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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