1 | /* $FreeBSD: src/sys/netinet6/in6.h,v 1.19 2002/04/19 04:46:22 suz Exp $ */ |
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2 | /* $KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $ */ |
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3 | |
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4 | /* |
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5 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
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6 | * All rights reserved. |
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7 | * |
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8 | * Redistribution and use in source and binary forms, with or without |
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9 | * modification, are permitted provided that the following conditions |
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10 | * are met: |
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11 | * 1. Redistributions of source code must retain the above copyright |
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12 | * notice, this list of conditions and the following disclaimer. |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * 3. Neither the name of the project nor the names of its contributors |
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17 | * may be used to endorse or promote products derived from this software |
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18 | * without specific prior written permission. |
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19 | * |
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20 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
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21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
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24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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30 | * SUCH DAMAGE. |
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31 | */ |
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32 | |
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33 | /* |
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34 | * Copyright (c) 1982, 1986, 1990, 1993 |
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35 | * The Regents of the University of California. All rights reserved. |
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36 | * |
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37 | * Redistribution and use in source and binary forms, with or without |
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38 | * modification, are permitted provided that the following conditions |
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39 | * are met: |
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40 | * 1. Redistributions of source code must retain the above copyright |
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41 | * notice, this list of conditions and the following disclaimer. |
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42 | * 2. Redistributions in binary form must reproduce the above copyright |
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43 | * notice, this list of conditions and the following disclaimer in the |
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44 | * documentation and/or other materials provided with the distribution. |
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45 | * 3. All advertising materials mentioning features or use of this software |
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46 | * must display the following acknowledgement: |
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47 | * This product includes software developed by the University of |
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48 | * California, Berkeley and its contributors. |
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49 | * 4. Neither the name of the University nor the names of its contributors |
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50 | * may be used to endorse or promote products derived from this software |
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51 | * without specific prior written permission. |
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52 | * |
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53 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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54 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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55 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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56 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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57 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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58 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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59 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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60 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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61 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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62 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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63 | * SUCH DAMAGE. |
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64 | * |
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65 | * @(#)in.h 8.3 (Berkeley) 1/3/94 |
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66 | */ |
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67 | |
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68 | #ifndef __KAME_NETINET_IN_H_INCLUDED_ |
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69 | #error "do not include netinet6/in6.h directly, include netinet/in.h. see RFC2553" |
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70 | #endif |
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71 | |
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72 | #ifndef _NETINET6_IN6_H_ |
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73 | #define _NETINET6_IN6_H_ |
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74 | |
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75 | #include <sys/types.h> |
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76 | |
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77 | /* |
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78 | * Identification of the network protocol stack |
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79 | * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE |
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80 | * has the table of implementation/integration differences. |
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81 | */ |
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82 | #define __KAME__ |
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83 | #define __KAME_VERSION "20010528/FreeBSD" |
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84 | |
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85 | /* |
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86 | * Local port number conventions: |
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87 | * |
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88 | * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), |
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89 | * unless a kernel is compiled with IPNOPRIVPORTS defined. |
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90 | * |
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91 | * When a user does a bind(2) or connect(2) with a port number of zero, |
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92 | * a non-conflicting local port address is chosen. |
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93 | * |
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94 | * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although |
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95 | * that is settable by sysctl(3); net.inet.ip.anonportmin and |
