sysdeps/generic/socketbits.h

   1 /* System-specific socket constants and types.  Generic/4.3 BSD version.
   2 Copyright (C) 1991, 92, 94, 95, 96 Free Software Foundation, Inc.
   3 This file is part of the GNU C Library.
   4
   5 The GNU C Library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 License, or (at your option) any later version.
   9
  10 The GNU C Library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 #ifndef _SOCKETBITS_H
  21
  22 #define _SOCKETBITS_H   1
  23 #include <features.h>
  24
  25 __BEGIN_DECLS
  26
  27 #define __need_size_t
  28 #include <stddef.h>
  29
  30
  31 /* Types of sockets.  */
  32 enum __socket_type
  33 {
  34   SOCK_STREAM = 1,              /* Sequenced, reliable, connection-based
  35                                    byte streams.  */
  36   SOCK_DGRAM = 2,               /* Connectionless, unreliable datagrams
  37                                    of fixed maximum length.  */
  38   SOCK_RAW = 3,                 /* Raw protocol interface.  */
  39   SOCK_RDM = 4,                 /* Reliably-delivered messages.  */
  40   SOCK_SEQPACKET = 5,           /* Sequenced, reliable, connection-based,
  41                                    datagrams of fixed maximum length.  */
  42 };
  43
  44 /* Protocol families.  */
  45 #define PF_UNSPEC       0       /* Unspecified.  */
  46 #define PF_LOCAL        1       /* Local to host (pipes and file-domain).  */
  47 #define PF_UNIX         PF_LOCAL /* Old BSD name for PF_LOCAL.  */
  48 #define PF_INET         2       /* IP protocol family.  */
  49 #define PF_IMPLINK      3       /* ARPAnet IMP protocol.  */
  50 #define PF_PUP          4       /* PUP protocols.  */
  51 #define PF_CHAOS        5       /* MIT Chaos protocols.  */
  52 #define PF_NS           6       /* Xerox NS protocols.  */
  53 #define PF_ISO          7       /* ISO protocols.  */
  54 #define PF_OSI          PF_ISO
  55 #define PF_ECMA         8       /* ECMA protocols.  */
  56 #define PF_DATAKIT      9       /* AT&T Datakit protocols.  */
  57 #define PF_CCITT        10      /* CCITT protocols (X.25 et al).  */
  58 #define PF_SNA          11      /* IBM SNA protocol.  */
  59 #define PF_DECnet       12      /* DECnet protocols.  */
  60 #define PF_DLI          13      /* Direct data link interface.  */
  61 #define PF_LAT          14      /* DEC Local Area Transport protocol.  */
  62 #define PF_HYLINK       15      /* NSC Hyperchannel protocol.  */
  63 #define PF_APPLETALK    16      /* Don't use this.  */
  64 #define PF_ROUTE        17      /* Internal Routing Protocol.  */
  65 #define PF_LINK         18      /* Link layer interface.  */
  66 #define PF_XTP          19      /* eXpress Transfer Protocol (no AF).  */
  67 #define PF_COIP         20      /* Connection-oriented IP, aka ST II.  */
  68 #define PF_CNT          21      /* Computer Network Technology.  */
  69 #define PF_RTIP         22      /* Help Identify RTIP packets.  **/
  70 #define PF_IPX          23      /* Novell Internet Protocol.  */
  71 #define PF_SIP          24      /* Simple Internet Protocol.  */
  72 #define PF_PIP          25      /* Help Identify PIP packets.  */
  73 #define PF_INET6        26      /* IP version 6.  */
  74 #define PF_MAX          27
  75
  76 /* Address families.  */
  77 #define AF_UNSPEC       PF_UNSPEC
  78 #define AF_LOCAL        PF_LOCAL
  79 #define AF_UNIX         PF_UNIX
  80 #define AF_INET         PF_INET
  81 #define AF_IMPLINK      PF_IMPLINK
  82 #define AF_PUP          PF_PUP
  83 #define AF_CHAOS        PF_CHAOS
  84 #define AF_NS           PF_NS
  85 #define AF_ISO          PF_ISO
  86 #define AF_OSI          PF_OSI
  87 #define AF_ECMA         PF_ECMA
  88 #define AF_DATAKIT      PF_DATAKIT
  89 #define AF_CCITT        PF_CCITT
  90 #define AF_SNA          PF_SNA
  91 #define AF_DECnet       PF_DECnet
  92 #define AF_DLI          PF_DLI
  93 #define AF_LAT          PF_LAT
  94 #define AF_HYLINK       PF_HYLINK
  95 #define AF_APPLETALK    PF_APPLETALK
  96 #define AF_ROUTE        PF_ROUTE
  97 #define AF_LINK         PF_LINK
  98 #define pseudo_AF_XTP   PF_XTP
