1 /* Copyright (C) 1991-2000,2004,2008,2010,2011 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 /* Linux version. */ 20 21 #ifndef _NETINET_IN_H 22 # error "Never use <bits/in.h> directly; include <netinet/in.h> instead." 23 #endif 24 25 /* Options for use with `getsockopt' and `setsockopt' at the IP level. 26 The first word in the comment at the right is the data type used; 27 "bool" means a boolean value stored in an `int'. */ 28 #define IP_OPTIONS 4 /* ip_opts; IP per-packet options. */ 29 #define IP_HDRINCL 3 /* int; Header is included with data. */ 30 #define IP_TOS 1 /* int; IP type of service and precedence. */ 31 #define IP_TTL 2 /* int; IP time to live. */ 32 #define IP_RECVOPTS 6 /* bool; Receive all IP options w/datagram. */ 33 /* For BSD compatibility. */ 34 #define IP_RECVRETOPTS IP_RETOPTS /* bool; Receive IP options for response. */ 35 #define IP_RETOPTS 7 /* ip_opts; Set/get IP per-packet options. */ 36 #define IP_MULTICAST_IF 32 /* in_addr; set/get IP multicast i/f */ 37 #define IP_MULTICAST_TTL 33 /* u_char; set/get IP multicast ttl */ 38 #define IP_MULTICAST_LOOP 34 /* i_char; set/get IP multicast loopback */ 39 #define IP_ADD_MEMBERSHIP 35 /* ip_mreq; add an IP group membership */ 40 #define IP_DROP_MEMBERSHIP 36 /* ip_mreq; drop an IP group membership */ 41 #define IP_UNBLOCK_SOURCE 37 /* ip_mreq_source: unblock data from source */ 42 #define IP_BLOCK_SOURCE 38 /* ip_mreq_source: block data from source */ 43 #define IP_ADD_SOURCE_MEMBERSHIP 39 /* ip_mreq_source: join source group */ 44 #define IP_DROP_SOURCE_MEMBERSHIP 40 /* ip_mreq_source: leave source group */ 45 #define IP_MSFILTER 41 46 #if defined __USE_MISC || defined __USE_GNU 47 # define MCAST_JOIN_GROUP 42 /* group_req: join any-source group */ 48 # define MCAST_BLOCK_SOURCE 43 /* group_source_req: block from given group */ 49 # define MCAST_UNBLOCK_SOURCE 44 /* group_source_req: unblock from given group*/ 50 # define MCAST_LEAVE_GROUP 45 /* group_req: leave any-source group */ 51 # define MCAST_JOIN_SOURCE_GROUP 46 /* group_source_req: join source-spec gr */ 52 # define MCAST_LEAVE_SOURCE_GROUP 47 /* group_source_req: leave source-spec gr*/ 53 # define MCAST_MSFILTER 48 54 55 # define MCAST_EXCLUDE 0 56 # define MCAST_INCLUDE 1 57 #endif 58 59 #define IP_ROUTER_ALERT 5 /* bool */ 60 #define IP_PKTINFO 8 /* bool */ 61 #define IP_PKTOPTIONS 9 62 #define IP_PMTUDISC 10 /* obsolete name? */ 63 #define IP_MTU_DISCOVER 10 /* int; see below */ 64 #define IP_RECVERR 11 /* bool */ 65 #define IP_RECVTTL 12 /* bool */ 66 #define IP_RECVTOS 13 /* bool */ 67 #define IP_MTU 14 /* int */ 68 #define IP_FREEBIND 15 69 #define IP_IPSEC_POLICY 16 70 #define IP_XFRM_POLICY 17 71 #define IP_PASSSEC 18 72 #define IP_TRANSPARENT 19 73 #define IP_MULTICAST_ALL 49 /* bool */ 74 75 /* TProxy original addresses */ 76 #define IP_ORIGDSTADDR 20 77 #define IP_RECVORIGDSTADDR IP_ORIGDSTADDR 78 79 #define IP_MINTTL 21 80 81 82 /* IP_MTU_DISCOVER arguments. */ 83 #define IP_PMTUDISC_DONT 0 /* Never send DF frames. */ 84 #define IP_PMTUDISC_WANT 1 /* Use per route hints. */ 85 #define IP_PMTUDISC_DO 2 /* Always DF. */ 86 #define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu. */ 87 88 /* To select the IP level. */ 89 #define SOL_IP 0 90 91 #define IP_DEFAULT_MULTICAST_TTL 1 92 #define