williamr@2: // © Portions copyright (c) 2006 Nokia Corporation. All rights reserved. williamr@2: williamr@2: /*- williamr@2: * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994 williamr@2: * The Regents of the University of California. All rights reserved. williamr@2: * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved. williamr@2: * Redistribution and use in source and binary forms, with or without williamr@2: * modification, are permitted provided that the following conditions williamr@2: * are met: williamr@2: * 1. Redistributions of source code must retain the above copyright williamr@2: * notice, this list of conditions and the following disclaimer. williamr@2: * 2. Redistributions in binary form must reproduce the above copyright williamr@2: * notice, this list of conditions and the following disclaimer in the williamr@2: * documentation and/or other materials provided with the distribution. williamr@2: * 4. Neither the name of the University nor the names of its contributors williamr@2: * may be used to endorse or promote products derived from this software williamr@2: * without specific prior written permission. williamr@2: * williamr@2: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND williamr@2: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE williamr@2: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE williamr@2: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE williamr@2: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL williamr@2: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS williamr@2: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) williamr@2: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT williamr@2: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY williamr@2: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF williamr@2: * SUCH DAMAGE. williamr@2: * williamr@2: * @(#)socket.h 8.4 (Berkeley) 2/21/94 williamr@2: * $FreeBSD: src/sys/sys/socket.h,v 1.88.2.1 2005/09/27 21:14:10 rwatson Exp $ williamr@2: */ williamr@2: williamr@2: #ifndef _SYS_SOCKET_H_ williamr@2: #define _SYS_SOCKET_H_ williamr@2: williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: #include williamr@2: #define _NO_NAMESPACE_POLLUTION williamr@2: #include williamr@2: #undef _NO_NAMESPACE_POLLUTION williamr@2: williamr@2: /* williamr@2: * Definitions related to sockets: types, address families, options. williamr@2: */ williamr@2: williamr@2: /* williamr@2: * Data types. williamr@2: */ williamr@2: #if __BSD_VISIBLE williamr@2: #ifndef _GID_T_DECLARED williamr@2: typedef __gid_t gid_t; williamr@2: #define _GID_T_DECLARED williamr@2: #endif williamr@2: williamr@2: #ifndef _OFF_T_DECLARED williamr@2: typedef __off_t off_t; williamr@2: #define _OFF_T_DECLARED williamr@2: #endif williamr@2: williamr@2: #ifndef _PID_T_DECLARED williamr@2: typedef __pid_t pid_t; williamr@2: #define _PID_T_DECLARED williamr@2: #endif williamr@2: #endif williamr@2: williamr@2: #ifndef _SA_FAMILY_T_DECLARED williamr@2: typedef __sa_family_t sa_family_t; williamr@2: #define _SA_FAMILY_T_DECLARED williamr@2: #endif williamr@2: williamr@2: #ifndef _SOCKLEN_T_DECLARED williamr@2: typedef __socklen_t socklen_t; williamr@2: #define _SOCKLEN_T_DECLARED williamr@2: #endif williamr@2: williamr@2: #ifndef _SSIZE_T_DECLARED williamr@2: typedef __ssize_t ssize_t; williamr@2: #define _SSIZE_T_DECLARED williamr@2: #endif williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: #ifndef _UID_T_DECLARED williamr@2: typedef __uid_t uid_t; williamr@2: #define _UID_T_DECLARED williamr@2: #endif williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Types williamr@2: */ williamr@2: #define SOCK_STREAM 1 /* stream socket */ williamr@2: #define SOCK_DGRAM 2 /* datagram socket */ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SOCK_RAW 4 /* raw-protocol interface */ williamr@2: #else williamr@2: #define SOCK_RAW 3 /* raw-protocol interface */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #if __BSD_VISIBLE williamr@2: #define SOCK_RDM 4 /* reliably-delivered message */ williamr@2: #endif williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SOCK_SEQPACKET 3 /* sequenced packet stream */ williamr@2: #else williamr@2: #define SOCK_SEQPACKET 5 /* sequenced packet stream */ williamr@2: #endif // __SYMBIAN32__ williamr@2: williamr@2: /* williamr@2: * Option flags per-socket. williamr@2: */ williamr@2: #define SO_DEBUG 0x0001 /* turn on debugging info recording KSODebug */ williamr@2: #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SO_REUSEADDR 0x406 /* allow local address reuse */ williamr@2: #else williamr@2: #define SO_REUSEADDR 0x0004 /* allow local address reuse */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SO_KEEPALIVE 0x305 /* keep connections alive KSoTcpKeepAlive */ williamr@2: #else williamr@2: #define SO_KEEPALIVE 0x0008 /* keep connections alive */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #define SO_DONTROUTE 0x0010 /* just use interface addresses */ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SO_BROADCAST -1 /* permit sending of broadcast msgs */ williamr@2: #else williamr@2: #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #if __BSD_VISIBLE williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SO_USELOOPBACK -2 /* bypass hardware when possible */ williamr@2: #else williamr@2: #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #endif williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SO_LINGER -3 /* linger on close if data present */ williamr@2: #else williamr@2: #define SO_LINGER 0x0080 /* linger on close if data present */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SO_OOBINLINE 0x315 /* leave received OOB data in line KSoTcpOobInline */ williamr@2: #else williamr@2: #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #if __BSD_VISIBLE williamr@2: #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */ williamr@2: #define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */ williamr@2: #define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */ williamr@2: #define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */ williamr@2: #define SO_BINTIME 0x2000 /* timestamp received dgram traffic */ williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Additional options, not kept in so_options. williamr@2: */ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SO_SNDBUF 3 /* send buffer size KSOSendBuf */ williamr@2: #else williamr@2: #define SO_SNDBUF 0x1001 /* send buffer size */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SO_RCVBUF 2 /* receive buffer size KSORecvBuf */ williamr@2: #else williamr@2: #define SO_RCVBUF 0x1002 /* receive buffer size */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #define SO_SNDLOWAT 0x1003 /* send low-water mark */ williamr@2: #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ williamr@2: #define SO_SNDTIMEO 0x1005 /* send timeout */ williamr@2: #define SO_RCVTIMEO 0x1006 /* receive timeout */ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SO_ERROR 9 /* get error status and clear */ williamr@2: #else williamr@2: #define SO_ERROR 0x1007 /* get error status and clear */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #define SO_TYPE 0x1008 /* get socket type */ williamr@2: #if __BSD_VISIBLE williamr@2: #define SO_LABEL 0x1009 /* socket's MAC label */ williamr@2: #define SO_PEERLABEL 0x1010 /* socket's peer's MAC label */ williamr@2: #define SO_LISTENQLIMIT 0x1011 /* socket's backlog limit */ williamr@2: #define SO_LISTENQLEN 0x1012 /* socket's complete queue length */ williamr@2: #define SO_LISTENINCQLEN 0x1013 /* socket's incomplete queue length */ williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Structure used for manipulating linger option. williamr@2: */ williamr@2: struct linger { williamr@2: int l_onoff; /* option on/off */ williamr@2: int l_linger; /* linger time */ williamr@2: }; williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: struct