NetBSD/sys/netipsec/ipsecif.h

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/* $NetBSD: ipsecif.h,v 1.3 2019/11/01 04:28:14 knakahara Exp $ */
/*
* Copyright (c) 2017 Internet Initiative Japan Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _NETIPSEC_IPSECIF_H_
#define _NETIPSEC_IPSECIF_H_
#include <net/if_ipsec.h>
#define IPSEC_TTL 64
#define IPSEC_HLIM 64
#ifdef _KERNEL
#ifdef INET6
extern int ip6_ipsec_hlim;
extern int ip6_ipsec_pmtu;
#define IPSEC_PMTU_SYSDEFAULT -1 /* Use system default value (ip6_gif_pmtu) */
#define IPSEC_PMTU_MINMTU 0 /* Fragmented by IPV6_MINMTU */
#define IPSEC_PMTU_OUTERMTU 1 /* Fragmented by Path MTU of outer path */
#endif
int ipsecif4_encap_func(struct mbuf *, struct ip *, struct ipsec_variant *);
int ipsecif4_attach(struct ipsec_variant *);
int ipsecif4_detach(struct ipsec_variant *);
int ipsecif6_encap_func(struct mbuf *, struct ip6_hdr *, struct ipsec_variant *);
int ipsecif6_attach(struct ipsec_variant *);
int ipsecif6_detach(struct ipsec_variant *);
void *ipsecif6_ctlinput(int, const struct sockaddr *, void *, void *);
#endif
#endif /*_NETIPSEC_IPSECIF_H_*/