/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ /* NetworkManager -- Network link manager * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Copyright 2011 - 2012 Red Hat, Inc. */ #include "config.h" #include #include #include #include #include #include "nm-device-vlan.h" #include "nm-logging.h" #include "nm-properties-changed-signal.h" #include "nm-utils.h" #include "NetworkManagerUtils.h" #include "nm-device-private.h" #include "nm-netlink-monitor.h" #include "nm-enum-types.h" #include "nm-system.h" #include "nm-device-vlan-glue.h" G_DEFINE_TYPE (NMDeviceVlan, nm_device_vlan, NM_TYPE_DEVICE) #define NM_DEVICE_VLAN_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_VLAN, NMDeviceVlanPrivate)) #define NM_VLAN_ERROR (nm_vlan_error_quark ()) typedef struct { gboolean disposed; NMDevice *parent; guint parent_state_id; guint vlan_id; guint8 hw_addr[NM_UTILS_HWADDR_LEN_MAX]; guint hw_addr_len; gboolean carrier; NMNetlinkMonitor *monitor; gulong link_connected_id; gulong link_disconnected_id; guint carrier_action_defer_id; } NMDeviceVlanPrivate; enum { PROPERTIES_CHANGED, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = { 0 }; enum { PROP_0, PROP_HW_ADDRESS, PROP_CARRIER, PROP_VLAN_ID, LAST_PROP }; static void set_carrier (NMDeviceVlan *self, const gboolean carrier, const gboolean defer_action); /******************************************************************/ static GQuark nm_vlan_error_quark (void) { static GQuark quark = 0; if (!quark) quark = g_quark_from_static_string ("nm-vlan-error"); return quark; } /******************************************************************/ static guint32 real_get_generic_capabilities (NMDevice *dev) { /* We assume VLAN interfaces always support carrier detect */ return NM_DEVICE_CAP_CARRIER_DETECT | NM_DEVICE_CAP_NM_SUPPORTED; } static gboolean get_carrier_sync (NMDeviceVlan *self) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self); GError *error = NULL; guint32 ifflags = 0; /* Get initial link state */ if (!nm_netlink_monitor_get_flags_sync (priv->monitor, nm_device_get_ip_ifindex (NM_DEVICE (self)), &ifflags, &error)) { nm_log_warn (LOGD_HW | LOGD_DEVICE, "(%s): couldn't get carrier state: (%d) %s", nm_device_get_ip_iface (NM_DEVICE (self)), error ? error->code : -1, (error && error->message) ? error->message : "unknown"); g_clear_error (&error); } return !!(ifflags & IFF_LOWER_UP); } static gboolean real_hw_is_up (NMDevice *device) { return nm_system_iface_is_up (nm_device_get_ip_ifindex (device)); } static gboolean real_hw_bring_up (NMDevice *dev, gboolean *no_firmware) { gboolean success = FALSE, carrier; guint i = 20; while (i-- > 0 && !success) { success = nm_system_iface_set_up (nm_device_get_ip_ifindex (dev), TRUE, no_firmware); g_usleep (50); } if (success) { /* Block a bit to make sure the carrier comes on; it's delayed a bit * after setting the interface up. */ i = 20; while (i-- > 0) { carrier = get_carrier_sync (NM_DEVICE_VLAN (dev)); set_carrier (NM_DEVICE_VLAN (dev), carrier, carrier ? FALSE : TRUE); if (carrier) break; g_usleep (100); } } return success; } static void real_hw_take_down (NMDevice *dev) { nm_system_iface_set_up (nm_device_get_ip_ifindex (dev), FALSE, NULL); } static void real_update_hw_address (NMDevice *dev) { NMDeviceVlan *self = NM_DEVICE_VLAN (dev); NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self); struct rtnl_link *rtnl; struct nl_addr *addr; rtnl = nm_netlink_index_to_rtnl_link (nm_device_get_ip_ifindex (dev)); if (!rtnl) { nm_log_err (LOGD_HW | LOGD_DEVICE, "(%s) failed to read hardware address (error %d)", nm_device_get_iface (dev), errno); return; } addr = rtnl_link_get_addr (rtnl); if (!addr) { nm_log_err (LOGD_HW | LOGD_DEVICE, "(%s) no hardware address?", nm_device_get_iface (dev)); goto out; } if (nl_addr_get_len (addr) > sizeof (priv->hw_addr)) { nm_log_err (LOGD_HW | LOGD_DEVICE, "(%s) hardware address is wrong length (got %d max %zd)", nm_device_get_iface (dev), nl_addr_get_len (addr), sizeof (priv->hw_addr)); } else { priv->hw_addr_len = nl_addr_get_len (addr); memcpy (&priv->hw_addr, nl_addr_get_binary_addr (addr), priv->hw_addr_len); g_object_notify (G_OBJECT (self), NM_DEVICE_VLAN_HW_ADDRESS); } out: rtnl_link_put (rtnl); } static gboolean real_can_interrupt_activation (NMDevice *dev) { /* Can interrupt activation if the carrier drops while activating */ return NM_DEVICE_VLAN_GET_PRIVATE (dev)->carrier ? FALSE : TRUE; } static gboolean real_is_available (NMDevice *dev) { return NM_DEVICE_VLAN_GET_PRIVATE (dev)->carrier ? TRUE : FALSE; } /******************************************************************/ static gboolean match_parent (NMDeviceVlan *self, const char *parent, GError **error) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self); g_return_val_if_fail (parent != NULL, FALSE); if (nm_utils_is_uuid (parent)) { NMActRequest *parent_req; NMConnection *parent_connection; /* If the parent is a UUID, the connection matches if our parent * device has that connection activated. */ parent_req = nm_device_get_act_request (priv->parent); if (!parent_req) { g_set_error_literal (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "Parent interface not active; could not match UUID"); return FALSE; } parent_connection = nm_active_connection_get_connection (NM_ACTIVE_CONNECTION (parent_req)); if (!parent_connection) { g_set_error_literal (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "Parent interface had no connection; could not match UUID"); return FALSE; } if (g_strcmp0 (parent, nm_connection_get_uuid (parent_connection)) != 0) { g_set_error_literal (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "Parent interface UUID did not match connection UUID"); return FALSE; } } else { /* interface name */ if (g_strcmp0 (parent, nm_device_get_ip_iface (priv->parent)) != 0) { g_set_error_literal (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "Parent interface name did not match connection"); return FALSE; } } return TRUE; } static gboolean match_vlan_connection (NMDeviceVlan *self, NMConnection *connection, GError **error) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self); NMSettingVlan *s_vlan; const char *parent, *iface = NULL; s_vlan = nm_connection_get_setting_vlan (connection); if (!s_vlan) { g_set_error (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "The connection was not a VLAN connection."); return FALSE; } if (nm_setting_vlan_get_id (s_vlan) != priv->vlan_id) { g_set_error (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "The connection's VLAN ID did not match the device's VLAN ID."); return FALSE; } /* Check parent interface; could be an interface name or a UUID */ parent = nm_setting_vlan_get_parent (s_vlan); if (parent) { if (!match_parent (self, parent, error)) return FALSE; } else { /* Parent could be a MAC address in a hardware-specific setting */ if (!nm_device_hwaddr_matches (priv->parent, connection, NULL, 0, TRUE)) { g_set_error (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "Failed to match the VLAN parent interface via hardware address."); return FALSE; } } /* Ensure the interface name matches. If not specified we assume a match * since both the parent interface and the VLAN ID matched by the time we * get here. */ iface = nm_connection_get_virtual_iface_name (connection); if (iface) { if (g_strcmp0 (nm_device_get_ip_iface (NM_DEVICE (self)), iface) != 0) { g_set_error (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "The VLAN connection virtual interface name did not match."); return FALSE; } } return TRUE; } static NMConnection * real_get_best_auto_connection (NMDevice *dev, GSList *connections, char **specific_object) { GSList *iter; for (iter = connections; iter; iter = g_slist_next (iter)) { NMConnection *connection = NM_CONNECTION (iter->data); NMSettingConnection *s_con; s_con = nm_connection_get_setting_connection (connection); g_assert (s_con); if ( nm_setting_connection_get_autoconnect (s_con) && match_vlan_connection (NM_DEVICE_VLAN (dev), connection, NULL)) return connection; } return NULL; } static gboolean real_check_connection_compatible (NMDevice *device, NMConnection *connection, GError **error) { return match_vlan_connection (NM_DEVICE_VLAN (device), connection, error); } static gboolean real_complete_connection (NMDevice *device, NMConnection *connection, const char *specific_object, const GSList *existing_connections, GError **error) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (device); NMSettingVlan *s_vlan; nm_utils_complete_generic (connection, NM_SETTING_VLAN_SETTING_NAME, existing_connections, _("VLAN connection %d"), NULL, TRUE); s_vlan = nm_connection_get_setting_vlan (connection); if (!s_vlan) { g_set_error_literal (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "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)) { if (!nm_device_hwaddr_matches (priv->parent, connection, NULL, 0, TRUE)) { /* FIXME: put priv->hw_addr into the connection in the appropriate * hardware-specific setting. */ g_set_error_literal (error, NM_VLAN_ERROR, NM_VLAN_ERROR_CONNECTION_INVALID, "The 'vlan' setting had no interface name, parent, or hardware address."); return FALSE; } } return TRUE; } static gboolean spec_match_list (NMDevice *device, const GSList *specs) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (device); char *hwaddr; gboolean matched; int itype = nm_utils_hwaddr_type (priv->hw_addr_len); hwaddr = nm_utils_hwaddr_ntoa (priv->hw_addr, itype); matched = nm_match_spec_hwaddr (specs, hwaddr); g_free (hwaddr); return matched; } static gboolean vlan_match_config (NMDevice *device, NMConnection *connection) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (device); NMSettingVlan *s_vlan; const char *ifname, *parent; gboolean fail_if_no_hwaddr = FALSE; s_vlan = nm_connection_get_setting_vlan (connection); if (!s_vlan) return FALSE; /* Interface name */ ifname = nm_setting_vlan_get_interface_name (s_vlan); if (g_strcmp0 (ifname, nm_device_get_ip_iface (device)) != 0) return FALSE; if (nm_setting_vlan_get_id (s_vlan) != priv->vlan_id) return FALSE; parent = nm_setting_vlan_get_parent (s_vlan); if (parent) { if (!match_parent (NM_DEVICE_VLAN (device), parent, NULL)) return FALSE; } else { /* If there's no parent and no interface name given, then the only way * we have to identify the VLAN interface the connection matches is * a hardware-specific setting's hardware address property, so we want * to fail the match below if we there is none. */ if (ifname == NULL) fail_if_no_hwaddr = TRUE; } /* MAC address check; we ask the parent to check our own MAC address, * because only the parent knows what kind of NMSetting the MAC * address will be in. The VLAN device shouldn't have to know what kind * of interface the parent is. */ if (!nm_device_hwaddr_matches (priv->parent, connection, priv->hw_addr, priv->hw_addr_len, fail_if_no_hwaddr)) return FALSE; return TRUE; } static NMConnection * connection_match_config (NMDevice *self, const GSList *connections) { const GSList *iter; /* First narrow @connections down to those that match in their * NMSettingVlan configuration. */ for (iter = connections; iter; iter = iter->next) { NMConnection *candidate = iter->data; if (!nm_connection_is_type (candidate, NM_SETTING_VLAN_SETTING_NAME)) continue; if (!vlan_match_config (self, candidate)) continue; if (!nm_device_match_ip_config (self, candidate)) continue; return candidate; } return NULL; } /******************************************************************/ static void carrier_action_defer_clear (NMDeviceVlan *self) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self); if (priv->carrier_action_defer_id) { g_source_remove (priv->carrier_action_defer_id); priv->carrier_action_defer_id = 0; } } static gboolean carrier_action_defer_cb (gpointer user_data) { NMDeviceVlan *self = NM_DEVICE_VLAN (user_data); NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self); NMDeviceState state; priv->carrier_action_defer_id = 0; state = nm_device_get_state (NM_DEVICE (self)); if (state == NM_DEVICE_STATE_UNAVAILABLE) { if (priv->carrier) nm_device_queue_state (NM_DEVICE (self), NM_DEVICE_STATE_DISCONNECTED, NM_DEVICE_STATE_REASON_CARRIER); } else if (state >= NM_DEVICE_STATE_DISCONNECTED) { if (!priv->carrier) nm_device_queue_state (NM_DEVICE (self), NM_DEVICE_STATE_UNAVAILABLE, NM_DEVICE_STATE_REASON_CARRIER); } return FALSE; } static void set_carrier (NMDeviceVlan *self, const gboolean carrier, const gboolean defer_action) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self); NMDeviceState state; if (priv->carrier == carrier) return; /* Clear any previous deferred action */ carrier_action_defer_clear (self); priv->carrier = carrier; g_object_notify (G_OBJECT (self), NM_DEVICE_VLAN_CARRIER); state = nm_device_get_state (NM_DEVICE (self)); nm_log_info (LOGD_HW | LOGD_DEVICE, "(%s): carrier now %s (device state %d%s)", nm_device_get_iface (NM_DEVICE (self)), carrier ? "ON" : "OFF", state, defer_action ? ", deferring action for 4 seconds" : ""); if (defer_action) priv->carrier_action_defer_id = g_timeout_add_seconds (4, carrier_action_defer_cb, self); else carrier_action_defer_cb (self); } static void carrier_on (NMNetlinkMonitor *monitor, int idx, NMDevice *device) { /* Make sure signal is for us */ if (idx == nm_device_get_ifindex (device)) set_carrier (NM_DEVICE_VLAN (device), TRUE, FALSE); } static void carrier_off (NMNetlinkMonitor *monitor, int idx, NMDevice *device) { NMDeviceState state; gboolean defer = FALSE; /* Make sure signal is for us */ if (idx == nm_device_get_ifindex (device)) { /* Defer carrier-off event actions while connected by a few seconds * so that tripping over a cable, power-cycling a switch, or breaking * off the RJ45 locking tab isn't so catastrophic. */ state = nm_device_get_state (device); if (state > NM_DEVICE_STATE_DISCONNECTED) defer = TRUE; set_carrier (NM_DEVICE_VLAN (device), FALSE, defer); } } static void carrier_watch_init (NMDeviceVlan *self) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self); priv->monitor = nm_netlink_monitor_get (); priv->link_connected_id = g_signal_connect (priv->monitor, "carrier-on", G_CALLBACK (carrier_on), self); priv->link_disconnected_id = g_signal_connect (priv->monitor, "carrier-off", G_CALLBACK (carrier_off), self); priv->carrier = get_carrier_sync (NM_DEVICE_VLAN (self)); nm_log_info (LOGD_HW | LOGD_DEVICE, "(%s): carrier is %s", nm_device_get_iface (NM_DEVICE (self)), priv->carrier ? "ON" : "OFF"); /* Request link state again just in case an error occurred getting the * initial link state. */ nm_netlink_monitor_request_status (priv->monitor); } /******************************************************************/ 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); if (new_state < NM_DEVICE_STATE_DISCONNECTED) { /* If the parent becomes unavailable or unmanaged so does the VLAN */ nm_device_state_changed (NM_DEVICE (self), new_state, reason); } else if ( new_state == NM_DEVICE_STATE_DISCONNECTED && old_state < NM_DEVICE_STATE_DISCONNECTED) { /* Mark VLAN interface as available/disconnected when the parent * becomes available as a result of carrier changes or becoming * initialized. */ nm_device_state_changed (NM_DEVICE (self), new_state, reason); } } /******************************************************************/ NMDevice * nm_device_vlan_new (const char *udi, const char *iface, NMDevice *parent) { NMDevice *device; g_return_val_if_fail (udi != NULL, NULL); g_return_val_if_fail (iface != NULL, NULL); g_return_val_if_fail (parent != NULL, NULL); device = (NMDevice *) g_object_new (NM_TYPE_DEVICE_VLAN, NM_DEVICE_UDI, udi, NM_DEVICE_IFACE, iface, NM_DEVICE_DRIVER, "8021q", NM_DEVICE_TYPE_DESC, "VLAN", NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_VLAN, NULL); if (device) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (device); int ifindex = nm_device_get_ifindex (device); int parent_ifindex = -1, itype; int vlan_id; itype = nm_system_get_iface_type (ifindex, iface); if (itype != NM_IFACE_TYPE_VLAN) { nm_log_err (LOGD_DEVICE, "(%s): failed to get VLAN interface type.", iface); g_object_unref (device); return NULL; } if (!nm_system_get_iface_vlan_info (ifindex, &parent_ifindex, &vlan_id)) { nm_log_warn (LOGD_DEVICE, "(%s): failed to get VLAN interface info.", iface); g_object_unref (device); return NULL; } if ( parent_ifindex < 0 || parent_ifindex != nm_device_get_ip_ifindex (parent) || vlan_id < 0) { nm_log_warn (LOGD_DEVICE, "(%s): VLAN parent ifindex (%d) or VLAN ID (%d) invalid.", iface, parent_ifindex, priv->vlan_id); g_object_unref (device); return NULL; } priv->vlan_id = vlan_id; priv->parent = g_object_ref (parent); priv->parent_state_id = g_signal_connect (priv->parent, "state-changed", G_CALLBACK (parent_state_changed), device); carrier_watch_init (NM_DEVICE_VLAN (device)); nm_log_dbg (LOGD_HW | LOGD_ETHER, "(%s): kernel ifindex %d", iface, ifindex); nm_log_info (LOGD_HW | LOGD_ETHER, "(%s): VLAN ID %d with parent %s", iface, priv->vlan_id, nm_device_get_iface (parent)); } return device; } static void nm_device_vlan_init (NMDeviceVlan * self) { } static void get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (object); char *hwaddr; switch (prop_id) { case PROP_HW_ADDRESS: hwaddr = nm_utils_hwaddr_ntoa (priv->hw_addr, nm_utils_hwaddr_type (priv->hw_addr_len)); g_value_take_string (value, hwaddr); break; case PROP_CARRIER: g_value_set_boolean (value, priv->carrier); break; 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 set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (object); switch (prop_id) { case PROP_VLAN_ID: priv->vlan_id = g_value_get_uint (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void dispose (GObject *object) { NMDeviceVlan *self = NM_DEVICE_VLAN (object); NMDeviceVlanPrivate *priv = NM_DEVICE_VLAN_GET_PRIVATE (self); if (priv->disposed) { G_OBJECT_CLASS (nm_device_vlan_parent_class)->dispose (object); return; } priv->disposed = TRUE; if (priv->link_connected_id) g_signal_handler_disconnect (priv->monitor, priv->link_connected_id); if (priv->link_disconnected_id) g_signal_handler_disconnect (priv->monitor, priv->link_disconnected_id); carrier_action_defer_clear (self); g_object_unref (priv->monitor); g_signal_handler_disconnect (priv->parent, priv->parent_state_id); g_object_unref (priv->parent); } static void nm_device_vlan_class_init (NMDeviceVlanClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); NMDeviceClass *parent_class = NM_DEVICE_CLASS (klass); g_type_class_add_private (object_class, sizeof (NMDeviceVlanPrivate)); /* virtual methods */ object_class->get_property = get_property; object_class->set_property = set_property; object_class->dispose = dispose; parent_class->get_generic_capabilities = real_get_generic_capabilities; parent_class->update_hw_address = real_update_hw_address; parent_class->hw_is_up = real_hw_is_up; parent_class->hw_bring_up = real_hw_bring_up; parent_class->hw_take_down = real_hw_take_down; parent_class->can_interrupt_activation = real_can_interrupt_activation; parent_class->is_available = real_is_available; parent_class->get_best_auto_connection = real_get_best_auto_connection; parent_class->check_connection_compatible = real_check_connection_compatible; parent_class->complete_connection = real_complete_connection; parent_class->spec_match_list = spec_match_list; parent_class->connection_match_config = connection_match_config; /* properties */ g_object_class_install_property (object_class, PROP_HW_ADDRESS, g_param_spec_string (NM_DEVICE_VLAN_HW_ADDRESS, "Active MAC Address", "Currently set hardware MAC address", NULL, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_CARRIER, g_param_spec_boolean (NM_DEVICE_VLAN_CARRIER, "Carrier", "Carrier", FALSE, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_VLAN_ID, g_param_spec_uint (NM_DEVICE_VLAN_ID, "VLAN ID", "VLAN ID", 0, 4095, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); /* Signals */ signals[PROPERTIES_CHANGED] = nm_properties_changed_signal_new (object_class, G_STRUCT_OFFSET (NMDeviceVlanClass, properties_changed)); dbus_g_object_type_install_info (G_TYPE_FROM_CLASS (klass), &dbus_glib_nm_device_vlan_object_info); dbus_g_error_domain_register (NM_VLAN_ERROR, NULL, NM_TYPE_VLAN_ERROR); }