_SNIFF_SUBR)
events[5] |= 0x20;
if (hdev->features[5] & LMP_PAUSE_ENC)
events[5] |= 0x80;
if (hdev->features[6] & LMP_EXT_INQ)
events[5] |= 0x40;
if (hdev->features[6] & LMP_NO_FLUSH)
events[7] |= 0x01;
if (hdev->features[7] & LMP_LSTO)
events[6] |= 0x80;
if (hdev->features[6] & LMP_SIMPLE_PAIR) {
events[6] |= 0x01;
events[6] |= 0x02;
events[6] |= 0x04;
events[6] |= 0x08;
events[6] |= 0x10;
events[6] |= 0x20;
events[7] |= 0x04;
events[7] |= 0x08;
events[7] |= 0x10;
}
if (hdev->features[4] & LMP_LE)
events[7] |= 0x20;
hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
}
static void hci_setup(struct hci_dev *hdev)
{
if (hdev->dev_type != HCI_BREDR)
return;
hci_setup_event_mask(hdev);
if (hdev->hci_ver > BLUETOOTH_VER_1_1)
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
if (hdev->features[6] & LMP_SIMPLE_PAIR) {
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
u8 mode = 0x01;
hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
sizeof(mode), &mode);
} else {
struct hci_cp_write_eir cp;
memset(hdev->eir, 0, sizeof(hdev->eir));
memset(&cp, 0, sizeof(cp));
hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
}
}
if (hdev->features[3] & LMP_RSSI_INQ)
hci_setup_inquiry_mode(hdev);
if (hdev->features[7] & LMP_INQ_TX_PWR)
hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
if (hdev->features[7] & LMP_EXTFEATURES) {
struct hci_cp_read_local_ext_features cp;
cp.page = 0x01;
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp),
&cp);
}
if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
u8 enable = 1;
hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
&enable);
}
}
static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_local_version *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
goto done;
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);
BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
hdev->manufacturer,
hdev->hci_ver, hdev->hci_rev);
if (test_bit(HCI_INIT, &hdev->flags))
hci_setup(hdev);
done:
hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status);
}
static void hci_setup_link_policy(struct hci_dev *hdev)
{
u16 link_policy = 0;
if (hdev->features[0] & LMP_RSWITCH)
link_policy |= HCI_LP_RSWITCH;
if (hdev->features[0] & LMP_HOLD)
link_policy |= HCI_LP_HOLD;
if (hdev->features[0] & LMP_SNIFF)
link_policy |= HCI_LP_SNIFF;
if (hdev->features[1] & LMP_PARK)
link_policy |= HCI_LP_PARK;
link_policy = cpu_to_le16(link_policy);
hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(link_policy),
&link_policy);
}
static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_local_commands *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
goto done;
memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
hci_setup_link_policy(hdev);
done:
hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
}
static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_local_features *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
memcpy(hdev->features, rp->features, 8);
if (hdev->features[0] & LMP_3SLOT)
hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
if (hdev->features[0] & LMP_5SLOT)
hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
if (hdev->features[1] & LMP_HV2) {
hdev->pkt_type |= (HCI_HV2);
hdev->esco_type |= (ESCO_HV2);
}
if (hdev->features[1] & LMP_HV3) {
hdev->pkt_type |= (HCI_HV3);
hdev->esco_type |= (ESCO_HV3);
}
if (hdev->features[3] & LMP_ESCO)
hdev->esco_type |= (ESCO_EV3);
if (hdev->features[4] & LMP_EV4)
hdev->esco_type |= (ESCO_EV4);
if (hdev->features[4] & LMP_EV5)
hdev->esco_type |= (ESCO_EV5);
if (hdev->features[5] & LMP_EDR_ESCO_2M)
hdev->esco_type |= (ESCO_2EV3);
if (hdev->features[5] & LMP_EDR_ESCO_3M)
hdev->esco_type |= (ESCO_3EV3);
if (hdev->features[5] & LMP_EDR_3S_ESCO)
hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
hdev->features[0], hdev->features[1],
hdev->features[2], hdev->features[3],
hdev->features[4], hdev->features[5],
hdev->features[6], hdev->features[7]);
}
static void hci_set_le_support(struct hci_dev *hdev)
{
struct hci_cp_write_le_host_supported cp;
memset(&cp, 0, sizeof(cp));
if (enable_le && test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
cp.le = 1;
cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
}
if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE))
hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
&cp);
}
static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
goto done;
switch (rp->page) {
case 0:
memcpy(hdev->features, rp->features, 8);
break;
case 1:
memcpy(hdev->host_features, rp->features, 8);
break;
}
if (test_bit(HCI_INIT, &hdev->flags) && hdev->features[4] & LMP_LE)
hci_set_le_support(hdev);
done:
hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
}
static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hdev->flow_ctl_mode = rp->mode;
hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status);
}
static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_buffer_size *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
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);
}
static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_bd_addr *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (!rp->status)
bacpy(&hdev->bdaddr, &rp->bdaddr);
hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
}
static void hci_cc_read_data_block_size(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_read_data_block_size *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
hdev->block_len = __le16_to_cpu(rp->block_len);
hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
hdev->block_cnt = hdev->num_blocks;
BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
hdev->block_cnt, hdev->block_len);
hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
}
static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
}
static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hdev->amp_status = rp->amp_status;
hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
hdev->amp_type = rp->amp_type;
hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
}
static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
}
static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
}
static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
}
static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, status);
}
static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
}
static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_pin_code_reply *rp = (void *) skb->data;
struct hci_cp_pin_code_reply *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
if (rp->status != 0)
goto unlock;
cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
if (!cp)
goto unlock;
