1 in6_var.h |
1 /* $FreeBSD: src/sys/netinet6/in6_var.h,v 1.21.2.1 2005/08/24 15:18:38 rwatson Exp $ */ |
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2 /* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 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 * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved. |
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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) 1985, 1986, 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 * 4. Neither the name of the University nor the names of its contributors |
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46 * may be used to endorse or promote products derived from this software |
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47 * without specific prior written permission. |
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48 * |
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49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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59 * SUCH DAMAGE. |
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60 * |
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61 * @(#)in_var.h 8.1 (Berkeley) 6/10/93 |
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62 */ |
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63 |
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64 #ifndef _NETINET6_IN6_VAR_H_ |
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65 #define _NETINET6_IN6_VAR_H_ |
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66 |
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67 /* |
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68 * Interface address, Internet version. One of these structures |
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69 * is allocated for each interface with an Internet address. |
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70 * The ifaddr structure contains the protocol-independent part |
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71 * of the structure and is assumed to be first. |
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72 */ |
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73 |
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74 /* |
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75 * pltime/vltime are just for future reference (required to implements 2 |
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76 * hour rule for hosts). they should never be modified by nd6_timeout or |
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77 * anywhere else. |
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78 * userland -> kernel: accept pltime/vltime |
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79 * kernel -> userland: throw up everything |
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80 * in kernel: modify preferred/expire only |
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81 */ |
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82 struct in6_addrlifetime { |
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83 time_t ia6t_expire; /* valid lifetime expiration time */ |
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84 time_t ia6t_preferred; /* preferred lifetime expiration time */ |
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85 u_int32_t ia6t_vltime; /* valid lifetime */ |
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86 u_int32_t ia6t_pltime; /* prefix lifetime */ |
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87 }; |
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88 |
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89 struct nd_ifinfo; |
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90 struct scope6_id; |
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91 struct in6_ifextra { |
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92 struct in6_ifstat *in6_ifstat; |
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93 struct icmp6_ifstat *icmp6_ifstat; |
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94 struct nd_ifinfo *nd_ifinfo; |
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95 struct scope6_id *scope6_id; |
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96 }; |
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97 |
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98 #ifndef __SYMBIAN32__ |
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99 /* |
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100 * XXX: removing dependency on ifaddr for getaddrinfo() |
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101 */ |
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102 struct in6_ifaddr { |
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103 struct ifaddr ia_ifa; /* protocol-independent info */ |
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104 #define ia_ifp ia_ifa.ifa_ifp |
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105 #define ia_flags ia_ifa.ifa_flags |
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106 struct sockaddr_in6 ia_addr; /* interface address */ |
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107 struct sockaddr_in6 ia_net; /* network number of interface */ |
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108 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ |
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109 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ |
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110 u_int32_t ia_plen; /* prefix length */ |
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111 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ |
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112 int ia6_flags; |
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113 |
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114 struct in6_addrlifetime ia6_lifetime; |
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115 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ |
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116 |
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117 /* back pointer to the ND prefix (for autoconfigured addresses only) */ |
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118 struct nd_prefix *ia6_ndpr; |
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119 }; |
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120 #endif //__SYMBIAN32__ |
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121 /* control structure to manage address selection policy */ |
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122 struct in6_addrpolicy { |
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123 struct sockaddr_in6 addr; /* prefix address */ |
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124 struct sockaddr_in6 addrmask; /* prefix mask */ |
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125 int preced; /* precedence */ |
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126 int label; /* matching label */ |
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127 u_quad_t use; /* statistics */ |
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128 }; |
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129 |
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130 /* |
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131 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). |
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132 */ |
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133 struct in6_ifstat { |
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134 u_quad_t ifs6_in_receive; /* # of total input datagram */ |
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135 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ |
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136 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ |
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137 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ |
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138 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ |
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139 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ |
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140 /* NOTE: increment on final dst if */ |
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141 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ |
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142 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ |
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143 /* NOTE: fragment timeout is not here */ |
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144 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ |
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145 /* NOTE: increment on final dst if */ |
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146 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ |
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147 /* NOTE: increment on outgoing if */ |
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148 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ |
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149 /* NOTE: does not include forwrads */ |
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150 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ |
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151 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ |
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152 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ |
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153 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ |
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154 /* NOTE: this is # after fragment */ |
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155 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ |
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156 /* NOTE: increment on final dst if */ |
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157 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ |
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158 /* NOTE: this is # after reass */ |
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159 /* NOTE: increment on final dst if */ |
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160 u_quad_t ifs6_reass_fail; /* # of reass failures */ |
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161 /* NOTE: may not be packet count */ |
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162 /* NOTE: increment on final dst if */ |
