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