socketvar.h revision 70834
11541Srgrimes/*- 21541Srgrimes * Copyright (c) 1982, 1986, 1990, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 3. All advertising materials mentioning features or use of this software 141541Srgrimes * must display the following acknowledgement: 151541Srgrimes * This product includes software developed by the University of 161541Srgrimes * California, Berkeley and its contributors. 171541Srgrimes * 4. Neither the name of the University nor the names of its contributors 181541Srgrimes * may be used to endorse or promote products derived from this software 191541Srgrimes * without specific prior written permission. 201541Srgrimes * 211541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311541Srgrimes * SUCH DAMAGE. 321541Srgrimes * 3314505Shsu * @(#)socketvar.h 8.3 (Berkeley) 2/19/95 3450477Speter * $FreeBSD: head/sys/sys/socketvar.h 70834 2001-01-09 04:33:49Z wollman $ 351541Srgrimes */ 361541Srgrimes 372165Spaul#ifndef _SYS_SOCKETVAR_H_ 382165Spaul#define _SYS_SOCKETVAR_H_ 392165Spaul 4015492Sbde#include <sys/queue.h> /* for TAILQ macros */ 4170834Swollman#include <sys/selinfo.h> /* for struct selinfo */ 421541Srgrimes 431541Srgrimes/* 441541Srgrimes * Kernel structure per socket. 451541Srgrimes * Contains send and receive buffer queues, 461541Srgrimes * handle on protocol and pointer to protocol 471541Srgrimes * private data and error information. 481541Srgrimes */ 4936079Swollmantypedef u_quad_t so_gen_t; 5036079Swollman 5161837Salfredstruct accept_filter; 5261837Salfred 531541Srgrimesstruct socket { 5436079Swollman struct vm_zone *so_zone; /* zone we were allocated from */ 551541Srgrimes short so_type; /* generic type, see socket.h */ 561541Srgrimes short so_options; /* from socket call, see socket.h */ 571541Srgrimes short so_linger; /* time to linger while closing */ 581541Srgrimes short so_state; /* internal state flags SS_*, below */ 591541Srgrimes caddr_t so_pcb; /* protocol control block */ 601541Srgrimes struct protosw *so_proto; /* protocol handle */ 611541Srgrimes/* 6213765Smpp * Variables for connection queuing. 631541Srgrimes * Socket where accepts occur is so_head in all subsidiary sockets. 641541Srgrimes * If so_head is 0, socket is not related to an accept. 651541Srgrimes * For head socket so_q0 queues partially completed connections, 661541Srgrimes * while so_q is a queue of connections ready to be accepted. 671541Srgrimes * If a connection is aborted and it has so_head set, then 681541Srgrimes * it has to be pulled out of either so_q0 or so_q. 691541Srgrimes * We allow connections to queue up based on current queue lengths 701541Srgrimes * and limit on number of queued connections for this socket. 711541Srgrimes */ 721541Srgrimes struct socket *so_head; /* back pointer to accept socket */ 7360938Sjake TAILQ_HEAD(, socket) so_incomp; /* queue of partial unaccepted connections */ 7460938Sjake TAILQ_HEAD(, socket) so_comp; /* queue of complete unaccepted connections */ 7560938Sjake TAILQ_ENTRY(socket) so_list; /* list of unaccepted connections */ 7614547Sdg short so_qlen; /* number of unaccepted connections */ 7718787Spst short so_incqlen; /* number of unaccepted incomplete 7818787Spst connections */ 791541Srgrimes short so_qlimit; /* max number queued connections */ 801541Srgrimes short so_timeo; /* connection timeout */ 811541Srgrimes u_short so_error; /* error affecting connection */ 8241087Struckman struct sigio *so_sigio; /* information for async I/O or 8341087Struckman out of band data (SIGURG) */ 841541Srgrimes u_long so_oobmark; /* chars to oob mark */ 8560938Sjake TAILQ_HEAD(, aiocblist) so_aiojobq; /* AIO ops waiting on socket */ 861541Srgrimes/* 871541Srgrimes * Variables for socket buffering. 