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163 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ |
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164 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ |
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165 }; |
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166 |
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167 /* |
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168 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. |
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169 * XXX: I'm not sure if this file is the right place for this structure... |
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170 */ |
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171 struct icmp6_ifstat { |
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172 /* |
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173 * Input statistics |
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174 */ |
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175 /* ipv6IfIcmpInMsgs, total # of input messages */ |
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176 u_quad_t ifs6_in_msg; |
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177 /* ipv6IfIcmpInErrors, # of input error messages */ |
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178 u_quad_t ifs6_in_error; |
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179 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ |
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180 u_quad_t ifs6_in_dstunreach; |
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181 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ |
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182 u_quad_t ifs6_in_adminprohib; |
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183 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ |
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184 u_quad_t ifs6_in_timeexceed; |
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185 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ |
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186 u_quad_t ifs6_in_paramprob; |
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187 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ |
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188 u_quad_t ifs6_in_pkttoobig; |
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189 /* ipv6IfIcmpInEchos, # of input echo requests */ |
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190 u_quad_t ifs6_in_echo; |
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191 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ |
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192 u_quad_t ifs6_in_echoreply; |
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193 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ |
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194 u_quad_t ifs6_in_routersolicit; |
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195 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ |
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196 u_quad_t ifs6_in_routeradvert; |
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197 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ |
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198 u_quad_t ifs6_in_neighborsolicit; |
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199 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ |
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200 u_quad_t ifs6_in_neighboradvert; |
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201 /* ipv6IfIcmpInRedirects, # of input redirects */ |
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202 u_quad_t ifs6_in_redirect; |
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203 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ |
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204 u_quad_t ifs6_in_mldquery; |
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205 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ |
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206 u_quad_t ifs6_in_mldreport; |
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207 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ |
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208 u_quad_t ifs6_in_mlddone; |
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209 |
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210 /* |
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211 * Output statistics. We should solve unresolved routing problem... |
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212 */ |
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213 /* ipv6IfIcmpOutMsgs, total # of output messages */ |
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214 u_quad_t ifs6_out_msg; |
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215 /* ipv6IfIcmpOutErrors, # of output error messages */ |
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216 u_quad_t ifs6_out_error; |
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217 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ |
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218 u_quad_t ifs6_out_dstunreach; |
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219 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ |
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220 u_quad_t ifs6_out_adminprohib; |
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221 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ |
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222 u_quad_t ifs6_out_timeexceed; |
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223 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ |
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224 u_quad_t ifs6_out_paramprob; |
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225 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ |
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226 u_quad_t ifs6_out_pkttoobig; |
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227 /* ipv6IfIcmpOutEchos, # of output echo requests */ |
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228 u_quad_t ifs6_out_echo; |
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229 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ |
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230 u_quad_t ifs6_out_echoreply; |
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231 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ |
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232 u_quad_t ifs6_out_routersolicit; |
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233 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ |
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234 u_quad_t ifs6_out_routeradvert; |
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235 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ |
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236 u_quad_t ifs6_out_neighborsolicit; |
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237 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ |
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238 u_quad_t ifs6_out_neighboradvert; |
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239 /* ipv6IfIcmpOutRedirects, # of output redirects */ |
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240 u_quad_t ifs6_out_redirect; |
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241 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ |
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242 u_quad_t ifs6_out_mldquery; |
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243 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ |
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244 u_quad_t ifs6_out_mldreport; |
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245 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ |
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246 u_quad_t ifs6_out_mlddone; |
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247 }; |
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248 |
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249 struct in6_ifreq { |
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250 char ifr_name[IFNAMSIZ]; |
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251 union { |
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252 struct sockaddr_in6 ifru_addr; |
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253 struct sockaddr_in6 ifru_dstaddr; |
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254 int ifru_flags; |
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255 int ifru_flags6; |
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256 int ifru_metric; |
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257 caddr_t ifru_data; |
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258 struct in6_addrlifetime ifru_lifetime; |
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259 struct in6_ifstat ifru_stat; |
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260 struct icmp6_ifstat ifru_icmp6stat; |
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261 u_int32_t ifru_scope_id[16]; |
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262 } ifr_ifru; |
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263 }; |
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264 |
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265 struct in6_aliasreq { |
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266 char ifra_name[IFNAMSIZ]; |
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267 struct sockaddr_in6 ifra_addr; |
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268 struct sockaddr_in6 ifra_dstaddr; |
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269 struct sockaddr_in6 ifra_prefixmask; |
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270 int ifra_flags; |
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271 struct in6_addrlifetime ifra_lifetime; |
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272 }; |
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273 |
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274 /* prefix type macro */ |
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275 #define IN6_PREFIX_ND 1 |
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276 #define IN6_PREFIX_RR 2 |
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277 |
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278 /* |
