[337] | 1 | #ifndef _NETINET_ICMP6_H
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| 2 | #define _NETINET_ICMP6_H
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| 3 |
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| 4 | #ifdef __cplusplus
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| 5 | extern "C" {
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| 6 | #endif
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| 7 |
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| 8 | #include <stdint.h>
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| 9 | #include <string.h>
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| 10 | #include <sys/types.h>
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| 11 | #include <netinet/in.h>
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| 12 |
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| 13 | #define ICMP6_FILTER 1
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| 14 |
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| 15 | #define ICMP6_FILTER_BLOCK 1
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| 16 | #define ICMP6_FILTER_PASS 2
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| 17 | #define ICMP6_FILTER_BLOCKOTHERS 3
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| 18 | #define ICMP6_FILTER_PASSONLY 4
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| 19 |
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| 20 | struct icmp6_filter {
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| 21 | uint32_t icmp6_filt[8];
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| 22 | };
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| 23 |
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| 24 | struct icmp6_hdr {
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| 25 | uint8_t icmp6_type;
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| 26 | uint8_t icmp6_code;
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| 27 | uint16_t icmp6_cksum;
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| 28 | union {
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| 29 | uint32_t icmp6_un_data32[1];
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| 30 | uint16_t icmp6_un_data16[2];
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| 31 | uint8_t icmp6_un_data8[4];
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| 32 | } icmp6_dataun;
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| 33 | };
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| 34 |
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| 35 | #define icmp6_data32 icmp6_dataun.icmp6_un_data32
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| 36 | #define icmp6_data16 icmp6_dataun.icmp6_un_data16
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| 37 | #define icmp6_data8 icmp6_dataun.icmp6_un_data8
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| 38 | #define icmp6_pptr icmp6_data32[0]
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| 39 | #define icmp6_mtu icmp6_data32[0]
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| 40 | #define icmp6_id icmp6_data16[0]
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| 41 | #define icmp6_seq icmp6_data16[1]
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| 42 | #define icmp6_maxdelay icmp6_data16[0]
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| 43 |
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| 44 | #define ICMP6_DST_UNREACH 1
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| 45 | #define ICMP6_PACKET_TOO_BIG 2
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| 46 | #define ICMP6_TIME_EXCEEDED 3
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| 47 | #define ICMP6_PARAM_PROB 4
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| 48 |
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| 49 | #define ICMP6_INFOMSG_MASK 0x80
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| 50 |
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| 51 | #define ICMP6_ECHO_REQUEST 128
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| 52 | #define ICMP6_ECHO_REPLY 129
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| 53 | #define MLD_LISTENER_QUERY 130
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| 54 | #define MLD_LISTENER_REPORT 131
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| 55 | #define MLD_LISTENER_REDUCTION 132
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| 56 |
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| 57 | #define ICMP6_DST_UNREACH_NOROUTE 0
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| 58 | #define ICMP6_DST_UNREACH_ADMIN 1
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| 59 | #define ICMP6_DST_UNREACH_BEYONDSCOPE 2
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| 60 | #define ICMP6_DST_UNREACH_ADDR 3
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| 61 | #define ICMP6_DST_UNREACH_NOPORT 4
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| 62 |
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| 63 | #define ICMP6_TIME_EXCEED_TRANSIT 0
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| 64 | #define ICMP6_TIME_EXCEED_REASSEMBLY 1
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| 65 |
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| 66 | #define ICMP6_PARAMPROB_HEADER 0
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| 67 | #define ICMP6_PARAMPROB_NEXTHEADER 1
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| 68 | #define ICMP6_PARAMPROB_OPTION 2
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| 69 |
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| 70 | #define ICMP6_FILTER_WILLPASS(type, filterp) \
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| 71 | ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
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| 72 |
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| 73 | #define ICMP6_FILTER_WILLBLOCK(type, filterp) \
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| 74 | ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
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| 75 |
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| 76 | #define ICMP6_FILTER_SETPASS(type, filterp) \
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| 77 | ((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31))))
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| 78 |
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| 79 | #define ICMP6_FILTER_SETBLOCK(type, filterp) \
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| 80 | ((((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31))))
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| 81 |
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| 82 | #define ICMP6_FILTER_SETPASSALL(filterp) \
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| 83 | memset (filterp, 0, sizeof (struct icmp6_filter));
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| 84 |
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| 85 | #define ICMP6_FILTER_SETBLOCKALL(filterp) \
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| 86 | memset (filterp, 0xFF, sizeof (struct icmp6_filter));
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| 87 |
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| 88 | #define ND_ROUTER_SOLICIT 133
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| 89 | #define ND_ROUTER_ADVERT 134
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| 90 | #define ND_NEIGHBOR_SOLICIT 135
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| 91 | #define ND_NEIGHBOR_ADVERT 136
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| 92 | #define ND_REDIRECT 137
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| 93 |
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| 94 | struct nd_router_solicit {
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| 95 | struct icmp6_hdr nd_rs_hdr;
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| 96 | };
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| 97 |
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| 98 | #define nd_rs_type nd_rs_hdr.icmp6_type
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| 99 | #define nd_rs_code nd_rs_hdr.icmp6_code
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| 100 | #define nd_rs_cksum nd_rs_hdr.icmp6_cksum
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| 101 | #define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
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| 102 |
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| 103 | struct nd_router_advert {
