// SPDX-License-Identifier: GPL-2.0+
#include "nm-default.h"
#include "nm-device-vrf.h"
#include "nm-core-internal.h"
#include "nm-device-factory.h"
#include "nm-device-private.h"
#include "nm-manager.h"
#include "nm-setting-vrf.h"
#include "platform/nm-platform.h"
#include "settings/nm-settings.h"
#include "nm-device-logging.h"
_LOG_DECLARE_SELF(NMDeviceVrf);
/*****************************************************************************/
NM_GOBJECT_PROPERTIES_DEFINE (NMDeviceVrf,
PROP_TABLE,
);
typedef struct {
NMPlatformLnkVrf props;
} NMDeviceVrfPrivate;
struct _NMDeviceVrf {
NMDevice parent;
NMDeviceVrfPrivate _priv;
};
struct _NMDeviceVrfClass {
NMDeviceClass parent;
};
G_DEFINE_TYPE (NMDeviceVrf, nm_device_vrf, NM_TYPE_DEVICE)
#define NM_DEVICE_VRF_GET_PRIVATE(self) _NM_GET_PRIVATE (self, NMDeviceVrf, NM_IS_DEVICE_VRF, NMDevice)
/*****************************************************************************/
static void
do_update_properties (NMDeviceVrf *self, const NMPlatformLnkVrf *props)
{
NMDeviceVrfPrivate *priv = NM_DEVICE_VRF_GET_PRIVATE (self);
GObject *object = G_OBJECT (self);
NMPlatformLnkVrf props_null;
if (!props) {
props_null = (NMPlatformLnkVrf) { };
props = &props_null;
}
g_object_freeze_notify (object);
#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
CHECK_PROPERTY_CHANGED (table, PROP_TABLE);
g_object_thaw_notify (object);
}
static void
update_properties (NMDevice *device)
{
NMDeviceVrf *self = NM_DEVICE_VRF (device);
const NMPlatformLnkVrf *props;
props = nm_platform_link_get_lnk_vrf (nm_device_get_platform (device), nm_device_get_ifindex (device), NULL);
if (!props) {
_LOGW (LOGD_PLATFORM, "could not get vrf properties");
return;
}
do_update_properties (self, props);
}
static NMDeviceCapabilities
get_generic_capabilities (NMDevice *dev)
{
return NM_DEVICE_CAP_IS_SOFTWARE;
}
static void
link_changed (NMDevice *device,
const NMPlatformLink *pllink)
{
NM_DEVICE_CLASS (nm_device_vrf_parent_class)->link_changed (device, pllink);
update_properties (device);
}
static void
unrealize_notify (NMDevice *device)
{
NMDeviceVrf *self = NM_DEVICE_VRF (device);
NM_DEVICE_CLASS (nm_device_vrf_parent_class)->unrealize_notify (device);
do_update_properties (self, NULL);
}
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);
NMPlatformLnkVrf props = { };
NMSettingVrf *s_vrf;
int r;
s_vrf = _nm_connection_get_setting (connection, NM_TYPE_SETTING_VRF);
nm_assert (s_vrf);
props.table = nm_setting_vrf_get_table (s_vrf);
r = nm_platform_link_vrf_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 VRF interface '%s' for '%s': %s",
iface,
nm_connection_get_id (connection),
nm_strerror (r));
return FALSE;
}
return TRUE;
}
static gboolean
check_connection_compatible (NMDevice *device, NMConnection *connection, GError **error)
{
NMDeviceVrfPrivate *priv = NM_DEVICE_VRF_GET_PRIVATE (device);
NMSettingVrf *s_vrf;
if (!NM_DEVICE_CLASS (nm_device_vrf_parent_class)->check_connection_compatible (device, connection, error))
return FALSE;
if (nm_device_is_real (device)) {
s_vrf = _nm_connection_get_setting (connection, NM_TYPE_SETTING_VRF);
if (priv->props.table != nm_setting_vrf_get_table (s_vrf)) {
nm_utils_error_set_literal (error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY,
"vrf table mismatches");
return FALSE;
}
}
return TRUE;
}
static gboolean
complete_connection (NMDevice *device,
NMConnection *connection,
const char *specific_object,
NMConnection *const*existing_connections,
GError **error)
{
NMSettingVrf *s_vrf;
nm_utils_complete_generic (nm_device_get_platform (device),
connection,
NM_SETTING_VRF_SETTING_NAME,
existing_connections,
NULL,
_("VRF connection"),
NULL,
NULL,
TRUE);
s_vrf = _nm_connection_get_setting (connection, NM_TYPE_SETTING_VRF);
if (!s_vrf) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INVALID_CONNECTION,
"A 'vrf' setting is required.");
return FALSE;
}
return TRUE;
}
static void
update_connection (NMDevice *device, NMConnection *connection)
{
NMDeviceVrfPrivate *priv = NM_DEVICE_VRF_GET_PRIVATE (device);
NMSettingVrf *s_vrf = _nm_connection_get_setting (connection, NM_TYPE_SETTING_VRF);
if (!s_vrf) {
s_vrf = (NMSettingVrf *) nm_setting_vrf_new ();
nm_connection_add_setting (connection, (NMSetting *) s_vrf);
