[457] | 1 | /**
|
---|
| 2 | * @file
|
---|
| 3 | * ICMP6 protocol definitions
|
---|
| 4 | */
|
---|
| 5 |
|
---|
| 6 | /*
|
---|
| 7 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
|
---|
| 8 | * All rights reserved.
|
---|
| 9 | *
|
---|
| 10 | * Redistribution and use in source and binary forms, with or without modification,
|
---|
| 11 | * are permitted provided that the following conditions are met:
|
---|
| 12 | *
|
---|
| 13 | * 1. Redistributions of source code must retain the above copyright notice,
|
---|
| 14 | * this list of conditions and the following disclaimer.
|
---|
| 15 | * 2. Redistributions in binary form must reproduce the above copyright notice,
|
---|
| 16 | * this list of conditions and the following disclaimer in the documentation
|
---|
| 17 | * and/or other materials provided with the distribution.
|
---|
| 18 | * 3. The name of the author may not be used to endorse or promote products
|
---|
| 19 | * derived from this software without specific prior written permission.
|
---|
| 20 | *
|
---|
| 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
---|
| 22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
---|
| 23 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
---|
| 24 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
---|
| 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
|
---|
| 26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
---|
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
---|
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
---|
| 29 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
|
---|
| 30 | * OF SUCH DAMAGE.
|
---|
| 31 | *
|
---|
| 32 | * This file is part of the lwIP TCP/IP stack.
|
---|
| 33 | *
|
---|
| 34 | * Author: Adam Dunkels <adam@sics.se>
|
---|
| 35 | *
|
---|
| 36 | */
|
---|
| 37 | #ifndef LWIP_HDR_PROT_ICMP6_H
|
---|
| 38 | #define LWIP_HDR_PROT_ICMP6_H
|
---|
| 39 |
|
---|
| 40 | #include "lwip/arch.h"
|
---|
| 41 |
|
---|
| 42 | #ifdef __cplusplus
|
---|
| 43 | extern "C" {
|
---|
| 44 | #endif
|
---|
| 45 |
|
---|
| 46 | /** ICMP type */
|
---|
| 47 | enum icmp6_type {
|
---|
| 48 | /** Destination unreachable */
|
---|
| 49 | ICMP6_TYPE_DUR = 1,
|
---|
| 50 | /** Packet too big */
|
---|
| 51 | ICMP6_TYPE_PTB = 2,
|
---|
| 52 | /** Time exceeded */
|
---|
| 53 | ICMP6_TYPE_TE = 3,
|
---|
| 54 | /** Parameter problem */
|
---|
| 55 | ICMP6_TYPE_PP = 4,
|
---|
| 56 | /** Private experimentation */
|
---|
| 57 | ICMP6_TYPE_PE1 = 100,
|
---|
| 58 | /** Private experimentation */
|
---|
| 59 | ICMP6_TYPE_PE2 = 101,
|
---|
| 60 | /** Reserved for expansion of error messages */
|
---|
| 61 | ICMP6_TYPE_RSV_ERR = 127,
|
---|
| 62 |
|
---|
| 63 | /** Echo request */
|
---|
| 64 | ICMP6_TYPE_EREQ = 128,
|
---|
| 65 | /** Echo reply */
|
---|
| 66 | ICMP6_TYPE_EREP = 129,
|
---|
| 67 | /** Multicast listener query */
|
---|
| 68 | ICMP6_TYPE_MLQ = 130,
|
---|
| 69 | /** Multicast listener report */
|
---|
| 70 | ICMP6_TYPE_MLR = 131,
|
---|
| 71 | /** Multicast listener done */
|
---|
| 72 | ICMP6_TYPE_MLD = 132,
|
---|
| 73 | /** Router solicitation */
|
---|
| 74 | ICMP6_TYPE_RS = 133,
|
---|
| 75 | /** Router advertisement */
|
---|
| 76 | ICMP6_TYPE_RA = 134,
|
---|
| 77 | /** Neighbor solicitation */
|
---|
| 78 | ICMP6_TYPE_NS = 135,
|
---|
| 79 | /** Neighbor advertisement */
|
---|
| 80 | ICMP6_TYPE_NA = 136,
|
---|
| 81 | /** Redirect */
|
---|
| 82 | ICMP6_TYPE_RD = 137,
|
---|
