BadVPN – Blame information for rev 1
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1 | office | 1 | /** |
2 | * @file |
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3 | * ND6 protocol definitions |
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4 | */ |
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5 | |||
6 | /* |
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7 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
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8 | * All rights reserved. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without modification, |
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11 | * are permitted provided that the following conditions are met: |
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12 | * |
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13 | * 1. Redistributions of source code must retain the above copyright notice, |
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14 | * this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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16 | * this list of conditions and the following disclaimer in the documentation |
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17 | * and/or other materials provided with the distribution. |
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18 | * 3. The name of the author may not be used to endorse or promote products |
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19 | * derived from this software without specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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23 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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24 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
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26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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29 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
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30 | * OF SUCH DAMAGE. |
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31 | * |
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32 | * This file is part of the lwIP TCP/IP stack. |
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33 | * |
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34 | * Author: Adam Dunkels <adam@sics.se> |
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35 | * |
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36 | */ |
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37 | #ifndef LWIP_HDR_PROT_ND6_H |
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38 | #define LWIP_HDR_PROT_ND6_H |
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39 | |||
40 | #include "lwip/arch.h" |
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41 | #include "lwip/ip6_addr.h" |
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42 | #include "lwip/prot/ip6.h" |
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43 | |||
44 | #ifdef __cplusplus |
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45 | extern "C" { |
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46 | #endif |
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47 | |||
48 | /** Neighbor solicitation message header. */ |
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49 | #ifdef PACK_STRUCT_USE_INCLUDES |
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50 | # include "arch/bpstruct.h" |
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51 | #endif |
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52 | PACK_STRUCT_BEGIN |
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53 | struct ns_header { |
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54 | PACK_STRUCT_FLD_8(u8_t type); |
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55 | PACK_STRUCT_FLD_8(u8_t code); |
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56 | PACK_STRUCT_FIELD(u16_t chksum); |
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57 | PACK_STRUCT_FIELD(u32_t reserved); |
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58 | PACK_STRUCT_FLD_S(ip6_addr_p_t target_address); |
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59 | /* Options follow. */ |
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60 | } PACK_STRUCT_STRUCT; |
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61 | PACK_STRUCT_END |
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62 | #ifdef PACK_STRUCT_USE_INCLUDES |
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63 | # include "arch/epstruct.h" |
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64 | #endif |
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65 | |||
66 | /** Neighbor advertisement message header. */ |
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67 | #ifdef PACK_STRUCT_USE_INCLUDES |
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68 | # include "arch/bpstruct.h" |
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69 | #endif |
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70 | PACK_STRUCT_BEGIN |
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71 | struct na_header { |
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72 | PACK_STRUCT_FLD_8(u8_t type); |
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73 | PACK_STRUCT_FLD_8(u8_t code); |
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74 | PACK_STRUCT_FIELD(u16_t chksum); |
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75 | PACK_STRUCT_FLD_8(u8_t flags); |
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76 | PACK_STRUCT_FLD_8(u8_t reserved[3]); |
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77 | PACK_STRUCT_FLD_S(ip6_addr_p_t target_address); |
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78 | /* Options follow. */ |
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79 | } PACK_STRUCT_STRUCT; |
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80 | PACK_STRUCT_END |
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81 | #ifdef PACK_STRUCT_USE_INCLUDES |
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82 | # include "arch/epstruct.h" |
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83 | #endif |
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84 | #define ND6_FLAG_ROUTER (0x80) |
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85 | #define ND6_FLAG_SOLICITED (0x40) |
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86 | #define ND6_FLAG_OVERRIDE (0x20) |
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87 | |||
88 | /** Router solicitation message header. */ |
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89 | #ifdef PACK_STRUCT_USE_INCLUDES |
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90 | # include "arch/bpstruct.h" |
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91 | #endif |
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92 | PACK_STRUCT_BEGIN |
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93 | struct rs_header { |
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94 | PACK_STRUCT_FLD_8(u8_t type); |
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95 | PACK_STRUCT_FLD_8(u8_t code); |
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96 | PACK_STRUCT_FIELD(u16_t chksum); |
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97 | PACK_STRUCT_FIELD(u32_t reserved); |
