Deleted Added
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socket.h (260804) socket.h (262489)
1/*-
2 * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)socket.h 8.4 (Berkeley) 2/21/94
1/*-
2 * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)socket.h 8.4 (Berkeley) 2/21/94
30 * $FreeBSD: head/sys/sys/socket.h 260804 2014-01-17 05:13:08Z adrian $
30 * $FreeBSD: head/sys/sys/socket.h 262489 2014-02-25 18:44:33Z jhb $
31 */
32
33#ifndef _SYS_SOCKET_H_
34#define _SYS_SOCKET_H_
35
36#include <sys/cdefs.h>
37#include <sys/_types.h>
38#include <sys/_iovec.h>
39#include <machine/_align.h>
40
41/*
42 * Definitions related to sockets: types, address families, options.
43 */
44
45/*
46 * Data types.
47 */
48#if __BSD_VISIBLE
49#ifndef _GID_T_DECLARED
50typedef __gid_t gid_t;
51#define _GID_T_DECLARED
52#endif
53
54#ifndef _OFF_T_DECLARED
55typedef __off_t off_t;
56#define _OFF_T_DECLARED
57#endif
58
59#ifndef _PID_T_DECLARED
60typedef __pid_t pid_t;
61#define _PID_T_DECLARED
62#endif
63#endif
64
65#ifndef _SA_FAMILY_T_DECLARED
66typedef __sa_family_t sa_family_t;
67#define _SA_FAMILY_T_DECLARED
68#endif
69
70#ifndef _SOCKLEN_T_DECLARED
71typedef __socklen_t socklen_t;
72#define _SOCKLEN_T_DECLARED
73#endif
74
75#ifndef _SSIZE_T_DECLARED
76typedef __ssize_t ssize_t;
77#define _SSIZE_T_DECLARED
78#endif
79
80#if __BSD_VISIBLE
81#ifndef _UID_T_DECLARED
82typedef __uid_t uid_t;
83#define _UID_T_DECLARED
84#endif
85#endif
86
87#ifndef _UINT32_T_DECLARED
88typedef __uint32_t uint32_t;
89#define _UINT32_T_DECLARED
90#endif
91
92#ifndef _UINTPTR_T_DECLARED
93typedef __uintptr_t uintptr_t;
94#define _UINTPTR_T_DECLARED
95#endif
96
97/*
98 * Types
99 */
100#define SOCK_STREAM 1 /* stream socket */
101#define SOCK_DGRAM 2 /* datagram socket */
102#define SOCK_RAW 3 /* raw-protocol interface */
103#if __BSD_VISIBLE
104#define SOCK_RDM 4 /* reliably-delivered message */
105#endif
106#define SOCK_SEQPACKET 5 /* sequenced packet stream */
107
108#if __BSD_VISIBLE
109/*
110 * Creation flags, OR'ed into socket() and socketpair() type argument.
111 */
112#define SOCK_CLOEXEC 0x10000000
113#define SOCK_NONBLOCK 0x20000000
114#endif
115
116/*
117 * Option flags per-socket.
118 */
119#define SO_DEBUG 0x0001 /* turn on debugging info recording */
120#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
121#define SO_REUSEADDR 0x0004 /* allow local address reuse */
122#define SO_KEEPALIVE 0x0008 /* keep connections alive */
123#define SO_DONTROUTE 0x0010 /* just use interface addresses */
124#define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
125#if __BSD_VISIBLE
126#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
127#endif
128#define SO_LINGER 0x0080 /* linger on close if data present */
129#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
130#if __BSD_VISIBLE
131#define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
132#define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */
133#define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */
134#define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */
135#define SO_BINTIME 0x2000 /* timestamp received dgram traffic */
136#endif
137#define SO_NO_OFFLOAD 0x4000 /* socket cannot be offloaded */
138#define SO_NO_DDP 0x8000 /* disable direct data placement */
139
140/*
141 * Additional options, not kept in so_options.
142 */
143#define SO_SNDBUF 0x1001 /* send buffer size */
144#define SO_RCVBUF 0x1002 /* receive buffer size */
145#define SO_SNDLOWAT 0x1003 /* send low-water mark */
146#define SO_RCVLOWAT 0x1004 /* receive low-water mark */
147#define SO_SNDTIMEO 0x1005 /* send timeout */
148#define SO_RCVTIMEO 0x1006 /* receive timeout */
149#define SO_ERROR 0x1007 /* get error status and clear */
150#define SO_TYPE 0x1008 /* get socket type */
151#if __BSD_VISIBLE
152#define SO_LABEL 0x1009 /* socket's MAC label */
153#define SO_PEERLABEL 0x1010 /* socket's peer's MAC label */
154#define SO_LISTENQLIMIT 0x1011 /* socket's backlog limit */
155#define SO_LISTENQLEN 0x1012 /* socket's complete queue length */
156#define SO_LISTENINCQLEN 0x1013 /* socket's incomplete queue length */
157#define SO_SETFIB 0x1014 /* use this FIB to route */
158#define SO_USER_COOKIE 0x1015 /* user cookie (dummynet etc.) */
159#define SO_PROTOCOL 0x1016 /* get socket protocol (Linux name) */
160#define SO_PROTOTYPE SO_PROTOCOL /* alias for SO_PROTOCOL (SunOS name) */
161#endif
162
163/*
164 * Space reserved for new socket options added by third-party vendors.
165 * This range applies to all socket option levels. New socket options
166 * in FreeBSD should always use an option value less than SO_VENDOR.
167 */
168#if __BSD_VISIBLE
169#define SO_VENDOR 0x80000000
170#endif
171
172/*
173 * Structure used for manipulating linger option.
174 */
175struct linger {
176 int l_onoff; /* option on/off */
177 int l_linger; /* linger time */
178};
179
180#if __BSD_VISIBLE
181struct accept_filter_arg {
182 char af_name[16];
183 char af_arg[256-16];
184};
185#endif
186
187/*
188 * Level number for (get/set)sockopt() to apply to socket itself.
189 */
190#define SOL_SOCKET 0xffff /* options for socket level */
191
192/*
193 * Address families.
