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ip_encap.h revision 1.5.4.1
      1  1.5.4.1    kent /*	$NetBSD: ip_encap.h,v 1.5.4.1 2005/04/29 11:29:33 kent Exp $	*/
      2      1.1  itojun /*	$KAME: ip_encap.h,v 1.7 2000/03/25 07:23:37 sumikawa Exp $	*/
      3      1.1  itojun 
      4      1.1  itojun /*
      5      1.1  itojun  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
      6      1.1  itojun  * All rights reserved.
      7      1.1  itojun  *
      8      1.1  itojun  * Redistribution and use in source and binary forms, with or without
      9      1.1  itojun  * modification, are permitted provided that the following conditions
     10      1.1  itojun  * are met:
     11      1.1  itojun  * 1. Redistributions of source code must retain the above copyright
     12      1.1  itojun  *    notice, this list of conditions and the following disclaimer.
     13      1.1  itojun  * 2. Redistributions in binary form must reproduce the above copyright
     14      1.1  itojun  *    notice, this list of conditions and the following disclaimer in the
     15      1.1  itojun  *    documentation and/or other materials provided with the distribution.
     16      1.1  itojun  * 3. Neither the name of the project nor the names of its contributors
     17      1.1  itojun  *    may be used to endorse or promote products derived from this software
     18      1.1  itojun  *    without specific prior written permission.
     19      1.1  itojun  *
     20      1.1  itojun  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     21      1.1  itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22      1.1  itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23      1.1  itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     24      1.1  itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25      1.1  itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26      1.1  itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27      1.1  itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28      1.1  itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29      1.1  itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30      1.1  itojun  * SUCH DAMAGE.
     31      1.1  itojun  */
     32      1.1  itojun 
     33      1.1  itojun #ifndef _NETINET_IP_ENCAP_H_
     34      1.1  itojun #define _NETINET_IP_ENCAP_H_
     35      1.1  itojun 
     36      1.1  itojun #ifdef _KERNEL
     37      1.1  itojun 
     38      1.2  itojun #ifndef RNF_NORMAL
     39      1.2  itojun #include <net/radix.h>
     40      1.2  itojun #endif
     41      1.2  itojun 
     42      1.1  itojun struct encaptab {
     43      1.2  itojun 	struct radix_node nodes[2];
     44      1.1  itojun 	LIST_ENTRY(encaptab) chain;
     45      1.1  itojun 	int af;
     46      1.1  itojun 	int proto;			/* -1: don't care, I'll check myself */
     47      1.2  itojun 	struct sockaddr *addrpack;	/* malloc'ed, for radix lookup */
     48      1.2  itojun 	struct sockaddr *maskpack;	/* ditto */
     49      1.2  itojun 	struct sockaddr *src;		/* my addr */
     50      1.2  itojun 	struct sockaddr *srcmask;
     51      1.2  itojun 	struct sockaddr *dst;		/* remote addr */
     52      1.2  itojun 	struct sockaddr *dstmask;
     53      1.4    matt 	int (*func) (const struct mbuf *, int, int, void *);
     54      1.1  itojun 	const struct protosw *psw;	/* only pr_input will be used */
     55      1.3  itojun 	void *arg;			/* passed via PACKET_TAG_ENCAP */
     56      1.1  itojun };
     57      1.1  itojun 
     58  1.5.4.1    kent void	encap_setkeylen(void);
     59  1.5.4.1    kent void	encap_init(void);
     60  1.5.4.1    kent void	encap4_input(struct mbuf *, ...);
     61  1.5.4.1    kent int	encap6_input(struct mbuf **, int *, int);
     62  1.5.4.1    kent const struct encaptab *encap_attach(int, int, const struct sockaddr *,
     63      1.1  itojun 	const struct sockaddr *, const struct sockaddr *,
     64  1.5.4.1    kent 	const struct sockaddr *, const struct protosw *, void *);
     65  1.5.4.1    kent const struct encaptab *encap_attach_func(int, int,
     66  1.5.4.1    kent 	int (*)(const struct mbuf *, int, int, void *),
     67  1.5.4.1    kent 	const struct protosw *, void *);
     68  1.5.4.1    kent void	encap6_ctlinput(int, struct sockaddr *, void *);
     69  1.5.4.1    kent int	encap_detach(const struct encaptab *);
     70  1.5.4.1    kent void	*encap_getarg(struct mbuf *);
     71      1.1  itojun #endif
     72      1.1  itojun 
     73      1.1  itojun #endif /*_NETINET_IP_ENCAP_H_*/
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