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98 | /* Options follow. */ |
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99 | } PACK_STRUCT_STRUCT; |
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100 | PACK_STRUCT_END |
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101 | #ifdef PACK_STRUCT_USE_INCLUDES |
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102 | # include "arch/epstruct.h" |
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103 | #endif |
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104 | |||
105 | /** Router advertisement message header. */ |
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106 | #define ND6_RA_FLAG_MANAGED_ADDR_CONFIG (0x80) |
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107 | #define ND6_RA_FLAG_OTHER_CONFIG (0x40) |
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108 | #define ND6_RA_FLAG_HOME_AGENT (0x20) |
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109 | #define ND6_RA_PREFERENCE_MASK (0x18) |
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110 | #define ND6_RA_PREFERENCE_HIGH (0x08) |
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111 | #define ND6_RA_PREFERENCE_MEDIUM (0x00) |
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112 | #define ND6_RA_PREFERENCE_LOW (0x18) |
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113 | #define ND6_RA_PREFERENCE_DISABLED (0x10) |
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114 | #ifdef PACK_STRUCT_USE_INCLUDES |
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115 | # include "arch/bpstruct.h" |
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116 | #endif |
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117 | PACK_STRUCT_BEGIN |
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118 | struct ra_header { |
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119 | PACK_STRUCT_FLD_8(u8_t type); |
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120 | PACK_STRUCT_FLD_8(u8_t code); |
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121 | PACK_STRUCT_FIELD(u16_t chksum); |
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122 | PACK_STRUCT_FLD_8(u8_t current_hop_limit); |
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123 | PACK_STRUCT_FLD_8(u8_t flags); |
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124 | PACK_STRUCT_FIELD(u16_t router_lifetime); |
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125 | PACK_STRUCT_FIELD(u32_t reachable_time); |
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126 | PACK_STRUCT_FIELD(u32_t retrans_timer); |
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127 | /* Options follow. */ |
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128 | } PACK_STRUCT_STRUCT; |
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129 | PACK_STRUCT_END |
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130 | #ifdef PACK_STRUCT_USE_INCLUDES |
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131 | # include "arch/epstruct.h" |
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132 | #endif |
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133 | |||
134 | /** Redirect message header. */ |
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135 | #ifdef PACK_STRUCT_USE_INCLUDES |
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136 | # include "arch/bpstruct.h" |
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137 | #endif |
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138 | PACK_STRUCT_BEGIN |
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139 | struct redirect_header { |
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140 | PACK_STRUCT_FLD_8(u8_t type); |
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141 | PACK_STRUCT_FLD_8(u8_t code); |
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142 | PACK_STRUCT_FIELD(u16_t chksum); |
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143 | PACK_STRUCT_FIELD(u32_t reserved); |
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144 | PACK_STRUCT_FLD_S(ip6_addr_p_t target_address); |
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145 | PACK_STRUCT_FLD_S(ip6_addr_p_t destination_address); |
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146 | /* Options follow. */ |
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147 | } PACK_STRUCT_STRUCT; |
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148 | PACK_STRUCT_END |
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149 | #ifdef PACK_STRUCT_USE_INCLUDES |
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150 | # include "arch/epstruct.h" |
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151 | #endif |
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152 | |||
153 | /** Link-layer address option. */ |
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154 | #define ND6_OPTION_TYPE_SOURCE_LLADDR (0x01) |
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155 | #define ND6_OPTION_TYPE_TARGET_LLADDR (0x02) |
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156 | #ifdef PACK_STRUCT_USE_INCLUDES |
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157 | # include "arch/bpstruct.h" |
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158 | #endif |
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159 | PACK_STRUCT_BEGIN |
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160 | struct lladdr_option { |
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161 | PACK_STRUCT_FLD_8(u8_t type); |
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162 | PACK_STRUCT_FLD_8(u8_t length); |
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163 | PACK_STRUCT_FLD_8(u8_t addr[NETIF_MAX_HWADDR_LEN]); |
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164 | } PACK_STRUCT_STRUCT; |
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165 | PACK_STRUCT_END |
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166 | #ifdef PACK_STRUCT_USE_INCLUDES |
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167 | # include "arch/epstruct.h" |
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168 | #endif |
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169 | |||
170 | /** Prefix information option. */ |
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171 | #define ND6_OPTION_TYPE_PREFIX_INFO (0x03) |
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172 | #define ND6_PREFIX_FLAG_ON_LINK (0x80) |
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173 | #define ND6_PREFIX_FLAG_AUTONOMOUS (0x40) |
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174 | #define ND6_PREFIX_FLAG_ROUTER_ADDRESS (0x20) |
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175 | #define ND6_PREFIX_FLAG_SITE_PREFIX (0x10) |
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176 | #ifdef PACK_STRUCT_USE_INCLUDES |
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177 | # include "arch/bpstruct.h" |
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178 | #endif |
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179 | PACK_STRUCT_BEGIN |
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180 | struct prefix_option { |
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181 | PACK_STRUCT_FLD_8(u8_t type); |
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182 | PACK_STRUCT_FLD_8(u8_t length); |
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183 | PACK_STRUCT_FLD_8(u8_t prefix_length); |