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96 | * net.inet.ip.anonportmax respectively. |
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97 | * |
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98 | * A user may set the IPPROTO_IP option IP_PORTRANGE to change this |
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99 | * default assignment range. |
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100 | * |
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101 | * The value IP_PORTRANGE_DEFAULT causes the default behavior. |
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102 | * |
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103 | * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, |
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104 | * and exists only for FreeBSD compatibility purposes. |
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105 | * |
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106 | * The value IP_PORTRANGE_LOW changes the range to the "low" are |
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107 | * that is (by convention) restricted to privileged processes. |
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108 | * This convention is based on "vouchsafe" principles only. |
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109 | * It is only secure if you trust the remote host to restrict these ports. |
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110 | * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. |
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111 | */ |
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112 | |
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113 | #define IPV6PORT_RESERVED 1024 |
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114 | #define IPV6PORT_ANONMIN 49152 |
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115 | #define IPV6PORT_ANONMAX 65535 |
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116 | #define IPV6PORT_RESERVEDMIN 600 |
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117 | #define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1) |
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118 | |
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119 | /* |
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120 | * IPv6 address |
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121 | */ |
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122 | struct in6_addr { |
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123 | union { |
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124 | uint8_t __u6_addr8[16]; |
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125 | uint16_t __u6_addr16[8]; |
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126 | uint32_t __u6_addr32[4]; |
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127 | } __u6_addr; /* 128-bit IP6 address */ |
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128 | }; |
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129 | |
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130 | #define s6_addr __u6_addr.__u6_addr8 |
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131 | #ifdef _KERNEL /* XXX nonstandard */ |
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132 | #define s6_addr8 __u6_addr.__u6_addr8 |
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133 | #define s6_addr16 __u6_addr.__u6_addr16 |
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134 | #define s6_addr32 __u6_addr.__u6_addr32 |
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135 | #endif |
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136 | |
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137 | #define INET6_ADDRSTRLEN 46 |
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138 | |
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139 | /* |
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140 | * Socket address for IPv6 |
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141 | */ |
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142 | #ifndef _XOPEN_SOURCE |
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143 | #define SIN6_LEN |
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144 | #endif |
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145 | struct sockaddr_in6 { |
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146 | uint8_t sin6_family; /* AF_INET6 (sa_family_t) */ |
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147 | uint16_t sin6_port; /* Transport layer port # (in_port_t)*/ |
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148 | uint32_t sin6_flowinfo; /* IP6 flow information */ |
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149 | struct in6_addr sin6_addr; /* IP6 address */ |
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150 | uint32_t sin6_scope_id; /* scope zone index */ |
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151 | }; |
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152 | |
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153 | /* |
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154 | * Local definition for masks |
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155 | */ |
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156 | #ifdef _KERNEL /* XXX nonstandard */ |
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157 | #define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} |
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158 | #define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \ |
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159 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
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160 | #define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
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161 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
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162 | #define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
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163 | 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} |
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164 | #define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
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165 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} |
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166 | #endif |
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167 | |
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168 | #ifdef _KERNEL |
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169 | extern const struct sockaddr_in6 sa6_any; |
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170 | |
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171 | extern const struct in6_addr in6mask0; |
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172 | extern const struct in6_addr in6mask32; |
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173 | extern const struct in6_addr in6mask64; |
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174 | extern const struct in6_addr in6mask96; |
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175 | extern const struct in6_addr in6mask128; |
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176 | #endif /* _KERNEL */ |
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177 | |
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178 | /* |
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179 | * Macros started with IPV6_ADDR is KAME local |
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180 | */ |
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181 | #ifdef _KERNEL /* XXX nonstandard */ |
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182 | #if BYTE_ORDER == BIG_ENDIAN |
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183 | #define IPV6_ADDR_INT32_ONE 1 |
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184 | #define IPV6_ADDR_INT32_TWO 2 |
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185 | #define IPV6_ADDR_INT32_MNL 0xff010000 |
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186 | #define IPV6_ADDR_INT32_MLL 0xff020000 |
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187 | #define IPV6_ADDR_INT32_SMP 0x0000ffff |
