1199767f8SToomas Soome /*- 2199767f8SToomas Soome * Copyright (c) 1982, 1986, 1993 3199767f8SToomas Soome * The Regents of the University of California. 4199767f8SToomas Soome * All rights reserved. 5199767f8SToomas Soome * 6199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 7199767f8SToomas Soome * modification, are permitted provided that the following conditions 8199767f8SToomas Soome * are met: 9199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 10199767f8SToomas Soome * notice, this list of conditions and the following disclaimer. 11199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 12199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 13199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 14199767f8SToomas Soome * 4. Neither the name of the University nor the names of its contributors 15199767f8SToomas Soome * may be used to endorse or promote products derived from this software 16199767f8SToomas Soome * without specific prior written permission. 17199767f8SToomas Soome * 18199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28199767f8SToomas Soome * SUCH DAMAGE. 29199767f8SToomas Soome * 30199767f8SToomas Soome * @(#)udp.h 8.1 (Berkeley) 6/10/93 31199767f8SToomas Soome * $FreeBSD$ 32199767f8SToomas Soome */ 33199767f8SToomas Soome 34199767f8SToomas Soome #ifndef _NETINET_UDP_H_ 35199767f8SToomas Soome #define _NETINET_UDP_H_ 36199767f8SToomas Soome 37199767f8SToomas Soome /* 38199767f8SToomas Soome * UDP protocol header. 39199767f8SToomas Soome * Per RFC 768, September, 1981. 40199767f8SToomas Soome */ 41199767f8SToomas Soome struct udphdr { 42199767f8SToomas Soome u_short uh_sport; /* source port */ 43199767f8SToomas Soome u_short uh_dport; /* destination port */ 44199767f8SToomas Soome u_short uh_ulen; /* udp length */ 45199767f8SToomas Soome u_short uh_sum; /* udp checksum */ 46199767f8SToomas Soome }; 47199767f8SToomas Soome 48*55fea89dSDan Cross /* 49199767f8SToomas Soome * User-settable options (used with setsockopt). 50199767f8SToomas Soome */ 51199767f8SToomas Soome #define UDP_ENCAP 1 52199767f8SToomas Soome 53199767f8SToomas Soome /* Start of reserved space for third-party user-settable options. */ 54199767f8SToomas Soome #define UDP_VENDOR SO_VENDOR 55199767f8SToomas Soome 56199767f8SToomas Soome /* 57199767f8SToomas Soome * UDP Encapsulation of IPsec Packets options. 58199767f8SToomas Soome */ 59199767f8SToomas Soome /* Encapsulation types. */ 60199767f8SToomas Soome #define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */ 61199767f8SToomas Soome #define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-02+ */ 62199767f8SToomas Soome 63199767f8SToomas Soome /* Default ESP in UDP encapsulation port. */ 64199767f8SToomas Soome #define UDP_ENCAP_ESPINUDP_PORT 500 65199767f8SToomas Soome 66199767f8SToomas Soome /* Maximum UDP fragment size for ESP over UDP. */ 67199767f8SToomas Soome #define UDP_ENCAP_ESPINUDP_MAXFRAGLEN 552 68199767f8SToomas Soome 69199767f8SToomas Soome #endif 70