881541Srgrimes */ 891541Srgrimes struct sockbuf { 901541Srgrimes u_long sb_cc; /* actual chars in buffer */ 911541Srgrimes u_long sb_hiwat; /* max actual char count */ 921541Srgrimes u_long sb_mbcnt; /* chars of mbufs used */ 931541Srgrimes u_long sb_mbmax; /* max chars of mbufs to use */ 941541Srgrimes long sb_lowat; /* low water mark */ 951541Srgrimes struct mbuf *sb_mb; /* the mbuf chain */ 961541Srgrimes struct selinfo sb_sel; /* process selecting read/write */ 971541Srgrimes short sb_flags; /* flags, see below */ 981541Srgrimes short sb_timeo; /* timeout for read/write */ 991541Srgrimes } so_rcv, so_snd; 1001541Srgrimes#define SB_MAX (256*1024) /* default for max chars in sockbuf */ 1011541Srgrimes#define SB_LOCK 0x01 /* lock on data queue */ 1021541Srgrimes#define SB_WANT 0x02 /* someone is waiting to lock */ 1031541Srgrimes#define SB_WAIT 0x04 /* someone is waiting for data/space */ 1041541Srgrimes#define SB_SEL 0x08 /* someone is selecting */ 1051541Srgrimes#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */ 10636527Speter#define SB_UPCALL 0x20 /* someone wants an upcall */ 1071541Srgrimes#define SB_NOINTR 0x40 /* operations not interruptible */ 10855943Sjasone#define SB_AIO 0x80 /* AIO operations queued */ 10959288Sjlemon#define SB_KNOTE 0x100 /* kernel note attached */ 1101541Srgrimes 11138482Swollman void (*so_upcall) __P((struct socket *, void *, int)); 11238482Swollman void *so_upcallarg; 11351381Sgreen struct ucred *so_cred; /* user credentials */ 11438482Swollman /* NB: generation count must not be first; easiest to make it last. */ 11536079Swollman so_gen_t so_gencnt; /* generation count */ 11643458Sbde void *so_emuldata; /* private data for emulators */ 11761837Salfred struct so_accf { 11861837Salfred struct accept_filter *so_accept_filter; 11961837Salfred void *so_accept_filter_arg; /* saved filter args */ 12061837Salfred char *so_accept_filter_str; /* saved user args */ 12161837Salfred } *so_accf; 1221541Srgrimes}; 1231541Srgrimes 1241541Srgrimes/* 1251541Srgrimes * Socket state bits. 1261541Srgrimes */ 12714547Sdg#define SS_NOFDREF 0x0001 /* no file table ref any more */ 12814547Sdg#define SS_ISCONNECTED 0x0002 /* socket connected to a peer */ 12914547Sdg#define SS_ISCONNECTING 0x0004 /* in process of connecting to peer */ 13014547Sdg#define SS_ISDISCONNECTING 0x0008 /* in process of disconnecting */ 13114547Sdg#define SS_CANTSENDMORE 0x0010 /* can't send more data to peer */ 13214547Sdg#define SS_CANTRCVMORE 0x0020 /* can't receive more data from peer */ 13314547Sdg#define SS_RCVATMARK 0x0040 /* at mark on input */ 1341541Srgrimes 13514547Sdg#define SS_NBIO 0x0100 /* non-blocking ops */ 13614547Sdg#define SS_ASYNC 0x0200 /* async i/o notify */ 13714547Sdg#define SS_ISCONFIRMING 0x0400 /* deciding to accept connection req */ 1381541Srgrimes 13914547Sdg#define SS_INCOMP 0x0800 /* unaccepted, incomplete connection */ 14014547Sdg#define SS_COMP 0x1000 /* unaccepted, complete connection */ 14143196Sfenner#define SS_ISDISCONNECTED 0x2000 /* socket disconnected from peer */ 1421541Srgrimes 14336079Swollman/* 14436079Swollman * Externalized form of struct socket used by the sysctl(3) interface. 