/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2026 Red Hat, Inc. */ #include "src/core/nm-default-daemon.h" #include "nm-manager.h" #include "nm-device-geneve.h" #include "libnm-core-intern/nm-core-internal.h" #include "nm-act-request.h" #include "nm-device-private.h" #include "nm-setting-geneve.h" #include "libnm-platform/nm-platform.h" #include "nm-device-factory.h" #define _NMLOG_DEVICE_TYPE NMDeviceGeneve #include "nm-device-logging.h" NM_GOBJECT_PROPERTIES_DEFINE(NMDeviceGeneve, PROP_ID, PROP_REMOTE, PROP_TOS, PROP_TTL, PROP_DF, PROP_DST_PORT, ); typedef struct { NMPlatformLnkGeneve props; } NMDeviceGenevePrivate; struct _NMDeviceGeneve { NMDevice parent; NMDeviceGenevePrivate _priv; }; struct _NMDeviceGeneveClass { NMDeviceClass parent; }; G_DEFINE_TYPE(NMDeviceGeneve, nm_device_geneve, NM_TYPE_DEVICE) #define NM_DEVICE_GENEVE_GET_PRIVATE(self) \ _NM_GET_PRIVATE(self, NMDeviceGeneve, NM_IS_DEVICE_GENEVE, NMDevice) /*****************************************************************************/ static NMDeviceCapabilities get_generic_capabilities(NMDevice *dev) { return NM_DEVICE_CAP_IS_SOFTWARE; } static void update_properties(NMDevice *device) { NMDeviceGeneve *self; NMDeviceGenevePrivate *priv; const NMPlatformLink *plink; const NMPlatformLnkGeneve *props; int ifindex; g_return_if_fail(NM_IS_DEVICE_GENEVE(device)); self = NM_DEVICE_GENEVE(device); priv = NM_DEVICE_GENEVE_GET_PRIVATE(self); ifindex = nm_device_get_ifindex(device); g_return_if_fail(ifindex > 0); props = nm_platform_link_get_lnk_geneve(nm_device_get_platform(device), ifindex, &plink); if (!props) { _LOGW(LOGD_PLATFORM, "could not get GENEVE properties"); return; } g_object_freeze_notify((GObject *) device); #define CHECK_PROPERTY_CHANGED(field, prop) \ G_STMT_START \ { \ if (priv->props.field != props->field) { \ priv->props.field = props->field; \ _notify(self, prop); \ } \ } \ G_STMT_END #define CHECK_PROPERTY_CHANGED_IN6ADDR(field, prop) \ G_STMT_START \ { \ if (memcmp(&priv->props.field, &props->field, sizeof(props->field)) != 0) { \ priv->props.field = props->field; \ _notify(self, prop); \ } \ } \ G_STMT_END CHECK_PROPERTY_CHANGED(id, PROP_ID); CHECK_PROPERTY_CHANGED(remote, PROP_REMOTE); CHECK_PROPERTY_CHANGED_IN6ADDR(remote6, PROP_REMOTE); CHECK_PROPERTY_CHANGED(tos, PROP_TOS); CHECK_PROPERTY_CHANGED(ttl, PROP_TTL); CHECK_PROPERTY_CHANGED(df, PROP_DF); CHECK_PROPERTY_CHANGED(dst_port, PROP_DST_PORT); g_object_thaw_notify((GObject *) device); } static void link_changed(NMDevice *device, const NMPlatformLink *pllink) { NM_DEVICE_CLASS(nm_device_geneve_parent_class)->link_changed(device, pllink); update_properties(device); } static void unrealize_notify(NMDevice *device) { NMDeviceGeneve *self = NM_DEVICE_GENEVE(device); NMDeviceGenevePrivate *priv = NM_DEVICE_GENEVE_GET_PRIVATE(self); guint i; NM_DEVICE_CLASS(nm_device_geneve_parent_class)->unrealize_notify(device); memset(&priv->props, 0, sizeof(NMPlatformLnkGeneve)); for (i = 1; i < _PROPERTY_ENUMS_LAST; i++) g_object_notify_by_pspec(G_OBJECT(self), obj_properties[i]); } static gboolean create_and_realize(NMDevice *device, NMConnection *connection, NMDevice *parent, const NMPlatformLink **out_plink, GError **error) { const char *iface = nm_device_get_iface(device); NMPlatformLnkGeneve props = {}; NMSettingGeneve *s_geneve; const char *str; int r; s_geneve = nm_connection_get_setting_geneve(connection); g_return_val_if_fail(s_geneve, FALSE); props.id = nm_setting_geneve_get_id(s_geneve); str = nm_setting_geneve_get_remote(s_geneve); if (!nm_inet_parse_bin(AF_INET, str, NULL, &props.remote) && !nm_inet_parse_bin(AF_INET6, str, NULL, &props.remote6)) { return nm_assert_unreachable_val(FALSE); } props.tos = nm_setting_geneve_get_tos(s_geneve); props.ttl = nm_setting_geneve_get_ttl(s_geneve); props.df = nm_setting_geneve_get_df(s_geneve); props.dst_port = nm_setting_geneve_get_destination_port(s_geneve); r = nm_platform_link_geneve_add(nm_device_get_platform(device), iface, &props, out_plink); if (r < 0) { g_set_error(error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_CREATION_FAILED, "Failed to