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*/