732 lines
23 KiB
C
732 lines
23 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)socket.h 8.4 (Berkeley) 2/21/94
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* $FreeBSD: head/sys/sys/socket.h 338136 2018-08-21 14:04:30Z tuexen $
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*/
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#ifndef _SYS_SOCKET_H_
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#define _SYS_SOCKET_H_
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#include <sys/cdefs.h>
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#include <sys/_types.h>
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#include <sys/_iovec.h>
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#include <machine/_align.h>
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/*
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* Definitions related to sockets: types, address families, options.
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*/
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/*
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* Data types.
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*/
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#if __BSD_VISIBLE
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#ifndef _GID_T_DECLARED
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typedef __gid_t gid_t;
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#define _GID_T_DECLARED
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#endif
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#ifndef _OFF_T_DECLARED
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typedef __off_t off_t;
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#define _OFF_T_DECLARED
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#endif
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#ifndef _PID_T_DECLARED
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typedef __pid_t pid_t;
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#define _PID_T_DECLARED
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#endif
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#endif
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#ifndef _SA_FAMILY_T_DECLARED
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typedef __sa_family_t sa_family_t;
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#define _SA_FAMILY_T_DECLARED
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#endif
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#ifndef _SOCKLEN_T_DECLARED
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typedef __socklen_t socklen_t;
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#define _SOCKLEN_T_DECLARED
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#endif
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#ifndef _SSIZE_T_DECLARED
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typedef __ssize_t ssize_t;
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#define _SSIZE_T_DECLARED
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#endif
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#if __BSD_VISIBLE
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#ifndef _UID_T_DECLARED
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typedef __uid_t uid_t;
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#define _UID_T_DECLARED
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#endif
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#endif
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#ifndef _UINT32_T_DECLARED
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typedef __uint32_t uint32_t;
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#define _UINT32_T_DECLARED
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#endif
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#ifndef _UINTPTR_T_DECLARED
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typedef __uintptr_t uintptr_t;
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#define _UINTPTR_T_DECLARED
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#endif
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/*
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* Types
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*/
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#define SOCK_STREAM 1 /* stream socket */
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#define SOCK_DGRAM 2 /* datagram socket */
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#define SOCK_RAW 3 /* raw-protocol interface */
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#if __BSD_VISIBLE
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#define SOCK_RDM 4 /* reliably-delivered message */
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#endif
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#define SOCK_SEQPACKET 5 /* sequenced packet stream */
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#if __BSD_VISIBLE
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/*
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* Creation flags, OR'ed into socket() and socketpair() type argument.
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*/
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#define SOCK_CLOEXEC 0x10000000
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#define SOCK_NONBLOCK 0x20000000
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#ifdef _KERNEL
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/*
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* Flags for accept1(), kern_accept4() and solisten_dequeue, in addition
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* to SOCK_CLOEXEC and SOCK_NONBLOCK.
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*/
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#define ACCEPT4_INHERIT 0x1
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#define ACCEPT4_COMPAT 0x2
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#endif /* _KERNEL */
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#endif /* __BSD_VISIBLE */
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/*
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* Option flags per-socket.
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*/
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#define SO_DEBUG 0x00000001 /* turn on debugging info recording */
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#define SO_ACCEPTCONN 0x00000002 /* socket has had listen() */
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#define SO_REUSEADDR 0x00000004 /* allow local address reuse */
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#define SO_KEEPALIVE 0x00000008 /* keep connections alive */
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#define SO_DONTROUTE 0x00000010 /* just use interface addresses */
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#define SO_BROADCAST 0x00000020 /* permit sending of broadcast msgs */
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#if __BSD_VISIBLE
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#define SO_USELOOPBACK 0x00000040 /* bypass hardware when possible */
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#endif
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#define SO_LINGER 0x00000080 /* linger on close if data present */
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#define SO_OOBINLINE 0x00000100 /* leave received OOB data in line */
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#if __BSD_VISIBLE
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#define SO_REUSEPORT 0x00000200 /* allow local address & port reuse */
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#define SO_TIMESTAMP 0x00000400 /* timestamp received dgram traffic */
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#define SO_NOSIGPIPE 0x00000800 /* no SIGPIPE from EPIPE */
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#define SO_ACCEPTFILTER 0x00001000 /* there is an accept filter */
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#define SO_BINTIME 0x00002000 /* timestamp received dgram traffic */
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#endif
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#define SO_NO_OFFLOAD 0x00004000 /* socket cannot be offloaded */
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#define SO_NO_DDP 0x00008000 /* disable direct data placement */
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#define SO_REUSEPORT_LB 0x00010000 /* reuse with load balancing */
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/*
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* Additional options, not kept in so_options.
