16c1346b9a
Thanks to (no special order) Emmanuel Dreyfus (manu@netbsd.org), Larry Baird (lab@gta.com), gnn, bz, and other FreeBSD devs, Julien Vanherzeele (julien.vanherzeele@netasq.com, for years of bug reporting), the PFSense team, and all people who used / tried the NAT-T patch for years and reported bugs, patches, etc... X-MFC: never Reviewed by: bz Approved by: gnn(mentor) Obtained from: NETASQ
68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/*-
|
|
* 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 _NETINET_UDP_H_
|
|
#define _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
|