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Bluetooth: mgmt: Add support for Set SSP command

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The Set SSP mgmt command can be used for enabling and disabling Secure
Simple Pairing support for controllers that support it.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2012-02-17 00:56:28 +02:00
parent 33ef95ed30
commit ed2c4ee360
3 changed files with 91 additions and 1 deletions
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1
include/net/bluetooth/hci_core.h
View File

@ -995,6 +995,7 @@ int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
u8 addr_type, u8 status);
int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 status);
int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
u8 *randomizer, u8 status);

6
net/bluetooth/hci_event.c
View File

@ -447,7 +447,7 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%x", hdev->name, status);
if (status)
return;
goto done;
sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
if (!sent)
@ -457,6 +457,10 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
else
clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
done:
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_ssp_enable_complete(hdev, status);
}
static u8 hci_get_inquiry_mode(struct hci_dev *hdev)

85
net/bluetooth/mgmt.c
View File

@ -1023,6 +1023,64 @@ failed:
return err;
}
static int set_ssp(struct sock *sk, u16 index, void *data, u16 len)
{
struct mgmt_mode *cp = data;
struct pending_cmd *cmd;
struct hci_dev *hdev;
uint8_t val;
int err;
BT_DBG("request for hci%u", index);
if (len != sizeof(*cp))
return cmd_status(sk, index, MGMT_OP_SET_SSP,
MGMT_STATUS_INVALID_PARAMS);
hdev = hci_dev_get(index);
if (!hdev)
return cmd_status(sk, index, MGMT_OP_SET_SSP,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
if (!test_bit(HCI_UP, &hdev->flags)) {
err = cmd_status(sk, index, MGMT_OP_SET_SSP,
MGMT_STATUS_NOT_POWERED);
goto failed;
}
if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev)) {
err = cmd_status(sk, index, MGMT_OP_SET_SSP, MGMT_STATUS_BUSY);
goto failed;
}
val = !!cp->val;
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) == val) {
err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
goto failed;
}
cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
if (!cmd) {
err = -ENOMEM;
goto failed;
}
err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(val), &val);
if (err < 0) {
mgmt_pending_remove(cmd);
goto failed;
}
failed:
hci_dev_unlock(hdev);
hci_dev_put(hdev);
return err;
}
static int add_uuid(struct sock *sk, u16 index, void *data, u16 len)
{
struct mgmt_cp_add_uuid *cp = data;
@ -2505,6 +2563,9 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
case MGMT_OP_SET_LINK_SECURITY:
err = set_link_security(sk, index, cp, len);
break;
case MGMT_OP_SET_SSP:
err = set_ssp(sk, index, cp, len);
break;
case MGMT_OP_ADD_UUID:
err = add_uuid(sk, index, cp, len);
break;
@ -3052,6 +3113,30 @@ int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
return err;
}
int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 status)
{
struct cmd_lookup match = { NULL, hdev };
__le32 ev;
int err;
if (status) {
u8 mgmt_err = mgmt_status(status);
mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev,
cmd_status_rsp, &mgmt_err);
return 0;
}
mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
ev = cpu_to_le32(get_current_settings(hdev));
err = mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), match.sk);
if (match.sk)
sock_put(match.sk);
return err;
}
int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
{
struct pending_cmd *cmd;