create geneve interface '%s' for '%s': %s", iface, nm_connection_get_id(connection), nm_strerror(r)); return FALSE; } return TRUE; } static gboolean address_matches(const char *candidate, in_addr_t addr4, struct in6_addr *addr6) { NMIPAddr candidate_addr; int addr_family; if (!candidate) return addr4 == 0u && IN6_IS_ADDR_UNSPECIFIED(addr6); if (!nm_inet_parse_bin(AF_UNSPEC, candidate, &addr_family, &candidate_addr)) return FALSE; if (!nm_ip_addr_equal(addr_family, &candidate_addr, NM_IS_IPv4(addr_family) ? (gpointer) &addr4 : addr6)) return FALSE; if (NM_IS_IPv4(addr_family)) return IN6_IS_ADDR_UNSPECIFIED(addr6); else return addr4 == 0u; } static gboolean check_connection_compatible(NMDevice *device, NMConnection *connection, gboolean check_properties, GError **error) { NMDeviceGenevePrivate *priv = NM_DEVICE_GENEVE_GET_PRIVATE(device); NMSettingGeneve *s_geneve; if (!NM_DEVICE_CLASS(nm_device_geneve_parent_class) ->check_connection_compatible(device, connection, check_properties, error)) return FALSE; if (check_properties && nm_device_is_real(device)) { s_geneve = nm_connection_get_setting_geneve(connection); if (priv->props.id != nm_setting_geneve_get_id(s_geneve)) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "geneve id mismatches"); return FALSE; } if (!address_matches(nm_setting_geneve_get_remote(s_geneve), priv->props.remote, &priv->props.remote6)) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "geneve remote address mismatches"); return FALSE; } if (priv->props.dst_port != nm_setting_geneve_get_destination_port(s_geneve)) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "geneve destination port mismatches"); return FALSE; } if (priv->props.tos != nm_setting_geneve_get_tos(s_geneve)) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "geneve TOS mismatches"); return FALSE; } if (priv->props.ttl != nm_setting_geneve_get_ttl(s_geneve)) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "geneve TTL mismatches"); return FALSE; } if (priv->props.df != nm_setting_geneve_get_df(s_geneve)) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "geneve DF mismatches"); return FALSE; } } return TRUE; } static gboolean complete_connection(NMDevice *device, NMConnection *connection, const char *specific_object, NMConnection *const *existing_connections, GError **error) { NMSettingGeneve *s_geneve; nm_utils_complete_generic(nm_device_get_platform(device), connection, NM_SETTING_GENEVE_SETTING_NAME, existing_connections, NULL, _("Geneve connection"), NULL, NULL); s_geneve = nm_connection_get_setting_geneve(connection); if (!s_geneve) { g_set_error_literal(error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INVALID_CONNECTION, "A 'geneve' setting is required."); return FALSE; } return TRUE; } static void update_connection(NMDevice *device, NMConnection *connection) { NMDeviceGenevePrivate *priv = NM_DEVICE_GENEVE_GET_PRIVATE(device); NMSettingGeneve *s_geneve = _nm_connection_ensure_setting(connection, NM_TYPE_SETTING_GENEVE); char sbuf[NM_INET_ADDRSTRLEN]; if (priv->props.id != nm_setting_geneve_get_id(s_geneve)) g_object_set(G_OBJECT(s_geneve), NM_SETTING_GENEVE_ID, priv->props.id, NULL); /* Handle remote (IPv4 or IPv6) */ if (priv->props.remote) { g_object_set(s_geneve, NM_SETTING_GENEVE_REMOTE, nm_inet4_ntop(priv->props.remote, sbuf), NULL); } else if (memcmp(&priv->props.remote6, &in6addr_any, sizeof(in6addr_any))) { g_object_set(s_geneve, NM_SETTING_GENEVE_REMOTE, nm_inet6_ntop(&priv->props.remote6, sbuf), NULL); } if (priv->props.dst_port != nm_setting_geneve_get_destination_port(s_geneve)) g_object_set(G_OBJECT(s_geneve), NM_SETTING_GENEVE_DESTINATION_PORT, priv->props.dst_port, NULL); if (priv->props.tos != nm_setting_geneve_get_tos(s_geneve)) g_object_set(G_OBJECT(s_geneve), NM_SETTING_GENEVE_TOS, priv->props.tos, NULL); if (priv->props.ttl != nm_setting_geneve_get_ttl(s_geneve)) g_object_set(G_OBJECT(s_geneve), NM_SETTING_GENEVE_TTL, priv->props.ttl, NULL); if (priv->props.df != nm_setting_geneve_get_df(s_geneve)) g_object_set(G_OBJECT(s_geneve), NM_SETTING_GENEVE_DF, priv->props.df, NULL); } static void