socketvar.h revision 97658
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 97658 2002-05-31 11:52:35Z tanimura $ 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 5195552Stanimura/* 5295552Stanimura * List of locks: 5395552Stanimura * (c) const, inited in either socreate() or sonewconn() 5495552Stanimura * (m) sb_mtx mutex 5595552Stanimura * (mr) so_rcv.sb_mtx mutex 5697658Stanimura * (sg) sigio_lock sx 5797658Stanimura * (sh) sohead_lock sx 5895552Stanimura * 5997658Stanimura * Lock of so_rcv.sb_mtx can duplicate, provided that sohead_lock 6097658Stanimura * is exclusively locked. 6197658Stanimura * 6297658Stanimura * Brackets mean that this data is not protected yet. 6395552Stanimura */ 641541Srgrimesstruct socket { 6597658Stanimura int so_count; /* reference count */ 6697658Stanimura short so_type; /* generic type, see socket.h */ 6797658Stanimura short so_options; /* from socket call, see socket.h */ 6897658Stanimura short so_linger; /* time to linger while closing */ 6997658Stanimura short so_state; /* internal state flags SS_*, below */ 7097658Stanimura caddr_t so_pcb; /* protocol control block */ 7197658Stanimura struct protosw *so_proto; /* protocol handle */ 721541Srgrimes/* 7313765Smpp * Variables for connection queuing. 741541Srgrimes * Socket where accepts occur is so_head in all subsidiary sockets. 751541Srgrimes * If so_head is 0, socket is not related to an accept. 7678913Sjlemon * For head socket so_incomp queues partially completed connections, 7778913Sjlemon * while so_comp is a queue of connections ready to be accepted. 781541Srgrimes * If a connection is aborted and it has so_head set, then 7978913Sjlemon * it has to be pulled out of either so_incomp or so_comp. 801541Srgrimes * We allow connections to queue up based on current queue lengths 811541Srgrimes * and limit on number of queued connections for this socket. 821541Srgrimes */ 8397658Stanimura struct socket *so_head; /* back pointer to accept socket */ 8497658Stanimura TAILQ_HEAD(, socket) so_incomp; /* queue of partial unaccepted connections */ 8597658Stanimura TAILQ_HEAD(, socket) so_comp; /* queue of complete unaccepted connections */ 8697658Stanimura TAILQ_ENTRY(socket) so_list; /* list of unaccepted connections */ 8797658Stanimura short so_qlen; /* number of unaccepted connections */ 8897658Stanimura short so_incqlen; /* number of unaccepted incomplete 8918787Spst connections */ 9097658Stanimura short so_qlimit; /* max number queued connections */ 9197658Stanimura short so_timeo; /* connection timeout */ 9297658Stanimura u_short so_error; /* error affecting connection */ 9397658Stanimura struct sigio *so_sigio; /* [sg] information for async I/O or 9441087Struckman out of band data (SIGURG) */ 9597658Stanimura u_long so_oobmark; /* chars to oob mark */ 9697658Stanimura TAILQ_HEAD(, aiocblist) so_aiojobq; /* AIO ops waiting on socket */ 971541Srgrimes/* 981541Srgrimes * Variables for socket buffering. 991541Srgrimes */ 10083421Sobrien struct sockbuf { 10197658Stanimura u_long sb_cc; /* actual chars in buffer */ 10297658Stanimura u_long sb_hiwat; /* max actual char count */ 10397658Stanimura u_long sb_mbcnt; /* chars of mbufs used */ 10497658Stanimura u_long sb_mbmax; /* max chars of mbufs to use */ 10597658Stanimura long sb_lowat; /* low water mark */ 10697658Stanimura struct mbuf *sb_mb; /* the mbuf chain */ 10797658Stanimura struct selinfo sb_sel; /* process selecting read/write */ 10897658Stanimura short sb_flags; /* flags, see below */ 10997658Stanimura short sb_timeo; /* timeout for read/write */ 1101541Srgrimes } so_rcv, so_snd; 1111541Srgrimes#define SB_MAX (256*1024) /* default for max chars in sockbuf */ 1121541Srgrimes#define SB_LOCK 0x01 /* lock on data queue */ 1131541Srgrimes#define SB_WANT 0x02 /* someone is waiting to lock */ 1141541Srgrimes#define SB_WAIT 0x04 /* someone is waiting for data/space */ 1151541Srgrimes#define SB_SEL 0x08 /* someone is selecting */ 