/** Netlink related functions. * * @file * @author Steffen Vogel * @copyright 2014-2020, 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 . *********************************************************************************/ /** @addtogroup kernel Kernel * @{ */ #pragma once #include #include #include #include namespace villas { namespace kernel { namespace nl { /** Get index of outgoing interface for given destination address. * * @retval >=0 Interface index of outgoing interface. * @retval <0 Error. Something went wrong. */ int get_egress(struct nl_addr *addr); /** Lookup routing tables to get the interface on which packets for a certain destination * will leave the system. * * @param[in] sa The destination address for outgoing packets. * @param[out] link The egress interface. * @retval 0 Success. Everything went well. * @retval <0 Error. Something went wrong. */ struct rtnl_link * get_egress_link(struct sockaddr *sa); /** Get or create global netlink socket. */ struct nl_sock * init(); /** Close and free global netlink socket. */ void shutdown(); } /* namespace nl */ } /* namespace kernel */ } /* namespace villas */ /** @} */