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279 * prefix related flags passed between kernel(NDP related part) and |
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280 * user land command(ifconfig) and daemon(rtadvd). |
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281 */ |
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282 struct in6_prflags { |
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283 struct prf_ra { |
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284 u_char onlink : 1; |
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285 u_char autonomous : 1; |
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286 u_char reserved : 6; |
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287 } prf_ra; |
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288 u_char prf_reserved1; |
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289 u_short prf_reserved2; |
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290 /* want to put this on 4byte offset */ |
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291 struct prf_rr { |
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292 u_char decrvalid : 1; |
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293 u_char decrprefd : 1; |
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294 u_char reserved : 6; |
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295 } prf_rr; |
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296 u_char prf_reserved3; |
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297 u_short prf_reserved4; |
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298 }; |
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299 |
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300 struct in6_prefixreq { |
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301 char ipr_name[IFNAMSIZ]; |
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302 u_char ipr_origin; |
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303 u_char ipr_plen; |
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304 u_int32_t ipr_vltime; |
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305 u_int32_t ipr_pltime; |
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306 struct in6_prflags ipr_flags; |
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307 struct sockaddr_in6 ipr_prefix; |
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308 }; |
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309 |
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310 #define PR_ORIG_RA 0 |
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311 #define PR_ORIG_RR 1 |
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312 #define PR_ORIG_STATIC 2 |
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313 #define PR_ORIG_KERNEL 3 |
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314 |
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315 #define ipr_raf_onlink ipr_flags.prf_ra.onlink |
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316 #define ipr_raf_auto ipr_flags.prf_ra.autonomous |
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317 |
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318 #define ipr_statef_onlink ipr_flags.prf_state.onlink |
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319 |
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320 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid |
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321 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd |
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322 |
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323 struct in6_rrenumreq { |
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324 char irr_name[IFNAMSIZ]; |
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325 u_char irr_origin; |
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326 u_char irr_m_len; /* match len for matchprefix */ |
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327 u_char irr_m_minlen; /* minlen for matching prefix */ |
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328 u_char irr_m_maxlen; /* maxlen for matching prefix */ |
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329 u_char irr_u_uselen; /* uselen for adding prefix */ |
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330 u_char irr_u_keeplen; /* keeplen from matching prefix */ |
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331 struct irr_raflagmask { |
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332 u_char onlink : 1; |
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333 u_char autonomous : 1; |
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334 u_char reserved : 6; |
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335 } irr_raflagmask; |
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336 u_int32_t irr_vltime; |
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337 u_int32_t irr_pltime; |
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338 struct in6_prflags irr_flags; |
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339 struct sockaddr_in6 irr_matchprefix; |
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340 struct sockaddr_in6 irr_useprefix; |
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341 }; |
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342 |
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343 #define irr_raf_mask_onlink irr_raflagmask.onlink |
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344 #define irr_raf_mask_auto irr_raflagmask.autonomous |
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345 #define irr_raf_mask_reserved irr_raflagmask.reserved |
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346 |
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347 #define irr_raf_onlink irr_flags.prf_ra.onlink |
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348 #define irr_raf_auto irr_flags.prf_ra.autonomous |
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349 |
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350 #define irr_statef_onlink irr_flags.prf_state.onlink |
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351 |
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352 #define irr_rrf irr_flags.prf_rr |
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353 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid |
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354 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd |
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355 |
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356 /* |
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357 * Given a pointer to an in6_ifaddr (ifaddr), |
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358 * return a pointer to the addr as a sockaddr_in6 |
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359 */ |
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360 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) |
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361 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) |
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362 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) |
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363 #define IA6_SIN6(ia) (&((ia)->ia_addr)) |
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364 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) |
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365 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) |
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366 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) |
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367 |
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368 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) |
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369 |
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370 #ifdef _KERNEL |
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371 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ |
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372 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ |
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373 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ |
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374 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ |
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375 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) |
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376 #endif |
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377 |
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378 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) |
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379 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) |
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380 |
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381 #ifdef _KERNEL |
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382 /* |
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383 * SIOCSxxx ioctls should be unused (see comments in in6.c), but |
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384 * we do not shift numbers for binary compatibility. |
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385 */ |
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386 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) |
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387 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) |
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388 #endif |
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389 |
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390 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) |
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391 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) |
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392 |
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393 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) |
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394 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) |
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395 |
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396 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) |
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397 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) |
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398 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) |
