1 /* $NetBSD: ipsecif.h,v 1.3 2019/11/01 04:28:14 knakahara Exp $ */ 2 3 /* 4 * Copyright (c) 2017 Internet Initiative Japan Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _NETIPSEC_IPSECIF_H_ 30 #define _NETIPSEC_IPSECIF_H_ 31 32 #include <net/if_ipsec.h> 33 34 #define IPSEC_TTL 64 35 #define IPSEC_HLIM 64 36 37 #ifdef _KERNEL 38 #ifdef INET6 39 extern int ip6_ipsec_hlim; 40 extern int ip6_ipsec_pmtu; 41 42 #define IPSEC_PMTU_SYSDEFAULT -1 /* Use system default value (ip6_gif_pmtu) */ 43 #define IPSEC_PMTU_MINMTU 0 /* Fragmented by IPV6_MINMTU */ 44 #define IPSEC_PMTU_OUTERMTU 1 /* Fragmented by Path MTU of outer path */ 45 #endif 46 47 int ipsecif4_encap_func(struct mbuf *, struct ip *, struct ipsec_variant *); 48 int ipsecif4_attach(struct ipsec_variant *); 49 int ipsecif4_detach(struct ipsec_variant *); 50 51 int ipsecif6_encap_func(struct mbuf *, struct ip6_hdr *, struct ipsec_variant *); 52 int ipsecif6_attach(struct ipsec_variant *); 53 int ipsecif6_detach(struct ipsec_variant *); 54 void *ipsecif6_ctlinput(int, const struct sockaddr *, void *, void *); 55 #endif 56 57 #endif /*_NETIPSEC_IPSECIF_H_*/ 58