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Bluetooth: Add support for Set Privacy command

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This patch adds support for handling the Set Privacy mgmt command,
including copying the value to hdev->irk and toggling the HCI_PRIVACY
flag.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-02-23 19:42:27 +02:00 committed by Marcel Holtmann
parent c982b2ea29
commit 62b04cd124
1 changed files with 47 additions and 1 deletions
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48
net/bluetooth/mgmt.c
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@ -81,6 +81,7 @@ static const u16 mgmt_commands[] = {
MGMT_OP_SET_SCAN_PARAMS,
MGMT_OP_SET_SECURE_CONN,
MGMT_OP_SET_DEBUG_KEYS,
MGMT_OP_SET_PRIVACY,
MGMT_OP_LOAD_IRKS,
};
@ -4227,6 +4228,51 @@ unlock:
return err;
}
static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
u16 len)
{
struct mgmt_cp_set_privacy *cp = cp_data;
bool changed;
int err;
BT_DBG("request for %s", hdev->name);
if (!lmp_le_capable(hdev))
return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
MGMT_STATUS_NOT_SUPPORTED);
if (cp->privacy != 0x00 && cp->privacy != 0x01)
return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
MGMT_STATUS_INVALID_PARAMS);
if (hdev_is_powered(hdev))
return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
MGMT_STATUS_REJECTED);
hci_dev_lock(hdev);
if (cp->privacy) {
changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
} else {
changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
memset(hdev->irk, 0, sizeof(hdev->irk));
clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
}
err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
if (err < 0)
goto unlock;
if (changed)
err = new_settings(hdev, sk);
unlock:
hci_dev_unlock(hdev);
return err;
}
static bool irk_is_valid(struct mgmt_irk_info *irk)
{
switch (irk->addr.type) {
@ -4441,7 +4487,7 @@ static const struct mgmt_handler {
{ set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
{ set_secure_conn, false, MGMT_SETTING_SIZE },
{ set_debug_keys, false, MGMT_SETTING_SIZE },
{ },
{ set_privacy, false, MGMT_SET_PRIVACY_SIZE },
{ load_irks, true, MGMT_LOAD_IRKS_SIZE },
};