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
if (conn)
conn->pin_length = cp->pin_len;
unlock:
hci_dev_unlock(hdev);
}
static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
rp->status);
hci_dev_unlock(hdev);
}
static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
hdev->le_pkts = rp->le_max_pkt;
hdev->le_cnt = hdev->le_pkts;
BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
}
static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
rp->status);
hci_dev_unlock(hdev);
}
static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
ACL_LINK, 0, rp->status);
hci_dev_unlock(hdev);
}
static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
0, rp->status);
hci_dev_unlock(hdev);
}
static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
ACL_LINK, 0, rp->status);
hci_dev_unlock(hdev);
}
static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
hci_dev_lock(hdev);
mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
rp->randomizer, rp->status);
hci_dev_unlock(hdev);
}
static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status);
if (status) {
hci_dev_lock(hdev);
mgmt_start_discovery_failed(hdev, status);
hci_dev_unlock(hdev);
return;
}
}
static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_cp_le_set_scan_enable *cp;
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
if (!cp)
return;
switch (cp->enable) {
case LE_SCANNING_ENABLED:
hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status);
if (status) {
hci_dev_lock(hdev);
mgmt_start_discovery_failed(hdev, status);
hci_dev_unlock(hdev);
return;
}
set_bit(HCI_LE_SCAN, &hdev->dev_flags);
cancel_delayed_work_sync(&hdev->adv_work);
hci_dev_lock(hdev);
hci_adv_entries_clear(hdev);
hci_discovery_set_state(hdev, DISCOVERY_FINDING);
hci_dev_unlock(hdev);
break;
case LE_SCANNING_DISABLED:
if (status)
return;
clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
schedule_delayed_work(&hdev->adv_work, ADV_CLEAR_TIMEOUT);
if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED) {
mgmt_interleaved_discovery(hdev);
} else {
hci_dev_lock(hdev);
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
hci_dev_unlock(hdev);
}
break;
default:
BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
break;
}
}
static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
}
static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
}
static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_cp_write_le_host_supported *sent;
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%x", hdev->name, status);
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
if (!sent)
return;
if (!status) {
if (sent->le)
hdev->host_features[0] |= LMP_HOST_LE;
else
hdev->host_features[0] &= ~LMP_HOST_LE;
}
if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
!test_bit(HCI_INIT, &hdev->flags))
mgmt_le_enable_complete(hdev, sent->le, status);
hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status);
}
static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
BT_DBG("%s status 0x%x", hdev->name, status);
if (status) {
hci_req_complete(hdev, HCI_OP_INQUIRY, status);
hci_conn_check_pending(hdev);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_start_discovery_failed(hdev, status);
hci_dev_unlock(hdev);
return;
}
set_bit(HCI_INQUIRY, &hdev->flags);
hci_dev_lock(hdev);
hci_discovery_set_state(hdev, DISCOVERY_FINDING);
hci_dev_unlock(hdev);
}
static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_create_conn *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, status);
cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn);
if (status) {
if (conn && conn->state == BT_CONNECT) {
if (status != 0x0c || conn->attempt > 2) {
conn->state = BT_CLOSED;
hci_proto_connect_cfm(conn, status);
hci_conn_del(conn);
} else
conn->state = BT_CONNECT2;
}
} else {
if (!conn) {
conn = hci_conn_add(hdev, ACL_LINK, 0, &cp->bdaddr);
if (conn) {
conn->out = true;
conn->link_mode |= HCI_LM_MASTER;
} else
BT_ERR("No memory for new connection");
}
}
hci_dev_unlock(hdev);
}
static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_add_sco *cp;
struct hci_conn *acl, *sco;
__u16 handle;
BT_DBG("%s status 0x%x", hdev->name, status);
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
if (!cp)
return;
handle = __le16_to_cpu(cp->handle);
BT_DBG("%s handle %d", hdev->name, handle);
hci_dev_lock(hdev);
acl = hci_conn_hash_lookup_handle(hdev, handle);
if (acl) {
sco = acl->link;
if (sco) {
sco->state = BT_CLOSED;
hci_proto_connect_cfm(sco, status);
hci_conn_del(sco);
}
}
hci_dev_unlock(hdev);
}
static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_auth_requested *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, status);
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
if (conn) {
if (conn->state == BT_CONFIG) {
hci_proto_connect_cfm(conn, status);
hci_conn_put(conn);
}
}
hci_dev_unlock(hdev);
}
static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_set_conn_encrypt *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, status);
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
if (conn) {
if (conn->state == BT_CONFIG) {
hci_proto_connect_cfm(conn, status);
hci_conn_put(conn);
}
}
hci_dev_unlock(hdev);
}
static int hci_outgoing_auth_needed(struct hci_dev *hdev,
struct hci_conn *conn)
{
if (conn->state != BT_CONFIG || !conn->out)
return 0;
if (conn->pending_sec_level == BT_SECURITY_SDP)
return 0;
if (!hci_conn_ssp_enabled(conn) &&
conn->pending_sec_level != BT_SECURITY_HIGH &&
!(conn->auth_type & 0x01))
return 0;
return 1;
}
static inline int hci_resolve_name(struct hci_dev *hdev,
struct inquiry_entry *e)
{
struct hci_cp_remote_name_req cp;
memset(&cp, 0, sizeof(cp));
bacpy(&cp.bdaddr, &e->data.bdaddr);
cp.pscan_rep_mode = e->data.pscan_rep_mode;
cp.pscan_mode = e->data.pscan_mode;
cp.clock_offset = e->data.clock_offset;
return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
}
static bool hci_resolve_next_name(struct hci_dev *hdev)
{
struct discovery_state *discov = &hdev->discovery;
struct inquiry_entry *e;
if (list_empty(&discov->resolve))
return false;
e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
if (!e)
return false;
if (hci_resolve_name(hdev, e) == 0) {
e->name_state = NAME_PENDING;
return true;
}
return false;
}
static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
bdaddr_t *bdaddr, u8 *name, u8 name_len)
{
struct discovery_state *discov = &hdev->discovery;
struct inquiry_entry *e;
if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
name_len, conn->dev_class);
if (discov->state == DISCOVERY_STOPPED)
return;
if (discov->state == DISCOVERY_STOPPING)
goto discov_complete;
if (discov->state != DISCOVERY_RESOLVING)