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188 | #define IPV6_ADDR_INT16_ULL 0xfe80 |
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189 | #define IPV6_ADDR_INT16_USL 0xfec0 |
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190 | #define IPV6_ADDR_INT16_MLL 0xff02 |
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191 | #elif BYTE_ORDER == LITTLE_ENDIAN |
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192 | #define IPV6_ADDR_INT32_ONE 0x01000000 |
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193 | #define IPV6_ADDR_INT32_TWO 0x02000000 |
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194 | #define IPV6_ADDR_INT32_MNL 0x000001ff |
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195 | #define IPV6_ADDR_INT32_MLL 0x000002ff |
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196 | #define IPV6_ADDR_INT32_SMP 0xffff0000 |
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197 | #define IPV6_ADDR_INT16_ULL 0x80fe |
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198 | #define IPV6_ADDR_INT16_USL 0xc0fe |
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199 | #define IPV6_ADDR_INT16_MLL 0x02ff |
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200 | #endif |
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201 | #endif |
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202 | |
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203 | /* |
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204 | * Definition of some useful macros to handle IP6 addresses |
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205 | */ |
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206 | #define IN6ADDR_ANY_INIT \ |
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207 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
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208 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
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209 | #define IN6ADDR_LOOPBACK_INIT \ |
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210 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
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211 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
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212 | #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ |
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213 | {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
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214 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
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215 | #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ |
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216 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
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217 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
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218 | #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ |
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219 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
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220 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} |
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221 | |
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222 | extern const struct in6_addr in6addr_any; |
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223 | extern const struct in6_addr in6addr_loopback; |
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224 | extern const struct in6_addr in6addr_nodelocal_allnodes; |
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225 | extern const struct in6_addr in6addr_linklocal_allnodes; |
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226 | extern const struct in6_addr in6addr_linklocal_allrouters; |
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227 | |
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228 | /* |
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229 | * Equality |
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230 | * NOTE: Some of kernel programming environment (for example, openbsd/sparc) |
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231 | * does not supply memcmp(). For userland memcmp() is preferred as it is |
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232 | * in ANSI standard. |
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233 | */ |
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234 | #ifdef _KERNEL |
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235 | #define IN6_ARE_ADDR_EQUAL(a, b) \ |
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236 | (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) |
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237 | #else |
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238 | #define IN6_ARE_ADDR_EQUAL(a, b) \ |
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239 | (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) |
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240 | #endif |
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241 | |
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242 | #ifdef _KERNEL /* non standard */ |
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243 | /* see if two addresses are equal in a scope-conscious manner. */ |
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244 | #define SA6_ARE_ADDR_EQUAL(a, b) \ |
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245 | (((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \ |
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246 | ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \ |
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247 | (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof(struct in6_addr)) == 0)) |
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248 | #endif |
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249 | |
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250 | /* |
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251 | * Unspecified |
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252 | */ |
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253 | #define IN6_IS_ADDR_UNSPECIFIED(a) \ |
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254 | ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
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255 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
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256 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ |
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257 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == 0)) |
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258 | |
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259 | /* |
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260 | * Loopback |
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261 | */ |
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262 | #define IN6_IS_ADDR_LOOPBACK(a) \ |
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263 | ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
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264 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
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265 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ |
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266 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1))) |
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267 | |
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268 | /* |
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269 | * IPv4 compatible |
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270 | */ |
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271 | #define IN6_IS_ADDR_V4COMPAT(a) \ |
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272 | ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
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273 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
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274 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ |
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275 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \ |
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276 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1))) |
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277 | |
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278 | /* |
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279 | * Mapped |
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280 | */ |
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281 | #define IN6_IS_ADDR_V4MAPPED(a) \ |
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282 | ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
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283 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
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284 | (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) |
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285 | |
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286 | /* |
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287 | * KAME Scope Values |
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288 | */ |
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289 | |
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290 | #ifdef _KERNEL /* XXX nonstandard */ |
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291 | #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 |
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292 | #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 |
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293 | #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 |
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294 | #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ |
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295 | #define IPV6_ADDR_SCOPE_GLOBAL 0x0e |
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296 | #else |
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297 | #define __IPV6_ADDR_SCOPE_NODELOCAL 0x01 |
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298 | #define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02 |
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299 | #define __IPV6_ADDR_SCOPE_SITELOCAL 0x05 |
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300 | #define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ |
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301 | #define __IPV6_ADDR_SCOPE_GLOBAL 0x0e |
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302 | #endif |
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303 | |
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304 | /* |
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305 | * Unicast Scope |
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306 | * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373). |
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307 | */ |
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308 | #define IN6_IS_ADDR_LINKLOCAL(a) \ |
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309 | (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80)) |
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310 | #define IN6_IS_ADDR_SITELOCAL(a) \ |
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311 | (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) |
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312 | |
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313 | /* |
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314 | * Multicast |
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315 | */ |
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316 | #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) |
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317 | |
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318 | #ifdef _KERNEL /* XXX nonstandard */ |
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319 | #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) |
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320 | #else |
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321 | #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) |
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322 | #endif |
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323 | |
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324 | /* |
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325 | * Multicast Scope |
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326 | */ |
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327 | #ifdef _KERNEL /* refers nonstandard items */ |
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328 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
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329 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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330 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) |
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331 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
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332 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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333 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) |
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334 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
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335 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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336 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) |
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337 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
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338 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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339 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) |
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340 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
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341 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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342 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) |
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343 | #else |
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344 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
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345 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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346 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL)) |
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347 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
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348 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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349 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL)) |
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350 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
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351 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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352 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL)) |
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353 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
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354 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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355 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL)) |
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356 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
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357 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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358 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL)) |
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359 | #endif |
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360 | |
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361 | #ifdef _KERNEL /* nonstandard */ |
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362 | /* |