194 */
195#define AF_UNSPEC 0 /* unspecified */
196#if __BSD_VISIBLE
197#define AF_LOCAL AF_UNIX /* local to host (pipes, portals) */
198#endif
199#define AF_UNIX 1 /* standardized name for AF_LOCAL */
200#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
201#if __BSD_VISIBLE
202#define AF_IMPLINK 3 /* arpanet imp addresses */
203#define AF_PUP 4 /* pup protocols: e.g. BSP */
204#define AF_CHAOS 5 /* mit CHAOS protocols */
205#define AF_NETBIOS 6 /* SMB protocols */
206#define AF_ISO 7 /* ISO protocols */
207#define AF_OSI AF_ISO
208#define AF_ECMA 8 /* European computer manufacturers */
209#define AF_DATAKIT 9 /* datakit protocols */
210#define AF_CCITT 10 /* CCITT protocols, X.25 etc */
211#define AF_SNA 11 /* IBM SNA */
212#define AF_DECnet 12 /* DECnet */
213#define AF_DLI 13 /* DEC Direct data link interface */
214#define AF_LAT 14 /* LAT */
215#define AF_HYLINK 15 /* NSC Hyperchannel */
216#define AF_APPLETALK 16 /* Apple Talk */
217#define AF_ROUTE 17 /* Internal Routing Protocol */
218#define AF_LINK 18 /* Link layer interface */
219#define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
220#define AF_COIP 20 /* connection-oriented IP, aka ST II */
221#define AF_CNT 21 /* Computer Network Technology */
222#define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
223#define AF_IPX 23 /* Novell Internet Protocol */
224#define AF_SIP 24 /* Simple Internet Protocol */
225#define pseudo_AF_PIP 25 /* Help Identify PIP packets */
226#define AF_ISDN 26 /* Integrated Services Digital Network*/
227#define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
228#define pseudo_AF_KEY 27 /* Internal key-management function */
229#endif
230#define AF_INET6 28 /* IPv6 */
231#if __BSD_VISIBLE
232#define AF_NATM 29 /* native ATM access */
233#define AF_ATM 30 /* ATM */
234#define pseudo_AF_HDRCMPLT 31 /* Used by BPF to not rewrite headers
235 * in interface output routine
236 */
237#define AF_NETGRAPH 32 /* Netgraph sockets */
238#define AF_SLOW 33 /* 802.3ad slow protocol */
239#define AF_SCLUSTER 34 /* Sitara cluster protocol */
240#define AF_ARP 35
241#define AF_BLUETOOTH 36 /* Bluetooth sockets */
242#define AF_IEEE80211 37 /* IEEE 802.11 protocol */
243#define AF_INET_SDP 40 /* OFED Socket Direct Protocol ipv4 */
244#define AF_INET6_SDP 42 /* OFED Socket Direct Protocol ipv6 */
245#define AF_MAX 42
246/*
247 * When allocating a new AF_ constant, please only allocate
248 * even numbered constants for FreeBSD until 134 as odd numbered AF_
249 * constants 39-133 are now reserved for vendors.
250 */
251#define AF_VENDOR00 39
252#define AF_VENDOR01 41
253#define AF_VENDOR02 43
254#define AF_VENDOR03 45
255#define AF_VENDOR04 47
256#define AF_VENDOR05 49
257#define AF_VENDOR06 51
258#define AF_VENDOR07 53
259#define AF_VENDOR08 55
260#define AF_VENDOR09 57
261#define AF_VENDOR10 59
262#define AF_VENDOR11 61
263#define AF_VENDOR12 63
264#define AF_VENDOR13 65
265#define AF_VENDOR14 67
266#define AF_VENDOR15 69
267#define AF_VENDOR16 71
268#define AF_VENDOR17 73
269#define AF_VENDOR18 75
270#define AF_VENDOR19 77
271#define AF_VENDOR20 79
272#define AF_VENDOR21 81
273#define AF_VENDOR22 83
274#define AF_VENDOR23 85
275#define AF_VENDOR24 87
276#define AF_VENDOR25 89
277#define AF_VENDOR26 91
278#define AF_VENDOR27 93
279#define AF_VENDOR28 95
280#define AF_VENDOR29 97
281#define AF_VENDOR30 99
282#define AF_VENDOR31 101
283#define AF_VENDOR32 103
284#define AF_VENDOR33 105
285#define AF_VENDOR34 107
286#define AF_VENDOR35 109
287#define AF_VENDOR36 111
288#define AF_VENDOR37 113
289#define AF_VENDOR38 115
290#define AF_VENDOR39 117
291#define AF_VENDOR40 119
292#define AF_VENDOR41 121
293#define AF_VENDOR42 123
294#define AF_VENDOR43 125
295#define AF_VENDOR44 127
296#define AF_VENDOR45 129
297#define AF_VENDOR46 131
298#define AF_VENDOR47 133
299#endif
300
301/*
302 * Structure used by kernel to store most
303 * addresses.
304 */
305struct sockaddr {
306 unsigned char sa_len; /* total length */
307 sa_family_t sa_family; /* address family */
308 char sa_data[14]; /* actually longer; address value */
309};
310#if __BSD_VISIBLE
311#define SOCK_MAXADDRLEN 255 /* longest possible addresses */
312
313/*
314 * Structure used by kernel to pass protocol
315 * information in raw sockets.
316 */
317struct sockproto {
318 unsigned short sp_family; /* address family */
319 unsigned short sp_protocol; /* protocol */
320};
321#endif
322
323#include <sys/_sockaddr_storage.h>
324
325#if __BSD_VISIBLE
326/*
327 * Protocol families, same as address families for now.
