Bluetooth: Add new auto_conn value matching mgmt action 0x00

The 0x00 action value of mgmt means "scan and report" but do not
connect. This is different from HCI_AUTO_CONN_DISABLED so we need a new
value for it.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/hci_core.h

@@ -449,6 +449,7 @@ struct hci_conn_params {
 
 	enum {
 		HCI_AUTO_CONN_DISABLED,
+		HCI_AUTO_CONN_REPORT,
 		HCI_AUTO_CONN_ALWAYS,
 		HCI_AUTO_CONN_LINK_LOSS,
 	} auto_connect;

net/bluetooth/hci_core.c

@@ -3547,6 +3547,7 @@ int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type,
 
 	switch (auto_connect) {
 	case HCI_AUTO_CONN_DISABLED:
+	case HCI_AUTO_CONN_REPORT:
 	case HCI_AUTO_CONN_LINK_LOSS:
 		hci_pend_le_conn_del(hdev, addr, addr_type);
 		break;

net/bluetooth/mgmt.c

@@ -5034,7 +5034,7 @@ static int add_device(struct sock *sk, struct hci_dev *hdev,
 	if (cp->action)
 		auto_conn = HCI_AUTO_CONN_ALWAYS;
 	else
-		auto_conn = HCI_AUTO_CONN_DISABLED;
+		auto_conn = HCI_AUTO_CONN_REPORT;
 
 	/* If the connection parameters don't exist for this device,
 	 * they will be created and configured with defaults.