Annotation of src/sys/sys/socket.h, Revision 1.100.2.3
1.100.2.3! yamt 1: /* $NetBSD: socket.h,v 1.100.2.2 2012/10/30 17:22:57 yamt Exp $ */
1.44 itojun 2:
3: /*
4: * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5: * All rights reserved.
1.71 perry 6: *
1.44 itojun 7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. Neither the name of the project nor the names of its contributors
16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
1.71 perry 18: *
1.44 itojun 19: * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
1.10 cgd 31:
1.1 cgd 32: /*
1.8 mycroft 33: * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
34: * The Regents of the University of California. All rights reserved.
1.1 cgd 35: *
36: * Redistribution and use in source and binary forms, with or without
37: * modification, are permitted provided that the following conditions
38: * are met:
39: * 1. Redistributions of source code must retain the above copyright
40: * notice, this list of conditions and the following disclaimer.
41: * 2. Redistributions in binary form must reproduce the above copyright
42: * notice, this list of conditions and the following disclaimer in the
43: * documentation and/or other materials provided with the distribution.
1.68 agc 44: * 3. Neither the name of the University nor the names of its contributors
1.1 cgd 45: * may be used to endorse or promote products derived from this software
46: * without specific prior written permission.
47: *
48: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58: * SUCH DAMAGE.
59: *
1.28 fvdl 60: * @(#)socket.h 8.6 (Berkeley) 5/3/95
1.1 cgd 61: */
62:
1.2 mycroft 63: #ifndef _SYS_SOCKET_H_
1.8 mycroft 64: #define _SYS_SOCKET_H_
1.2 mycroft 65:
1.67 bjh21 66: #include <sys/featuretest.h>
67:
1.1 cgd 68: /*
69: * Definitions related to sockets: types, address families, options.
70: */
71:
72: /*
1.42 kleink 73: * Data types.
74: */
1.55 itojun 75: #include <sys/ansi.h>
1.56 kleink 76:
77: #ifndef sa_family_t
78: typedef __sa_family_t sa_family_t;
1.58 kleink 79: #define sa_family_t __sa_family_t
1.56 kleink 80: #endif
81:
1.55 itojun 82: #ifndef socklen_t
83: typedef __socklen_t socklen_t;
1.58 kleink 84: #define socklen_t __socklen_t
1.55 itojun 85: #endif
1.42 kleink 86:
1.63 kleink 87: #include <machine/ansi.h>
88:
89: #ifdef _BSD_SIZE_T_
90: typedef _BSD_SIZE_T_ size_t;
91: #undef _BSD_SIZE_T_
92: #endif
93:
94: #ifdef _BSD_SSIZE_T_
95: typedef _BSD_SSIZE_T_ ssize_t;
96: #undef _BSD_SSIZE_T_
97: #endif
98:
99: #include <sys/uio.h>
1.100 christos 100: #include <sys/sigtypes.h>
1.63 kleink 101:
1.42 kleink 102: /*
103: * Socket types.
1.1 cgd 104: */
105: #define SOCK_STREAM 1 /* stream socket */
106: #define SOCK_DGRAM 2 /* datagram socket */
107: #define SOCK_RAW 3 /* raw-protocol interface */
108: #define SOCK_RDM 4 /* reliably-delivered message */
109: #define SOCK_SEQPACKET 5 /* sequenced packet stream */
110:
1.100 christos 111: #define SOCK_CLOEXEC 0x10000000 /* set close on exec on socket */
112: #define SOCK_NONBLOCK 0x20000000 /* set non blocking i/o socket */
1.100.2.1 yamt 113: #define SOCK_NOSIGPIPE 0x40000000 /* don't send sigpipe */
1.100 christos 114: #define SOCK_FLAGS_MASK 0xf0000000 /* flags mask */
115:
1.1 cgd 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: #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
126: #define SO_LINGER 0x0080 /* linger on close if data present */
127: #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
1.8 mycroft 128: #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
1.94 christos 129: /* SO_OTIMESTAMP 0x0400 */
1.100.2.1 yamt 130: #define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */
1.91 tls 131: #define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */
1.94 christos 132: #define SO_TIMESTAMP 0x2000 /* timestamp received dgram traffic */
1.1 cgd 133:
1.79 christos 134:
1.1 cgd 135: /*
136: * Additional options, not kept in so_options.
