/* Copyright (C) 1991-1999, 2000, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ /* Linux version. */ #ifndef _NETINET_IN_H # error "Never use directly; include instead." #endif /* Options for use with `getsockopt' and `setsockopt' at the IP level. The first word in the comment at the right is the data type used; "bool" means a boolean value stored in an `int'. */ #define IP_OPTIONS 4 /* ip_opts; IP per-packet options. */ #define IP_HDRINCL 3 /* int; Header is included with data. */ #define IP_TOS 1 /* int; IP type of service and precedence. */ #define IP_TTL 2 /* int; IP time to live. */ #define IP_RECVOPTS 6 /* bool; Receive all IP options w/datagram. */ /* For BSD compatibility. */ #define IP_RECVRETOPTS IP_RETOPTS /* bool; Receive IP options for response. */ #define IP_RETOPTS 7 /* ip_opts; Set/get IP per-packet options. */ #define IP_MULTICAST_IF 32 /* in_addr; set/get IP multicast i/f */ #define IP_MULTICAST_TTL 33 /* u_char; set/get IP multicast ttl */ #define IP_MULTICAST_LOOP 34 /* i_char; set/get IP multicast loopback */ #define IP_ADD_MEMBERSHIP 35 /* ip_mreq; add an IP group membership */ #define IP_DROP_MEMBERSHIP 36 /* ip_mreq; drop an IP group membership */ #define IP_UNBLOCK_SOURCE 37 /* ip_mreq_source: unblock data from source */ #define IP_BLOCK_SOURCE 38 /* ip_mreq_source: block data from source */ #define IP_ADD_SOURCE_MEMBERSHIP 39 /* ip_mreq_source: join source group */ #define IP_DROP_SOURCE_MEMBERSHIP 40 /* ip_mreq_source: leave source group */ #define IP_MSFILTER 41 #define MCAST_JOIN_GROUP 42 /* group_req: join any-source group */ #define MCAST_BLOCK_SOURCE 43 /* group_source_req: block from given group */ #define MCAST_UNBLOCK_SOURCE 44 /* group_source_req: unblock from given group*/ #define MCAST_LEAVE_GROUP 45 /* group_req: leave any-source group */ #define MCAST_JOIN_SOURCE_GROUP 46 /* group_source_req: join source-spec gr */ #define MCAST_LEAVE_SOURCE_GROUP 47 /* group_source_req: leave source-spec gr*/ #define MCAST_MSFILTER 48 #define MCAST_EXCLUDE 0 #define MCAST_INCLUDE 1 #define IP_ROUTER_ALERT 5 /* bool */ #define IP_PKTINFO 8 /* bool */ #define IP_PKTOPTIONS 9 #define IP_PMTUDISC 10 /* obsolete name? */ #define IP_MTU_DISCOVER 10 /* int; see below */ #define IP_RECVERR 11 /* bool */ #define IP_RECVTTL 12 /* bool */ #define IP_RECVTOS 13 /* bool */ /* IP_MTU_DISCOVER arguments. */ #define IP_PMTUDISC_DONT 0 /* Never send DF frames. */ #define IP_PMTUDISC_WANT 1 /* Use per route hints. */ #define IP_PMTUDISC_DO 2 /* Always DF. */ /* To select the IP level. */ #define SOL_IP 0 #define IP_DEFAULT_MULTICAST_TTL 1 #define IP_DEFAULT_MULTICAST_LOOP 1 #define IP_MAX_MEMBERSHIPS 20 /* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS. The `ip_dst' field is used for the first-hop gateway when using a source route (this gets put into the header proper). */ struct ip_opts { struct in_addr ip_dst; /* First hop; zero without source route. */ char ip_opts[40]; /* Actually variable in size. */ }; /* Like `struct ip_mreq' but including interface specification by index. */ struct ip_mreqn { struct in_addr imr_multiaddr; /* IP multicast address of group */ struct in_addr imr_address; /* local IP address of interface */ int imr_ifindex; /* Interface index */ }; /* Structure used for IP_PKTINFO. */ struct in_pktinfo { int ipi_ifindex; /* Interface index */ struct in_addr ipi_spec_dst; /* Routing destination address */ struct in_addr ipi_addr; /* Header destination address */ }; #ifdef __UCLIBC_HAS_IPV6__ /* Options for use with `getsockopt' and `setsockopt' at the IPv6 level. The first word in the comment at the right is the data type used; "bool" means a boolean value stored in an `int'. */ #define IPV6_ADDRFORM 1 #define IPV6_2292PKTINFO 2 #define IPV6_2292HOPOPTS 3 #define IPV6_2292DSTOPTS 4 #define IPV6_2292RTHDR 5 #define IPV6_2292PKTOPTIONS 6 #define IPV6_CHECKSUM 7 #define IPV6_2292HOPLIMIT 8 #define SCM_SRCRT IPV6_RXSRCRT #define IPV6_NEXTHOP 9 #define IPV6_AUTHHDR 10 #define IPV6_UNICAST_HOPS 16 #define IPV6_MULTICAST_IF 17 #define IPV6_MULTICAST_HOPS 18 #define IPV6_MULTICAST_LOOP 19 #define IPV6_JOIN_GROUP 20 #define IPV6_LEAVE_GROUP 21 #define IPV6_ROUTER_ALERT 22 #define IPV6_MTU_DISCOVER 23 #define IPV6_MTU 24 #define IPV6_RECVERR 25 #define IPV6_V6ONLY 26 #define IPV6_JOIN_ANYCAST 27 #define IPV6_LEAVE_ANYCAST 28 #define IPV6_IPSEC_POLICY 34 #define IPV6_XFRM_POLICY 35 #define IPV6_RECVPKTINFO 49 #define IPV6_PKTINFO 50 #define IPV6_RECVHOPLIMIT 51 #define IPV6_HOPLIMIT 52 #define IPV6_RECVHOPOPTS 53 #define IPV6_HOPOPTS 54 #define IPV6_RTHDRDSTOPTS 55 #define IPV6_RECVRTHDR 56 #define IPV6_RTHDR 57 #define IPV6_RECVDSTOPTS 58 #define IPV6_DSTOPTS 59 #define IPV6_RECVTCLASS 66 #define IPV6_TCLASS 67 /* Obsolete synonyms for the above. */ #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP #define IPV6_RXHOPOPTS IPV6_HOPOPTS #define IPV6_RXDSTOPTS IPV6_DSTOPTS /* IPV6_MTU_DISCOVER values. */ #define IPV6_PMTUDISC_DONT 0 /* Never send DF frames. */ #define IPV6_PMTUDISC_WANT 1 /* Use per route hints. */ #define IPV6_PMTUDISC_DO 2 /* Always DF. */ /* Socket level values for IPv6. */ #define SOL_IPV6 41 #define SOL_ICMPV6 58 /* Routing header options for IPv6. */ #define IPV6_RTHDR_LOOSE 0 /* Hop doesn't need to be neighbour. */ #define IPV6_RTHDR_STRICT 1 /* Hop must be a neighbour. */ #define IPV6_RTHDR_TYPE_0 0 /* IPv6 Routing header type 0. */ #endif /* __UCLIBC_HAS_IPV6__ */