  99 #define AF_COIP         PF_COIP
 100 #define AF_CNT          PF_CNT
 101 #define pseudo_AF_RTIP  PF_RTIP
 102 #define AF_IPX          PF_IPX
 103 #define AF_SIP          PF_SIP
 104 #define pseudo_AF_PIP   PF_PIP
 105 #define AF_INET6        PF_INET6
 106 #define AF_MAX          PF_MAX
 107
 108
 109 /* Get the definition of the macro to define the common sockaddr members.  */
 110 #include <sockaddrcom.h>
 111
 112 /* Structure describing a generic socket address.  */
 113 struct sockaddr
 114   {
 115     __SOCKADDR_COMMON (sa_);    /* Common data: address family and length.  */
 116     char sa_data[14];           /* Address data.  */
 117   };
 118
 119
 120 /* Bits in the FLAGS argument to `send', `recv', et al.  */
 121 enum
 122   {
 123     MSG_OOB             = 0x01, /* Process out-of-band data.  */
 124     MSG_PEEK            = 0x02, /* Peek at incoming messages.  */
 125     MSG_DONTROUTE       = 0x04, /* Don't use local routing.  */
 126     MSG_EOR             = 0x08, /* Data completes record.  */
 127     MSG_TRUNC           = 0x10, /* Data discarded before delivery.  */
 128     MSG_CTRUNC          = 0x20, /* Control data lost before delivery.  */
 129     MSG_WAITALL         = 0x40, /* Wait for full request or error.  */
 130     MSG_DONTWAIT        = 0x80, /* This message should be nonblocking.  */
 131   };
 132
 133
 134 /* Structure describing messages sent by
 135    `sendmsg' and received by `recvmsg'.  */
 136 struct msghdr
 137   {
 138     __ptr_t msg_name;           /* Address to send to/receive from.  */
 139     size_t msg_namelen;         /* Length of address data.  */
 140
 141     struct iovec *msg_iov;      /* Vector of data to send/receive into.  */
 142     size_t msg_iovlen;          /* Number of elements in the vector.  */
 143
 144     __ptr_t msg_accrights;      /* Access rights information.  */
 145     size_t msg_accrightslen;    /* Length of access rights information.  */
 146   };
 147
 148
 149 /* Protocol number used to manipulate socket-level options
 150    with `getsockopt' and `setsockopt'.  */
 151 #define SOL_SOCKET      0xffff
 152
 153 /* Socket-level options for `getsockopt' and `setsockopt'.  */
 154 enum
 155   {
 156     SO_DEBUG = 0x0001,          /* Record debugging information.  */
 157     SO_ACCEPTCONN = 0x0002,     /* Accept connections on socket.  */
 158     SO_REUSEADDR = 0x0004,      /* Allow reuse of local addresses.  */
 159     SO_KEEPALIVE = 0x0008,      /* Keep connections alive and send
 160                                    SIGPIPE when they die.  */
 161     SO_DONTROUTE = 0x0010,      /* Don't do local routing.  */
 162     SO_BROADCAST = 0x0020,      /* Allow transmission of
 163                                    broadcast messages.  */
 164     SO_USELOOPBACK = 0x0040,    /* Use the software loopback to avoid
 165                                    hardware use when possible.  */
 166     SO_LINGER = 0x0080,         /* Block on close of a reliable
 167                                    socket to transmit pending data.  */
 168     SO_OOBINLINE = 0x0100,      /* Receive out-of-band data in-band.  */
 169
 170     SO_REUSEPORT = 0x0200,      /* Allow local address and port reuse.  */
 171
 172     SO_SNDBUF = 0x1001,         /* Send buffer size.  */
 173     SO_RCVBUF = 0x1002,         /* Receive buffer.  */
 174     SO_SNDLOWAT = 0x1003,       /* Send low-water mark.  */
 175     SO_RCVLOWAT = 0x1004,       /* Receive low-water mark.  */
 176     SO_SNDTIMEO = 0x1005,       /* Send timeout.  */
 177     SO_RCVTIMEO = 0x1006,       /* Receive timeout.  */
 178
 179     SO_ERROR = 0x1007,          /* Get and clear error status.  */
 180     SO_STYLE = 0x1008,          /* Get socket connection style.  */
 181     SO_TYPE = SO_STYLE,         /* Compatible name for SO_STYLE.  */
 182   };
 183
 184 /* Structure used to manipulate the SO_LINGER option.  */
 185 struct linger
 186   {
 187     int l_onoff;                /* Nonzero to linger on close.  */
 188     int l_linger;               /* Time to linger.  */
 189   };
 190
 191 __END_DECLS
 192
 193 #endif /* socketbits.h */