17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 52caf0dcdSrshoaib * Common Development and Distribution License (the "License"). 62caf0dcdSrshoaib * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 212caf0dcdSrshoaib 227c478bd9Sstevel@tonic-gate /* 2317169044Sbrutus * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* 317c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 327c478bd9Sstevel@tonic-gate * The Regents of the University of California 337c478bd9Sstevel@tonic-gate * All Rights Reserved 347c478bd9Sstevel@tonic-gate * 357c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 367c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 377c478bd9Sstevel@tonic-gate * contributors. 387c478bd9Sstevel@tonic-gate */ 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate #ifndef _SYS_SOCKETVAR_H 417c478bd9Sstevel@tonic-gate #define _SYS_SOCKETVAR_H 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate #include <sys/types.h> 447c478bd9Sstevel@tonic-gate #include <sys/stream.h> 457c478bd9Sstevel@tonic-gate #include <sys/t_lock.h> 467c478bd9Sstevel@tonic-gate #include <sys/cred.h> 477c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 487c478bd9Sstevel@tonic-gate #include <sys/file.h> 497c478bd9Sstevel@tonic-gate #include <sys/param.h> 507c478bd9Sstevel@tonic-gate #include <sys/zone.h> 510f1702c5SYu Xiangning #include <sys/sdt.h> 520f1702c5SYu Xiangning #include <sys/modctl.h> 530f1702c5SYu Xiangning #include <sys/atomic.h> 540f1702c5SYu Xiangning #include <sys/socket.h> 550f1702c5SYu Xiangning #include <sys/ksocket.h> 5617169044Sbrutus #include <sys/sodirect.h> 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate #ifdef __cplusplus 597c478bd9Sstevel@tonic-gate extern "C" { 607c478bd9Sstevel@tonic-gate #endif 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate /* 637c478bd9Sstevel@tonic-gate * Internal representation of the address used to represent addresses 647c478bd9Sstevel@tonic-gate * in the loopback transport for AF_UNIX. While the sockaddr_un is used 657c478bd9Sstevel@tonic-gate * as the sockfs layer address for AF_UNIX the pathnames contained in 667c478bd9Sstevel@tonic-gate * these addresses are not unique (due to relative pathnames) thus can not 677c478bd9Sstevel@tonic-gate * be used in the transport. 687c478bd9Sstevel@tonic-gate * 697c478bd9Sstevel@tonic-gate * The transport level address consists of a magic number (used to separate the 707c478bd9Sstevel@tonic-gate * name space for specific and implicit binds). For a specific bind 717c478bd9Sstevel@tonic-gate * this is followed by a "vnode *" which ensures that all specific binds 727c478bd9Sstevel@tonic-gate * have a unique transport level address. For implicit binds the latter 737c478bd9Sstevel@tonic-gate * part of the address is a byte string (of the same length as a pointer) 747c478bd9Sstevel@tonic-gate * that is assigned by the loopback transport. 757c478bd9Sstevel@tonic-gate * 767c478bd9Sstevel@tonic-gate * The uniqueness assumes that the loopback transport has a separate namespace 777c478bd9Sstevel@tonic-gate * for sockets in order to avoid name conflicts with e.g. TLI use of the 787c478bd9Sstevel@tonic-gate * same transport. 797c478bd9Sstevel@tonic-gate */ 807c478bd9Sstevel@tonic-gate struct so_ux_addr { 817c478bd9Sstevel@tonic-gate void *soua_vp; /* vnode pointer or assigned by tl */ 827c478bd9Sstevel@tonic-gate uint_t soua_magic; /* See below */ 837c478bd9Sstevel@tonic-gate }; 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate #define SOU_MAGIC_EXPLICIT 0x75787670 /* "uxvp" */ 867c478bd9Sstevel@tonic-gate #define SOU_MAGIC_IMPLICIT 0x616e6f6e /* "anon" */ 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate struct sockaddr_ux { 897c478bd9Sstevel@tonic-gate sa_family_t sou_family; /* AF_UNIX */ 907c478bd9Sstevel@tonic-gate struct so_ux_addr sou_addr; 917c478bd9Sstevel@tonic-gate }; 927c478bd9Sstevel@tonic-gate 930f1702c5SYu Xiangning #if defined(_KERNEL) || defined(_KMEMUSER) 940f1702c5SYu Xiangning 950f1702c5SYu Xiangning #include <sys/socket_proto.h> 960f1702c5SYu Xiangning 977c478bd9Sstevel@tonic-gate typedef struct sonodeops sonodeops_t; 98ff550d0eSmasputra typedef struct sonode sonode_t; 997c478bd9Sstevel@tonic-gate 1007c478bd9Sstevel@tonic-gate /* 1017c478bd9Sstevel@tonic-gate * The sonode represents a socket. A sonode never exist in the file system 1027c478bd9Sstevel@tonic-gate * name space and can not be opened using open() - only the socket, socketpair 1037c478bd9Sstevel@tonic-gate * and accept calls create sonodes. 1047c478bd9Sstevel@tonic-gate * 1050f1702c5SYu Xiangning * The locking of sockfs uses the so_lock mutex plus the SOLOCKED and 1060f1702c5SYu Xiangning * SOREADLOCKED flags in so_flag. The mutex protects all the state in the 1070f1702c5SYu Xiangning * sonode. It is expected that the underlying transport protocol serializes 1080f1702c5SYu Xiangning * socket operations, so sockfs will not normally not single-thread 1090f1702c5SYu Xiangning * operations. However, certain sockets, including TPI based ones, can only 1100f1702c5SYu Xiangning * handle one control operation at a time. The SOLOCKED flag is used to 1110f1702c5SYu Xiangning * single-thread operations from sockfs users to prevent e.g. multiple bind() 1120f1702c5SYu Xiangning * calls to operate on the same sonode concurrently. The SOREADLOCKED flag is 1130f1702c5SYu Xiangning * used to ensure that only one thread sleeps in kstrgetmsg for a given 1140f1702c5SYu Xiangning * sonode. This is needed to ensure atomic operation for things like 1150f1702c5SYu Xiangning * MSG_WAITALL. 1167c478bd9Sstevel@tonic-gate * 1170f1702c5SYu Xiangning * The so_fallback_rwlock is used to ensure that for sockets that can 1180f1702c5SYu Xiangning * fall back to TPI, the fallback is not initiated until all pending 1190f1702c5SYu Xiangning * operations have completed. 1207c478bd9Sstevel@tonic-gate * 1217c478bd9Sstevel@tonic-gate * Note that so_lock is sometimes held across calls that might go to sleep 1227c478bd9Sstevel@tonic-gate * (kmem_alloc and soallocproto*). This implies that no other lock in 1237c478bd9Sstevel@tonic-gate * the system should be held when calling into sockfs; from the system call 1240f1702c5SYu Xiangning * side or from strrput (in case of TPI based sockets). If locks are held 1250f1702c5SYu Xiangning * while calling into sockfs the system might hang when running low on memory. 