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*/
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#define SO_SNDBUF 0x1001 /* send buffer size */
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#define SO_RCVBUF 0x1002 /* receive buffer size */
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#define SO_SNDLOWAT 0x1003 /* send low-water mark */
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#define SO_RCVLOWAT 0x1004 /* receive low-water mark */
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#define SO_SNDTIMEO 0x1005 /* send timeout */
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#define SO_RCVTIMEO 0x1006 /* receive timeout */
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#define SO_ERROR 0x1007 /* get error status and clear */
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#define SO_TYPE 0x1008 /* get socket type */
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#if __BSD_VISIBLE
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#define SO_LABEL 0x1009 /* socket's MAC label */
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#define SO_PEERLABEL 0x1010 /* socket's peer's MAC label */
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#define SO_LISTENQLIMIT 0x1011 /* socket's backlog limit */
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#define SO_LISTENQLEN 0x1012 /* socket's complete queue length */
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#define SO_LISTENINCQLEN 0x1013 /* socket's incomplete queue length */
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#define SO_SETFIB 0x1014 /* use this FIB to route */
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#define SO_USER_COOKIE 0x1015 /* user cookie (dummynet etc.) */
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#define SO_PROTOCOL 0x1016 /* get socket protocol (Linux name) */
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#define SO_PROTOTYPE SO_PROTOCOL /* alias for SO_PROTOCOL (SunOS name) */
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#define SO_TS_CLOCK 0x1017 /* clock type used for SO_TIMESTAMP */
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#define SO_MAX_PACING_RATE 0x1018 /* socket's max TX pacing rate (Linux name) */
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#define SO_DOMAIN 0x1019 /* get socket domain */
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#endif
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#if __BSD_VISIBLE
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#define SO_TS_REALTIME_MICRO 0 /* microsecond resolution, realtime */
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#define SO_TS_BINTIME 1 /* sub-nanosecond resolution, realtime */
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#define SO_TS_REALTIME 2 /* nanosecond resolution, realtime */
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#define SO_TS_MONOTONIC 3 /* nanosecond resolution, monotonic */
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#define SO_TS_DEFAULT SO_TS_REALTIME_MICRO
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#define SO_TS_CLOCK_MAX SO_TS_MONOTONIC
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#endif
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/*
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* Space reserved for new socket options added by third-party vendors.
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* This range applies to all socket option levels. New socket options
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* in FreeBSD should always use an option value less than SO_VENDOR.
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*/
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#if __BSD_VISIBLE
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#define SO_VENDOR 0x80000000
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#endif
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/*
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* Structure used for manipulating linger option.
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*/
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struct linger {
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int l_onoff; /* option on/off */
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int l_linger; /* linger time */
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};
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#if __BSD_VISIBLE
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struct accept_filter_arg {
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char af_name[16];
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char af_arg[256-16];
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};
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#endif
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/*
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* Level number for (get/set)sockopt() to apply to socket itself.
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*/
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#define SOL_SOCKET 0xffff /* options for socket level */
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/*
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* Address families.
