// SPDX-License-Identifier: GPL-2.0+

/*

 * Copyright (C) 2011 - 2012 Red Hat, Inc.

 */

#include "nm-default.h"

#include "nm-device-vlan.h"

#include <sys/socket.h>

#include "nm-manager.h"

#include "nm-utils.h"

#include "NetworkManagerUtils.h"

#include "nm-device-private.h"

#include "settings/nm-settings.h"

#include "nm-act-request.h"

#include "nm-ip4-config.h"

#include "platform/nm-platform.h"

#include "nm-device-factory.h"

#include "nm-manager.h"

#include "nm-core-internal.h"

#include "platform/nmp-object.h"

#include "nm-device-logging.h"

_LOG_DECLARE_SELF(NMDeviceVlan);

/*****************************************************************************/

NM_GOBJECT_PROPERTIES_DEFINE (NMDeviceVlan,

	PROP_VLAN_ID,

);

typedef struct {

	gulong parent_state_id;

	gulong parent_hwaddr_id;

	gulong parent_mtu_id;

	guint vlan_id;

} NMDeviceVlanPrivate;

struct _NMDeviceVlan {

	NMDevice parent;

	NMDeviceVlanPrivate _priv;

};

struct _NMDeviceVlanClass {

	NMDeviceClass parent;

};

G_DEFINE_TYPE (NMDeviceVlan, nm_device_vlan, NM_TYPE_DEVICE)

#define NM_DEVICE_VLAN_GET_PRIVATE(self) _NM_GET_PRIVATE (self, NMDeviceVlan, NM_IS_DEVICE_VLAN, NMDevice)

/*****************************************************************************/

static void

parent_state_changed (NMDevice *parent,

                      NMDeviceState new_state,

                      NMDeviceState old_state,

                      NMDeviceStateReason reason,

                      gpointer user_data)

{

	NMDeviceVlan *self = NM_DEVICE_VLAN (user_data);

	/* We'll react to our own carrier state notifications. Ignore the parent's. */

	if (nm_device_state_reason_check (reason) == NM_DEVICE_STATE_REASON_CARRIER)

		return;

	nm_device_set_unmanaged_by_flags (NM_DEVICE (self), NM_UNMANAGED_PARENT, !nm_device_get_managed (parent, FALSE), reason);

}

static void

parent_mtu_maybe_changed (NMDevice *parent,

                          GParamSpec *pspec,

                          gpointer user_data)

{

	/* the MTU of a VLAN device is limited by the parent's MTU.

	 *

	 * When the parent's MTU changes, try to re-set the MTU. */

	nm_device_commit_mtu (user_data);

}

static void

parent_hwaddr_maybe_changed (NMDevice *parent,

                             GParamSpec *pspec,

                             gpointer user_data)

{

	NMDevice *device = NM_DEVICE (user_data);

	NMDeviceVlan *self = NM_DEVICE_VLAN (device);

	NMConnection *connection;

	const char *new_mac, *old_mac;

	NMSettingIPConfig *s_ip6;

	/* Never touch assumed devices */

	if (nm_device_sys_iface_state_is_external_or_assume (device))

		return;

	connection = nm_device_get_applied_connection (device);

	if (!connection)

		return;

	/* Update the VLAN MAC only if configuration does not specify one */

	if (nm_device_hw_addr_is_explict (device))

		return;

	old_mac = nm_device_get_hw_address (device);

	new_mac = nm_device_get_hw_address (parent);

	if (nm_streq0 (old_mac, new_mac))

		return;

	_LOGD (LOGD_VLAN, "parent hardware address changed to %s%s%s",

	       NM_PRINT_FMT_QUOTE_STRING (new_mac));

	if (new_mac) {

		nm_device_hw_addr_set (device, new_mac, "vlan-parent", TRUE);

		nm_device_arp_announce (device);

		/* When changing the hw address the interface is taken down,

		 * removing the IPv6 configuration; reapply it.