IP_DEFAULT_MULTICAST_LOOP 1 93 #define IP_MAX_MEMBERSHIPS 20 94 95 #if defined __USE_MISC || defined __USE_GNU 96 /* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS. 97 The `ip_dst' field is used for the first-hop gateway when using a 98 source route (this gets put into the header proper). */ 99 struct ip_opts 100 { 101 struct in_addr ip_dst; /* First hop; zero without source route. */ 102 char ip_opts[40]; /* Actually variable in size. */ 103 }; 104 105 /* Like `struct ip_mreq' but including interface specification by index. */ 106 struct ip_mreqn 107 { 108 struct in_addr imr_multiaddr; /* IP multicast address of group */ 109 struct in_addr imr_address; /* local IP address of interface */ 110 int imr_ifindex; /* Interface index */ 111 }; 112 113 /* Structure used for IP_PKTINFO. */ 114 struct in_pktinfo 115 { 116 int ipi_ifindex; /* Interface index */ 117 struct in_addr ipi_spec_dst; /* Routing destination address */ 118 struct in_addr ipi_addr; /* Header destination address */ 119 }; 120 #endif 121 122 /* Options for use with `getsockopt' and `setsockopt' at the IPv6 level. 123 The first word in the comment at the right is the data type used; 124 "bool" means a boolean value stored in an `int'. */ 125 #define IPV6_ADDRFORM 1 126 #define IPV6_2292PKTINFO 2 127 #define IPV6_2292HOPOPTS 3 128 #define IPV6_2292DSTOPTS 4 129 #define IPV6_2292RTHDR 5 130 #define IPV6_2292PKTOPTIONS 6 131 #define IPV6_CHECKSUM 7 132 #define IPV6_2292HOPLIMIT 8 133 134 #define SCM_SRCRT IPV6_RXSRCRT 135 136 #define IPV6_NEXTHOP 9 137 #define IPV6_AUTHHDR 10 138 #define IPV6_UNICAST_HOPS 16 139 #define IPV6_MULTICAST_IF 17 140 #define IPV6_MULTICAST_HOPS 18 141 #define IPV6_MULTICAST_LOOP 19 142 #define IPV6_JOIN_GROUP 20 143 #define IPV6_LEAVE_GROUP 21 144 #define IPV6_ROUTER_ALERT 22 145 #define IPV6_MTU_DISCOVER 23 146 #define IPV6_MTU 24 147 #define IPV6_RECVERR 25 148 #define IPV6_V6ONLY 26 149 #define IPV6_JOIN_ANYCAST 27 150 #define IPV6_LEAVE_ANYCAST 28 151 #define IPV6_IPSEC_POLICY 34 152 #define IPV6_XFRM_POLICY 35 153 154 #define IPV6_RECVPKTINFO 49 155 #define IPV6_PKTINFO 50 156 #define IPV6_RECVHOPLIMIT 51 157 #define IPV6_HOPLIMIT 52 158 #define IPV6_RECVHOPOPTS 53 159 #define IPV6_HOPOPTS 54 160 #define IPV6_RTHDRDSTOPTS 55 161 #define IPV6_RECVRTHDR 56 162 #define IPV6_RTHDR 57 163 #define IPV6_RECVDSTOPTS 58 164 #define IPV6_DSTOPTS 59 165 166 #define IPV6_RECVTCLASS 66 167 #define IPV6_TCLASS 67 168 169 /* Obsolete synonyms for the above. */ 170 #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP 171 #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP 172 #define IPV6_RXHOPOPTS IPV6_HOPOPTS 173 #define IPV6_RXDSTOPTS IPV6_DSTOPTS 174 175 /* IPV6_MTU_DISCOVER values. */ 176 #define IPV6_PMTUDISC_DONT 0 /* Never send DF frames. */ 177 #define IPV6_PMTUDISC_WANT 1 /* Use per route hints. */ 178 #define IPV6_PMTUDISC_DO 2 /* Always DF. */ 179 #define IPV6_PMTUDISC_PROBE 3 /* Ignore dst pmtu. */ 180 181 /* Socket level values for IPv6. */ 182 #define SOL_IPV6 41 183 #define SOL_ICMPV6 58 184 185 /* Routing header options for IPv6. */ 186 #define IPV6_RTHDR_LOOSE 0 /* Hop doesn't need to be neighbour. */ 187 #define IPV6_RTHDR_STRICT 1 /* Hop must be a neighbour. */ 188 189 #define IPV6_RTHDR_TYPE_0 0 /* IPv6 Routing header type 0. */ 190
