1 /* 2 * Copyright 1989 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 #pragma ident "%Z%%M% %I% %E% SMI" 7 8 /* 9 * Copyright (c) 1982, 1985, 1986 Regents of the University of California. 10 * All rights reserved. The Berkeley software License Agreement 11 * specifies the terms and conditions for redistribution. 12 */ 13 14 #ifndef _sys_socket_h 15 #define _sys_socket_h 16 17 /* 18 * Definitions related to sockets: types, address families, options. 19 */ 20 21 /* 22 * Types 23 */ 24 #define SOCK_STREAM 1 /* stream socket */ 25 #define SOCK_DGRAM 2 /* datagram socket */ 26 #define SOCK_RAW 3 /* raw-protocol interface */ 27 #define SOCK_RDM 4 /* reliably-delivered message */ 28 #define SOCK_SEQPACKET 5 /* sequenced packet stream */ 29 30 /* 31 * Option flags per-socket. 32 */ 33 #define SO_DEBUG 0x0001 /* turn on debugging info recording */ 34 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 35 #define SO_REUSEADDR 0x0004 /* allow local address reuse */ 36 #define SO_KEEPALIVE 0x0008 /* keep connections alive */ 37 #define SO_DONTROUTE 0x0010 /* just use interface addresses */ 38 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ 39 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ 40 #define SO_LINGER 0x0080 /* linger on close if data present */ 41 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ 42 /* 43 * N.B.: The following definition is present only for compatibility 44 * with release 3.0. It will disappear in later releases. 45 */ 46 #define SO_DONTLINGER (~SO_LINGER) /* ~SO_LINGER */ 47 48 /* 49 * Additional options, not kept in so_options. 50 */ 51 #define SO_SNDBUF 0x1001 /* send buffer size */ 52 #define SO_RCVBUF 0x1002 /* receive buffer size */ 53 #define SO_SNDLOWAT 0x1003 /* send low-water mark */ 54 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ 55 #define SO_SNDTIMEO 0x1005 /* send timeout */ 56 #define SO_RCVTIMEO 0x1006 /* receive timeout */ 57 #define SO_ERROR 0x1007 /* get error status and clear */ 58 #define SO_TYPE 0x1008 /* get socket type */ 59 60 /* 61 * Structure used for manipulating linger option. 62 */ 63 struct linger { 64 int l_onoff; /* option on/off */ 65 int l_linger; /* linger time */ 66 }; 67 68 /* 69 * Level number for (get/set)sockopt() to apply to socket itself. 70 */ 71 #define SOL_SOCKET 0xffff /* options for socket level */ 72 73 /* 74 * Address families. 75 */ 76 #define AF_UNSPEC 0 /* unspecified */ 77 #define AF_UNIX 1 /* local to host (pipes, portals) */ 78 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ 79 #define AF_IMPLINK 3 /* arpanet imp addresses */ 80 #define AF_PUP 4 /* pup protocols: e.g. BSP */ 81 #define AF_CHAOS 5 /* mit CHAOS protocols */ 82 #define AF_NS 6 /* XEROX NS protocols */ 83 #define AF_NBS 7 /* nbs protocols */ 84 #define AF_ECMA 8 /* european computer manufacturers */ 85 #define AF_DATAKIT 9 /* datakit protocols */ 86 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ 87 #define AF_SNA 11 /* IBM SNA */ 88 #define AF_DECnet 12 /* DECnet */ 89 #define AF_DLI 13 /* Direct data link interface */ 90 #define AF_LAT 14 /* LAT */ 91 #define AF_HYLINK 15 /* NSC Hyperchannel */ 92 #define AF_APPLETALK 16 /* Apple Talk */ 93 94 #define AF_NIT 17 /* Network Interface Tap */ 95 #define AF_802 18 /* IEEE 802.2, also ISO 8802 */ 96 #define AF_OSI 19 /* umbrella for all families used 97 * by OSI (e.g. protosw lookup) */ 98 #define AF_X25 20 /* CCITT X.25 in particular */ 99 #define AF_OSINET 21 /* AFI = 47, IDI = 4 */ 100 #define AF_GOSIP 22 /* U.S. Government OSI */ 101 102 #define AF_MAX 21 103 104 /* 105 * Structure used by kernel to store most 106 * addresses. 107 */ 108 struct sockaddr { 109 u_short sa_family; /* address family */ 110 char sa_data[14]; /* up to 14 bytes of direct address */ 111 }; 112 113 /* 114 * Structure used by kernel to pass protocol 115 * information in raw sockets. 116 */ 117 struct sockproto { 118 u_short sp_family; /* address family */ 119 u_short sp_protocol; /* protocol */ 120 }; 121 122 /* 123 * Protocol families, same as address families for now. 124 */ 125 #define PF_UNSPEC AF_UNSPEC 126 #define PF_UNIX AF_UNIX 127 #define PF_INET AF_INET 128 #define PF_IMPLINK AF_IMPLINK 129 #define PF_PUP AF_PUP 130 #define PF_CHAOS AF_CHAOS 131 #define PF_NS AF_NS 132 #define PF_NBS AF_NBS 133 #define PF_ECMA AF_ECMA 134 #define PF_DATAKIT AF_DATAKIT 135 #define PF_CCITT AF_CCITT 136 #define PF_SNA AF_SNA 137 #define PF_DECnet AF_DECnet 138 #define PF_DLI AF_DLI 139 #define PF_LAT AF_LAT 140 #define PF_HYLINK AF_HYLINK 141 #define PF_APPLETALK AF_APPLETALK 142 #define PF_NIT AF_NIT 143 #define PF_802 AF_802 144 #define PF_OSI AF_OSI 145 #define PF_X25 AF_X25 146 #define PF_OSINET AF_OSINET 147 #define PF_GOSIP AF_GOSIP 148 149 #define PF_MAX AF_MAX 150 151 /* 152 * Maximum queue length specifiable by listen. 153 */ 154 #define SOMAXCONN 5 155 156 /* 157 * Message header for recvmsg and sendmsg calls. 158 */ 159 struct msghdr { 160 caddr_t msg_name; /* optional address */ 161 int msg_namelen; /* size of address */ 162 struct iovec *msg_iov; /* scatter/gather array */ 163 int msg_iovlen; /* # elements in msg_iov */ 164 caddr_t msg_accrights; /* access rights sent/received */ 165 int msg_accrightslen; 166 }; 167 168 #define MSG_OOB 0x1 /* process out-of-band data */ 169 #define MSG_PEEK 0x2 /* peek at incoming message */ 170 #define MSG_DONTROUTE 0x4 /* send without using routing tables */ 171 172 #define MSG_MAXIOVLEN 16 173 174 #endif /*!_sys_socket_h*/ 175