		 */

		s_ip6 = nm_connection_get_setting_ip6_config (connection);

		if (s_ip6)

			nm_device_reactivate_ip6_config (device, s_ip6, s_ip6);

	}

}

static void

parent_changed_notify (NMDevice *device,

                       int old_ifindex,

                       NMDevice *old_parent,

                       int new_ifindex,

                       NMDevice *new_parent)

{

	NMDeviceVlan *self = NM_DEVICE_VLAN (device);

	NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self);

	NM_DEVICE_CLASS (nm_device_vlan_parent_class)->parent_changed_notify (device, old_ifindex, old_parent, new_ifindex, new_parent);

	/*  note that @self doesn't have to clear @parent_state_id on dispose,

	 *  because NMDevice's dispose() will unset the parent, which in turn calls

	 *  parent_changed_notify(). */

	nm_clear_g_signal_handler (old_parent, &priv->parent_state_id);

	nm_clear_g_signal_handler (old_parent, &priv->parent_hwaddr_id);

	nm_clear_g_signal_handler (old_parent, &priv->parent_mtu_id);

	if (new_parent) {

		priv->parent_state_id = g_signal_connect (new_parent,

		                                          NM_DEVICE_STATE_CHANGED,

		                                          G_CALLBACK (parent_state_changed),

		                                          device);

		priv->parent_hwaddr_id = g_signal_connect (new_parent, "notify::" NM_DEVICE_HW_ADDRESS,

		                                           G_CALLBACK (parent_hwaddr_maybe_changed), device);

		parent_hwaddr_maybe_changed (new_parent, NULL, self);

		priv->parent_mtu_id = g_signal_connect (new_parent, "notify::" NM_DEVICE_MTU,

		                                        G_CALLBACK (parent_mtu_maybe_changed), device);

		parent_mtu_maybe_changed (new_parent, NULL, self);

		/* Set parent-dependent unmanaged flag */

		nm_device_set_unmanaged_by_flags (device,

		                                  NM_UNMANAGED_PARENT,

		                                  !nm_device_get_managed (new_parent, FALSE),

		                                  NM_DEVICE_STATE_REASON_PARENT_MANAGED_CHANGED);

	}

	/* Recheck availability now that the parent has changed */

	if (new_ifindex > 0) {

		nm_device_queue_recheck_available (device,

		                                   NM_DEVICE_STATE_REASON_PARENT_CHANGED,

		                                   NM_DEVICE_STATE_REASON_PARENT_CHANGED);

	}

}

static void

update_properties (NMDevice *device)

{

	NMDeviceVlanPrivate *priv;

	const NMPlatformLink *plink = NULL;

	const NMPlatformLnkVlan *plnk = NULL;

	int ifindex;

	int parent_ifindex = 0;

	guint vlan_id;

	g_return_if_fail (NM_IS_DEVICE_VLAN (device));

	priv = NM_DEVICE_VLAN_GET_PRIVATE (device);

	ifindex = nm_device_get_ifindex (device);

	if (ifindex > 0)

		plnk = nm_platform_link_get_lnk_vlan (nm_device_get_platform (device), ifindex, &plink);

	if (   plnk

	    && plink->parent > 0)

		parent_ifindex = plink->parent;

	g_object_freeze_notify ((GObject *) device);

	nm_device_parent_set_ifindex (device, parent_ifindex);

	vlan_id = plnk ? plnk->id : 0;

	if (vlan_id != priv->vlan_id) {

		priv->vlan_id = vlan_id;

		_notify ((NMDeviceVlan *) device, PROP_VLAN_ID);

	}

	g_object_thaw_notify ((GObject *) device);

}

static void

link_changed (NMDevice *device,

              const NMPlatformLink *pllink)

{

	NM_DEVICE_CLASS (nm_device_vlan_parent_class)->link_changed (device, pllink);

	update_properties (device);

}

static gboolean

create_and_realize (NMDevice *device,

                    NMConnection *connection,

                    NMDevice *parent,

                    const NMPlatformLink **out_plink,

                    GError **error)

