1c398230bSWarner Losh /*- 251369649SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause 351369649SPedro F. Giffuni * 4df8bae1dSRodney W. Grimes * Copyright (c) 1982, 1986, 1993 53329b236SRobert Watson * The Regents of the University of California. 63329b236SRobert Watson * All rights reserved. 7df8bae1dSRodney W. Grimes * 8df8bae1dSRodney W. Grimes * Redistribution and use in source and binary forms, with or without 9df8bae1dSRodney W. Grimes * modification, are permitted provided that the following conditions 10df8bae1dSRodney W. Grimes * are met: 11df8bae1dSRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 12df8bae1dSRodney W. Grimes * notice, this list of conditions and the following disclaimer. 13df8bae1dSRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 14df8bae1dSRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 15df8bae1dSRodney W. Grimes * documentation and/or other materials provided with the distribution. 16fbbd9655SWarner Losh * 3. Neither the name of the University nor the names of its contributors 17df8bae1dSRodney W. Grimes * may be used to endorse or promote products derived from this software 18df8bae1dSRodney W. Grimes * without specific prior written permission. 19df8bae1dSRodney W. Grimes * 20df8bae1dSRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21df8bae1dSRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22df8bae1dSRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23df8bae1dSRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24df8bae1dSRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25df8bae1dSRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26df8bae1dSRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27df8bae1dSRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28df8bae1dSRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29df8bae1dSRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30df8bae1dSRodney W. Grimes * SUCH DAMAGE. 31df8bae1dSRodney W. Grimes */ 32df8bae1dSRodney W. Grimes 33707f139eSPaul Richards #ifndef _NETINET_UDP_H_ 34707f139eSPaul Richards #define _NETINET_UDP_H_ 35707f139eSPaul Richards 36*aa70361dSKristof Provost #include <sys/types.h> 37*aa70361dSKristof Provost 38df8bae1dSRodney W. Grimes /* 393329b236SRobert Watson * UDP protocol header. 40df8bae1dSRodney W. Grimes * Per RFC 768, September, 1981. 41df8bae1dSRodney W. Grimes */ 42df8bae1dSRodney W. Grimes struct udphdr { 43df8bae1dSRodney W. Grimes u_short uh_sport; /* source port */ 44df8bae1dSRodney W. Grimes u_short uh_dport; /* destination port */ 45430d30d8SBill Fenner u_short uh_ulen; /* udp length */ 46df8bae1dSRodney W. Grimes u_short uh_sum; /* udp checksum */ 47df8bae1dSRodney W. Grimes }; 48707f139eSPaul Richards 497b495c44SVANHULLEBUS Yvan /* 507b495c44SVANHULLEBUS Yvan * User-settable options (used with setsockopt). 517b495c44SVANHULLEBUS Yvan */ 521d77fa5aSJohn Baldwin #define UDP_ENCAP 1 537b495c44SVANHULLEBUS Yvan 540d25fab4SJohn Baldwin /* Start of reserved space for third-party user-settable options. */ 550d25fab4SJohn Baldwin #define UDP_VENDOR SO_VENDOR 567b495c44SVANHULLEBUS Yvan 577b495c44SVANHULLEBUS Yvan /* 587b495c44SVANHULLEBUS Yvan * UDP Encapsulation of IPsec Packets options. 597b495c44SVANHULLEBUS Yvan */ 607b495c44SVANHULLEBUS Yvan /* Encapsulation types. */ 617b495c44SVANHULLEBUS Yvan #define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */ 62fcf59617SAndrey V. Elsukov #define UDP_ENCAP_ESPINUDP 2 /* RFC3948 */ 637b495c44SVANHULLEBUS Yvan 647b495c44SVANHULLEBUS Yvan /* Default ESP in UDP encapsulation port. */ 657b495c44SVANHULLEBUS Yvan #define UDP_ENCAP_ESPINUDP_PORT 500 667b495c44SVANHULLEBUS Yvan 677b495c44SVANHULLEBUS Yvan /* Maximum UDP fragment size for ESP over UDP. */ 687b495c44SVANHULLEBUS Yvan #define UDP_ENCAP_ESPINUDP_MAXFRAGLEN 552 697b495c44SVANHULLEBUS Yvan 70707f139eSPaul Richards #endif 71