1267c478bd9Sstevel@tonic-gate */ 1277c478bd9Sstevel@tonic-gate struct sonode { 1287c478bd9Sstevel@tonic-gate struct vnode *so_vnode; /* vnode associated with this sonode */ 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate sonodeops_t *so_ops; /* operations vector for this sonode */ 1310f1702c5SYu Xiangning void *so_priv; /* sonode private data */ 1327c478bd9Sstevel@tonic-gate 1330f1702c5SYu Xiangning krwlock_t so_fallback_rwlock; 1347c478bd9Sstevel@tonic-gate kmutex_t so_lock; /* protects sonode fields */ 1350f1702c5SYu Xiangning 1367c478bd9Sstevel@tonic-gate kcondvar_t so_state_cv; /* synchronize state changes */ 1377c478bd9Sstevel@tonic-gate kcondvar_t so_want_cv; /* wait due to SOLOCKED */ 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate /* These fields are protected by so_lock */ 1400f1702c5SYu Xiangning 1417c478bd9Sstevel@tonic-gate uint_t so_state; /* internal state flags SS_*, below */ 1427c478bd9Sstevel@tonic-gate uint_t so_mode; /* characteristics on socket. SM_* */ 1437c478bd9Sstevel@tonic-gate ushort_t so_flag; /* flags, see below */ 1447c478bd9Sstevel@tonic-gate int so_count; /* count of opened references */ 1457c478bd9Sstevel@tonic-gate 1460f1702c5SYu Xiangning sock_connid_t so_proto_connid; /* protocol generation number */ 1470f1702c5SYu Xiangning 1480f1702c5SYu Xiangning ushort_t so_error; /* error affecting connection */ 1490f1702c5SYu Xiangning 1500f1702c5SYu Xiangning struct sockparams *so_sockparams; /* vnode or socket module */ 1517c478bd9Sstevel@tonic-gate /* Needed to recreate the same socket for accept */ 1527c478bd9Sstevel@tonic-gate short so_family; 1537c478bd9Sstevel@tonic-gate short so_type; 1547c478bd9Sstevel@tonic-gate short so_protocol; 1557c478bd9Sstevel@tonic-gate short so_version; /* From so_socket call */ 1560f1702c5SYu Xiangning 1570f1702c5SYu Xiangning /* Accept queue */ 1580f1702c5SYu Xiangning kmutex_t so_acceptq_lock; /* protects accept queue */ 1590f1702c5SYu Xiangning struct sonode *so_acceptq_next; /* acceptq list node */ 1600f1702c5SYu Xiangning struct sonode *so_acceptq_head; 1610f1702c5SYu Xiangning struct sonode **so_acceptq_tail; 1620f1702c5SYu Xiangning unsigned int so_acceptq_len; 1630f1702c5SYu Xiangning unsigned int so_backlog; /* Listen backlog */ 1640f1702c5SYu Xiangning kcondvar_t so_acceptq_cv; /* wait for new conn. */ 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate /* Options */ 1677c478bd9Sstevel@tonic-gate short so_options; /* From socket call, see socket.h */ 1687c478bd9Sstevel@tonic-gate struct linger so_linger; /* SO_LINGER value */ 1690f1702c5SYu Xiangning #define so_sndbuf so_proto_props.sopp_txhiwat /* SO_SNDBUF value */ 1700f1702c5SYu Xiangning #define so_sndlowat so_proto_props.sopp_txlowat /* tx low water mark */ 1710f1702c5SYu Xiangning #define so_rcvbuf so_proto_props.sopp_rxhiwat /* SO_RCVBUF value */ 1720f1702c5SYu Xiangning #define so_rcvlowat so_proto_props.sopp_rxlowat /* rx low water mark */ 1730f1702c5SYu Xiangning #define so_max_addr_len so_proto_props.sopp_maxaddrlen 1740f1702c5SYu Xiangning #define so_minpsz so_proto_props.sopp_minpsz 1750f1702c5SYu Xiangning #define so_maxpsz so_proto_props.sopp_maxpsz 1767c478bd9Sstevel@tonic-gate 1770f1702c5SYu Xiangning clock_t so_sndtimeo; /* send timeout */ 1780f1702c5SYu Xiangning clock_t so_rcvtimeo; /* recv timeout */ 1790f1702c5SYu Xiangning 1807c478bd9Sstevel@tonic-gate mblk_t *so_oobmsg; /* outofline oob data */ 1810f1702c5SYu Xiangning ssize_t so_oobmark; /* offset of the oob data */ 1820f1702c5SYu Xiangning 1837c478bd9Sstevel@tonic-gate pid_t so_pgrp; /* pgrp for signals */ 1847c478bd9Sstevel@tonic-gate 1857c478bd9Sstevel@tonic-gate cred_t *so_peercred; /* connected socket peer cred */ 1867c478bd9Sstevel@tonic-gate pid_t so_cpid; /* connected socket peer cached pid */ 1877c478bd9Sstevel@tonic-gate zoneid_t so_zoneid; /* opener's zoneid */ 1887c478bd9Sstevel@tonic-gate 1890f1702c5SYu Xiangning struct pollhead so_poll_list; /* common pollhead */ 1900f1702c5SYu Xiangning short so_pollev; /* events that should be generated */ 1917c478bd9Sstevel@tonic-gate 1920f1702c5SYu Xiangning /* Receive */ 1930f1702c5SYu Xiangning unsigned int so_rcv_queued; 1940f1702c5SYu Xiangning mblk_t *so_rcv_q_head; 1950f1702c5SYu Xiangning mblk_t *so_rcv_q_last_head; 1960f1702c5SYu Xiangning mblk_t *so_rcv_head; /* 1st mblk in the list */ 1970f1702c5SYu Xiangning mblk_t *so_rcv_last_head; /* last mblk in b_next chain */ 1980f1702c5SYu Xiangning kcondvar_t so_rcv_cv; 1990f1702c5SYu Xiangning uint_t so_rcv_wanted; /* # of bytes wanted by app */ 2000f1702c5SYu Xiangning timeout_id_t so_rcv_timer_tid; 201c28749e9Skais 2020f1702c5SYu Xiangning #define so_rcv_thresh so_proto_props.sopp_rcvthresh 2030f1702c5SYu Xiangning #define so_rcv_timer_interval so_proto_props.sopp_rcvtimer 2040f1702c5SYu Xiangning 2050f1702c5SYu Xiangning kcondvar_t so_snd_cv; 206*d36be52eSRao Shoaib uint32_t 207*d36be52eSRao Shoaib so_snd_qfull: 1, /* Transmit full */ 208*d36be52eSRao Shoaib so_rcv_wakeup: 1, 209*d36be52eSRao Shoaib so_snd_wakeup: 1, 210*d36be52eSRao Shoaib so_not_str: 1, /* B_TRUE if not streams based socket */ 211*d36be52eSRao Shoaib so_pad_to_bit_31: 28; 2120f1702c5SYu Xiangning 2130f1702c5SYu Xiangning /* Communication channel with protocol */ 2140f1702c5SYu Xiangning sock_lower_handle_t so_proto_handle; 2150f1702c5SYu Xiangning sock_downcalls_t *so_downcalls; 2160f1702c5SYu Xiangning 2170f1702c5SYu Xiangning struct sock_proto_props so_proto_props; /* protocol settings */ 2180f1702c5SYu Xiangning boolean_t so_flowctrld; /* Flow controlled */ 2190f1702c5SYu Xiangning uint_t so_copyflag; /* Copy related flag */ 2200f1702c5SYu Xiangning kcondvar_t so_copy_cv; /* Copy cond variable */ 2210f1702c5SYu Xiangning 2220f1702c5SYu Xiangning /* kernel sockets */ 2230f1702c5SYu Xiangning ksocket_callbacks_t so_ksock_callbacks; 2240f1702c5SYu Xiangning void *so_ksock_cb_arg; /* callback argument */ 2250f1702c5SYu Xiangning kcondvar_t so_closing_cv; 22617169044Sbrutus 22717169044Sbrutus /* != NULL for sodirect_t enabled socket */ 22817169044Sbrutus sodirect_t *so_direct; 2297c478bd9Sstevel@tonic-gate }; 2307c478bd9Sstevel@tonic-gate 2310f1702c5SYu Xiangning /* 2320f1702c5SYu Xiangning * We do an initial check for events without holding locks. However, 2330f1702c5SYu Xiangning * if there are no event available, then we redo the check for POLLIN 2340f1702c5SYu Xiangning * events under the lock. 2350f1702c5SYu Xiangning */ 2360f1702c5SYu Xiangning #define SO_HAVE_DATA(so) \ 2370f1702c5SYu Xiangning ((so)->so_rcv_timer_tid == 0 && (so->so_rcv_queued > 0)) || \ 2380f1702c5SYu Xiangning ((so)->so_rcv_queued > (so)->so_rcv_thresh) || \ 2390f1702c5SYu Xiangning ((so)->so_state & SS_CANTRCVMORE) 2400f1702c5SYu Xiangning 2410f1702c5SYu Xiangning /* 2420f1702c5SYu Xiangning * Events handled by the protocol (in case sd_poll is set) 2430f1702c5SYu Xiangning */ 2440f1702c5SYu Xiangning #define SO_PROTO_POLLEV (POLLIN|POLLRDNORM|POLLRDBAND) 2450f1702c5SYu