mbed unsupported / lwip

A version of LWIP, provided for backwards compatibility.

Dependents:   AA_DemoBoard DemoBoard HelloServerDemo DemoBoard_RangeIndicator ... more

trunk/Core/lwIP/include/ipv4/lwip/icmp.h@0:5e1631496985, 2012-05-08 (annotated)

Committer:
root@mbed.org
Date:
Tue May 08 15:32:10 2012 +0100
Revision:
0:5e1631496985
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
root@mbed.org 0:5e1631496985 1 /*
root@mbed.org 0:5e1631496985 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
root@mbed.org 0:5e1631496985 3 * All rights reserved.
root@mbed.org 0:5e1631496985 4 *
root@mbed.org 0:5e1631496985 5 * Redistribution and use in source and binary forms, with or without modification,
root@mbed.org 0:5e1631496985 6 * are permitted provided that the following conditions are met:
root@mbed.org 0:5e1631496985 7 *
root@mbed.org 0:5e1631496985 8 * 1. Redistributions of source code must retain the above copyright notice,
root@mbed.org 0:5e1631496985 9 * this list of conditions and the following disclaimer.
root@mbed.org 0:5e1631496985 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
root@mbed.org 0:5e1631496985 11 * this list of conditions and the following disclaimer in the documentation
root@mbed.org 0:5e1631496985 12 * and/or other materials provided with the distribution.
root@mbed.org 0:5e1631496985 13 * 3. The name of the author may not be used to endorse or promote products
root@mbed.org 0:5e1631496985 14 * derived from this software without specific prior written permission.
root@mbed.org 0:5e1631496985 15 *
root@mbed.org 0:5e1631496985 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
root@mbed.org 0:5e1631496985 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
root@mbed.org 0:5e1631496985 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
root@mbed.org 0:5e1631496985 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
root@mbed.org 0:5e1631496985 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
root@mbed.org 0:5e1631496985 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
root@mbed.org 0:5e1631496985 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
root@mbed.org 0:5e1631496985 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
root@mbed.org 0:5e1631496985 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
root@mbed.org 0:5e1631496985 25 * OF SUCH DAMAGE.
root@mbed.org 0:5e1631496985 26 *
root@mbed.org 0:5e1631496985 27 * This file is part of the lwIP TCP/IP stack.
root@mbed.org 0:5e1631496985 28 *
root@mbed.org 0:5e1631496985 29 * Author: Adam Dunkels <adam@sics.se>
root@mbed.org 0:5e1631496985 30 *
root@mbed.org 0:5e1631496985 31 */
root@mbed.org 0:5e1631496985 32 #ifndef __LWIP_ICMP_H__
root@mbed.org 0:5e1631496985 33 #define __LWIP_ICMP_H__
root@mbed.org 0:5e1631496985 34
root@mbed.org 0:5e1631496985 35 #include "lwip/opt.h"
root@mbed.org 0:5e1631496985 36
root@mbed.org 0:5e1631496985 37 #if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */
root@mbed.org 0:5e1631496985 38
root@mbed.org 0:5e1631496985 39 #include "lwip/pbuf.h"
root@mbed.org 0:5e1631496985 40 #include "lwip/ip_addr.h"
root@mbed.org 0:5e1631496985 41 #include "lwip/netif.h"
root@mbed.org 0:5e1631496985 42
root@mbed.org 0:5e1631496985 43 #ifdef __cplusplus
root@mbed.org 0:5e1631496985 44 extern "C" {
root@mbed.org 0:5e1631496985 45 #endif
root@mbed.org 0:5e1631496985 46
root@mbed.org 0:5e1631496985 47 #define ICMP_ER 0 /* echo reply */
root@mbed.org 0:5e1631496985 48 #define ICMP_DUR 3 /* destination unreachable */
root@mbed.org 0:5e1631496985 49 #define ICMP_SQ 4 /* source quench */
root@mbed.org 0:5e1631496985 50 #define ICMP_RD 5 /* redirect */
root@mbed.org 0:5e1631496985 51 #define ICMP_ECHO 8 /* echo */