137: */
138: #define SO_SNDBUF 0x1001 /* send buffer size */
139: #define SO_RCVBUF 0x1002 /* receive buffer size */
140: #define SO_SNDLOWAT 0x1003 /* send low-water mark */
141: #define SO_RCVLOWAT 0x1004 /* receive low-water mark */
1.93 christos 142: /* SO_OSNDTIMEO 0x1005 */
143: /* SO_ORCVTIMEO 0x1006 */
1.1 cgd 144: #define SO_ERROR 0x1007 /* get error status and clear */
145: #define SO_TYPE 0x1008 /* get socket type */
1.69 darrenr 146: #define SO_OVERFLOWED 0x1009 /* datagrams: return packets dropped */
1.1 cgd 147:
1.89 dyoung 148: #define SO_NOHEADER 0x100a /* user supplies no header to kernel;
149: * kernel removes header and supplies
150: * payload
151: */
1.93 christos 152: #define SO_SNDTIMEO 0x100b /* send timeout */
153: #define SO_RCVTIMEO 0x100c /* receive timeout */
1.1 cgd 154: /*
155: * Structure used for manipulating linger option.
156: */
157: struct linger {
158: int l_onoff; /* option on/off */
1.28 fvdl 159: int l_linger; /* linger time in seconds */
1.1 cgd 160: };
161:
1.91 tls 162: struct accept_filter_arg {
163: char af_name[16];
164: char af_arg[256-16];
165: };
166:
1.1 cgd 167: /*
168: * Level number for (get/set)sockopt() to apply to socket itself.
169: */
170: #define SOL_SOCKET 0xffff /* options for socket level */
171:
172: /*
173: * Address families.
174: */
175: #define AF_UNSPEC 0 /* unspecified */
1.97 pooka 176: #define AF_LOCAL 1 /* local to host */
1.8 mycroft 177: #define AF_UNIX AF_LOCAL /* backward compatibility */
1.1 cgd 178: #define AF_INET 2 /* internetwork: UDP, TCP, etc. */
179: #define AF_IMPLINK 3 /* arpanet imp addresses */
180: #define AF_PUP 4 /* pup protocols: e.g. BSP */
181: #define AF_CHAOS 5 /* mit CHAOS protocols */
182: #define AF_NS 6 /* XEROX NS protocols */
183: #define AF_ISO 7 /* ISO protocols */
184: #define AF_OSI AF_ISO
185: #define AF_ECMA 8 /* european computer manufacturers */
186: #define AF_DATAKIT 9 /* datakit protocols */
187: #define AF_CCITT 10 /* CCITT protocols, X.25 etc */
188: #define AF_SNA 11 /* IBM SNA */
189: #define AF_DECnet 12 /* DECnet */
190: #define AF_DLI 13 /* DEC Direct data link interface */
191: #define AF_LAT 14 /* LAT */
192: #define AF_HYLINK 15 /* NSC Hyperchannel */
193: #define AF_APPLETALK 16 /* Apple Talk */
1.99 matt 194: #define AF_OROUTE 17 /* Internal Routing Protocol */
1.1 cgd 195: #define AF_LINK 18 /* Link layer interface */
1.67 bjh21 196: #if defined(_NETBSD_SOURCE)
1.1 cgd 197: #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
1.42 kleink 198: #endif
1.8 mycroft 199: #define AF_COIP 20 /* connection-oriented IP, aka ST II */
200: #define AF_CNT 21 /* Computer Network Technology */
1.67 bjh21 201: #if defined(_NETBSD_SOURCE)
1.8 mycroft 202: #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
1.42 kleink 203: #endif
1.8 mycroft 204: #define AF_IPX 23 /* Novell Internet Protocol */
