91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/* $NetBSD: ip_encap.h,v 1.13 2008/11/25 18:28:05 pooka Exp $ */
|
|
/* $KAME: ip_encap.h,v 1.7 2000/03/25 07:23:37 sumikawa Exp $ */
|
|
|
|
/*
|
|
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
|
* 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.
|
|
* 3. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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 _NETINET_IP_ENCAP_H_
|
|
#define _NETINET_IP_ENCAP_H_
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#ifndef RNF_NORMAL
|
|
#include <net/radix.h>
|
|
#endif
|
|
|
|
struct encaptab {
|
|
struct radix_node nodes[2];
|
|
LIST_ENTRY(encaptab) chain;
|
|
int af;
|
|
int proto; /* -1: don't care, I'll check myself */
|
|
struct sockaddr *addrpack; /* malloc'ed, for radix lookup */
|
|
struct sockaddr *maskpack; /* ditto */
|
|
struct sockaddr *src; /* my addr */
|
|
struct sockaddr *srcmask;
|
|
struct sockaddr *dst; /* remote addr */
|
|
struct sockaddr *dstmask;
|
|
int (*func) (struct mbuf *, int, int, void *);
|
|
const struct protosw *psw; /* only pr_input will be used */
|
|
void *arg; /* passed via PACKET_TAG_ENCAP */
|
|
};
|
|
|
|
/* to lookup a pair of address using radix tree */
|
|
struct sockaddr_pack {
|
|
u_int8_t sp_len;
|
|
u_int8_t sp_family; /* not really used */
|
|
/* followed by variable-length data */
|
|
};
|
|
|
|
struct ip_pack4 {
|
|
struct sockaddr_pack p;
|
|
struct sockaddr_in mine;
|
|
struct sockaddr_in yours;
|
|
};
|
|
struct ip_pack6 {
|
|
struct sockaddr_pack p;
|
|
struct sockaddr_in6 mine;
|
|
struct sockaddr_in6 yours;
|
|
};
|
|
|
|
void encap_init(void);
|
|
void encap4_input(struct mbuf *, ...);
|
|
int encap6_input(struct mbuf **, int *, int);
|
|
const struct encaptab *encap_attach(int, int, const struct sockaddr *,
|
|
const struct sockaddr *, const struct sockaddr *,
|
|
const struct sockaddr *, const struct protosw *, void *);
|
|
const struct encaptab *encap_attach_func(int, int,
|
|
int (*)(struct mbuf *, int, int, void *),
|
|
const struct protosw *, void *);
|
|
void *encap6_ctlinput(int, const struct sockaddr *, void *);
|
|
int encap_detach(const struct encaptab *);
|
|
void *encap_getarg(struct mbuf *);
|
|
#endif
|
|
|
|
#endif /* !_NETINET_IP_ENCAP_H_ */
|