LwIP
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Outline
#define LWIP_HDR_IP4_FRAG_H
#include "lwip/opt.h"
#include "lwip/err.h"
#include "lwip/pbuf.h"
#include "lwip/netif.h"
#include "lwip/ip_addr.h"
#include "lwip/ip.h"
#define IP_TMR_INTERVAL
ip_reassdata
ip_reass_init();
ip_reass_tmr();
ip4_reass(struct pbuf *);
#define LWIP_PBUF_CUSTOM_REF_DEFINED
pbuf_custom_ref
ip4_frag(struct pbuf *, struct netif *, const ip4_addr_t *);
Files
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SourceVuSTM32 Libraries and SamplesLwIPsrc/include/lwip/ip4_frag.h
 
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/** * @file * IP fragmentation/reassembly *//* ... */ /* * 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: Jani Monoses <jani@iv.ro> * *//* ... */ #ifndef LWIP_HDR_IP4_FRAG_H #define LWIP_HDR_IP4_FRAG_H #include "lwip/opt.h" #include "lwip/err.h" #include "lwip/pbuf.h" #include "lwip/netif.h" #include "lwip/ip_addr.h" #include "lwip/ip.h" 6 includes #if LWIP_IPV4 #ifdef __cplusplus extern "C" { #endif #if IP_REASSEMBLY /* The IP reassembly timer interval in milliseconds. */ #define IP_TMR_INTERVAL 1000 /** IP reassembly helper struct. * This is exported because memp needs to know the size. *//* ... */ struct ip_reassdata { struct ip_reassdata *next; struct pbuf *p; struct ip_hdr iphdr; u16_t datagram_len; u8_t flags; u8_t timer; ...}; void ip_reass_init(void); void ip_reass_tmr(void); struct pbuf * ip4_reass(struct pbuf *p);/* ... */ #endif /* IP_REASSEMBLY */ #if IP_FRAG #if !LWIP_NETIF_TX_SINGLE_PBUF #ifndef LWIP_PBUF_CUSTOM_REF_DEFINED #define LWIP_PBUF_CUSTOM_REF_DEFINED /** A custom pbuf that holds a reference to another pbuf, which is freed * when this custom pbuf is freed. This is used to create a custom PBUF_REF * that points into the original pbuf. *//* ... */ struct pbuf_custom_ref { /** 'base class' */ struct pbuf_custom pc; /** pointer to the original pbuf that is referenced */ struct pbuf *original; ...};/* ... */ #endif /* LWIP_PBUF_CUSTOM_REF_DEFINED *//* ... */ #endif /* !LWIP_NETIF_TX_SINGLE_PBUF */ err_t ip4_frag(struct pbuf *p, struct netif *netif, const ip4_addr_t *dest);/* ... */ #endif /* IP_FRAG */ #ifdef __cplusplus }extern "C" { ... } #endif /* ... */ #endif /* LWIP_IPV4 */ /* ... */ #endif /* LWIP_HDR_IP4_FRAG_H */
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