1.21 sommerfe 205: #define AF_INET6 24 /* IP version 6 */
1.67 bjh21 206: #if defined(_NETBSD_SOURCE)
1.8 mycroft 207: #define pseudo_AF_PIP 25 /* Help Identify PIP packets */
1.42 kleink 208: #endif
1.17 chuck 209: #define AF_ISDN 26 /* Integrated Services Digital Network*/
210: #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
211: #define AF_NATM 27 /* native ATM access */
1.19 is 212: #define AF_ARP 28 /* (rev.) addr. res. prot. (RFC 826) */
1.67 bjh21 213: #if defined(_NETBSD_SOURCE)
1.21 sommerfe 214: #define pseudo_AF_KEY 29 /* Internal key management protocol */
1.31 thorpej 215: #define pseudo_AF_HDRCMPLT 30 /* Used by BPF to not rewrite hdrs
216: in interface output routine */
1.42 kleink 217: #endif
1.83 plunky 218: #define AF_BLUETOOTH 31 /* Bluetooth: HCI, SCO, L2CAP, RFCOMM */
1.90 christos 219: #define AF_IEEE80211 32 /* IEEE80211 */
1.98 kefren 220: #define AF_MPLS 33 /* MultiProtocol Label Switching */
1.99 matt 221: #define AF_ROUTE 34 /* Internal Routing Protocol */
222: #define AF_MAX 35
1.1 cgd 223:
224: /*
1.26 thorpej 225: * Structure used by kernel to store most
226: * addresses.
1.1 cgd 227: */
228: struct sockaddr {
1.63 kleink 229: __uint8_t sa_len; /* total length */
1.56 kleink 230: sa_family_t sa_family; /* address family */
231: char sa_data[14]; /* actually longer; address value */
1.26 thorpej 232: };
1.1 cgd 233:
1.42 kleink 234: #if defined(_KERNEL)
1.1 cgd 235: /*
236: * Structure used by kernel to pass protocol
237: * information in raw sockets.
238: */
239: struct sockproto {
240: u_short sp_family; /* address family */
241: u_short sp_protocol; /* protocol */
242: };
1.42 kleink 243: #endif /* _KERNEL */
1.1 cgd 244:
1.44 itojun 245: #if 1
246: /*
247: * RFC 2553: protocol-independent placeholder for socket addresses
248: */
249: #define _SS_MAXSIZE 128
1.63 kleink 250: #define _SS_ALIGNSIZE (sizeof(__int64_t))
1.60 kleink 251: #define _SS_PAD1SIZE (_SS_ALIGNSIZE - 2)
252: #define _SS_PAD2SIZE (_SS_MAXSIZE - 2 - \
1.44 itojun 253: _SS_PAD1SIZE - _SS_ALIGNSIZE)
254:
1.67 bjh21 255: #if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
1.44 itojun 256: struct sockaddr_storage {
1.63 kleink 257: __uint8_t ss_len; /* address length */
1.56 kleink 258: sa_family_t ss_family; /* address family */
259: char __ss_pad1[_SS_PAD1SIZE];
1.63 kleink 260: __int64_t __ss_align;/* force desired structure storage alignment */
1.56 kleink 261: char __ss_pad2[_SS_PAD2SIZE];
1.44 itojun 262: };
1.89 dyoung 263: #define sstosa(__ss) ((struct sockaddr *)(__ss))
264: #define sstocsa(__ss) ((const struct sockaddr *)(__ss))
1.67 bjh21 265: #endif /* _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
1.46 kleink 266: #endif /* 1 */
1.44 itojun 267:
1.1 cgd 268: /*
269: * Protocol families, same as address families for now.