14536079Swollman */ 14636079Swollmanstruct xsocket { 14736079Swollman size_t xso_len; /* length of this structure */ 14836079Swollman struct socket *xso_so; /* makes a convenient handle sometimes */ 14936079Swollman short so_type; 15036079Swollman short so_options; 15136079Swollman short so_linger; 15236079Swollman short so_state; 15336079Swollman caddr_t so_pcb; /* another convenient handle */ 15436079Swollman int xso_protocol; 15536079Swollman int xso_family; 15636079Swollman short so_qlen; 15736079Swollman short so_incqlen; 15836079Swollman short so_qlimit; 15936079Swollman short so_timeo; 16036079Swollman u_short so_error; 16136079Swollman pid_t so_pgid; 16236079Swollman u_long so_oobmark; 16336079Swollman struct xsockbuf { 16436079Swollman u_long sb_cc; 16536079Swollman u_long sb_hiwat; 16636079Swollman u_long sb_mbcnt; 16736079Swollman u_long sb_mbmax; 16836079Swollman long sb_lowat; 16936079Swollman short sb_flags; 17036079Swollman short sb_timeo; 17136079Swollman } so_rcv, so_snd; 17236079Swollman uid_t so_uid; /* XXX */ 17336079Swollman}; 17414547Sdg 1751541Srgrimes/* 1761541Srgrimes * Macros for sockets and socket buffering. 1771541Srgrimes */ 1781541Srgrimes 1791541Srgrimes/* 18036527Speter * Do we need to notify the other side when I/O is possible? 18136527Speter */ 18255943Sjasone#define sb_notify(sb) (((sb)->sb_flags & (SB_WAIT | SB_SEL | SB_ASYNC | \ 18359288Sjlemon SB_UPCALL | SB_AIO | SB_KNOTE)) != 0) 18436527Speter 18536527Speter/* 1861541Srgrimes * How much space is there in a socket buffer (so->so_snd or so->so_rcv)? 1871541Srgrimes * This is problematical if the fields are unsigned, as the space might 1881541Srgrimes * still be negative (cc > hiwat or mbcnt > mbmax). Should detect 1891541Srgrimes * overflow and return 0. Should use "lmin" but it doesn't exist now. 1901541Srgrimes */ 1911541Srgrimes#define sbspace(sb) \ 1921541Srgrimes ((long) imin((int)((sb)->sb_hiwat - (sb)->sb_cc), \ 1931541Srgrimes (int)((sb)->sb_mbmax - (sb)->sb_mbcnt))) 1941541Srgrimes 1951541Srgrimes/* do we have to send all at once on a socket? */ 1961541Srgrimes#define sosendallatonce(so) \ 1971541Srgrimes ((so)->so_proto->pr_flags & PR_ATOMIC) 1981541Srgrimes 1991541Srgrimes/* can we read something from so? */ 2001541Srgrimes#define soreadable(so) \ 2011541Srgrimes ((so)->so_rcv.sb_cc >= (so)->so_rcv.sb_lowat || \ 2021541Srgrimes ((so)->so_state & SS_CANTRCVMORE) || \ 20370536Sphk !TAILQ_EMPTY(&(so)->so_comp) || (so)->so_error) 2041541Srgrimes 2051541Srgrimes/* can we write something to so? */ 2061541Srgrimes#define sowriteable(so) \ 2073304Sphk ((sbspace(&(so)->so_snd) >= (so)->so_snd.sb_lowat && \ 2081541Srgrimes (((so)->so_state&SS_ISCONNECTED) || \ 2093304Sphk ((so)->so_proto->pr_flags&PR_CONNREQUIRED)==0)) || \ 2101541Srgrimes ((so)->so_state & SS_CANTSENDMORE) || \ 2111541Srgrimes (so)->so_error) 2121541Srgrimes 2131541Srgrimes/* adjust counters in sb reflecting allocation of m */ 