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- /*
- * Copyright (c) 1982, 1986, 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)in.h 8.3 (Berkeley) 1/3/94
- */
-
- #ifndef __netinet_in_h
- #define __netinet_in_h
-
- /* Freenet programmers interface - netinet/in.h - edited by andy 23/5/95 */
-
- #include <sys/types.h>
- /*
- * Constants and structures defined by the internet system,
- * Per RFC 790, September 1981, and numerous additions.
- */
-
- /*
- * Protocols
- */
- #define IPPROTO_IP 0 /* Dummy for IP */
- #define IPPROTO_ICMP 1 /* Internet Control Message Protocol */
- #define IPPROTO_IGMP 2 /* Group management protocol */
- #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
- #define IPPROTO_TCP 6 /* Transmission Control Protocol */
- #define IPPROTO_EGP 8 /* exterior gateway protocol */
- #define IPPROTO_PUP 12 /* pup */
-
- #define IPPROTO_UDP 17 /* User Datagram Protocol */
- #define IPPROTO_IDP 22 /* xns idp */
- #define IPPROTO_TP 29 /* tp-4 w/ class negotiation */
- #define IPPROTO_EON 80 /* ISO cnlp */
- #define IPPROTO_ENCAP 98 /* encapsulation header */
-
- #define IPPROTO_RAW 255 /* Raw socket */
- #define IPPROTO_MAX 256
-
- /*
- * Ports below this are reserved for 'well-known' services
- */
- #define IPPORT_RESERVED 1024
-
- /*
- * Ports above this are reserved for other servers
- */
- #define IPPORT_USERRESERVED 5000
-
- /*
- * Internet address (a structure for historical reasons)
- */
- struct in_addr {
- u_long s_addr;
- };
-
- /*
- * Macros for decomposing class A addresses
- */
- #define IN_CLASSA(i) (((long)(i) & 0x80000000) == 0)
- #define IN_CLASSA_NET 0xff000000
- #define IN_CLASSA_NSHIFT 24
- #define IN_CLASSA_HOST 0x00ffffff
- #define IN_CLASSA_MAX 128
-
- /*
- * Macros for decomposing class B addresses
- */
- #define IN_CLASSB(i) (((long)(i) & 0xc0000000) == 0x80000000)
- #define IN_CLASSB_NET 0xffff0000
- #define IN_CLASSB_NSHIFT 16
- #define IN_CLASSB_HOST 0x0000ffff
- #define IN_CLASSB_MAX 65536
-
- /*
- * Macros for decomposing class C addresses
- */
- #define IN_CLASSC(i) (((long)(i) & 0xe0000000) == 0xc0000000)
- #define IN_CLASSC_NET 0xffffff00
- #define IN_CLASSC_NSHIFT 8
- #define IN_CLASSC_HOST 0x000000ff
-
-
- #define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000)
- #define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */
- #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */
- #define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */
- #define IN_MULTICAST(i) IN_CLASSD(i)
-
- #define IN_EXPERIMENTAL(i) (((long)(i) & 0xf0000000) == 0xf0000000)
- #define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000)
-
- /*
- * Some useful addresses
- */
- #define INADDR_ANY (u_long)0x00000000 /* Wildcard address */
- #define INADDR_LOOPBACK (u_long)0x7f000001 /* Loopback address */
- #define INADDR_BROADCAST (u_long)0xffffffff /* Broadcast address */
-
- #define INADDR_UNSPEC_GROUP (u_long)0xe0000000 /* 224.0.0.0 */
- #define INADDR_ALLHOSTS_GROUP (u_long)0xe0000001 /* 224.0.0.1 */
- #define INADDR_MAX_LOCAL_GROUP (u_long)0xe00000ff /* 224.0.0.255 */
-
- #define IN_LOOPBACKNET 127 /* official! */
-
- /*
- * Definition of an internet style socket address
- */
- struct sockaddr_in {
- short sin_family; /* Family (AF_INET) */
- u_short sin_port; /* Port number */
- struct in_addr sin_addr; /* Internet address */
- char sin_zero[8]; /* Padding */
- };
-
- /*
- * Options for use with [gs]etsockopt at the IP level. First word of
- * comment is data type; bool is stored in int.
- */
- #define IP_OPTIONS 1 /* buf/ip_opts; set/get IP options */
- #define IP_HDRINCL 2 /* int; header is included with data */
- #define IP_TOS 3 /* int; IP type of service and preced. */
- #define IP_TTL 4 /* int; IP time to live */
- #define IP_RECVOPTS 5 /* bool; receive all IP opts w/dgram */
- #define IP_RECVRETOPTS 6 /* bool; receive IP opts for response */
- #define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/dgram */
- #define IP_RETOPTS 8 /* ip_opts; set/get IP options */
- #define IP_MULTICAST_IF 9 /* u_char; set/get IP multicast i/f */
- #define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */
- #define IP_MULTICAST_LOOP 11 /* u_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 */
-
- /*
- * Defaults and limits for options
- */
- #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */
- #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
- #define IP_MAX_MEMBERSHIPS 20 /* per socket; must fit in one mbuf */
-
- /*
- * Argument structure 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 */
- };
-
- #endif
-