return;
e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
if (!e)
return;
list_del(&e->list);
if (name) {
e->name_state = NAME_KNOWN;
mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
e->data.rssi, name, name_len);
} else {
e->name_state = NAME_NOT_KNOWN;
}
if (hci_resolve_next_name(hdev))
return;
discov_complete:
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
}
static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_remote_name_req *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, status);
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
if (!conn)
goto unlock;
if (!hci_outgoing_auth_needed(hdev, conn))
goto unlock;
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
struct hci_cp_auth_requested cp;
cp.handle = __cpu_to_le16(conn->handle);
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
}
unlock:
hci_dev_unlock(hdev);
}
static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_read_remote_features *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, status);
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
if (conn) {
if (conn->state == BT_CONFIG) {
hci_proto_connect_cfm(conn, status);
hci_conn_put(conn);
}
}
hci_dev_unlock(hdev);
}
static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_read_remote_ext_features *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, status);
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
if (conn) {
if (conn->state == BT_CONFIG) {
hci_proto_connect_cfm(conn, status);
hci_conn_put(conn);
}
}
hci_dev_unlock(hdev);
}
static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_setup_sync_conn *cp;
struct hci_conn *acl, *sco;
__u16 handle;
BT_DBG("%s status 0x%x", hdev->name, status);
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
if (!cp)
return;
handle = __le16_to_cpu(cp->handle);
BT_DBG("%s handle %d", hdev->name, handle);
hci_dev_lock(hdev);
acl = hci_conn_hash_lookup_handle(hdev, handle);
if (acl) {
sco = acl->link;
if (sco) {
sco->state = BT_CLOSED;
hci_proto_connect_cfm(sco, status);
hci_conn_del(sco);
}
}
hci_dev_unlock(hdev);
}
static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_sniff_mode *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, status);
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
if (conn) {
clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
hci_sco_setup(conn, status);
}
hci_dev_unlock(hdev);
}
static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_exit_sniff_mode *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, status);
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
if (conn) {
clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
hci_sco_setup(conn, status);
}
hci_dev_unlock(hdev);
}
static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
{
struct hci_cp_disconnect *cp;
struct hci_conn *conn;
if (!status)
return;
cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
if (conn)
mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
conn->dst_type, status);
hci_dev_unlock(hdev);
}
static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
{
struct hci_cp_le_create_conn *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%x", hdev->name, status);
cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
if (!cp)
return;
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->peer_addr),
conn);
if (status) {
if (conn && conn->state == BT_CONNECT) {
conn->state = BT_CLOSED;
hci_proto_connect_cfm(conn, status);
hci_conn_del(conn);
}
} else {
if (!conn) {
conn = hci_conn_add(hdev, LE_LINK, 0, &cp->peer_addr);
if (conn) {
conn->dst_type = cp->peer_addr_type;
conn->out = true;
} else {
BT_ERR("No memory for new connection");
}
}
}
hci_dev_unlock(hdev);
}
static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
{
BT_DBG("%s status 0x%x", hdev->name, status);
}
static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
struct discovery_state *discov = &hdev->discovery;
struct inquiry_entry *e;
BT_DBG("%s status %d", hdev->name, status);
hci_req_complete(hdev, HCI_OP_INQUIRY, status);
hci_conn_check_pending(hdev);
if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
return;
if (!test_bit(HCI_MGMT, &hdev->dev_flags))
return;
hci_dev_lock(hdev);
if (discov->state != DISCOVERY_FINDING)
goto unlock;
if (list_empty(&discov->resolve)) {
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
goto unlock;
}
e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
if (e && hci_resolve_name(hdev, e) == 0) {
e->name_state = NAME_PENDING;
hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
} else {
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct inquiry_data data;
struct inquiry_info *info = (void *) (skb->data + 1);
int num_rsp = *((__u8 *) skb->data);
BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
if (!num_rsp)
return;
hci_dev_lock(hdev);
for (; num_rsp; num_rsp--, info++) {
bool name_known, ssp;
bacpy(&data.bdaddr, &info->bdaddr);
data.pscan_rep_mode = info->pscan_rep_mode;
data.pscan_period_mode = info->pscan_period_mode;
data.pscan_mode = info->pscan_mode;
memcpy(data.dev_class, info->dev_class, 3);
data.clock_offset = info->clock_offset;
data.rssi = 0x00;
data.ssp_mode = 0x00;
name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
info->dev_class, 0, !name_known, ssp, NULL,
0);
}
hci_dev_unlock(hdev);
}
static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_conn_complete *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
if (!conn) {
if (ev->link_type != SCO_LINK)
goto unlock;
conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
if (!conn)
goto unlock;
conn->type = SCO_LINK;
}
if (!ev->status) {
conn->handle = __le16_to_cpu(ev->handle);
if (conn->type == ACL_LINK) {
conn->state = BT_CONFIG;
hci_conn_hold(conn);
if (!conn->out && !hci_conn_ssp_enabled(conn) &&
!hci_find_link_key(hdev, &ev->bdaddr))
conn->disc_timeout = HCI_PAIRING_TIMEOUT;
else
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
} else
conn->state = BT_CONNECTED;
hci_conn_hold_device(conn);
hci_conn_add_sysfs(conn);
if (test_bit(HCI_AUTH, &hdev->flags))
conn->link_mode |= HCI_LM_AUTH;
if (test_bit(HCI_ENCRYPT, &hdev->flags))
conn->link_mode |= HCI_LM_ENCRYPT;
if (conn->type == ACL_LINK) {
struct hci_cp_read_remote_features cp;
cp.handle = ev->handle;
hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
sizeof(cp), &cp);
}
if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
struct hci_cp_change_conn_ptype cp;
cp.handle = ev->handle;
cp.pkt_type = cpu_to_le16(conn->pkt_type);
hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
&cp);
}
} else {
conn->state = BT_CLOSED;
if (conn->type == ACL_LINK)
mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
