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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
607ca46e DH |
2 | #ifndef _UAPI_LINUX_ICMPV6_H |
3 | #define _UAPI_LINUX_ICMPV6_H | |
4 | ||
5 | #include <linux/types.h> | |
6 | #include <asm/byteorder.h> | |
7 | ||
8 | struct icmp6hdr { | |
9 | ||
10 | __u8 icmp6_type; | |
11 | __u8 icmp6_code; | |
12 | __sum16 icmp6_cksum; | |
13 | ||
14 | ||
15 | union { | |
16 | __be32 un_data32[1]; | |
17 | __be16 un_data16[2]; | |
18 | __u8 un_data8[4]; | |
19 | ||
20 | struct icmpv6_echo { | |
21 | __be16 identifier; | |
22 | __be16 sequence; | |
23 | } u_echo; | |
24 | ||
25 | struct icmpv6_nd_advt { | |
26 | #if defined(__LITTLE_ENDIAN_BITFIELD) | |
27 | __u32 reserved:5, | |
28 | override:1, | |
29 | solicited:1, | |
30 | router:1, | |
31 | reserved2:24; | |
32 | #elif defined(__BIG_ENDIAN_BITFIELD) | |
33 | __u32 router:1, | |
34 | solicited:1, | |
35 | override:1, | |
36 | reserved:29; | |
37 | #else | |
38 | #error "Please fix <asm/byteorder.h>" | |
39 | #endif | |
40 | } u_nd_advt; | |
41 | ||
42 | struct icmpv6_nd_ra { | |
43 | __u8 hop_limit; | |
44 | #if defined(__LITTLE_ENDIAN_BITFIELD) | |
45 | __u8 reserved:3, | |
46 | router_pref:2, | |
47 | home_agent:1, | |
48 | other:1, | |
49 | managed:1; | |
50 | ||
51 | #elif defined(__BIG_ENDIAN_BITFIELD) | |
52 | __u8 managed:1, | |
53 | other:1, | |
54 | home_agent:1, | |
55 | router_pref:2, | |
56 | reserved:3; | |
57 | #else | |
58 | #error "Please fix <asm/byteorder.h>" | |
59 | #endif | |
60 | __be16 rt_lifetime; | |
61 | } u_nd_ra; | |
62 | ||
63 | } icmp6_dataun; | |
64 | ||
65 | #define icmp6_identifier icmp6_dataun.u_echo.identifier | |
66 | #define icmp6_sequence icmp6_dataun.u_echo.sequence | |
67 | #define icmp6_pointer icmp6_dataun.un_data32[0] | |
68 | #define icmp6_mtu icmp6_dataun.un_data32[0] | |
69 | #define icmp6_unused icmp6_dataun.un_data32[0] | |
70 | #define icmp6_maxdelay icmp6_dataun.un_data16[0] | |
01370434 | 71 | #define icmp6_datagram_len icmp6_dataun.un_data8[0] |
607ca46e DH |
72 | #define icmp6_router icmp6_dataun.u_nd_advt.router |
73 | #define icmp6_solicited icmp6_dataun.u_nd_advt.solicited | |
74 | #define icmp6_override icmp6_dataun.u_nd_advt.override | |
75 | #define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved | |
76 | #define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit | |
77 | #define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed | |
78 | #define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other | |
79 | #define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime | |
80 | #define icmp6_router_pref icmp6_dataun.u_nd_ra.router_pref | |
81 | }; | |
82 | ||
83 | ||
84 | #define ICMPV6_ROUTER_PREF_LOW 0x3 | |