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399 |
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400 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) |
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401 |
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402 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) |
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403 #ifdef _KERNEL |
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404 /* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */ |
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405 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) |
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406 #endif |
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407 #ifdef _KERNEL |
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408 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) |
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409 #endif |
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410 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) |
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411 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) |
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412 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) |
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413 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) |
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414 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) |
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415 |
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416 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) |
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417 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) |
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418 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) |
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419 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) |
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420 |
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421 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) |
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422 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) |
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423 |
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424 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ |
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425 |
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426 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) |
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427 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) |
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428 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) |
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429 |
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430 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ |
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431 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ |
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432 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ |
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433 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ |
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434 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ |
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435 struct in6_rrenumreq) /* change */ |
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436 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ |
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437 struct in6_rrenumreq) /* set global */ |
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438 |
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439 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ |
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440 struct sioc_sg_req6) /* get s,g pkt cnt */ |
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441 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ |
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442 struct sioc_mif_req6) /* get pkt cnt per if */ |
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443 |
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444 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) |
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445 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) |
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446 |
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447 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ |
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448 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ |
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449 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ |
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450 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ |
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451 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ |
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452 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address |
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453 * (used only at first SIOC* call) |
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454 */ |
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455 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ |
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456 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ |
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457 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. |
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458 * XXX: this should be temporary. |
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459 */ |
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460 |
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461 /* do not input/output */ |
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462 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) |
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463 |
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464 #ifdef _KERNEL |
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465 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) |
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466 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) |
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467 #endif |
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468 |
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469 #ifdef _KERNEL |
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470 extern struct in6_ifaddr *in6_ifaddr; |
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471 |
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472 extern struct icmp6stat icmp6stat; |
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473 #define in6_ifstat_inc(ifp, tag) \ |
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474 do { \ |
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475 if (ifp) \ |
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476 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ |
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477 } while (/*CONSTCOND*/ 0) |
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478 |
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479 extern struct in6_addr zeroin6_addr; |
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480 extern u_char inet6ctlerrmap[]; |
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481 extern unsigned long in6_maxmtu; |
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482 #ifdef MALLOC_DECLARE |
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483 MALLOC_DECLARE(M_IPMADDR); |
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484 #endif /* MALLOC_DECLARE */ |
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485 |
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486 /* |
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487 * Macro for finding the internet address structure (in6_ifaddr) corresponding |
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488 * to a given interface (ifnet structure). |
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489 */ |
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490 |
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491 #define IFP_TO_IA6(ifp, ia) \ |
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492 /* struct ifnet *ifp; */ \ |
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493 /* struct in6_ifaddr *ia; */ \ |
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494 do { \ |
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495 struct ifaddr *ifa; \ |
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496 for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \ |
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497 if (!ifa->ifa_addr) \ |
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498 continue; \ |
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499 if (ifa->ifa_addr->sa_family == AF_INET6) \ |
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500 break; \ |
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501 } \ |
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502 (ia) = (struct in6_ifaddr *)ifa; \ |
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503 } while (/*CONSTCOND*/ 0) |
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504 |
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505 #endif /* _KERNEL */ |
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506 |
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507 /* |
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508 * Multi-cast membership entry. One for each group/ifp that a PCB |
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509 * belongs to. |
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510 */ |
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511 struct in6_multi_mship { |
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512 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ |
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513 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ |
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514 }; |
