Annotation of src/sys/sys/socket.h, Revision 1.123.4.1
1.123.4.1! pgoyette 1: /* $NetBSD: socket.h,v 1.124 2018/04/19 21:19:07 christos 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 */
1.116 rjs 110: #define SOCK_CONN_DGRAM 6 /* connection-orientated datagram */
111: #define SOCK_DCCP SOCK_CONN_DGRAM
1.1 cgd 112:
1.100 christos 113: #define SOCK_CLOEXEC 0x10000000 /* set close on exec on socket */
114: #define SOCK_NONBLOCK 0x20000000 /* set non blocking i/o socket */
1.105 christos 115: #define SOCK_NOSIGPIPE 0x40000000 /* don't send sigpipe */
1.100 christos 116: #define SOCK_FLAGS_MASK 0xf0000000 /* flags mask */
117:
1.1 cgd 118: /*
119: * Option flags per-socket.
120: */
121: #define SO_DEBUG 0x0001 /* turn on debugging info recording */
122: #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
123: #define SO_REUSEADDR 0x0004 /* allow local address reuse */
124: #define SO_KEEPALIVE 0x0008 /* keep connections alive */
125: #define SO_DONTROUTE 0x0010 /* just use interface addresses */
126: #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
127: #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
128: #define SO_LINGER 0x0080 /* linger on close if data present */
129: #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
1.8 mycroft 130: #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
1.94 christos 131: /* SO_OTIMESTAMP 0x0400 */
1.105 christos 132: #define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */
1.91 tls 133: #define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */
1.94 christos 134: #define SO_TIMESTAMP 0x2000 /* timestamp received dgram traffic */
1.1 cgd 135:
1.79 christos 136:
1.1 cgd 137: /*
138: * Additional options, not kept in so_options.
139: */
140: #define SO_SNDBUF 0x1001 /* send buffer size */
141: #define SO_RCVBUF 0x1002 /* receive buffer size */
142: #define SO_SNDLOWAT 0x1003 /* send low-water mark */
143: #define SO_RCVLOWAT 0x1004 /* receive low-water mark */
1.93 christos 144: /* SO_OSNDTIMEO 0x1005 */
145: /* SO_ORCVTIMEO 0x1006 */
1.1 cgd 146: #define SO_ERROR 0x1007 /* get error status and clear */
147: #define SO_TYPE 0x1008 /* get socket type */
1.69 darrenr 148: #define SO_OVERFLOWED 0x1009 /* datagrams: return packets dropped */
1.1 cgd 149:
1.89 dyoung 150: #define SO_NOHEADER 0x100a /* user supplies no header to kernel;
151: * kernel removes header and supplies
152: * payload
153: */
1.93 christos 154: #define SO_SNDTIMEO 0x100b /* send timeout */
155: #define SO_RCVTIMEO 0x100c /* receive timeout */
1.1 cgd 156: /*
157: * Structure used for manipulating linger option.
158: */
159: struct linger {
160: int l_onoff; /* option on/off */
1.28 fvdl 161: int l_linger; /* linger time in seconds */
1.1 cgd 162: };
163:
1.91 tls 164: struct accept_filter_arg {
165: char af_name[16];
166: char af_arg[256-16];
167: };
168:
1.1 cgd 169: /*
170: * Level number for (get/set)sockopt() to apply to socket itself.
171: */
172: #define SOL_SOCKET 0xffff /* options for socket level */
173:
174: /*
175: * Address families.
