VILLASnode/include/villas/kernel/nl.h

/** Netlink related functions.
 *
 * @file
 * @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
 * @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
 * @license GNU General Public License (version 3)
 *
 * VILLASnode
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *********************************************************************************/

/** @addtogroup fpga Kernel @{ */

#pragma once

#include <netlink/netlink.h>
#include <netlink/route/route.h>
#include <netlink/route/link.h>

/** Get index of outgoing interface for given destination address.
 *
 * @retval >=0 Interface index of outgoing interface.
 * @retval <0 Error. Something went wrong.
 */
int nl_get_egress(struct nl_addr *addr);

/** Get or create global netlink socket. */
struct nl_sock * nl_init();

/** Close and free global netlink socket. */
void nl_shutdown();

/** @} */