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/*
* Ouroboros - Copyright (C) 2016 - 2020
*
* 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_UNICAST_PFF_H
#define OUROBOROS_IPCPD_UNICAST_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_UNICAST_PFF_H */
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