1161541Srgrimes#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */ 11736527Speter#define SB_UPCALL 0x20 /* someone wants an upcall */ 1181541Srgrimes#define SB_NOINTR 0x40 /* operations not interruptible */ 11955943Sjasone#define SB_AIO 0x80 /* AIO operations queued */ 12059288Sjlemon#define SB_KNOTE 0x100 /* kernel note attached */ 1211541Srgrimes 12297658Stanimura void (*so_upcall)(struct socket *, void *, int); 12397658Stanimura void *so_upcallarg; 12497658Stanimura struct ucred *so_cred; /* user credentials */ 12538482Swollman /* NB: generation count must not be first; easiest to make it last. */ 12697658Stanimura so_gen_t so_gencnt; /* generation count */ 12797658Stanimura void *so_emuldata; /* private data for emulators */ 12897658Stanimura struct so_accf { 12997658Stanimura struct accept_filter *so_accept_filter; 13097658Stanimura void *so_accept_filter_arg; /* saved filter args */ 13197658Stanimura char *so_accept_filter_str; /* saved user args */ 13297658Stanimura } *so_accf; 1331541Srgrimes}; 1341541Srgrimes 1351541Srgrimes/* 1361541Srgrimes * Socket state bits. 1371541Srgrimes */ 13814547Sdg#define SS_NOFDREF 0x0001 /* no file table ref any more */ 13914547Sdg#define SS_ISCONNECTED 0x0002 /* socket connected to a peer */ 14014547Sdg#define SS_ISCONNECTING 0x0004 /* in process of connecting to peer */ 14114547Sdg#define SS_ISDISCONNECTING 0x0008 /* in process of disconnecting */ 14214547Sdg#define SS_CANTSENDMORE 0x0010 /* can't send more data to peer */ 14314547Sdg#define SS_CANTRCVMORE 0x0020 /* can't receive more data from peer */ 14414547Sdg#define SS_RCVATMARK 0x0040 /* at mark on input */ 1451541Srgrimes 14614547Sdg#define SS_NBIO 0x0100 /* non-blocking ops */ 14714547Sdg#define SS_ASYNC 0x0200 /* async i/o notify */ 14814547Sdg#define SS_ISCONFIRMING 0x0400 /* deciding to accept connection req */ 1491541Srgrimes 15014547Sdg#define SS_INCOMP 0x0800 /* unaccepted, incomplete connection */ 15114547Sdg#define SS_COMP 0x1000 /* unaccepted, complete connection */ 15243196Sfenner#define SS_ISDISCONNECTED 0x2000 /* socket disconnected from peer */ 1531541Srgrimes 15436079Swollman/* 15536079Swollman * Externalized form of struct socket used by the sysctl(3) interface. 15636079Swollman */ 15783045Sobrienstruct xsocket { 15836079Swollman size_t xso_len; /* length of this structure */ 15936079Swollman struct socket *xso_so; /* makes a convenient handle sometimes */ 16036079Swollman short so_type; 16136079Swollman short so_options; 16236079Swollman short so_linger; 16336079Swollman short so_state; 16436079Swollman caddr_t so_pcb; /* another convenient handle */ 16536079Swollman int xso_protocol; 16636079Swollman int xso_family; 16736079Swollman short so_qlen; 16836079Swollman short so_incqlen; 16936079Swollman short so_qlimit; 17036079Swollman short so_timeo; 17136079Swollman u_short so_error; 17236079Swollman pid_t so_pgid; 17336079Swollman u_long so_oobmark; 17483421Sobrien struct xsockbuf { 17536079Swollman u_long sb_cc; 17636079Swollman u_long sb_hiwat; 17736079Swollman u_long sb_mbcnt; 17836079Swollman u_long sb_mbmax; 17936079Swollman long sb_lowat; 18036079Swollman short sb_flags; 18136079Swollman short sb_timeo; 18236079Swollman } so_rcv, so_snd; 18336079Swollman uid_t so_uid; /* XXX */ 18436079Swollman}; 18514547Sdg 1861541Srgrimes/* 1871541Srgrimes * Macros for sockets and socket buffering. 1881541Srgrimes */ 1891541Srgrimes 1901541Srgrimes/* 19136527Speter * Do we need to notify the other side when I/O is possible? 19236527Speter */ 19355943Sjasone#define sb_notify(sb) (((sb)->sb_flags & (SB_WAIT | SB_SEL | SB_ASYNC | \ 19459288Sjlemon SB_UPCALL | SB_AIO | SB_KNOTE)) != 0) 19536527Speter 19636527Speter/* 1971541Srgrimes * How much space is there in a socket buffer (so->so_snd or so->so_rcv)? 