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515 |
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516 struct in6_multi { |
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517 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ |
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518 struct in6_addr in6m_addr; /* IP6 multicast address */ |
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519 struct ifnet *in6m_ifp; /* back pointer to ifnet */ |
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520 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ |
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521 u_int in6m_refcount; /* # membership claims by sockets */ |
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522 u_int in6m_state; /* state of the membership */ |
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523 u_int in6m_timer; /* MLD6 listener report timer */ |
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524 }; |
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525 |
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526 #ifdef _KERNEL |
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527 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; |
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528 |
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529 /* |
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530 * Structure used by macros below to remember position when stepping through |
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531 * all of the in6_multi records. |
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532 */ |
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533 struct in6_multistep { |
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534 struct in6_ifaddr *i_ia; |
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535 struct in6_multi *i_in6m; |
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536 }; |
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537 |
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538 /* |
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539 * Macros for looking up the in6_multi record for a given IP6 multicast |
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540 * address on a given interface. If no matching record is found, "in6m" |
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541 * returns NLL. |
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542 */ |
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543 |
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544 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ |
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545 /* struct in6_addr addr; */ \ |
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546 /* struct ifnet *ifp; */ \ |
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547 /* struct in6_multi *in6m; */ \ |
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548 do { \ |
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549 struct ifmultiaddr *ifma; \ |
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550 IF_ADDR_LOCK(ifp); \ |
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551 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \ |
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552 if (ifma->ifma_addr->sa_family == AF_INET6 \ |
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553 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ |
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554 &(addr))) \ |
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555 break; \ |
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556 } \ |
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557 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ |
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558 IF_ADDR_UNLOCK(ifp); \ |
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559 } while(0) |
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560 |
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561 /* |
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562 * Macro to step through all of the in6_multi records, one at a time. |
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563 * The current position is remembered in "step", which the caller must |
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564 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" |
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565 * and get the first record. Both macros return a NULL "in6m" when there |
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566 * are no remaining records. |
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567 */ |
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568 #define IN6_NEXT_MULTI(step, in6m) \ |
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569 /* struct in6_multistep step; */ \ |
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570 /* struct in6_multi *in6m; */ \ |
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571 do { \ |
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572 if (((in6m) = (step).i_in6m) != NULL) \ |
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573 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ |
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574 } while(0) |
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575 |
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576 #define IN6_FIRST_MULTI(step, in6m) \ |
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577 /* struct in6_multistep step; */ \ |
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578 /* struct in6_multi *in6m */ \ |
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579 do { \ |
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580 (step).i_in6m = in6_multihead.lh_first; \ |
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581 IN6_NEXT_MULTI((step), (in6m)); \ |
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582 } while(0) |
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583 |
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584 struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *, |
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585 int *)); |
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586 void in6_delmulti __P((struct in6_multi *)); |
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587 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *); |
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588 int in6_leavegroup(struct in6_multi_mship *); |
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589 int in6_mask2len __P((struct in6_addr *, u_char *)); |
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590 int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *, |
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591 struct thread *)); |
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592 int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *, |
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593 struct in6_ifaddr *)); |
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594 void in6_purgeaddr __P((struct ifaddr *)); |
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595 int in6if_do_dad __P((struct ifnet *)); |
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596 void in6_purgeif __P((struct ifnet *)); |
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597 void in6_savemkludge __P((struct in6_ifaddr *)); |
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598 void *in6_domifattach __P((struct ifnet *)); |
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599 void in6_domifdetach __P((struct ifnet *, void *)); |
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600 void in6_setmaxmtu __P((void)); |
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601 void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *)); |
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602 void in6_purgemkludge __P((struct ifnet *)); |
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603 struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); |
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604 struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *)); |
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605 char *ip6_sprintf __P((const struct in6_addr *)); |
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606 int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *)); |
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607 int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); |
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608 int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int)); |
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609 void in6_prefixlen2mask __P((struct in6_addr *, int)); |
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610 int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t, |
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611 struct ifnet *)); |
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612 int in6_prefix_add_ifid __P((int, struct in6_ifaddr *)); |
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613 void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *)); |
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614 void in6_purgeprefix __P((struct ifnet *)); |
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615 void in6_ifremloop(struct ifaddr *); |
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616 void in6_ifaddloop(struct ifaddr *); |
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617 |
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618 int in6_is_addr_deprecated __P((struct sockaddr_in6 *)); |
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619 struct inpcb; |
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620 int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *, |
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621 struct inpcb *, struct ifnet **)); |
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622 int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *, |
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623 struct ifnet *)); |
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624 void in6_clearscope __P((struct in6_addr *)); |
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625 int in6_src_ioctl __P((u_long, caddr_t)); |
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626 #endif /* _KERNEL */ |
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627 |
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628 #endif /* _NETINET6_IN6_VAR_H_ */ |