328 */
329#define PF_UNSPEC AF_UNSPEC
330#define PF_LOCAL AF_LOCAL
331#define PF_UNIX PF_LOCAL /* backward compatibility */
332#define PF_INET AF_INET
333#define PF_IMPLINK AF_IMPLINK
334#define PF_PUP AF_PUP
335#define PF_CHAOS AF_CHAOS
336#define PF_NETBIOS AF_NETBIOS
337#define PF_ISO AF_ISO
338#define PF_OSI AF_ISO
339#define PF_ECMA AF_ECMA
340#define PF_DATAKIT AF_DATAKIT
341#define PF_CCITT AF_CCITT
342#define PF_SNA AF_SNA
343#define PF_DECnet AF_DECnet
344#define PF_DLI AF_DLI
345#define PF_LAT AF_LAT
346#define PF_HYLINK AF_HYLINK
347#define PF_APPLETALK AF_APPLETALK
348#define PF_ROUTE AF_ROUTE
349#define PF_LINK AF_LINK
350#define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
351#define PF_COIP AF_COIP
352#define PF_CNT AF_CNT
353#define PF_SIP AF_SIP
354#define PF_IPX AF_IPX
355#define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */
356#define PF_PIP pseudo_AF_PIP
357#define PF_ISDN AF_ISDN
358#define PF_KEY pseudo_AF_KEY
359#define PF_INET6 AF_INET6
360#define PF_NATM AF_NATM
361#define PF_ATM AF_ATM
362#define PF_NETGRAPH AF_NETGRAPH
363#define PF_SLOW AF_SLOW
364#define PF_SCLUSTER AF_SCLUSTER
365#define PF_ARP AF_ARP
366#define PF_BLUETOOTH AF_BLUETOOTH
367#define PF_IEEE80211 AF_IEEE80211
368#define PF_INET_SDP AF_INET_SDP
369#define PF_INET6_SDP AF_INET6_SDP
370
371#define PF_MAX AF_MAX
372
373/*
374 * Definitions for network related sysctl, CTL_NET.
375 *
376 * Second level is protocol family.
377 * Third level is protocol number.
378 *
31 */
32
33#ifndef _SYS_SOCKET_H_
34#define _SYS_SOCKET_H_
35
36#include <sys/cdefs.h>
37#include <sys/_types.h>
38#include <sys/_iovec.h>
39#include <machine/_align.h>
40
41/*
42 * Definitions related to sockets: types, address families, options.
43 */
44
45/*
46 * Data types.
47 */
48#if __BSD_VISIBLE
49#ifndef _GID_T_DECLARED
50typedef __gid_t gid_t;
51#define _GID_T_DECLARED
52#endif
53
54#ifndef _OFF_T_DECLARED
55typedef __off_t off_t;
56#define _OFF_T_DECLARED
57#endif
58
59#ifndef _PID_T_DECLARED
60typedef __pid_t pid_t;
61#define _PID_T_DECLARED
62#endif
63#endif
64
65#ifndef _SA_FAMILY_T_DECLARED
66typedef __sa_family_t sa_family_t;
67#define _SA_FAMILY_T_DECLARED
68#endif
69
70#ifndef _SOCKLEN_T_DECLARED
71typedef __socklen_t socklen_t;
72#define _SOCKLEN_T_DECLARED
73#endif
74
75#ifndef _SSIZE_T_DECLARED
76typedef __ssize_t ssize_t;
77#define _SSIZE_T_DECLARED
78#endif
79
80#if __BSD_VISIBLE
81#ifndef _UID_T_DECLARED
82typedef __uid_t uid_t;
83#define _UID_T_DECLARED
84#endif
85#endif
86
87#ifndef _UINT32_T_DECLARED
88typedef __uint32_t uint32_t;
89#define _UINT32_T_DECLARED
90#endif
91
92#ifndef _UINTPTR_T_DECLARED
93typedef __uintptr_t uintptr_t;
94#define _UINTPTR_T_DECLARED
95#endif
96
97/*
98 * Types
99 */
100#define SOCK_STREAM 1 /* stream socket */
101#define SOCK_DGRAM 2 /* datagram socket */
102#define SOCK_RAW 3 /* raw-protocol interface */
103#if __BSD_VISIBLE
104#define SOCK_RDM 4 /* reliably-delivered message */
105#endif
106#define SOCK_SEQPACKET 5 /* sequenced packet stream */
107
108#if __BSD_VISIBLE
109/*
110 * Creation flags, OR'ed into socket() and socketpair() type argument.
111 */
112#define SOCK_CLOEXEC 0x10000000
113#define SOCK_NONBLOCK 0x20000000
114#endif
115
116/*
117 * Option flags per-socket.
118 */
119#define SO_DEBUG 0x0001 /* turn on debugging info recording */
120#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
121#define SO_REUSEADDR 0x0004 /* allow local address reuse */
122#define SO_KEEPALIVE 0x0008 /* keep connections alive */
123#define SO_DONTROUTE 0x0010 /* just use interface addresses */
124#define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
125#if __BSD_VISIBLE
126#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
127#endif
128#define SO_LINGER 0x0080 /* linger on close if data present */
129#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
130#if __BSD_VISIBLE
131#define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
132#define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */
133#define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */
134#define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */
135#define SO_BINTIME 0x2000 /* timestamp received dgram traffic */
136#endif
137#define SO_NO_OFFLOAD 0x4000 /* socket cannot be offloaded */
138#define SO_NO_DDP 0x8000 /* disable direct data placement */
139
140/*
141 * Additional options, not kept in so_options.
142 */
143#define SO_SNDBUF 0x1001 /* send buffer size */
144#define SO_RCVBUF 0x1002 /* receive buffer size */
145#define SO_SNDLOWAT 0x1003 /* send low-water mark */
146#define SO_RCVLOWAT 0x1004 /* receive low-water mark */
147#define SO_SNDTIMEO 0x1005 /* send timeout */
148#define SO_RCVTIMEO 0x1006 /* receive timeout */
149#define SO_ERROR 0x1007 /* get error status and clear */
150#define SO_TYPE 0x1008 /* get socket type */
151#if __BSD_VISIBLE
152#define SO_LABEL 0x1009 /* socket's MAC label */
153#define SO_PEERLABEL 0x1010 /* socket's peer's MAC label */
154#define SO_LISTENQLIMIT 0x1011 /* socket's backlog limit */
155#define SO_LISTENQLEN 0x1012 /* socket's complete queue length */
156#define SO_LISTENINCQLEN 0x1013 /* socket's incomplete queue length */
157#define SO_SETFIB 0x1014 /* use this FIB to route */
158#define SO_USER_COOKIE 0x1015 /* user cookie (dummynet etc.) */
159#define SO_PROTOCOL 0x1016 /* get socket protocol (Linux name) */
160#define SO_PROTOTYPE SO_PROTOCOL /* alias for SO_PROTOCOL (SunOS name) */
161#endif
162
163/*
164 * Space reserved for new socket options added by third-party vendors.
165 * This range applies to all socket option levels. New socket options
166 * in FreeBSD should always use an option value less than SO_VENDOR.
