diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/in.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/in.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/in.h b/sysdeps/unix/sysv/linux/bits/in.h new file mode 100644 index 0000000000..0dd94bef96 --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/in.h @@ -0,0 +1,75 @@ +/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Linux version. */ + +#ifndef _NETINET_INBITS_H +#define _NETINET_INBITS_H 1 + +/* 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_TOS 1 /* int; IP type of service and precedence. */ +#define IP_TTL 2 /* int; IP time to live. */ +#define IP_HDRINCL 3 /* int; Header is included with data. */ +#define IP_OPTIONS 4 /* ip_opts; IP per-packet options. */ +#define IP_MULTICAST_IF 32 /* in_addr; set/get IP multicast i/f */ +#define IP_MULTICAST_TTL 33 /* u_char; set/get IP multicast ttl */ +#define IP_MULTICAST_LOOP 34 /* i_char; set/get IP multicast loopback */ +#define IP_ADD_MEMBERSHIP 35 /* ip_mreq; add an IP group membership */ +#define IP_DROP_MEMBERSHIP 36 /* ip_mreq; drop an IP group membership */ + +/* To select the IP level. */ +#define SOL_IP 0 + +/* Structure used to describe IP options for IP_OPTIONS. 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. */ + }; + +/* 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_PKTINFO 2 +#define IPV6_RXHOPOPTS 3 +#define IPV6_RXDSTOPTS 4 +#define IPV6_RXSRCRT 5 +#define IPV6_PKTOPTIONS 6 +#define IPV6_CHECKSUM 7 +#define IPV6_HOPLIMIT 8 + +#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_ADD_MEMBERSHIP 20 +#define IPV6_DROP_MEMBERSHIP 21 + +#endif /* netinet/inbits.h */ |