{

	NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (device);

	const char *iface = nm_device_get_iface (device);

	NMSettingVlan *s_vlan;

	int parent_ifindex;

	guint vlan_id;

	int r;

	s_vlan = nm_connection_get_setting_vlan (connection);

	g_assert (s_vlan);

	if (!parent) {

		g_set_error (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_MISSING_DEPENDENCIES,

		             "VLAN devices can not be created without a parent interface");

		return FALSE;

	}

	parent_ifindex = nm_device_get_ifindex (parent);

	if (parent_ifindex <= 0) {

		g_set_error (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_MISSING_DEPENDENCIES,

		             "cannot retrieve ifindex of interface %s (%s)",

		             nm_device_get_iface (parent),

		             nm_device_get_type_desc (parent));

		return FALSE;

	}

	if (!nm_device_supports_vlans (parent)) {

		g_set_error (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,

		             "no support for VLANs on interface %s of type %s",

		             nm_device_get_iface (parent),

		             nm_device_get_type_desc (parent));

		return FALSE;

	}

	vlan_id = nm_setting_vlan_get_id (s_vlan);

	r = nm_platform_link_vlan_add (nm_device_get_platform (device),

	                               iface,

	                               parent_ifindex,

	                               vlan_id,

	                               nm_setting_vlan_get_flags (s_vlan),

	                               out_plink);

	if (r < 0) {

		g_set_error (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_CREATION_FAILED,

		             "Failed to create VLAN interface '%s' for '%s': %s",

		             iface,

		             nm_connection_get_id (connection),

		             nm_strerror (r));

		return FALSE;

	}

	nm_device_parent_set_ifindex (device, parent_ifindex);

	if (vlan_id != priv->vlan_id) {

		priv->vlan_id = vlan_id;

		_notify ((NMDeviceVlan *) device, PROP_VLAN_ID);

	}

	return TRUE;

}

static void

unrealize_notify (NMDevice *device)

{

	NMDeviceVlan *self = NM_DEVICE_VLAN (device);

	NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self);

	NM_DEVICE_CLASS (nm_device_vlan_parent_class)->unrealize_notify (device);

	if (priv->vlan_id != 0) {

		priv->vlan_id = 0;

		_notify (self, PROP_VLAN_ID);

	}

}

/*****************************************************************************/

static NMDeviceCapabilities

get_generic_capabilities (NMDevice *device)

{

	/* We assume VLAN interfaces always support carrier detect */

	return NM_DEVICE_CAP_CARRIER_DETECT | NM_DEVICE_CAP_IS_SOFTWARE;

}

/*****************************************************************************/

static gboolean

is_available (NMDevice *device, NMDeviceCheckDevAvailableFlags flags)

{

	if (!nm_device_parent_get_device (device))

		return FALSE;

	return NM_DEVICE_CLASS (nm_device_vlan_parent_class)->is_available (device, flags);

}

/*****************************************************************************/

static gboolean

check_connection_compatible (NMDevice *device, NMConnection *connection, GError **error)

{

	NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (device);

	NMSettingVlan *s_vlan;

	const char *parent;

	if (!NM_DEVICE_CLASS (nm_device_vlan_parent_class)->check_connection_compatible (device, connection, error))

		return FALSE;

	if (nm_device_is_real (device)) {

		s_vlan = nm_connection_get_setting_vlan (connection);

		if (nm_setting_vlan_get_id (s_vlan) != priv->vlan_id) {

			nm_utils_error_set_literal (error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY,

			                            "vlan id setting mismatches");

			return FALSE;

		}

		/* Check parent interface; could be an interface name or a UUID */

		parent = nm_setting_vlan_get_parent (s_vlan);

		if (parent) {

			if (!nm_device_match_parent (device, parent)) {

				nm_utils_error_set_literal (error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY,

				                            "vlan parent setting differs");

				return FALSE;