270: */
271: #define PF_UNSPEC AF_UNSPEC
1.8 mycroft 272: #define PF_LOCAL AF_LOCAL
273: #define PF_UNIX PF_LOCAL /* backward compatibility */
1.1 cgd 274: #define PF_INET AF_INET
275: #define PF_IMPLINK AF_IMPLINK
276: #define PF_PUP AF_PUP
277: #define PF_CHAOS AF_CHAOS
278: #define PF_NS AF_NS
279: #define PF_ISO AF_ISO
280: #define PF_OSI AF_ISO
281: #define PF_ECMA AF_ECMA
282: #define PF_DATAKIT AF_DATAKIT
283: #define PF_CCITT AF_CCITT
284: #define PF_SNA AF_SNA
285: #define PF_DECnet AF_DECnet
286: #define PF_DLI AF_DLI
287: #define PF_LAT AF_LAT
288: #define PF_HYLINK AF_HYLINK
289: #define PF_APPLETALK AF_APPLETALK
1.99 matt 290: #define PF_OROUTE AF_OROUTE
1.1 cgd 291: #define PF_LINK AF_LINK
1.67 bjh21 292: #if defined(_NETBSD_SOURCE)
1.1 cgd 293: #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
1.42 kleink 294: #endif
1.8 mycroft 295: #define PF_COIP AF_COIP
296: #define PF_CNT AF_CNT
1.21 sommerfe 297: #define PF_INET6 AF_INET6
1.8 mycroft 298: #define PF_IPX AF_IPX /* same format as AF_NS */
1.67 bjh21 299: #if defined(_NETBSD_SOURCE)
1.72 kleink 300: #define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */
1.8 mycroft 301: #define PF_PIP pseudo_AF_PIP
1.42 kleink 302: #endif
1.20 is 303: #define PF_ISDN AF_ISDN /* same as E164 */
304: #define PF_E164 AF_E164
1.17 chuck 305: #define PF_NATM AF_NATM
1.19 is 306: #define PF_ARP AF_ARP
1.67 bjh21 307: #if defined(_NETBSD_SOURCE)
1.21 sommerfe 308: #define PF_KEY pseudo_AF_KEY /* like PF_ROUTE, only for key mgmt */
1.42 kleink 309: #endif
1.80 gdamore 310: #define PF_BLUETOOTH AF_BLUETOOTH
1.98 kefren 311: #define PF_MPLS AF_MPLS
1.99 matt 312: #define PF_ROUTE AF_ROUTE
1.1 cgd 313:
314: #define PF_MAX AF_MAX
315:
1.67 bjh21 316: #if defined(_NETBSD_SOURCE)
1.63 kleink 317:
318: #ifndef gid_t
319: typedef __gid_t gid_t; /* group id */
320: #define gid_t __gid_t
321: #endif
322:
323: #ifndef uid_t
324: typedef __uid_t uid_t; /* user id */
325: #define uid_t __uid_t
326: #endif
327:
1.1 cgd 328: /*
1.27 thorpej 329: * Socket credentials.
330: */
331: struct sockcred {
332: uid_t sc_uid; /* real user id */
333: uid_t sc_euid; /* effective user id */
334: gid_t sc_gid; /* real group id */
335: gid_t sc_egid; /* effective group id */
336: int sc_ngroups; /* number of supplemental groups */
337: gid_t sc_groups[1]; /* variable length */
338: };
339:
340: /*
341: * Compute size of a sockcred structure with groups.
342: */
343: #define SOCKCREDSIZE(ngrps) \
344: (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
1.67 bjh21 345: #endif /* _NETBSD_SOURCE */
1.27 thorpej 346:
1.38 kleink 347:
1.67 bjh21 348: #if defined(_NETBSD_SOURCE)
1.27 thorpej 349: /*
1.8 mycroft 350: * Definitions for network related sysctl, CTL_NET.
351: *
352: * Second level is protocol family.
353: * Third level is protocol number.
354: *
355: * Further levels are defined by the individual families below.
