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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2017 Red Hat, Inc.
*/
#include "src/core/nm-default-daemon.h"
#include "nm-device-ovs-port.h"
#include "nm-device-ovs-interface.h"
#include "nm-device-ovs-bridge.h"
#include "nm-ovsdb.h"
#include "devices/nm-device-private.h"
#include "nm-active-connection.h"
#include "nm-setting-connection.h"
#include "nm-setting-ovs-port.h"
#include "nm-setting-ovs-port.h"
#define _NMLOG_DEVICE_TYPE NMDeviceOvsPort
#include "devices/nm-device-logging.h"
/*****************************************************************************/
struct _NMDeviceOvsPort {
NMDevice parent;
};
struct _NMDeviceOvsPortClass {
NMDeviceClass parent;
};
G_DEFINE_TYPE(NMDeviceOvsPort, nm_device_ovs_port, NM_TYPE_DEVICE)
/*****************************************************************************/
static const char *
get_type_description(NMDevice *device)
{
return "ovs-port";
}
static gboolean
create_and_realize(NMDevice *device,
NMConnection *connection,
NMDevice *parent,
const NMPlatformLink **out_plink,
GError **error)
{
/* The port will be added to ovsdb when an interface is enslaved,
* because there's no such thing like an empty port. */
return TRUE;
}
static NMDeviceCapabilities
get_generic_capabilities(NMDevice *device)
{
return NM_DEVICE_CAP_IS_SOFTWARE;
}
static gboolean
ready_for_ip_config(NMDevice *device)
{
return FALSE;
}
static void
act_stage3_ip_config(NMDevice *device, int addr_family)
{
nm_device_devip_set_state(device, addr_family, NM_DEVICE_IP_STATE_READY, NULL);
}
static void
add_iface_cb(GError *error, gpointer user_data)
{
NMDevice *slave = user_data;
if (error && !g_error_matches(error, NM_UTILS_ERROR, NM_UTILS_ERROR_CANCELLED_DISPOSING)) {
nm_log_warn(LOGD_DEVICE,
"device %s could not be added to a ovs port: %s",
nm_device_get_iface(slave),
error->message);
nm_device_state_changed(slave, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_OVSDB_FAILED);
}
g_object_unref(slave);
}
static gboolean
enslave_slave(NMDevice *device, NMDevice *slave, NMConnection *connection, gboolean configure)
{
NMDeviceOvsPort *self = NM_DEVICE_OVS_PORT(device);
NMActiveConnection *ac_port = NULL;
NMActiveConnection *ac_bridge = NULL;
NMDevice *bridge_device;
if (!configure)
return TRUE;
ac_port = NM_ACTIVE_CONNECTION(nm_device_get_act_request(device));
ac_bridge = nm_active_connection_get_master(ac_port);
if (!ac_bridge) {
_LOGW(LOGD_DEVICE,
"can't enslave %s: bridge active-connection not found",
nm_device_get_iface(slave));
return FALSE;
}
bridge_device = nm_active_connection_get_device(ac_bridge);
if (!bridge_device) {
_LOGW(LOGD_DEVICE, "can't enslave %s: bridge device not found", nm_device_get_iface(slave));
return FALSE;
}
nm_ovsdb_add_interface(nm_ovsdb_get(),
nm_active_connection_get_applied_connection(ac_bridge),
nm_device_get_applied_connection(device),
nm_device_get_applied_connection(slave),
bridge_device,
slave,
add_iface_cb,
g_object_ref(slave));
return TRUE;
}
static void
del_iface_cb(GError *error, gpointer user_data)
{
NMDevice *slave = user_data;
if (error && !g_error_matches(error, NM_UTILS_ERROR, NM_UTILS_ERROR_CANCELLED_DISPOSING)) {
nm_log_warn(LOGD_DEVICE,
"device %s could not be removed from a ovs port: %s",
nm_device_get_iface(slave),
error->message);
nm_device_state_changed(slave, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_OVSDB_FAILED);
}
g_object_unref(slave);
}
static void
release_slave(NMDevice *device, NMDevice *slave, gboolean configure)
{
NMDeviceOvsPort *self = NM_DEVICE_OVS_PORT(device);
bool slave_removed = nm_device_sys_iface_state_get(slave) == NM_DEVICE_SYS_IFACE_STATE_REMOVED;
_LOGI(LOGD_DEVICE, "releasing ovs interface %s", nm_device_get_ip_iface(slave));
/* Even if the an interface's device has gone away (e.g. externally
* removed and thus we're called with configure=FALSE), we still need
* to make sure its OVSDB entry is gone.
*/
if (configure || slave_removed) {
nm_ovsdb_del_interface(nm_ovsdb_get(),
nm_device_get_iface(slave),
del_iface_cb,
g_object_ref(slave));
}
if (configure) {
/* Open VSwitch is going to delete this one. We must ignore what happens
* next with the interface. */
if (NM_IS_DEVICE_OVS_INTERFACE(slave))
nm_device_update_from_platform_link(slave, NULL);
}
}
/*****************************************************************************/
static void
nm_device_ovs_port_init(NMDeviceOvsPort *self)
{}
static const NMDBusInterfaceInfoExtended interface_info_device_ovs_port = {
.parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT(
NM_DBUS_INTERFACE_DEVICE_OVS_PORT,
.properties = NM_DEFINE_GDBUS_PROPERTY_INFOS(
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Slaves", "ao", NM_DEVICE_SLAVES), ), ),
};
static void
nm_device_ovs_port_class_init(NMDeviceOvsPortClass *klass)
{
NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass);
NMDeviceClass *device_class = NM_DEVICE_CLASS(klass);
dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_device_ovs_port);
device_class->connection_type_supported = NM_SETTING_OVS_PORT_SETTING_NAME;
device_class->connection_type_check_compatible = NM_SETTING_OVS_PORT_SETTING_NAME;
device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES();
device_class->is_master = TRUE;
device_class->get_type_description = get_type_description;
device_class->create_and_realize = create_and_realize;
device_class->get_generic_capabilities = get_generic_capabilities;
device_class->act_stage3_ip_config = act_stage3_ip_config;
device_class->ready_for_ip_config = ready_for_ip_config;
device_class->enslave_slave = enslave_slave;
device_class->release_slave = release_slave;
device_class->can_reapply_change_ovs_external_ids = TRUE;
device_class->reapply_connection = nm_device_ovs_reapply_connection;
}
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