get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { NMDeviceGenevePrivate *priv = NM_DEVICE_GENEVE_GET_PRIVATE(object); switch (prop_id) { case PROP_ID: g_value_set_uint(value, priv->props.id); break; case PROP_REMOTE: if (priv->props.remote) g_value_take_string(value, nm_inet4_ntop_dup(priv->props.remote)); else if (!IN6_IS_ADDR_UNSPECIFIED(&priv->props.remote6)) g_value_take_string(value, nm_inet6_ntop_dup(&priv->props.remote6)); break; case PROP_TOS: g_value_set_uchar(value, priv->props.tos); break; case PROP_TTL: g_value_set_uchar(value, priv->props.ttl); break; case PROP_DF: g_value_set_uint(value, priv->props.df); break; case PROP_DST_PORT: g_value_set_uint(value, priv->props.dst_port); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); break; } } /*****************************************************************************/ static void nm_device_geneve_init(NMDeviceGeneve *self) {} static const NMDBusInterfaceInfoExtended interface_info_device_geneve = { .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT( NM_DBUS_INTERFACE_DEVICE_GENEVE, .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS( NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Id", "u", NM_DEVICE_GENEVE_ID), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Remote", "s", NM_DEVICE_GENEVE_REMOTE), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Tos", "y", NM_DEVICE_GENEVE_TOS), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Ttl", "y", NM_DEVICE_GENEVE_TTL), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Df", "u", NM_DEVICE_GENEVE_DF), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("DstPort", "q", NM_DEVICE_GENEVE_DST_PORT), ), ), }; static void nm_device_geneve_class_init(NMDeviceGeneveClass *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_geneve); device_class->connection_type_supported = NM_SETTING_GENEVE_SETTING_NAME; device_class->connection_type_check_compatible = NM_SETTING_GENEVE_SETTING_NAME; device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES(NM_LINK_TYPE_GENEVE); device_class->link_changed = link_changed; device_class->unrealize_notify = unrealize_notify; device_class->create_and_realize = create_and_realize; device_class->check_connection_compatible = check_connection_compatible; device_class->complete_connection = complete_connection; device_class->get_generic_capabilities = get_generic_capabilities; device_class->update_connection = update_connection; obj_properties[PROP_ID] = g_param_spec_uint(NM_DEVICE_GENEVE_ID, "", "", 0, G_MAXUINT32, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_REMOTE] = g_param_spec_string(NM_DEVICE_GENEVE_REMOTE, "", "", NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_TOS] = g_param_spec_uchar(NM_DEVICE_GENEVE_TOS, "", "", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_TTL] = g_param_spec_uchar(NM_DEVICE_GENEVE_TTL, "", "", 0, 255, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_DF] = g_param_spec_uint(NM_DEVICE_GENEVE_DF, "", "", 0, 2, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); obj_properties[PROP_DST_PORT] = g_param_spec_uint(NM_DEVICE_GENEVE_DST_PORT, "", "", 0, 65535, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties); } /*****************************************************************************/ #define NM_TYPE_GENEVE_DEVICE_FACTORY (nm_geneve_device_factory_get_type()) #define NM_GENEVE_DEVICE_FACTORY(obj) \ (_NM_G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_GENEVE_DEVICE_FACTORY, NMGeneveDeviceFactory)) static NMDevice * create_device(NMDeviceFactory *factory, const char *iface, const NMPlatformLink *plink, NMConnection *connection, gboolean *out_ignore) { return g_object_new(NM_TYPE_DEVICE_GENEVE, NM_DEVICE_IFACE, iface, NM_DEVICE_TYPE_DESC, "Geneve", NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_GENEVE, NM_DEVICE_LINK_TYPE, NM_LINK_TYPE_GENEVE, NULL); } NM_DEVICE_FACTORY_DEFINE_INTERNAL( GENEVE, Geneve, geneve, NM_DEVICE_FACTORY_DECLARE_LINK_TYPES(NM_LINK_TYPE_GENEVE) NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES(NM_SETTING_GENEVE_SETTING_NAME), factory_class->create_device = create_device;);