| /* |
| * 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_IP_FRAG_H__ |
| #define __LWIP_IP_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" |
| |
| #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 * ip_reass(struct pbuf *p); |
| #endif /* IP_REASSEMBLY */ |
| |
| #if IP_FRAG |
| #if !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF |
| /** 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. */ |
| #ifndef __LWIP_PBUF_CUSTOM_REF__ |
| #define __LWIP_PBUF_CUSTOM_REF__ |
| 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__ */ |
| #endif /* !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */ |
| |
| err_t ip_frag(struct pbuf *p, struct netif *netif, ip_addr_t *dest); |
| #endif /* IP_FRAG */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __LWIP_IP_FRAG_H__ */ |