167 */
168#if __BSD_VISIBLE
169#define SO_VENDOR 0x80000000
170#endif
171
172/*
173 * Structure used for manipulating linger option.
174 */
175struct linger {
176 int l_onoff; /* option on/off */
177 int l_linger; /* linger time */
178};
179
180#if __BSD_VISIBLE
181struct accept_filter_arg {
182 char af_name[16];
183 char af_arg[256-16];
184};
185#endif
186
187/*
188 * Level number for (get/set)sockopt() to apply to socket itself.
189 */
190#define SOL_SOCKET 0xffff /* options for socket level */
191
192/*
193 * Address families.
194 */
195#define AF_UNSPEC 0 /* unspecified */
196#if __BSD_VISIBLE
197#define AF_LOCAL AF_UNIX /* local to host (pipes, portals) */
198#endif
199#define AF_UNIX 1 /* standardized name for AF_LOCAL */
200#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
201#if __BSD_VISIBLE
202#define AF_IMPLINK 3 /* arpanet imp addresses */
203#define AF_PUP 4 /* pup protocols: e.g. BSP */
204#define AF_CHAOS 5 /* mit CHAOS protocols */
205#define AF_NETBIOS 6 /* SMB protocols */
206#define AF_ISO 7 /* ISO protocols */
207#define AF_OSI AF_ISO
208#define AF_ECMA 8 /* European computer manufacturers */
209#define AF_DATAKIT 9 /* datakit protocols */
210#define AF_CCITT 10 /* CCITT protocols, X.25 etc */
211#define AF_SNA 11 /* IBM SNA */
212#define AF_DECnet 12 /* DECnet */
213#define AF_DLI 13 /* DEC Direct data link interface */
214#define AF_LAT 14 /* LAT */
215#define AF_HYLINK 15 /* NSC Hyperchannel */
216#define AF_APPLETALK 16 /* Apple Talk */
217#define AF_ROUTE 17 /* Internal Routing Protocol */
218#define AF_LINK 18 /* Link layer interface */
219#define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
220#define AF_COIP 20 /* connection-oriented IP, aka ST II */
221#define AF_CNT 21 /* Computer Network Technology */
222#define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
223#define AF_IPX 23 /* Novell Internet Protocol */
224#define AF_SIP 24 /* Simple Internet Protocol */
225#define pseudo_AF_PIP 25 /* Help Identify PIP packets */
226#define AF_ISDN 26 /* Integrated Services Digital Network*/
227#define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
228#define pseudo_AF_KEY 27 /* Internal key-management function */
229#endif
230#define AF_INET6 28 /* IPv6 */
231#if __BSD_VISIBLE
232#define AF_NATM 29 /* native ATM access */
233#define AF_ATM 30 /* ATM */
234#define pseudo_AF_HDRCMPLT 31 /* Used by BPF to not rewrite headers
235 * in interface output routine
236 */
237#define AF_NETGRAPH 32 /* Netgraph sockets */
238#define AF_SLOW 33 /* 802.3ad slow protocol */
239#define AF_SCLUSTER 34 /* Sitara cluster protocol */
240#define AF_ARP 35
241#define AF_BLUETOOTH 36 /* Bluetooth sockets */
242#define AF_IEEE80211 37 /* IEEE 802.11 protocol */
243#define AF_INET_SDP 40 /* OFED Socket Direct Protocol ipv4 */
244#define AF_INET6_SDP 42 /* OFED Socket Direct Protocol ipv6 */
245#define AF_MAX 42
246/*
247 * When allocating a new AF_ constant, please only allocate
248 * even numbered constants for FreeBSD until 134 as odd numbered AF_
249 * constants 39-133 are now reserved for vendors.
250 */
251#define AF_VENDOR00 39
252#define AF_VENDOR01 41
253#define AF_VENDOR02 43
254#define AF_VENDOR03 45
255#define AF_VENDOR04 47
256#define AF_VENDOR05 49
257#define AF_VENDOR06 51
258#define AF_VENDOR07 53
259#define AF_VENDOR08 55
260#define AF_VENDOR09 57
261#define AF_VENDOR10 59
262#define AF_VENDOR11 61
263#define AF_VENDOR12 63
264#define AF_VENDOR13 65
265#define AF_VENDOR14 67
266#define AF_VENDOR15 69
267#define AF_VENDOR16 71
268#define AF_VENDOR17 73
269#define AF_VENDOR18 75
270#define AF_VENDOR19 77
271#define AF_VENDOR20 79
272#define AF_VENDOR21 81
273#define AF_VENDOR22 83
274#define AF_VENDOR23 85
275#define AF_VENDOR24 87
276#define AF_VENDOR25 89
277#define AF_VENDOR26 91
278#define AF_VENDOR27 93
279#define AF_VENDOR28 95
280#define AF_VENDOR29 97
281#define AF_VENDOR30 99
282#define AF_VENDOR31 101
283#define AF_VENDOR32 103
284#define AF_VENDOR33 105
285#define AF_VENDOR34 107
286#define AF_VENDOR35 109
287#define AF_VENDOR36 111
288#define AF_VENDOR37 113
289#define AF_VENDOR38 115
290#define AF_VENDOR39 117
291#define AF_VENDOR40 119
292#define AF_VENDOR41 121
293#define AF_VENDOR42 123
294#define AF_VENDOR43 125
295#define AF_VENDOR44 127
296#define AF_VENDOR45 129
297#define AF_VENDOR46 131
298#define AF_VENDOR47 133
299#endif
300
301/*
302 * Structure used by kernel to store most
303 * addresses.
304 */
305struct sockaddr {
306 unsigned char sa_len; /* total length */
307 sa_family_t sa_family; /* address family */
308 char sa_data[14]; /* actually longer; address value */
309};
310#if __BSD_VISIBLE
311#define SOCK_MAXADDRLEN 255 /* longest possible addresses */
312
313/*
314 * Structure used by kernel to pass protocol
315 * information in raw sockets.
316 */
317struct sockproto {
318 unsigned short sp_family; /* address family */
319 unsigned short sp_protocol; /* protocol */
320};
321#endif
322
323#include <sys/_sockaddr_storage.h>
324
325#if __BSD_VISIBLE
326/*
327 * Protocol families, same as address families for now.
