1*10465441SEvalZero /** 2*10465441SEvalZero * @file 3*10465441SEvalZero * UDP protocol definitions 4*10465441SEvalZero */ 5*10465441SEvalZero 6*10465441SEvalZero /* 7*10465441SEvalZero * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 8*10465441SEvalZero * All rights reserved. 9*10465441SEvalZero * 10*10465441SEvalZero * Redistribution and use in source and binary forms, with or without modification, 11*10465441SEvalZero * are permitted provided that the following conditions are met: 12*10465441SEvalZero * 13*10465441SEvalZero * 1. Redistributions of source code must retain the above copyright notice, 14*10465441SEvalZero * this list of conditions and the following disclaimer. 15*10465441SEvalZero * 2. Redistributions in binary form must reproduce the above copyright notice, 16*10465441SEvalZero * this list of conditions and the following disclaimer in the documentation 17*10465441SEvalZero * and/or other materials provided with the distribution. 18*10465441SEvalZero * 3. The name of the author may not be used to endorse or promote products 19*10465441SEvalZero * derived from this software without specific prior written permission. 20*10465441SEvalZero * 21*10465441SEvalZero * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 22*10465441SEvalZero * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23*10465441SEvalZero * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 24*10465441SEvalZero * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25*10465441SEvalZero * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 26*10465441SEvalZero * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27*10465441SEvalZero * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28*10465441SEvalZero * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 29*10465441SEvalZero * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 30*10465441SEvalZero * OF SUCH DAMAGE. 31*10465441SEvalZero * 32*10465441SEvalZero * This file is part of the lwIP TCP/IP stack. 33*10465441SEvalZero * 34*10465441SEvalZero * Author: Adam Dunkels <[email protected]> 35*10465441SEvalZero * 36*10465441SEvalZero */ 37*10465441SEvalZero #ifndef LWIP_HDR_PROT_UDP_H 38*10465441SEvalZero #define LWIP_HDR_PROT_UDP_H 39*10465441SEvalZero 40*10465441SEvalZero #include "lwip/arch.h" 41*10465441SEvalZero 42*10465441SEvalZero #ifdef __cplusplus 43*10465441SEvalZero extern "C" { 44*10465441SEvalZero #endif 45*10465441SEvalZero 46*10465441SEvalZero #define UDP_HLEN 8 47*10465441SEvalZero 48*10465441SEvalZero /* Fields are (of course) in network byte order. */ 49*10465441SEvalZero #ifdef PACK_STRUCT_USE_INCLUDES 50*10465441SEvalZero # include "arch/bpstruct.h" 51*10465441SEvalZero #endif 52*10465441SEvalZero PACK_STRUCT_BEGIN 53*10465441SEvalZero struct udp_hdr { 54*10465441SEvalZero PACK_STRUCT_FIELD(u16_t src); 55*10465441SEvalZero PACK_STRUCT_FIELD(u16_t dest); /* src/dest UDP ports */ 56*10465441SEvalZero PACK_STRUCT_FIELD(u16_t len); 57*10465441SEvalZero PACK_STRUCT_FIELD(u16_t chksum); 58*10465441SEvalZero } PACK_STRUCT_STRUCT; 59*10465441SEvalZero PACK_STRUCT_END 60*10465441SEvalZero #ifdef PACK_STRUCT_USE_INCLUDES 61*10465441SEvalZero # include "arch/epstruct.h" 62*10465441SEvalZero #endif 63*10465441SEvalZero 64*10465441SEvalZero #ifdef __cplusplus 65*10465441SEvalZero } 66*10465441SEvalZero #endif 67*10465441SEvalZero 68*10465441SEvalZero #endif /* LWIP_HDR_PROT_UDP_H */ 69