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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Jani Monoses <jani@iv.ro>
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*
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*/
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#ifndef __LWIP_IP_FRAG_H__
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#define __LWIP_IP_FRAG_H__
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#include "lwip/opt.h"
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#include "lwip/err.h"
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#include "lwip/pbuf.h"
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#include "lwip/netif.h"
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#include "lwip/ip_addr.h"
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#include "lwip/ip.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if IP_REASSEMBLY
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/* The IP reassembly timer interval in milliseconds. */
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#define IP_TMR_INTERVAL 1000
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/* IP reassembly helper struct.
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* This is exported because memp needs to know the size.
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*/
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struct ip_reassdata {
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struct ip_reassdata *next;
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struct pbuf *p;
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struct ip_hdr iphdr;
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u16_t datagram_len;
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u8_t flags;
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u8_t timer;
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};
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void ip_reass_init(void);
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void ip_reass_tmr(void);
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struct pbuf * ip_reass(struct pbuf *p);
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#endif /* IP_REASSEMBLY */
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#if IP_FRAG
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#if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF
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/** A custom pbuf that holds a reference to another pbuf, which is freed
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* when this custom pbuf is freed. This is used to create a custom PBUF_REF
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* that points into the original pbuf. */
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struct pbuf_custom_ref {
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/** 'base class' */
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struct pbuf_custom pc;
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/** pointer to the original pbuf that is referenced */
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struct pbuf *original;
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};
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#endif /* !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */
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err_t ip_frag(struct pbuf *p, struct netif *netif, ip_addr_t *dest);
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#endif /* IP_FRAG */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __LWIP_IP_FRAG_H__ */
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bruno LARNAUDIE