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| 104 | struct icmp6_hdr nd_ra_hdr;
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| 105 | uint32_t nd_ra_reachable;
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| 106 | uint32_t nd_ra_retransmit;
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| 107 | };
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| 108 |
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| 109 | #define nd_ra_type nd_ra_hdr.icmp6_type
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| 110 | #define nd_ra_code nd_ra_hdr.icmp6_code
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| 111 | #define nd_ra_cksum nd_ra_hdr.icmp6_cksum
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| 112 | #define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
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| 113 | #define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
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| 114 | #define ND_RA_FLAG_MANAGED 0x80
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| 115 | #define ND_RA_FLAG_OTHER 0x40
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| 116 | #define ND_RA_FLAG_HOME_AGENT 0x20
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| 117 | #define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
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| 118 |
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| 119 | struct nd_neighbor_solicit {
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| 120 | struct icmp6_hdr nd_ns_hdr;
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| 121 | struct in6_addr nd_ns_target;
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| 122 | };
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| 123 |
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| 124 | #define nd_ns_type nd_ns_hdr.icmp6_type
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| 125 | #define nd_ns_code nd_ns_hdr.icmp6_code
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| 126 | #define nd_ns_cksum nd_ns_hdr.icmp6_cksum
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| 127 | #define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
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| 128 |
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| 129 | struct nd_neighbor_advert {
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| 130 | struct icmp6_hdr nd_na_hdr;
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| 131 | struct in6_addr nd_na_target;
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| 132 | };
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| 133 |
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| 134 | #define nd_na_type nd_na_hdr.icmp6_type
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| 135 | #define nd_na_code nd_na_hdr.icmp6_code
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| 136 | #define nd_na_cksum nd_na_hdr.icmp6_cksum
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| 137 | #define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
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| 138 | #if __BYTE_ORDER == __BIG_ENDIAN
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| 139 | #define ND_NA_FLAG_ROUTER 0x80000000
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| 140 | #define ND_NA_FLAG_SOLICITED 0x40000000
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| 141 | #define ND_NA_FLAG_OVERRIDE 0x20000000
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| 142 | #else
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| 143 | #define ND_NA_FLAG_ROUTER 0x00000080
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| 144 | #define ND_NA_FLAG_SOLICITED 0x00000040
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| 145 | #define ND_NA_FLAG_OVERRIDE 0x00000020
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| 146 | #endif
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| 147 |
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| 148 | struct nd_redirect {
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| 149 | struct icmp6_hdr nd_rd_hdr;
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| 150 | struct in6_addr nd_rd_target;
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| 151 | struct in6_addr nd_rd_dst;
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| 152 | };
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| 153 |
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| 154 | #define nd_rd_type nd_rd_hdr.icmp6_type
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| 155 | #define nd_rd_code nd_rd_hdr.icmp6_code
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| 156 | #define nd_rd_cksum nd_rd_hdr.icmp6_cksum
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| 157 | #define nd_rd_reserved nd_rd_hdr.icmp6_data32[0]
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| 158 |
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| 159 | struct nd_opt_hdr {
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| 160 | uint8_t nd_opt_type;
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| 161 | uint8_t nd_opt_len;
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| 162 | };
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| 163 |
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| 164 | #define ND_OPT_SOURCE_LINKADDR 1
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| 165 | #define ND_OPT_TARGET_LINKADDR 2
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| 166 | #define ND_OPT_PREFIX_INFORMATION 3
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| 167 | #define ND_OPT_REDIRECTED_HEADER 4
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| 168 | #define ND_OPT_MTU 5
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| 169 | #define ND_OPT_RTR_ADV_INTERVAL 7
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| 170 | #define ND_OPT_HOME_AGENT_INFO 8
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| 171 |
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| 172 | struct nd_opt_prefix_info {
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| 173 | uint8_t nd_opt_pi_type;
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| 174 | uint8_t nd_opt_pi_len;
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| 175 | uint8_t nd_opt_pi_prefix_len;
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| 176 | uint8_t nd_opt_pi_flags_reserved;
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| 177 | uint32_t nd_opt_pi_valid_time;
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| 178 | uint32_t nd_opt_pi_preferred_time;
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| 179 | uint32_t nd_opt_pi_reserved2;
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| 180 | struct in6_addr nd_opt_pi_prefix;
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| 181 | };
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| 182 |
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| 183 | #define ND_OPT_PI_FLAG_ONLINK 0x80
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| 184 | #define ND_OPT_PI_FLAG_AUTO 0x40
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| 185 | #define ND_OPT_PI_FLAG_RADDR 0x20
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| 186 |
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| 187 | struct nd_opt_rd_hdr {
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| 188 | uint8_t nd_opt_rh_type;
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| 189 | uint8_t nd_opt_rh_len;
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| 190 | uint16_t nd_opt_rh_reserved1;
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| 191 | uint32_t nd_opt_rh_reserved2;
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| 192 | };
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| 193 |
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| 194 | struct nd_opt_mtu {
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| 195 | uint8_t nd_opt_mtu_type;
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| 196 | uint8_t nd_opt_mtu_len;
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| 197 | uint16_t nd_opt_mtu_reserved;
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| 198 | uint32_t nd_opt_mtu_mtu;
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| 199 | };
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| 200 |
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| 201 | struct mld_hdr {
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| 202 | struct icmp6_hdr mld_icmp6_hdr;
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| 203 | struct in6_addr mld_addr;
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| 204 | };