conn->dst_type, ev->status);
}
if (conn->type == ACL_LINK)
hci_sco_setup(conn, ev->status);
if (ev->status) {
hci_proto_connect_cfm(conn, ev->status);
hci_conn_del(conn);
} else if (ev->link_type != ACL_LINK)
hci_proto_connect_cfm(conn, ev->status);
unlock:
hci_dev_unlock(hdev);
hci_conn_check_pending(hdev);
}
static inline bool is_sco_active(struct hci_dev *hdev)
{
if (hci_conn_hash_lookup_state(hdev, SCO_LINK, BT_CONNECTED) ||
(hci_conn_hash_lookup_state(hdev, ESCO_LINK,
BT_CONNECTED)))
return true;
return false;
}
static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_conn_request *ev = (void *) skb->data;
int mask = hdev->link_mode;
BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
batostr(&ev->bdaddr), ev->link_type);
mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
if ((mask & HCI_LM_ACCEPT) &&
!hci_blacklist_lookup(hdev, &ev->bdaddr)) {
struct inquiry_entry *ie;
struct hci_conn *conn;
hci_dev_lock(hdev);
ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
if (ie)
memcpy(ie->data.dev_class, ev->dev_class, 3);
conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
if (!conn) {
conn = hci_conn_add(hdev, ev->link_type, 0, &ev->bdaddr);
if (!conn) {
BT_ERR("No memory for new connection");
hci_dev_unlock(hdev);
return;
}
}
memcpy(conn->dev_class, ev->dev_class, 3);
conn->state = BT_CONNECT;
hci_dev_unlock(hdev);
if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
struct hci_cp_accept_conn_req cp;
bacpy(&cp.bdaddr, &ev->bdaddr);
if (lmp_rswitch_capable(hdev) && ((mask & HCI_LM_MASTER)
|| is_sco_active(hdev)))
cp.role = 0x00;
else
cp.role = 0x01;
hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
&cp);
} else {
struct hci_cp_accept_sync_conn_req cp;
bacpy(&cp.bdaddr, &ev->bdaddr);
cp.pkt_type = cpu_to_le16(conn->pkt_type);
cp.tx_bandwidth = cpu_to_le32(0x00001f40);
cp.rx_bandwidth = cpu_to_le32(0x00001f40);
cp.max_latency = cpu_to_le16(0xffff);
cp.content_format = cpu_to_le16(hdev->voice_setting);
cp.retrans_effort = 0xff;
hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
sizeof(cp), &cp);
}
} else {
struct hci_cp_reject_conn_req cp;
bacpy(&cp.bdaddr, &ev->bdaddr);
cp.reason = HCI_ERROR_REJ_BAD_ADDR;
hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
}
}
static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_disconn_complete *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (!conn)
goto unlock;
if (ev->status == 0)
conn->state = BT_CLOSED;
if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
(conn->type == ACL_LINK || conn->type == LE_LINK)) {
if (ev->status != 0)
mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
conn->dst_type, ev->status);
else
mgmt_device_disconnected(hdev, &conn->dst, conn->type,
conn->dst_type);
}
if (ev->status == 0) {
if (conn->type == ACL_LINK && conn->flush_key)
hci_remove_link_key(hdev, &conn->dst);
hci_proto_disconn_cfm(conn, ev->reason);
hci_conn_del(conn);
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_auth_complete *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (!conn)
goto unlock;
if (!ev->status) {
if (!hci_conn_ssp_enabled(conn) &&
test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
BT_INFO("re-auth of legacy device is not possible.");
} else {
conn->link_mode |= HCI_LM_AUTH;
conn->sec_level = conn->pending_sec_level;
}
} else {
mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
ev->status);
}
clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
if (conn->state == BT_CONFIG) {
if (!ev->status && hci_conn_ssp_enabled(conn)) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = ev->handle;
cp.encrypt = 0x01;
hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
&cp);
} else {
conn->state = BT_CONNECTED;
hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);
}
} else {
hci_auth_cfm(conn, ev->status);
hci_conn_hold(conn);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
hci_conn_put(conn);
}
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
if (!ev->status) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = ev->handle;
cp.encrypt = 0x01;
hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
&cp);
} else {
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
hci_encrypt_cfm(conn, ev->status, 0x00);
}
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_remote_name *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
hci_conn_check_pending(hdev);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (!test_bit(HCI_MGMT, &hdev->dev_flags))
goto check_auth;
if (ev->status == 0)
hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
strnlen(ev->name, HCI_MAX_NAME_LENGTH));
else
hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
check_auth:
if (!conn)
goto unlock;
if (!hci_outgoing_auth_needed(hdev, conn))
goto unlock;
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
struct hci_cp_auth_requested cp;
cp.handle = __cpu_to_le16(conn->handle);
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_encrypt_change *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn) {
if (!ev->status) {
if (ev->encrypt) {
conn->link_mode |= HCI_LM_AUTH;
conn->link_mode |= HCI_LM_ENCRYPT;
conn->sec_level = conn->pending_sec_level;
} else
conn->link_mode &= ~HCI_LM_ENCRYPT;
}
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
if (ev->status && conn->state == BT_CONNECTED) {
hci_acl_disconn(conn, 0x13);
hci_conn_put(conn);
goto unlock;
}
if (conn->state == BT_CONFIG) {
if (!ev->status)
conn->state = BT_CONNECTED;
hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);
} else
hci_encrypt_cfm(conn, ev->status, ev->encrypt);
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn) {
if (!ev->status)
conn->link_mode |= HCI_LM_SECURE;
clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
hci_key_change_cfm(conn, ev->status);
}
hci_dev_unlock(hdev);
}
static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_remote_features *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (!conn)
goto unlock;
if (!ev->status)
memcpy(conn->features, ev->features, 8);
if (conn->state != BT_CONFIG)
goto unlock;
if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
struct hci_cp_read_remote_ext_features cp;
cp.handle = ev->handle;
cp.page = 0x01;
hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
sizeof(cp), &cp);
goto unlock;
}
if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
struct hci_cp_remote_name_req cp;
memset(&cp, 0, sizeof(cp));
bacpy(&cp.bdaddr, &conn->dst);
cp.pscan_rep_mode = 0x02;
hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
} else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
mgmt_device_connected(hdev, &conn->dst, conn->type,
conn->dst_type, 0, NULL, 0,
