SiSK / EthernetInterface

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lwip/include/ipv4/lwip/ip_frag.h@0:d7bd7384a37c, 2016-12-07 (annotated)

Committer:
grzemich
Date:
Wed Dec 07 23:47:50 2016 +0000
Revision:
0:d7bd7384a37c
dgd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
grzemich 0:d7bd7384a37c 1 /*
grzemich 0:d7bd7384a37c 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
grzemich 0:d7bd7384a37c 3 * All rights reserved.
grzemich 0:d7bd7384a37c 4 *
grzemich 0:d7bd7384a37c 5 * Redistribution and use in source and binary forms, with or without modification,
grzemich 0:d7bd7384a37c 6 * are permitted provided that the following conditions are met:
grzemich 0:d7bd7384a37c 7 *
grzemich 0:d7bd7384a37c 8 * 1. Redistributions of source code must retain the above copyright notice,
grzemich 0:d7bd7384a37c 9 * this list of conditions and the following disclaimer.
grzemich 0:d7bd7384a37c 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
grzemich 0:d7bd7384a37c 11 * this list of conditions and the following disclaimer in the documentation
grzemich 0:d7bd7384a37c 12 * and/or other materials provided with the distribution.
grzemich 0:d7bd7384a37c 13 * 3. The name of the author may not be used to endorse or promote products
grzemich 0:d7bd7384a37c 14 * derived from this software without specific prior written permission.
grzemich 0:d7bd7384a37c 15 *
grzemich 0:d7bd7384a37c 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
grzemich 0:d7bd7384a37c 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
grzemich 0:d7bd7384a37c 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
grzemich 0:d7bd7384a37c 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
grzemich 0:d7bd7384a37c 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
grzemich 0:d7bd7384a37c 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
grzemich 0:d7bd7384a37c 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
grzemich 0:d7bd7384a37c 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
grzemich 0:d7bd7384a37c 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
grzemich 0:d7bd7384a37c 25 * OF SUCH DAMAGE.
grzemich 0:d7bd7384a37c 26 *
grzemich 0:d7bd7384a37c 27 * This file is part of the lwIP TCP/IP stack.
grzemich 0:d7bd7384a37c 28 *
grzemich 0:d7bd7384a37c 29 * Author: Jani Monoses <jani@iv.ro>
grzemich 0:d7bd7384a37c 30 *
grzemich 0:d7bd7384a37c 31 */
grzemich 0:d7bd7384a37c 32
grzemich 0:d7bd7384a37c 33 #ifndef __LWIP_IP_FRAG_H__
grzemich 0:d7bd7384a37c 34 #define __LWIP_IP_FRAG_H__
grzemich 0:d7bd7384a37c 35
grzemich 0:d7bd7384a37c 36 #include "lwip/opt.h"
grzemich 0:d7bd7384a37c 37 #include "lwip/err.h"
grzemich 0:d7bd7384a37c 38 #include "lwip/pbuf.h"
grzemich 0:d7bd7384a37c 39 #include "lwip/netif.h"
grzemich 0:d7bd7384a37c 40 #include "lwip/ip_addr.h"
grzemich 0:d7bd7384a37c 41 #include "lwip/ip.h"
grzemich 0:d7bd7384a37c 42
grzemich 0:d7bd7384a37c 43 #ifdef __cplusplus
grzemich 0:d7bd7384a37c 44 extern "C" {
grzemich 0:d7bd7384a37c 45 #endif
grzemich 0:d7bd7384a37c 46
grzemich 0:d7bd7384a37c 47 #if IP_REASSEMBLY
grzemich 0:d7bd7384a37c 48 /* The IP reassembly timer interval in milliseconds. */
grzemich 0:d7bd7384a37c 49 #define IP_TMR_INTERVAL 1000
grzemich 0:d7bd7384a37c 50
grzemich 0:d7bd7384a37c 51 /* IP reassembly helper struct.
grzemich 0:d7bd7384a37c 52 * This is exported because memp needs to know the size.
grzemich 0:d7bd7384a37c 53 */
grzemich 0:d7bd7384a37c 54 struct ip_reassdata {
grzemich 0:d7bd7384a37c 55 struct ip_reassdata *next;
grzemich 0:d7bd7384a37c 56 struct pbuf *p;
grzemich 0:d7bd7384a37c 57 struct ip_hdr iphdr;
grzemich 0:d7bd7384a37c 58 u16_t datagram_len;
grzemich 0:d7bd7384a37c 59 u8_t flags;
grzemich 0:d7bd7384a37c 60 u8_t timer;
grzemich 0:d7bd7384a37c 61 };
grzemich 0:d7bd7384a37c 62
grzemich 0:d7bd7384a37c 63 void ip_reass_init(void);
grzemich 0:d7bd7384a37c 64 void ip_reass_tmr(void);
grzemich 0:d7bd7384a37c 65 struct pbuf * ip_reass(struct pbuf *p);
grzemich 0:d7bd7384a37c 66 #endif /* IP_REASSEMBLY */
grzemich 0:d7bd7384a37c 67
grzemich 0:d7bd7384a37c 68 #if IP_FRAG
grzemich 0:d7bd7384a37c 69 #if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF
grzemich 0:d7bd7384a37c 70 /** A custom pbuf that holds a reference to another pbuf, which is freed
grzemich 0:d7bd7384a37c 71 * when this custom pbuf is freed. This is used to create a custom PBUF_REF
grzemich 0:d7bd7384a37c 72 * that points into the original pbuf. */
grzemich 0:d7bd7384a37c 73 struct pbuf_custom_ref {
grzemich 0:d7bd7384a37c 74 /** 'base class' */
grzemich 0:d7bd7384a37c 75 struct pbuf_custom pc;
grzemich 0:d7bd7384a37c 76 /** pointer to the original pbuf that is referenced */
grzemich 0:d7bd7384a37c 77 struct pbuf *original;
grzemich 0:d7bd7384a37c 78 };
grzemich 0:d7bd7384a37c 79 #endif /* !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */
grzemich 0:d7bd7384a37c 80
grzemich 0:d7bd7384a37c 81 err_t ip_frag(struct pbuf *p, struct netif *netif, ip_addr_t *dest);
grzemich 0:d7bd7384a37c 82 #endif /* IP_FRAG */
grzemich 0:d7bd7384a37c 83
grzemich 0:d7bd7384a37c 84 #ifdef __cplusplus
grzemich 0:d7bd7384a37c 85 }
grzemich 0:d7bd7384a37c 86 #endif
grzemich 0:d7bd7384a37c 87
grzemich 0:d7bd7384a37c 88 #endif /* __LWIP_IP_FRAG_H__ */