| 1 | /* $NetBSD: socket.h,v 1.120 2016/09/21 10:50:23 roy Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
| 5 | * All rights reserved. |
| 6 | * |
| 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. |
| 18 | * |
| 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 | */ |
| 31 | |
| 32 | /* |
| 33 | * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994 |
| 34 | * The Regents of the University of California. All rights reserved. |
| 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. |
| 44 | * 3. Neither the name of the University nor the names of its contributors |
| 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 | * |
| 60 | * @(#)socket.h 8.6 (Berkeley) 5/3/95 |
| 61 | */ |
| 62 | |
| 63 | #ifndef _SYS_SOCKET_H_ |
| 64 | #define _SYS_SOCKET_H_ |
| 65 | |
| 66 | #include <sys/featuretest.h> |
| 67 | |
| 68 | /* |
| 69 | * Definitions related to sockets: types, address families, options. |
| 70 | */ |
| 71 | |
| 72 | /* |
| 73 | * Data types. |
| 74 | */ |
| 75 | #include <sys/ansi.h> |
| 76 | |
| 77 | #ifndef sa_family_t |
| 78 | typedef __sa_family_t sa_family_t; |
| 79 | #define sa_family_t __sa_family_t |
| 80 | #endif |
| 81 | |
| 82 | #ifndef socklen_t |
| 83 | typedef __socklen_t socklen_t; |
| 84 | #define socklen_t __socklen_t |
| 85 | #endif |
| 86 | |
| 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> |
| 100 | #include <sys/sigtypes.h> |
| 101 | |
| 102 | /* |
| 103 | * Socket types. |
| 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 | #define SOCK_CONN_DGRAM 6 /* connection-orientated datagram */ |
| 111 | #define SOCK_DCCP SOCK_CONN_DGRAM |
| 112 | |
| 113 | #define SOCK_CLOEXEC 0x10000000 /* set close on exec on socket */ |
| 114 | #define SOCK_NONBLOCK 0x20000000 /* set non blocking i/o socket */ |
| 115 | #define SOCK_NOSIGPIPE 0x40000000 /* don't send sigpipe */ |
| 116 | #define SOCK_FLAGS_MASK 0xf0000000 /* flags mask */ |
| 117 | |
| 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 */ |
| 130 | #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */ |
| 131 | /* SO_OTIMESTAMP 0x0400 */ |
| 132 | #define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */ |
| 133 | #define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */ |
| 134 | #define SO_TIMESTAMP 0x2000 /* timestamp received dgram traffic */ |
| 135 | |
| 136 | |
| 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 */ |
| 144 | /* SO_OSNDTIMEO 0x1005 */ |
| 145 | /* SO_ORCVTIMEO 0x1006 */ |
| 146 | #define SO_ERROR 0x1007 /* get error status and clear */ |
| 147 | #define SO_TYPE 0x1008 /* get socket type */ |
| 148 | #define SO_OVERFLOWED 0x1009 /* datagrams: return packets dropped */ |
| 149 | |
| 150 | #define 0x100a /* user supplies no header to kernel; |
| 151 | * kernel removes header and supplies |
| 152 | * payload |
| 153 | */ |
| 154 | #define SO_SNDTIMEO 0x100b /* send timeout */ |
