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ip_frag.h
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1 /*
2  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without modification,
6  * are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  * derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
25  * OF SUCH DAMAGE.
26  *
27  * This file is part of the lwIP TCP/IP stack.
28  *
29  * Author: Jani Monoses <jani@iv.ro>
30  *
31  */
32 
33 #ifndef __LWIP_IP_FRAG_H__
34 #define __LWIP_IP_FRAG_H__
35 
36 #include "lwip/opt.h"
37 #include "lwip/err.h"
38 #include "lwip/pbuf.h"
39 #include "lwip/netif.h"
40 #include "lwip/ip_addr.h"
41 #include "lwip/ip.h"
42 
43 #ifdef __cplusplus
44 extern "C" {
45 #endif
46 
47 #if IP_REASSEMBLY
48 /* The IP reassembly timer interval in milliseconds. */
49 #define IP_TMR_INTERVAL 1000
50 
51 /* IP reassembly helper struct.
52  * This is exported because memp needs to know the size.
53  */
54 struct ip_reassdata {
55  struct ip_reassdata *next;
56  struct pbuf *p;
57  struct ip_hdr iphdr;
58  u16_t datagram_len;
59  u8_t flags;
60  u8_t timer;
61 };
62 
63 void ip_reass_init(void);
64 void ip_reass_tmr(void);
65 struct pbuf * ip_reass(struct pbuf *p);
66 #endif /* IP_REASSEMBLY */
67 
68 #if IP_FRAG
69 #if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF
70 
73 struct pbuf_custom_ref {
75  struct pbuf_custom pc;
77  struct pbuf *original;
78 };
79 #endif /* !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */
80 
81 err_t ip_frag(struct pbuf *p, struct netif *netif, ip_addr_t *dest);
82 #endif /* IP_FRAG */
83 
84 #ifdef __cplusplus
85 }
86 #endif
87 
88 #endif /* __LWIP_IP_FRAG_H__ */
typedefPACK_STRUCT_END struct ip_addr ip_addr_t
Definition: ip_addr.h:64
s8_t err_t
Definition: err.h:47
Definition: pbuf.h:79
Definition: netif.h:136
GLbitfield flags
Definition: glext.h:7161
static unsigned __int64 next
Definition: rand_nt.c:6
Definition: ip.h:116
unsigned char u8_t
Definition: cc.h:23
static char * dest
Definition: rtl.c:135
unsigned short u16_t
Definition: cc.h:24
GLfloat GLfloat p
Definition: glext.h:8902