328 */
329#define PF_UNSPEC AF_UNSPEC
330#define PF_LOCAL AF_LOCAL
331#define PF_UNIX PF_LOCAL /* backward compatibility */
332#define PF_INET AF_INET
333#define PF_IMPLINK AF_IMPLINK
334#define PF_PUP AF_PUP
335#define PF_CHAOS AF_CHAOS
336#define PF_NETBIOS AF_NETBIOS
337#define PF_ISO AF_ISO
338#define PF_OSI AF_ISO
339#define PF_ECMA AF_ECMA
340#define PF_DATAKIT AF_DATAKIT
341#define PF_CCITT AF_CCITT
342#define PF_SNA AF_SNA
343#define PF_DECnet AF_DECnet
344#define PF_DLI AF_DLI
345#define PF_LAT AF_LAT
346#define PF_HYLINK AF_HYLINK
347#define PF_APPLETALK AF_APPLETALK
348#define PF_ROUTE AF_ROUTE
349#define PF_LINK AF_LINK
350#define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
351#define PF_COIP AF_COIP
352#define PF_CNT AF_CNT
353#define PF_SIP AF_SIP
354#define PF_IPX AF_IPX
355#define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */
356#define PF_PIP pseudo_AF_PIP
357#define PF_ISDN AF_ISDN
358#define PF_KEY pseudo_AF_KEY
359#define PF_INET6 AF_INET6
360#define PF_NATM AF_NATM
361#define PF_ATM AF_ATM
362#define PF_NETGRAPH AF_NETGRAPH
363#define PF_SLOW AF_SLOW
364#define PF_SCLUSTER AF_SCLUSTER
365#define PF_ARP AF_ARP
366#define PF_BLUETOOTH AF_BLUETOOTH
367#define PF_IEEE80211 AF_IEEE80211
368#define PF_INET_SDP AF_INET_SDP
369#define PF_INET6_SDP AF_INET6_SDP
370
371#define PF_MAX AF_MAX
372
373/*
374 * Definitions for network related sysctl, CTL_NET.
375 *
376 * Second level is protocol family.
377 * Third level is protocol number.
378 *
379 * Further levels are defined by the individual families below.
379 * Further levels are defined by the individual families.
380 */
380 */
381#define NET_MAXID AF_MAX
382
383/*
384 * PF_ROUTE - Routing table
385 *
386 * Three additional levels are defined:
387 * Fourth: address family, 0 is wildcard
388 * Fifth: type of info, defined below
389 * Sixth: flag(s) to mask with for NET_RT_FLAGS
390 */
391#define NET_RT_DUMP 1 /* dump; may limit to a.f. */
392#define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
393#define NET_RT_IFLIST 3 /* survey interface list */
394#define NET_RT_IFMALIST 4 /* return multicast address list */
395#define NET_RT_IFLISTL 5 /* Survey interface list, using 'l'en
396 * versions of msghdr structs. */
381
382/*
383 * PF_ROUTE - Routing table
384 *
385 * Three additional levels are defined:
386 * Fourth: address family, 0 is wildcard
387 * Fifth: type of info, defined below
388 * Sixth: flag(s) to mask with for NET_RT_FLAGS
389 */
390#define NET_RT_DUMP 1 /* dump; may limit to a.f. */
391#define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
392#define NET_RT_IFLIST 3 /* survey interface list */
393#define NET_RT_IFMALIST 4 /* return multicast address list */
394#define NET_RT_IFLISTL 5 /* Survey interface list, using 'l'en
395 * versions of msghdr structs. */
397#define NET_RT_MAXID 6
398
399#endif /* __BSD_VISIBLE */
400
401/*
402 * Maximum queue length specifiable by listen.
403 */
404#define SOMAXCONN 128
405
406/*
407 * Message header for recvmsg and sendmsg calls.
408 * Used value-result for recvmsg, value only for sendmsg.
409 */
410struct msghdr {
411 void *msg_name; /* optional address */
412 socklen_t msg_namelen; /* size of address */
413 struct iovec *msg_iov; /* scatter/gather array */
414 int msg_iovlen; /* # elements in msg_iov */
415 void *msg_control; /* ancillary data, see below */
416 socklen_t msg_controllen; /* ancillary data buffer len */
417 int msg_flags; /* flags on received message */
418};
419
420#define MSG_OOB 0x1 /* process out-of-band data */
421#define MSG_PEEK 0x2 /* peek at incoming message */
422#define MSG_DONTROUTE 0x4 /* send without using routing tables */
423#define MSG_EOR 0x8 /* data completes record */
424#define MSG_TRUNC 0x10 /* data discarded before delivery */
425#define MSG_CTRUNC 0x20 /* control data lost before delivery */
426#define MSG_WAITALL 0x40 /* wait for full request or error */
427#if __POSIX_VISIBLE >= 200809
428#define MSG_NOSIGNAL 0x20000 /* do not generate SIGPIPE on EOF */
429#endif
430#if __BSD_VISIBLE
431#define MSG_DONTWAIT 0x80 /* this message should be nonblocking */
432#define MSG_EOF 0x100 /* data completes connection */
433#define MSG_NOTIFICATION 0x2000 /* SCTP notification */
434#define MSG_NBIO 0x4000 /* FIONBIO mode, used by fifofs */
435#define MSG_COMPAT 0x8000 /* used in sendit() */
436#define MSG_CMSG_CLOEXEC 0x40000 /* make received fds close-on-exec */
437#endif
438#ifdef _KERNEL
439#define MSG_SOCALLBCK 0x10000 /* for use by socket callbacks - soreceive (TCP) */
440#endif
441
442/*
443 * Header for ancillary data objects in msg_control buffer.
444 * Used for additional information with/about a datagram
445 * not expressible by flags. The format is a sequence
446 * of message elements headed by cmsghdr structures.
447 */
448struct cmsghdr {
449 socklen_t cmsg_len; /* data byte count, including hdr */
450 int cmsg_level; /* originating protocol */
451 int cmsg_type; /* protocol-specific type */
452/* followed by u_char cmsg_data[]; */
453};
454
455#if __BSD_VISIBLE
456/*
457 * While we may have more groups than this, the cmsgcred struct must
458 * be able to fit in an mbuf and we have historically supported a
459 * maximum of 16 groups.
