From f6071ecf0cd3768eaed9a847f676433c120ea89e Mon Sep 17 00:00:00 2001 From: Sander Vrijders Date: Thu, 21 Sep 2017 14:26:51 +0200 Subject: ipcpd: normal: Add alternate hop PFF This adds a PFF that returns an alternate hop as next hop in case the hop that would have been returned is down. --- src/ipcpd/normal/pol/alternate_pff.h | 61 ++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/ipcpd/normal/pol/alternate_pff.h (limited to 'src/ipcpd/normal/pol/alternate_pff.h') diff --git a/src/ipcpd/normal/pol/alternate_pff.h b/src/ipcpd/normal/pol/alternate_pff.h new file mode 100644 index 00000000..8fa2d514 --- /dev/null +++ b/src/ipcpd/normal/pol/alternate_pff.h @@ -0,0 +1,61 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2017 + * + * Policy for PFF with alternate next hops + * + * Dimitri Staessens + * Sander Vrijders + * + * 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_ALTERNATE_PFF_H +#define OUROBOROS_IPCPD_NORMAL_ALTERNATE_PFF_H + +#include "pol-pff-ops.h" + +struct pff_i * alternate_pff_create(void); + +void alternate_pff_destroy(struct pff_i * pff_i); + +void alternate_pff_lock(struct pff_i * pff_i); + +void alternate_pff_unlock(struct pff_i * pff_i); + +int alternate_pff_add(struct pff_i * pff_i, + uint64_t addr, + int * fd, + size_t len); + +int alternate_pff_update(struct pff_i * pff_i, + uint64_t addr, + int * fd, + size_t len); + +int alternate_pff_del(struct pff_i * pff_i, + uint64_t addr); + +void alternate_pff_flush(struct pff_i * pff_i); + +/* Returns fd towards next hop */ +int alternate_pff_nhop(struct pff_i * pff_i, + uint64_t addr); + +int alternate_flow_state_change(struct pff_i * pff_i, + int fd, + bool up); + +struct pol_pff_ops alternate_pff_ops; + +#endif /* OUROBOROS_IPCPD_NORMAL_ALTERNATE_PFF_H */ -- cgit v1.2.3