| 155 | #define SO_RCVTIMEO 0x100c /* receive timeout */ |
| 156 | /* |
| 157 | * Structure used for manipulating linger option. |
| 158 | */ |
| 159 | struct linger { |
| 160 | int l_onoff; /* option on/off */ |
| 161 | int l_linger; /* linger time in seconds */ |
| 162 | }; |
| 163 | |
| 164 | struct accept_filter_arg { |
| 165 | char af_name[16]; |
| 166 | char af_arg[256-16]; |
| 167 | }; |
| 168 | |
| 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 */ |
| 178 | #define AF_LOCAL 1 /* local to host */ |
| 179 | #define AF_UNIX AF_LOCAL /* backward compatibility */ |
| 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 */ |
| 196 | #define AF_OROUTE 17 /* Internal Routing Protocol */ |
| 197 | #define AF_LINK 18 /* Link layer interface */ |
| 198 | #if defined(_NETBSD_SOURCE) |
| 199 | #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */ |
| 200 | #endif |
| 201 | #define AF_COIP 20 /* connection-oriented IP, aka ST II */ |
| 202 | #define AF_CNT 21 /* Computer Network Technology */ |
| 203 | #if defined(_NETBSD_SOURCE) |
| 204 | #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */ |
| 205 | #endif |
| 206 | #define AF_IPX 23 /* Novell Internet Protocol */ |
| 207 | #define AF_INET6 24 /* IP version 6 */ |
| 208 | #if defined(_NETBSD_SOURCE) |
| 209 | #define pseudo_AF_PIP 25 /* Help Identify PIP packets */ |
| 210 | #endif |
| 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 */ |
| 214 | #define AF_ARP 28 /* (rev.) addr. res. prot. (RFC 826) */ |
| 215 | #if defined(_NETBSD_SOURCE) |
| 216 | #define pseudo_AF_KEY 29 /* Internal key management protocol */ |
| 217 | #define pseudo_AF_HDRCMPLT 30 /* Used by BPF to not rewrite hdrs |
| 218 | in interface output routine */ |
| 219 | #endif |
| 220 | #define AF_BLUETOOTH 31 /* Bluetooth: HCI, SCO, L2CAP, RFCOMM */ |
| 221 | #define AF_IEEE80211 32 /* IEEE80211 */ |
| 222 | #define AF_MPLS 33 /* MultiProtocol Label Switching */ |
| 223 | #define AF_ROUTE 34 /* Internal Routing Protocol */ |
| 224 | #define AF_MAX 35 |
| 225 | |
| 226 | /* |
| 227 | * Structure used by kernel to store most |
| 228 | * addresses. |
| 229 | */ |
| 230 | struct sockaddr { |
| 231 | __uint8_t sa_len; /* total length */ |
| 232 | sa_family_t sa_family; /* address family */ |
| 233 | char sa_data[14]; /* actually longer; address value */ |
| 234 | }; |
| 235 | |
| 236 | #if defined(_KERNEL) |
| 237 | /* |
| 238 | * Structure used by kernel to pass protocol |
| 239 | * information in raw sockets. |
| 240 | */ |
| 241 | struct sockproto { |
| 242 | u_short sp_family; /* address family */ |
| 243 | u_short sp_protocol; /* protocol */ |
| 244 | }; |
| 245 | |
| 246 | /* |
| 247 | * we make the entire struct at least UCHAR_MAX + 1 in size since existing |
| 248 | * use of sockaddr_un permits a path up to 253 bytes + '\0'. |
| 249 | * sizeof(sb_len) + sizeof(sb_family) + 253 + '\0' |
| 250 | */ |
| 251 | #define _SB_DATASIZE 254 |