			}

		} else {

			/* Parent could be a MAC address in an NMSettingWired */

			if (!nm_device_match_parent_hwaddr (device, connection, TRUE)) {

				nm_utils_error_set_literal (error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY,

				                            "vlan parent mac setting differs");

				return FALSE;

			}

		}

	}

	return TRUE;

}

static gboolean

check_connection_available (NMDevice *device,

                            NMConnection *connection,

                            NMDeviceCheckConAvailableFlags flags,

                            const char *specific_object,

                            GError **error)

{

	if (!nm_device_is_real (device))

		return TRUE;

	return NM_DEVICE_CLASS (nm_device_vlan_parent_class)->check_connection_available (device, connection, flags, specific_object, error);

}

static gboolean

complete_connection (NMDevice *device,

                     NMConnection *connection,

                     const char *specific_object,

                     NMConnection *const*existing_connections,

                     GError **error)

{

	NMSettingVlan *s_vlan;

	nm_utils_complete_generic (nm_device_get_platform (device),

	                           connection,

	                           NM_SETTING_VLAN_SETTING_NAME,

	                           existing_connections,

	                           NULL,

	                           _("VLAN connection"),

	                           NULL,

	                           NULL,

	                           TRUE);

	s_vlan = nm_connection_get_setting_vlan (connection);

	if (!s_vlan) {

		g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INVALID_CONNECTION,

		                     "A 'vlan' setting is required.");

		return FALSE;

	}

	/* If there's no VLAN interface, no parent, and no hardware address in the

	 * settings, then there's not enough information to complete the setting.

	 */

	if (   !nm_setting_vlan_get_parent (s_vlan)

	    && !nm_device_match_parent_hwaddr (device, connection, TRUE)) {

		g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INVALID_CONNECTION,

		                     "The 'vlan' setting had no interface name, parent, or hardware address.");

		return FALSE;

	}

	return TRUE;

}

static void

update_connection (NMDevice *device, NMConnection *connection)

{

	NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (device);

	NMSettingVlan *s_vlan = nm_connection_get_setting_vlan (connection);

	int ifindex = nm_device_get_ifindex (device);

	const NMPlatformLink *plink;

	const NMPObject *polnk;

	guint vlan_id;

	guint vlan_flags;

	if (!s_vlan) {

		s_vlan = (NMSettingVlan *) nm_setting_vlan_new ();

		nm_connection_add_setting (connection, (NMSetting *) s_vlan);

	}

	polnk = nm_platform_link_get_lnk (nm_device_get_platform (device), ifindex, NM_LINK_TYPE_VLAN, &plink);

	if (polnk)

		vlan_id = polnk->lnk_vlan.id;

	else

		vlan_id = priv->vlan_id;

	if (vlan_id != nm_setting_vlan_get_id (s_vlan))

		g_object_set (s_vlan, NM_SETTING_VLAN_ID, vlan_id, NULL);

	g_object_set (s_vlan,

	              NM_SETTING_VLAN_PARENT,

	              nm_device_parent_find_for_connection (device,

	                                                    nm_setting_vlan_get_parent (s_vlan)),

	              NULL);

	if (polnk)

		vlan_flags = polnk->lnk_vlan.flags;

	else

		vlan_flags = NM_VLAN_FLAG_REORDER_HEADERS;

	if (vlan_flags != nm_setting_vlan_get_flags (s_vlan))

		g_object_set (s_vlan, NM_SETTING_VLAN_FLAGS, (NMVlanFlags) vlan_flags, NULL);

	if (polnk) {

		_nm_setting_vlan_set_priorities (s_vlan, NM_VLAN_INGRESS_MAP,

		                                 polnk->_lnk_vlan.ingress_qos_map,

		                                 polnk->_lnk_vlan.n_ingress_qos_map);

		_nm_setting_vlan_set_priorities (s_vlan, NM_VLAN_EGRESS_MAP,

		                                 polnk->_lnk_vlan.egress_qos_map,

		                                 polnk->_lnk_vlan.n_egress_qos_map);