356: */
357: #define NET_MAXID AF_MAX
358:
359: #define CTL_NET_NAMES { \
360: { 0, 0 }, \
1.28 fvdl 361: { "local", CTLTYPE_NODE }, \
1.8 mycroft 362: { "inet", CTLTYPE_NODE }, \
363: { "implink", CTLTYPE_NODE }, \
364: { "pup", CTLTYPE_NODE }, \
365: { "chaos", CTLTYPE_NODE }, \
366: { "xerox_ns", CTLTYPE_NODE }, \
367: { "iso", CTLTYPE_NODE }, \
368: { "emca", CTLTYPE_NODE }, \
369: { "datakit", CTLTYPE_NODE }, \
370: { "ccitt", CTLTYPE_NODE }, \
371: { "ibm_sna", CTLTYPE_NODE }, \
372: { "decnet", CTLTYPE_NODE }, \
373: { "dec_dli", CTLTYPE_NODE }, \
374: { "lat", CTLTYPE_NODE }, \
375: { "hylink", CTLTYPE_NODE }, \
376: { "appletalk", CTLTYPE_NODE }, \
1.99 matt 377: { "oroute", CTLTYPE_NODE }, \
1.8 mycroft 378: { "link_layer", CTLTYPE_NODE }, \
379: { "xtp", CTLTYPE_NODE }, \
380: { "coip", CTLTYPE_NODE }, \
381: { "cnt", CTLTYPE_NODE }, \
382: { "rtip", CTLTYPE_NODE }, \
383: { "ipx", CTLTYPE_NODE }, \
1.21 sommerfe 384: { "inet6", CTLTYPE_NODE }, \
1.8 mycroft 385: { "pip", CTLTYPE_NODE }, \
1.20 is 386: { "isdn", CTLTYPE_NODE }, \
1.17 chuck 387: { "natm", CTLTYPE_NODE }, \
1.20 is 388: { "arp", CTLTYPE_NODE }, \
1.21 sommerfe 389: { "key", CTLTYPE_NODE }, \
1.99 matt 390: { "ieee80211", CTLTYPE_NODE }, \
391: { "mlps", CTLTYPE_NODE }, \
392: { "route", CTLTYPE_NODE }, \
1.8 mycroft 393: }
1.73 atatat 394:
395: struct kinfo_pcb {
1.75 tron 396: __uint64_t ki_pcbaddr; /* PTR: pcb addr */
397: __uint64_t ki_ppcbaddr; /* PTR: ppcb addr */
398: __uint64_t ki_sockaddr; /* PTR: socket addr */
399:
400: __uint32_t ki_family; /* INT: protocol family */
401: __uint32_t ki_type; /* INT: socket type */
402: __uint32_t ki_protocol; /* INT: protocol */
403: __uint32_t ki_pflags; /* INT: generic protocol flags */
404:
405: __uint32_t ki_sostate; /* INT: socket state */
406: __uint32_t ki_prstate; /* INT: protocol state */
407: __int32_t ki_tstate; /* INT: tcp state */
408: __uint32_t ki_tflags; /* INT: tcp flags */
1.73 atatat 409:
1.75 tron 410: __uint64_t ki_rcvq; /* U_LONG: receive queue len */
411: __uint64_t ki_sndq; /* U_LONG: send queue len */
1.73 atatat 412:
413: union {
414: struct sockaddr _kis_src; /* STRUCT: local address */
415: char _kis_pad[256 + 8]; /* pad to max addr length */
416: } ki_s;
417: union {
418: struct sockaddr _kid_dst; /* STRUCT: remote address */
419: char _kid_pad[256 + 8]; /* pad to max addr length */
420: } ki_d;
421:
1.75 tron 422: __uint64_t ki_inode; /* INO_T: fake inode number */
423: __uint64_t ki_vnode; /* PTR: if associated with file */
424: __uint64_t ki_conn; /* PTR: control block of peer */
425: __uint64_t ki_refs; /* PTR: referencing socket */
426: __uint64_t ki_nextref; /* PTR: link in refs list */
1.73 atatat 427: };
428:
429: #define ki_src ki_s._kis_src
430: #define ki_dst ki_d._kid_dst
1.100.2.3! yamt 431: #define ki_spad ki_s._kis_pad
! 432: #define ki_dpad ki_d._kid_pad
1.73 atatat 433:
434: #define PCB_SLOP 20
435: #define PCB_ALL 0
436:
1.67 bjh21 437: #endif /* _NETBSD_SOURCE */
1.8 mycroft 438:
1.67 bjh21 439: #if defined(_NETBSD_SOURCE)
1.8 mycroft 440: /*
441: * PF_ROUTE - Routing table
442: *
443: * Three additional levels are defined:
444: * Fourth: address family, 0 is wildcard