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*/
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#define AF_UNSPEC 0 /* unspecified */
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#if __BSD_VISIBLE
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#define AF_LOCAL AF_UNIX /* local to host (pipes, portals) */
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#endif
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#define AF_UNIX 1 /* standardized name for AF_LOCAL */
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#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
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#if __BSD_VISIBLE
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#define AF_IMPLINK 3 /* arpanet imp addresses */
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#define AF_PUP 4 /* pup protocols: e.g. BSP */
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#define AF_CHAOS 5 /* mit CHAOS protocols */
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#define AF_NETBIOS 6 /* SMB protocols */
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#define AF_ISO 7 /* ISO protocols */
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#define AF_OSI AF_ISO
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#define AF_ECMA 8 /* European computer manufacturers */
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#define AF_DATAKIT 9 /* datakit protocols */
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#define AF_CCITT 10 /* CCITT protocols, X.25 etc */
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#define AF_SNA 11 /* IBM SNA */
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#define AF_DECnet 12 /* DECnet */
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#define AF_DLI 13 /* DEC Direct data link interface */
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#define AF_LAT 14 /* LAT */
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#define AF_HYLINK 15 /* NSC Hyperchannel */
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#define AF_APPLETALK 16 /* Apple Talk */
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#define AF_ROUTE 17 /* Internal Routing Protocol */
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#define AF_LINK 18 /* Link layer interface */
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#define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
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#define AF_COIP 20 /* connection-oriented IP, aka ST II */
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#define AF_CNT 21 /* Computer Network Technology */
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#define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
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#define AF_IPX 23 /* Novell Internet Protocol */
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#define AF_SIP 24 /* Simple Internet Protocol */
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#define pseudo_AF_PIP 25 /* Help Identify PIP packets */
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#define AF_ISDN 26 /* Integrated Services Digital Network*/
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#define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
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#define pseudo_AF_KEY 27 /* Internal key-management function */
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#endif
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#define AF_INET6 28 /* IPv6 */
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#if __BSD_VISIBLE
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#define AF_NATM 29 /* native ATM access */
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#define AF_ATM 30 /* ATM */
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#define pseudo_AF_HDRCMPLT 31 /* Used by BPF to not rewrite headers
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* in interface output routine
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*/
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#define AF_NETGRAPH 32 /* Netgraph sockets */
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#define AF_SLOW 33 /* 802.3ad slow protocol */
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#define AF_SCLUSTER 34 /* Sitara cluster protocol */
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#define AF_ARP 35
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#define AF_BLUETOOTH 36 /* Bluetooth sockets */
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#define AF_IEEE80211 37 /* IEEE 802.11 protocol */
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#define AF_INET_SDP 40 /* OFED Socket Direct Protocol ipv4 */
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#define AF_INET6_SDP 42 /* OFED Socket Direct Protocol ipv6 */
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#define AF_MAX 42
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/*
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* When allocating a new AF_ constant, please only allocate
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* even numbered constants for FreeBSD until 134 as odd numbered AF_
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* constants 39-133 are now reserved for vendors.
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*/
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#define AF_VENDOR00 39
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#define AF_VENDOR01 41
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#define AF_VENDOR02 43
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#define AF_VENDOR03 45
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#define AF_VENDOR04 47
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#define AF_VENDOR05 49
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#define AF_VENDOR06 51
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#define AF_VENDOR07 53
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#define AF_VENDOR08 55
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#define AF_VENDOR09 57
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#define AF_VENDOR10 59
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#define AF_VENDOR11 61
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#define AF_VENDOR12 63
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#define AF_VENDOR13 65
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#define AF_VENDOR14 67
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#define AF_VENDOR15 69
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#define AF_VENDOR16 71
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#define AF_VENDOR17 73
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#define AF_VENDOR18 75
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#define AF_VENDOR19 77
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#define AF_VENDOR20 79
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#define AF_VENDOR21 81
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#define AF_VENDOR22 83
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#define AF_VENDOR23 85
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#define AF_VENDOR24 87
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#define AF_VENDOR25 89
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#define AF_VENDOR26 91
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#define AF_VENDOR27 93
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#define AF_VENDOR28 95
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#define AF_VENDOR29 97
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#define AF_VENDOR30 99
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#define AF_VENDOR31 101
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#define AF_VENDOR32 103
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#define AF_VENDOR33 105
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#define AF_VENDOR34 107
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#define AF_VENDOR35 109
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#define AF_VENDOR36 111
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#define AF_VENDOR37 113
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#define AF_VENDOR38 115
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#define AF_VENDOR39 117
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#define AF_VENDOR40 119
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#define AF_VENDOR41 121
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#define AF_VENDOR42 123
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#define AF_VENDOR43 125
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#define AF_VENDOR44 127
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#define AF_VENDOR45 129
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#define AF_VENDOR46 131
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#define AF_VENDOR47 133
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#endif
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/*
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* Structure used by kernel to store most
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* addresses.