	} else {

		_nm_setting_vlan_set_priorities (s_vlan, NM_VLAN_INGRESS_MAP, NULL, 0);

		_nm_setting_vlan_set_priorities (s_vlan, NM_VLAN_EGRESS_MAP, NULL, 0);

	}

}

static NMActStageReturn

act_stage1_prepare (NMDevice *device, NMDeviceStateReason *out_failure_reason)

{

	NMDevice *parent_device;

	NMSettingVlan *s_vlan;

	/* Change MAC address to parent's one if needed */

	parent_device = nm_device_parent_get_device (device);

	if (parent_device) {

		parent_hwaddr_maybe_changed (parent_device, NULL, device);

		parent_mtu_maybe_changed (parent_device, NULL, device);

	}

	s_vlan = nm_device_get_applied_setting (device, NM_TYPE_SETTING_VLAN);

	if (s_vlan) {

		gs_free NMVlanQosMapping *ingress_map = NULL;

		gs_free NMVlanQosMapping *egress_map = NULL;

		guint n_ingress_map = 0;

		guint n_egress_map = 0;

		_nm_setting_vlan_get_priorities (s_vlan,

		                                 NM_VLAN_INGRESS_MAP,

		                                 &ingress_map,

		                                 &n_ingress_map);

		_nm_setting_vlan_get_priorities (s_vlan,

		                                 NM_VLAN_EGRESS_MAP,

		                                 &egress_map,

		                                 &n_egress_map);

		nm_platform_link_vlan_change (nm_device_get_platform (device),

		                              nm_device_get_ifindex (device),

		                              NM_VLAN_FLAGS_ALL,

		                              nm_setting_vlan_get_flags (s_vlan),

		                              TRUE,

		                              ingress_map,

		                              n_ingress_map,

		                              TRUE,

		                              egress_map,

		                              n_egress_map);

	}

	return NM_ACT_STAGE_RETURN_SUCCESS;

}

/*****************************************************************************/

static void

get_property (GObject *object, guint prop_id,

              GValue *value, GParamSpec *pspec)

{

	NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (object);

	switch (prop_id) {

	case PROP_VLAN_ID:

		g_value_set_uint (value, priv->vlan_id);

		break;

	default:

		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

		break;

	}

}

/*****************************************************************************/

static void

nm_device_vlan_init (NMDeviceVlan * self)

{

}

static const NMDBusInterfaceInfoExtended interface_info_device_vlan = {

	.parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT (

		NM_DBUS_INTERFACE_DEVICE_VLAN,

		.signals = NM_DEFINE_GDBUS_SIGNAL_INFOS (

			&nm_signal_info_property_changed_legacy,

		),

		.properties = NM_DEFINE_GDBUS_PROPERTY_INFOS (

			NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("HwAddress", "s", NM_DEVICE_HW_ADDRESS),

			NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Carrier",   "b", NM_DEVICE_CARRIER),

			NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("Parent",    "o", NM_DEVICE_PARENT),

			NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L ("VlanId",    "u", NM_DEVICE_VLAN_ID),

		),

	),

	.legacy_property_changed = TRUE,

};

static void

nm_device_vlan_class_init (NMDeviceVlanClass *klass)

{

	GObjectClass *object_class = G_OBJECT_CLASS (klass);

	NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS (klass);

	NMDeviceClass *device_class = NM_DEVICE_CLASS (klass);

	object_class->get_property = get_property;

	dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS (&interface_info_device_vlan);

	device_class->connection_type_supported = NM_SETTING_VLAN_SETTING_NAME;

	device_class->connection_type_check_compatible = NM_SETTING_VLAN_SETTING_NAME;

	device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES (NM_LINK_TYPE_VLAN);

	device_class->mtu_parent_delta = 0; /* VLANs can have the same MTU of parent */

	device_class->create_and_realize = create_and_realize;

	device_class->link_changed = link_changed;

	device_class->unrealize_notify = unrealize_notify;