conn->dev_class);
if (!hci_outgoing_auth_needed(hdev, conn)) {
conn->state = BT_CONNECTED;
hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
BT_DBG("%s", hdev->name);
}
static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
BT_DBG("%s", hdev->name);
}
static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_cmd_complete *ev = (void *) skb->data;
__u16 opcode;
skb_pull(skb, sizeof(*ev));
opcode = __le16_to_cpu(ev->opcode);
switch (opcode) {
case HCI_OP_INQUIRY_CANCEL:
hci_cc_inquiry_cancel(hdev, skb);
break;
case HCI_OP_EXIT_PERIODIC_INQ:
hci_cc_exit_periodic_inq(hdev, skb);
break;
case HCI_OP_REMOTE_NAME_REQ_CANCEL:
hci_cc_remote_name_req_cancel(hdev, skb);
break;
case HCI_OP_ROLE_DISCOVERY:
hci_cc_role_discovery(hdev, skb);
break;
case HCI_OP_READ_LINK_POLICY:
hci_cc_read_link_policy(hdev, skb);
break;
case HCI_OP_WRITE_LINK_POLICY:
hci_cc_write_link_policy(hdev, skb);
break;
case HCI_OP_READ_DEF_LINK_POLICY:
hci_cc_read_def_link_policy(hdev, skb);
break;
case HCI_OP_WRITE_DEF_LINK_POLICY:
hci_cc_write_def_link_policy(hdev, skb);
break;
case HCI_OP_RESET:
hci_cc_reset(hdev, skb);
break;
case HCI_OP_WRITE_LOCAL_NAME:
hci_cc_write_local_name(hdev, skb);
break;
case HCI_OP_READ_LOCAL_NAME:
hci_cc_read_local_name(hdev, skb);
break;
case HCI_OP_WRITE_AUTH_ENABLE:
hci_cc_write_auth_enable(hdev, skb);
break;
case HCI_OP_WRITE_ENCRYPT_MODE:
hci_cc_write_encrypt_mode(hdev, skb);
break;
case HCI_OP_WRITE_SCAN_ENABLE:
hci_cc_write_scan_enable(hdev, skb);
break;
case HCI_OP_READ_CLASS_OF_DEV:
hci_cc_read_class_of_dev(hdev, skb);
break;
case HCI_OP_WRITE_CLASS_OF_DEV:
hci_cc_write_class_of_dev(hdev, skb);
break;
case HCI_OP_READ_VOICE_SETTING:
hci_cc_read_voice_setting(hdev, skb);
break;
case HCI_OP_WRITE_VOICE_SETTING:
hci_cc_write_voice_setting(hdev, skb);
break;
case HCI_OP_HOST_BUFFER_SIZE:
hci_cc_host_buffer_size(hdev, skb);
break;
case HCI_OP_WRITE_SSP_MODE:
hci_cc_write_ssp_mode(hdev, skb);
break;
case HCI_OP_READ_LOCAL_VERSION:
hci_cc_read_local_version(hdev, skb);
break;
case HCI_OP_READ_LOCAL_COMMANDS:
hci_cc_read_local_commands(hdev, skb);
break;
case HCI_OP_READ_LOCAL_FEATURES:
hci_cc_read_local_features(hdev, skb);
break;
case HCI_OP_READ_LOCAL_EXT_FEATURES:
hci_cc_read_local_ext_features(hdev, skb);
break;
case HCI_OP_READ_BUFFER_SIZE:
hci_cc_read_buffer_size(hdev, skb);
break;
case HCI_OP_READ_BD_ADDR:
hci_cc_read_bd_addr(hdev, skb);
break;
case HCI_OP_READ_DATA_BLOCK_SIZE:
hci_cc_read_data_block_size(hdev, skb);
break;
case HCI_OP_WRITE_CA_TIMEOUT:
hci_cc_write_ca_timeout(hdev, skb);
break;
case HCI_OP_READ_FLOW_CONTROL_MODE:
hci_cc_read_flow_control_mode(hdev, skb);
break;
case HCI_OP_READ_LOCAL_AMP_INFO:
hci_cc_read_local_amp_info(hdev, skb);
break;
case HCI_OP_DELETE_STORED_LINK_KEY:
hci_cc_delete_stored_link_key(hdev, skb);
break;
case HCI_OP_SET_EVENT_MASK:
hci_cc_set_event_mask(hdev, skb);
break;
case HCI_OP_WRITE_INQUIRY_MODE:
hci_cc_write_inquiry_mode(hdev, skb);
break;
case HCI_OP_READ_INQ_RSP_TX_POWER:
hci_cc_read_inq_rsp_tx_power(hdev, skb);
break;
case HCI_OP_SET_EVENT_FLT:
hci_cc_set_event_flt(hdev, skb);
break;
case HCI_OP_PIN_CODE_REPLY:
hci_cc_pin_code_reply(hdev, skb);
break;
case HCI_OP_PIN_CODE_NEG_REPLY:
hci_cc_pin_code_neg_reply(hdev, skb);
break;
case HCI_OP_READ_LOCAL_OOB_DATA:
hci_cc_read_local_oob_data_reply(hdev, skb);
break;
case HCI_OP_LE_READ_BUFFER_SIZE:
hci_cc_le_read_buffer_size(hdev, skb);
break;
case HCI_OP_USER_CONFIRM_REPLY:
hci_cc_user_confirm_reply(hdev, skb);
break;
case HCI_OP_USER_CONFIRM_NEG_REPLY:
hci_cc_user_confirm_neg_reply(hdev, skb);
break;
case HCI_OP_USER_PASSKEY_REPLY:
hci_cc_user_passkey_reply(hdev, skb);
break;
case HCI_OP_USER_PASSKEY_NEG_REPLY:
hci_cc_user_passkey_neg_reply(hdev, skb);
break;
case HCI_OP_LE_SET_SCAN_PARAM:
hci_cc_le_set_scan_param(hdev, skb);
break;
case HCI_OP_LE_SET_SCAN_ENABLE:
hci_cc_le_set_scan_enable(hdev, skb);
break;
case HCI_OP_LE_LTK_REPLY:
hci_cc_le_ltk_reply(hdev, skb);
break;
case HCI_OP_LE_LTK_NEG_REPLY:
hci_cc_le_ltk_neg_reply(hdev, skb);
break;
case HCI_OP_WRITE_LE_HOST_SUPPORTED:
hci_cc_write_le_host_supported(hdev, skb);
break;
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;
}
if (ev->opcode != HCI_OP_NOP)
del_timer(&hdev->cmd_timer);
if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
atomic_set(&hdev->cmd_cnt, 1);
if (!skb_queue_empty(&hdev->cmd_q))
queue_work(hdev->workqueue, &hdev->cmd_work);
}
}
static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_cmd_status *ev = (void *) skb->data;
__u16 opcode;
skb_pull(skb, sizeof(*ev));
opcode = __le16_to_cpu(ev->opcode);
switch (opcode) {
case HCI_OP_INQUIRY:
hci_cs_inquiry(hdev, ev->status);
break;
case HCI_OP_CREATE_CONN:
hci_cs_create_conn(hdev, ev->status);
break;
case HCI_OP_ADD_SCO:
hci_cs_add_sco(hdev, ev->status);
break;
case HCI_OP_AUTH_REQUESTED:
hci_cs_auth_requested(hdev, ev->status);
break;
case HCI_OP_SET_CONN_ENCRYPT:
hci_cs_set_conn_encrypt(hdev, ev->status);
break;
case HCI_OP_REMOTE_NAME_REQ:
hci_cs_remote_name_req(hdev, ev->status);
break;
case HCI_OP_READ_REMOTE_FEATURES:
hci_cs_read_remote_features(hdev, ev->status);
break;
case HCI_OP_READ_REMOTE_EXT_FEATURES:
hci_cs_read_remote_ext_features(hdev, ev->status);
break;
case HCI_OP_SETUP_SYNC_CONN:
hci_cs_setup_sync_conn(hdev, ev->status);
break;
case HCI_OP_SNIFF_MODE:
hci_cs_sniff_mode(hdev, ev->status);
break;
case HCI_OP_EXIT_SNIFF_MODE:
hci_cs_exit_sniff_mode(hdev, ev->status);
break;
case HCI_OP_DISCONNECT:
hci_cs_disconnect(hdev, ev->status);
break;
case HCI_OP_LE_CREATE_CONN:
hci_cs_le_create_conn(hdev, ev->status);
break;
case HCI_OP_LE_START_ENC:
hci_cs_le_start_enc(hdev, ev->status);
break;
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;
}
if (ev->opcode != HCI_OP_NOP)
del_timer(&hdev->cmd_timer);
if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
atomic_set(&hdev->cmd_cnt, 1);
if (!skb_queue_empty(&hdev->cmd_q))
queue_work(hdev->workqueue, &hdev->cmd_work);
}
}
static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_role_change *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (conn) {
if (!ev->status) {
if (ev->role)
conn->link_mode &= ~HCI_LM_MASTER;
else
conn->link_mode |= HCI_LM_MASTER;
}
clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
hci_role_switch_cfm(conn, ev->status, ev->role);
}
hci_dev_unlock(hdev);
}
static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
int i;
if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
return;
}
if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
BT_DBG("%s bad parameters", hdev->name);
return;
}
BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
