1*5d5fbe79SDavid van Moolenbroek /** 2*5d5fbe79SDavid van Moolenbroek * @file 3*5d5fbe79SDavid van Moolenbroek * UDP protocol definitions 4*5d5fbe79SDavid van Moolenbroek */ 5*5d5fbe79SDavid van Moolenbroek 6*5d5fbe79SDavid van Moolenbroek /* 7*5d5fbe79SDavid van Moolenbroek * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 8*5d5fbe79SDavid van Moolenbroek * All rights reserved. 9*5d5fbe79SDavid van Moolenbroek * 10*5d5fbe79SDavid van Moolenbroek * Redistribution and use in source and binary forms, with or without modification, 11*5d5fbe79SDavid van Moolenbroek * are permitted provided that the following conditions are met: 12*5d5fbe79SDavid van Moolenbroek * 13*5d5fbe79SDavid van Moolenbroek * 1. Redistributions of source code must retain the above copyright notice, 14*5d5fbe79SDavid van Moolenbroek * this list of conditions and the following disclaimer. 15*5d5fbe79SDavid van Moolenbroek * 2. Redistributions in binary form must reproduce the above copyright notice, 16*5d5fbe79SDavid van Moolenbroek * this list of conditions and the following disclaimer in the documentation 17*5d5fbe79SDavid van Moolenbroek * and/or other materials provided with the distribution. 18*5d5fbe79SDavid van Moolenbroek * 3. The name of the author may not be used to endorse or promote products 19*5d5fbe79SDavid van Moolenbroek * derived from this software without specific prior written permission. 20*5d5fbe79SDavid van Moolenbroek * 21*5d5fbe79SDavid van Moolenbroek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 22*5d5fbe79SDavid van Moolenbroek * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23*5d5fbe79SDavid van Moolenbroek * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 24*5d5fbe79SDavid van Moolenbroek * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25*5d5fbe79SDavid van Moolenbroek * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 26*5d5fbe79SDavid van Moolenbroek * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27*5d5fbe79SDavid van Moolenbroek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28*5d5fbe79SDavid van Moolenbroek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 29*5d5fbe79SDavid van Moolenbroek * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 30*5d5fbe79SDavid van Moolenbroek * OF SUCH DAMAGE. 31*5d5fbe79SDavid van Moolenbroek * 32*5d5fbe79SDavid van Moolenbroek * This file is part of the lwIP TCP/IP stack. 33*5d5fbe79SDavid van Moolenbroek * 34*5d5fbe79SDavid van Moolenbroek * Author: Adam Dunkels <adam@sics.se> 35*5d5fbe79SDavid van Moolenbroek * 36*5d5fbe79SDavid van Moolenbroek */ 37*5d5fbe79SDavid van Moolenbroek #ifndef LWIP_HDR_PROT_UDP_H 38*5d5fbe79SDavid van Moolenbroek #define LWIP_HDR_PROT_UDP_H 39*5d5fbe79SDavid van Moolenbroek 40*5d5fbe79SDavid van Moolenbroek #include "lwip/arch.h" 41*5d5fbe79SDavid van Moolenbroek 42*5d5fbe79SDavid van Moolenbroek #ifdef __cplusplus 43*5d5fbe79SDavid van Moolenbroek extern "C" { 44*5d5fbe79SDavid van Moolenbroek #endif 45*5d5fbe79SDavid van Moolenbroek 46*5d5fbe79SDavid van Moolenbroek #define UDP_HLEN 8 47*5d5fbe79SDavid van Moolenbroek 48*5d5fbe79SDavid van Moolenbroek /* Fields are (of course) in network byte order. */ 49*5d5fbe79SDavid van Moolenbroek #ifdef PACK_STRUCT_USE_INCLUDES 50*5d5fbe79SDavid van Moolenbroek # include "arch/bpstruct.h" 51*5d5fbe79SDavid van Moolenbroek #endif 52*5d5fbe79SDavid van Moolenbroek PACK_STRUCT_BEGIN 53*5d5fbe79SDavid van Moolenbroek struct udp_hdr { 54*5d5fbe79SDavid van Moolenbroek PACK_STRUCT_FIELD(u16_t src); 55*5d5fbe79SDavid van Moolenbroek PACK_STRUCT_FIELD(u16_t dest); /* src/dest UDP ports */ 56*5d5fbe79SDavid van Moolenbroek PACK_STRUCT_FIELD(u16_t len); 57*5d5fbe79SDavid van Moolenbroek PACK_STRUCT_FIELD(u16_t chksum); 58*5d5fbe79SDavid van Moolenbroek } PACK_STRUCT_STRUCT; 59*5d5fbe79SDavid van Moolenbroek PACK_STRUCT_END 60*5d5fbe79SDavid van Moolenbroek #ifdef PACK_STRUCT_USE_INCLUDES 61*5d5fbe79SDavid van Moolenbroek # include "arch/epstruct.h" 62*5d5fbe79SDavid van Moolenbroek #endif 63*5d5fbe79SDavid van Moolenbroek 64*5d5fbe79SDavid van Moolenbroek #ifdef __cplusplus 65*5d5fbe79SDavid van Moolenbroek } 66*5d5fbe79SDavid van Moolenbroek #endif 67*5d5fbe79SDavid van Moolenbroek 68*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_HDR_PROT_UDP_H */ 69