Xiangning 2460f1702c5SYu Xiangning 2470f1702c5SYu Xiangning #endif /* _KERNEL || _KMEMUSER */ 2480f1702c5SYu Xiangning 2497c478bd9Sstevel@tonic-gate /* flags */ 2507c478bd9Sstevel@tonic-gate #define SOMOD 0x0001 /* update socket modification time */ 2517c478bd9Sstevel@tonic-gate #define SOACC 0x0002 /* update socket access time */ 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate #define SOLOCKED 0x0010 /* use to serialize open/closes */ 2547c478bd9Sstevel@tonic-gate #define SOREADLOCKED 0x0020 /* serialize kstrgetmsg calls */ 2557c478bd9Sstevel@tonic-gate #define SOWANT 0x0040 /* some process waiting on lock */ 2567c478bd9Sstevel@tonic-gate #define SOCLONE 0x0080 /* child of clone driver */ 2577c478bd9Sstevel@tonic-gate #define SOASYNC_UNBIND 0x0100 /* wait for ACK of async unbind */ 2587c478bd9Sstevel@tonic-gate 259*d36be52eSRao Shoaib #define SOCK_IS_NONSTR(so) ((so)->so_not_str) 2600f1702c5SYu Xiangning 2617c478bd9Sstevel@tonic-gate /* 2627c478bd9Sstevel@tonic-gate * Socket state bits. 2637c478bd9Sstevel@tonic-gate */ 2647c478bd9Sstevel@tonic-gate #define SS_ISCONNECTED 0x00000001 /* socket connected to a peer */ 2657c478bd9Sstevel@tonic-gate #define SS_ISCONNECTING 0x00000002 /* in process, connecting to peer */ 2667c478bd9Sstevel@tonic-gate #define SS_ISDISCONNECTING 0x00000004 /* in process of disconnecting */ 2677c478bd9Sstevel@tonic-gate #define SS_CANTSENDMORE 0x00000008 /* can't send more data to peer */ 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate #define SS_CANTRCVMORE 0x00000010 /* can't receive more data */ 2707c478bd9Sstevel@tonic-gate #define SS_ISBOUND 0x00000020 /* socket is bound */ 2717c478bd9Sstevel@tonic-gate #define SS_NDELAY 0x00000040 /* FNDELAY non-blocking */ 2727c478bd9Sstevel@tonic-gate #define SS_NONBLOCK 0x00000080 /* O_NONBLOCK non-blocking */ 2737c478bd9Sstevel@tonic-gate 2747c478bd9Sstevel@tonic-gate #define SS_ASYNC 0x00000100 /* async i/o notify */ 2757c478bd9Sstevel@tonic-gate #define SS_ACCEPTCONN 0x00000200 /* listen done */ 2760f1702c5SYu Xiangning /* unused 0x00000400 */ /* was SS_HASCONNIND */ 2777c478bd9Sstevel@tonic-gate #define SS_SAVEDEOR 0x00000800 /* Saved MSG_EOR rcv side state */ 2787c478bd9Sstevel@tonic-gate 2797c478bd9Sstevel@tonic-gate #define SS_RCVATMARK 0x00001000 /* at mark on input */ 2807c478bd9Sstevel@tonic-gate #define SS_OOBPEND 0x00002000 /* OOB pending or present - poll */ 2817c478bd9Sstevel@tonic-gate #define SS_HAVEOOBDATA 0x00004000 /* OOB data present */ 2827c478bd9Sstevel@tonic-gate #define SS_HADOOBDATA 0x00008000 /* OOB data consumed */ 2830f1702c5SYu Xiangning #define SS_CLOSING 0x00010000 /* in process of closing */ 2847c478bd9Sstevel@tonic-gate 2850f1702c5SYu Xiangning /* unused 0x00020000 */ /* was SS_FADDR_NOXLATE */ 2860f1702c5SYu Xiangning /* unused 0x00040000 */ /* was SS_HASDATA */ 2870f1702c5SYu Xiangning /* unused 0x00080000 */ /* was SS_DONEREAD */ 2880f1702c5SYu Xiangning /* unused 0x00100000 */ /* was SS_MOREDATA */ 2890f1702c5SYu Xiangning /* unused 0x00200000 */ /* was SS_DIRECT */ 2907c478bd9Sstevel@tonic-gate 29117169044Sbrutus #define SS_SODIRECT 0x00400000 /* transport supports sodirect */ 2927c478bd9Sstevel@tonic-gate 2930f1702c5SYu Xiangning /* unused 0x01000000 */ /* was SS_LADDR_VALID */ 2940f1702c5SYu Xiangning /* unused 0x02000000 */ /* was SS_FADDR_VALID */ 2950f1702c5SYu Xiangning 2960f1702c5SYu Xiangning #define SS_SENTLASTREADSIG 0x10000000 /* last rx signal has been sent */ 2970f1702c5SYu Xiangning #define SS_SENTLASTWRITESIG 0x20000000 /* last tx signal has been sent */ 2980f1702c5SYu Xiangning 2990f1702c5SYu Xiangning #define SS_FALLBACK_PENDING 0x40000000 3000f1702c5SYu Xiangning #define SS_FALLBACK_COMP 0x80000000 3010f1702c5SYu Xiangning 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate /* Set of states when the socket can't be rebound */ 3047c478bd9Sstevel@tonic-gate #define SS_CANTREBIND (SS_ISCONNECTED|SS_ISCONNECTING|SS_ISDISCONNECTING|\ 3057c478bd9Sstevel@tonic-gate SS_CANTSENDMORE|SS_CANTRCVMORE|SS_ACCEPTCONN) 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate /* 3080f1702c5SYu Xiangning * Sockets that can fall back to TPI must ensure that fall back is not 3090f1702c5SYu Xiangning * initiated while a thread is using a socket. 3100f1702c5SYu Xiangning */ 3110f1702c5SYu Xiangning #define SO_BLOCK_FALLBACK(so, fn) { \ 3120f1702c5SYu Xiangning ASSERT(MUTEX_NOT_HELD(&(so)->so_lock)); \ 3130f1702c5SYu Xiangning rw_enter(&(so)->so_fallback_rwlock, RW_READER); \ 3140f1702c5SYu Xiangning if ((so)->so_state & SS_FALLBACK_COMP) { \ 3150f1702c5SYu Xiangning rw_exit(&(so)->so_fallback_rwlock); \ 3160f1702c5SYu Xiangning return (fn); \ 3170f1702c5SYu Xiangning } \ 3180f1702c5SYu Xiangning } 3190f1702c5SYu Xiangning 3200f1702c5SYu Xiangning #define SO_UNBLOCK_FALLBACK(so) { \ 3210f1702c5SYu Xiangning rw_exit(&(so)->so_fallback_rwlock); \ 3220f1702c5SYu Xiangning } 3230f1702c5SYu Xiangning 3240f1702c5SYu Xiangning /* Poll events */ 3250f1702c5SYu Xiangning #define SO_POLLEV_IN 0x1 /* POLLIN wakeup needed */ 3260f1702c5SYu Xiangning #define SO_POLLEV_ALWAYS 0x2 /* wakeups */ 3270f1702c5SYu Xiangning 3280f1702c5SYu Xiangning /* 3297c478bd9Sstevel@tonic-gate * Characteristics of sockets. Not changed after the socket is created. 3307c478bd9Sstevel@tonic-gate */ 3317c478bd9Sstevel@tonic-gate #define SM_PRIV 0x001 /* privileged for broadcast, raw... */ 3327c478bd9Sstevel@tonic-gate #define SM_ATOMIC 0x002 /* atomic data transmission */ 3337c478bd9Sstevel@tonic-gate #define SM_ADDR 0x004 /* addresses given with messages */ 3347c478bd9Sstevel@tonic-gate #define SM_CONNREQUIRED 0x008 /* connection required by protocol */ 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate #define SM_FDPASSING 0x010 /* passes file descriptors */ 3377c478bd9Sstevel@tonic-gate #define SM_EXDATA 0x020 /* Can handle T_EXDATA_REQ */ 3387c478bd9Sstevel@tonic-gate #define SM_OPTDATA 0x040 /* Can handle T_OPTDATA_REQ */ 3397c478bd9Sstevel@tonic-gate #define SM_BYTESTREAM 0x080 /* Byte stream - can use M_DATA */ 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate #define SM_ACCEPTOR_ID 0x100 /* so_acceptor_id is valid */ 3427c478bd9Sstevel@tonic-gate 3430f1702c5SYu Xiangning #define SM_KERNEL 0x200 /* kernel socket */ 3440f1702c5SYu Xiangning 3450f1702c5SYu Xiangning #define SM_ACCEPTSUPP 0x400 /* can handle accept() */ 3460f1702c5SYu Xiangning 3477c478bd9Sstevel@tonic-gate /* 3487c478bd9Sstevel@tonic-gate * Socket versions. Used by the socket library when calling _so_socket(). 