| 83 | /** Multicast router advertisement */
|
---|
| 84 | ICMP6_TYPE_MRA = 151,
|
---|
| 85 | /** Multicast router solicitation */
|
---|
| 86 | ICMP6_TYPE_MRS = 152,
|
---|
| 87 | /** Multicast router termination */
|
---|
| 88 | ICMP6_TYPE_MRT = 153,
|
---|
| 89 | /** Private experimentation */
|
---|
| 90 | ICMP6_TYPE_PE3 = 200,
|
---|
| 91 | /** Private experimentation */
|
---|
| 92 | ICMP6_TYPE_PE4 = 201,
|
---|
| 93 | /** Reserved for expansion of informational messages */
|
---|
| 94 | ICMP6_TYPE_RSV_INF = 255
|
---|
| 95 | };
|
---|
| 96 |
|
---|
| 97 | /** ICMP destination unreachable codes */
|
---|
| 98 | enum icmp6_dur_code {
|
---|
| 99 | /** No route to destination */
|
---|
| 100 | ICMP6_DUR_NO_ROUTE = 0,
|
---|
| 101 | /** Communication with destination administratively prohibited */
|
---|
| 102 | ICMP6_DUR_PROHIBITED = 1,
|
---|
| 103 | /** Beyond scope of source address */
|
---|
| 104 | ICMP6_DUR_SCOPE = 2,
|
---|
| 105 | /** Address unreachable */
|
---|
| 106 | ICMP6_DUR_ADDRESS = 3,
|
---|
| 107 | /** Port unreachable */
|
---|
| 108 | ICMP6_DUR_PORT = 4,
|
---|
| 109 | /** Source address failed ingress/egress policy */
|
---|
| 110 | ICMP6_DUR_POLICY = 5,
|
---|
| 111 | /** Reject route to destination */
|
---|
| 112 | ICMP6_DUR_REJECT_ROUTE = 6
|
---|
| 113 | };
|
---|
| 114 |
|
---|
| 115 | /** ICMP time exceeded codes */
|
---|
| 116 | enum icmp6_te_code {
|
---|
| 117 | /** Hop limit exceeded in transit */
|
---|
| 118 | ICMP6_TE_HL = 0,
|
---|
| 119 | /** Fragment reassembly time exceeded */
|
---|
| 120 | ICMP6_TE_FRAG = 1
|
---|
| 121 | };
|
---|
| 122 |
|
---|
| 123 | /** ICMP parameter code */
|
---|
| 124 | enum icmp6_pp_code {
|
---|
| 125 | /** Erroneous header field encountered */
|
---|
| 126 | ICMP6_PP_FIELD = 0,
|
---|
| 127 | /** Unrecognized next header type encountered */
|
---|
| 128 | ICMP6_PP_HEADER = 1,
|
---|
| 129 | /** Unrecognized IPv6 option encountered */
|
---|
| 130 | ICMP6_PP_OPTION = 2
|
---|
| 131 | };
|
---|
| 132 |
|
---|
| 133 | /** This is the standard ICMP6 header. */
|
---|
| 134 | #ifdef PACK_STRUCT_USE_INCLUDES
|
---|
| 135 | # include "arch/bpstruct.h"
|
---|
| 136 | #endif
|
---|
| 137 | PACK_STRUCT_BEGIN
|
---|
| 138 | struct icmp6_hdr {
|
---|
| 139 | PACK_STRUCT_FLD_8(u8_t type);
|
---|
| 140 | PACK_STRUCT_FLD_8(u8_t code);
|
---|
| 141 | PACK_STRUCT_FIELD(u16_t chksum);
|
---|
| 142 | PACK_STRUCT_FIELD(u32_t data);
|
---|
| 143 | } PACK_STRUCT_STRUCT;
|
---|
| 144 | PACK_STRUCT_END
|
---|
| 145 | #ifdef PACK_STRUCT_USE_INCLUDES
|
---|
| 146 | # include "arch/epstruct.h"
|
---|
| 147 | #endif
|
---|
| 148 |
|
---|
| 149 | /** This is the ICMP6 header adapted for echo req/resp. */
|
---|
| 150 | #ifdef PACK_STRUCT_USE_INCLUDES
|
---|
| 151 | # include "arch/bpstruct.h"
|
---|
| 152 | #endif
|
---|
| 153 | PACK_STRUCT_BEGIN
|
---|
| 154 | struct icmp6_echo_hdr {
|
---|
| 155 | PACK_STRUCT_FLD_8(u8_t type);
|
---|
| 156 | PACK_STRUCT_FLD_8(u8_t code);
|
---|
| 157 | PACK_STRUCT_FIELD(u16_t chksum);
|
---|
| 158 | PACK_STRUCT_FIELD(u16_t id);
|
---|
| 159 | PACK_STRUCT_FIELD(u16_t seqno);
|
---|
| 160 | } PACK_STRUCT_STRUCT;
|
---|
| 161 | PACK_STRUCT_END
|
---|
| 162 | #ifdef PACK_STRUCT_USE_INCLUDES
|
---|
| 163 | # include "arch/epstruct.h"
|
---|
| 164 | #endif
|
---|
| 165 |
|
---|
| 166 | #ifdef __cplusplus
|
---|
| 167 | }
|
---|
| 168 | #endif
|
---|
| 169 |
|
---|
| 170 | #endif /* LWIP_HDR_PROT_ICMP6_H */
|
---|