| 252 | struct sockaddr_big { |
| 253 | union { |
| 254 | struct { |
| 255 | __uint8_t sb_len; |
| 256 | sa_family_t sb_family; |
| 257 | char sb_data[_SB_DATASIZE]; |
| 258 | }; |
| 259 | uint64_t dummy; /* solicit natural alignment */ |
| 260 | }; |
| 261 | }; |
| 262 | |
| 263 | #endif /* _KERNEL */ |
| 264 | |
| 265 | #if 1 |
| 266 | /* |
| 267 | * RFC 2553: protocol-independent placeholder for socket addresses |
| 268 | */ |
| 269 | #define _SS_MAXSIZE 128 |
| 270 | #define _SS_ALIGNSIZE (sizeof(__int64_t)) |
| 271 | #define _SS_PAD1SIZE (_SS_ALIGNSIZE - 2) |
| 272 | #define _SS_PAD2SIZE (_SS_MAXSIZE - 2 - \ |
| 273 | _SS_PAD1SIZE - _SS_ALIGNSIZE) |
| 274 | |
| 275 | #if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) |
| 276 | struct sockaddr_storage { |
| 277 | __uint8_t ss_len; /* address length */ |
| 278 | sa_family_t ss_family; /* address family */ |
| 279 | char __ss_pad1[_SS_PAD1SIZE]; |
| 280 | __int64_t __ss_align;/* force desired structure storage alignment */ |
| 281 | char __ss_pad2[_SS_PAD2SIZE]; |
| 282 | }; |
| 283 | #define sstosa(__ss) ((struct sockaddr *)(__ss)) |
| 284 | #define sstocsa(__ss) ((const struct sockaddr *)(__ss)) |
| 285 | #endif /* _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ |
| 286 | #endif /* 1 */ |
| 287 | |
| 288 | /* |
| 289 | * Protocol families, same as address families for now. |
| 290 | */ |
| 291 | #define PF_UNSPEC AF_UNSPEC |
| 292 | #define PF_LOCAL AF_LOCAL |
| 293 | #define PF_UNIX PF_LOCAL /* backward compatibility */ |
| 294 | #define PF_INET AF_INET |
| 295 | #define PF_IMPLINK AF_IMPLINK |
| 296 | #define PF_PUP AF_PUP |
| 297 | #define PF_CHAOS AF_CHAOS |
| 298 | #define PF_NS AF_NS |
| 299 | #define PF_ISO AF_ISO |
| 300 | #define PF_OSI AF_ISO |
| 301 | #define PF_ECMA AF_ECMA |
| 302 | #define PF_DATAKIT AF_DATAKIT |
| 303 | #define PF_CCITT AF_CCITT |
| 304 | #define PF_SNA AF_SNA |
| 305 | #define PF_DECnet AF_DECnet |
| 306 | #define PF_DLI AF_DLI |
| 307 | #define PF_LAT AF_LAT |
| 308 | #define PF_HYLINK AF_HYLINK |
| 309 | #define PF_APPLETALK AF_APPLETALK |
| 310 | #define PF_OROUTE AF_OROUTE |
| 311 | #define PF_LINK AF_LINK |
| 312 | #if defined(_NETBSD_SOURCE) |
| 313 | #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */ |
| 314 | #endif |
| 315 | #define PF_COIP AF_COIP |
| 316 | #define PF_CNT AF_CNT |
| 317 | #define PF_INET6 AF_INET6 |
| 318 | #define PF_IPX AF_IPX /* same format as AF_NS */ |
| 319 | #if defined(_NETBSD_SOURCE) |
| 320 | #define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */ |
| 321 | #define PF_PIP pseudo_AF_PIP |
| 322 | #endif |
| 323 | #define PF_ISDN AF_ISDN /* same as E164 */ |
| 324 | #define PF_E164 AF_E164 |
| 325 | #define PF_NATM AF_NATM |
| 326 | #define PF_ARP AF_ARP |
| 327 | #if defined(_NETBSD_SOURCE) |
| 328 | #define PF_KEY pseudo_AF_KEY /* like PF_ROUTE, only for key mgmt */ |
| 329 | #endif |
| 330 | #define PF_BLUETOOTH AF_BLUETOOTH |