460*/
461#define CMGROUP_MAX 16
462
463/*
464 * Credentials structure, used to verify the identity of a peer
465 * process that has sent us a message. This is allocated by the
466 * peer process but filled in by the kernel. This prevents the
467 * peer from lying about its identity. (Note that cmcred_groups[0]
468 * is the effective GID.)
469 */
470struct cmsgcred {
471 pid_t cmcred_pid; /* PID of sending process */
472 uid_t cmcred_uid; /* real UID of sending process */
473 uid_t cmcred_euid; /* effective UID of sending process */
474 gid_t cmcred_gid; /* real GID of sending process */
475 short cmcred_ngroups; /* number or groups */
476 gid_t cmcred_groups[CMGROUP_MAX]; /* groups */
477};
478
479/*
480 * Socket credentials.
481 */
482struct sockcred {
483 uid_t sc_uid; /* real user id */
484 uid_t sc_euid; /* effective user id */
485 gid_t sc_gid; /* real group id */
486 gid_t sc_egid; /* effective group id */
487 int sc_ngroups; /* number of supplemental groups */
488 gid_t sc_groups[1]; /* variable length */
489};
490
491/*
492 * Compute size of a sockcred structure with groups.
493 */
494#define SOCKCREDSIZE(ngrps) \
495 (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
496
497#endif /* __BSD_VISIBLE */
498
499/* given pointer to struct cmsghdr, return pointer to data */
500#define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
501 _ALIGN(sizeof(struct cmsghdr)))
502
503/* given pointer to struct cmsghdr, return pointer to next cmsghdr */
504#define CMSG_NXTHDR(mhdr, cmsg) \
505 ((char *)(cmsg) == NULL ? CMSG_FIRSTHDR(mhdr) : \
506 ((char *)(cmsg) + _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len) + \
507 _ALIGN(sizeof(struct cmsghdr)) > \
508 (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \
509 (struct cmsghdr *)0 : \
510 (struct cmsghdr *)(void *)((char *)(cmsg) + \
511 _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len)))
512
513/*
514 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
515 * an empty list for some reasons.
516 */
517#define CMSG_FIRSTHDR(mhdr) \
518 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
519 (struct cmsghdr *)(mhdr)->msg_control : \
520 (struct cmsghdr *)NULL)
521
522#if __BSD_VISIBLE
523/* RFC 2292 additions */
524#define CMSG_SPACE(l) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l))
525#define CMSG_LEN(l) (_ALIGN(sizeof(struct cmsghdr)) + (l))
526#endif
527
528#ifdef _KERNEL
529#define CMSG_ALIGN(n) _ALIGN(n)
530#endif
531
532/* "Socket"-level control message types: */
533#define SCM_RIGHTS 0x01 /* access rights (array of int) */
534#if __BSD_VISIBLE
535#define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */
536#define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */
537#define SCM_BINTIME 0x04 /* timestamp (struct bintime) */
538#endif
539
540#if __BSD_VISIBLE
541/*
542 * 4.3 compat sockaddr, move to compat file later
543 */
544struct osockaddr {
545 unsigned short sa_family; /* address family */
546 char sa_data[14]; /* up to 14 bytes of direct address */
547};
548
549/*
550 * 4.3-compat message header (move to compat file later).
551 */
552struct omsghdr {
553 char *msg_name; /* optional address */
554 int msg_namelen; /* size of address */
555 struct iovec *msg_iov; /* scatter/gather array */
556 int msg_iovlen; /* # elements in msg_iov */
557 char *msg_accrights; /* access rights sent/received */
558 int msg_accrightslen;
559};
560#endif
561
562/*
563 * howto arguments for shutdown(2), specified by Posix.1g.
564 */
565#define SHUT_RD 0 /* shut down the reading side */
566#define SHUT_WR 1 /* shut down the writing side */
567#define SHUT_RDWR 2 /* shut down both sides */
568
569#if __BSD_VISIBLE
570/* for SCTP */
571/* we cheat and use the SHUT_XX defines for these */
572#define PRU_FLUSH_RD SHUT_RD
573#define PRU_FLUSH_WR SHUT_WR
574#define PRU_FLUSH_RDWR SHUT_RDWR
575#endif
576
577
578#if __BSD_VISIBLE
579/*
580 * sendfile(2) header/trailer struct
581 */
582struct sf_hdtr {
583 struct iovec *headers; /* pointer to an array of header struct iovec's */
584 int hdr_cnt; /* number of header iovec's */
585 struct iovec *trailers; /* pointer to an array of trailer struct iovec's */
586 int trl_cnt; /* number of trailer iovec's */
587};
588
589/*
590 * sendfile(2) kqueue information
591 */
592struct sf_hdtr_kq {
593 uintptr_t kq_ident; /* ident (from userland?) */
594 void *kq_udata; /* user data pointer */
595 uint32_t kq_flags; /* extra flags to pass in */
596 int kq_fd; /* kq fd to post completion events on */
597};
598
599struct sf_hdtr_all {
600 struct sf_hdtr hdtr;
601 struct sf_hdtr_kq kq;
602};
603
604/*
605 * Sendfile-specific flag(s)
606 */
607#define SF_NODISKIO 0x00000001
608#define SF_MNOWAIT 0x00000002
609#define SF_SYNC 0x00000004
610#define SF_KQUEUE 0x00000008
611
612#ifdef _KERNEL
613#define SFK_COMPAT 0x00000001
614#endif /* _KERNEL */
615#endif /* __BSD_VISIBLE */
616
617#ifndef _KERNEL
618
619#include <sys/cdefs.h>
620
621__BEGIN_DECLS
622int accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
623int bind(int, const struct sockaddr *, socklen_t);
624int connect(int, const struct sockaddr *, socklen_t);
625#if __BSD_VISIBLE
626int accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int);
627int bindat(int, int, const struct sockaddr *, socklen_t);
628int connectat(int, int, const struct sockaddr *, socklen_t);
629#endif
630int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
631int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
632int getsockopt(int, int, int, void * __restrict, socklen_t * __restrict);
633int listen(int, int);
634ssize_t recv(int, void *, size_t, int);
635ssize_t recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict);
636ssize_t recvmsg(int, struct msghdr *, int);
637ssize_t send(int, const void *, size_t, int);
638ssize_t sendto(int, const void *,
639 size_t, int, const struct sockaddr *, socklen_t);
640ssize_t sendmsg(int, const struct msghdr *, int);
641#if __BSD_VISIBLE
642int sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int);
643int setfib(int);
644#endif
645int setsockopt(int, int, int, const void *, socklen_t);
646int shutdown(int, int);
647int sockatmark(int);
648int socket(int, int, int);
649int socketpair(int, int, int, int *);
650__END_DECLS
651
652#endif /* !_KERNEL */
653
654#ifdef _KERNEL
655struct socket;
656
657struct tcpcb *so_sototcpcb(struct socket *so);
658struct inpcb *so_sotoinpcb(struct socket *so);
659struct sockbuf *so_sockbuf_snd(struct socket *);
660struct sockbuf *so_sockbuf_rcv(struct socket *);
661
662int so_state_get(const struct socket *);
663void so_state_set(struct socket *, int);
664
665int so_options_get(const struct socket *);
666void so_options_set(struct socket *, int);
667
668int so_error_get(const struct socket *);
669void so_error_set(struct socket *, int);
670
671int so_linger_get(const struct socket *);
672void so_linger_set(struct socket *, int);
673
674struct protosw *so_protosw_get(const struct socket *);
675void so_protosw_set(struct socket *, struct protosw *);
676
677void so_sorwakeup_locked(struct socket *so);
678void so_sowwakeup_locked(struct socket *so);
679
680void so_sorwakeup(struct socket *so);
681void so_sowwakeup(struct socket *so);
682
683void so_lock(struct socket *so);
684void so_unlock(struct socket *so);
685
686void so_listeners_apply_all(struct socket *so, void (*func)(struct socket *, void *), void *arg);
687
688#endif
689
690
691#endif /* !_SYS_SOCKET_H_ */
396#endif /* __BSD_VISIBLE */
397
398/*
399 * Maximum queue length specifiable by listen.
