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prot/icmp6.h
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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 */
50  /** Packet too big */
52  /** Time exceeded */
54  /** Parameter problem */
56  /** Private experimentation */
58  /** Private experimentation */
60  /** Reserved for expansion of error messages */
62 
63  /** Echo request */
65  /** Echo reply */
67  /** Multicast listener query */
69  /** Multicast listener report */
71  /** Multicast listener done */
73  /** Router solicitation */
75  /** Router advertisement */
77  /** Neighbor solicitation */
79  /** Neighbor advertisement */
81  /** Redirect */
83  /** Multicast router advertisement */
85  /** Multicast router solicitation */
87  /** Multicast router termination */
89  /** Private experimentation */
91  /** Private experimentation */
93  /** Reserved for expansion of informational messages */
95 };
96 
97 /** ICMP destination unreachable codes */
99  /** No route to destination */
101  /** Communication with destination administratively prohibited */
103  /** Beyond scope of source address */
105  /** Address unreachable */
107  /** Port unreachable */
109  /** Source address failed ingress/egress policy */
111  /** Reject route to destination */
113 };
114 
115 /** ICMP time exceeded codes */
117  /** Hop limit exceeded in transit */
119  /** Fragment reassembly time exceeded */
121 };
122 
123 /** ICMP parameter code */
125  /** Erroneous header field encountered */
127  /** Unrecognized next header type encountered */
129  /** Unrecognized IPv6 option encountered */
131 };
132 
133 /** This is the standard ICMP6 header. */
134 #ifdef PACK_STRUCT_USE_INCLUDES
135 # include "arch/bpstruct.h"
136 #endif
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);
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
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);
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 */
Echo request.
Definition: prot/icmp6.h:64
This is the standard ICMP6 header.
Definition: prot/icmp6.h:138
Private experimentation.
Definition: prot/icmp6.h:57
Reject route to destination.
Definition: prot/icmp6.h:112
Unrecognized IPv6 option encountered.
Definition: prot/icmp6.h:130
Private experimentation.
Definition: prot/icmp6.h:59
Multicast listener report.
Definition: prot/icmp6.h:70
Reserved for expansion of informational messages.
Definition: prot/icmp6.h:94
Port unreachable.
Definition: prot/icmp6.h:108
Redirect.
Definition: prot/icmp6.h:82
Fragment reassembly time exceeded.
Definition: prot/icmp6.h:120
Multicast router solicitation.
Definition: prot/icmp6.h:86
Neighbor advertisement.
Definition: prot/icmp6.h:80
Multicast router termination.
Definition: prot/icmp6.h:88
#define PACK_STRUCT_BEGIN
Packed structs support.
Definition: arch.h:307
Router solicitation.
Definition: prot/icmp6.h:74
No route to destination.
Definition: prot/icmp6.h:100
Source address failed ingress/egress policy.
Definition: prot/icmp6.h:110
Echo reply.
Definition: prot/icmp6.h:66
icmp6_type
ICMP type.
Definition: prot/icmp6.h:47
Erroneous header field encountered.
Definition: prot/icmp6.h:126
icmp6_te_code
ICMP time exceeded codes.
Definition: prot/icmp6.h:116
Packet too big.
Definition: prot/icmp6.h:51
Multicast listener query.
Definition: prot/icmp6.h:68
icmp6_pp_code
ICMP parameter code.
Definition: prot/icmp6.h:124
Neighbor solicitation.
Definition: prot/icmp6.h:78
This is the ICMP6 header adapted for echo req/resp.
Definition: prot/icmp6.h:154
Router advertisement.
Definition: prot/icmp6.h:76
Communication with destination administratively prohibited.
Definition: prot/icmp6.h:102
#define PACK_STRUCT_STRUCT
Packed structs support.
Definition: arch.h:328
#define PACK_STRUCT_END
Packed structs support.
Definition: arch.h:316
Private experimentation.
Definition: prot/icmp6.h:92
Multicast listener done.
Definition: prot/icmp6.h:72
#define PACK_STRUCT_FLD_8(x)
Packed structs support.
Definition: arch.h:347
Hop limit exceeded in transit.
Definition: prot/icmp6.h:118
Reserved for expansion of error messages.
Definition: prot/icmp6.h:61
Unrecognized next header type encountered.
Definition: prot/icmp6.h:128
Destination unreachable.
Definition: prot/icmp6.h:49
Parameter problem.
Definition: prot/icmp6.h:55
Beyond scope of source address.
Definition: prot/icmp6.h:104
Support for different processor and compiler architectures.
Time exceeded.
Definition: prot/icmp6.h:53
icmp6_dur_code
ICMP destination unreachable codes.
Definition: prot/icmp6.h:98
Address unreachable.
Definition: prot/icmp6.h:106
Private experimentation.
Definition: prot/icmp6.h:90
Multicast router advertisement.
Definition: prot/icmp6.h:84
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