usr/src/lib/libbc/inc/include/netinet/in.h

   1 /*
   2  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   3  * Use is subject to license terms.
   4  *
   5  * Copyright (c) 1982, 1986 Regents of the University of California.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms are permitted
   9  * provided that this notice is preserved and that due credit is given
  10  * to the University of California at Berkeley. The name of the University
  11  * may not be used to endorse or promote products derived from this
  12  * software without specific prior written permission. This software
  13  * is provided ``as is'' without express or implied warranty.
  14  */
  15
  16 /*
  17  * Constants and structures defined by the internet system,
  18  * Per RFC 790, September 1981.
  19  */
  20
  21 #ifndef _netinet_in_h
  22 #define _netinet_in_h
  23
  24 #pragma ident   "%Z%%M% %I%     %E% SMI"
  25
  26 /*
  27  * Protocols
  28  */
  29 #define IPPROTO_IP              0               /* dummy for IP */
  30 #define IPPROTO_ICMP            1               /* control message protocol */
  31 #define IPPROTO_IGMP            2               /* group control protocol */
  32 #define IPPROTO_GGP             3               /* gateway^2 (deprecated) */
  33 #define IPPROTO_TCP             6               /* tcp */
  34 #define IPPROTO_EGP             8               /* exterior gateway protocol */
  35 #define IPPROTO_PUP             12              /* pup */
  36 #define IPPROTO_UDP             17              /* user datagram protocol */
  37 #define IPPROTO_IDP             22              /* xns idp */
  38 #define IPPROTO_HELLO           63              /* "hello" routing protocol */
  39 #define IPPROTO_ND              77              /* UNOFFICIAL net disk proto */
  40
  41 #define IPPROTO_RAW             255             /* raw IP packet */
  42 #define IPPROTO_MAX             256
  43
  44 /*
  45  * Port/socket numbers: network standard functions
  46  */
  47 #define IPPORT_ECHO             7
  48 #define IPPORT_DISCARD          9
  49 #define IPPORT_SYSTAT           11
  50 #define IPPORT_DAYTIME          13
  51 #define IPPORT_NETSTAT          15
  52 #define IPPORT_FTP              21
  53 #define IPPORT_TELNET           23
  54 #define IPPORT_SMTP             25
  55 #define IPPORT_TIMESERVER       37
  56 #define IPPORT_NAMESERVER       42
  57 #define IPPORT_WHOIS            43
  58 #define IPPORT_MTP              57
  59
  60 /*
  61  * Port/socket numbers: host specific functions
  62  */
  63 #define IPPORT_TFTP             69
  64 #define IPPORT_RJE              77
  65 #define IPPORT_FINGER           79
  66 #define IPPORT_TTYLINK          87
  67 #define IPPORT_SUPDUP           95
  68
  69 /*
  70  * UNIX TCP sockets
  71  */
  72 #define IPPORT_EXECSERVER       512
  73 #define IPPORT_LOGINSERVER      513
  74 #define IPPORT_CMDSERVER        514
  75 #define IPPORT_EFSSERVER        520
  76
  77 /*
  78  * UNIX UDP sockets
  79  */
  80 #define IPPORT_BIFFUDP          512
  81 #define IPPORT_WHOSERVER        513
  82 #define IPPORT_ROUTESERVER      520     /* 520+1 also used */
  83
  84 /*
  85  * Ports < IPPORT_RESERVED are reserved for
  86  * privileged processes (e.g. root).
  87  * Ports > IPPORT_USERRESERVED are reserved
  88  * for servers, not necessarily privileged.
  89  */
  90 #define IPPORT_RESERVED         1024
  91 #define IPPORT_USERRESERVED     5000
  92
  93 /*
  94  * Link numbers
  95  */
  96 #define IMPLINK_IP              155
  97 #define IMPLINK_LOWEXPER        156
  98 #define IMPLINK_HIGHEXPER       158
  99
 100 /*
 101  * Internet address
 102  *      This definition contains obsolete fields for compatibility
 103  *      with SunOS 3.x and 4.2bsd.  The presence of subnets renders
 104  *      divisions into fixed fields misleading at best.  New code
 105  *      should use only the s_addr field.
 106  */
 107 struct in_addr {
 108         union {
 109                 struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
 110                 struct { u_short s_w1,s_w2; } S_un_w;
 111                 u_long S_addr;
 112         } S_un;
 113 #define s_addr  S_un.S_addr             /* should be used for all code */
 114 #define s_host  S_un.S_un_b.s_b2        /* OBSOLETE: host on imp */
 115 #define s_net   S_un.S_un_b.s_b1        /* OBSOLETE: network */
 116 #define s_imp   S_un.S_un_w.s_w2        /* OBSOLETE: imp */
 117 #define s_impno S_un.S_un_b.s_b4        /* OBSOLETE: imp # */
 118 #define s_lh    S_un.S_un_b.s_b3        /* OBSOLETE: logical host */
 119 };
 120
 121 /*
 122  * Definitions of bits in internet address integers.
