Marco Zecchini
/
Example_RTOS
Rtos API example
Embed:
(wiki syntax)
Show/hide line numbers
icmp.h
Go to the documentation of this file.
00001 /** 00002 * @file 00003 * ICMP API 00004 */ 00005 00006 /* 00007 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 00008 * All rights reserved. 00009 * 00010 * Redistribution and use in source and binary forms, with or without modification, 00011 * are permitted provided that the following conditions are met: 00012 * 00013 * 1. Redistributions of source code must retain the above copyright notice, 00014 * this list of conditions and the following disclaimer. 00015 * 2. Redistributions in binary form must reproduce the above copyright notice, 00016 * this list of conditions and the following disclaimer in the documentation 00017 * and/or other materials provided with the distribution. 00018 * 3. The name of the author may not be used to endorse or promote products 00019 * derived from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00022 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00023 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00024 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00025 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00026 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00029 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00030 * OF SUCH DAMAGE. 00031 * 00032 * This file is part of the lwIP TCP/IP stack. 00033 * 00034 * Author: Adam Dunkels <adam@sics.se> 00035 * 00036 */ 00037 #ifndef LWIP_HDR_ICMP_H 00038 #define LWIP_HDR_ICMP_H 00039 00040 #include "lwip/opt.h" 00041 #include "lwip/pbuf.h" 00042 #include "lwip/ip_addr.h" 00043 #include "lwip/netif.h" 00044 #include "lwip/prot/icmp.h" 00045 00046 #if LWIP_IPV6 && LWIP_ICMP6 00047 #include "lwip/icmp6.h" 00048 #endif 00049 00050 #ifdef __cplusplus 00051 extern "C" { 00052 #endif 00053 00054 /** ICMP destination unreachable codes */ 00055 enum icmp_dur_type { 00056 /** net unreachable */ 00057 ICMP_DUR_NET = 0, 00058 /** host unreachable */ 00059 ICMP_DUR_HOST = 1, 00060 /** protocol unreachable */ 00061 ICMP_DUR_PROTO = 2, 00062 /** port unreachable */ 00063 ICMP_DUR_PORT = 3, 00064 /** fragmentation needed and DF set */ 00065 ICMP_DUR_FRAG = 4, 00066 /** source route failed */ 00067 ICMP_DUR_SR = 5 00068 }; 00069 00070 /** ICMP time exceeded codes */ 00071 enum icmp_te_type { 00072 /** time to live exceeded in transit */ 00073 ICMP_TE_TTL = 0, 00074 /** fragment reassembly time exceeded */ 00075 ICMP_TE_FRAG = 1 00076 }; 00077 00078 #if LWIP_IPV4 && LWIP_ICMP /* don't build if not configured for use in lwipopts.h */ 00079 00080 void icmp_input(struct pbuf *p, struct netif *inp); 00081 void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t); 00082 void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t); 00083 00084 #endif /* LWIP_IPV4 && LWIP_ICMP */ 00085 00086 #if LWIP_IPV4 && LWIP_IPV6 00087 #if LWIP_ICMP && LWIP_ICMP6 00088 #define icmp_port_unreach(isipv6, pbuf) ((isipv6) ? \ 00089 icmp6_dest_unreach(pbuf, ICMP6_DUR_PORT) : \ 00090 icmp_dest_unreach(pbuf, ICMP_DUR_PORT)) 00091 #elif LWIP_ICMP 00092 #define icmp_port_unreach(isipv6, pbuf) do{ if(!(isipv6)) { icmp_dest_unreach(pbuf, ICMP_DUR_PORT);}}while(0) 00093 #elif LWIP_ICMP6 00094 #define icmp_port_unreach(isipv6, pbuf) do{ if(isipv6) { icmp6_dest_unreach(pbuf, ICMP6_DUR_PORT);}}while(0) 00095 #else 00096 #define icmp_port_unreach(isipv6, pbuf) 00097 #endif 00098 #elif LWIP_IPV6 && LWIP_ICMP6 00099 #define icmp_port_unreach(isipv6, pbuf) icmp6_dest_unreach(pbuf, ICMP6_DUR_PORT) 00100 #elif LWIP_IPV4 && LWIP_ICMP 00101 #define icmp_port_unreach(isipv6, pbuf) icmp_dest_unreach(pbuf, ICMP_DUR_PORT) 00102 #else /* (LWIP_IPV6 && LWIP_ICMP6) || (LWIP_IPV4 && LWIP_ICMP) */ 00103 #define icmp_port_unreach(isipv6, pbuf) 00104 #endif /* (LWIP_IPV6 && LWIP_ICMP6) || (LWIP_IPV4 && LWIP_ICMP) LWIP_IPV4*/ 00105 00106 #ifdef __cplusplus 00107 } 00108 #endif 00109 00110 #endif /* LWIP_HDR_ICMP_H */
Generated on Sun Jul 17 2022 08:25:23 by 1.7.2