445: * Fifth: type of info, defined below
446: * Sixth: flag(s) to mask with for NET_RT_FLAGS
447: */
448: #define NET_RT_DUMP 1 /* dump; may limit to a.f. */
449: #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
1.92 christos 450: #define NET_RT_OOIFLIST 3 /* old NET_RT_IFLIST (pre 1.5) */
451: #define NET_RT_OIFLIST 4 /* survey interface list */
452: #define NET_RT_IFLIST 5
453: #define NET_RT_MAXID 6
1.8 mycroft 454:
455: #define CTL_NET_RT_NAMES { \
456: { 0, 0 }, \
457: { "dump", CTLTYPE_STRUCT }, \
458: { "flags", CTLTYPE_STRUCT }, \
1.47 bouyer 459: { 0, 0 }, \
1.92 christos 460: { 0, 0 }, \
1.8 mycroft 461: { "iflist", CTLTYPE_STRUCT }, \
462: }
1.67 bjh21 463: #endif /* _NETBSD_SOURCE */
1.8 mycroft 464:
465: /*
1.13 mycroft 466: * Maximum queue length specifiable by listen(2).
1.1 cgd 467: */
1.66 christos 468: #ifndef SOMAXCONN
1.13 mycroft 469: #define SOMAXCONN 128
1.66 christos 470: #endif
1.16 neil 471:
1.1 cgd 472: /*
473: * Message header for recvmsg and sendmsg calls.
474: * Used value-result for recvmsg, value only for sendmsg.
475: */
476: struct msghdr {
1.42 kleink 477: void *msg_name; /* optional address */
478: socklen_t msg_namelen; /* size of address */
479: struct iovec *msg_iov; /* scatter/gather array */
480: int msg_iovlen; /* # elements in msg_iov */
481: void *msg_control; /* ancillary data, see below */
482: socklen_t msg_controllen; /* ancillary data buffer len */
483: int msg_flags; /* flags on received message */
1.1 cgd 484: };
485:
1.79 christos 486: #define MSG_OOB 0x0001 /* process out-of-band data */
487: #define MSG_PEEK 0x0002 /* peek at incoming message */
488: #define MSG_DONTROUTE 0x0004 /* send without using routing tables */
489: #define MSG_EOR 0x0008 /* data completes record */
490: #define MSG_TRUNC 0x0010 /* data discarded before delivery */
491: #define MSG_CTRUNC 0x0020 /* control data lost before delivery */
492: #define MSG_WAITALL 0x0040 /* wait for full request or error */
493: #define MSG_DONTWAIT 0x0080 /* this message should be nonblocking */
494: #define MSG_BCAST 0x0100 /* this message was rcvd using link-level brdcst */
495: #define MSG_MCAST 0x0200 /* this message was rcvd using link-level mcast */
496: #define MSG_NOSIGNAL 0x0400 /* do not generate SIGPIPE on EOF */
1.100 christos 497: #if defined(_NETBSD_SOURCE)
498: #define MSG_CMSG_CLOEXEC 0x0800 /* close on exec receiving fd */
1.100.2.1 yamt 499: #define MSG_NBIO 0x1000 /* use non-blocking I/O */
1.100.2.2 yamt 500: #define MSG_WAITFORONE 0x2000 /* recvmmsg() wait for one message */
501:
502: struct mmsghdr {
503: struct msghdr msg_hdr;
504: unsigned int msg_len;
505: };
1.100 christos 506: #endif
1.1 cgd 507:
1.86 dsl 508: /* Extra flags used internally only */
509: #define MSG_USERFLAGS 0x0ffffff
510: #define MSG_NAMEMBUF 0x1000000 /* msg_name is an mbuf */
511: #define MSG_CONTROLMBUF 0x2000000 /* msg_control is an mbuf */
512: #define MSG_IOVUSRSPACE 0x4000000 /* msg_iov is in user space */
1.87 dsl 513: #define MSG_LENUSRSPACE 0x8000000 /* address length is in user space */
1.86 dsl 514:
1.1 cgd 515: /*
516: * Header for ancillary data objects in msg_control buffer.