176: */
177: #define AF_UNSPEC 0 /* unspecified */
1.97 pooka 178: #define AF_LOCAL 1 /* local to host */
1.8 mycroft 179: #define AF_UNIX AF_LOCAL /* backward compatibility */
1.1 cgd 180: #define AF_INET 2 /* internetwork: UDP, TCP, etc. */
181: #define AF_IMPLINK 3 /* arpanet imp addresses */
182: #define AF_PUP 4 /* pup protocols: e.g. BSP */
183: #define AF_CHAOS 5 /* mit CHAOS protocols */
184: #define AF_NS 6 /* XEROX NS protocols */
185: #define AF_ISO 7 /* ISO protocols */
186: #define AF_OSI AF_ISO
187: #define AF_ECMA 8 /* european computer manufacturers */
188: #define AF_DATAKIT 9 /* datakit protocols */
189: #define AF_CCITT 10 /* CCITT protocols, X.25 etc */
190: #define AF_SNA 11 /* IBM SNA */
191: #define AF_DECnet 12 /* DECnet */
192: #define AF_DLI 13 /* DEC Direct data link interface */
193: #define AF_LAT 14 /* LAT */
194: #define AF_HYLINK 15 /* NSC Hyperchannel */
195: #define AF_APPLETALK 16 /* Apple Talk */
1.99 matt 196: #define AF_OROUTE 17 /* Internal Routing Protocol */
1.1 cgd 197: #define AF_LINK 18 /* Link layer interface */
1.67 bjh21 198: #if defined(_NETBSD_SOURCE)
1.1 cgd 199: #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
1.42 kleink 200: #endif
1.8 mycroft 201: #define AF_COIP 20 /* connection-oriented IP, aka ST II */
202: #define AF_CNT 21 /* Computer Network Technology */
1.67 bjh21 203: #if defined(_NETBSD_SOURCE)
1.8 mycroft 204: #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
1.42 kleink 205: #endif
1.8 mycroft 206: #define AF_IPX 23 /* Novell Internet Protocol */
1.21 sommerfe 207: #define AF_INET6 24 /* IP version 6 */
1.67 bjh21 208: #if defined(_NETBSD_SOURCE)
1.8 mycroft 209: #define pseudo_AF_PIP 25 /* Help Identify PIP packets */
1.42 kleink 210: #endif
1.17 chuck 211: #define AF_ISDN 26 /* Integrated Services Digital Network*/
212: #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
213: #define AF_NATM 27 /* native ATM access */
1.19 is 214: #define AF_ARP 28 /* (rev.) addr. res. prot. (RFC 826) */
1.67 bjh21 215: #if defined(_NETBSD_SOURCE)
1.21 sommerfe 216: #define pseudo_AF_KEY 29 /* Internal key management protocol */
1.31 thorpej 217: #define pseudo_AF_HDRCMPLT 30 /* Used by BPF to not rewrite hdrs
218: in interface output routine */
1.42 kleink 219: #endif
1.83 plunky 220: #define AF_BLUETOOTH 31 /* Bluetooth: HCI, SCO, L2CAP, RFCOMM */
1.90 christos 221: #define AF_IEEE80211 32 /* IEEE80211 */
1.98 kefren 222: #define AF_MPLS 33 /* MultiProtocol Label Switching */
1.99 matt 223: #define AF_ROUTE 34 /* Internal Routing Protocol */
1.122 bouyer 224: #define AF_CAN 35
225: #define AF_MAX 36
1.1 cgd 226:
227: /*
1.26 thorpej 228: * Structure used by kernel to store most
229: * addresses.
1.1 cgd 230: */
231: struct sockaddr {
1.63 kleink 232: __uint8_t sa_len; /* total length */
1.56 kleink 233: sa_family_t sa_family; /* address family */
234: char sa_data[14]; /* actually longer; address value */
1.26 thorpej 235: };
1.1 cgd 236:
1.42 kleink 237: #if defined(_KERNEL)
1.1 cgd 238: /*
239: * Structure used by kernel to pass protocol
240: * information in raw sockets.
241: */
242: struct sockproto {
243: u_short sp_family; /* address family */
244: u_short sp_protocol; /* protocol */
245: };
1.117 rtr 246:
247: /*
248: * we make the entire struct at least UCHAR_MAX + 1 in size since existing
249: * use of sockaddr_un permits a path up to 253 bytes + '\0'.
