1 /* $FreeBSD: src/sys/netinet/ip_encap.h,v 1.1.2.2 2002/11/20 23:20:54 luigi Exp $ */ 2 /* $DragonFly: src/sys/netinet/ip_encap.h,v 1.3 2004/06/03 18:30:03 joerg Exp $ */ 3 /* $KAME: ip_encap.h,v 1.7 2000/03/25 07:23:37 sumikawa Exp $ */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef _NETINET_IP_ENCAP_H_ 35 #define _NETINET_IP_ENCAP_H_ 36 37 #ifdef _KERNEL 38 39 struct encaptab { 40 LIST_ENTRY(encaptab) chain; 41 int af; 42 int proto; /* -1: don't care, I'll check myself */ 43 struct sockaddr_storage src; /* my addr */ 44 struct sockaddr_storage srcmask; 45 struct sockaddr_storage dst; /* remote addr */ 46 struct sockaddr_storage dstmask; 47 int (*func)(const struct mbuf *, int, int, void *); 48 const struct protosw *psw; /* only pr_input will be used */ 49 void *arg; /* passed via m->m_pkthdr.aux */ 50 }; 51 52 void encap_init(void); 53 void encap4_input(struct mbuf *, ...); 54 int encap6_input(struct mbuf **, int *, int); 55 const struct encaptab *encap_attach(int, int, const struct sockaddr *, 56 const struct sockaddr *, const struct sockaddr *, 57 const struct sockaddr *, const struct protosw *, void *); 58 const struct encaptab *encap_attach_func(int, int, 59 int (*)(const struct mbuf *, int, int, void *), 60 const struct protosw *, void *); 61 int encap_detach(const struct encaptab *); 62 void *encap_getarg(struct mbuf *); 63 #endif 64 65 #endif /*_NETINET_IP_ENCAP_H_*/ 66