accept_filter_arg { williamr@2: char af_name[16]; williamr@2: char af_arg[256-16]; williamr@2: }; williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Level number for (get/set)sockopt() to apply to socket itself. williamr@2: */ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SOL_SOCKET 1 /* options for socket level KSOLSocket */ williamr@2: #else williamr@2: #define SOL_SOCKET 0xffff /* options for socket level */ williamr@2: #endif // __SYMBIAN32__ williamr@2: /* williamr@2: * Address families. williamr@2: */ williamr@2: #define AF_UNSPEC 0 /* unspecified */ williamr@2: #if __BSD_VISIBLE williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define AF_LOCAL 0x666 /* local to host (pipes, portals) */ williamr@2: #else williamr@2: #define AF_LOCAL AF_UNIX /* local to host (pipes, portals) */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #endif williamr@2: #define AF_UNIX 1 /* standardized name for AF_LOCAL */ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define AF_INET 0x0800 /* internetwork: UDP, TCP, etc. */ williamr@2: #else williamr@2: #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ williamr@2: #endif // __SYMBIAN32__ williamr@2: #if __BSD_VISIBLE williamr@2: #define AF_IMPLINK 3 /* arpanet imp addresses */ williamr@2: #define AF_PUP 4 /* pup protocols: e.g. BSP */ williamr@2: #define AF_CHAOS 5 /* mit CHAOS protocols */ williamr@2: #define AF_NETBIOS 6 /* SMB protocols */ williamr@2: #define AF_ISO 7 /* ISO protocols */ williamr@2: #define AF_OSI AF_ISO williamr@2: #define AF_ECMA 8 /* European computer manufacturers */ williamr@2: #define AF_DATAKIT 9 /* datakit protocols */ williamr@2: #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ williamr@2: #define AF_SNA 11 /* IBM SNA */ williamr@2: #define AF_DECnet 12 /* DECnet */ williamr@2: #define AF_DLI 13 /* DEC Direct data link interface */ williamr@2: #define AF_LAT 14 /* LAT */ williamr@2: #define AF_HYLINK 15 /* NSC Hyperchannel */ williamr@2: #define AF_APPLETALK 16 /* Apple Talk */ williamr@2: #define AF_ROUTE 17 /* Internal Routing Protocol */ williamr@2: #define AF_LINK 18 /* Link layer interface */ williamr@2: #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */ williamr@2: #define AF_COIP 20 /* connection-oriented IP, aka ST II */ williamr@2: #define AF_CNT 21 /* Computer Network Technology */ williamr@2: #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */ williamr@2: #define AF_IPX 23 /* Novell Internet Protocol */ williamr@2: #define AF_SIP 24 /* Simple Internet Protocol */ williamr@2: #define pseudo_AF_PIP 25 /* Help Identify PIP packets */ williamr@2: #define AF_ISDN 26 /* Integrated Services Digital Network*/ williamr@2: #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */ williamr@2: #define pseudo_AF_KEY 27 /* Internal key-management function */ williamr@2: #endif williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define AF_INET6 0x0806 /* IPv6 */ williamr@2: #else williamr@2: #define AF_INET6 28 /* IPv6 */ williamr@2: #endif williamr@2: #if __BSD_VISIBLE williamr@2: #define AF_NATM 29 /* native ATM access */ williamr@2: #define AF_ATM 30 /* ATM */ williamr@2: #define pseudo_AF_HDRCMPLT 31 /* Used by BPF to not rewrite headers williamr@2: * in interface output routine williamr@2: */ williamr@2: #define AF_NETGRAPH 32 /* Netgraph sockets */ williamr@2: #define AF_SLOW 33 /* 802.3ad slow protocol */ williamr@2: #define AF_SCLUSTER 34 /* Sitara cluster protocol */ williamr@2: #define AF_ARP 35 williamr@2: #define AF_BLUETOOTH 36 /* Bluetooth sockets */ williamr@2: #define AF_MAX 37 williamr@2: #endif williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define AF_IRDA 0x0100 /* IrDA */ williamr@2: #define AF_PLP 273 /* Symbian link protocol */ williamr@2: #endif // __SYMBIAN32__ williamr@2: williamr@2: #ifndef __SYMBIAN32__ williamr@2: /* williamr@2: * Structure used by kernel to store most williamr@2: * addresses. williamr@2: */ williamr@2: struct sockaddr { williamr@2: unsigned