3497c478bd9Sstevel@tonic-gate */ 3507c478bd9Sstevel@tonic-gate #define SOV_STREAM 0 /* Not a socket - just a stream */ 3517c478bd9Sstevel@tonic-gate #define SOV_DEFAULT 1 /* Select based on so_default_version */ 3527c478bd9Sstevel@tonic-gate #define SOV_SOCKSTREAM 2 /* Socket plus streams operations */ 3537c478bd9Sstevel@tonic-gate #define SOV_SOCKBSD 3 /* Socket with no streams operations */ 3547c478bd9Sstevel@tonic-gate #define SOV_XPG4_2 4 /* Xnet socket */ 3557c478bd9Sstevel@tonic-gate 3567c478bd9Sstevel@tonic-gate #if defined(_KERNEL) || defined(_KMEMUSER) 3570f1702c5SYu Xiangning 3587c478bd9Sstevel@tonic-gate /* 3590f1702c5SYu Xiangning * sonode create and destroy functions. 3600f1702c5SYu Xiangning */ 3610f1702c5SYu Xiangning typedef struct sonode *(*so_create_func_t)(struct sockparams *, 3620f1702c5SYu Xiangning int, int, int, int, int, int *, cred_t *); 3630f1702c5SYu Xiangning typedef void (*so_destroy_func_t)(struct sonode *); 3640f1702c5SYu Xiangning 3650f1702c5SYu Xiangning /* STREAM device information */ 3660f1702c5SYu Xiangning typedef struct sdev_info { 3670f1702c5SYu Xiangning char *sd_devpath; 3680f1702c5SYu Xiangning int sd_devpathlen; /* Is 0 if sp_devpath is a static string */ 3690f1702c5SYu Xiangning vnode_t *sd_vnode; 3700f1702c5SYu Xiangning } sdev_info_t; 3710f1702c5SYu Xiangning 3720f1702c5SYu Xiangning #define SOCKMOD_VERSION 1 3730f1702c5SYu Xiangning /* name of the TPI pseudo socket module */ 3740f1702c5SYu Xiangning #define SOTPI_SMOD_NAME "socktpi" 3750f1702c5SYu Xiangning 3760f1702c5SYu Xiangning typedef struct __smod_priv_s { 3770f1702c5SYu Xiangning so_create_func_t smodp_sock_create_func; 3780f1702c5SYu Xiangning so_destroy_func_t smodp_sock_destroy_func; 3790f1702c5SYu Xiangning so_proto_fallback_func_t smodp_proto_fallback_func; 3800f1702c5SYu Xiangning } __smod_priv_t; 3810f1702c5SYu Xiangning 3820f1702c5SYu Xiangning /* 3830f1702c5SYu Xiangning * Socket module register information 3840f1702c5SYu Xiangning */ 3850f1702c5SYu Xiangning typedef struct smod_reg_s { 3860f1702c5SYu Xiangning int smod_version; 3870f1702c5SYu Xiangning char *smod_name; 3880f1702c5SYu Xiangning size_t smod_uc_version; 3890f1702c5SYu Xiangning size_t smod_dc_version; 3900f1702c5SYu Xiangning so_proto_create_func_t smod_proto_create_func; 3910f1702c5SYu Xiangning 3920f1702c5SYu Xiangning /* __smod_priv_data must be NULL */ 3930f1702c5SYu Xiangning __smod_priv_t *__smod_priv; 3940f1702c5SYu Xiangning } smod_reg_t; 3950f1702c5SYu Xiangning 3960f1702c5SYu Xiangning /* 3970f1702c5SYu Xiangning * Socket module information 3980f1702c5SYu Xiangning */ 3990f1702c5SYu Xiangning typedef struct smod_info { 4000f1702c5SYu Xiangning int smod_version; 4010f1702c5SYu Xiangning char *smod_name; 4020f1702c5SYu Xiangning uint_t smod_refcnt; /* # of entries */ 4030f1702c5SYu Xiangning size_t smod_uc_version; /* upcall version */ 4040f1702c5SYu Xiangning size_t smod_dc_version; /* down call version */ 4050f1702c5SYu Xiangning so_proto_create_func_t smod_proto_create_func; 4060f1702c5SYu Xiangning so_proto_fallback_func_t smod_proto_fallback_func; 4070f1702c5SYu Xiangning so_create_func_t smod_sock_create_func; 4080f1702c5SYu Xiangning so_destroy_func_t smod_sock_destroy_func; 4090f1702c5SYu Xiangning list_node_t smod_node; 4100f1702c5SYu Xiangning } smod_info_t; 4110f1702c5SYu Xiangning 4120f1702c5SYu Xiangning /* 4130f1702c5SYu Xiangning * sockparams 4140f1702c5SYu Xiangning * 4150f1702c5SYu Xiangning * Used for mapping family/type/protocol to module 4167c478bd9Sstevel@tonic-gate */ 4177c478bd9Sstevel@tonic-gate struct sockparams { 4180f1702c5SYu Xiangning /* 4190f1702c5SYu Xiangning * The family, type, protocol, sdev_info and smod_info are 4200f1702c5SYu Xiangning * set when the entry is created, and they will never change 4210f1702c5SYu Xiangning * thereafter. 4220f1702c5SYu Xiangning */ 4230f1702c5SYu Xiangning int sp_family; 4247c478bd9Sstevel@tonic-gate int sp_type; 4257c478bd9Sstevel@tonic-gate int sp_protocol; 4260f1702c5SYu Xiangning 4270f1702c5SYu Xiangning sdev_info_t sp_sdev_info; /* STREAM device */ 4280f1702c5SYu Xiangning char *sp_smod_name; /* socket module name */ 4290f1702c5SYu Xiangning smod_info_t *sp_smod_info; /* socket module */ 4300f1702c5SYu Xiangning 4310f1702c5SYu Xiangning kmutex_t sp_lock; /* lock for refcnt */ 4320f1702c5SYu Xiangning uint64_t sp_refcnt; /* entry reference count */ 4330f1702c5SYu Xiangning 4340f1702c5SYu Xiangning /* 4350f1702c5SYu Xiangning * The entries below are only modified while holding 4360f1702c5SYu Xiangning * splist_lock as a writer. 4370f1702c5SYu Xiangning */ 4380f1702c5SYu Xiangning int sp_flags; /* see below */ 4390f1702c5SYu Xiangning list_node_t sp_node; 4407c478bd9Sstevel@tonic-gate }; 4417c478bd9Sstevel@tonic-gate 4420f1702c5SYu Xiangning 4430f1702c5SYu Xiangning /* 4440f1702c5SYu Xiangning * sockparams flags 4450f1702c5SYu Xiangning */ 4460f1702c5SYu Xiangning #define SOCKPARAMS_EPHEMERAL 0x1 /* temp. entry, not on global list */ 4470f1702c5SYu Xiangning 4480f1702c5SYu Xiangning extern void sockparams_init(void); 4490f1702c5SYu Xiangning extern struct sockparams *sockparams_hold_ephemeral_bydev(int, int, int, 4500f1702c5SYu Xiangning const char *, int, int *); 4510f1702c5SYu Xiangning extern struct sockparams *sockparams_hold_ephemeral_bymod(int, int, int, 4520f1702c5SYu Xiangning const char *, int, int *); 4530f1702c5SYu Xiangning extern void sockparams_ephemeral_drop_last_ref(struct sockparams *); 4540f1702c5SYu Xiangning 4550f1702c5SYu Xiangning extern void smod_init(void); 4560f1702c5SYu Xiangning extern void smod_add(smod_info_t *); 4570f1702c5SYu Xiangning extern int smod_register(const smod_reg_t *); 4580f1702c5SYu Xiangning extern int smod_unregister(const char *); 4590f1702c5SYu Xiangning extern smod_info_t *smod_lookup_byname(const char *); 4600f1702c5SYu Xiangning 4610f1702c5SYu Xiangning #define SOCKPARAMS_HAS_DEVICE(sp) \ 4620f1702c5SYu Xiangning ((sp)->sp_sdev_info.sd_devpath != NULL) 4630f1702c5SYu Xiangning 4640f1702c5SYu Xiangning /* Increase the smod_info_t reference count */ 4650f1702c5SYu Xiangning #define SMOD_INC_REF(smodp) { \ 4660f1702c5SYu Xiangning ASSERT((smodp) != NULL); \ 4670f1702c5SYu Xiangning DTRACE_PROBE1(smodinfo__inc__ref, struct smod_info *, (smodp)); \ 4680f1702c5SYu Xiangning atomic_inc_uint(&(smodp)->smod_refcnt); \ 4690f1702c5SYu Xiangning } 4700f1702c5SYu Xiangning 4710f1702c5SYu Xiangning /* 4720f1702c5SYu Xiangning * Decreace the socket module entry reference count. 4730f1702c5SYu Xiangning * When no one mapping to the entry, we try to unload the module from the 4740f1702c5SYu Xiangning * kernel. If the module can't unload, just leave the module entry with 4750f1702c5SYu Xiangning * a zero refcnt. 