250: * sizeof(sb_len) + sizeof(sb_family) + 253 + '\0'
251: */
252: #define _SB_DATASIZE 254
253: struct sockaddr_big {
254: union {
255: struct {
256: __uint8_t sb_len;
257: sa_family_t sb_family;
258: char sb_data[_SB_DATASIZE];
259: };
260: uint64_t dummy; /* solicit natural alignment */
261: };
262: };
263:
1.42 kleink 264: #endif /* _KERNEL */
1.1 cgd 265:
1.44 itojun 266: #if 1
267: /*
268: * RFC 2553: protocol-independent placeholder for socket addresses
269: */
270: #define _SS_MAXSIZE 128
1.63 kleink 271: #define _SS_ALIGNSIZE (sizeof(__int64_t))
1.60 kleink 272: #define _SS_PAD1SIZE (_SS_ALIGNSIZE - 2)
273: #define _SS_PAD2SIZE (_SS_MAXSIZE - 2 - \
1.44 itojun 274: _SS_PAD1SIZE - _SS_ALIGNSIZE)
275:
1.67 bjh21 276: #if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
1.44 itojun 277: struct sockaddr_storage {
1.63 kleink 278: __uint8_t ss_len; /* address length */
1.56 kleink 279: sa_family_t ss_family; /* address family */
280: char __ss_pad1[_SS_PAD1SIZE];
1.63 kleink 281: __int64_t __ss_align;/* force desired structure storage alignment */
1.56 kleink 282: char __ss_pad2[_SS_PAD2SIZE];
1.44 itojun 283: };
1.89 dyoung 284: #define sstosa(__ss) ((struct sockaddr *)(__ss))
285: #define sstocsa(__ss) ((const struct sockaddr *)(__ss))
1.67 bjh21 286: #endif /* _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
1.46 kleink 287: #endif /* 1 */
1.44 itojun 288:
1.1 cgd 289: /*
290: * Protocol families, same as address families for now.
291: */
292: #define PF_UNSPEC AF_UNSPEC
1.8 mycroft 293: #define PF_LOCAL AF_LOCAL
294: #define PF_UNIX PF_LOCAL /* backward compatibility */
1.1 cgd 295: #define PF_INET AF_INET
296: #define PF_IMPLINK AF_IMPLINK
297: #define PF_PUP AF_PUP
298: #define PF_CHAOS AF_CHAOS
299: #define PF_NS AF_NS
300: #define PF_ISO AF_ISO
301: #define PF_OSI AF_ISO
302: #define PF_ECMA AF_ECMA
303: #define PF_DATAKIT AF_DATAKIT
304: #define PF_CCITT AF_CCITT
305: #define PF_SNA AF_SNA
306: #define PF_DECnet AF_DECnet
307: #define PF_DLI AF_DLI
308: #define PF_LAT AF_LAT
309: #define PF_HYLINK AF_HYLINK
310: #define PF_APPLETALK AF_APPLETALK
1.99 matt 311: #define PF_OROUTE AF_OROUTE
1.1 cgd 312: #define PF_LINK AF_LINK
1.67 bjh21 313: #if defined(_NETBSD_SOURCE)
1.1 cgd 314: #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
1.42 kleink 315: #endif
1.8 mycroft 316: #define PF_COIP AF_COIP
317: #define PF_CNT AF_CNT
1.21 sommerfe 318: #define PF_INET6 AF_INET6
1.8 mycroft 319: #define PF_IPX AF_IPX /* same format as AF_NS */
1.67 bjh21 320: #if defined(_NETBSD_SOURCE)
1.72 kleink 321: #define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */
1.8 mycroft 322: #define PF_PIP pseudo_AF_PIP
1.42 kleink 323: #endif
1.20 is 324: #define PF_ISDN AF_ISDN /* same as E164 */
325: #define PF_E164 AF_E164
1.17 chuck 326: #define PF_NATM AF_NATM
1.19 is 327: #define PF_ARP AF_ARP
1.67 bjh21 328: #if defined(_NETBSD_SOURCE)