400 */
401#define SOMAXCONN 128
402
403/*
404 * Message header for recvmsg and sendmsg calls.
405 * Used value-result for recvmsg, value only for sendmsg.
406 */
407struct msghdr {
408 void *msg_name; /* optional address */
409 socklen_t msg_namelen; /* size of address */
410 struct iovec *msg_iov; /* scatter/gather array */
411 int msg_iovlen; /* # elements in msg_iov */
412 void *msg_control; /* ancillary data, see below */
413 socklen_t msg_controllen; /* ancillary data buffer len */
414 int msg_flags; /* flags on received message */
415};
416
417#define MSG_OOB 0x1 /* process out-of-band data */
418#define MSG_PEEK 0x2 /* peek at incoming message */
419#define MSG_DONTROUTE 0x4 /* send without using routing tables */
420#define MSG_EOR 0x8 /* data completes record */
421#define MSG_TRUNC 0x10 /* data discarded before delivery */
422#define MSG_CTRUNC 0x20 /* control data lost before delivery */
423#define MSG_WAITALL 0x40 /* wait for full request or error */
424#if __POSIX_VISIBLE >= 200809
425#define MSG_NOSIGNAL 0x20000 /* do not generate SIGPIPE on EOF */
426#endif
427#if __BSD_VISIBLE
428#define MSG_DONTWAIT 0x80 /* this message should be nonblocking */
429#define MSG_EOF 0x100 /* data completes connection */
430#define MSG_NOTIFICATION 0x2000 /* SCTP notification */
431#define MSG_NBIO 0x4000 /* FIONBIO mode, used by fifofs */
432#define MSG_COMPAT 0x8000 /* used in sendit() */
433#define MSG_CMSG_CLOEXEC 0x40000 /* make received fds close-on-exec */
434#endif
435#ifdef _KERNEL
436#define MSG_SOCALLBCK 0x10000 /* for use by socket callbacks - soreceive (TCP) */
437#endif
438
439/*
440 * Header for ancillary data objects in msg_control buffer.
441 * Used for additional information with/about a datagram
442 * not expressible by flags. The format is a sequence
443 * of message elements headed by cmsghdr structures.
444 */
445struct cmsghdr {
446 socklen_t cmsg_len; /* data byte count, including hdr */
447 int cmsg_level; /* originating protocol */
448 int cmsg_type; /* protocol-specific type */
449/* followed by u_char cmsg_data[]; */
450};
451
452#if __BSD_VISIBLE
453/*
454 * While we may have more groups than this, the cmsgcred struct must
455 * be able to fit in an mbuf and we have historically supported a
456 * maximum of 16 groups.
457*/
458#define CMGROUP_MAX 16
459
460/*
461 * Credentials structure, used to verify the identity of a peer
462 * process that has sent us a message. This is allocated by the
463 * peer process but filled in by the kernel. This prevents the
464 * peer from lying about its identity. (Note that cmcred_groups[0]
465 * is the effective GID.)
466 */
467struct cmsgcred {
468 pid_t cmcred_pid; /* PID of sending process */
469 uid_t cmcred_uid; /* real UID of sending process */
470 uid_t cmcred_euid; /* effective UID of sending process */
471 gid_t cmcred_gid; /* real GID of sending process */
472 short cmcred_ngroups; /* number or groups */
473 gid_t cmcred_groups[CMGROUP_MAX]; /* groups */
474};
475
476/*
477 * Socket credentials.
478 */
479struct sockcred {
480 uid_t sc_uid; /* real user id */
481 uid_t sc_euid; /* effective user id */
482 gid_t sc_gid; /* real group id */
483 gid_t sc_egid; /* effective group id */
484 int sc_ngroups; /* number of supplemental groups */
485 gid_t sc_groups[1]; /* variable length */
486};
487
488/*
489 * Compute size of a sockcred structure with groups.
490 */
491#define SOCKCREDSIZE(ngrps) \
492 (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
493
494#endif /* __BSD_VISIBLE */
495
496/* given pointer to struct cmsghdr, return pointer to data */
497#define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
498 _ALIGN(sizeof(struct cmsghdr)))
499
500/* given pointer to struct cmsghdr, return pointer to next cmsghdr */
501#define CMSG_NXTHDR(mhdr, cmsg) \
502 ((char *)(cmsg) == NULL ? CMSG_FIRSTHDR(mhdr) : \
503 ((char *)(cmsg) + _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len) + \
504 _ALIGN(sizeof(struct cmsghdr)) > \
505 (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \
506 (struct cmsghdr *)0 : \
507 (struct cmsghdr *)(void *)((char *)(cmsg) + \
508 _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len)))
509
510/*
511 * RFC 2292 requires to check msg_controllen, in case that the kernel returns
512 * an empty list for some reasons.