4760f1702c5SYu Xiangning */ 4770f1702c5SYu Xiangning #define SMOD_DEC_REF(sp, smodp) { \ 4780f1702c5SYu Xiangning ASSERT((smodp) != NULL); \ 4790f1702c5SYu Xiangning ASSERT((smodp)->smod_refcnt != 0); \ 4800f1702c5SYu Xiangning atomic_dec_uint(&(smodp)->smod_refcnt); \ 4810f1702c5SYu Xiangning /* \ 4820f1702c5SYu Xiangning * No need to atomically check the return value because the \ 4830f1702c5SYu Xiangning * socket module framework will verify that no one is using \ 4840f1702c5SYu Xiangning * the module before unloading. Worst thing that can happen \ 4850f1702c5SYu Xiangning * here is multiple calls to mod_remove_by_name(), which is OK. \ 4860f1702c5SYu Xiangning */ \ 4870f1702c5SYu Xiangning if ((smodp)->smod_refcnt == 0) \ 4880f1702c5SYu Xiangning (void) mod_remove_by_name((sp)->sp_smod_name); \ 4890f1702c5SYu Xiangning } 4900f1702c5SYu Xiangning 4910f1702c5SYu Xiangning /* Increase the reference count */ 4920f1702c5SYu Xiangning #define SOCKPARAMS_INC_REF(sp) { \ 4930f1702c5SYu Xiangning ASSERT((sp) != NULL); \ 4940f1702c5SYu Xiangning DTRACE_PROBE1(sockparams__inc__ref, struct sockparams *, (sp)); \ 4950f1702c5SYu Xiangning mutex_enter(&(sp)->sp_lock); \ 4960f1702c5SYu Xiangning (sp)->sp_refcnt++; \ 4970f1702c5SYu Xiangning ASSERT((sp)->sp_refcnt != 0); \ 4980f1702c5SYu Xiangning mutex_exit(&(sp)->sp_lock); \ 4990f1702c5SYu Xiangning } 5000f1702c5SYu Xiangning 5010f1702c5SYu Xiangning /* 5020f1702c5SYu Xiangning * Decrease the reference count. 5030f1702c5SYu Xiangning * 5040f1702c5SYu Xiangning * If the sockparams is ephemeral, then the thread dropping the last ref 5050f1702c5SYu Xiangning * count will destroy the entry. 5060f1702c5SYu Xiangning */ 5070f1702c5SYu Xiangning #define SOCKPARAMS_DEC_REF(sp) { \ 5080f1702c5SYu Xiangning ASSERT((sp) != NULL); \ 5090f1702c5SYu Xiangning DTRACE_PROBE1(sockparams__dec__ref, struct sockparams *, (sp)); \ 5100f1702c5SYu Xiangning mutex_enter(&(sp)->sp_lock); \ 5110f1702c5SYu Xiangning ASSERT((sp)->sp_refcnt > 0); \ 5120f1702c5SYu Xiangning if ((sp)->sp_refcnt == 1) { \ 5130f1702c5SYu Xiangning if ((sp)->sp_flags & SOCKPARAMS_EPHEMERAL) { \ 5140f1702c5SYu Xiangning mutex_exit(&(sp)->sp_lock); \ 5150f1702c5SYu Xiangning sockparams_ephemeral_drop_last_ref((sp)); \ 5160f1702c5SYu Xiangning } else { \ 5170f1702c5SYu Xiangning (sp)->sp_refcnt--; \ 5180f1702c5SYu Xiangning if ((sp)->sp_smod_info != NULL) \ 5190f1702c5SYu Xiangning SMOD_DEC_REF(sp, (sp)->sp_smod_info); \ 5200f1702c5SYu Xiangning (sp)->sp_smod_info = NULL; \ 5210f1702c5SYu Xiangning mutex_exit(&(sp)->sp_lock); \ 5220f1702c5SYu Xiangning } \ 5230f1702c5SYu Xiangning } else { \ 5240f1702c5SYu Xiangning (sp)->sp_refcnt--; \ 5250f1702c5SYu Xiangning mutex_exit(&(sp)->sp_lock); \ 5260f1702c5SYu Xiangning } \ 5270f1702c5SYu Xiangning } 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate /* 5307c478bd9Sstevel@tonic-gate * Used to traverse the list of AF_UNIX sockets to construct the kstat 5317c478bd9Sstevel@tonic-gate * for netstat(1m). 5327c478bd9Sstevel@tonic-gate */ 5337c478bd9Sstevel@tonic-gate struct socklist { 5347c478bd9Sstevel@tonic-gate kmutex_t sl_lock; 5357c478bd9Sstevel@tonic-gate struct sonode *sl_list; 5367c478bd9Sstevel@tonic-gate }; 5377c478bd9Sstevel@tonic-gate 5387c478bd9Sstevel@tonic-gate extern struct socklist socklist; 5397c478bd9Sstevel@tonic-gate /* 5407c478bd9Sstevel@tonic-gate * ss_full_waits is the number of times the reader thread 5417c478bd9Sstevel@tonic-gate * waits when the queue is full and ss_empty_waits is the number 5427c478bd9Sstevel@tonic-gate * of times the consumer thread waits when the queue is empty. 5437c478bd9Sstevel@tonic-gate * No locks for these as they are just indicators of whether 5447c478bd9Sstevel@tonic-gate * disk or network or both is slow or fast. 5457c478bd9Sstevel@tonic-gate */ 5467c478bd9Sstevel@tonic-gate struct sendfile_stats { 5477c478bd9Sstevel@tonic-gate uint32_t ss_file_cached; 5487c478bd9Sstevel@tonic-gate uint32_t ss_file_not_cached; 5497c478bd9Sstevel@tonic-gate uint32_t ss_full_waits; 5507c478bd9Sstevel@tonic-gate uint32_t ss_empty_waits; 5517c478bd9Sstevel@tonic-gate uint32_t ss_file_segmap; 5527c478bd9Sstevel@tonic-gate }; 5537c478bd9Sstevel@tonic-gate 5547c478bd9Sstevel@tonic-gate /* 5557c478bd9Sstevel@tonic-gate * A single sendfile request is represented by snf_req. 5567c478bd9Sstevel@tonic-gate */ 5577c478bd9Sstevel@tonic-gate typedef struct snf_req { 5587c478bd9Sstevel@tonic-gate struct snf_req *sr_next; 5597c478bd9Sstevel@tonic-gate mblk_t *sr_mp_head; 5607c478bd9Sstevel@tonic-gate mblk_t *sr_mp_tail; 5617c478bd9Sstevel@tonic-gate kmutex_t sr_lock; 5627c478bd9Sstevel@tonic-gate kcondvar_t sr_cv; 5637c478bd9Sstevel@tonic-gate uint_t sr_qlen; 5647c478bd9Sstevel@tonic-gate int sr_hiwat; 5657c478bd9Sstevel@tonic-gate int sr_lowat; 5667c478bd9Sstevel@tonic-gate int sr_operation; 5677c478bd9Sstevel@tonic-gate struct vnode *sr_vp; 5687c478bd9Sstevel@tonic-gate file_t *sr_fp; 5697c478bd9Sstevel@tonic-gate ssize_t sr_maxpsz; 5707c478bd9Sstevel@tonic-gate u_offset_t sr_file_off; 5717c478bd9Sstevel@tonic-gate u_offset_t sr_file_size; 5727c478bd9Sstevel@tonic-gate #define SR_READ_DONE 0x80000000 5737c478bd9Sstevel@tonic-gate int sr_read_error; 5747c478bd9Sstevel@tonic-gate int sr_write_error; 5757c478bd9Sstevel@tonic-gate } snf_req_t; 5767c478bd9Sstevel@tonic-gate 5777c478bd9Sstevel@tonic-gate /* A queue of sendfile requests */ 5787c478bd9Sstevel@tonic-gate struct sendfile_queue { 5797c478bd9Sstevel@tonic-gate snf_req_t *snfq_req_head; 5807c478bd9Sstevel@tonic-gate snf_req_t *snfq_req_tail; 5817c478bd9Sstevel@tonic-gate kmutex_t snfq_lock; 5827c478bd9Sstevel@tonic-gate kcondvar_t snfq_cv; 5837c478bd9Sstevel@tonic-gate int snfq_svc_threads; /* # of service threads */ 5847c478bd9Sstevel@tonic-gate int snfq_idle_cnt; /* # of idling threads */ 5857c478bd9Sstevel@tonic-gate int snfq_max_threads; 5867c478bd9Sstevel@tonic-gate int snfq_req_cnt; /* Number of requests */ 5877c478bd9Sstevel@tonic-gate }; 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate #define READ_OP 1 5907c478bd9Sstevel@tonic-gate #define SNFQ_TIMEOUT (60 * 5 * hz) /* 5 minutes */ 5917c478bd9Sstevel@tonic-gate 5927c478bd9Sstevel@tonic-gate /* Socket network operations switch */ 5937c478bd9Sstevel@tonic-gate struct sonodeops { 5940f1702c5SYu Xiangning int (*sop_init)(struct sonode *, struct sonode *, cred_t *, 5957c478bd9Sstevel@tonic-gate int); 5960f1702c5SYu Xiangning int (*sop_accept)(struct sonode *, int, cred_t *, struct sonode **); 5970f1702c5SYu Xiangning int (*sop_bind)(struct sonode *, struct sockaddr *, socklen_t, 5980f1702c5SYu Xiangning int, cred_t *); 5990f1702c5SYu Xiangning int (*sop_listen)(struct sonode *, int, cred_t *); 6007c478bd9Sstevel@tonic-gate int (*sop_connect)(struct sonode *, const struct sockaddr *, 6010f1702c5SYu