1.21 sommerfe 329: #define PF_KEY pseudo_AF_KEY /* like PF_ROUTE, only for key mgmt */
1.42 kleink 330: #endif
1.80 gdamore 331: #define PF_BLUETOOTH AF_BLUETOOTH
1.98 kefren 332: #define PF_MPLS AF_MPLS
1.99 matt 333: #define PF_ROUTE AF_ROUTE
1.122 bouyer 334: #define PF_CAN AF_CAN
1.1 cgd 335:
336: #define PF_MAX AF_MAX
337:
1.67 bjh21 338: #if defined(_NETBSD_SOURCE)
1.63 kleink 339:
1.119 roy 340: #ifndef pid_t
341: typedef __pid_t pid_t; /* process id */
342: #define pid_t __pid_t
343: #endif
344:
1.63 kleink 345: #ifndef gid_t
346: typedef __gid_t gid_t; /* group id */
347: #define gid_t __gid_t
348: #endif
349:
350: #ifndef uid_t
351: typedef __uid_t uid_t; /* user id */
352: #define uid_t __uid_t
353: #endif
354:
1.1 cgd 355: /*
1.27 thorpej 356: * Socket credentials.
357: */
358: struct sockcred {
1.119 roy 359: pid_t sc_pid; /* process id */
1.27 thorpej 360: uid_t sc_uid; /* real user id */
361: uid_t sc_euid; /* effective user id */
362: gid_t sc_gid; /* real group id */
363: gid_t sc_egid; /* effective group id */
364: int sc_ngroups; /* number of supplemental groups */
365: gid_t sc_groups[1]; /* variable length */
366: };
367:
368: /*
369: * Compute size of a sockcred structure with groups.
370: */
371: #define SOCKCREDSIZE(ngrps) \
1.112 christos 372: (/*CONSTCOND*/sizeof(struct sockcred) + (sizeof(gid_t) * \
1.110 christos 373: ((ngrps) ? ((ngrps) - 1) : 0)))
1.67 bjh21 374: #endif /* _NETBSD_SOURCE */
1.27 thorpej 375:
1.38 kleink 376:
1.67 bjh21 377: #if defined(_NETBSD_SOURCE)
1.27 thorpej 378: /*
1.8 mycroft 379: * Definitions for network related sysctl, CTL_NET.
380: *
381: * Second level is protocol family.
382: * Third level is protocol number.
383: *
384: * Further levels are defined by the individual families below.
385: */
386: #define NET_MAXID AF_MAX
387:
388: #define CTL_NET_NAMES { \
389: { 0, 0 }, \
1.28 fvdl 390: { "local", CTLTYPE_NODE }, \
1.8 mycroft 391: { "inet", CTLTYPE_NODE }, \
392: { "implink", CTLTYPE_NODE }, \
393: { "pup", CTLTYPE_NODE }, \
394: { "chaos", CTLTYPE_NODE }, \
395: { "xerox_ns", CTLTYPE_NODE }, \
396: { "iso", CTLTYPE_NODE }, \
397: { "emca", CTLTYPE_NODE }, \
398: { "datakit", CTLTYPE_NODE }, \
399: { "ccitt", CTLTYPE_NODE }, \
400: { "ibm_sna", CTLTYPE_NODE }, \
401: { "decnet", CTLTYPE_NODE }, \
402: { "dec_dli", CTLTYPE_NODE }, \
403: { "lat", CTLTYPE_NODE }, \
404: { "hylink", CTLTYPE_NODE }, \
405: { "appletalk", CTLTYPE_NODE }, \
1.99 matt 406: { "oroute", CTLTYPE_NODE }, \
1.8 mycroft 407: { "link_layer", CTLTYPE_NODE }, \
408: { "xtp", CTLTYPE_NODE }, \
409: { "coip", CTLTYPE_NODE }, \
410: { "cnt", CTLTYPE_NODE }, \
411: { "rtip", CTLTYPE_NODE }, \
412: { "ipx", CTLTYPE_NODE }, \
1.21 sommerfe 413: { "inet6", CTLTYPE_NODE }, \
1.8 mycroft 414: { "pip", CTLTYPE_NODE }, \
1.20 is 415: { "isdn", CTLTYPE_NODE }, \
1.17 chuck 416: { "natm", CTLTYPE_NODE }, \
1.20 is 417: { "arp", CTLTYPE_NODE }, \
1.21 sommerfe 418: { "key", CTLTYPE_NODE }, \