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*/
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struct sockaddr {
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unsigned char sa_len; /* total length */
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sa_family_t sa_family; /* address family */
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char sa_data[14]; /* actually longer; address value */
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};
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#if __BSD_VISIBLE
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#define SOCK_MAXADDRLEN 255 /* longest possible addresses */
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/*
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* Structure used by kernel to pass protocol
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* information in raw sockets.
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*/
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struct sockproto {
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unsigned short sp_family; /* address family */
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unsigned short sp_protocol; /* protocol */
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};
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#endif
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#include <sys/_sockaddr_storage.h>
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#if __BSD_VISIBLE
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/*
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* Protocol families, same as address families for now.
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*/
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#define PF_UNSPEC AF_UNSPEC
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#define PF_LOCAL AF_LOCAL
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#define PF_UNIX PF_LOCAL /* backward compatibility */
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#define PF_INET AF_INET
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#define PF_IMPLINK AF_IMPLINK
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#define PF_PUP AF_PUP
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#define PF_CHAOS AF_CHAOS
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#define PF_NETBIOS AF_NETBIOS
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#define PF_ISO AF_ISO
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#define PF_OSI AF_ISO
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#define PF_ECMA AF_ECMA
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#define PF_DATAKIT AF_DATAKIT
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#define PF_CCITT AF_CCITT
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#define PF_SNA AF_SNA
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#define PF_DECnet AF_DECnet
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#define PF_DLI AF_DLI
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#define PF_LAT AF_LAT
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#define PF_HYLINK AF_HYLINK
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#define PF_APPLETALK AF_APPLETALK
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#define PF_ROUTE AF_ROUTE
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#define PF_LINK AF_LINK
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#define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
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#define PF_COIP AF_COIP
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#define PF_CNT AF_CNT
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#define PF_SIP AF_SIP
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#define PF_IPX AF_IPX
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#define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */
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#define PF_PIP pseudo_AF_PIP
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#define PF_ISDN AF_ISDN
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#define PF_KEY pseudo_AF_KEY
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#define PF_INET6 AF_INET6
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#define PF_NATM AF_NATM
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#define PF_ATM AF_ATM
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#define PF_NETGRAPH AF_NETGRAPH
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#define PF_SLOW AF_SLOW
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#define PF_SCLUSTER AF_SCLUSTER
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#define PF_ARP AF_ARP
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#define PF_BLUETOOTH AF_BLUETOOTH
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#define PF_IEEE80211 AF_IEEE80211
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#define PF_INET_SDP AF_INET_SDP
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#define PF_INET6_SDP AF_INET6_SDP
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#define PF_MAX AF_MAX
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/*
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* Definitions for network related sysctl, CTL_NET.
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*
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* Second level is protocol family.
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* Third level is protocol number.
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*
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* Further levels are defined by the individual families.
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*/
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/*
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* PF_ROUTE - Routing table
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*
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* Three additional levels are defined:
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* Fourth: address family, 0 is wildcard
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* Fifth: type of info, defined below
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* Sixth: flag(s) to mask with for NET_RT_FLAGS
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*/
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#define NET_RT_DUMP 1 /* dump; may limit to a.f. */
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#define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
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#define NET_RT_IFLIST 3 /* survey interface list */
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#define NET_RT_IFMALIST 4 /* return multicast address list */
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#define NET_RT_IFLISTL 5 /* Survey interface list, using 'l'en
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* versions of msghdr structs. */
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#endif /* __BSD_VISIBLE */
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/*
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* Maximum queue length specifiable by listen.
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*/
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#define SOMAXCONN 128
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/*
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* Message header for recvmsg and sendmsg calls.
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* Used value-result for recvmsg, value only for sendmsg.
