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- /*
- * Mach Operating System
- * Copyright (c) 1987 Carnegie-Mellon University
- * All rights reserved. The CMU software License Agreement specifies
- * the terms and conditions for use and redistribution.
- */
- /*
- * Copyright (c) 1982, 1986 Regents of the University of California.
- * All rights reserved.
- * Redistribution and use in source and binary forms are permitted
- * provided that this notice is preserved and that due credit is given
- * to the University of California at Berkeley. The name of the University
- * may not be used to endorse or promote products derived from this
- * software without specific prior written permission. This software
- * is provided ``as is'' without express or implied warranty.
- *
- * @(#)in.h 7.5 (Berkeley) 2/22/88
- *
- * HISTORY
- * 11-Jul-93 Mac Gillon (mgillon) at NeXT
- * Integrated MULTICAST support
- *
- * 26-Sep-89 Morris Meyer (mmeyer) at NeXT
- * NFS 4.0 Changes: Added definition of official port numbers.
- */
-
- #ifndef _IN_
- #define _IN_
-
- #ifdef KERNEL
- #include <sys/protosw.h>
- #include <sys/domain.h>
- #include <bsd/machine/endian.h>
- #endif KERNEL
-
- /* @(#)in.h 2.2 88/06/10 4.0NFSSRC; from 7.1 (Berkeley) 6/5/86 */
-
- /*
- * Constants and structures defined by the internet system,
- * Per RFC 790, September 1981.
- */
-
- /*
- * Protocols
- */
- #define IPPROTO_IP 0 /* dummy for IP */
- #define IPPROTO_ICMP 1 /* control message protocol */
- #define IPPROTO_IGMP 2 /* group mgmt protocol */
- #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
- #define IPPROTO_TCP 6 /* tcp */
- #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_RAW 255 /* raw IP packet */
- #define IPPROTO_MAX 256
-
- /*
- * Port/socket numbers: network standard functions
- */
- #define IPPORT_ECHO 7
- #define IPPORT_DISCARD 9
- #define IPPORT_SYSTAT 11
- #define IPPORT_DAYTIME 13
- #define IPPORT_NETSTAT 15
- #define IPPORT_FTP 21
- #define IPPORT_TELNET 23
- #define IPPORT_SMTP 25
- #define IPPORT_TIMESERVER 37
- #define IPPORT_NAMESERVER 42
- #define IPPORT_WHOIS 43
- #define IPPORT_MTP 57
-
- /*
- * Port/socket numbers: host specific functions
- */
- #define IPPORT_TFTP 69
- #define IPPORT_RJE 77
- #define IPPORT_FINGER 79
- #define IPPORT_TTYLINK 87
- #define IPPORT_SUPDUP 95
-
- /*
- * UNIX TCP sockets
- */
- #define IPPORT_EXECSERVER 512
- #define IPPORT_LOGINSERVER 513
- #define IPPORT_CMDSERVER 514
- #define IPPORT_EFSSERVER 520
-
- /*
- * UNIX UDP sockets
- */
- #define IPPORT_BIFFUDP 512
- #define IPPORT_WHOSERVER 513
- #define IPPORT_ROUTESERVER 520 /* 520+1 also used */
-
- /*
- * Ports < IPPORT_RESERVED are reserved for
- * privileged processes (e.g. root).
- * Ports > IPPORT_USERRESERVED are reserved
- * for servers, not necessarily privileged.
- */
- #define IPPORT_RESERVED 1024
- #define IPPORT_USERRESERVED 5000
-
- /*
- * Link numbers
- */
- #define IMPLINK_IP 155
- #define IMPLINK_LOWEXPER 156
- #define IMPLINK_HIGHEXPER 158
-
- /*
- * Internet address (a structure for historical reasons)
- */
- struct in_addr {
- #if NeXT
- union {
- struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
- struct { u_short s_w1,s_w2; } S_un_w;
- u_long S_addr;
- } S_un;
- #define s_addr S_un.S_addr /* can be used for most tcp & ip code */
- #define s_host S_un.S_un_b.s_b2 /* host on imp */
- #define s_net S_un.S_un_b.s_b1 /* network */
- #define s_imp S_un.S_un_w.s_w2 /* imp */
- #define s_impno S_un.S_un_b.s_b4 /* imp # */
- #define s_lh S_un.S_un_b.s_b3 /* logical host */
- #else NeXT
- u_long s_addr;
- #endif NeXT
- };
-
- /*
- * Definitions of bits in internet address integers.
- * On subnets, the decomposition of addresses to host and net parts
- * is done according to subnet mask, not the masks here.
- */
- #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
-
- #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
-
- #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) & 0xe0000000) == 0xe0000000)
- #define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000)
-
- #define INADDR_ANY (u_long)0x00000000
- #define INADDR_LOOPBACK (u_long)0x7f000001
- #define INADDR_BROADCAST (u_long)0xffffffff /* must be masked */
-
- #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 */
-
- #ifndef KERNEL
- #define INADDR_NONE 0xffffffff /* -1 return */
- #endif
-
- #define IN_LOOPBACKNET 127 /* official! */
-
- /*
- * Define a macro to stuff the loopback address into an Internet address
- */
- #define IN_SET_LOOPBACK_ADDR(a) {(a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \
- (a)->sin_family = AF_INET;}
-
- /*
- * Socket address, internet style.
- */
- struct sockaddr_in {
- short sin_family;
- u_short sin_port;
- struct in_addr sin_addr;
- char sin_zero[8];
- };
-
- /*
- * Options for use with [gs]etsockopt at the IP level.
- */
- #define IP_OPTIONS 1 /* set/get IP per-packet options */
- #define IP_TIMETOLIVE 2 /* set/get IP time-to-live value */
- #define IP_MULTICAST_IF 3 /* set/get IP multicast interface */
- #define IP_MULTICAST_TTL 4 /* set/get IP multicast timetolive */
- #define IP_MULTICAST_LOOP 5 /* set/get IP multicast loopback */
- #define IP_ADD_MEMBERSHIP 6 /* add an IP group membership */
- #define IP_DROP_MEMBERSHIP 7 /* drop an IP group membership */
-
- #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 */
- };
-
- #ifdef KERNEL
- extern struct domain inetdomain;
- extern struct protosw inetsw[];
- struct in_addr in_makeaddr();
- u_long in_netof(), in_lnaof();
- #endif
-
- #endif _IN_
-