char sa_len; /* total length */ williamr@2: sa_family_t sa_family; /* address family */ williamr@2: char sa_data[14]; /* actually longer; address value */ williamr@2: }; williamr@2: #else williamr@2: /** williamr@2: Structure used by EPOC32 to store most addresses. williamr@2: NB. EPOC32 uses 32-bit family and port numbers internally, but they have been williamr@2: left as shorts here for compatibility with code that uses htons()/ntohs() explicitly. williamr@2: */ williamr@2: struct sockaddr { williamr@2: u_short sa_family; /* address family */ williamr@2: u_short sa_port; /* port number - a common feature of most protocols */ williamr@2: char sa_data[24]; /* up to 24 bytes of direct address */ williamr@2: unsigned char sa_len; williamr@2: }; williamr@2: #endif //__SYMBIAN32__ williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: #define SOCK_MAXADDRLEN 255 /* longest possible addresses */ williamr@2: williamr@2: /* williamr@2: * Structure used by kernel to pass protocol williamr@2: * information in raw sockets. williamr@2: */ williamr@2: struct sockproto { williamr@2: unsigned short sp_family; /* address family */ williamr@2: unsigned short sp_protocol; /* protocol */ williamr@2: }; williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * RFC 2553: protocol-independent placeholder for socket addresses williamr@2: */ williamr@2: #define _SS_MAXSIZE 128U williamr@2: #define _SS_ALIGNSIZE (sizeof(__int64_t)) williamr@2: #define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) - \ williamr@2: sizeof(sa_family_t)) williamr@2: #define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) - \ williamr@2: sizeof(sa_family_t) - _SS_PAD1SIZE - _SS_ALIGNSIZE) williamr@2: williamr@2: struct sockaddr_storage { williamr@2: unsigned char ss_len; /* address length */ williamr@2: sa_family_t ss_family; /* address family */ williamr@2: char __ss_pad1[_SS_PAD1SIZE]; williamr@2: __int64_t __ss_align; /* force desired struct alignment */ williamr@2: char __ss_pad2[_SS_PAD2SIZE]; williamr@2: }; williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: /* williamr@2: * Protocol families, same as address families for now. williamr@2: */ williamr@2: #define PF_UNSPEC AF_UNSPEC williamr@2: #define PF_LOCAL AF_LOCAL williamr@2: #define PF_UNIX PF_LOCAL /* backward compatibility */ williamr@2: #define PF_INET AF_INET williamr@2: #define PF_IMPLINK AF_IMPLINK williamr@2: #define PF_PUP AF_PUP williamr@2: #define PF_CHAOS AF_CHAOS williamr@2: #define PF_NETBIOS AF_NETBIOS williamr@2: #define PF_ISO AF_ISO williamr@2: #define PF_OSI AF_ISO williamr@2: #define PF_ECMA AF_ECMA williamr@2: #define PF_DATAKIT AF_DATAKIT williamr@2: #define PF_CCITT AF_CCITT williamr@2: #define PF_SNA AF_SNA williamr@2: #define PF_DECnet AF_DECnet williamr@2: #define PF_DLI AF_DLI williamr@2: #define PF_LAT AF_LAT williamr@2: #define PF_HYLINK AF_HYLINK williamr@2: #define PF_APPLETALK AF_APPLETALK williamr@2: #define PF_ROUTE AF_ROUTE williamr@2: #define PF_LINK AF_LINK williamr@2: #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */ williamr@2: #define PF_COIP AF_COIP williamr@2: #define PF_CNT AF_CNT williamr@2: #define PF_SIP AF_SIP williamr@2: #define PF_IPX AF_IPX williamr@2: #define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */ williamr@2: #define PF_PIP pseudo_AF_PIP williamr@2: #define PF_ISDN AF_ISDN williamr@2: #define PF_KEY pseudo_AF_KEY williamr@2: #define PF_INET6 AF_INET6 williamr@2: #define PF_NATM AF_NATM williamr@2: #define PF_ATM AF_ATM williamr@2: #define PF_NETGRAPH AF_NETGRAPH williamr@2: #define PF_SLOW AF_SLOW williamr@2: #define PF_SCLUSTER AF_SCLUSTER williamr@2: #define PF_ARP AF_ARP williamr@2: #define PF_BLUETOOTH AF_BLUETOOTH williamr@2: williamr@2: #define PF_MAX AF_MAX williamr@2: williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define PF_IRDA AF_IRDA williamr@2: #define PF_PLP AF_PLP williamr@2: #endif // __SYMBIAN32__ williamr@2: /* williamr@2: * Definitions for network related