| /* Copyright (C) 1997 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 Library General Public License as |
| published by the Free Software Foundation; either version 2 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with the GNU C Library; see the file COPYING.LIB. If not, |
| write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* Generic version. */ |
| |
| #ifndef _NETINET_IN_H |
| # error "Never use <bits/in.h> directly; include <netinet/in.h> instead." |
| #endif |
| |
| /* Link numbers. */ |
| #define IMPLINK_IP 155 |
| #define IMPLINK_LOWEXPER 156 |
| #define IMPLINK_HIGHEXPER 158 |
| |
| |
| /* 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 1 /* ip_opts; IP per-packet options. */ |
| #define IP_HDRINCL 2 /* int; Header is included with data. */ |
| #define IP_TOS 3 /* int; IP type of service and precedence. */ |
| #define IP_TTL 4 /* int; IP time to live. */ |
| #define IP_RECVOPTS 5 /* bool; Receive all IP options w/datagram. */ |
| #define IP_RECVRETOPTS 6 /* bool; Receive IP options for response. */ |
| #define IP_RECVDSTADDR 7 /* bool; Receive IP dst addr w/datagram. */ |
| #define IP_RETOPTS 8 /* ip_opts; Set/get IP per-packet options. */ |
| #define IP_MULTICAST_IF 9 /* in_addr; set/get IP multicast i/f */ |
| #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ |
| #define IP_MULTICAST_LOOP 11 /* i_char; set/get IP multicast loopback */ |
| #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ |
| #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ |
| |
| /* 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. */ |
| }; |
| |
| /* Structure used for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. */ |
| struct ip_mreq |
| { |
| struct in_addr imr_multiaddr; /* IP multicast address of group */ |
| struct in_addr imr_interface; /* local IP address of interface */ |
| }; |
| |
| /* IPV6 socket options. */ |
| #define IPV6_ADDRFORM 1 |
| #define IPV6_RXINFO 2 |
| #define IPV6_RXHOPOPTS 3 |
| #define IPV6_RXDSTOPTS 4 |
| #define IPV6_RXSRCRT 5 |
| #define IPV6_PKTOPTIONS 6 |
| #define IPV6_CHECKSUM 7 |
| #define IPV6_HOPLIMIT 8 |
| |
| #define IPV6_TXINFO IPV6_RXINFO |
| #define SCM_SRCINFO IPV6_TXINFO |
| #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 |