1.99 matt 419: { "ieee80211", CTLTYPE_NODE }, \
420: { "mlps", CTLTYPE_NODE }, \
421: { "route", CTLTYPE_NODE }, \
1.8 mycroft 422: }
1.73 atatat 423:
424: struct kinfo_pcb {
1.75 tron 425: __uint64_t ki_pcbaddr; /* PTR: pcb addr */
426: __uint64_t ki_ppcbaddr; /* PTR: ppcb addr */
427: __uint64_t ki_sockaddr; /* PTR: socket addr */
428:
429: __uint32_t ki_family; /* INT: protocol family */
430: __uint32_t ki_type; /* INT: socket type */
431: __uint32_t ki_protocol; /* INT: protocol */
432: __uint32_t ki_pflags; /* INT: generic protocol flags */
433:
434: __uint32_t ki_sostate; /* INT: socket state */
435: __uint32_t ki_prstate; /* INT: protocol state */
436: __int32_t ki_tstate; /* INT: tcp state */
437: __uint32_t ki_tflags; /* INT: tcp flags */
1.73 atatat 438:
1.75 tron 439: __uint64_t ki_rcvq; /* U_LONG: receive queue len */
440: __uint64_t ki_sndq; /* U_LONG: send queue len */
1.73 atatat 441:
442: union {
443: struct sockaddr _kis_src; /* STRUCT: local address */
444: char _kis_pad[256 + 8]; /* pad to max addr length */
445: } ki_s;
446: union {
447: struct sockaddr _kid_dst; /* STRUCT: remote address */
448: char _kid_pad[256 + 8]; /* pad to max addr length */
449: } ki_d;
450:
1.75 tron 451: __uint64_t ki_inode; /* INO_T: fake inode number */
452: __uint64_t ki_vnode; /* PTR: if associated with file */
453: __uint64_t ki_conn; /* PTR: control block of peer */
454: __uint64_t ki_refs; /* PTR: referencing socket */
455: __uint64_t ki_nextref; /* PTR: link in refs list */
1.73 atatat 456: };
457:
458: #define ki_src ki_s._kis_src
459: #define ki_dst ki_d._kid_dst
1.109 christos 460: #define ki_spad ki_s._kis_pad
461: #define ki_dpad ki_d._kid_pad
1.73 atatat 462:
463: #define PCB_SLOP 20
464: #define PCB_ALL 0
465:
1.67 bjh21 466: #endif /* _NETBSD_SOURCE */
1.8 mycroft 467:
1.67 bjh21 468: #if defined(_NETBSD_SOURCE)
1.8 mycroft 469: /*
470: * PF_ROUTE - Routing table
471: *
472: * Three additional levels are defined:
473: * Fourth: address family, 0 is wildcard
474: * Fifth: type of info, defined below
475: * Sixth: flag(s) to mask with for NET_RT_FLAGS
476: */
1.120 roy 477: #define NET_RT_DUMP 1 /* dump; may limit to a.f. */
478: #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
479: #define NET_RT_OOOIFLIST 3 /* old NET_RT_IFLIST (pre 1.5) */
480: #define NET_RT_OOIFLIST 4 /* old NET_RT_IFLIST (pre-64bit time) */
481: #define NET_RT_OIFLIST 5 /* old NET_RT_IFLIST (pre 8.0) */
482: #define NET_RT_IFLIST 6 /* survey interface list */
483: #define NET_RT_MAXID 7
1.8 mycroft 484:
485: #define CTL_NET_RT_NAMES { \
486: { 0, 0 }, \
487: { "dump", CTLTYPE_STRUCT }, \
488: { "flags", CTLTYPE_STRUCT }, \
1.47 bouyer 489: { 0, 0 }, \
1.92 christos 490: { 0, 0 }, \
1.8 mycroft 491: { "iflist", CTLTYPE_STRUCT }, \
492: }
1.67 bjh21 493: #endif /* _NETBSD_SOURCE */
1.8 mycroft 494:
495: /*
1.13 mycroft 496: * Maximum queue length specifiable by listen(2).