2141541Srgrimes#define sballoc(sb, m) { \ 2151541Srgrimes (sb)->sb_cc += (m)->m_len; \ 2161541Srgrimes (sb)->sb_mbcnt += MSIZE; \ 2171541Srgrimes if ((m)->m_flags & M_EXT) \ 2181541Srgrimes (sb)->sb_mbcnt += (m)->m_ext.ext_size; \ 2191541Srgrimes} 2201541Srgrimes 2211541Srgrimes/* adjust counters in sb reflecting freeing of m */ 2221541Srgrimes#define sbfree(sb, m) { \ 2231541Srgrimes (sb)->sb_cc -= (m)->m_len; \ 2241541Srgrimes (sb)->sb_mbcnt -= MSIZE; \ 2251541Srgrimes if ((m)->m_flags & M_EXT) \ 2261541Srgrimes (sb)->sb_mbcnt -= (m)->m_ext.ext_size; \ 2271541Srgrimes} 2281541Srgrimes 2291541Srgrimes/* 2301541Srgrimes * Set lock on sockbuf sb; sleep if lock is already held. 2311541Srgrimes * Unless SB_NOINTR is set on sockbuf, sleep is interruptible. 2321541Srgrimes * Returns error without lock if sleep is interrupted. 2331541Srgrimes */ 2341541Srgrimes#define sblock(sb, wf) ((sb)->sb_flags & SB_LOCK ? \ 2351541Srgrimes (((wf) == M_WAITOK) ? sb_lock(sb) : EWOULDBLOCK) : \ 2361541Srgrimes ((sb)->sb_flags |= SB_LOCK), 0) 2371541Srgrimes 2381541Srgrimes/* release lock on sockbuf sb */ 2391541Srgrimes#define sbunlock(sb) { \ 2401541Srgrimes (sb)->sb_flags &= ~SB_LOCK; \ 2411541Srgrimes if ((sb)->sb_flags & SB_WANT) { \ 2421541Srgrimes (sb)->sb_flags &= ~SB_WANT; \ 2431541Srgrimes wakeup((caddr_t)&(sb)->sb_flags); \ 2441541Srgrimes } \ 2451541Srgrimes} 2461541Srgrimes 24736527Speter#define sorwakeup(so) do { \ 24836527Speter if (sb_notify(&(so)->so_rcv)) \ 24936527Speter sowakeup((so), &(so)->so_rcv); \ 25036527Speter } while (0) 2511541Srgrimes 25236527Speter#define sowwakeup(so) do { \ 25336527Speter if (sb_notify(&(so)->so_snd)) \ 25436527Speter sowakeup((so), &(so)->so_snd); \ 25536527Speter } while (0) 2561541Srgrimes 25755205Speter#ifdef _KERNEL 25831927Sbde 25938482Swollman/* 26038482Swollman * Argument structure for sosetopt et seq. This is in the KERNEL 26138482Swollman * section because it will never be visible to user code. 26238482Swollman */ 26338482Swollmanenum sopt_dir { SOPT_GET, SOPT_SET }; 26438482Swollmanstruct sockopt { 26538482Swollman enum sopt_dir sopt_dir; /* is this a get or a set? */ 26638482Swollman int sopt_level; /* second arg of [gs]etsockopt */ 26738482Swollman int sopt_name; /* third arg of [gs]etsockopt */ 26838482Swollman void *sopt_val; /* fourth arg of [gs]etsockopt */ 26938482Swollman size_t sopt_valsize; /* (almost) fifth arg of [gs]etsockopt */ 27038482Swollman struct proc *sopt_p; /* calling process or null if kernel */ 27138482Swollman}; 27238482Swollman 27340931Sdgstruct sf_buf { 27460938Sjake SLIST_ENTRY(sf_buf) free_list; /* list of free buffer slots */ 27540931Sdg struct vm_page *m; /* currently mapped page */ 27640931Sdg vm_offset_t kva; /* va of mapping */ 27740931Sdg}; 27840931Sdg 27961837Salfredstruct accept_filter { 28061837Salfred char accf_name[16]; 28161837Salfred void (*accf_callback) 28261837Salfred __P((struct socket *so, void *arg, int waitflag)); 28361837Salfred void * (*accf_create) 28461837Salfred __P((struct socket *so, char *arg)); 28561837Salfred void (*accf_destroy) 28661837Salfred __P((struct socket *so)); 28761837Salfred SLIST_ENTRY(accept_filter) accf_next; /* next on the list */ 28861837Salfred}; 28961837Salfred 29031927Sbde#ifdef MALLOC_DECLARE 29131927SbdeMALLOC_DECLARE(M_PCB); 