1 files changed, 81 insertions, 0 deletions
diff --git a/src/libnm-client-impl/nm-device-loopback.c b/src/libnm-client-impl/nm-device-loopback.c
new file mode 100644
index 00000000..9163f38d
--- /dev/null
+++ b/src/libnm-client-impl/nm-device-loopback.c
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2022 Red Hat, Inc.
+ */
+
+#include "libnm-client-impl/nm-default-libnm.h"
+
+#include "nm-device-loopback.h"
+
+#include "nm-object-private.h"
+#include "nm-setting-loopback.h"
+#include "nm-setting-connection.h"
+
+/*****************************************************************************/
+
+struct _NMDeviceLoopback {
+    NMDevice parent;
+};
+
+struct _NMDeviceLoopbackClass {
+    NMDeviceClass parent;
+};
+
+G_DEFINE_TYPE(NMDeviceLoopback, nm_device_loopback, NM_TYPE_DEVICE)
+
+/*****************************************************************************/
+
+static gboolean
+connection_compatible(NMDevice *device, NMConnection *connection, GError **error)
+{
+    const char *iface_name;
+
+    if (!NM_DEVICE_CLASS(nm_device_loopback_parent_class)
+             ->connection_compatible(device, connection, error))
+        return FALSE;
+
+    if (!nm_connection_is_type(connection, NM_SETTING_LOOPBACK_SETTING_NAME)) {
+        g_set_error_literal(error,
+                            NM_DEVICE_ERROR,
+                            NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
+                            _("The connection was not a loopback connection."));
+        return FALSE;
+    }
+
+    iface_name = nm_connection_get_interface_name(connection);
+    if (!iface_name) {
+        g_set_error_literal(error,
+                            NM_DEVICE_ERROR,
+                            NM_DEVICE_ERROR_INVALID_CONNECTION,
+                            _("The connection did not specify an interface name."));
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static GType
+get_setting_type(NMDevice *device)
+{
+    return NM_TYPE_SETTING_LOOPBACK;
+}
+
+/*****************************************************************************/
+
+static void
+nm_device_loopback_init(NMDeviceLoopback *device)
+{}
+
+const NMLDBusMetaIface _nml_dbus_meta_iface_nm_device_loopback =
+    NML_DBUS_META_IFACE_INIT(NM_DBUS_INTERFACE_DEVICE_LOOPBACK,
+                             nm_device_loopback_get_type,
+                             NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_30, );
+
+static void
+nm_device_loopback_class_init(NMDeviceLoopbackClass *loopback_class)
+{
+    NMDeviceClass *device_class = NM_DEVICE_CLASS(loopback_class);
+
+    device_class->connection_compatible = connection_compatible;
+    device_class->get_setting_type      = get_setting_type;
+}