1.1 cgd 497: */
1.66 christos 498: #ifndef SOMAXCONN
1.13 mycroft 499: #define SOMAXCONN 128
1.66 christos 500: #endif
1.16 neil 501:
1.115 christos 502: #include <sys/cdefs.h>
503:
1.1 cgd 504: /*
505: * Message header for recvmsg and sendmsg calls.
506: * Used value-result for recvmsg, value only for sendmsg.
507: */
508: struct msghdr {
1.42 kleink 509: void *msg_name; /* optional address */
510: socklen_t msg_namelen; /* size of address */
511: struct iovec *msg_iov; /* scatter/gather array */
512: int msg_iovlen; /* # elements in msg_iov */
513: void *msg_control; /* ancillary data, see below */
514: socklen_t msg_controllen; /* ancillary data buffer len */
515: int msg_flags; /* flags on received message */
1.1 cgd 516: };
517:
1.79 christos 518: #define MSG_OOB 0x0001 /* process out-of-band data */
519: #define MSG_PEEK 0x0002 /* peek at incoming message */
520: #define MSG_DONTROUTE 0x0004 /* send without using routing tables */
521: #define MSG_EOR 0x0008 /* data completes record */
522: #define MSG_TRUNC 0x0010 /* data discarded before delivery */
523: #define MSG_CTRUNC 0x0020 /* control data lost before delivery */
524: #define MSG_WAITALL 0x0040 /* wait for full request or error */
525: #define MSG_DONTWAIT 0x0080 /* this message should be nonblocking */
526: #define MSG_BCAST 0x0100 /* this message was rcvd using link-level brdcst */
527: #define MSG_MCAST 0x0200 /* this message was rcvd using link-level mcast */
528: #define MSG_NOSIGNAL 0x0400 /* do not generate SIGPIPE on EOF */
1.100 christos 529: #if defined(_NETBSD_SOURCE)
530: #define MSG_CMSG_CLOEXEC 0x0800 /* close on exec receiving fd */
1.101 christos 531: #define MSG_NBIO 0x1000 /* use non-blocking I/O */
1.107 christos 532: #define MSG_WAITFORONE 0x2000 /* recvmmsg() wait for one message */
1.118 rjs 533: #define MSG_NOTIFICATION 0x4000 /* SCTP notification */
1.107 christos 534:
535: struct mmsghdr {
536: struct msghdr msg_hdr;
537: unsigned int msg_len;
538: };
1.100 christos 539: #endif
1.1 cgd 540:
1.86 dsl 541: /* Extra flags used internally only */
542: #define MSG_USERFLAGS 0x0ffffff
543: #define MSG_NAMEMBUF 0x1000000 /* msg_name is an mbuf */
544: #define MSG_CONTROLMBUF 0x2000000 /* msg_control is an mbuf */
545: #define MSG_IOVUSRSPACE 0x4000000 /* msg_iov is in user space */
1.87 dsl 546: #define MSG_LENUSRSPACE 0x8000000 /* address length is in user space */
1.86 dsl 547:
1.1 cgd 548: /*
549: * Header for ancillary data objects in msg_control buffer.
550: * Used for additional information with/about a datagram
551: * not expressible by flags. The format is a sequence
552: * of message elements headed by cmsghdr structures.