85 | #define ICMPV6_ROUTER_PREF_MEDIUM 0x0 | |
86 | #define ICMPV6_ROUTER_PREF_HIGH 0x1 | |
87 | #define ICMPV6_ROUTER_PREF_INVALID 0x2 | |
88 | ||
89 | #define ICMPV6_DEST_UNREACH 1 | |
90 | #define ICMPV6_PKT_TOOBIG 2 | |
91 | #define ICMPV6_TIME_EXCEED 3 | |
92 | #define ICMPV6_PARAMPROB 4 | |
93 | ||
0bc19985 SS |
94 | #define ICMPV6_ERRMSG_MAX 127 |
95 | ||
607ca46e DH |
96 | #define ICMPV6_INFOMSG_MASK 0x80 |
97 | ||
98 | #define ICMPV6_ECHO_REQUEST 128 | |
99 | #define ICMPV6_ECHO_REPLY 129 | |
100 | #define ICMPV6_MGM_QUERY 130 | |
101 | #define ICMPV6_MGM_REPORT 131 | |
102 | #define ICMPV6_MGM_REDUCTION 132 | |
103 | ||
104 | #define ICMPV6_NI_QUERY 139 | |
105 | #define ICMPV6_NI_REPLY 140 | |
106 | ||
107 | #define ICMPV6_MLD2_REPORT 143 | |
108 | ||
109 | #define ICMPV6_DHAAD_REQUEST 144 | |
110 | #define ICMPV6_DHAAD_REPLY 145 | |
111 | #define ICMPV6_MOBILE_PREFIX_SOL 146 | |
112 | #define ICMPV6_MOBILE_PREFIX_ADV 147 | |
113 | ||
4b3087c7 LL |
114 | #define ICMPV6_MRDISC_ADV 151 |
115 | ||
0bc19985 SS |
116 | #define ICMPV6_MSG_MAX 255 |
117 | ||
607ca46e DH |
118 | /* |
119 | * Codes for Destination Unreachable | |
120 | */ | |
121 | #define ICMPV6_NOROUTE 0 | |
122 | #define ICMPV6_ADM_PROHIBITED 1 | |
123 | #define ICMPV6_NOT_NEIGHBOUR 2 | |
124 | #define ICMPV6_ADDR_UNREACH 3 | |
125 | #define ICMPV6_PORT_UNREACH 4 | |
61e76b17 JB |
126 | #define ICMPV6_POLICY_FAIL 5 |
127 | #define ICMPV6_REJECT_ROUTE 6 | |
607ca46e DH |
128 | |
129 | /* | |
130 | * Codes for Time Exceeded | |
131 | */ | |
132 | #define ICMPV6_EXC_HOPLIMIT 0 | |
133 | #define ICMPV6_EXC_FRAGTIME 1 | |
134 | ||
135 | /* | |
136 | * Codes for Parameter Problem | |
137 | */ | |
138 | #define ICMPV6_HDR_FIELD 0 | |
139 | #define ICMPV6_UNK_NEXTHDR 1 | |
140 | #define ICMPV6_UNK_OPTION 2 | |
b59e286b | 141 | #define ICMPV6_HDR_INCOMP 3 |
607ca46e DH |
142 | |
143 | /* | |
144 | * constants for (set|get)sockopt | |
145 | */ | |
146 | ||
147 | #define ICMPV6_FILTER 1 | |
148 | ||
149 | /* | |
150 | * ICMPV6 filter | |
151 | */ | |
152 | ||
153 | #define ICMPV6_FILTER_BLOCK 1 | |
154 | #define ICMPV6_FILTER_PASS 2 | |
155 | #define ICMPV6_FILTER_BLOCKOTHERS 3 | |
156 | #define ICMPV6_FILTER_PASSONLY 4 | |
157 | ||
158 | struct icmp6_filter { | |
159 | __u32 data[8]; | |
160 | }; | |
161 | ||
162 | /* | |
163 | * Definitions for MLDv2 | |
164 | */ | |
165 | #define MLD2_MODE_IS_INCLUDE 1 | |
166 | #define MLD2_MODE_IS_EXCLUDE 2 | |
167 | #define MLD2_CHANGE_TO_INCLUDE 3 | |
168 | #define MLD2_CHANGE_TO_EXCLUDE 4 | |
169 | #define MLD2_ALLOW_NEW_SOURCES 5 | |
170 | #define MLD2_BLOCK_OLD_SOURCES 6 | |
171 | ||
172 | #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } } | |
173 | ||
174 | ||
175 | #endif /* _UAPI_LINUX_ICMPV6_H */ |