	device_class->get_generic_capabilities = get_generic_capabilities;

	device_class->act_stage1_prepare_set_hwaddr_ethernet = TRUE;

	device_class->act_stage1_prepare = act_stage1_prepare;

	device_class->get_configured_mtu = nm_device_get_configured_mtu_wired_parent;

	device_class->is_available = is_available;

	device_class->parent_changed_notify = parent_changed_notify;

	device_class->check_connection_compatible = check_connection_compatible;

	device_class->check_connection_available = check_connection_available;

	device_class->complete_connection = complete_connection;

	device_class->update_connection = update_connection;

	obj_properties[PROP_VLAN_ID] =

	     g_param_spec_uint (NM_DEVICE_VLAN_ID, "", "",

	                        0, 4095, 0,

	                        G_PARAM_READABLE

	                        | G_PARAM_STATIC_STRINGS);

	g_object_class_install_properties (object_class, _PROPERTY_ENUMS_LAST, obj_properties);

}

/*****************************************************************************/

#define NM_TYPE_VLAN_DEVICE_FACTORY (nm_vlan_device_factory_get_type ())

#define NM_VLAN_DEVICE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_VLAN_DEVICE_FACTORY, NMVlanDeviceFactory))

static NMDevice *

create_device (NMDeviceFactory *factory,

               const char *iface,

               const NMPlatformLink *plink,

               NMConnection *connection,

               gboolean *out_ignore)

{

	return (NMDevice *) g_object_new (NM_TYPE_DEVICE_VLAN,

	                                  NM_DEVICE_IFACE, iface,

	                                  NM_DEVICE_DRIVER, "8021q",

	                                  NM_DEVICE_TYPE_DESC, "VLAN",

	                                  NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_VLAN,

	                                  NM_DEVICE_LINK_TYPE, NM_LINK_TYPE_VLAN,

	                                  NULL);

}

static const char *

get_connection_parent (NMDeviceFactory *factory, NMConnection *connection)

{

	NMSettingVlan *s_vlan;

	NMSettingWired *s_wired;

	const char *parent = NULL;

	g_return_val_if_fail (nm_connection_is_type (connection, NM_SETTING_VLAN_SETTING_NAME), NULL);

	s_vlan = nm_connection_get_setting_vlan (connection);

	g_assert (s_vlan);

	parent = nm_setting_vlan_get_parent (s_vlan);

	if (parent)

		return parent;

	/* Try the hardware address from the VLAN connection's hardware setting */

	s_wired = nm_connection_get_setting_wired (connection);

	if (s_wired)

		return nm_setting_wired_get_mac_address (s_wired);

	return NULL;

}

static char *

get_connection_iface (NMDeviceFactory *factory,

                      NMConnection *connection,

                      const char *parent_iface)

{

	const char *ifname;

	NMSettingVlan *s_vlan;

	g_return_val_if_fail (nm_connection_is_type (connection, NM_SETTING_VLAN_SETTING_NAME), NULL);

	s_vlan = nm_connection_get_setting_vlan (connection);

	g_assert (s_vlan);

	if (!parent_iface)

		return NULL;

	ifname = nm_connection_get_interface_name (connection);

	if (ifname)

		return g_strdup (ifname);

	/* If the connection doesn't specify the interface name for the VLAN

	 * device, we create one for it using the VLAN ID and the parent

	 * interface's name.

	 */

	return nm_utils_new_vlan_name (parent_iface, nm_setting_vlan_get_id (s_vlan));

}

NM_DEVICE_FACTORY_DEFINE_INTERNAL (VLAN, Vlan, vlan,

	NM_DEVICE_FACTORY_DECLARE_LINK_TYPES    (NM_LINK_TYPE_VLAN)

	NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES (NM_SETTING_VLAN_SETTING_NAME),

	factory_class->create_device = create_device;

	factory_class->get_connection_parent = get_connection_parent;

	factory_class->get_connection_iface = get_connection_iface;

);