for (i = 0; i < ev->num_hndl; i++) {
struct hci_comp_pkts_info *info = &ev->handles[i];
struct hci_conn *conn;
__u16 handle, count;
handle = __le16_to_cpu(info->handle);
count = __le16_to_cpu(info->count);
conn = hci_conn_hash_lookup_handle(hdev, handle);
if (!conn)
continue;
conn->sent -= count;
switch (conn->type) {
case ACL_LINK:
hdev->acl_cnt += count;
if (hdev->acl_cnt > hdev->acl_pkts)
hdev->acl_cnt = hdev->acl_pkts;
break;
case LE_LINK:
if (hdev->le_pkts) {
hdev->le_cnt += count;
if (hdev->le_cnt > hdev->le_pkts)
hdev->le_cnt = hdev->le_pkts;
} else {
hdev->acl_cnt += count;
if (hdev->acl_cnt > hdev->acl_pkts)
hdev->acl_cnt = hdev->acl_pkts;
}
break;
case SCO_LINK:
hdev->sco_cnt += count;
if (hdev->sco_cnt > hdev->sco_pkts)
hdev->sco_cnt = hdev->sco_pkts;
break;
default:
BT_ERR("Unknown type %d conn %p", conn->type, conn);
break;
}
}
queue_work(hdev->workqueue, &hdev->tx_work);
}
static inline void hci_num_comp_blocks_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
int i;
if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
return;
}
if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
BT_DBG("%s bad parameters", hdev->name);
return;
}
BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
ev->num_hndl);
for (i = 0; i < ev->num_hndl; i++) {
struct hci_comp_blocks_info *info = &ev->handles[i];
struct hci_conn *conn;
__u16 handle, block_count;
handle = __le16_to_cpu(info->handle);
block_count = __le16_to_cpu(info->blocks);
conn = hci_conn_hash_lookup_handle(hdev, handle);
if (!conn)
continue;
conn->sent -= block_count;
switch (conn->type) {
case ACL_LINK:
hdev->block_cnt += block_count;
if (hdev->block_cnt > hdev->num_blocks)
hdev->block_cnt = hdev->num_blocks;
break;
default:
BT_ERR("Unknown type %d conn %p", conn->type, conn);
break;
}
}
queue_work(hdev->workqueue, &hdev->tx_work);
}
static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_mode_change *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn) {
conn->mode = ev->mode;
conn->interval = __le16_to_cpu(ev->interval);
if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) {
if (conn->mode == HCI_CM_ACTIVE)
set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
else
clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
}
if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
hci_sco_setup(conn, ev->status);
}
hci_dev_unlock(hdev);
}
static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_pin_code_req *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (!conn)
goto unlock;
if (conn->state == BT_CONNECTED) {
hci_conn_hold(conn);
conn->disc_timeout = HCI_PAIRING_TIMEOUT;
hci_conn_put(conn);
}
if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
sizeof(ev->bdaddr), &ev->bdaddr);
else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
u8 secure;
if (conn->pending_sec_level == BT_SECURITY_HIGH)
secure = 1;
else
secure = 0;
mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_link_key_req *ev = (void *) skb->data;
struct hci_cp_link_key_reply cp;
struct hci_conn *conn;
struct link_key *key;
BT_DBG("%s", hdev->name);
if (!test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
return;
hci_dev_lock(hdev);
key = hci_find_link_key(hdev, &ev->bdaddr);
if (!key) {
BT_DBG("%s link key not found for %s", hdev->name,
batostr(&ev->bdaddr));
goto not_found;
}
BT_DBG("%s found key type %u for %s", hdev->name, key->type,
batostr(&ev->bdaddr));
if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
key->type == HCI_LK_DEBUG_COMBINATION) {
BT_DBG("%s ignoring debug key", hdev->name);
goto not_found;
}
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (conn) {
if (key->type == HCI_LK_UNAUTH_COMBINATION &&
conn->auth_type != 0xff &&
(conn->auth_type & 0x01)) {
BT_DBG("%s ignoring unauthenticated key", hdev->name);
goto not_found;
}
if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
conn->pending_sec_level == BT_SECURITY_HIGH) {
BT_DBG("%s ignoring key unauthenticated for high \
security", hdev->name);
goto not_found;
}
conn->key_type = key->type;
conn->pin_length = key->pin_len;
}
bacpy(&cp.bdaddr, &ev->bdaddr);
memcpy(cp.link_key, key->val, 16);
hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
hci_dev_unlock(hdev);
return;
not_found:
hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
hci_dev_unlock(hdev);
}
static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_link_key_notify *ev = (void *) skb->data;
struct hci_conn *conn;
u8 pin_len = 0;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (conn) {
hci_conn_hold(conn);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
pin_len = conn->pin_length;
if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
conn->key_type = ev->key_type;
hci_conn_put(conn);
}
if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
ev->key_type, pin_len);
hci_dev_unlock(hdev);
}
static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_clock_offset *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn && !ev->status) {
struct inquiry_entry *ie;
ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
if (ie) {
ie->data.clock_offset = ev->clock_offset;
ie->timestamp = jiffies;
}
}
hci_dev_unlock(hdev);
}
static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_pkt_type_change *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn && !ev->status)
conn->pkt_type = __le16_to_cpu(ev->pkt_type);
hci_dev_unlock(hdev);
}
static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
struct inquiry_entry *ie;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
if (ie) {
ie->data.pscan_rep_mode = ev->pscan_rep_mode;
ie->timestamp = jiffies;
}
hci_dev_unlock(hdev);
}
static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct inquiry_data data;
int num_rsp = *((__u8 *) skb->data);
bool name_known, ssp;
BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
if (!num_rsp)
return;
hci_dev_lock(hdev);
if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
struct inquiry_info_with_rssi_and_pscan_mode *info;
info = (void *) (skb->data + 1);
for (; num_rsp; num_rsp--, info++) {
bacpy(&data.bdaddr, &info->bdaddr);
data.pscan_rep_mode = info->pscan_rep_mode;
data.pscan_period_mode = info->pscan_period_mode;
data.pscan_mode = info->pscan_mode;
memcpy(data.dev_class, info->dev_class, 3);
data.clock_offset = info->clock_offset;
data.rssi = info->rssi;
data.ssp_mode = 0x00;
name_known = hci_inquiry_cache_update(hdev, &data,
false, &ssp);
mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
info->dev_class, info->rssi,
!name_known, ssp, NULL, 0);
}
} else {
struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
for (; num_rsp; num_rsp--, info++) {
bacpy(&data.bdaddr, &info->bdaddr);
