130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * INET An implementation of the TCP/IP protocol suite for the LINUX 330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * operating system. INET is implemented using the BSD Socket 430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * interface as the means of communication with the user level. 530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Definitions for the UDP protocol. 730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Version: @(#)udp.h 1.0.2 04/28/93 930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 1030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 1130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 1230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This program is free software; you can redistribute it and/or 1330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * modify it under the terms of the GNU General Public License 1430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * as published by the Free Software Foundation; either version 1530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 2 of the License, or (at your option) any later version. 1630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 1730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#ifndef _UAPI_LINUX_UDP_H 1830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define _UAPI_LINUX_UDP_H 1930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 2030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <linux/types.h> 2130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 2230692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct udphdr { 2330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __be16 source; 2430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __be16 dest; 2530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __be16 len; 2630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __sum16 check; 2730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 2830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 2930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* UDP socket options */ 3030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define UDP_CORK 1 /* Never send partially complete segments */ 3130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define UDP_ENCAP 100 /* Set the socket to accept encapsulated packets */ 3230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* UDP encapsulation types */ 3430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */ 3530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-06 */ 3630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define UDP_ENCAP_L2TPINUDP 3 /* rfc2661 */ 3730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif /* _UAPI_LINUX_UDP_H */ 40