| 331 | #define PF_MPLS AF_MPLS |
| 332 | #define PF_ROUTE AF_ROUTE |
| 333 | |
| 334 | #define PF_MAX AF_MAX |
| 335 | |
| 336 | #if defined(_NETBSD_SOURCE) |
| 337 | |
| 338 | #ifndef pid_t |
| 339 | typedef __pid_t pid_t; /* process id */ |
| 340 | #define pid_t __pid_t |
| 341 | #endif |
| 342 | |
| 343 | #ifndef gid_t |
| 344 | typedef __gid_t gid_t; /* group id */ |
| 345 | #define gid_t __gid_t |
| 346 | #endif |
| 347 | |
| 348 | #ifndef uid_t |
| 349 | typedef __uid_t uid_t; /* user id */ |
| 350 | #define uid_t __uid_t |
| 351 | #endif |
| 352 | |
| 353 | /* |
| 354 | * Socket credentials. |
| 355 | */ |
| 356 | struct sockcred { |
| 357 | pid_t sc_pid; /* process id */ |
| 358 | uid_t sc_uid; /* real user id */ |
| 359 | uid_t sc_euid; /* effective user id */ |
| 360 | gid_t sc_gid; /* real group id */ |
| 361 | gid_t sc_egid; /* effective group id */ |
| 362 | int sc_ngroups; /* number of supplemental groups */ |
| 363 | gid_t sc_groups[1]; /* variable length */ |
| 364 | }; |
| 365 | |
| 366 | /* |
| 367 | * Compute size of a sockcred structure with groups. |
| 368 | */ |
| 369 | #define SOCKCREDSIZE(ngrps) \ |
| 370 | (/*CONSTCOND*/sizeof(struct sockcred) + (sizeof(gid_t) * \ |
| 371 | ((ngrps) ? ((ngrps) - 1) : 0))) |
| 372 | #endif /* _NETBSD_SOURCE */ |
| 373 | |
| 374 | |
| 375 | #if defined(_NETBSD_SOURCE) |
| 376 | /* |
| 377 | * Definitions for network related sysctl, CTL_NET. |
| 378 | * |
| 379 | * Second level is protocol family. |
| 380 | * Third level is protocol number. |
| 381 | * |
| 382 | * Further levels are defined by the individual families below. |
| 383 | */ |
| 384 | #define NET_MAXID AF_MAX |
| 385 | |
| 386 | #define CTL_NET_NAMES { \ |
| 387 | { 0, 0 }, \ |
| 388 | { "local", CTLTYPE_NODE }, \ |
| 389 | { "inet", CTLTYPE_NODE }, \ |
| 390 | { "implink", CTLTYPE_NODE }, \ |
| 391 | { "pup", CTLTYPE_NODE }, \ |
| 392 | { "chaos", CTLTYPE_NODE }, \ |
| 393 | { "xerox_ns", CTLTYPE_NODE }, \ |
| 394 | { "iso", CTLTYPE_NODE }, \ |
| 395 | { "emca", CTLTYPE_NODE }, \ |
| 396 | { "datakit", CTLTYPE_NODE }, \ |
| 397 | { "ccitt", CTLTYPE_NODE }, \ |
| 398 | { "ibm_sna", CTLTYPE_NODE }, \ |
| 399 | { "decnet", CTLTYPE_NODE }, \ |
| 400 | { "dec_dli", CTLTYPE_NODE }, \ |
| 401 | { "lat", CTLTYPE_NODE }, \ |
| 402 | { "hylink", CTLTYPE_NODE }, \ |
| 403 | { "appletalk", CTLTYPE_NODE }, \ |
| 404 | { "oroute", CTLTYPE_NODE }, \ |
| 405 | { "link_layer", CTLTYPE_NODE }, \ |
| 406 | { "xtp", CTLTYPE_NODE }, \ |
| 407 | { "coip", CTLTYPE_NODE }, \ |
| 408 | { "cnt", CTLTYPE_NODE }, \ |
| 409 | { "rtip", CTLTYPE_NODE }, \ |
| 410 | { "ipx", CTLTYPE_NODE }, \ |
| 411 | { "inet6", CTLTYPE_NODE }, \ |
| 412 | { "pip", CTLTYPE_NODE }, \ |
| 413 | { "isdn", CTLTYPE_NODE }, \ |
| 414 | { "natm", CTLTYPE_NODE }, \ |
| 415 | { "arp", CTLTYPE_NODE }, \ |
| 416 | { "key", CTLTYPE_NODE }, \ |
| 417 | { "ieee80211", CTLTYPE_NODE }, \ |