553: */
554: struct cmsghdr {
1.42 kleink 555: socklen_t cmsg_len; /* data byte count, including hdr */
556: int cmsg_level; /* originating protocol */
557: int cmsg_type; /* protocol-specific type */
1.1 cgd 558: /* followed by u_char cmsg_data[]; */
559: };
560:
1.44 itojun 561: /*
562: * Alignment requirement for CMSG struct manipulation.
1.51 itojun 563: * This basically behaves the same as ALIGN() ARCH/include/param.h.
564: * We declare it separately for two reasons:
565: * (1) avoid dependency between machine/param.h, and (2) to sync with kernel's
566: * idea of ALIGNBYTES at runtime.
567: * without (2), we can't guarantee binary compatibility in case of future
568: * changes in ALIGNBYTES.
1.44 itojun 569: */
1.104 joerg 570: #define __CMSG_ALIGN(n) (((n) + __ALIGNBYTES) & ~__ALIGNBYTES)
1.115 christos 571:
1.102 joerg 572: #ifdef _KERNEL
573: #define CMSG_ALIGN(n) __CMSG_ALIGN(n)
1.53 itojun 574: #endif
1.44 itojun 575:
1.115 christos 576: #define __CMSG_ASIZE __CMSG_ALIGN(sizeof(struct cmsghdr))
577: #define __CMSG_MSGNEXT(cmsg) \
578: (__CASTV(char *, cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len))
579: #define __CMSG_MSGEND(mhdr) \
580: (__CASTV(char *, (mhdr)->msg_control) + (mhdr)->msg_controllen)
581:
582: /* given pointer to struct cmsghdr, return pointer to data */
583: #define CMSG_DATA(cmsg) (__CASTV(u_char *, cmsg) + __CMSG_ASIZE)
584: #define CCMSG_DATA(cmsg) (__CASTCV(const u_char *, cmsg) + __CMSG_ASIZE)
585:
1.8 mycroft 586: /* given pointer to struct cmsghdr, return pointer to next cmsghdr */
1.1 cgd 587: #define CMSG_NXTHDR(mhdr, cmsg) \
1.115 christos 588: __CASTV(struct cmsghdr *, \
589: __CMSG_MSGNEXT(cmsg) + __CMSG_ASIZE > __CMSG_MSGEND(mhdr) ? 0 : \
590: __CMSG_MSGNEXT(cmsg))
1.1 cgd 591:
1.62 itojun 592: /*
593: * RFC 2292 requires to check msg_controllen, in case that the kernel returns
594: * an empty list for some reasons.
595: */
596: #define CMSG_FIRSTHDR(mhdr) \
1.115 christos 597: __CASTV(struct cmsghdr *, \
598: (mhdr)->msg_controllen < sizeof(struct cmsghdr) ? 0 : \
599: (mhdr)->msg_control)
1.1 cgd 600:
1.115 christos 601: #define CMSG_SPACE(l) (__CMSG_ASIZE + __CMSG_ALIGN(l))
602: #define CMSG_LEN(l) (__CMSG_ASIZE + (l))
1.44 itojun 603:
1.1 cgd 604: /* "Socket"-level control message types: */
605: #define SCM_RIGHTS 0x01 /* access rights (array of int) */
1.67 bjh21 606: #if defined(_NETBSD_SOURCE)
1.119 roy 607: /* 0x02 timestamp (struct timeval50) */
608: /* 0x04 credentials (struct sockcred70) */
1.94 christos 609: #define SCM_TIMESTAMP 0x08 /* timestamp (struct timeval) */
1.119 roy 610: #define SCM_CREDS 0x10 /* credentials (struct sockcred) */
1.42 kleink 611: #endif
1.29 kleink 612:
613: /*
614: * Types of socket shutdown(2).
