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1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Definitions for the UDP protocol.
7 *
8 * Version: @(#)udp.h 1.0.2 04/28/93
9 *
10 * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version
15 * 2 of the License, or (at your option) any later version.
16 */
17#ifndef _UAPI_LINUX_UDP_H
18#define _UAPI_LINUX_UDP_H
19
20#include <linux/types.h>
21
22struct udphdr {
23 __be16 source;
24 __be16 dest;
25 __be16 len;
26 __sum16 check;
27};
28
29/* UDP socket options */
30#define UDP_CORK 1 /* Never send partially complete segments */
31#define UDP_ENCAP 100 /* Set the socket to accept encapsulated packets */
32
33/* UDP encapsulation types */
34#define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */
35#define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-06 */
36#define UDP_ENCAP_L2TPINUDP 3 /* rfc2661 */
37
38
39#endif /* _UAPI_LINUX_UDP_H */