| 418 | { "mlps", CTLTYPE_NODE }, \ |
| 419 | { "route", CTLTYPE_NODE }, \ |
| 420 | } |
| 421 | |
| 422 | struct kinfo_pcb { |
| 423 | __uint64_t ki_pcbaddr; /* PTR: pcb addr */ |
| 424 | __uint64_t ki_ppcbaddr; /* PTR: ppcb addr */ |
| 425 | __uint64_t ki_sockaddr; /* PTR: socket addr */ |
| 426 | |
| 427 | __uint32_t ki_family; /* INT: protocol family */ |
| 428 | __uint32_t ki_type; /* INT: socket type */ |
| 429 | __uint32_t ki_protocol; /* INT: protocol */ |
| 430 | __uint32_t ki_pflags; /* INT: generic protocol flags */ |
| 431 | |
| 432 | __uint32_t ki_sostate; /* INT: socket state */ |
| 433 | __uint32_t ki_prstate; /* INT: protocol state */ |
| 434 | __int32_t ki_tstate; /* INT: tcp state */ |
| 435 | __uint32_t ki_tflags; /* INT: tcp flags */ |
| 436 | |
| 437 | __uint64_t ki_rcvq; /* U_LONG: receive queue len */ |
| 438 | __uint64_t ki_sndq; /* U_LONG: send queue len */ |
| 439 | |
| 440 | union { |
| 441 | struct sockaddr _kis_src; /* STRUCT: local address */ |
| 442 | char _kis_pad[256 + 8]; /* pad to max addr length */ |
| 443 | } ki_s; |
| 444 | union { |
| 445 | struct sockaddr _kid_dst; /* STRUCT: remote address */ |
| 446 | char _kid_pad[256 + 8]; /* pad to max addr length */ |
| 447 | } ki_d; |
| 448 | |
| 449 | __uint64_t ki_inode; /* INO_T: fake inode number */ |
| 450 | __uint64_t ki_vnode; /* PTR: if associated with file */ |
| 451 | __uint64_t ki_conn; /* PTR: control block of peer */ |
| 452 | __uint64_t ki_refs; /* PTR: referencing socket */ |
| 453 | __uint64_t ki_nextref; /* PTR: link in refs list */ |
| 454 | }; |
| 455 | |
| 456 | #define ki_src ki_s._kis_src |
| 457 | #define ki_dst ki_d._kid_dst |
| 458 | #define ki_spad ki_s._kis_pad |
| 459 | #define ki_dpad ki_d._kid_pad |
| 460 | |
| 461 | #define PCB_SLOP 20 |
| 462 | #define PCB_ALL 0 |
| 463 | |
| 464 | #endif /* _NETBSD_SOURCE */ |
| 465 | |
| 466 | #if defined(_NETBSD_SOURCE) |
| 467 | /* |
| 468 | * PF_ROUTE - Routing table |
| 469 | * |
| 470 | * Three additional levels are defined: |
| 471 | * Fourth: address family, 0 is wildcard |
| 472 | * Fifth: type of info, defined below |
| 473 | * Sixth: flag(s) to mask with for NET_RT_FLAGS |
| 474 | */ |
| 475 | #define NET_RT_DUMP 1 /* dump; may limit to a.f. */ |
| 476 | #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */ |
| 477 | #define NET_RT_OOOIFLIST 3 /* old NET_RT_IFLIST (pre 1.5) */ |
| 478 | #define NET_RT_OOIFLIST 4 /* old NET_RT_IFLIST (pre-64bit time) */ |
| 479 | #define NET_RT_OIFLIST 5 /* old NET_RT_IFLIST (pre 8.0) */ |
| 480 | #define NET_RT_IFLIST 6 /* survey interface list */ |
| 481 | #define NET_RT_MAXID 7 |
| 482 | |
| 483 | #define CTL_NET_RT_NAMES { \ |
| 484 | { 0, 0 }, \ |
| 485 | { "dump", CTLTYPE_STRUCT }, \ |
| 486 | { "flags", CTLTYPE_STRUCT }, \ |
| 487 | { 0, 0 }, \ |
| 488 | { 0, 0 }, \ |
| 489 | { "iflist", CTLTYPE_STRUCT }, \ |
| 490 | } |
| 491 | #endif /* _NETBSD_SOURCE */ |
