1/*-
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 4. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * @(#)udp.h 8.1 (Berkeley) 6/10/93
31 * $FreeBSD: head/sys/netinet/udp.h 217126 2011-01-07 21:40:34Z jhb $
32 */
33
34#ifndef _NETINET_UDP_H_
35#define _NETINET_UDP_H_
36
37/*
38 * UDP protocol header.
39 * Per RFC 768, September, 1981.
40 */
41struct udphdr {
42 u_short uh_sport; /* source port */
43 u_short uh_dport; /* destination port */
44 u_short uh_ulen; /* udp length */
45 u_short uh_sum; /* udp checksum */
46};
47
48/*
49 * User-settable options (used with setsockopt).
50 */
51#define UDP_ENCAP 0x01
52
53
54/*
55 * UDP Encapsulation of IPsec Packets options.
56 */
57/* Encapsulation types. */
58#define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */
59#define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-02+ */
60
61/* Default ESP in UDP encapsulation port. */
62#define UDP_ENCAP_ESPINUDP_PORT 500
63
64/* Maximum UDP fragment size for ESP over UDP. */
65#define UDP_ENCAP_ESPINUDP_MAXFRAGLEN 552
66
67#endif
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 4. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * @(#)udp.h 8.1 (Berkeley) 6/10/93
31 * $FreeBSD: head/sys/netinet/udp.h 217126 2011-01-07 21:40:34Z jhb $
32 */
33
34#ifndef _NETINET_UDP_H_
35#define _NETINET_UDP_H_
36
37/*
38 * UDP protocol header.
39 * Per RFC 768, September, 1981.
40 */
41struct udphdr {
42 u_short uh_sport; /* source port */
43 u_short uh_dport; /* destination port */
44 u_short uh_ulen; /* udp length */
45 u_short uh_sum; /* udp checksum */
46};
47
48/*
49 * User-settable options (used with setsockopt).
50 */
51#define UDP_ENCAP 0x01
52
53
54/*
55 * UDP Encapsulation of IPsec Packets options.
56 */
57/* Encapsulation types. */
58#define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */
59#define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-02+ */
60
61/* Default ESP in UDP encapsulation port. */
62#define UDP_ENCAP_ESPINUDP_PORT 500
63
64/* Maximum UDP fragment size for ESP over UDP. */
65#define UDP_ENCAP_ESPINUDP_MAXFRAGLEN 552
66
67#endif