data.pscan_rep_mode = info->pscan_rep_mode;
data.pscan_period_mode = info->pscan_period_mode;
data.pscan_mode = 0x00;
memcpy(data.dev_class, info->dev_class, 3);
data.clock_offset = info->clock_offset;
data.rssi = info->rssi;
data.ssp_mode = 0x00;
name_known = hci_inquiry_cache_update(hdev, &data,
false, &ssp);
mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
info->dev_class, info->rssi,
!name_known, ssp, NULL, 0);
}
}
hci_dev_unlock(hdev);
}
static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_remote_ext_features *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (!conn)
goto unlock;
if (!ev->status && ev->page == 0x01) {
struct inquiry_entry *ie;
ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
if (ie)
ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
if (ev->features[0] & LMP_HOST_SSP)
set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
}
if (conn->state != BT_CONFIG)
goto unlock;
if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
struct hci_cp_remote_name_req cp;
memset(&cp, 0, sizeof(cp));
bacpy(&cp.bdaddr, &conn->dst);
cp.pscan_rep_mode = 0x02;
hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
} else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
mgmt_device_connected(hdev, &conn->dst, conn->type,
conn->dst_type, 0, NULL, 0,
conn->dev_class);
if (!hci_outgoing_auth_needed(hdev, conn)) {
conn->state = BT_CONNECTED;
hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
if (!conn) {
if (ev->link_type == ESCO_LINK)
goto unlock;
conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
if (!conn)
goto unlock;
conn->type = SCO_LINK;
}
switch (ev->status) {
case 0x00:
conn->handle = __le16_to_cpu(ev->handle);
conn->state = BT_CONNECTED;
hci_conn_hold_device(conn);
hci_conn_add_sysfs(conn);
break;
case 0x10:
case 0x11:
case 0x1c:
case 0x1a:
case 0x1f:
if (conn->out && conn->attempt < 2) {
conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
(hdev->esco_type & EDR_ESCO_MASK);
hci_setup_sync(conn, conn->link->handle);
goto unlock;
}
default:
conn->state = BT_CLOSED;
break;
}
hci_proto_connect_cfm(conn, ev->status);
if (ev->status)
hci_conn_del(conn);
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
BT_DBG("%s", hdev->name);
}
static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_sniff_subrate *ev = (void *) skb->data;
BT_DBG("%s status %d", hdev->name, ev->status);
}
static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct inquiry_data data;
struct extended_inquiry_info *info = (void *) (skb->data + 1);
int num_rsp = *((__u8 *) skb->data);
BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
if (!num_rsp)
return;
hci_dev_lock(hdev);
for (; num_rsp; num_rsp--, info++) {
bool name_known, ssp;
bacpy(&data.bdaddr, &info->bdaddr);
data.pscan_rep_mode = info->pscan_rep_mode;
data.pscan_period_mode = info->pscan_period_mode;
data.pscan_mode = 0x00;
memcpy(data.dev_class, info->dev_class, 3);
data.clock_offset = info->clock_offset;
data.rssi = info->rssi;
data.ssp_mode = 0x01;
if (test_bit(HCI_MGMT, &hdev->dev_flags))
name_known = eir_has_data_type(info->data,
sizeof(info->data),
EIR_NAME_COMPLETE);
else
name_known = true;
name_known = hci_inquiry_cache_update(hdev, &data, name_known,
&ssp);
mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
info->dev_class, info->rssi, !name_known,
ssp, info->data, sizeof(info->data));
}
hci_dev_unlock(hdev);
}
static inline u8 hci_get_auth_req(struct hci_conn *conn)
{
if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
return 0x02;
else
return 0x03;
}
if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
return conn->remote_auth | (conn->auth_type & 0x01);
return conn->auth_type;
}
static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_io_capa_request *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (!conn)
goto unlock;
hci_conn_hold(conn);
if (!test_bit(HCI_MGMT, &hdev->dev_flags))
goto unlock;
if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
(conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
struct hci_cp_io_capability_reply cp;
bacpy(&cp.bdaddr, &ev->bdaddr);
cp.capability = (conn->io_capability == 0x04) ?
0x01 : conn->io_capability;
conn->auth_type = hci_get_auth_req(conn);
cp.authentication = conn->auth_type;
if ((conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)) &&
hci_find_remote_oob_data(hdev, &conn->dst))
cp.oob_data = 0x01;
else
cp.oob_data = 0x00;
hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
sizeof(cp), &cp);
} else {
struct hci_cp_io_capability_neg_reply cp;
bacpy(&cp.bdaddr, &ev->bdaddr);
cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
sizeof(cp), &cp);
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_io_capa_reply *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (!conn)
goto unlock;
conn->remote_cap = ev->capability;
conn->remote_auth = ev->authentication;
if (ev->oob_data)
set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_ev_user_confirm_req *ev = (void *) skb->data;
int loc_mitm, rem_mitm, confirm_hint = 0;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
if (!test_bit(HCI_MGMT, &hdev->dev_flags))
goto unlock;
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (!conn)
goto unlock;
loc_mitm = (conn->auth_type & 0x01);
rem_mitm = (conn->remote_auth & 0x01);
if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
BT_DBG("Rejecting request: remote device can't provide MITM");
hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
sizeof(ev->bdaddr), &ev->bdaddr);
goto unlock;
}
if ((!loc_mitm || conn->remote_cap == 0x03) &&
(!rem_mitm || conn->io_capability == 0x03)) {
if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
BT_DBG("Confirming auto-accept as acceptor");
confirm_hint = 1;
goto confirm;
}
BT_DBG("Auto-accept of user confirmation with %ums delay",
hdev->auto_accept_delay);
if (hdev->auto_accept_delay > 0) {
int delay = msecs_to_jiffies(hdev->auto_accept_delay);
mod_timer(&conn->auto_accept_timer, jiffies + delay);
goto unlock;
}
hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
sizeof(ev->bdaddr), &ev->bdaddr);
goto unlock;
}
confirm:
mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
confirm_hint);
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_user_passkey_request_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_ev_user_passkey_req *ev = (void *) skb->data;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
hci_dev_unlock(hdev);
}
static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (!conn)
goto unlock;
if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status != 0)
mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
ev->status);
hci_conn_put(conn);