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363 | * KAME Scope |
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364 | */ |
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365 | #define IN6_IS_SCOPE_LINKLOCAL(a) \ |
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366 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ |
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367 | (IN6_IS_ADDR_MC_LINKLOCAL(a))) |
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368 | |
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369 | #define IFA6_IS_DEPRECATED(a) \ |
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370 | ((a)->ia6_lifetime.ia6t_preferred != 0 && \ |
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371 | (a)->ia6_lifetime.ia6t_preferred < time_second) |
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372 | #define IFA6_IS_INVALID(a) \ |
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373 | ((a)->ia6_lifetime.ia6t_expire != 0 && \ |
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374 | (a)->ia6_lifetime.ia6t_expire < time_second) |
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375 | #endif /* _KERNEL */ |
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376 | |
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377 | /* |
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378 | * IP6 route structure |
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379 | */ |
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380 | #ifndef _XOPEN_SOURCE |
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381 | struct route_in6 { |
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382 | struct rtentry *ro_rt; |
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383 | struct sockaddr_in6 ro_dst; |
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384 | }; |
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385 | #endif |
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386 | |
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387 | /* |
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388 | * Options for use with [gs]etsockopt at the IPV6 level. |
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389 | * First word of comment is data type; bool is stored in int. |
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390 | */ |
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391 | /* no hdrincl */ |
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392 | #if 0 /* the followings are relic in IPv4 and hence are disabled */ |
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393 | #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ |
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394 | #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ |
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395 | #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ |
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396 | #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ |
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397 | #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ |
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398 | #endif |
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399 | #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ |
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400 | #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ |
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401 | #define IPV6_MULTICAST_IF 9 /* u_char; set/get IP6 multicast i/f */ |
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402 | #define IPV6_MULTICAST_HOPS 10 /* u_char; set/get IP6 multicast hops */ |
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403 | #define IPV6_MULTICAST_LOOP 11 /* u_char; set/get IP6 multicast loopback */ |
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404 | #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ |
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405 | #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ |
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406 | #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ |
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407 | #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ |
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408 | /* RFC2292 options */ |
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409 | #define IPV6_PKTINFO 19 /* bool; send/recv if, src/dst addr */ |
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410 | #define IPV6_HOPLIMIT 20 /* bool; hop limit */ |
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411 | #define IPV6_NEXTHOP 21 /* bool; next hop addr */ |
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412 | #define IPV6_HOPOPTS 22 /* bool; hop-by-hop option */ |
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413 | #define IPV6_DSTOPTS 23 /* bool; destination option */ |
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414 | #define IPV6_RTHDR 24 /* bool; routing header */ |
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415 | #define IPV6_PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */ |
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416 | |
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417 | #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ |
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418 | #define IPV6_V6ONLY 27 /* bool; only bind INET6 at wildcard bind */ |
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419 | #ifndef _KERNEL |
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420 | #define IPV6_BINDV6ONLY IPV6_V6ONLY |
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421 | #endif |
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422 | |
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423 | #if 1 /* IPSEC */ |
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424 | #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ |
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425 | #endif |
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426 | #define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */ |
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427 | |
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428 | #if 1 /* IPV6FIREWALL */ |
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429 | #define IPV6_FW_ADD 30 /* add a firewall rule to chain */ |
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430 | #define IPV6_FW_DEL 31 /* delete a firewall rule from chain */ |
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431 | #define IPV6_FW_FLUSH 32 /* flush firewall rule chain */ |
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432 | #define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */ |
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433 | #define IPV6_FW_GET 34 /* get entire firewall rule chain */ |
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434 | #endif |
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435 | |
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436 | /* to define items, should talk with KAME guys first, for *BSD compatibility */ |
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437 | |
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438 | #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ |
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439 | #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ |
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440 | #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ |
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441 | |
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442 | /* |
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443 | * Defaults and limits for options |
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444 | */ |
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445 | #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ |
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446 | #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ |
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447 | |
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448 | /* |