517: * Used for additional information with/about a datagram
518: * not expressible by flags. The format is a sequence
519: * of message elements headed by cmsghdr structures.
520: */
521: struct cmsghdr {
1.42 kleink 522: socklen_t cmsg_len; /* data byte count, including hdr */
523: int cmsg_level; /* originating protocol */
524: int cmsg_type; /* protocol-specific type */
1.1 cgd 525: /* followed by u_char cmsg_data[]; */
526: };
527:
1.8 mycroft 528: /* given pointer to struct cmsghdr, return pointer to data */
1.50 itojun 529: #define CMSG_DATA(cmsg) \
1.57 christos 530: ((u_char *)(void *)(cmsg) + __CMSG_ALIGN(sizeof(struct cmsghdr)))
1.77 christos 531: #define CCMSG_DATA(cmsg) \
532: ((const u_char *)(const void *)(cmsg) + \
533: __CMSG_ALIGN(sizeof(struct cmsghdr)))
1.1 cgd 534:
1.44 itojun 535: /*
536: * Alignment requirement for CMSG struct manipulation.
1.51 itojun 537: * This basically behaves the same as ALIGN() ARCH/include/param.h.
538: * We declare it separately for two reasons:
539: * (1) avoid dependency between machine/param.h, and (2) to sync with kernel's
540: * idea of ALIGNBYTES at runtime.
541: * without (2), we can't guarantee binary compatibility in case of future
542: * changes in ALIGNBYTES.
1.44 itojun 543: */
1.100.2.1 yamt 544: #define __CMSG_ALIGN(n) (((n) + __ALIGNBYTES) & ~__ALIGNBYTES)
1.53 itojun 545: #ifdef _KERNEL
1.54 augustss 546: #define CMSG_ALIGN(n) __CMSG_ALIGN(n)
1.53 itojun 547: #endif
1.44 itojun 548:
1.8 mycroft 549: /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
1.1 cgd 550: #define CMSG_NXTHDR(mhdr, cmsg) \
1.84 christos 551: (((char *)(cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len) + \
1.53 itojun 552: __CMSG_ALIGN(sizeof(struct cmsghdr)) > \
1.84 christos 553: (((char *)(mhdr)->msg_control) + (mhdr)->msg_controllen)) ? \
1.78 kleink 554: (struct cmsghdr *)0 : \
1.100.2.1 yamt 555: (struct cmsghdr *)(void *)((char *)(cmsg) + \
1.63 kleink 556: __CMSG_ALIGN((cmsg)->cmsg_len)))
1.1 cgd 557:
1.62 itojun 558: /*
559: * RFC 2292 requires to check msg_controllen, in case that the kernel returns
560: * an empty list for some reasons.
561: */
562: #define CMSG_FIRSTHDR(mhdr) \
563: ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
564: (struct cmsghdr *)(mhdr)->msg_control : \
1.78 kleink 565: (struct cmsghdr *)0)
1.1 cgd 566:
1.53 itojun 567: #define CMSG_SPACE(l) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + __CMSG_ALIGN(l))
568: #define CMSG_LEN(l) (__CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
1.44 itojun 569:
1.1 cgd 570: /* "Socket"-level control message types: */
571: #define SCM_RIGHTS 0x01 /* access rights (array of int) */
1.67 bjh21 572: #if defined(_NETBSD_SOURCE)
1.94 christos 573: /* 0x02 timestamp (struct timeval50) */
1.42 kleink 574: #define SCM_CREDS 0x04 /* credentials (struct sockcred) */
1.94 christos 575: #define SCM_TIMESTAMP 0x08 /* timestamp (struct timeval) */
1.42 kleink 576: #endif
1.29 kleink 577:
578: /*
579: * Types of socket shutdown(2).
