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328b540006
* sysdeps/generic/bits/in.h (IMPLINK_IP, IMPLINK_LOWEXPER, IMPLINK_HIGHEXPER): Macros removed. These are long obsolete in BSD systems where they originated. * conform/data/netinet/in.h-data: Remove `allow IMPLINK_*'
90 lines
3.5 KiB
C
90 lines
3.5 KiB
C
/* Copyright (C) 1997, 2000, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/* Generic version. */
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#ifndef _NETINET_IN_H
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# error "Never use <bits/in.h> directly; include <netinet/in.h> instead."
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#endif
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/* Options for use with `getsockopt' and `setsockopt' at the IP level.
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The first word in the comment at the right is the data type used;
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"bool" means a boolean value stored in an `int'. */
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#define IP_OPTIONS 1 /* ip_opts; IP per-packet options. */
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#define IP_HDRINCL 2 /* int; Header is included with data. */
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#define IP_TOS 3 /* int; IP type of service and precedence. */
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#define IP_TTL 4 /* int; IP time to live. */
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#define IP_RECVOPTS 5 /* bool; Receive all IP options w/datagram. */
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#define IP_RECVRETOPTS 6 /* bool; Receive IP options for response. */
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#define IP_RECVDSTADDR 7 /* bool; Receive IP dst addr w/datagram. */
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#define IP_RETOPTS 8 /* ip_opts; Set/get IP per-packet options. */
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#define IP_MULTICAST_IF 9 /* in_addr; set/get IP multicast i/f */
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#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */
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#define IP_MULTICAST_LOOP 11 /* i_char; set/get IP multicast loopback */
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#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */
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#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */
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/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
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The `ip_dst' field is used for the first-hop gateway when using a
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source route (this gets put into the header proper). */
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struct ip_opts
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{
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struct in_addr ip_dst; /* First hop; zero without source route. */
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char ip_opts[40]; /* Actually variable in size. */
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};
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/* Structure used for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. */
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struct ip_mreq
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{
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_interface; /* local IP address of interface */
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};
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/* IPV6 socket options. */
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#define IPV6_ADDRFORM 1
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#define IPV6_RXINFO 2
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#define IPV6_HOPOPTS 3
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#define IPV6_DSTOPTS 4
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#define IPV6_RTHDR 5
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#define IPV6_PKTOPTIONS 6
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#define IPV6_CHECKSUM 7
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#define IPV6_HOPLIMIT 8
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#define IPV6_TXINFO IPV6_RXINFO
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#define SCM_SRCINFO IPV6_TXINFO
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#define SCM_SRCRT IPV6_RXSRCRT
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#define IPV6_UNICAST_HOPS 16
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#define IPV6_MULTICAST_IF 17
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#define IPV6_MULTICAST_HOPS 18
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#define IPV6_MULTICAST_LOOP 19
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#define IPV6_JOIN_GROUP 20
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#define IPV6_LEAVE_GROUP 21
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/* Obsolete synonyms for the above. */
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#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
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#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
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#define IPV6_RXHOPOPTS IPV6_HOPOPTS
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#define IPV6_RXDSTOPTS IPV6_DSTOPTS
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/* Routing header options for IPv6. */
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#define IPV6_RTHDR_LOOSE 0 /* Hop doesn't need to be neighbour. */
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#define IPV6_RTHDR_STRICT 1 /* Hop must be a neighbour. */
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#define IPV6_RTHDR_TYPE_0 0 /* IPv6 Routing header type 0. */
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