Xiangning socklen_t, int, int, cred_t *); 6027c478bd9Sstevel@tonic-gate int (*sop_recvmsg)(struct sonode *, struct msghdr *, 6030f1702c5SYu Xiangning struct uio *, cred_t *); 6047c478bd9Sstevel@tonic-gate int (*sop_sendmsg)(struct sonode *, struct msghdr *, 6050f1702c5SYu Xiangning struct uio *, cred_t *); 6060f1702c5SYu Xiangning int (*sop_sendmblk)(struct sonode *, struct msghdr *, int, 6070f1702c5SYu Xiangning cred_t *, mblk_t **); 6080f1702c5SYu Xiangning int (*sop_getpeername)(struct sonode *, struct sockaddr *, 6090f1702c5SYu Xiangning socklen_t *, boolean_t, cred_t *); 6100f1702c5SYu Xiangning int (*sop_getsockname)(struct sonode *, struct sockaddr *, 6110f1702c5SYu Xiangning socklen_t *, cred_t *); 6120f1702c5SYu Xiangning int (*sop_shutdown)(struct sonode *, int, cred_t *); 6137c478bd9Sstevel@tonic-gate int (*sop_getsockopt)(struct sonode *, int, int, void *, 6140f1702c5SYu Xiangning socklen_t *, int, cred_t *); 6157c478bd9Sstevel@tonic-gate int (*sop_setsockopt)(struct sonode *, int, int, const void *, 6160f1702c5SYu Xiangning socklen_t, cred_t *); 6170f1702c5SYu Xiangning int (*sop_ioctl)(struct sonode *, int, intptr_t, int, 6180f1702c5SYu Xiangning cred_t *, int32_t *); 6190f1702c5SYu Xiangning int (*sop_poll)(struct sonode *, short, int, short *, 6200f1702c5SYu Xiangning struct pollhead **); 6210f1702c5SYu Xiangning int (*sop_close)(struct sonode *, int, cred_t *); 6227c478bd9Sstevel@tonic-gate }; 6237c478bd9Sstevel@tonic-gate 6240f1702c5SYu Xiangning #define SOP_INIT(so, flag, cr, flags) \ 6250f1702c5SYu Xiangning ((so)->so_ops->sop_init((so), (flag), (cr), (flags))) 6260f1702c5SYu Xiangning #define SOP_ACCEPT(so, fflag, cr, nsop) \ 6270f1702c5SYu Xiangning ((so)->so_ops->sop_accept((so), (fflag), (cr), (nsop))) 6280f1702c5SYu Xiangning #define SOP_BIND(so, name, namelen, flags, cr) \ 6290f1702c5SYu Xiangning ((so)->so_ops->sop_bind((so), (name), (namelen), (flags), (cr))) 6300f1702c5SYu Xiangning #define SOP_LISTEN(so, backlog, cr) \ 6310f1702c5SYu Xiangning ((so)->so_ops->sop_listen((so), (backlog), (cr))) 6320f1702c5SYu Xiangning #define SOP_CONNECT(so, name, namelen, fflag, flags, cr) \ 6330f1702c5SYu Xiangning ((so)->so_ops->sop_connect((so), (name), (namelen), (fflag), (flags), \ 6340f1702c5SYu Xiangning (cr))) 6350f1702c5SYu Xiangning #define SOP_RECVMSG(so, msg, uiop, cr) \ 6360f1702c5SYu Xiangning ((so)->so_ops->sop_recvmsg((so), (msg), (uiop), (cr))) 6370f1702c5SYu Xiangning #define SOP_SENDMSG(so, msg, uiop, cr) \ 6380f1702c5SYu Xiangning ((so)->so_ops->sop_sendmsg((so), (msg), (uiop), (cr))) 6390f1702c5SYu Xiangning #define SOP_SENDMBLK(so, msg, size, cr, mpp) \ 6400f1702c5SYu Xiangning ((so)->so_ops->sop_sendmblk((so), (msg), (size), (cr), (mpp))) 6410f1702c5SYu Xiangning #define SOP_GETPEERNAME(so, addr, addrlen, accept, cr) \ 6420f1702c5SYu Xiangning ((so)->so_ops->sop_getpeername((so), (addr), (addrlen), (accept), (cr))) 6430f1702c5SYu Xiangning #define SOP_GETSOCKNAME(so, addr, addrlen, cr) \ 6440f1702c5SYu Xiangning ((so)->so_ops->sop_getsockname((so), (addr), (addrlen), (cr))) 6450f1702c5SYu Xiangning #define SOP_SHUTDOWN(so, how, cr) \ 6460f1702c5SYu Xiangning ((so)->so_ops->sop_shutdown((so), (how), (cr))) 6470f1702c5SYu Xiangning #define SOP_GETSOCKOPT(so, level, optionname, optval, optlenp, flags, cr) \ 6487c478bd9Sstevel@tonic-gate ((so)->so_ops->sop_getsockopt((so), (level), (optionname), \ 6490f1702c5SYu Xiangning (optval), (optlenp), (flags), (cr))) 6500f1702c5SYu Xiangning #define SOP_SETSOCKOPT(so, level, optionname, optval, optlen, cr) \ 6517c478bd9Sstevel@tonic-gate ((so)->so_ops->sop_setsockopt((so), (level), (optionname), \ 6520f1702c5SYu Xiangning (optval), (optlen), (cr))) 6530f1702c5SYu Xiangning #define SOP_IOCTL(so, cmd, arg, mode, cr, rvalp) \ 6540f1702c5SYu Xiangning ((so)->so_ops->sop_ioctl((so), (cmd), (arg), (mode), (cr), (rvalp))) 6550f1702c5SYu Xiangning #define SOP_POLL(so, events, anyyet, reventsp, phpp) \ 6560f1702c5SYu Xiangning ((so)->so_ops->sop_poll((so), (events), (anyyet), (reventsp), (phpp))) 6570f1702c5SYu Xiangning #define SOP_CLOSE(so, flag, cr) \ 6580f1702c5SYu Xiangning ((so)->so_ops->sop_close((so), (flag), (cr))) 6597c478bd9Sstevel@tonic-gate 6607c478bd9Sstevel@tonic-gate #endif /* defined(_KERNEL) || defined(_KMEMUSER) */ 6617c478bd9Sstevel@tonic-gate 6627c478bd9Sstevel@tonic-gate #ifdef _KERNEL 6637c478bd9Sstevel@tonic-gate 6647c478bd9Sstevel@tonic-gate #define ISALIGNED_cmsghdr(addr) \ 6657c478bd9Sstevel@tonic-gate (((uintptr_t)(addr) & (_CMSG_HDR_ALIGNMENT - 1)) == 0) 6667c478bd9Sstevel@tonic-gate 6677c478bd9Sstevel@tonic-gate #define ROUNDUP_cmsglen(len) \ 6687c478bd9Sstevel@tonic-gate (((len) + _CMSG_HDR_ALIGNMENT - 1) & ~(_CMSG_HDR_ALIGNMENT - 1)) 6697c478bd9Sstevel@tonic-gate 6700f1702c5SYu Xiangning #define IS_NON_STREAM_SOCK(vp) \ 6710f1702c5SYu Xiangning ((vp)->v_type == VSOCK && (vp)->v_stream == NULL) 6727c478bd9Sstevel@tonic-gate /* 6739acbbeafSnn35248 * Macros that operate on struct cmsghdr. 6749acbbeafSnn35248 * Used in parsing msg_control. 6759acbbeafSnn35248 * The CMSG_VALID macro does not assume that the last option buffer is padded. 6767c478bd9Sstevel@tonic-gate */ 6777c478bd9Sstevel@tonic-gate #define CMSG_NEXT(cmsg) \ 6787c478bd9Sstevel@tonic-gate (struct cmsghdr *)((uintptr_t)(cmsg) + \ 6797c478bd9Sstevel@tonic-gate ROUNDUP_cmsglen((cmsg)->cmsg_len)) 6809acbbeafSnn35248 #define CMSG_CONTENT(cmsg) (&((cmsg)[1])) 6819acbbeafSnn35248 #define CMSG_CONTENTLEN(cmsg) ((cmsg)->cmsg_len - sizeof (struct cmsghdr)) 6829acbbeafSnn35248 #define CMSG_VALID(cmsg, start, end) \ 6839acbbeafSnn35248 (ISALIGNED_cmsghdr(cmsg) && \ 6849acbbeafSnn35248 ((uintptr_t)(cmsg) >= (uintptr_t)(start)) && \ 6859acbbeafSnn35248 ((uintptr_t)(cmsg) < (uintptr_t)(end)) && \ 6869acbbeafSnn35248 ((ssize_t)(cmsg)->cmsg_len >= sizeof (struct cmsghdr)) && \ 6879acbbeafSnn35248 ((uintptr_t)(cmsg) + (cmsg)->cmsg_len <= (uintptr_t)(end))) 6887c478bd9Sstevel@tonic-gate 6897c478bd9Sstevel@tonic-gate /* 6907c478bd9Sstevel@tonic-gate * Maximum size of any argument that is copied in (addresses, options, 6917c478bd9Sstevel@tonic-gate * access rights). MUST be at least MAXPATHLEN + 3. 6927c478bd9Sstevel@tonic-gate * BSD and SunOS 4.X limited this to MLEN or MCLBYTES. 