29231927SbdeMALLOC_DECLARE(M_SONAME); 29361837SalfredMALLOC_DECLARE(M_ACCF); 29431927Sbde#endif 29531927Sbde 29636079Swollmanextern int maxsockets; 2972112Swollmanextern u_long sb_max; 29836079Swollmanextern struct vm_zone *socket_zone; 29936079Swollmanextern so_gen_t so_gencnt; 30014505Shsu 30132995Sbdestruct file; 30215492Sbdestruct filedesc; 30315492Sbdestruct mbuf; 30415492Sbdestruct sockaddr; 30515492Sbdestruct stat; 30632995Sbdestruct ucred; 30732995Sbdestruct uio; 30815492Sbde 3091541Srgrimes/* 3101541Srgrimes * File operations on sockets. 3111541Srgrimes */ 31245311Sdtint soo_read __P((struct file *fp, struct uio *uio, struct ucred *cred, 31351418Sgreen int flags, struct proc *p)); 31445311Sdtint soo_write __P((struct file *fp, struct uio *uio, struct ucred *cred, 31551418Sgreen int flags, struct proc *p)); 31643512Snewtonint soo_close __P((struct file *fp, struct proc *p)); 31736735Sdfrint soo_ioctl __P((struct file *fp, u_long cmd, caddr_t data, 31814505Shsu struct proc *p)); 31929350Speterint soo_poll __P((struct file *fp, int events, struct ucred *cred, 32029350Speter struct proc *p)); 32152984Speterint soo_stat __P((struct file *fp, struct stat *ub, struct proc *p)); 3223304Sphk 3233304Sphk/* 3243304Sphk * From uipc_socket and friends 3253304Sphk */ 32628270Swollmanstruct sockaddr *dup_sockaddr __P((struct sockaddr *sa, int canwait)); 32768883Sdillonint holdsock __P((struct filedesc *fdp, int fdes, struct file **fpp)); 32814505Shsuint sockargs __P((struct mbuf **mp, caddr_t buf, int buflen, int type)); 32928270Swollmanint getsockaddr __P((struct sockaddr **namp, caddr_t uaddr, size_t len)); 33014505Shsuvoid sbappend __P((struct sockbuf *sb, struct mbuf *m)); 33114505Shsuint sbappendaddr __P((struct sockbuf *sb, struct sockaddr *asa, 33214505Shsu struct mbuf *m0, struct mbuf *control)); 33314505Shsuint sbappendcontrol __P((struct sockbuf *sb, struct mbuf *m0, 33414505Shsu struct mbuf *control)); 33514505Shsuvoid sbappendrecord __P((struct sockbuf *sb, struct mbuf *m0)); 33614505Shsuvoid sbcheck __P((struct sockbuf *sb)); 33714505Shsuvoid sbcompress __P((struct sockbuf *sb, struct mbuf *m, struct mbuf *n)); 33819670Sbdestruct mbuf * 33919670Sbde sbcreatecontrol __P((caddr_t p, int size, int type, int level)); 34014505Shsuvoid sbdrop __P((struct sockbuf *sb, int len)); 34114505Shsuvoid sbdroprecord __P((struct sockbuf *sb)); 34214505Shsuvoid sbflush __P((struct sockbuf *sb)); 34314505Shsuvoid sbinsertoob __P((struct sockbuf *sb, struct mbuf *m0)); 34452070Sgreenvoid sbrelease __P((struct sockbuf *sb, struct socket *so)); 34552070Sgreenint sbreserve __P((struct sockbuf *sb, u_long cc, struct socket *so, 34652070Sgreen struct proc *p)); 34736079Swollmanvoid sbtoxsockbuf __P((struct sockbuf *sb, struct xsockbuf *xsb)); 34814505Shsuint sbwait __P((struct sockbuf *sb)); 34914505Shsuint sb_lock __P((struct sockbuf *sb)); 35014505Shsuint soabort __P((struct socket *so)); 35128270Swollmanint soaccept __P((struct socket *so, struct sockaddr **nam)); 35236079Swollmanstruct socket *soalloc __P((int waitok)); 35328270Swollmanint sobind __P((struct socket *so, struct sockaddr *nam, struct proc *p)); 35414505Shsuvoid socantrcvmore __P((struct socket *so)); 35514505Shsuvoid socantsendmore __P((struct socket *so)); 