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bcfe3a54 | 1 | /* Copyright (C) 1997-2012 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
478b92f0 | 4 | The GNU C Library is free software; you can redistribute it and/or |
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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. | |
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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 | |
478b92f0 | 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
41bdb6e2 | 12 | Lesser General Public License for more details. |
0501d603 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | /* Generic version. */ | |
19 | ||
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20 | #ifndef _NETINET_IN_H |
21 | # error "Never use <bits/in.h> directly; include <netinet/in.h> instead." | |
22 | #endif | |
0501d603 | 23 | |
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24 | /* To select the IP level. */ |
25 | #define SOL_IP 0 | |
26 | ||
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27 | /* Options for use with `getsockopt' and `setsockopt' at the IP level. |
28 | The first word in the comment at the right is the data type used; | |
29 | "bool" means a boolean value stored in an `int'. */ | |
30 | #define IP_OPTIONS 1 /* ip_opts; IP per-packet options. */ | |
31 | #define IP_HDRINCL 2 /* int; Header is included with data. */ | |
32 | #define IP_TOS 3 /* int; IP type of service and precedence. */ | |
33 | #define IP_TTL 4 /* int; IP time to live. */ | |
34 | #define IP_RECVOPTS 5 /* bool; Receive all IP options w/datagram. */ | |
35 | #define IP_RECVRETOPTS 6 /* bool; Receive IP options for response. */ | |
36 | #define IP_RECVDSTADDR 7 /* bool; Receive IP dst addr w/datagram. */ | |
37 | #define IP_RETOPTS 8 /* ip_opts; Set/get IP per-packet options. */ | |
38 | #define IP_MULTICAST_IF 9 /* in_addr; set/get IP multicast i/f */ | |
39 | #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ | |
40 | #define IP_MULTICAST_LOOP 11 /* i_char; set/get IP multicast loopback */ | |
41 | #define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ | |
42 | #define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ | |
43 | ||
44 | /* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS. | |
45 | The `ip_dst' field is used for the first-hop gateway when using a | |
46 | source route (this gets put into the header proper). */ | |
47 | struct ip_opts | |
48 | { | |
49 | struct in_addr ip_dst; /* First hop; zero without source route. */ | |
50 | char ip_opts[40]; /* Actually variable in size. */ | |
51 | }; | |
52 | ||
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53 | /* Socket-level values for IPv6. */ |
54 | #define SOL_IPV6 41 | |
55 | #define SOL_ICMPV6 58 | |
56 | ||
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57 | /* IPV6 socket options. */ |
58 | #define IPV6_ADDRFORM 1 | |
bcfe3a54 | 59 | #define IPV6_PKTINFO 2 |
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60 | #define IPV6_HOPOPTS 3 |
61 | #define IPV6_DSTOPTS 4 | |
bfaf0bbb | 62 | #define IPV6_RTHDR 5 |
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63 | #define IPV6_PKTOPTIONS 6 |
64 | #define IPV6_CHECKSUM 7 | |
65 | #define IPV6_HOPLIMIT 8 | |
66 | ||
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67 | #define IPV6_RXINFO IPV6_PKTINFO |
68 | #define IPV6_TXINFO IPV6_PKTINFO | |
69 | #define SCM_SRCINFO IPV6_PKTINFO | |
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70 | #define SCM_SRCRT IPV6_RXSRCRT |
71 | ||
72 | #define IPV6_UNICAST_HOPS 16 | |
73 | #define IPV6_MULTICAST_IF 17 | |
74 | #define IPV6_MULTICAST_HOPS 18 | |
75 | #define IPV6_MULTICAST_LOOP 19 | |
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76 | #define IPV6_JOIN_GROUP 20 |
77 | #define IPV6_LEAVE_GROUP 21 | |
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78 | #define IPV6_ROUTER_ALERT 22 |
79 | #define IPV6_MTU_DISCOVER 23 | |
80 | #define IPV6_MTU 24 | |
81 | #define IPV6_RECVERR 25 | |
82 | #define IPV6_V6ONLY 26 | |
83 | #define IPV6_JOIN_ANYCAST 27 | |
84 | #define IPV6_LEAVE_ANYCAST 28 | |
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85 | |
86 | /* Obsolete synonyms for the above. */ | |
87 | #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP | |
88 | #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP | |
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89 | #define IPV6_RXHOPOPTS IPV6_HOPOPTS |
90 | #define IPV6_RXDSTOPTS IPV6_DSTOPTS | |
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91 | |
92 | /* Routing header options for IPv6. */ | |
93 | #define IPV6_RTHDR_LOOSE 0 /* Hop doesn't need to be neighbour. */ | |
94 | #define IPV6_RTHDR_STRICT 1 /* Hop must be a neighbour. */ | |
95 | ||
96 | #define IPV6_RTHDR_TYPE_0 0 /* IPv6 Routing header type 0. */ |