| 492 | |
| 493 | /* |
| 494 | * Maximum queue length specifiable by listen(2). |
| 495 | */ |
| 496 | #ifndef SOMAXCONN |
| 497 | #define SOMAXCONN 128 |
| 498 | #endif |
| 499 | |
| 500 | #include <sys/cdefs.h> |
| 501 | |
| 502 | /* |
| 503 | * Message header for recvmsg and sendmsg calls. |
| 504 | * Used value-result for recvmsg, value only for sendmsg. |
| 505 | */ |
| 506 | struct msghdr { |
| 507 | void *msg_name; /* optional address */ |
| 508 | socklen_t msg_namelen; /* size of address */ |
| 509 | struct iovec *msg_iov; /* scatter/gather array */ |
| 510 | int msg_iovlen; /* # elements in msg_iov */ |
| 511 | void *msg_control; /* ancillary data, see below */ |
| 512 | socklen_t msg_controllen; /* ancillary data buffer len */ |
| 513 | int msg_flags; /* flags on received message */ |
| 514 | }; |
| 515 | |
| 516 | #define MSG_OOB 0x0001 /* process out-of-band data */ |
| 517 | #define MSG_PEEK 0x0002 /* peek at incoming message */ |
| 518 | #define MSG_DONTROUTE 0x0004 /* send without using routing tables */ |
| 519 | #define MSG_EOR 0x0008 /* data completes record */ |
| 520 | #define MSG_TRUNC 0x0010 /* data discarded before delivery */ |
| 521 | #define MSG_CTRUNC 0x0020 /* control data lost before delivery */ |
| 522 | #define MSG_WAITALL 0x0040 /* wait for full request or error */ |
| 523 | #define MSG_DONTWAIT 0x0080 /* this message should be nonblocking */ |
| 524 | #define MSG_BCAST 0x0100 /* this message was rcvd using link-level brdcst */ |
| 525 | #define MSG_MCAST 0x0200 /* this message was rcvd using link-level mcast */ |
| 526 | #define MSG_NOSIGNAL 0x0400 /* do not generate SIGPIPE on EOF */ |
| 527 | #if defined(_NETBSD_SOURCE) |
| 528 | #define MSG_CMSG_CLOEXEC 0x0800 /* close on exec receiving fd */ |
| 529 | #define MSG_NBIO 0x1000 /* use non-blocking I/O */ |
| 530 | #define MSG_WAITFORONE 0x2000 /* recvmmsg() wait for one message */ |
| 531 | #define MSG_NOTIFICATION 0x4000 /* SCTP notification */ |
| 532 | |
| 533 | struct mmsghdr { |
| 534 | struct msghdr msg_hdr; |
| 535 | unsigned int msg_len; |
| 536 | }; |
| 537 | #endif |
| 538 | |
| 539 | /* Extra flags used internally only */ |
| 540 | #define MSG_USERFLAGS 0x0ffffff |
| 541 | #define MSG_NAMEMBUF 0x1000000 /* msg_name is an mbuf */ |
| 542 | #define MSG_CONTROLMBUF 0x2000000 /* msg_control is an mbuf */ |
| 543 | #define MSG_IOVUSRSPACE 0x4000000 /* msg_iov is in user space */ |
| 544 | #define MSG_LENUSRSPACE 0x8000000 /* address length is in user space */ |
| 545 | |
| 546 | /* |
| 547 | * Header for ancillary data objects in msg_control buffer. |
| 548 | * Used for additional information with/about a datagram |
| 549 | * not expressible by flags. The format is a sequence |
| 550 | * of message elements headed by cmsghdr structures. |
| 551 | */ |
| 552 | struct cmsghdr { |
| 553 | socklen_t cmsg_len; /* data byte count, including hdr */ |