}
if (priv->props.table != nm_setting_vrf_get_table (s_vrf))
g_object_set (G_OBJECT (s_vrf), NM_SETTING_VRF_TABLE, priv->props.table, NULL);
}
static gboolean
enslave_slave (NMDevice *device,
NMDevice *slave,
NMConnection *connection,
gboolean configure)
{
NMDeviceVrf *self = NM_DEVICE_VRF (device);
gboolean success = TRUE;
const char *slave_iface = nm_device_get_ip_iface (slave);
nm_device_master_check_slave_physical_port (device, slave, LOGD_DEVICE);
if (configure) {
nm_device_take_down (slave, TRUE);
success = nm_platform_link_enslave (nm_device_get_platform (device),
nm_device_get_ip_ifindex (device),
nm_device_get_ip_ifindex (slave));
nm_device_bring_up (slave, TRUE, NULL);
if (!success)
return FALSE;
_LOGI (LOGD_DEVICE, "enslaved VRF slave %s", slave_iface);
} else
_LOGI (LOGD_BOND, "VRF slave %s was enslaved", slave_iface);
return TRUE;
}
static void
release_slave (NMDevice *device,
NMDevice *slave,
gboolean configure)
{
NMDeviceVrf *self = NM_DEVICE_VRF (device);
gboolean success;
int ifindex_slave;
int ifindex;
if (configure) {
ifindex = nm_device_get_ifindex (device);
if ( ifindex <= 0
|| !nm_platform_link_get (nm_device_get_platform (device), ifindex))
configure = FALSE;
}
ifindex_slave = nm_device_get_ip_ifindex (slave);
if (ifindex_slave <= 0)
_LOGD (LOGD_DEVICE, "VRF slave %s is already released", nm_device_get_ip_iface (slave));
if (configure) {
if (ifindex_slave > 0) {
success = nm_platform_link_release (nm_device_get_platform (device),
nm_device_get_ip_ifindex (device),
ifindex_slave);
if (success) {
_LOGI (LOGD_DEVICE, "released VRF slave %s",
nm_device_get_ip_iface (slave));
} else {
_LOGW (LOGD_DEVICE, "failed to release VRF slave %s",
nm_device_get_ip_iface (slave));
}
}
} else {
if (ifindex_slave > 0) {
_LOGI (LOGD_DEVICE, "VRF slave %s was released",
nm_device_get_ip_iface (slave));
}
}
}
/*****************************************************************************/
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMDeviceVrfPrivate *priv = NM_DEVICE_VRF_GET_PRIVATE (object);
switch (prop_id) {
case PROP_TABLE:
g_value_set_uint (value, priv->props.table);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/*****************************************************************************/
static void
nm_device_vrf_init (NMDeviceVrf *self)
{
}
static const NMDBusInterfaceInfoExtended interface_info_device_vrf = {
.parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT (
NM_DBUS_INTERFACE_DEVICE_VRF,
.properties = NM_DEFINE_GDBUS_PROPERTY_INFOS (
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE ("Table", "u", NM_DEVICE_VRF_TABLE),
),
),
};
static void
nm_device_vrf_class_init (NMDeviceVrfClass *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_vrf);
device_class->connection_type_supported = NM_SETTING_VRF_SETTING_NAME;
device_class->connection_type_check_compatible = NM_SETTING_VRF_SETTING_NAME;
device_class->is_master = TRUE;
device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES (NM_LINK_TYPE_VRF);
device_class->enslave_slave = enslave_slave;
device_class->release_slave = release_slave;
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_TABLE] =
g_param_spec_uint (NM_DEVICE_VRF_TABLE, "", "",
0, G_MAXUINT32, 0,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, _PROPERTY_ENUMS_LAST, obj_properties);
}
/*****************************************************************************/
#define NM_TYPE_VRF_DEVICE_FACTORY (nm_vrf_device_factory_get_type ())
#define NM_VRF_DEVICE_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_VRF_DEVICE_FACTORY, NMVrfDeviceFactory))
static NMDevice *
create_device (NMDeviceFactory *factory,
const char *iface,
const NMPlatformLink *plink,
NMConnection *connection,
gboolean *out_ignore)
{
return g_object_new (NM_TYPE_DEVICE_VRF,
NM_DEVICE_IFACE, iface,
NM_DEVICE_TYPE_DESC, "Vrf",
NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_VRF,
NM_DEVICE_LINK_TYPE, NM_LINK_TYPE_VRF,
NULL);
}
NM_DEVICE_FACTORY_DEFINE_INTERNAL (VRF, Vrf, vrf,
NM_DEVICE_FACTORY_DECLARE_LINK_TYPES (NM_LINK_TYPE_VRF)
NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES (NM_SETTING_VRF_SETTING_NAME),
factory_class->create_device = create_device;
);