6937c478bd9Sstevel@tonic-gate */ 6947c478bd9Sstevel@tonic-gate #define SO_MAXARGSIZE 8192 6957c478bd9Sstevel@tonic-gate 6967c478bd9Sstevel@tonic-gate /* 6977c478bd9Sstevel@tonic-gate * Convert between vnode and sonode 6987c478bd9Sstevel@tonic-gate */ 6997c478bd9Sstevel@tonic-gate #define VTOSO(vp) ((struct sonode *)((vp)->v_data)) 7007c478bd9Sstevel@tonic-gate #define SOTOV(sp) ((sp)->so_vnode) 7017c478bd9Sstevel@tonic-gate 7027c478bd9Sstevel@tonic-gate /* 7037c478bd9Sstevel@tonic-gate * Internal flags for sobind() 7047c478bd9Sstevel@tonic-gate */ 7057c478bd9Sstevel@tonic-gate #define _SOBIND_REBIND 0x01 /* Bind to existing local address */ 7067c478bd9Sstevel@tonic-gate #define _SOBIND_UNSPEC 0x02 /* Bind to unspecified address */ 7077c478bd9Sstevel@tonic-gate #define _SOBIND_LOCK_HELD 0x04 /* so_excl_lock held by caller */ 7087c478bd9Sstevel@tonic-gate #define _SOBIND_NOXLATE 0x08 /* No addr translation for AF_UNIX */ 7097c478bd9Sstevel@tonic-gate #define _SOBIND_XPG4_2 0x10 /* xpg4.2 semantics */ 7107c478bd9Sstevel@tonic-gate #define _SOBIND_SOCKBSD 0x20 /* BSD semantics */ 7117c478bd9Sstevel@tonic-gate #define _SOBIND_LISTEN 0x40 /* Make into SS_ACCEPTCONN */ 7127c478bd9Sstevel@tonic-gate #define _SOBIND_SOCKETPAIR 0x80 /* Internal flag for so_socketpair() */ 7137c478bd9Sstevel@tonic-gate /* to enable listen with backlog = 1 */ 7147c478bd9Sstevel@tonic-gate 7157c478bd9Sstevel@tonic-gate /* 7167c478bd9Sstevel@tonic-gate * Internal flags for sounbind() 7177c478bd9Sstevel@tonic-gate */ 7187c478bd9Sstevel@tonic-gate #define _SOUNBIND_REBIND 0x01 /* Don't clear fields - will rebind */ 7197c478bd9Sstevel@tonic-gate 7207c478bd9Sstevel@tonic-gate /* 7217c478bd9Sstevel@tonic-gate * Internal flags for soconnect() 7227c478bd9Sstevel@tonic-gate */ 7237c478bd9Sstevel@tonic-gate #define _SOCONNECT_NOXLATE 0x01 /* No addr translation for AF_UNIX */ 7247c478bd9Sstevel@tonic-gate #define _SOCONNECT_DID_BIND 0x02 /* Unbind when connect fails */ 7257c478bd9Sstevel@tonic-gate #define _SOCONNECT_XPG4_2 0x04 /* xpg4.2 semantics */ 7267c478bd9Sstevel@tonic-gate 7277c478bd9Sstevel@tonic-gate /* 7287c478bd9Sstevel@tonic-gate * Internal flags for sodisconnect() 7297c478bd9Sstevel@tonic-gate */ 7307c478bd9Sstevel@tonic-gate #define _SODISCONNECT_LOCK_HELD 0x01 /* so_excl_lock held by caller */ 7317c478bd9Sstevel@tonic-gate 7327c478bd9Sstevel@tonic-gate /* 7337c478bd9Sstevel@tonic-gate * Internal flags for sotpi_getsockopt(). 7347c478bd9Sstevel@tonic-gate */ 7357c478bd9Sstevel@tonic-gate #define _SOGETSOCKOPT_XPG4_2 0x01 /* xpg4.2 semantics */ 7367c478bd9Sstevel@tonic-gate 7377c478bd9Sstevel@tonic-gate /* 7387c478bd9Sstevel@tonic-gate * Internal flags for soallocproto*() 7397c478bd9Sstevel@tonic-gate */ 7407c478bd9Sstevel@tonic-gate #define _ALLOC_NOSLEEP 0 /* Don't sleep for memory */ 7417c478bd9Sstevel@tonic-gate #define _ALLOC_INTR 1 /* Sleep until interrupt */ 7427c478bd9Sstevel@tonic-gate #define _ALLOC_SLEEP 2 /* Sleep forever */ 7437c478bd9Sstevel@tonic-gate 7447c478bd9Sstevel@tonic-gate /* 7457c478bd9Sstevel@tonic-gate * Internal structure for handling AF_UNIX file descriptor passing 7467c478bd9Sstevel@tonic-gate */ 7477c478bd9Sstevel@tonic-gate struct fdbuf { 7487c478bd9Sstevel@tonic-gate int fd_size; /* In bytes, for kmem_free */ 7497c478bd9Sstevel@tonic-gate int fd_numfd; /* Number of elements below */ 7507c478bd9Sstevel@tonic-gate char *fd_ebuf; /* Extra buffer to free */ 7517c478bd9Sstevel@tonic-gate int fd_ebuflen; 7527c478bd9Sstevel@tonic-gate frtn_t fd_frtn; 7537c478bd9Sstevel@tonic-gate struct file *fd_fds[1]; /* One or more */ 7547c478bd9Sstevel@tonic-gate }; 7557c478bd9Sstevel@tonic-gate #define FDBUF_HDRSIZE (sizeof (struct fdbuf) - sizeof (struct file *)) 7567c478bd9Sstevel@tonic-gate 7577c478bd9Sstevel@tonic-gate /* 7587c478bd9Sstevel@tonic-gate * Variable that can be patched to set what version of socket socket() 7597c478bd9Sstevel@tonic-gate * will create. 7607c478bd9Sstevel@tonic-gate */ 7617c478bd9Sstevel@tonic-gate extern int so_default_version; 7627c478bd9Sstevel@tonic-gate 7637c478bd9Sstevel@tonic-gate #ifdef DEBUG 7647c478bd9Sstevel@tonic-gate /* Turn on extra testing capabilities */ 7657c478bd9Sstevel@tonic-gate #define SOCK_TEST 7667c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 7677c478bd9Sstevel@tonic-gate 7687c478bd9Sstevel@tonic-gate #ifdef DEBUG 7697c478bd9Sstevel@tonic-gate char *pr_state(uint_t, uint_t); 7707c478bd9Sstevel@tonic-gate char *pr_addr(int, struct sockaddr *, t_uscalar_t); 7717c478bd9Sstevel@tonic-gate int so_verify_oobstate(struct sonode *); 7727c478bd9Sstevel@tonic-gate #endif /* DEBUG */ 7737c478bd9Sstevel@tonic-gate 7747c478bd9Sstevel@tonic-gate /* 7757c478bd9Sstevel@tonic-gate * DEBUG macros 7767c478bd9Sstevel@tonic-gate */ 7778793b36bSNick Todd #if defined(DEBUG) 7787c478bd9Sstevel@tonic-gate #define SOCK_DEBUG 7797c478bd9Sstevel@tonic-gate 7807c478bd9Sstevel@tonic-gate extern int sockdebug; 7817c478bd9Sstevel@tonic-gate extern int sockprinterr; 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate #define eprint(args) printf args 7847c478bd9Sstevel@tonic-gate #define eprintso(so, args) \ 7857c478bd9Sstevel@tonic-gate { if (sockprinterr && ((so)->so_options & SO_DEBUG)) printf args; } 7867c478bd9Sstevel@tonic-gate #define eprintline(error) \ 7877c478bd9Sstevel@tonic-gate { \ 7887c478bd9Sstevel@tonic-gate if (error != EINTR && (sockprinterr || sockdebug > 0)) \ 7897c478bd9Sstevel@tonic-gate printf("socket error %d: line %d file %s\n", \ 7907c478bd9Sstevel@tonic-gate (error), __LINE__, __FILE__); \ 7917c478bd9Sstevel@tonic-gate } 7927c478bd9Sstevel@tonic-gate 7937c478bd9Sstevel@tonic-gate #define eprintsoline(so, error) \ 7947c478bd9Sstevel@tonic-gate { if (sockprinterr && ((so)->so_options & SO_DEBUG)) \ 7957c478bd9Sstevel@tonic-gate printf("socket(%p) error %d: line %d file %s\n", \ 7968793b36bSNick Todd (void *)(so), (error), __LINE__, __FILE__); \ 7977c478bd9Sstevel@tonic-gate } 7987c478bd9Sstevel@tonic-gate #define dprint(level, args) { if (sockdebug > (level)) printf args; } 7997c478bd9Sstevel@tonic-gate #define dprintso(so, level, args) \ 8007c478bd9Sstevel@tonic-gate { if (sockdebug > (level) && ((so)->so_options & SO_DEBUG)) printf args; } 8017c478bd9Sstevel@tonic-gate 8028793b36bSNick Todd #else /* define(DEBUG) */ 8037c478bd9Sstevel@tonic-gate 8047c478bd9Sstevel@tonic-gate #define eprint(args) {} 8057c478bd9Sstevel@tonic-gate #define eprintso(so, args) {} 8067c478bd9Sstevel@tonic-gate #define eprintline(error) {} 8077c478bd9Sstevel@tonic-gate #define eprintsoline(so, error) {} 8087c478bd9Sstevel@tonic-gate #define dprint(level, args) {} 8097c478bd9Sstevel@tonic-gate #define dprintso(so, level, args) {} 8107c478bd9Sstevel@tonic-gate 8118793b36bSNick Todd #endif /* defined(DEBUG) */ 8127c478bd9Sstevel@tonic-gate 8137c478bd9Sstevel@tonic-gate extern struct vfsops sock_vfsops; 8140f1702c5SYu Xiangning extern struct vnodeops *socket_vnodeops; 8150f1702c5SYu Xiangning extern const struct fs_operation_def socket_vnodeops_template[]; 8167c478bd9Sstevel@tonic-gate 8177c478bd9Sstevel@tonic-gate extern dev_t sockdev; 8187c478bd9Sstevel@tonic-gate 