| 554 | int cmsg_level; /* originating protocol */ |
| 555 | int cmsg_type; /* protocol-specific type */ |
| 556 | /* followed by u_char cmsg_data[]; */ |
| 557 | }; |
| 558 | |
| 559 | /* |
| 560 | * Alignment requirement for CMSG struct manipulation. |
| 561 | * This basically behaves the same as ALIGN() ARCH/include/param.h. |
| 562 | * We declare it separately for two reasons: |
| 563 | * (1) avoid dependency between machine/param.h, and (2) to sync with kernel's |
| 564 | * idea of ALIGNBYTES at runtime. |
| 565 | * without (2), we can't guarantee binary compatibility in case of future |
| 566 | * changes in ALIGNBYTES. |
| 567 | */ |
| 568 | #define __CMSG_ALIGN(n) (((n) + __ALIGNBYTES) & ~__ALIGNBYTES) |
| 569 | |
| 570 | #ifdef _KERNEL |
| 571 | #define CMSG_ALIGN(n) __CMSG_ALIGN(n) |
| 572 | #endif |
| 573 | |
| 574 | #define __CMSG_ASIZE __CMSG_ALIGN(sizeof(struct cmsghdr)) |
| 575 | #define __CMSG_MSGNEXT(cmsg) \ |
| 576 | (__CASTV(char *, cmsg) + __CMSG_ALIGN((cmsg)->cmsg_len)) |
| 577 | #define __CMSG_MSGEND(mhdr) \ |
| 578 | (__CASTV(char *, (mhdr)->msg_control) + (mhdr)->msg_controllen) |
| 579 | |
| 580 | /* given pointer to struct cmsghdr, return pointer to data */ |
| 581 | #define CMSG_DATA(cmsg) (__CASTV(u_char *, cmsg) + __CMSG_ASIZE) |
| 582 | #define CCMSG_DATA(cmsg) (__CASTCV(const u_char *, cmsg) + __CMSG_ASIZE) |
| 583 | |
| 584 | /* given pointer to struct cmsghdr, return pointer to next cmsghdr */ |
| 585 | #define CMSG_NXTHDR(mhdr, cmsg) \ |
| 586 | __CASTV(struct cmsghdr *, \ |
| 587 | __CMSG_MSGNEXT(cmsg) + __CMSG_ASIZE > __CMSG_MSGEND(mhdr) ? 0 : \ |
| 588 | __CMSG_MSGNEXT(cmsg)) |
| 589 | |
| 590 | /* |
| 591 | * RFC 2292 requires to check msg_controllen, in case that the kernel returns |
| 592 | * an empty list for some reasons. |
| 593 | */ |
| 594 | #define CMSG_FIRSTHDR(mhdr) \ |
| 595 | __CASTV(struct cmsghdr *, \ |
| 596 | (mhdr)->msg_controllen < sizeof(struct cmsghdr) ? 0 : \ |
| 597 | (mhdr)->msg_control) |
| 598 | |
| 599 | #define CMSG_SPACE(l) (__CMSG_ASIZE + __CMSG_ALIGN(l)) |
| 600 | #define CMSG_LEN(l) (__CMSG_ASIZE + (l)) |
| 601 | |
| 602 | /* "Socket"-level control message types: */ |
| 603 | #define SCM_RIGHTS 0x01 /* access rights (array of int) */ |
| 604 | #if defined(_NETBSD_SOURCE) |
| 605 | /* 0x02 timestamp (struct timeval50) */ |
| 606 | /* 0x04 credentials (struct sockcred70) */ |
| 607 | #define SCM_TIMESTAMP 0x08 /* timestamp (struct timeval) */ |
| 608 | #define SCM_CREDS 0x10 /* credentials (struct sockcred) */ |
| 609 | #endif |
| 610 | |
| 611 | /* |
| 612 | * Types of socket shutdown(2). |
| 613 | */ |
| 614 | #define SHUT_RD 0 /* Disallow further receives. */ |
| 615 | #define SHUT_WR 1 /* Disallow further sends. */ |
| 616 | #define SHUT_RDWR 2 /* Disallow further sends/receives. */ |
| 617 | |
| 618 | #ifdef _KERNEL |
| 619 | static inline socklen_t |
| 620 | sockaddr_getlen(const struct sockaddr *sa) |