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184 | PACK_STRUCT_FLD_8(u8_t flags); |
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185 | PACK_STRUCT_FIELD(u32_t valid_lifetime); |
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186 | PACK_STRUCT_FIELD(u32_t preferred_lifetime); |
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187 | PACK_STRUCT_FLD_8(u8_t reserved2[3]); |
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188 | PACK_STRUCT_FLD_8(u8_t site_prefix_length); |
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189 | PACK_STRUCT_FLD_S(ip6_addr_p_t prefix); |
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190 | } PACK_STRUCT_STRUCT; |
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191 | PACK_STRUCT_END |
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192 | #ifdef PACK_STRUCT_USE_INCLUDES |
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193 | # include "arch/epstruct.h" |
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194 | #endif |
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195 | |||
196 | /** Redirected header option. */ |
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197 | #define ND6_OPTION_TYPE_REDIR_HDR (0x04) |
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198 | #ifdef PACK_STRUCT_USE_INCLUDES |
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199 | # include "arch/bpstruct.h" |
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200 | #endif |
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201 | PACK_STRUCT_BEGIN |
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202 | struct redirected_header_option { |
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203 | PACK_STRUCT_FLD_8(u8_t type); |
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204 | PACK_STRUCT_FLD_8(u8_t length); |
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205 | PACK_STRUCT_FLD_8(u8_t reserved[6]); |
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206 | /* Portion of redirected packet follows. */ |
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207 | /* PACK_STRUCT_FLD_8(u8_t redirected[8]); */ |
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208 | } PACK_STRUCT_STRUCT; |
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209 | PACK_STRUCT_END |
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210 | #ifdef PACK_STRUCT_USE_INCLUDES |
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211 | # include "arch/epstruct.h" |
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212 | #endif |
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213 | |||
214 | /** MTU option. */ |
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215 | #define ND6_OPTION_TYPE_MTU (0x05) |
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216 | #ifdef PACK_STRUCT_USE_INCLUDES |
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217 | # include "arch/bpstruct.h" |
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218 | #endif |
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219 | PACK_STRUCT_BEGIN |
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220 | struct mtu_option { |
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221 | PACK_STRUCT_FLD_8(u8_t type); |
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222 | PACK_STRUCT_FLD_8(u8_t length); |
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223 | PACK_STRUCT_FIELD(u16_t reserved); |
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224 | PACK_STRUCT_FIELD(u32_t mtu); |
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225 | } PACK_STRUCT_STRUCT; |
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226 | PACK_STRUCT_END |
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227 | #ifdef PACK_STRUCT_USE_INCLUDES |
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228 | # include "arch/epstruct.h" |
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229 | #endif |
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230 | |||
231 | /** Route information option. */ |
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232 | #define ND6_OPTION_TYPE_ROUTE_INFO (24) |
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233 | #ifdef PACK_STRUCT_USE_INCLUDES |
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234 | # include "arch/bpstruct.h" |
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235 | #endif |
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236 | PACK_STRUCT_BEGIN |
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237 | struct route_option { |
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238 | PACK_STRUCT_FLD_8(u8_t type); |
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239 | PACK_STRUCT_FLD_8(u8_t length); |
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240 | PACK_STRUCT_FLD_8(u8_t prefix_length); |
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241 | PACK_STRUCT_FLD_8(u8_t preference); |
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242 | PACK_STRUCT_FIELD(u32_t route_lifetime); |
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243 | PACK_STRUCT_FLD_S(ip6_addr_p_t prefix); |
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244 | } PACK_STRUCT_STRUCT; |
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245 | PACK_STRUCT_END |
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246 | #ifdef PACK_STRUCT_USE_INCLUDES |
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247 | # include "arch/epstruct.h" |
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248 | #endif |
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249 | |||
250 | /** Recursive DNS Server Option. */ |
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251 | #define ND6_OPTION_TYPE_RDNSS (25) |
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252 | #ifdef PACK_STRUCT_USE_INCLUDES |
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253 | # include "arch/bpstruct.h" |
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254 | #endif |
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255 | PACK_STRUCT_BEGIN |
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256 | struct rdnss_option { |
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257 | PACK_STRUCT_FLD_8(u8_t type); |
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258 | PACK_STRUCT_FLD_8(u8_t length); |
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259 | PACK_STRUCT_FIELD(u16_t reserved); |
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260 | PACK_STRUCT_FIELD(u32_t lifetime); |
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261 | PACK_STRUCT_FLD_S(ip6_addr_p_t rdnss_address[1]); |
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262 | } PACK_STRUCT_STRUCT; |
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263 | PACK_STRUCT_END |
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264 | #ifdef PACK_STRUCT_USE_INCLUDES |
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265 | # include "arch/epstruct.h" |
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266 | #endif |
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267 | |||
268 | #define SIZEOF_RDNSS_OPTION_BASE 8 /* size without addresses */ |
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269 | |||
270 | #ifdef __cplusplus |
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271 | } |
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272 | #endif |
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273 | |||
274 | #endif /* LWIP_HDR_PROT_ND6_H */ |