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Diffstat (limited to 'libc/sysdeps/linux/common/bits/in.h')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/in.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/in.h b/libc/sysdeps/linux/common/bits/in.h new file mode 100644 index 000000000..e6cf57574 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/in.h @@ -0,0 +1,141 @@ +/* Copyright (C) 1991-1999, 2000 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Linux version. */ + +#ifndef _NETINET_IN_H +# error "Never use <bits/in.h> directly; include <netinet/in.h> instead." +#endif + +/* 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_ROUTER_ALERT 5 /* bool */ +#define IP_RECVOPTS 6 /* bool */ +#define IP_RETOPTS 7 /* bool */ +#define IP_PKTINFO 8 /* bool */ +#define IP_PKTOPTIONS 9 +#define IP_PMTUDISC 10 /* obsolete name? */ +#define IP_MTU_DISCOVER 10 /* int; see below */ +#define IP_RECVERR 11 /* bool */ +#define IP_RECVTTL 12 /* bool */ +#define IP_RECVTOS 13 /* bool */ +#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 */ + +/* For BSD compatibility. */ +#define IP_RECVRETOPTS IP_RETOPTS + +/* IP_MTU_DISCOVER arguments. */ +#define IP_PMTUDISC_DONT 0 /* Never send DF frames. */ +#define IP_PMTUDISC_WANT 1 /* Use per route hints. */ +#define IP_PMTUDISC_DO 2 /* Always DF. */ + +/* To select the IP level. */ +#define SOL_IP 0 + +#define IP_DEFAULT_MULTICAST_TTL 1 +#define IP_DEFAULT_MULTICAST_LOOP 1 +#define IP_MAX_MEMBERSHIPS 20 + +/* 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 */ + }; + +/* As above but including interface specification by index. */ +struct ip_mreqn + { + struct in_addr imr_multiaddr; /* IP multicast address of group */ + struct in_addr imr_address; /* local IP address of interface */ + int imr_ifindex; /* Interface index */ + }; + +/* Structure used for IP_PKTINFO. */ +struct in_pktinfo + { + int ipi_ifindex; /* Interface index */ + struct in_addr ipi_spec_dst; /* Routing destination address */ + struct in_addr ipi_addr; /* Header destination address */ + }; + +/* Options for use with `getsockopt' and `setsockopt' at the IPv6 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 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_NEXTHOP 9 +#define IPV6_AUTHHDR 10 +#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 SCM_SRCRT IPV6_RXSRCRT + +/* Obsolete synonyms for the above. */ +#define IPV6_RXHOPOPTS IPV6_HOPOPTS +#define IPV6_RXDSTOPTS IPV6_DSTOPTS +#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP +#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP + + +/* IPV6_MTU_DISCOVER values. */ +#define IPV6_PMTUDISC_DONT 0 /* Never send DF frames. */ +#define IPV6_PMTUDISC_WANT 1 /* Use per route hints. */ +#define IPV6_PMTUDISC_DO 2 /* Always DF. */ + +/* Socket level values for IPv6. */ +#define SOL_IPV6 41 +#define SOL_ICMPV6 58 + +/* 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. */ |