35614505Shsuint soclose __P((struct socket *so)); 35728270Swollmanint soconnect __P((struct socket *so, struct sockaddr *nam, struct proc *p)); 35814505Shsuint soconnect2 __P((struct socket *so1, struct socket *so2)); 35914505Shsuint socreate __P((int dom, struct socket **aso, int type, int proto, 36014505Shsu struct proc *p)); 36136079Swollmanvoid sodealloc __P((struct socket *so)); 36214505Shsuint sodisconnect __P((struct socket *so)); 36314505Shsuvoid sofree __P((struct socket *so)); 36438482Swollmanint sogetopt __P((struct socket *so, struct sockopt *sopt)); 36514505Shsuvoid sohasoutofband __P((struct socket *so)); 36614505Shsuvoid soisconnected __P((struct socket *so)); 36714505Shsuvoid soisconnecting __P((struct socket *so)); 36814505Shsuvoid soisdisconnected __P((struct socket *so)); 36914505Shsuvoid soisdisconnecting __P((struct socket *so)); 37025201Swollmanint solisten __P((struct socket *so, int backlog, struct proc *p)); 37114505Shsustruct socket * 37218787Spst sodropablereq __P((struct socket *head)); 37318787Spststruct socket * 37427531Sfenner sonewconn __P((struct socket *head, int connstatus)); 37551381Sgreenstruct socket * 37651381Sgreen sonewconn3 __P((struct socket *head, int connstatus, struct proc *p)); 37738482Swollmanint sooptcopyin __P((struct sockopt *sopt, void *buf, size_t len, 37838482Swollman size_t minlen)); 37938482Swollmanint sooptcopyout __P((struct sockopt *sopt, void *buf, size_t len)); 38053541Sshin 38153541Sshin/* XXX; prepare mbuf for (__FreeBSD__ < 3) routines. */ 38253541Sshinint soopt_getm __P((struct sockopt *sopt, struct mbuf **mp)); 38353541Sshinint soopt_mcopyin __P((struct sockopt *sopt, struct mbuf *m)); 38453541Sshinint soopt_mcopyout __P((struct sockopt *sopt, struct mbuf *m)); 38553541Sshin 38629350Speterint sopoll __P((struct socket *so, int events, struct ucred *cred, 38729350Speter struct proc *p)); 38828270Swollmanint soreceive __P((struct socket *so, struct sockaddr **paddr, 38928270Swollman struct uio *uio, struct mbuf **mp0, 39028270Swollman struct mbuf **controlp, int *flagsp)); 39114505Shsuint soreserve __P((struct socket *so, u_long sndcc, u_long rcvcc)); 39214505Shsuvoid sorflush __P((struct socket *so)); 39328270Swollmanint sosend __P((struct socket *so, struct sockaddr *addr, struct uio *uio, 39428270Swollman struct mbuf *top, struct mbuf *control, int flags, 39528270Swollman struct proc *p)); 39638482Swollmanint sosetopt __P((struct socket *so, struct sockopt *sopt)); 39714505Shsuint soshutdown __P((struct socket *so, int how)); 39836079Swollmanvoid sotoxsocket __P((struct socket *so, struct xsocket *xso)); 39914505Shsuvoid sowakeup __P((struct socket *so, struct sockbuf *sb)); 40031927Sbde 40161837Salfred/* accept filter functions */ 40261837Salfredint accept_filt_add __P((struct accept_filter *filt)); 40361837Salfredint accept_filt_del __P((char *name)); 40461837Salfredstruct accept_filter * accept_filt_get __P((char *name)); 40561837Salfred#ifdef ACCEPT_FILTER_MOD 40661837Salfredint accept_filt_generic_mod_event __P((module_t mod, int event, void *data)); 40765534SalfredSYSCTL_DECL(_net_inet_accf); 40861837Salfred#endif /* ACCEPT_FILTER_MOD */ 40961837Salfred 41055205Speter#endif /* _KERNEL */ 4112165Spaul 41214505Shsu#endif /* !_SYS_SOCKETVAR_H_ */ 413