| 621 | { |
| 622 | return sa->sa_len; |
| 623 | } |
| 624 | |
| 625 | __BEGIN_DECLS |
| 626 | struct sockaddr *sockaddr_copy(struct sockaddr *, socklen_t, |
| 627 | const struct sockaddr *); |
| 628 | struct sockaddr *sockaddr_externalize(struct sockaddr *, socklen_t, |
| 629 | const struct sockaddr *); |
| 630 | struct sockaddr *sockaddr_alloc(sa_family_t, socklen_t, int); |
| 631 | const void *sockaddr_const_addr(const struct sockaddr *, socklen_t *); |
| 632 | void *sockaddr_addr(struct sockaddr *, socklen_t *); |
| 633 | const struct sockaddr *sockaddr_any(const struct sockaddr *); |
| 634 | const struct sockaddr *sockaddr_any_by_family(int); |
| 635 | const void *sockaddr_anyaddr(const struct sockaddr *, socklen_t *); |
| 636 | int sockaddr_cmp(const struct sockaddr *, const struct sockaddr *); |
| 637 | struct sockaddr *sockaddr_dup(const struct sockaddr *, int); |
| 638 | int sockaddr_format(const struct sockaddr *, char *, size_t); |
| 639 | void sockaddr_free(struct sockaddr *); |
| 640 | __END_DECLS |
| 641 | #endif /* _KERNEL */ |
| 642 | |
| 643 | #ifndef _KERNEL |
| 644 | |
| 645 | __BEGIN_DECLS |
| 646 | int accept(int, struct sockaddr * __restrict, socklen_t * __restrict); |
| 647 | int bind(int, const struct sockaddr *, socklen_t); |
| 648 | int connect(int, const struct sockaddr *, socklen_t); |
| 649 | int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict); |
| 650 | int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict); |
| 651 | int getsockopt(int, int, int, void *__restrict, socklen_t * __restrict); |
| 652 | int listen(int, int); |
| 653 | int paccept(int, struct sockaddr * __restrict, socklen_t * __restrict, |
| 654 | const sigset_t * __restrict, int); |
| 655 | ssize_t recv(int, void *, size_t, int); |
| 656 | ssize_t recvfrom(int, void *__restrict, size_t, int, |
| 657 | struct sockaddr * __restrict, socklen_t * __restrict); |
| 658 | ssize_t recvmsg(int, struct msghdr *, int); |
| 659 | ssize_t send(int, const void *, size_t, int); |
| 660 | ssize_t sendto(int, const void *, |
| 661 | size_t, int, const struct sockaddr *, socklen_t); |
| 662 | ssize_t sendmsg(int, const struct msghdr *, int); |
| 663 | int setsockopt(int, int, int, const void *, socklen_t); |
| 664 | int shutdown(int, int); |
| 665 | int sockatmark(int); |
| 666 | int socket(int, int, int) |
| 667 | #if !defined(__LIBC12_SOURCE__) && !defined(_STANDALONE) |
| 668 | __RENAME(__socket30) |
| 669 | #endif |
| 670 | ; |
| 671 | int socketpair(int, int, int, int *); |
| 672 | |
| 673 | #if defined(_NETBSD_SOURCE) |
| 674 | int sendmmsg(int, struct mmsghdr *, unsigned int, unsigned int); |
| 675 | struct timespec; |
| 676 | int recvmmsg(int, struct mmsghdr *, unsigned int, unsigned int, |
| 677 | struct timespec *); |
| 678 | #endif |
| 679 | __END_DECLS |
| 680 | #endif /* !_KERNEL */ |
| 681 | |
| 682 | #endif /* !_SYS_SOCKET_H_ */ |
| 683 | |