root@mbed.org 0:5e1631496985 52 #define ICMP_TE 11 /* time exceeded */
root@mbed.org 0:5e1631496985 53 #define ICMP_PP 12 /* parameter problem */
root@mbed.org 0:5e1631496985 54 #define ICMP_TS 13 /* timestamp */
root@mbed.org 0:5e1631496985 55 #define ICMP_TSR 14 /* timestamp reply */
root@mbed.org 0:5e1631496985 56 #define ICMP_IRQ 15 /* information request */
root@mbed.org 0:5e1631496985 57 #define ICMP_IR 16 /* information reply */
root@mbed.org 0:5e1631496985 58
root@mbed.org 0:5e1631496985 59 enum icmp_dur_type {
root@mbed.org 0:5e1631496985 60 ICMP_DUR_NET = 0, /* net unreachable */
root@mbed.org 0:5e1631496985 61 ICMP_DUR_HOST = 1, /* host unreachable */
root@mbed.org 0:5e1631496985 62 ICMP_DUR_PROTO = 2, /* protocol unreachable */
root@mbed.org 0:5e1631496985 63 ICMP_DUR_PORT = 3, /* port unreachable */
root@mbed.org 0:5e1631496985 64 ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */
root@mbed.org 0:5e1631496985 65 ICMP_DUR_SR = 5 /* source route failed */
root@mbed.org 0:5e1631496985 66 };
root@mbed.org 0:5e1631496985 67
root@mbed.org 0:5e1631496985 68 enum icmp_te_type {
root@mbed.org 0:5e1631496985 69 ICMP_TE_TTL = 0, /* time to live exceeded in transit */
root@mbed.org 0:5e1631496985 70 ICMP_TE_FRAG = 1 /* fragment reassembly time exceeded */
root@mbed.org 0:5e1631496985 71 };
root@mbed.org 0:5e1631496985 72
root@mbed.org 0:5e1631496985 73 void icmp_input(struct pbuf *p, struct netif *inp);
root@mbed.org 0:5e1631496985 74
root@mbed.org 0:5e1631496985 75 void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t);
root@mbed.org 0:5e1631496985 76 void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t);
root@mbed.org 0:5e1631496985 77
root@mbed.org 0:5e1631496985 78 #ifdef PACK_STRUCT_USE_INCLUDES
root@mbed.org 0:5e1631496985 79 # include "arch/bpstruct.h"
root@mbed.org 0:5e1631496985 80 #endif
root@mbed.org 0:5e1631496985 81 /** This is the standard ICMP header only that the u32_t data
root@mbed.org 0:5e1631496985 82 * is splitted to two u16_t like ICMP echo needs it.
root@mbed.org 0:5e1631496985 83 * This header is also used for other ICMP types that do not
root@mbed.org 0:5e1631496985 84 * use the data part.
root@mbed.org 0:5e1631496985 85 */
root@mbed.org 0:5e1631496985 86 PACK_STRUCT_BEGIN
root@mbed.org 0:5e1631496985 87 struct icmp_echo_hdr {
root@mbed.org 0:5e1631496985 88 PACK_STRUCT_FIELD(u8_t type);
root@mbed.org 0:5e1631496985 89 PACK_STRUCT_FIELD(u8_t code);
root@mbed.org 0:5e1631496985 90 PACK_STRUCT_FIELD(u16_t chksum);
root@mbed.org 0:5e1631496985 91 PACK_STRUCT_FIELD(u16_t id);
root@mbed.org 0:5e1631496985 92 PACK_STRUCT_FIELD(u16_t seqno);
root@mbed.org 0:5e1631496985 93 } PACK_STRUCT_STRUCT;
root@mbed.org 0:5e1631496985 94 PACK_STRUCT_END
root@mbed.org 0:5e1631496985 95 #ifdef PACK_STRUCT_USE_INCLUDES
root@mbed.org 0:5e1631496985 96 # include "arch/epstruct.h"
root@mbed.org 0:5e1631496985 97 #endif
root@mbed.org 0:5e1631496985 98
root@mbed.org 0:5e1631496985 99 #define ICMPH_TYPE(hdr) ((hdr)->type)
root@mbed.org 0:5e1631496985 100 #define ICMPH_CODE(hdr) ((hdr)->code)
root@mbed.org 0:5e1631496985 101
root@mbed.org 0:5e1631496985 102 /** Combines type and code to an u16_t */
root@mbed.org 0:5e1631496985 103 #define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t))
root@mbed.org 0:5e1631496985 104 #define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c))
root@mbed.org 0:5e1631496985 105
root@mbed.org 0:5e1631496985 106 #ifdef __cplusplus
root@mbed.org 0:5e1631496985 107 }
root@mbed.org 0:5e1631496985 108 #endif
root@mbed.org 0:5e1631496985 109
root@mbed.org 0:5e1631496985 110 #endif /* LWIP_ICMP */
root@mbed.org 0:5e1631496985 111
root@mbed.org 0:5e1631496985 112 #endif /* __LWIP_ICMP_H__ */