580: */
581: #define SHUT_RD 0 /* Disallow further receives. */
582: #define SHUT_WR 1 /* Disallow further sends. */
583: #define SHUT_RDWR 2 /* Disallow further sends/receives. */
1.1 cgd 584:
1.59 toshii 585: #include <sys/cdefs.h>
586:
1.85 dyoung 587: #ifdef _KERNEL
1.89 dyoung 588: static inline socklen_t
589: sockaddr_getlen(const struct sockaddr *sa)
590: {
591: return sa->sa_len;
592: }
593:
1.85 dyoung 594: __BEGIN_DECLS
1.88 dyoung 595: struct sockaddr *sockaddr_copy(struct sockaddr *, socklen_t,
596: const struct sockaddr *);
1.96 dyoung 597: struct sockaddr *sockaddr_externalize(struct sockaddr *, socklen_t,
598: const struct sockaddr *);
1.88 dyoung 599: struct sockaddr *sockaddr_alloc(sa_family_t, socklen_t, int);
1.89 dyoung 600: const void *sockaddr_const_addr(const struct sockaddr *, socklen_t *);
601: void *sockaddr_addr(struct sockaddr *, socklen_t *);
602: const struct sockaddr *sockaddr_any(const struct sockaddr *);
1.95 dyoung 603: const struct sockaddr *sockaddr_any_by_family(int);
1.89 dyoung 604: const void *sockaddr_anyaddr(const struct sockaddr *, socklen_t *);
1.85 dyoung 605: int sockaddr_cmp(const struct sockaddr *, const struct sockaddr *);
606: struct sockaddr *sockaddr_dup(const struct sockaddr *, int);
1.100.2.3! yamt 607: void sockaddr_format(const struct sockaddr *, char *, size_t);
1.85 dyoung 608: void sockaddr_free(struct sockaddr *);
609: __END_DECLS
610: #endif /* _KERNEL */
611:
1.12 briggs 612: #ifndef _KERNEL
1.1 cgd 613:
614: __BEGIN_DECLS
1.70 perry 615: int accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
616: int bind(int, const struct sockaddr *, socklen_t);
617: int connect(int, const struct sockaddr *, socklen_t);
618: int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
619: int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
1.84 christos 620: int getsockopt(int, int, int, void *__restrict, socklen_t * __restrict);
1.70 perry 621: int listen(int, int);
1.100 christos 622: int paccept(int, struct sockaddr * __restrict, socklen_t * __restrict,
623: const sigset_t * __restrict, int);
1.70 perry 624: ssize_t recv(int, void *, size_t, int);
1.84 christos 625: ssize_t recvfrom(int, void *__restrict, size_t, int,
1.70 perry 626: struct sockaddr * __restrict, socklen_t * __restrict);
627: ssize_t recvmsg(int, struct msghdr *, int);
628: ssize_t send(int, const void *, size_t, int);
629: ssize_t sendto(int, const void *,
630: size_t, int, const struct sockaddr *, socklen_t);
631: ssize_t sendmsg(int, const struct msghdr *, int);
632: int setsockopt(int, int, int, const void *, socklen_t);
633: int shutdown(int, int);
634: int sockatmark(int);
1.81 mrg 635: int socket(int, int, int)
1.82 mrg 636: #if !defined(__LIBC12_SOURCE__) && !defined(_STANDALONE)
1.81 mrg 637: __RENAME(__socket30)
638: #endif
639: ;
1.70 perry 640: int socketpair(int, int, int, int *);
1.100.2.2 yamt 641:
642: #if defined(_NETBSD_SOURCE)
643: int sendmmsg(int, struct mmsghdr *, unsigned int, unsigned int);
644: struct timespec;
645: int recvmmsg(int, struct mmsghdr *, unsigned int, unsigned int,
646: struct timespec *);
647: #endif
1.1 cgd 648: __END_DECLS
1.14 christos 649: #endif /* !_KERNEL */
1.1 cgd 650:
1.2 mycroft 651: #endif /* !_SYS_SOCKET_H_ */
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