diff options
Diffstat (limited to 'src/ipcpd/unicast/pol/pft.h')
-rw-r--r-- | src/ipcpd/unicast/pol/pft.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/ipcpd/unicast/pol/pft.h b/src/ipcpd/unicast/pol/pft.h new file mode 100644 index 00000000..aed4dba8 --- /dev/null +++ b/src/ipcpd/unicast/pol/pft.h @@ -0,0 +1,55 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2020 + * + * Packet forwarding table (PFT) with chaining on collisions + * + * 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_PFT_H +#define OUROBOROS_PFT_H + +#include <stdint.h> +#include <stdbool.h> +#include <stdlib.h> + +struct pft; + +/* Buckets is rounded up to the nearest power of 2 */ +struct pft * pft_create(uint64_t buckets, + bool hash_key); + +void pft_destroy(struct pft * table); + +void pft_flush(struct pft * table); + +/* Passes ownership of the block of memory */ +int pft_insert(struct pft * pft, + uint64_t dst, + int * fds, + size_t len); + +/* The block of memory returned is no copy */ +int pft_lookup(struct pft * pft, + uint64_t dst, + int ** fds, + size_t * len); + +int pft_delete(struct pft * pft, + uint64_t dst); + +#endif /* OUROBOROS_PFT_H */ |