mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
97 lines
3.6 KiB
C
97 lines
3.6 KiB
C
/* Copyright (C) 1997-2016 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
/* Generic version. */
|
|
|
|
#ifndef _NETINET_IN_H
|
|
# error "Never use <bits/in.h> directly; include <netinet/in.h> instead."
|
|
#endif
|
|
|
|
/* To select the IP level. */
|
|
#define SOL_IP 0
|
|
|
|
/* 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. */
|
|
};
|
|
|
|
/* Socket-level values for IPv6. */
|
|
#define SOL_IPV6 41
|
|
#define SOL_ICMPV6 58
|
|
|
|
/* IPV6 socket options. */
|
|
#define IPV6_ADDRFORM 1
|
|
#define IPV6_PKTINFO 2
|
|
#define IPV6_HOPOPTS 3
|
|
#define IPV6_DSTOPTS 4
|
|
#define IPV6_RTHDR 5
|
|
#define IPV6_PKTOPTIONS 6
|
|
#define IPV6_CHECKSUM 7
|
|
#define IPV6_HOPLIMIT 8
|
|
|
|
#define IPV6_RXINFO IPV6_PKTINFO
|
|
#define IPV6_TXINFO IPV6_PKTINFO
|
|
#define SCM_SRCINFO IPV6_PKTINFO
|
|
#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
|
|
#define IPV6_ROUTER_ALERT 22
|
|
#define IPV6_MTU_DISCOVER 23
|
|
#define IPV6_MTU 24
|
|
#define IPV6_RECVERR 25
|
|
#define IPV6_V6ONLY 26
|
|
#define IPV6_JOIN_ANYCAST 27
|
|
#define IPV6_LEAVE_ANYCAST 28
|
|
|
|
/* Obsolete synonyms for the above. */
|
|
#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
|
|
#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
|
|
#define IPV6_RXHOPOPTS IPV6_HOPOPTS
|
|
#define IPV6_RXDSTOPTS IPV6_DSTOPTS
|
|
|
|
/* 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. */
|