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NetworkManager/src/core/devices/nm-device-vrf.c
Thomas Haller fdf9614ba7
build: move "libnm-core/" to "src/" and split it 
"libnm-core/" is rather complicated. It provides a static library that
is linked into libnm.so and NetworkManager. It also contains public
headers (like "nm-setting.h") which are part of public libnm API.

Then we have helper libraries ("libnm-core/nm-libnm-core-*/") which
only rely on public API of libnm-core, but are themself static
libraries that can be used by anybody who uses libnm-core. And
"libnm-core/nm-libnm-core-intern" is used by libnm-core itself.

Move "libnm-core/" to "src/". But also split it in different
directories so that they have a clearer purpose.

The goal is to have a flat directory hierarchy. The "src/libnm-core*/"
directories correspond to the different modules (static libraries and set
of headers that we have). We have different kinds of such modules because
of how we combine various code together. The directory layout now reflects
this.
2021-02-18 19:46:51 +01:00

375 lines
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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "src/core/nm-default-daemon.h"
#include "nm-device-vrf.h"
#include "libnm-core-intern/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"
#define _NMLOG_DEVICE_TYPE NMDeviceVrf
#include "nm-device-logging.h"
/*****************************************************************************/
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;);
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