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_remote_host_features *ev = (void *) skb->data;
struct inquiry_entry *ie;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
if (ie)
ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
hci_dev_unlock(hdev);
}
static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
struct oob_data *data;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
if (!test_bit(HCI_MGMT, &hdev->dev_flags))
goto unlock;
data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
if (data) {
struct hci_cp_remote_oob_data_reply cp;
bacpy(&cp.bdaddr, &ev->bdaddr);
memcpy(cp.hash, data->hash, sizeof(cp.hash));
memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
&cp);
} else {
struct hci_cp_remote_oob_data_neg_reply cp;
bacpy(&cp.bdaddr, &ev->bdaddr);
hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
&cp);
}
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_le_conn_complete *ev = (void *) skb->data;
struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &ev->bdaddr);
if (!conn) {
conn = hci_conn_add(hdev, LE_LINK, 0, &ev->bdaddr);
if (!conn) {
BT_ERR("No memory for new connection");
hci_dev_unlock(hdev);
return;
}
conn->dst_type = ev->bdaddr_type;
}
if (ev->status) {
mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
conn->dst_type, ev->status);
hci_proto_connect_cfm(conn, ev->status);
conn->state = BT_CLOSED;
hci_conn_del(conn);
goto unlock;
}
if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
conn->dst_type, 0, NULL, 0, NULL);
conn->sec_level = BT_SECURITY_LOW;
conn->handle = __le16_to_cpu(ev->handle);
conn->state = BT_CONNECTED;
hci_conn_hold_device(conn);
hci_conn_add_sysfs(conn);
hci_proto_connect_cfm(conn, ev->status);
unlock:
hci_dev_unlock(hdev);
}
static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
u8 num_reports = skb->data[0];
void *ptr = &skb->data[1];
s8 rssi;
hci_dev_lock(hdev);
while (num_reports--) {
struct hci_ev_le_advertising_info *ev = ptr;
hci_add_adv_entry(hdev, ev);
rssi = ev->data[ev->length];
mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
NULL, rssi, 0, 1, ev->data, ev->length);
ptr += sizeof(*ev) + ev->length + 1;
}
hci_dev_unlock(hdev);
}
static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_ev_le_ltk_req *ev = (void *) skb->data;
struct hci_cp_le_ltk_reply cp;
struct hci_cp_le_ltk_neg_reply neg;
struct hci_conn *conn;
struct smp_ltk *ltk;
BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle));
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn == NULL)
goto not_found;
ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
if (ltk == NULL)
goto not_found;
memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
cp.handle = cpu_to_le16(conn->handle);
if (ltk->authenticated)
conn->pending_sec_level = BT_SECURITY_HIGH;
else
conn->pending_sec_level = BT_SECURITY_MEDIUM;
conn->enc_key_size = ltk->enc_size;
hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
if (ltk->type & HCI_SMP_STK) {
list_del(<k->list);
kfree(ltk);
}
hci_dev_unlock(hdev);
return;
not_found:
neg.handle = ev->handle;
hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
hci_dev_unlock(hdev);
}
static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_le_meta *le_ev = (void *) skb->data;
skb_pull(skb, sizeof(*le_ev));
switch (le_ev->subevent) {
case HCI_EV_LE_CONN_COMPLETE:
hci_le_conn_complete_evt(hdev, skb);
break;
case HCI_EV_LE_ADVERTISING_REPORT:
hci_le_adv_report_evt(hdev, skb);
break;
case HCI_EV_LE_LTK_REQ:
hci_le_ltk_request_evt(hdev, skb);
break;
default:
break;
}
}
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_event_hdr *hdr = (void *) skb->data;
__u8 event = hdr->evt;
skb_pull(skb, HCI_EVENT_HDR_SIZE);
switch (event) {
case HCI_EV_INQUIRY_COMPLETE:
hci_inquiry_complete_evt(hdev, skb);
break;
case HCI_EV_INQUIRY_RESULT:
hci_inquiry_result_evt(hdev, skb);
break;
case HCI_EV_CONN_COMPLETE:
hci_conn_complete_evt(hdev, skb);
break;
case HCI_EV_CONN_REQUEST:
hci_conn_request_evt(hdev, skb);
break;
case HCI_EV_DISCONN_COMPLETE:
hci_disconn_complete_evt(hdev, skb);
break;
case HCI_EV_AUTH_COMPLETE:
hci_auth_complete_evt(hdev, skb);
break;
case HCI_EV_REMOTE_NAME:
hci_remote_name_evt(hdev, skb);
break;
case HCI_EV_ENCRYPT_CHANGE:
hci_encrypt_change_evt(hdev, skb);
break;
case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
hci_change_link_key_complete_evt(hdev, skb);
break;
case HCI_EV_REMOTE_FEATURES:
hci_remote_features_evt(hdev, skb);
break;
case HCI_EV_REMOTE_VERSION:
hci_remote_version_evt(hdev, skb);
break;
case HCI_EV_QOS_SETUP_COMPLETE:
hci_qos_setup_complete_evt(hdev, skb);
break;
case HCI_EV_CMD_COMPLETE:
hci_cmd_complete_evt(hdev, skb);
break;
case HCI_EV_CMD_STATUS:
hci_cmd_status_evt(hdev, skb);
break;
case HCI_EV_ROLE_CHANGE:
hci_role_change_evt(hdev, skb);
break;
case HCI_EV_NUM_COMP_PKTS:
hci_num_comp_pkts_evt(hdev, skb);
break;
case HCI_EV_MODE_CHANGE:
hci_mode_change_evt(hdev, skb);
break;
case HCI_EV_PIN_CODE_REQ:
hci_pin_code_request_evt(hdev, skb);
break;
case HCI_EV_LINK_KEY_REQ:
hci_link_key_request_evt(hdev, skb);
break;
case HCI_EV_LINK_KEY_NOTIFY:
hci_link_key_notify_evt(hdev, skb);
break;
case HCI_EV_CLOCK_OFFSET:
hci_clock_offset_evt(hdev, skb);
break;
case HCI_EV_PKT_TYPE_CHANGE:
hci_pkt_type_change_evt(hdev, skb);
break;
case HCI_EV_PSCAN_REP_MODE:
hci_pscan_rep_mode_evt(hdev, skb);
break;
case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
hci_inquiry_result_with_rssi_evt(hdev, skb);
break;
case HCI_EV_REMOTE_EXT_FEATURES:
hci_remote_ext_features_evt(hdev, skb);
break;
case HCI_EV_SYNC_CONN_COMPLETE:
hci_sync_conn_complete_evt(hdev, skb);
break;
case HCI_EV_SYNC_CONN_CHANGED:
hci_sync_conn_changed_evt(hdev, skb);
break;
case HCI_EV_SNIFF_SUBRATE:
hci_sniff_subrate_evt(hdev, skb);
break;
case HCI_EV_EXTENDED_INQUIRY_RESULT:
hci_extended_inquiry_result_evt(hdev, skb);
break;
case HCI_EV_IO_CAPA_REQUEST:
hci_io_capa_request_evt(hdev, skb);
break;
case HCI_EV_IO_CAPA_REPLY:
hci_io_capa_reply_evt(hdev, skb);
break;
case HCI_EV_USER_CONFIRM_REQUEST:
hci_user_confirm_request_evt(hdev, skb);
break;
case HCI_EV_USER_PASSKEY_REQUEST:
hci_user_passkey_request_evt(hdev, skb);
break;
case HCI_EV_SIMPLE_PAIR_COMPLETE:
hci_simple_pair_complete_evt(hdev, skb);
break;
case HCI_EV_REMOTE_HOST_FEATURES:
hci_remote_host_features_evt(hdev, skb);
break;
case HCI_EV_LE_META:
hci_le_meta_evt(hdev, skb);
break;
case HCI_EV_REMOTE_OOB_DATA_REQUEST:
hci_remote_oob_data_request_evt(hdev, skb);
break;
case HCI_EV_NUM_COMP_BLOCKS:
hci_num_comp_blocks_evt(hdev, skb);
break;
default:
BT_DBG("%s event 0x%x", hdev->name, event);
break;
}
kfree_skb(skb);
hdev->stat.evt_rx++;
}
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