/* * Ouroboros - Copyright (C) 2016 - 2017 * * PDU Forwarding Function * * Dimitri Staessens <dimitri.staessens@ugent.be> * Sander Vrijders <sander.vrijders@ugent.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * 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, write to the Free Software * Foundation, Inc., http://www.fsf.org/about/contact/. */ #ifndef OUROBOROS_IPCPD_NORMAL_PFF_H #define OUROBOROS_IPCPD_NORMAL_PFF_H #include <ouroboros/ipcp.h> #include <stdint.h> #include <stdlib.h> #include <stdbool.h> struct pff * pff_create(enum pol_pff pol); void pff_destroy(struct pff * pff); void pff_lock(struct pff * pff); void pff_unlock(struct pff * pff); int pff_add(struct pff * pff, uint64_t addr, int * fd, size_t len); int pff_update(struct pff * pff, uint64_t addr, int * fd, size_t len); int pff_del(struct pff * pff, uint64_t addr); void pff_flush(struct pff * pff); /* Returns fd towards next hop */ int pff_nhop(struct pff * pff, uint64_t addr); int pff_flow_state_change(struct pff * pff, int fd, bool up); #endif /* OUROBOROS_IPCPD_NORMAL_PFF_H */