1*53ee8cc1Swenshuai.xi /* 2*53ee8cc1Swenshuai.xi * INET An implementation of the TCP/IP protocol suite for the LINUX 3*53ee8cc1Swenshuai.xi * operating system. INET is implemented using the BSD Socket 4*53ee8cc1Swenshuai.xi * interface as the means of communication with the user level. 5*53ee8cc1Swenshuai.xi * 6*53ee8cc1Swenshuai.xi * Definitions for the UDP protocol. 7*53ee8cc1Swenshuai.xi * 8*53ee8cc1Swenshuai.xi * Version: @(#)udp.h 1.0.2 04/28/93 9*53ee8cc1Swenshuai.xi * 10*53ee8cc1Swenshuai.xi * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 11*53ee8cc1Swenshuai.xi * 12*53ee8cc1Swenshuai.xi * This program is free software; you can redistribute it and/or 13*53ee8cc1Swenshuai.xi * modify it under the terms of the GNU General Public License 14*53ee8cc1Swenshuai.xi * as published by the Free Software Foundation; either version 15*53ee8cc1Swenshuai.xi * 2 of the License, or (at your option) any later version. 16*53ee8cc1Swenshuai.xi */ 17*53ee8cc1Swenshuai.xi #ifndef _LINUX_UDP_H 18*53ee8cc1Swenshuai.xi #define _LINUX_UDP_H 19*53ee8cc1Swenshuai.xi 20*53ee8cc1Swenshuai.xi #include <linux/types.h> 21*53ee8cc1Swenshuai.xi 22*53ee8cc1Swenshuai.xi struct udphdr { 23*53ee8cc1Swenshuai.xi __be16 source; 24*53ee8cc1Swenshuai.xi __be16 dest; 25*53ee8cc1Swenshuai.xi __be16 len; 26*53ee8cc1Swenshuai.xi __sum16 check; 27*53ee8cc1Swenshuai.xi }; 28*53ee8cc1Swenshuai.xi 29*53ee8cc1Swenshuai.xi /* UDP socket options */ 30*53ee8cc1Swenshuai.xi #define UDP_CORK 1 /* Never send partially complete segments */ 31*53ee8cc1Swenshuai.xi #define UDP_ENCAP 100 /* Set the socket to accept encapsulated packets */ 32*53ee8cc1Swenshuai.xi 33*53ee8cc1Swenshuai.xi /* UDP encapsulation types */ 34*53ee8cc1Swenshuai.xi #define UDP_ENCAP_ESPINUDP_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */ 35*53ee8cc1Swenshuai.xi #define UDP_ENCAP_ESPINUDP 2 /* draft-ietf-ipsec-udp-encaps-06 */ 36*53ee8cc1Swenshuai.xi #define UDP_ENCAP_L2TPINUDP 3 /* rfc2661 */ 37*53ee8cc1Swenshuai.xi 38*53ee8cc1Swenshuai.xi 39*53ee8cc1Swenshuai.xi #endif /* _LINUX_UDP_H */ 40