Rod Coleman / lwip-mbed-2010

Port of LwIP performed by Ralf in 2010. Not recommended for use with recent mbed libraries, but good demos of raw LwIP possible

Dependents:   LwIP_raw_API_serverExample tiny-dtls

Core/lwIP/include/ipv4/lwip/icmp.h@0:0791c1fece8e, 2012-09-18 (annotated)

Committer:
RodColeman
Date:
Tue Sep 18 14:41:24 2012 +0000
Revision:
0:0791c1fece8e
[mbed] converted /Eth_TCP_Wei_Server/lwip

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:0791c1fece8e 1 /*
RodColeman 0:0791c1fece8e 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
RodColeman 0:0791c1fece8e 3 * All rights reserved.
RodColeman 0:0791c1fece8e 4 *
RodColeman 0:0791c1fece8e 5 * Redistribution and use in source and binary forms, with or without modification,
RodColeman 0:0791c1fece8e 6 * are permitted provided that the following conditions are met:
RodColeman 0:0791c1fece8e 7 *
RodColeman 0:0791c1fece8e 8 * 1. Redistributions of source code must retain the above copyright notice,
RodColeman 0:0791c1fece8e 9 * this list of conditions and the following disclaimer.
RodColeman 0:0791c1fece8e 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
RodColeman 0:0791c1fece8e 11 * this list of conditions and the following disclaimer in the documentation
RodColeman 0:0791c1fece8e 12 * and/or other materials provided with the distribution.
RodColeman 0:0791c1fece8e 13 * 3. The name of the author may not be used to endorse or promote products
RodColeman 0:0791c1fece8e 14 * derived from this software without specific prior written permission.
RodColeman 0:0791c1fece8e 15 *
RodColeman 0:0791c1fece8e 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
RodColeman 0:0791c1fece8e 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
RodColeman 0:0791c1fece8e 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
RodColeman 0:0791c1fece8e 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
RodColeman 0:0791c1fece8e 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
RodColeman 0:0791c1fece8e 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
RodColeman 0:0791c1fece8e 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
RodColeman 0:0791c1fece8e 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
RodColeman 0:0791c1fece8e 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
RodColeman 0:0791c1fece8e 25 * OF SUCH DAMAGE.
RodColeman 0:0791c1fece8e 26 *
RodColeman 0:0791c1fece8e 27 * This file is part of the lwIP TCP/IP stack.
RodColeman 0:0791c1fece8e 28 *
RodColeman 0:0791c1fece8e 29 * Author: Adam Dunkels <adam@sics.se>
RodColeman 0:0791c1fece8e 30 *
RodColeman 0:0791c1fece8e 31 */
RodColeman 0:0791c1fece8e 32 #ifndef __LWIP_ICMP_H__
RodColeman 0:0791c1fece8e 33 #define __LWIP_ICMP_H__
RodColeman 0:0791c1fece8e 34
RodColeman 0:0791c1fece8e 35 #include "lwip/opt.h"
RodColeman 0:0791c1fece8e 36
RodColeman 0:0791c1fece8e 37 #if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */
RodColeman 0:0791c1fece8e 38
RodColeman 0:0791c1fece8e 39 #include "lwip/pbuf.h"
RodColeman 0:0791c1fece8e 40 #include "lwip/ip_addr.h"
RodColeman 0:0791c1fece8e 41 #include "lwip/netif.h"
RodColeman 0:0791c1fece8e 42
RodColeman 0:0791c1fece8e 43 #ifdef __cplusplus
RodColeman 0:0791c1fece8e 44 extern "C" {
RodColeman 0:0791c1fece8e 45 #endif
RodColeman 0:0791c1fece8e 46
RodColeman 0:0791c1fece8e 47 #define ICMP_ER 0 /* echo reply */
RodColeman 0:0791c1fece8e 48 #define ICMP_DUR 3 /* destination unreachable */
RodColeman 0:0791c1fece8e 49 #define ICMP_SQ 4 /* source quench */
RodColeman 0:0791c1fece8e 50 #define ICMP_RD 5 /* redirect */