615: */
616: #define SHUT_RD 0 /* Disallow further receives. */
617: #define SHUT_WR 1 /* Disallow further sends. */
618: #define SHUT_RDWR 2 /* Disallow further sends/receives. */
1.1 cgd 619:
1.85 dyoung 620: #ifdef _KERNEL
1.123.4.1! pgoyette 621: static __inline socklen_t
1.89 dyoung 622: sockaddr_getlen(const struct sockaddr *sa)
623: {
624: return sa->sa_len;
625: }
626:
1.85 dyoung 627: __BEGIN_DECLS
1.123 christos 628: socklen_t sockaddr_getsize_by_family(sa_family_t);
1.88 dyoung 629: struct sockaddr *sockaddr_copy(struct sockaddr *, socklen_t,
630: const struct sockaddr *);
1.96 dyoung 631: struct sockaddr *sockaddr_externalize(struct sockaddr *, socklen_t,
632: const struct sockaddr *);
1.88 dyoung 633: struct sockaddr *sockaddr_alloc(sa_family_t, socklen_t, int);
1.89 dyoung 634: const void *sockaddr_const_addr(const struct sockaddr *, socklen_t *);
635: void *sockaddr_addr(struct sockaddr *, socklen_t *);
636: const struct sockaddr *sockaddr_any(const struct sockaddr *);
1.123 christos 637: const struct sockaddr *sockaddr_any_by_family(sa_family_t);
1.89 dyoung 638: const void *sockaddr_anyaddr(const struct sockaddr *, socklen_t *);
1.85 dyoung 639: int sockaddr_cmp(const struct sockaddr *, const struct sockaddr *);
640: struct sockaddr *sockaddr_dup(const struct sockaddr *, int);
1.111 christos 641: int sockaddr_format(const struct sockaddr *, char *, size_t);
1.85 dyoung 642: void sockaddr_free(struct sockaddr *);
643: __END_DECLS
644: #endif /* _KERNEL */
645:
1.12 briggs 646: #ifndef _KERNEL
1.1 cgd 647:
648: __BEGIN_DECLS
1.70 perry 649: int accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
1.121 maya 650: int accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int);
1.70 perry 651: int bind(int, const struct sockaddr *, socklen_t);
652: int connect(int, const struct sockaddr *, socklen_t);
653: int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
654: int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
1.84 christos 655: int getsockopt(int, int, int, void *__restrict, socklen_t * __restrict);
1.70 perry 656: int listen(int, int);
1.100 christos 657: int paccept(int, struct sockaddr * __restrict, socklen_t * __restrict,
658: const sigset_t * __restrict, int);
1.70 perry 659: ssize_t recv(int, void *, size_t, int);
1.84 christos 660: ssize_t recvfrom(int, void *__restrict, size_t, int,
1.70 perry 661: struct sockaddr * __restrict, socklen_t * __restrict);
662: ssize_t recvmsg(int, struct msghdr *, int);
663: ssize_t send(int, const void *, size_t, int);
664: ssize_t sendto(int, const void *,
665: size_t, int, const struct sockaddr *, socklen_t);
666: ssize_t sendmsg(int, const struct msghdr *, int);
667: int setsockopt(int, int, int, const void *, socklen_t);
668: int shutdown(int, int);
669: int sockatmark(int);
1.81 mrg 670: int socket(int, int, int)
1.82 mrg 671: #if !defined(__LIBC12_SOURCE__) && !defined(_STANDALONE)
1.81 mrg 672: __RENAME(__socket30)
673: #endif
674: ;
1.70 perry 675: int socketpair(int, int, int, int *);
1.107 christos 676:
677: #if defined(_NETBSD_SOURCE)
678: int sendmmsg(int, struct mmsghdr *, unsigned int, unsigned int);
679: struct timespec;
680: int recvmmsg(int, struct mmsghdr *, unsigned int, unsigned int,
681: struct timespec *);
682: #endif
1.1 cgd 683: __END_DECLS
1.14 christos 684: #endif /* !_KERNEL */
1.1 cgd 685:
1.2 mycroft 686: #endif /* !_SYS_SOCKET_H_ */
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