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- /****************************************************************************
- *
- * $Source: /usr/local/cvsroot/gccsdk/unixlib/source/clib/bits/in.h,v $
- * $Date: 2004/06/12 08:59:47 $
- * $Revision: 1.2 $
- * $State: Exp $
- * $Author: peter $
- *
- ***************************************************************************/
-
- /* Copyright (C) 1997, 2000 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, 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. */
- #ifndef __cplusplus
- char ip_opts[40]; /* Actually variable in size. */
- #else
- char Ip_opts[40];
- #endif
- };
-
- /* 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_RTHDR 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_JOIN_GROUP 20
- #define IPV6_LEAVE_GROUP 21
-
- /* Obsolete synonyms for the above. */
- #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
- #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
-
- /* 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. */
-