| /*- |
| * Copyright (c) 1982, 1986, 1993 |
| * The Regents of the University of California. |
| * 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. |
| * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. |
| * |
| * @(#)udp.h 8.1 (Berkeley) 6/10/93 |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _BSD_NETINET_UDP_H_ |
| #define _BSD_NETINET_UDP_H_ |
| |
| /* |
| * UDP protocol header. |
| * Per RFC 768, September, 1981. |
| */ |
| struct udphdr { |
| u_short uh_sport; /* source port */ |
| u_short uh_dport; /* destination port */ |
| u_short uh_ulen; /* udp length */ |
| u_short uh_sum; /* udp checksum */ |
| }; |
| |
| /* |
| * User-settable options (used with setsockopt). |
| */ |
| #define UDP_ENCAP 0x01 |
| |
| |
| /* |
| * UDP Encapsulation of IPsec Packets options. |
| */ |
| /* Encapsulation types. */ |
| #define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */ |
| #define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-02+ */ |
| |
| /* Default ESP in UDP encapsulation port. */ |
| #define UDP_ENCAP_ESPINUDP_PORT 500 |
| |
| /* Maximum UDP fragment size for ESP over UDP. */ |
| #define UDP_ENCAP_ESPINUDP_MAXFRAGLEN 552 |
| |
| #endif |