513 */
514#define CMSG_FIRSTHDR(mhdr) \
515 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
516 (struct cmsghdr *)(mhdr)->msg_control : \
517 (struct cmsghdr *)NULL)
518
519#if __BSD_VISIBLE
520/* RFC 2292 additions */
521#define CMSG_SPACE(l) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l))
522#define CMSG_LEN(l) (_ALIGN(sizeof(struct cmsghdr)) + (l))
523#endif
524
525#ifdef _KERNEL
526#define CMSG_ALIGN(n) _ALIGN(n)
527#endif
528
529/* "Socket"-level control message types: */
530#define SCM_RIGHTS 0x01 /* access rights (array of int) */
531#if __BSD_VISIBLE
532#define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */
533#define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */
534#define SCM_BINTIME 0x04 /* timestamp (struct bintime) */
535#endif
536
537#if __BSD_VISIBLE
538/*
539 * 4.3 compat sockaddr, move to compat file later
540 */
541struct osockaddr {
542 unsigned short sa_family; /* address family */
543 char sa_data[14]; /* up to 14 bytes of direct address */
544};
545
546/*
547 * 4.3-compat message header (move to compat file later).
548 */
549struct omsghdr {
550 char *msg_name; /* optional address */
551 int msg_namelen; /* size of address */
552 struct iovec *msg_iov; /* scatter/gather array */
553 int msg_iovlen; /* # elements in msg_iov */
554 char *msg_accrights; /* access rights sent/received */
555 int msg_accrightslen;
556};
557#endif
558
559/*
560 * howto arguments for shutdown(2), specified by Posix.1g.
561 */
562#define SHUT_RD 0 /* shut down the reading side */
563#define SHUT_WR 1 /* shut down the writing side */
564#define SHUT_RDWR 2 /* shut down both sides */
565
566#if __BSD_VISIBLE
567/* for SCTP */
568/* we cheat and use the SHUT_XX defines for these */
569#define PRU_FLUSH_RD SHUT_RD
570#define PRU_FLUSH_WR SHUT_WR
571#define PRU_FLUSH_RDWR SHUT_RDWR
572#endif
573
574
575#if __BSD_VISIBLE
576/*
577 * sendfile(2) header/trailer struct
578 */
579struct sf_hdtr {
580 struct iovec *headers; /* pointer to an array of header struct iovec's */
581 int hdr_cnt; /* number of header iovec's */
582 struct iovec *trailers; /* pointer to an array of trailer struct iovec's */
583 int trl_cnt; /* number of trailer iovec's */
584};
585
586/*
587 * sendfile(2) kqueue information
588 */
589struct sf_hdtr_kq {
590 uintptr_t kq_ident; /* ident (from userland?) */
591 void *kq_udata; /* user data pointer */
592 uint32_t kq_flags; /* extra flags to pass in */
593 int kq_fd; /* kq fd to post completion events on */
594};
595
596struct sf_hdtr_all {
597 struct sf_hdtr hdtr;
598 struct sf_hdtr_kq kq;
599};
600
601/*
602 * Sendfile-specific flag(s)
603 */
604#define SF_NODISKIO 0x00000001
605#define SF_MNOWAIT 0x00000002
606#define SF_SYNC 0x00000004
607#define SF_KQUEUE 0x00000008
608
609#ifdef _KERNEL
610#define SFK_COMPAT 0x00000001
611#endif /* _KERNEL */
612#endif /* __BSD_VISIBLE */
613
614#ifndef _KERNEL
615
616#include <sys/cdefs.h>
617
618__BEGIN_DECLS
619int accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
620int bind(int, const struct sockaddr *, socklen_t);
621int connect(int, const struct sockaddr *, socklen_t);
622#if __BSD_VISIBLE
623int accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int);
624int bindat(int, int, const struct sockaddr *, socklen_t);
625int connectat(int, int, const struct sockaddr *, socklen_t);
626#endif
627int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
628int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
629int getsockopt(int, int, int, void * __restrict, socklen_t * __restrict);
630int listen(int, int);
631ssize_t recv(int, void *, size_t, int);
632ssize_t recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict);
633ssize_t recvmsg(int, struct msghdr *, int);
634ssize_t send(int, const void *, size_t, int);
635ssize_t sendto(int, const void *,
636 size_t, int, const struct sockaddr *, socklen_t);
637ssize_t sendmsg(int, const struct msghdr *, int);
638#if __BSD_VISIBLE
639int sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int);
640int setfib(int);
641#endif
642int setsockopt(int, int, int, const void *, socklen_t);
643int shutdown(int, int);
644int sockatmark(int);
645int socket(int, int, int);
646int socketpair(int, int, int, int *);
647__END_DECLS
648
649#endif /* !_KERNEL */
650
651#ifdef _KERNEL
652struct socket;
653
654struct tcpcb *so_sototcpcb(struct socket *so);
655struct inpcb *so_sotoinpcb(struct socket *so);
656struct sockbuf *so_sockbuf_snd(struct socket *);
657struct sockbuf *so_sockbuf_rcv(struct socket *);
658
659int so_state_get(const struct socket *);
660void so_state_set(struct socket *, int);
661
662int so_options_get(const struct socket *);
663void so_options_set(struct socket *, int);
664
665int so_error_get(const struct socket *);
666void so_error_set(struct socket *, int);
667
668int so_linger_get(const struct socket *);
669void so_linger_set(struct socket *, int);
670
671struct protosw *so_protosw_get(const struct socket *);
672void so_protosw_set(struct socket *, struct protosw *);
673
674void so_sorwakeup_locked(struct socket *so);
675void so_sowwakeup_locked(struct socket *so);
676
677void so_sorwakeup(struct socket *so);
678void so_sowwakeup(struct socket *so);
679
680void so_lock(struct socket *so);
681void so_unlock(struct socket *so);
682
683void so_listeners_apply_all(struct socket *so, void (*func)(struct socket *, void *), void *arg);
684
685#endif
686
687
688#endif /* !_SYS_SOCKET_H_ */