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1/* Copyright (C) 1997-2019 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, see
16 <http://www.gnu.org/licenses/>. */
17
18/* Generic version. */
19
20#ifndef _NETINET_IN_H
21# error "Never use <bits/in.h> directly; include <netinet/in.h> instead."
22#endif
23
24/* This is the generic version, do not assume a linux-based kernel. */
25#define __USE_KERNEL_IPV6_DEFS 0
26
27/* To select the IP level. */
28#define SOL_IP 0
29
30/* Options for use with `getsockopt' and `setsockopt' at the IP level.
31 The first word in the comment at the right is the data type used;
32 "bool" means a boolean value stored in an `int'. */
33#define IP_OPTIONS 1 /* ip_opts; IP per-packet options. */
34#define IP_HDRINCL 2 /* int; Header is included with data. */
35#define IP_TOS 3 /* int; IP type of service and precedence. */
36#define IP_TTL 4 /* int; IP time to live. */
37#define IP_RECVOPTS 5 /* bool; Receive all IP options w/datagram. */
38#define IP_RECVRETOPTS 6 /* bool; Receive IP options for response. */
39#define IP_RECVDSTADDR 7 /* bool; Receive IP dst addr w/datagram. */
40#define IP_RETOPTS 8 /* ip_opts; Set/get IP per-packet options. */
41#define IP_MULTICAST_IF 9 /* in_addr; set/get IP multicast i/f */
42#define IP_MULTICAST_TTL 10 /* unsigned char; set/get IP multicast ttl */
43#define IP_MULTICAST_LOOP 11 /* bool; set/get IP multicast loopback */
44#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */
45#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */
46
47#ifdef __USE_MISC
48/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
49 The `ip_dst' field is used for the first-hop gateway when using a
50 source route (this gets put into the header proper). */
51struct ip_opts
52 {
53 struct in_addr ip_dst; /* First hop; zero without source route. */
54 char ip_opts[40]; /* Actually variable in size. */
55 };
56#endif
57
58/* Socket-level values for IPv6. */
59#define SOL_IPV6 41
60#define SOL_ICMPV6 58
61
62/* IPV6 socket options. */
63#define IPV6_ADDRFORM 1
64#define IPV6_2292PKTINFO 2
65#define IPV6_2292HOPOPTS 3
66#define IPV6_2292DSTOPTS 4
67#define IPV6_2292RTHDR 5
68#define IPV6_2292PKTOPTIONS 6
69#define IPV6_CHECKSUM 7
70#define IPV6_2292HOPLIMIT 8
71
72#define IPV6_RXINFO IPV6_2292PKTINFO
73#define IPV6_TXINFO IPV6_RXINFO
74#define SCM_SRCINFO IPV6_TXINFO
75#define SCM_SRCRT IPV6_RXSRCRT
76
77#define IPV6_UNICAST_HOPS 16
78#define IPV6_MULTICAST_IF 17
79#define IPV6_MULTICAST_HOPS 18
80#define IPV6_MULTICAST_LOOP 19
81#define IPV6_JOIN_GROUP 20
82#define IPV6_LEAVE_GROUP 21
83#define IPV6_ROUTER_ALERT 22
84#define IPV6_MTU_DISCOVER 23
85#define IPV6_MTU 24
86#define IPV6_RECVERR 25
87#define IPV6_V6ONLY 26
88#define IPV6_JOIN_ANYCAST 27
89#define IPV6_LEAVE_ANYCAST 28
90
91/* Advanced API (RFC3542) (1). */
92#define IPV6_RECVPKTINFO 49
93#define IPV6_PKTINFO 50
94#define IPV6_RECVHOPLIMIT 51
95#define IPV6_HOPLIMIT 52
96#define IPV6_RECVHOPOPTS 53
97#define IPV6_HOPOPTS 54
98#define IPV6_RTHDRDSTOPTS 55
99#define IPV6_RECVRTHDR 56
100#define IPV6_RTHDR 57
101#define IPV6_RECVDSTOPTS 58
102#define IPV6_DSTOPTS 59
103#define IPV6_RECVPATHMTU 60
104#define IPV6_PATHMTU 61
105#define IPV6_DONTFRAG 62
106
107/* Obsolete synonyms for the above. */
108#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
109#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
110#define IPV6_RXHOPOPTS IPV6_2292HOPOPTS
111#define IPV6_RXDSTOPTS IPV6_2292DSTOPTS
112
113/* Routing header options for IPv6. */
114#define IPV6_RTHDR_LOOSE 0 /* Hop doesn't need to be neighbour. */
115#define IPV6_RTHDR_STRICT 1 /* Hop must be a neighbour. */
116
117#define IPV6_RTHDR_TYPE_0 0 /* IPv6 Routing header type 0. */
118

Warning: That file was not part of the compilation database. It may have many parsing errors.