diff options
Diffstat (limited to 'src/core/devices/nm-device-geneve.c')
| -rw-r--r-- | src/core/devices/nm-device-geneve.c | 487 |
1 files changed, 487 insertions, 0 deletions
diff --git a/src/core/devices/nm-device-geneve.c b/src/core/devices/nm-device-geneve.c new file mode 100644 index 00000000..0968a2fb --- /dev/null +++ b/src/core/devices/nm-device-geneve.c @@ -0,0 +1,487 @@ +/* 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;); |