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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | /* * Types and definitions for AF_INET6 * Linux INET6 implementation * * Authors: * Pedro Roque <roque@di.fc.ul.pt> * * Sources: * IPv6 Program Interfaces for BSD Systems * <draft-ietf-ipngwg-bsd-api-05.txt> * * Advanced Sockets API for IPv6 * <draft-stevens-advanced-api-00.txt> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_IN6_H #define _LINUX_IN6_H #include <linux/types.h> /* * IPv6 address structure */ struct in6_addr { union { __u8 u6_addr8[16]; __u16 u6_addr16[8]; __u32 u6_addr32[4]; #if (~0UL) > 0xffffffff #ifndef __RELAX_IN6_ADDR_ALIGNMENT /* Alas, protocols do not respect 64bit alignmnet. rsvp/pim/... are broken. However, it is good idea to force correct alignment always, when it is possible. */ __u64 u6_addr64[2]; #endif #endif } in6_u; #define s6_addr in6_u.u6_addr8 #define s6_addr16 in6_u.u6_addr16 #define s6_addr32 in6_u.u6_addr32 #define s6_addr64 in6_u.u6_addr64 }; struct sockaddr_in6 { unsigned short int sin6_family; /* AF_INET6 */ __u16 sin6_port; /* Transport layer port # */ __u32 sin6_flowinfo; /* IPv6 flow information */ struct in6_addr sin6_addr; /* IPv6 address */ }; struct ipv6_mreq { /* IPv6 multicast address of group */ struct in6_addr ipv6mr_multiaddr; /* local IPv6 address of interface */ int ipv6mr_ifindex; }; struct in6_flowlabel_req { struct in6_addr flr_dst; __u32 flr_label; __u8 flr_action; __u8 flr_share; __u16 flr_flags; __u16 flr_expires; __u16 flr_linger; __u32 __flr_pad; /* Options in format of IPV6_PKTOPTIONS */ }; #define IPV6_FL_A_GET 0 #define IPV6_FL_A_PUT 1 #define IPV6_FL_A_RENEW 2 #define IPV6_FL_F_CREATE 1 #define IPV6_FL_F_EXCL 2 #define IPV6_FL_S_NONE 0 #define IPV6_FL_S_EXCL 1 #define IPV6_FL_S_PROCESS 2 #define IPV6_FL_S_USER 3 #define IPV6_FL_S_ANY 255 /* * Bitmask constant declarations to help applications select out the * flow label and priority fields. * * Note that this are in host byte order while the flowinfo field of * sockaddr_in6 is in network byte order. */ #define IPV6_FLOWINFO_FLOWLABEL 0x000fffff #define IPV6_FLOWINFO_PRIORITY 0x0ff00000 /* These defintions are obsolete */ #define IPV6_PRIORITY_UNCHARACTERIZED 0x0000 #define IPV6_PRIORITY_FILLER 0x0100 #define IPV6_PRIORITY_UNATTENDED 0x0200 #define IPV6_PRIORITY_RESERVED1 0x0300 #define IPV6_PRIORITY_BULK 0x0400 #define IPV6_PRIORITY_RESERVED2 0x0500 #define IPV6_PRIORITY_INTERACTIVE 0x0600 #define IPV6_PRIORITY_CONTROL 0x0700 #define IPV6_PRIORITY_8 0x0800 #define IPV6_PRIORITY_9 0x0900 #define IPV6_PRIORITY_10 0x0a00 #define IPV6_PRIORITY_11 0x0b00 #define IPV6_PRIORITY_12 0x0c00 #define IPV6_PRIORITY_13 0x0d00 #define IPV6_PRIORITY_14 0x0e00 #define IPV6_PRIORITY_15 0x0f00 /* * IPV6 extension headers */ #define IPPROTO_HOPOPTS 0 /* IPv6 hop-by-hop options */ #define IPPROTO_ROUTING 43 /* IPv6 routing header */ #define IPPROTO_FRAGMENT 44 /* IPv6 fragmentation header */ #define IPPROTO_ICMPV6 58 /* ICMPv6 */ #define IPPROTO_NONE 59 /* IPv6 no next header */ #define IPPROTO_DSTOPTS 60 /* IPv6 destination options */ /* * IPv6 TLV options. */ #define IPV6_TLV_PAD0 0 #define IPV6_TLV_PADN 1 #define IPV6_TLV_ROUTERALERT 20 #define IPV6_TLV_JUMBO 194 /* * IPV6 socket options */ #define IPV6_ADDRFORM 1 #define IPV6_PKTINFO 2 #define IPV6_HOPOPTS 3 #define IPV6_DSTOPTS 4 #define IPV6_RTHDR 5 #define IPV6_PKTOPTIONS 6 #define IPV6_CHECKSUM 7 #define IPV6_HOPLIMIT 8 #define IPV6_NEXTHOP 9 #define IPV6_AUTHHDR 10 #define IPV6_FLOWINFO 11 #if 0 /* Aliases for obsolete names */ #define IPV6_RXHOPOPTS IPV6_HOPOPTS #define IPV6_RXDSTOPTS IPV6_DSTOPTS #define IPV6_RXSRCRT IPV6_RTHDR #endif /* * Alternative names */ #define SCM_SRCRT IPV6_RXSRCRT #define IPV6_UNICAST_HOPS 16 #define IPV6_MULTICAST_IF 17 #define IPV6_MULTICAST_HOPS 18 #define IPV6_MULTICAST_LOOP 19 #define IPV6_ADD_MEMBERSHIP 20 #define IPV6_DROP_MEMBERSHIP 21 #define IPV6_ROUTER_ALERT 22 #define IPV6_MTU_DISCOVER 23 #define IPV6_MTU 24 #define IPV6_RECVERR 25 /* IPV6_MTU_DISCOVER values */ #define IPV6_PMTUDISC_DONT 0 #define IPV6_PMTUDISC_WANT 1 #define IPV6_PMTUDISC_DO 2 /* Flowlabel */ #define IPV6_FLOWLABEL_MGR 32 #define IPV6_FLOWINFO_SEND 33 #endif |