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*/
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struct msghdr {
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void *msg_name; /* optional address */
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socklen_t msg_namelen; /* size of address */
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struct iovec *msg_iov; /* scatter/gather array */
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int msg_iovlen; /* # elements in msg_iov */
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void *msg_control; /* ancillary data, see below */
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socklen_t msg_controllen; /* ancillary data buffer len */
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int msg_flags; /* flags on received message */
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};
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#define MSG_OOB 0x00000001 /* process out-of-band data */
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#define MSG_PEEK 0x00000002 /* peek at incoming message */
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#define MSG_DONTROUTE 0x00000004 /* send without using routing tables */
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#define MSG_EOR 0x00000008 /* data completes record */
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#define MSG_TRUNC 0x00000010 /* data discarded before delivery */
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#define MSG_CTRUNC 0x00000020 /* control data lost before delivery */
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#define MSG_WAITALL 0x00000040 /* wait for full request or error */
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#if __BSD_VISIBLE
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#define MSG_DONTWAIT 0x00000080 /* this message should be nonblocking */
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#define MSG_EOF 0x00000100 /* data completes connection */
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/* 0x00000200 unused */
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/* 0x00000400 unused */
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/* 0x00000800 unused */
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/* 0x00001000 unused */
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#define MSG_NOTIFICATION 0x00002000 /* SCTP notification */
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#define MSG_NBIO 0x00004000 /* FIONBIO mode, used by fifofs */
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#define MSG_COMPAT 0x00008000 /* used in sendit() */
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#endif
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#ifdef _KERNEL
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#define MSG_SOCALLBCK 0x00010000 /* for use by socket callbacks - soreceive (TCP) */
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#endif
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#if __POSIX_VISIBLE >= 200809
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#define MSG_NOSIGNAL 0x00020000 /* do not generate SIGPIPE on EOF */
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#endif
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#if __BSD_VISIBLE
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#define MSG_CMSG_CLOEXEC 0x00040000 /* make received fds close-on-exec */
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#define MSG_WAITFORONE 0x00080000 /* for recvmmsg() */
|
|
#endif
|
|
#ifdef _KERNEL
|
|
#define MSG_MORETOCOME 0x00100000 /* additional data pending */
|
|
#endif
|
|
|
|
/*
|
|
* Header for ancillary data objects in msg_control buffer.
|
|
* Used for additional information with/about a datagram
|
|
* not expressible by flags. The format is a sequence
|
|
* of message elements headed by cmsghdr structures.
|
|
*/
|
|
struct cmsghdr {
|
|
socklen_t cmsg_len; /* data byte count, including hdr */
|
|
int cmsg_level; /* originating protocol */
|
|
int cmsg_type; /* protocol-specific type */
|
|
/* followed by u_char cmsg_data[]; */
|
|
};
|
|
|
|
#if __BSD_VISIBLE
|
|
/*
|
|
* While we may have more groups than this, the cmsgcred struct must
|
|
* be able to fit in an mbuf and we have historically supported a
|
|
* maximum of 16 groups.
|
|
*/
|
|
#define CMGROUP_MAX 16
|
|
|
|
/*
|
|
* Credentials structure, used to verify the identity of a peer
|
|
* process that has sent us a message. This is allocated by the
|
|
* peer process but filled in by the kernel. This prevents the
|
|
* peer from lying about its identity. (Note that cmcred_groups[0]
|
|
* is the effective GID.)
|
|
*/
|
|
struct cmsgcred {
|
|
pid_t cmcred_pid; /* PID of sending process */
|
|
uid_t cmcred_uid; /* real UID of sending process */
|
|
uid_t cmcred_euid; /* effective UID of sending process */
|
|
gid_t cmcred_gid; /* real GID of sending process */
|
|
short cmcred_ngroups; /* number or groups */
|
|
gid_t cmcred_groups[CMGROUP_MAX]; /* groups */
|
|
};
|
|
|
|
/*
|
|
* Socket credentials.
|
|
*/
|
|
struct sockcred {
|
|
uid_t sc_uid; /* real user id */
|
|
uid_t sc_euid; /* effective user id */
|
|
gid_t sc_gid; /* real group id */
|
|
gid_t sc_egid; /* effective group id */
|
|
int sc_ngroups; /* number of supplemental groups */
|
|
gid_t sc_groups[1]; /* variable length */
|
|
};
|
|
|
|
/*
|
|
* Compute size of a sockcred structure with groups.
