LwIP
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Outline
#define LWIP_HDR_PROT_UDP_H
#include "lwip/arch.h"
#define UDP_HLEN
#include "arch/bpstruct.h"
udp_hdr
#include "arch/epstruct.h"
Files
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CodeScopeSTM32 Libraries and SamplesLwIPsrc/include/lwip/prot/udp.h
 
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/** * @file * UDP protocol definitions *//* ... */ /* * Copyright (c) 2001-2004 Swedish Institute of Computer Science. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. * * Author: Adam Dunkels <adam@sics.se> * *//* ... */ #ifndef LWIP_HDR_PROT_UDP_H #define LWIP_HDR_PROT_UDP_H #include "lwip/arch.h" #ifdef __cplusplus extern "C" { #endif #define UDP_HLEN 8 /* Fields are (of course) in network byte order. */ #ifdef PACK_STRUCT_USE_INCLUDES # include "arch/bpstruct.h" #endif PACK_STRUCT_BEGIN struct udp_hdr { PACK_STRUCT_FIELD(u16_t src); PACK_STRUCT_FIELD(u16_t dest); /* src/dest UDP ports */ PACK_STRUCT_FIELD(u16_t len); PACK_STRUCT_FIELD(u16_t chksum); ...} PACK_STRUCT_STRUCT; PACK_STRUCT_END #ifdef PACK_STRUCT_USE_INCLUDES # include "arch/epstruct.h" #endif #ifdef __cplusplus }extern "C" { ... } #endif /* ... */ #endif /* LWIP_HDR_PROT_UDP_H */