1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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] |
71 | #define icmp6_datagram_len icmp6_dataun.un_data8[0] |
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 | |
94 | #define ICMPV6_ERRMSG_MAX 127 |
95 | |
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 | |
114 | #define ICMPV6_MRDISC_ADV 151 |
115 | |
116 | #define ICMPV6_MSG_MAX 255 |
117 | |
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 |
126 | #define ICMPV6_POLICY_FAIL 5 |
127 | #define ICMPV6_REJECT_ROUTE 6 |
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 |
141 | #define ICMPV6_HDR_INCOMP 3 |
142 | |
143 | /* Codes for EXT_ECHO (PROBE) */ |
144 | #define ICMPV6_EXT_ECHO_REQUEST 160 |
145 | #define ICMPV6_EXT_ECHO_REPLY 161 |
146 | /* |
147 | * constants for (set|get)sockopt |
148 | */ |
149 | |
150 | #define ICMPV6_FILTER 1 |
151 | |
152 | /* |
153 | * ICMPV6 filter |
154 | */ |
155 | |
156 | #define ICMPV6_FILTER_BLOCK 1 |
157 | #define ICMPV6_FILTER_PASS 2 |
158 | #define ICMPV6_FILTER_BLOCKOTHERS 3 |
159 | #define ICMPV6_FILTER_PASSONLY 4 |
160 | |
161 | struct icmp6_filter { |
162 | __u32 data[8]; |
163 | }; |
164 | |
165 | /* |
166 | * Definitions for MLDv2 |
167 | */ |
168 | #define MLD2_MODE_IS_INCLUDE 1 |
169 | #define MLD2_MODE_IS_EXCLUDE 2 |
170 | #define MLD2_CHANGE_TO_INCLUDE 3 |
171 | #define MLD2_CHANGE_TO_EXCLUDE 4 |
172 | #define MLD2_ALLOW_NEW_SOURCES 5 |
173 | #define MLD2_BLOCK_OLD_SOURCES 6 |
174 | |
175 | #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } } |
176 | |
177 | |
178 | #endif /* _UAPI_LINUX_ICMPV6_H */ |
179 | |