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| 205 |
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| 206 | #define mld_type mld_icmp6_hdr.icmp6_type
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| 207 | #define mld_code mld_icmp6_hdr.icmp6_code
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| 208 | #define mld_cksum mld_icmp6_hdr.icmp6_cksum
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| 209 | #define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0]
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| 210 | #define mld_reserved mld_icmp6_hdr.icmp6_data16[1]
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| 211 |
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| 212 | #define ICMP6_ROUTER_RENUMBERING 138
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| 213 |
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| 214 | struct icmp6_router_renum {
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| 215 | struct icmp6_hdr rr_hdr;
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| 216 | uint8_t rr_segnum;
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| 217 | uint8_t rr_flags;
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| 218 | uint16_t rr_maxdelay;
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| 219 | uint32_t rr_reserved;
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| 220 | };
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| 221 |
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| 222 | #define rr_type rr_hdr.icmp6_type
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| 223 | #define rr_code rr_hdr.icmp6_code
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| 224 | #define rr_cksum rr_hdr.icmp6_cksum
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| 225 | #define rr_seqnum rr_hdr.icmp6_data32[0]
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| 226 |
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| 227 | #define ICMP6_RR_FLAGS_TEST 0x80
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| 228 | #define ICMP6_RR_FLAGS_REQRESULT 0x40
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| 229 | #define ICMP6_RR_FLAGS_FORCEAPPLY 0x20
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| 230 | #define ICMP6_RR_FLAGS_SPECSITE 0x10
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| 231 | #define ICMP6_RR_FLAGS_PREVDONE 0x08
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| 232 |
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| 233 | struct rr_pco_match {
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| 234 | uint8_t rpm_code;
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| 235 | uint8_t rpm_len;
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| 236 | uint8_t rpm_ordinal;
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| 237 | uint8_t rpm_matchlen;
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| 238 | uint8_t rpm_minlen;
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| 239 | uint8_t rpm_maxlen;
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| 240 | uint16_t rpm_reserved;
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| 241 | struct in6_addr rpm_prefix;
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| 242 | };
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| 243 |
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| 244 | #define RPM_PCO_ADD 1
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| 245 | #define RPM_PCO_CHANGE 2
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| 246 | #define RPM_PCO_SETGLOBAL 3
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| 247 |
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| 248 | struct rr_pco_use {
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| 249 | uint8_t rpu_uselen;
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| 250 | uint8_t rpu_keeplen;
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| 251 | uint8_t rpu_ramask;
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| 252 | uint8_t rpu_raflags;
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| 253 | uint32_t rpu_vltime;
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| 254 | uint32_t rpu_pltime;
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| 255 | uint32_t rpu_flags;
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| 256 | struct in6_addr rpu_prefix;
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| 257 | };
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| 258 |
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| 259 | #define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x20
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| 260 | #define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x10
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| 261 |
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| 262 | #if __BYTE_ORDER == __BIG_ENDIAN
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| 263 | #define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
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| 264 | #define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
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| 265 | #else
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| 266 | #define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
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| 267 | #define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
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| 268 | #endif
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| 269 |
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| 270 | struct rr_result {
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| 271 | uint16_t rrr_flags;
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| 272 | uint8_t rrr_ordinal;
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| 273 | uint8_t rrr_matchedlen;
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| 274 | uint32_t rrr_ifid;
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| 275 | struct in6_addr rrr_prefix;
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| 276 | };
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| 277 |
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| 278 | #if __BYTE_ORDER == __BIG_ENDIAN
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| 279 | #define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
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| 280 | #define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
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| 281 | #else
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| 282 | #define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
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| 283 | #define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
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| 284 | #endif
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| 285 |
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| 286 | struct nd_opt_adv_interval {
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| 287 | uint8_t nd_opt_adv_interval_type;
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| 288 | uint8_t nd_opt_adv_interval_len;
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| 289 | uint16_t nd_opt_adv_interval_reserved;
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| 290 | uint32_t nd_opt_adv_interval_ival;
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| 291 | };
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| 292 |
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| 293 | struct nd_opt_home_agent_info {
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| 294 | uint8_t nd_opt_home_agent_info_type;
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| 295 | uint8_t nd_opt_home_agent_info_len;
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| 296 | uint16_t nd_opt_home_agent_info_reserved;
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| 297 | uint16_t nd_opt_home_agent_info_preference;
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| 298 | uint16_t nd_opt_home_agent_info_lifetime;
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| 299 | };
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| 300 |
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| 301 | #ifdef __cplusplus
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| 302 | }
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| 303 | #endif
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| 304 |
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| 305 | #endif
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