sysctl, CTL_NET. williamr@2: * williamr@2: * Second level is protocol family. williamr@2: * Third level is protocol number. williamr@2: * williamr@2: * Further levels are defined by the individual families below. williamr@2: */ williamr@2: #define NET_MAXID AF_MAX williamr@2: williamr@2: #define CTL_NET_NAMES { \ williamr@2: { 0, 0 }, \ williamr@2: { "unix", CTLTYPE_NODE }, \ williamr@2: { "inet", CTLTYPE_NODE }, \ williamr@2: { "implink", CTLTYPE_NODE }, \ williamr@2: { "pup", CTLTYPE_NODE }, \ williamr@2: { "chaos", CTLTYPE_NODE }, \ williamr@2: { "xerox_ns", CTLTYPE_NODE }, \ williamr@2: { "iso", CTLTYPE_NODE }, \ williamr@2: { "emca", CTLTYPE_NODE }, \ williamr@2: { "datakit", CTLTYPE_NODE }, \ williamr@2: { "ccitt", CTLTYPE_NODE }, \ williamr@2: { "ibm_sna", CTLTYPE_NODE }, \ williamr@2: { "decnet", CTLTYPE_NODE }, \ williamr@2: { "dec_dli", CTLTYPE_NODE }, \ williamr@2: { "lat", CTLTYPE_NODE }, \ williamr@2: { "hylink", CTLTYPE_NODE }, \ williamr@2: { "appletalk", CTLTYPE_NODE }, \ williamr@2: { "route", CTLTYPE_NODE }, \ williamr@2: { "link_layer", CTLTYPE_NODE }, \ williamr@2: { "xtp", CTLTYPE_NODE }, \ williamr@2: { "coip", CTLTYPE_NODE }, \ williamr@2: { "cnt", CTLTYPE_NODE }, \ williamr@2: { "rtip", CTLTYPE_NODE }, \ williamr@2: { "ipx", CTLTYPE_NODE }, \ williamr@2: { "sip", CTLTYPE_NODE }, \ williamr@2: { "pip", CTLTYPE_NODE }, \ williamr@2: { "isdn", CTLTYPE_NODE }, \ williamr@2: { "key", CTLTYPE_NODE }, \ williamr@2: { "inet6", CTLTYPE_NODE }, \ williamr@2: { "natm", CTLTYPE_NODE }, \ williamr@2: { "atm", CTLTYPE_NODE }, \ williamr@2: { "hdrcomplete", CTLTYPE_NODE }, \ williamr@2: { "netgraph", CTLTYPE_NODE }, \ williamr@2: { "snp", CTLTYPE_NODE }, \ williamr@2: { "scp", CTLTYPE_NODE }, \ williamr@2: } williamr@2: williamr@2: /* williamr@2: * PF_ROUTE - Routing table williamr@2: * williamr@2: * Three additional levels are defined: williamr@2: * Fourth: address family, 0 is wildcard williamr@2: * Fifth: type of info, defined below williamr@2: * Sixth: flag(s) to mask with for NET_RT_FLAGS williamr@2: */ williamr@2: #define NET_RT_DUMP 1 /* dump; may limit to a.f. */ williamr@2: #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */ williamr@2: #define NET_RT_IFLIST 3 /* survey interface list */ williamr@2: #define NET_RT_IFMALIST 4 /* return multicast address list */ williamr@2: #define NET_RT_MAXID 5 williamr@2: williamr@2: #define CTL_NET_RT_NAMES { \ williamr@2: { 0, 0 }, \ williamr@2: { "dump", CTLTYPE_STRUCT }, \ williamr@2: { "flags", CTLTYPE_STRUCT }, \ williamr@2: { "iflist", CTLTYPE_STRUCT }, \ williamr@2: { "ifmalist", CTLTYPE_STRUCT }, \ williamr@2: } williamr@2: #endif /* __BSD_VISIBLE */ williamr@2: williamr@2: /* williamr@2: * Maximum queue length specifiable by listen. williamr@2: */ williamr@2: #ifdef __SYMBIAN32__ williamr@2: #define SOMAXCONN 5 williamr@2: #else williamr@2: #define SOMAXCONN 128 williamr@2: #endif // __SYMBIAN32__ williamr@2: williamr@2: /* williamr@2: * Message header for recvmsg and sendmsg calls. williamr@2: * Used value-result for recvmsg, value only for sendmsg. williamr@2: */ williamr@2: struct msghdr { williamr@2: void *msg_name; /* optional address */ williamr@2: socklen_t msg_namelen; /* size of address */ williamr@2: struct iovec *msg_iov; /* scatter/gather array */ williamr@2: int msg_iovlen; /* # elements in msg_iov */ williamr@2: void *msg_control; /* ancillary data, see below */ williamr@2: socklen_t msg_controllen; /* ancillary data buffer len */ williamr@2: int msg_flags; /* flags on received message */ williamr@2: }; williamr@2: williamr@2: #define MSG_OOB 0x1 /* process out-of-band data */ williamr@2: #define MSG_PEEK 0x2 /* peek at incoming message */ williamr@2: #define MSG_DONTROUTE 0x4 /* send without using routing tables */ williamr@2: #define MSG_EOR 0x8 /* data completes record */ williamr@2: #define MSG_TRUNC 0x10 /* data discarded before delivery */ williamr@2: #define MSG_CTRUNC 0x20 /* control data lost before delivery */ williamr@2: #define