8197c478bd9Sstevel@tonic-gate /* 8207c478bd9Sstevel@tonic-gate * sockfs functions 8217c478bd9Sstevel@tonic-gate */ 8227c478bd9Sstevel@tonic-gate extern int sock_getmsg(vnode_t *, struct strbuf *, struct strbuf *, 8237c478bd9Sstevel@tonic-gate uchar_t *, int *, int, rval_t *); 8247c478bd9Sstevel@tonic-gate extern int sock_putmsg(vnode_t *, struct strbuf *, struct strbuf *, 8257c478bd9Sstevel@tonic-gate uchar_t, int, int); 8260f1702c5SYu Xiangning extern int sogetvp(char *, vnode_t **, int); 8277c478bd9Sstevel@tonic-gate extern int sockinit(int, char *); 8280f1702c5SYu Xiangning extern int soconfig(int, int, int, char *, int, char *); 8290f1702c5SYu Xiangning extern int solookup(int, int, int, struct sockparams **); 8307c478bd9Sstevel@tonic-gate extern void so_lock_single(struct sonode *); 8317c478bd9Sstevel@tonic-gate extern void so_unlock_single(struct sonode *, int); 8327c478bd9Sstevel@tonic-gate extern int so_lock_read(struct sonode *, int); 8337c478bd9Sstevel@tonic-gate extern int so_lock_read_intr(struct sonode *, int); 8347c478bd9Sstevel@tonic-gate extern void so_unlock_read(struct sonode *); 8357c478bd9Sstevel@tonic-gate extern void *sogetoff(mblk_t *, t_uscalar_t, t_uscalar_t, uint_t); 8367c478bd9Sstevel@tonic-gate extern void so_getopt_srcaddr(void *, t_uscalar_t, 8377c478bd9Sstevel@tonic-gate void **, t_uscalar_t *); 8387c478bd9Sstevel@tonic-gate extern int so_getopt_unix_close(void *, t_uscalar_t); 8397c478bd9Sstevel@tonic-gate extern void fdbuf_free(struct fdbuf *); 8407c478bd9Sstevel@tonic-gate extern mblk_t *fdbuf_allocmsg(int, struct fdbuf *); 8417c478bd9Sstevel@tonic-gate extern int fdbuf_create(void *, int, struct fdbuf **); 8427c478bd9Sstevel@tonic-gate extern void so_closefds(void *, t_uscalar_t, int, int); 8437c478bd9Sstevel@tonic-gate extern int so_getfdopt(void *, t_uscalar_t, int, void **, int *); 8447c478bd9Sstevel@tonic-gate t_uscalar_t so_optlen(void *, t_uscalar_t, int); 8457c478bd9Sstevel@tonic-gate extern void so_cmsg2opt(void *, t_uscalar_t, int, mblk_t *); 8467c478bd9Sstevel@tonic-gate extern t_uscalar_t 8477c478bd9Sstevel@tonic-gate so_cmsglen(mblk_t *, void *, t_uscalar_t, int); 8487c478bd9Sstevel@tonic-gate extern int so_opt2cmsg(mblk_t *, void *, t_uscalar_t, int, 8497c478bd9Sstevel@tonic-gate void *, t_uscalar_t); 8507c478bd9Sstevel@tonic-gate extern void soisconnecting(struct sonode *); 8517c478bd9Sstevel@tonic-gate extern void soisconnected(struct sonode *); 8527c478bd9Sstevel@tonic-gate extern void soisdisconnected(struct sonode *, int); 8537c478bd9Sstevel@tonic-gate extern void socantsendmore(struct sonode *); 8547c478bd9Sstevel@tonic-gate extern void socantrcvmore(struct sonode *); 8557c478bd9Sstevel@tonic-gate extern void soseterror(struct sonode *, int); 8560f1702c5SYu Xiangning extern int sogeterr(struct sonode *, boolean_t); 8577c478bd9Sstevel@tonic-gate extern int sowaitconnected(struct sonode *, int, int); 8587c478bd9Sstevel@tonic-gate 8597c478bd9Sstevel@tonic-gate extern ssize_t soreadfile(file_t *, uchar_t *, u_offset_t, int *, size_t); 8607c478bd9Sstevel@tonic-gate extern void *sock_kstat_init(zoneid_t); 8617c478bd9Sstevel@tonic-gate extern void sock_kstat_fini(zoneid_t, void *); 862745b2690Stz204579 extern struct sonode *getsonode(int, int *, file_t **); 8637c478bd9Sstevel@tonic-gate /* 864da6c28aaSamw * Function wrappers (mostly around the sonode switch) for 8657c478bd9Sstevel@tonic-gate * backward compatibility. 8667c478bd9Sstevel@tonic-gate */ 8677c478bd9Sstevel@tonic-gate extern int soaccept(struct sonode *, int, struct sonode **); 8687c478bd9Sstevel@tonic-gate extern int sobind(struct sonode *, struct sockaddr *, socklen_t, 8697c478bd9Sstevel@tonic-gate int, int); 8707c478bd9Sstevel@tonic-gate extern int solisten(struct sonode *, int); 8717c478bd9Sstevel@tonic-gate extern int soconnect(struct sonode *, const struct sockaddr *, socklen_t, 8727c478bd9Sstevel@tonic-gate int, int); 8737c478bd9Sstevel@tonic-gate extern int sorecvmsg(struct sonode *, struct nmsghdr *, struct uio *); 8747c478bd9Sstevel@tonic-gate extern int sosendmsg(struct sonode *, struct nmsghdr *, struct uio *); 8757c478bd9Sstevel@tonic-gate extern int soshutdown(struct sonode *, int); 8767c478bd9Sstevel@tonic-gate extern int sogetsockopt(struct sonode *, int, int, void *, socklen_t *, 8777c478bd9Sstevel@tonic-gate int); 8787c478bd9Sstevel@tonic-gate extern int sosetsockopt(struct sonode *, int, int, const void *, 8797c478bd9Sstevel@tonic-gate t_uscalar_t); 8807c478bd9Sstevel@tonic-gate 8810f1702c5SYu Xiangning extern struct sonode *socreate(struct sockparams *, int, int, int, int, 8820f1702c5SYu Xiangning int *); 8837c478bd9Sstevel@tonic-gate 8847c478bd9Sstevel@tonic-gate extern int so_copyin(const void *, void *, size_t, int); 8857c478bd9Sstevel@tonic-gate extern int so_copyout(const void *, void *, size_t, int); 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate #endif 8887c478bd9Sstevel@tonic-gate 8897c478bd9Sstevel@tonic-gate /* 8907c478bd9Sstevel@tonic-gate * Internal structure for obtaining sonode information from the socklist. 8917c478bd9Sstevel@tonic-gate * These types match those corresponding in the sonode structure. 8927c478bd9Sstevel@tonic-gate * This is not a published interface, and may change at any time. 8937c478bd9Sstevel@tonic-gate */ 8947c478bd9Sstevel@tonic-gate struct sockinfo { 8957c478bd9Sstevel@tonic-gate uint_t si_size; /* real length of this struct */ 8967c478bd9Sstevel@tonic-gate short si_family; 8977c478bd9Sstevel@tonic-gate short si_type; 8987c478bd9Sstevel@tonic-gate ushort_t si_flag; 8997c478bd9Sstevel@tonic-gate uint_t si_state; 9007c478bd9Sstevel@tonic-gate uint_t si_ux_laddr_sou_magic; 9017c478bd9Sstevel@tonic-gate uint_t si_ux_faddr_sou_magic; 9027c478bd9Sstevel@tonic-gate t_scalar_t si_serv_type; 9037c478bd9Sstevel@tonic-gate t_uscalar_t si_laddr_soa_len; 9047c478bd9Sstevel@tonic-gate t_uscalar_t si_faddr_soa_len; 9057c478bd9Sstevel@tonic-gate uint16_t si_laddr_family; 9067c478bd9Sstevel@tonic-gate uint16_t si_faddr_family; 9077c478bd9Sstevel@tonic-gate char si_laddr_sun_path[MAXPATHLEN + 1]; /* NULL terminated */ 9087c478bd9Sstevel@tonic-gate char si_faddr_sun_path[MAXPATHLEN + 1]; 9090f1702c5SYu Xiangning boolean_t si_faddr_noxlate; 9107c478bd9Sstevel@tonic-gate zoneid_t si_szoneid; 9117c478bd9Sstevel@tonic-gate }; 9127c478bd9Sstevel@tonic-gate 9130f1702c5SYu Xiangning #define SOCKMOD_PATH "socketmod" /* dir where sockmods are stored */ 9147c478bd9Sstevel@tonic-gate 9157c478bd9Sstevel@tonic-gate #ifdef __cplusplus 9167c478bd9Sstevel@tonic-gate } 9177c478bd9Sstevel@tonic-gate #endif 9187c478bd9Sstevel@tonic-gate 9197c478bd9Sstevel@tonic-gate #endif /* _SYS_SOCKETVAR_H */ 920