Move tcpdump-3.9/ to tcpdump/. No need for a versioned dir.
[dragonfly.git] / contrib / tcpdump / esp.h
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1/* $NetBSD: esp.h,v 1.13 2000/09/26 08:37:38 itojun Exp $ */
2/* $KAME: esp.h,v 1.15 2000/09/20 18:15:22 itojun Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*
34 * RFC1827/2406 Encapsulated Security Payload.
35 */
36
37#ifndef _NETINET6_ESP_H_
38#define _NETINET6_ESP_H_
39
40struct esp {
41 u_int32_t esp_spi; /* ESP */
42 /*variable size, 32bit bound*/ /* Initialization Vector */
43 /*variable size*/ /* Payload data */
44 /*variable size*/ /* padding */
45 /*8bit*/ /* pad size */
46 /*8bit*/ /* next header */
47 /*8bit*/ /* next header */
48 /*variable size, 32bit bound*/ /* Authentication data (new IPsec) */
49};
50
51struct newesp {
52 u_int32_t esp_spi; /* ESP */
53 u_int32_t esp_seq; /* Sequence number */
54 /*variable size*/ /* (IV and) Payload data */
55 /*variable size*/ /* padding */
56 /*8bit*/ /* pad size */
57 /*8bit*/ /* next header */
58 /*8bit*/ /* next header */
59 /*variable size, 32bit bound*/ /* Authentication data */
60};
61
62struct esptail {
63 u_int8_t esp_padlen; /* pad length */
64 u_int8_t esp_nxt; /* Next header */
65 /*variable size, 32bit bound*/ /* Authentication data (new IPsec)*/
66};
67
68#endif /*_NETINET6_ESP_H_*/