MSG_WAITALL 0x40 /* wait for full request or error */ williamr@2: #if __BSD_VISIBLE williamr@2: #define MSG_DONTWAIT 0x80 /* this message should be nonblocking */ williamr@2: #define MSG_EOF 0x100 /* data completes connection */ williamr@2: #define MSG_NBIO 0x4000 /* FIONBIO mode, used by fifofs */ williamr@2: #define MSG_COMPAT 0x8000 /* used in sendit() */ williamr@2: #endif williamr@2: #ifdef _KERNEL williamr@2: #define MSG_SOCALLBCK 0x10000 /* for use by socket callbacks - soreceive (TCP) */ williamr@2: #endif williamr@2: #if __BSD_VISIBLE williamr@2: #define MSG_NOSIGNAL 0x20000 /* do not generate SIGPIPE on EOF */ williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Header for ancillary data objects in msg_control buffer. williamr@2: * Used for additional information with/about a datagram williamr@2: * not expressible by flags. The format is a sequence williamr@2: * of message elements headed by cmsghdr structures. williamr@2: */ williamr@2: struct cmsghdr { williamr@2: socklen_t cmsg_len; /* data byte count, including hdr */ williamr@2: int cmsg_level; /* originating protocol */ williamr@2: int cmsg_type; /* protocol-specific type */ williamr@2: /* followed by u_char cmsg_data[]; */ williamr@2: }; williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: /* williamr@2: * While we may have more groups than this, the cmsgcred struct must williamr@2: * be able to fit in an mbuf, and NGROUPS_MAX is too large to allow williamr@2: * this. williamr@2: */ williamr@2: #define CMGROUP_MAX 16 williamr@2: williamr@2: /* williamr@2: * Credentials structure, used to verify the identity of a peer williamr@2: * process that has sent us a message. This is allocated by the williamr@2: * peer process but filled in by the kernel. This prevents the williamr@2: * peer from lying about its identity. (Note that cmcred_groups[0] williamr@2: * is the effective GID.) williamr@2: */ williamr@2: struct cmsgcred { williamr@2: pid_t cmcred_pid; /* PID of sending process */ williamr@2: uid_t cmcred_uid; /* real UID of sending process */ williamr@2: uid_t cmcred_euid; /* effective UID of sending process */ williamr@2: gid_t cmcred_gid; /* real GID of sending process */ williamr@2: short cmcred_ngroups; /* number or groups */ williamr@2: gid_t cmcred_groups[CMGROUP_MAX]; /* groups */ williamr@2: }; williamr@2: williamr@2: /* williamr@2: * Socket credentials. williamr@2: */ williamr@2: struct sockcred { williamr@2: uid_t sc_uid; /* real user id */ williamr@2: uid_t sc_euid; /* effective user id */ williamr@2: gid_t sc_gid; /* real group id */ williamr@2: gid_t sc_egid; /* effective group id */ williamr@2: int sc_ngroups; /* number of supplemental groups */ williamr@2: gid_t sc_groups[1]; /* variable length */ williamr@2: }; williamr@2: williamr@2: /* williamr@2: * Compute size of a sockcred structure with groups. williamr@2: */ williamr@2: #define SOCKCREDSIZE(ngrps) \ williamr@2: (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1))) williamr@2: williamr@2: #endif /* __BSD_VISIBLE */ williamr@2: williamr@2: /* given pointer to struct cmsghdr, return pointer to data */ williamr@2: #define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ williamr@2: _ALIGN(sizeof(struct cmsghdr))) williamr@2: williamr@2: /* given pointer to struct cmsghdr, return pointer to next cmsghdr */ williamr@2: #define CMSG_NXTHDR(mhdr, cmsg) \ williamr@2: (((char *)(cmsg) + _ALIGN((cmsg)->cmsg_len) + \ williamr@2: _ALIGN(sizeof(struct cmsghdr)) > \ williamr@2: (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \ williamr@2: (struct cmsghdr *)0 : \ williamr@2: (struct cmsghdr *)((char *)(cmsg) + _ALIGN((cmsg)->cmsg_len))) williamr@2: williamr@2: /* williamr@2: * RFC 2292 requires to check msg_controllen, in case that the kernel returns williamr@2: * an empty list for some reasons. williamr@2: */ williamr@2: #define CMSG_FIRSTHDR(mhdr) \ williamr@2: ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ williamr@2: (struct cmsghdr *)(mhdr)->msg_control : \ williamr@2: (struct cmsghdr *)NULL) williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: /* RFC 2292 additions */ williamr@2: #define CMSG_SPACE(l) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l)) williamr@2: #define CMSG_LEN(l) (_ALIGN(sizeof(struct cmsghdr)) + (l)) williamr@2: #endif williamr@2: williamr@2: #ifdef _KERNEL williamr@2: #define CMSG_ALIGN(n) _ALIGN(n) williamr@2: #endif williamr@2: williamr@2: /* "Socket"-level control message types: */ williamr@2: #define SCM_RIGHTS 0x01 /* access rights (array of int) */ williamr@2: #if __BSD_VISIBLE williamr@2: #define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */ williamr@2: #define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */ williamr@2: #define SCM_BINTIME 0x04 /* timestamp (struct bintime) */ williamr@2: #endif williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: /* williamr@2: * 4.3 compat sockaddr, move to compat file later williamr@2: */ williamr@2: struct osockaddr { williamr@2: unsigned short sa_family; /* address family */ williamr@2: char sa_data[14]; /* up to 14 bytes of direct address */ williamr@2: }; williamr@2: williamr@2: /* williamr@2: * 4.3-compat message header (move to compat file later). williamr@2: */ williamr@2: struct omsghdr { williamr@2: char *msg_name; /* optional address */ williamr@2: int msg_namelen; /* size of address */ williamr@2: struct iovec *msg_iov; /* scatter/gather array */ williamr@2: int msg_iovlen; /* # elements in msg_iov */ williamr@2: char *msg_accrights; /* access rights sent/received */ williamr@2: int msg_accrightslen; williamr@2: }; williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * howto arguments for shutdown(2), specified by Posix.1g. williamr@2: */ williamr@2: #define SHUT_RD 0 /* shut down the reading side */ williamr@2: #define SHUT_WR 1 /* shut down the writing side */ williamr@2: #define SHUT_RDWR 2 /* shut down both sides */ williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: /* williamr@2: * sendfile(2) header/trailer struct williamr@2: */ williamr@2: struct sf_hdtr { williamr@2: struct iovec *headers; /* pointer to an array of header struct iovec's */ williamr@2: int hdr_cnt; /* number of header iovec's */ williamr@2: struct iovec *trailers; /* pointer to an array of trailer struct iovec's */ williamr@2: int trl_cnt; /* number of trailer iovec's */ williamr@2: }; williamr@2: williamr@2: /* williamr@2: * Sendfile-specific flag(s) williamr@2: */ williamr@2: #define SF_NODISKIO 0x00000001 williamr@2: #endif williamr@2: williamr@2: #ifndef _KERNEL williamr@2: williamr@2: #include williamr@2: williamr@2: __BEGIN_DECLS williamr@2: IMPORT_C int accept(int, struct sockaddr * __restrict, socklen_t * __restrict); williamr@2: IMPORT_C int bind(int, const struct sockaddr *, socklen_t); williamr@2: IMPORT_C int connect(int, const struct sockaddr *, socklen_t); williamr@2: IMPORT_C int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict); williamr@2: IMPORT_C int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict); williamr@2: IMPORT_C int getsockopt(int, int, int, void * __restrict, socklen_t * __restrict); williamr@2: IMPORT_C int listen(int, int); williamr@2: IMPORT_C ssize_t recv(int, void *, size_t, int); williamr@2: IMPORT_C ssize_t recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict); williamr@2: IMPORT_C ssize_t recvmsg(int, struct msghdr *, int); williamr@2: IMPORT_C ssize_t send(int, const void *, size_t, int); williamr@2: IMPORT_C ssize_t sendto(int, const void *, williamr@2: size_t, int, const struct sockaddr *, socklen_t); williamr@2: IMPORT_C ssize_t sendmsg(int, const struct msghdr *, int); williamr@2: IMPORT_C int setsockopt(int, int, int, const void *, socklen_t); williamr@2: IMPORT_C int shutdown(int, int); williamr@2: IMPORT_C int sockatmark(int); williamr@2: IMPORT_C int socket(int, int, int); williamr@2: __END_DECLS williamr@2: williamr@2: #endif /* !_KERNEL */ williamr@2: williamr@2: #endif /* !_SYS_SOCKET_H_ */