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449 | * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. |
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450 | */ |
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451 | struct ipv6_mreq { |
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452 | struct in6_addr ipv6mr_multiaddr; |
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453 | unsigned int ipv6mr_interface; |
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454 | }; |
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455 | |
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456 | /* |
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457 | * IPV6_PKTINFO: Packet information(RFC2292 sec 5) |
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458 | */ |
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459 | struct in6_pktinfo { |
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460 | struct in6_addr ipi6_addr; /* src/dst IPv6 address */ |
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461 | unsigned int ipi6_ifindex; /* send/recv interface index */ |
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462 | }; |
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463 | |
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464 | /* |
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465 | * Argument for IPV6_PORTRANGE: |
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466 | * - which range to search when port is unspecified at bind() or connect() |
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467 | */ |
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468 | #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ |
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469 | #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ |
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470 | #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ |
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471 | |
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472 | #ifndef _XOPEN_SOURCE |
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473 | /* |
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474 | * Definitions for inet6 sysctl operations. |
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475 | * |
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476 | * Third level is protocol number. |
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477 | * Fourth level is desired variable within that protocol. |
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478 | */ |
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479 | #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ |
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480 | |
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481 | #define CTL_IPV6PROTO_NAMES { \ |
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482 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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483 | { 0, 0 }, \ |
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484 | { "tcp6", CTLTYPE_NODE }, \ |
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485 | { 0, 0 }, \ |
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486 | { 0, 0 }, \ |
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487 | { 0, 0 }, \ |
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488 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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489 | { 0, 0 }, \ |
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490 | { 0, 0 }, \ |
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491 | { "udp6", CTLTYPE_NODE }, \ |
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492 | { 0, 0 }, \ |
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493 | { 0, 0 }, \ |
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494 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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495 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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496 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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497 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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498 | { 0, 0 }, \ |
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499 | { "ip6", CTLTYPE_NODE }, \ |
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500 | { 0, 0 }, \ |
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501 | { 0, 0 }, \ |
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502 | { 0, 0 }, \ |
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503 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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504 | { 0, 0 }, \ |
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505 | { "ipsec6", CTLTYPE_NODE }, \ |
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506 | { 0, 0 }, \ |
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507 | { 0, 0 }, \ |
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508 | { 0, 0 }, \ |
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509 | { 0, 0 }, \ |
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510 | { 0, 0 }, \ |
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511 | { 0, 0 }, \ |
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512 | { "icmp6", CTLTYPE_NODE }, \ |
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513 | { 0, 0 }, \ |
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514 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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515 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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516 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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517 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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518 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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519 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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520 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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521 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
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522 | { 0, 0 }, \ |
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523 | { 0, 0 }, \ |
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524 | { 0, 0 }, \ |
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525 | { "pim6", CTLTYPE_NODE }, \ |
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526 | } |
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527 | |
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528 | /* |
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529 | * Names for IP sysctl objects |
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530 | */ |
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531 | #define IPV6CTL_FORWARDING 1 /* act as router */ |
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532 | #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding*/ |
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533 | #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ |
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534 | #ifdef notyet |
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535 | #define IPV6CTL_DEFMTU 4 /* default MTU */ |
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536 | #endif |
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537 | #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ |
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538 | #define IPV6CTL_STATS 6 /* stats */ |
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539 | #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ |
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540 | #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ |
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541 | #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ |
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542 | #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ |
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543 | #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ |
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544 | #define IPV6CTL_ACCEPT_RTADV 12 |
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545 | #define IPV6CTL_KEEPFAITH 13 |
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546 | #define IPV6CTL_LOG_INTERVAL 14 |
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547 | #define IPV6CTL_HDRNESTLIMIT 15 |
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548 | #define IPV6CTL_DAD_COUNT 16 |
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549 | #define IPV6CTL_AUTO_FLOWLABEL 17 |
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550 | #define IPV6CTL_DEFMCASTHLIM 18 |
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551 | #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ |
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552 | #define IPV6CTL_KAME_VERSION 20 |
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553 | #define IPV6CTL_USE_DEPRECATED 21 /* use deprecated addr (RFC2462 5.5.4) */ |
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554 | #define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */ |
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555 | #if 0 /* obsolete */ |
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556 | #define IPV6CTL_MAPPED_ADDR 23 |
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557 | #endif |
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558 | #define IPV6CTL_V6ONLY 24 |
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559 | #define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */ |
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560 | #define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */ |
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561 | #define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */ |
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562 | |
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563 | #define IPV6CTL_USETEMPADDR 32 /* use temporary addresses (RFC3041) */ |
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564 | #define IPV6CTL_TEMPPLTIME 33 /* preferred lifetime for tmpaddrs */ |
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565 | #define IPV6CTL_TEMPVLTIME 34 /* valid lifetime for tmpaddrs */ |
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566 | #define IPV6CTL_AUTO_LINKLOCAL 35 /* automatic link-local addr assign */ |
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567 | #define IPV6CTL_RIP6STATS 36 /* raw_ip6 stats */ |
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568 | |
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569 | /* New entries should be added here from current IPV6CTL_MAXID value. */ |
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570 | /* to define items, should talk with KAME guys first, for *BSD compatibility */ |
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571 | #define IPV6CTL_MAXID 37 |
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572 | |
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573 | #endif /* !_XOPEN_SOURCE */ |
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574 | |
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575 | /* |
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576 | * Redefinition of mbuf flags |
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577 | */ |
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578 | #define M_AUTHIPHDR M_PROTO2 |
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579 | #define M_DECRYPTED M_PROTO3 |
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580 | #define M_LOOP M_PROTO4 |
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581 | #define M_AUTHIPDGM M_PROTO5 |
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582 | |
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583 | #ifdef _KERNEL |
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584 | struct cmsghdr; |
---|
585 | |
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586 | int in6_cksum __P((struct mbuf *, uint8_t, uint32_t, uint32_t)); |
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587 | int in6_localaddr __P((struct in6_addr *)); |
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588 | int in6_addrscope __P((struct in6_addr *)); |
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589 | struct in6_ifaddr *in6_ifawithscope __P((struct ifnet *, struct in6_addr *)); |
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590 | struct in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *)); |
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591 | extern void in6_if_up __P((struct ifnet *)); |
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592 | struct sockaddr; |
---|
593 | extern u_char ip6_protox[]; |
---|
594 | |
---|
595 | void in6_sin6_2_sin __P((struct sockaddr_in *sin, |
---|
596 | struct sockaddr_in6 *sin6)); |
---|
597 | void in6_sin_2_v4mapsin6 __P((struct sockaddr_in *sin, |
---|
598 | struct sockaddr_in6 *sin6)); |
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599 | void in6_sin6_2_sin_in_sock __P((struct sockaddr *nam)); |
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600 | void in6_sin_2_v4mapsin6_in_sock __P((struct sockaddr **nam)); |
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601 | |
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602 | #define satosin6(sa) ((struct sockaddr_in6 *)(sa)) |
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603 | #define sin6tosa(sin6) ((struct sockaddr *)(sin6)) |
---|
604 | #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa)) |
---|
605 | |
---|
606 | extern int (*faithprefix_p)(struct in6_addr *); |
---|
607 | #endif /* _KERNEL */ |
---|
608 | |
---|
609 | __BEGIN_DECLS |
---|
610 | struct cmsghdr; |
---|
611 | |
---|
612 | extern int inet6_option_space __P((int)); |
---|
613 | extern int inet6_option_init __P((void *, struct cmsghdr **, int)); |
---|
614 | extern int inet6_option_append __P((struct cmsghdr *, const uint8_t *, |
---|
615 | int, int)); |
---|
616 | extern uint8_t *inet6_option_alloc __P((struct cmsghdr *, int, int, int)); |
---|
617 | extern int inet6_option_next __P((const struct cmsghdr *, uint8_t **)); |
---|
618 | extern int inet6_option_find __P((const struct cmsghdr *, uint8_t **, int)); |
---|
619 | |
---|
620 | extern size_t inet6_rthdr_space __P((int, int)); |
---|
621 | extern struct cmsghdr *inet6_rthdr_init __P((void *, int)); |
---|
622 | extern int inet6_rthdr_add __P((struct cmsghdr *, const struct in6_addr *, |
---|
623 | unsigned int)); |
---|
624 | extern int inet6_rthdr_lasthop __P((struct cmsghdr *, unsigned int)); |
---|
625 | #if 0 /* not implemented yet */ |
---|
626 | extern int inet6_rthdr_reverse __P((const struct cmsghdr *, struct cmsghdr *)); |
---|
627 | #endif |
---|
628 | extern int inet6_rthdr_segments __P((const struct cmsghdr *)); |
---|
629 | extern struct in6_addr *inet6_rthdr_getaddr __P((struct cmsghdr *, int)); |
---|
630 | extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int)); |
---|
631 | |
---|
632 | extern int inet6_opt_init __P((void *, size_t)); |
---|
633 | extern int inet6_opt_append __P((void *, size_t, int, uint8_t, |
---|
634 | size_t, uint8_t, void **)); |
---|
635 | extern int inet6_opt_finish __P((void *, size_t, int)); |
---|
636 | extern int inet6_opt_set_val __P((void *, size_t, void *, int)); |
---|
637 | |
---|
638 | extern int inet6_opt_next __P((void *, size_t, int, uint8_t *, |
---|
639 | size_t *, void **)); |
---|
640 | extern int inet6_opt_find __P((void *, size_t, int, uint8_t, |
---|
641 | size_t *, void **)); |
---|
642 | extern int inet6_opt_get_val __P((void *, size_t, void *, int)); |
---|
643 | extern size_t inet6_rth_space __P((int, int)); |
---|
644 | extern void *inet6_rth_init __P((void *, int, int, int)); |
---|
645 | extern int inet6_rth_add __P((void *, const struct in6_addr *)); |
---|
646 | extern int inet6_rth_reverse __P((const void *, void *)); |
---|
647 | extern int inet6_rth_segments __P((const void *)); |
---|
648 | extern struct in6_addr *inet6_rth_getaddr __P((const void *, int)); |
---|
649 | __END_DECLS |
---|
650 | |
---|
651 | #endif /* !_NETINET6_IN6_H_ */ |
---|