1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_ICMPV6_H
3 #define _UAPI_LINUX_ICMPV6_H
5 #include <linux/types.h>
6 #include <asm/byteorder.h>
25 struct icmpv6_nd_advt {
26 #if defined(__LITTLE_ENDIAN_BITFIELD)
32 #elif defined(__BIG_ENDIAN_BITFIELD)
38 #error "Please fix <asm/byteorder.h>"
44 #if defined(__LITTLE_ENDIAN_BITFIELD)
51 #elif defined(__BIG_ENDIAN_BITFIELD)
58 #error "Please fix <asm/byteorder.h>"
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_router icmp6_dataun.u_nd_advt.router
72 #define icmp6_solicited icmp6_dataun.u_nd_advt.solicited
73 #define icmp6_override icmp6_dataun.u_nd_advt.override
74 #define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved
75 #define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit
76 #define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed
77 #define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other
78 #define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime
79 #define icmp6_router_pref icmp6_dataun.u_nd_ra.router_pref
83 #define ICMPV6_ROUTER_PREF_LOW 0x3
84 #define ICMPV6_ROUTER_PREF_MEDIUM 0x0
85 #define ICMPV6_ROUTER_PREF_HIGH 0x1
86 #define ICMPV6_ROUTER_PREF_INVALID 0x2
88 #define ICMPV6_DEST_UNREACH 1
89 #define ICMPV6_PKT_TOOBIG 2
90 #define ICMPV6_TIME_EXCEED 3
91 #define ICMPV6_PARAMPROB 4
93 #define ICMPV6_ERRMSG_MAX 127
95 #define ICMPV6_INFOMSG_MASK 0x80
97 #define ICMPV6_ECHO_REQUEST 128
98 #define ICMPV6_ECHO_REPLY 129
99 #define ICMPV6_MGM_QUERY 130
100 #define ICMPV6_MGM_REPORT 131
101 #define ICMPV6_MGM_REDUCTION 132
103 #define ICMPV6_NI_QUERY 139
104 #define ICMPV6_NI_REPLY 140
106 #define ICMPV6_MLD2_REPORT 143
108 #define ICMPV6_DHAAD_REQUEST 144
109 #define ICMPV6_DHAAD_REPLY 145
110 #define ICMPV6_MOBILE_PREFIX_SOL 146
111 #define ICMPV6_MOBILE_PREFIX_ADV 147
113 #define ICMPV6_MRDISC_ADV 151
115 #define ICMPV6_MSG_MAX 255
118 * Codes for Destination Unreachable
120 #define ICMPV6_NOROUTE 0
121 #define ICMPV6_ADM_PROHIBITED 1
122 #define ICMPV6_NOT_NEIGHBOUR 2
123 #define ICMPV6_ADDR_UNREACH 3
124 #define ICMPV6_PORT_UNREACH 4
125 #define ICMPV6_POLICY_FAIL 5
126 #define ICMPV6_REJECT_ROUTE 6
129 * Codes for Time Exceeded
131 #define ICMPV6_EXC_HOPLIMIT 0
132 #define ICMPV6_EXC_FRAGTIME 1
135 * Codes for Parameter Problem
137 #define ICMPV6_HDR_FIELD 0
138 #define ICMPV6_UNK_NEXTHDR 1
139 #define ICMPV6_UNK_OPTION 2
140 #define ICMPV6_HDR_INCOMP 3
143 * constants for (set|get)sockopt
146 #define ICMPV6_FILTER 1
152 #define ICMPV6_FILTER_BLOCK 1
153 #define ICMPV6_FILTER_PASS 2
154 #define ICMPV6_FILTER_BLOCKOTHERS 3
155 #define ICMPV6_FILTER_PASSONLY 4
157 struct icmp6_filter {
162 * Definitions for MLDv2
164 #define MLD2_MODE_IS_INCLUDE 1
165 #define MLD2_MODE_IS_EXCLUDE 2
166 #define MLD2_CHANGE_TO_INCLUDE 3
167 #define MLD2_CHANGE_TO_EXCLUDE 4
168 #define MLD2_ALLOW_NEW_SOURCES 5
169 #define MLD2_BLOCK_OLD_SOURCES 6
171 #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } }
174 #endif /* _UAPI_LINUX_ICMPV6_H */