 123  * On subnets, the decomposition of addresses to host and net parts
 124  * is done according to subnet mask, not the masks here.
 125  *
 126  * Note that with the introduction of CIDR, IN_CLASSA, IN_CLASSB,
 127  * IN_CLASSC, IN_CLASSD and IN_CLASSE macros have become "de-facto obsolete".
 128  * IN_MULTICAST macro should be used to test if a address is a
 129  * multicast address.
 130  */
 131 #define IN_CLASSA(i)            (((long)(i) & 0x80000000) == 0)
 132 #define IN_CLASSA_NET           0xff000000
 133 #define IN_CLASSA_NSHIFT        24
 134 #define IN_CLASSA_HOST          0x00ffffff
 135 #define IN_CLASSA_MAX           128
 136
 137 #define IN_CLASSB(i)            (((long)(i) & 0xc0000000) == 0x80000000)
 138 #define IN_CLASSB_NET           0xffff0000
 139 #define IN_CLASSB_NSHIFT        16
 140 #define IN_CLASSB_HOST          0x0000ffff
 141 #define IN_CLASSB_MAX           65536
 142
 143 #define IN_CLASSC(i)            (((long)(i) & 0xe0000000) == 0xc0000000)
 144 #define IN_CLASSC_NET           0xffffff00
 145 #define IN_CLASSC_NSHIFT        8
 146 #define IN_CLASSC_HOST          0x000000ff
 147
 148 #define IN_CLASSD(i)            (((long)(i) & 0xf0000000) == 0xe0000000)
 149 #define IN_MULTICAST(i)         IN_CLASSD(i)
 150
 151 #define IN_CLASSE(i)            (((long)(i) & 0xf0000000) == 0xf0000000)
 152
 153 #define IN_CLASSE_NET           0xffffffff
 154
 155 /*
 156  * We have removed CLASS E checks from the kernel
 157  * But we preserve these defines for userland  in order
 158  * to avoid compile  breakage of some 3rd party piece of software
 159  */
 160 #ifndef KERNEL
 161 #define IN_EXPERIMENTAL(i)      (((long)(i) & 0xe0000000) == 0xe0000000)
 162 #define IN_BADCLASS(i)          (((long)(i) & 0xf0000000) == 0xf0000000)
 163 #endif
 164
 165 #define INADDR_ANY              (u_long)0x00000000
 166 #define INADDR_LOOPBACK         (u_long)0x7F000001
 167 #define INADDR_BROADCAST        (u_long)0xffffffff      /* must be masked */
 168
 169 #define IN_LOOPBACKNET          127                     /* official! */
 170
 171 /*
 172  * Define a macro to stuff the loopback address into an Internet address
 173  */
 174 #define IN_SET_LOOPBACK_ADDR(a) {(a)->sin_addr.s_addr  = htonl(INADDR_LOOPBACK); \
 175         (a)->sin_family = AF_INET;}
 176
 177 /*
 178  * Socket address, internet style.
 179  */
 180 struct sockaddr_in {
 181         short   sin_family;
 182         u_short sin_port;
 183         struct  in_addr sin_addr;
 184         char    sin_zero[8];
 185 };
 186
 187 /*
 188  * Options for use with [gs]etsockopt at the IP level.
 189  */
 190 #define IP_OPTIONS      1               /* set/get IP per-packet options */
 191
 192 #if !defined(vax) && !defined(ntohl) && !defined(lint) && !defined(i386)
 193 /*
 194  * Macros for number representation conversion.
 195  */
 196 #define ntohl(x)        (x)
 197 #define ntohs(x)        (x)
 198 #define htonl(x)        (x)
 199 #define htons(x)        (x)
 200 #endif
 201
 202 #if !defined(ntohl) && (defined(vax) || defined(lint) || defined(i386))
 203 u_short ntohs(), htons();
 204 u_long  ntohl(), htonl();
 205 #endif
 206
 207 #ifdef KERNEL
 208 extern  struct domain inetdomain;
 209 extern  struct protosw inetsw[];
 210 struct  in_addr in_makeaddr();
 211 u_long  in_netof(), in_lnaof();
 212 #endif
 213
 214 #endif /* !_netinet_in_h */