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/* Kernel specific RFC 2367 - SADB algorithm routines, for libreswan
*
* Copyright (C) 2018 Andrew Cagney
*
* 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 2 of the License, or (at your
* option) any later version. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* 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.
*/
#ifndef KERNEL_SADB_H
#define KERNEL_SADB_H
#include <stddef.h> /* for size_t */
struct sadb_msg;
struct sadb_alg;
/*
* Helper routines for code following RFC 2367 - PF_KEY - when
* manipulating the kernel.
*
* This file is deliberately called ..._sadb and _not_ PF_KEY because:
*
* - all relevant structures have SADB as a prefix
*
* - PF_KEY can mean many things - the BSDs ship with a library while
* linux seems to use code bundled with pluto
*
* - kernel_pfkey.[hc] is already taken
*/
/*
* Multiplier for converting .sadb_msg_len (in 64-bit words) to
* size_t.
*/
#define KERNEL_SADB_WORD_SIZE (64/8)
/* Registration messages from pluto */
extern void kernel_add_sadb_algs(const struct sadb_msg *msg, size_t sizeof_msg);
extern void kernel_add_sadb_alg(int satype, int exttype, const struct sadb_alg *sadb_alg);
#endif
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