RodColeman 0:0791c1fece8e 51 #define ICMP_ECHO 8 /* echo */
RodColeman 0:0791c1fece8e 52 #define ICMP_TE 11 /* time exceeded */
RodColeman 0:0791c1fece8e 53 #define ICMP_PP 12 /* parameter problem */
RodColeman 0:0791c1fece8e 54 #define ICMP_TS 13 /* timestamp */
RodColeman 0:0791c1fece8e 55 #define ICMP_TSR 14 /* timestamp reply */
RodColeman 0:0791c1fece8e 56 #define ICMP_IRQ 15 /* information request */
RodColeman 0:0791c1fece8e 57 #define ICMP_IR 16 /* information reply */
RodColeman 0:0791c1fece8e 58
RodColeman 0:0791c1fece8e 59 enum icmp_dur_type {
RodColeman 0:0791c1fece8e 60 ICMP_DUR_NET = 0, /* net unreachable */
RodColeman 0:0791c1fece8e 61 ICMP_DUR_HOST = 1, /* host unreachable */
RodColeman 0:0791c1fece8e 62 ICMP_DUR_PROTO = 2, /* protocol unreachable */
RodColeman 0:0791c1fece8e 63 ICMP_DUR_PORT = 3, /* port unreachable */
RodColeman 0:0791c1fece8e 64 ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */
RodColeman 0:0791c1fece8e 65 ICMP_DUR_SR = 5 /* source route failed */
RodColeman 0:0791c1fece8e 66 };
RodColeman 0:0791c1fece8e 67
RodColeman 0:0791c1fece8e 68 enum icmp_te_type {
RodColeman 0:0791c1fece8e 69 ICMP_TE_TTL = 0, /* time to live exceeded in transit */
RodColeman 0:0791c1fece8e 70 ICMP_TE_FRAG = 1 /* fragment reassembly time exceeded */
RodColeman 0:0791c1fece8e 71 };
RodColeman 0:0791c1fece8e 72
RodColeman 0:0791c1fece8e 73 void icmp_input(struct pbuf *p, struct netif *inp);
RodColeman 0:0791c1fece8e 74
RodColeman 0:0791c1fece8e 75 void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t);
RodColeman 0:0791c1fece8e 76 void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t);
RodColeman 0:0791c1fece8e 77
RodColeman 0:0791c1fece8e 78 #ifdef PACK_STRUCT_USE_INCLUDES
RodColeman 0:0791c1fece8e 79 # include "arch/bpstruct.h"
RodColeman 0:0791c1fece8e 80 #endif
RodColeman 0:0791c1fece8e 81 /** This is the standard ICMP header only that the u32_t data
RodColeman 0:0791c1fece8e 82 * is splitted to two u16_t like ICMP echo needs it.
RodColeman 0:0791c1fece8e 83 * This header is also used for other ICMP types that do not
RodColeman 0:0791c1fece8e 84 * use the data part.
RodColeman 0:0791c1fece8e 85 */
RodColeman 0:0791c1fece8e 86 PACK_STRUCT_BEGIN
RodColeman 0:0791c1fece8e 87 struct icmp_echo_hdr {
RodColeman 0:0791c1fece8e 88 PACK_STRUCT_FIELD(u8_t type);
RodColeman 0:0791c1fece8e 89 PACK_STRUCT_FIELD(u8_t code);
RodColeman 0:0791c1fece8e 90 PACK_STRUCT_FIELD(u16_t chksum);
RodColeman 0:0791c1fece8e 91 PACK_STRUCT_FIELD(u16_t id);
RodColeman 0:0791c1fece8e 92 PACK_STRUCT_FIELD(u16_t seqno);
RodColeman 0:0791c1fece8e 93 } PACK_STRUCT_STRUCT;
RodColeman 0:0791c1fece8e 94 PACK_STRUCT_END
RodColeman 0:0791c1fece8e 95 #ifdef PACK_STRUCT_USE_INCLUDES
RodColeman 0:0791c1fece8e 96 # include "arch/epstruct.h"
RodColeman 0:0791c1fece8e 97 #endif
RodColeman 0:0791c1fece8e 98
RodColeman 0:0791c1fece8e 99 #define ICMPH_TYPE(hdr) ((hdr)->type)
RodColeman 0:0791c1fece8e 100 #define ICMPH_CODE(hdr) ((hdr)->code)
RodColeman 0:0791c1fece8e 101
RodColeman 0:0791c1fece8e 102 /** Combines type and code to an u16_t */
RodColeman 0:0791c1fece8e 103 #define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t))
RodColeman 0:0791c1fece8e 104 #define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c))
RodColeman 0:0791c1fece8e 105
RodColeman 0:0791c1fece8e 106 #ifdef __cplusplus
RodColeman 0:0791c1fece8e 107 }
RodColeman 0:0791c1fece8e 108 #endif
RodColeman 0:0791c1fece8e 109
RodColeman 0:0791c1fece8e 110 #endif /* LWIP_ICMP */
RodColeman 0:0791c1fece8e 111
RodColeman 0:0791c1fece8e 112 #endif /* __LWIP_ICMP_H__ */