|
|
*/
|
|
#define SOCKCREDSIZE(ngrps) \
|
|
(sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1)))
|
|
|
|
#endif /* __BSD_VISIBLE */
|
|
|
|
/* given pointer to struct cmsghdr, return pointer to data */
|
|
#define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
|
|
_ALIGN(sizeof(struct cmsghdr)))
|
|
|
|
/* given pointer to struct cmsghdr, return pointer to next cmsghdr */
|
|
#define CMSG_NXTHDR(mhdr, cmsg) \
|
|
((char *)(cmsg) == (char *)0 ? CMSG_FIRSTHDR(mhdr) : \
|
|
((char *)(cmsg) + _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len) + \
|
|
_ALIGN(sizeof(struct cmsghdr)) > \
|
|
(char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \
|
|
(struct cmsghdr *)0 : \
|
|
(struct cmsghdr *)(void *)((char *)(cmsg) + \
|
|
_ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len)))
|
|
|
|
/*
|
|
* RFC 2292 requires to check msg_controllen, in case that the kernel returns
|
|
* an empty list for some reasons.
|
|
*/
|
|
#define CMSG_FIRSTHDR(mhdr) \
|
|
((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
|
|
(struct cmsghdr *)(mhdr)->msg_control : \
|
|
(struct cmsghdr *)0)
|
|
|
|
#if __BSD_VISIBLE
|
|
/* RFC 2292 additions */
|
|
#define CMSG_SPACE(l) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l))
|
|
#define CMSG_LEN(l) (_ALIGN(sizeof(struct cmsghdr)) + (l))
|
|
#endif
|
|
|
|
#ifdef _KERNEL
|
|
#define CMSG_ALIGN(n) _ALIGN(n)
|
|
#endif
|
|
|
|
/* "Socket"-level control message types: */
|
|
#define SCM_RIGHTS 0x01 /* access rights (array of int) */
|
|
#if __BSD_VISIBLE
|
|
#define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */
|
|
#define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */
|
|
#define SCM_BINTIME 0x04 /* timestamp (struct bintime) */
|
|
#define SCM_REALTIME 0x05 /* timestamp (struct timespec) */
|
|
#define SCM_MONOTONIC 0x06 /* timestamp (struct timespec) */
|
|
#define SCM_TIME_INFO 0x07 /* timestamp info */
|
|
|
|
struct sock_timestamp_info {
|
|
__uint32_t st_info_flags;
|
|
__uint32_t st_info_pad0;
|
|
__uint64_t st_info_rsv[7];
|
|
};
|
|
|
|
#define ST_INFO_HW 0x0001 /* SCM_TIMESTAMP was hw */
|
|
#define ST_INFO_HW_HPREC 0x0002 /* SCM_TIMESTAMP was hw-assisted
|
|
on entrance */
|
|
#endif
|
|
|
|
#if __BSD_VISIBLE
|
|
/*
|
|
* 4.3 compat sockaddr, move to compat file later
|
|
*/
|
|
struct osockaddr {
|
|
unsigned short sa_family; /* address family */
|
|
char sa_data[14]; /* up to 14 bytes of direct address */
|
|
};
|
|
|
|
/*
|
|
* 4.3-compat message header (move to compat file later).
|
|
*/
|
|
struct omsghdr {
|
|
char *msg_name; /* optional address */
|
|
int msg_namelen; /* size of address */
|
|
struct iovec *msg_iov; /* scatter/gather array */
|
|
int msg_iovlen; /* # elements in msg_iov */
|
|
char *msg_accrights; /* access rights sent/received */
|
|
int msg_accrightslen;
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* howto arguments for shutdown(2), specified by Posix.1g.
|
|
*/
|
|
#define SHUT_RD 0 /* shut down the reading side */
|
|
#define SHUT_WR 1 /* shut down the writing side */
|
|
#define SHUT_RDWR 2 /* shut down both sides */
|
|
|
|
#if __BSD_VISIBLE
|
|
/* for SCTP */
|
|
/* we cheat and use the SHUT_XX defines for these */
|
|
#define PRU_FLUSH_RD SHUT_RD
|
|
#define PRU_FLUSH_WR SHUT_WR
|
|
#define PRU_FLUSH_RDWR SHUT_RDWR
|
|
#endif
|
|
|
|
|
|
#if __BSD_VISIBLE
|
|
/*
|
|
* sendfile(2) header/trailer struct
|
|
*/
|
|
struct sf_hdtr {
|
|
struct iovec *headers; /* pointer to an array of header struct iovec's */
|
|
int hdr_cnt; /* number of header iovec's */
|
|
struct iovec *trailers; /* pointer to an array of trailer struct iovec's */
|
|
int trl_cnt; /* number of trailer iovec's */
|
|
};
|
|
|
|
/*
|
|
* Sendfile-specific flag(s)
|
|
*/
|
|
#define SF_NODISKIO 0x00000001
|
|
#define SF_MNOWAIT 0x00000002 /* obsolete */
|
|
#define SF_SYNC 0x00000004
|
|
#define SF_USER_READAHEAD 0x00000008
|
|
#define SF_NOCACHE 0x00000010
|
|
#define SF_FLAGS(rh, flags) (((rh) << 16) | (flags))
|
|
|
|
#ifdef _KERNEL
|
|
#define SF_READAHEAD(flags) ((flags) >> 16)
|
|
#endif /* _KERNEL */
|
|
|
|
/*
|
|
* Sendmmsg/recvmmsg specific structure(s)
|
|
*/
|
|
struct mmsghdr {
|
|
struct msghdr msg_hdr; /* message header */
|
|
ssize_t msg_len; /* message length */
|
|
};
|
|
#endif /* __BSD_VISIBLE */
|
|
|
|
#ifndef _KERNEL
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
int accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
|
|
int bind(int, const struct sockaddr *, socklen_t);
|
|
int connect(int, const struct sockaddr *, socklen_t);
|
|
#if __BSD_VISIBLE
|
|
int accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int);
|
|
int bindat(int, int, const struct sockaddr *, socklen_t);
|
|
int connectat(int, int, const struct sockaddr *, socklen_t);
|
|
#endif
|
|
int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
|
|
int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
|
|
int getsockopt(int, int, int, void * __restrict, socklen_t * __restrict);
|
|
int listen(int, int);
|
|
ssize_t recv(int, void *, size_t, int);
|
|
ssize_t recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict);
|
|
ssize_t recvmsg(int, struct msghdr *, int);
|
|
#if __BSD_VISIBLE
|
|
struct timespec;
|
|
ssize_t recvmmsg(int, struct mmsghdr * __restrict, size_t, int,
|
|
const struct timespec * __restrict);
|
|
#endif
|
|
ssize_t send(int, const void *, size_t, int);
|
|
ssize_t sendto(int, const void *,
|
|
size_t, int, const struct sockaddr *, socklen_t);
|
|
ssize_t sendmsg(int, const struct msghdr *, int);
|
|
#if __BSD_VISIBLE
|
|
int sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int);
|
|
ssize_t sendmmsg(int, struct mmsghdr * __restrict, size_t, int);
|
|
int setfib(int);
|
|
#endif
|
|
int setsockopt(int, int, int, const void *, socklen_t);
|
|
int shutdown(int, int);
|
|
int sockatmark(int);
|
|
int socket(int, int, int);
|
|
int socketpair(int, int, int, int *);
|
|
__END_DECLS
|
|
|
|
#endif /* !_KERNEL */
|
|
|
|
#ifdef _KERNEL
|
|
struct socket;
|
|
|
|
struct tcpcb *so_sototcpcb(struct socket *so);
|
|
struct inpcb *so_sotoinpcb(struct socket *so);
|
|
struct sockbuf *so_sockbuf_snd(struct socket *);
|
|
struct sockbuf *so_sockbuf_rcv(struct socket *);
|
|
|
|
int so_state_get(const struct socket *);
|
|
void so_state_set(struct socket *, int);
|
|
|
|
int so_options_get(const struct socket *);
|
|
void so_options_set(struct socket *, int);
|
|
|
|
int so_error_get(const struct socket *);
|
|
void so_error_set(struct socket *, int);
|
|
|
|
int so_linger_get(const struct socket *);
|
|
void so_linger_set(struct socket *, int);
|
|
|
|
struct protosw *so_protosw_get(const struct socket *);
|
|
void so_protosw_set(struct socket *, struct protosw *);
|
|
|
|
void so_sorwakeup_locked(struct socket *so);
|
|
void so_sowwakeup_locked(struct socket *so);
|
|
|
|
void so_sorwakeup(struct socket *so);
|
|
void so_sowwakeup(struct socket *so);
|
|
|
|
void so_lock(struct socket *so);
|
|
void so_unlock(struct socket *so);
|
|
|
|
#endif /* _KERNEL */
|
|
#endif /* !_SYS_SOCKET_H_ */
|