1981541Srgrimes * This is problematical if the fields are unsigned, as the space might 1991541Srgrimes * still be negative (cc > hiwat or mbcnt > mbmax). Should detect 2001541Srgrimes * overflow and return 0. Should use "lmin" but it doesn't exist now. 2011541Srgrimes */ 2021541Srgrimes#define sbspace(sb) \ 2031541Srgrimes ((long) imin((int)((sb)->sb_hiwat - (sb)->sb_cc), \ 2041541Srgrimes (int)((sb)->sb_mbmax - (sb)->sb_mbcnt))) 2051541Srgrimes 2061541Srgrimes/* do we have to send all at once on a socket? */ 2071541Srgrimes#define sosendallatonce(so) \ 2081541Srgrimes ((so)->so_proto->pr_flags & PR_ATOMIC) 2091541Srgrimes 2101541Srgrimes/* can we read something from so? */ 2111541Srgrimes#define soreadable(so) \ 2121541Srgrimes ((so)->so_rcv.sb_cc >= (so)->so_rcv.sb_lowat || \ 2131541Srgrimes ((so)->so_state & SS_CANTRCVMORE) || \ 21470536Sphk !TAILQ_EMPTY(&(so)->so_comp) || (so)->so_error) 2151541Srgrimes 2161541Srgrimes/* can we write something to so? */ 2171541Srgrimes#define sowriteable(so) \ 2183304Sphk ((sbspace(&(so)->so_snd) >= (so)->so_snd.sb_lowat && \ 2191541Srgrimes (((so)->so_state&SS_ISCONNECTED) || \ 2203304Sphk ((so)->so_proto->pr_flags&PR_CONNREQUIRED)==0)) || \ 2211541Srgrimes ((so)->so_state & SS_CANTSENDMORE) || \ 2221541Srgrimes (so)->so_error) 2231541Srgrimes 2241541Srgrimes/* adjust counters in sb reflecting allocation of m */ 2251541Srgrimes#define sballoc(sb, m) { \ 2261541Srgrimes (sb)->sb_cc += (m)->m_len; \ 2271541Srgrimes (sb)->sb_mbcnt += MSIZE; \ 2281541Srgrimes if ((m)->m_flags & M_EXT) \ 2291541Srgrimes (sb)->sb_mbcnt += (m)->m_ext.ext_size; \ 2301541Srgrimes} 2311541Srgrimes 2321541Srgrimes/* adjust counters in sb reflecting freeing of m */ 2331541Srgrimes#define sbfree(sb, m) { \ 2341541Srgrimes (sb)->sb_cc -= (m)->m_len; \ 2351541Srgrimes (sb)->sb_mbcnt -= MSIZE; \ 2361541Srgrimes if ((m)->m_flags & M_EXT) \ 2371541Srgrimes (sb)->sb_mbcnt -= (m)->m_ext.ext_size; \ 2381541Srgrimes} 2391541Srgrimes 2401541Srgrimes/* 2411541Srgrimes * Set lock on sockbuf sb; sleep if lock is already held. 2421541Srgrimes * Unless SB_NOINTR is set on sockbuf, sleep is interruptible. 2431541Srgrimes * Returns error without lock if sleep is interrupted. 2441541Srgrimes */ 2451541Srgrimes#define sblock(sb, wf) ((sb)->sb_flags & SB_LOCK ? \ 2461541Srgrimes (((wf) == M_WAITOK) ? sb_lock(sb) : EWOULDBLOCK) : \ 2471541Srgrimes ((sb)->sb_flags |= SB_LOCK), 0) 2481541Srgrimes 2491541Srgrimes/* release lock on sockbuf sb */ 2501541Srgrimes#define sbunlock(sb) { \ 2511541Srgrimes (sb)->sb_flags &= ~SB_LOCK; \ 2521541Srgrimes if ((sb)->sb_flags & SB_WANT) { \ 2531541Srgrimes (sb)->sb_flags &= ~SB_WANT; \ 2541541Srgrimes wakeup((caddr_t)&(sb)->sb_flags); \ 2551541Srgrimes } \ 2561541Srgrimes} 2571541Srgrimes 25886487Sdillon/* 25986487Sdillon * soref()/sorele() ref-count the socket structure. Note that you must 26086487Sdillon * still explicitly close the socket, but the last ref count will free 26186487Sdillon * the structure. 26286487Sdillon */ 26397658Stanimura#define soref(so) do { \ 26497658Stanimura ++(so)->so_count; \ 26586487Sdillon } while (0) 26686487Sdillon 26797658Stanimura#define sorele(so) do { \ 26889318Salfred if ((so)->so_count <= 0) \ 26997658Stanimura panic("sorele");\ 27097658Stanimura if (--(so)->so_count == 0)\ 27197658Stanimura sofree(so); \ 27286487Sdillon } while (0) 27386487Sdillon 27497658Stanimura#define sotryfree(so) do { \ 27589318Salfred if ((so)->so_count == 0) \ 27697658Stanimura sofree(so); \ 27786487Sdillon } while(0) 27886487Sdillon 27997658Stanimura#define sorwakeup_locked(so) do { \ 28097658Stanimura if (sb_notify(&(so)->so_rcv)) \ 28197658Stanimura sowakeup((so), &(so)->so_rcv); \ 28297658Stanimura } while (0) 2831541Srgrimes 28497658Stanimura#define sorwakeup(so) do { \ 28597658Stanimura sorwakeup_locked(so); \ 28697658Stanimura } while (0) 2871541Srgrimes 28897658Stanimura#define sowwakeup_locked(so) do { \ 28997658Stanimura if (sb_notify(&(so)->so_snd)) \ 29097658Stanimura sowakeup((so), &(so)->so_snd); \ 29197658Stanimura } while (0) 29297658Stanimura 29397658Stanimura#define sowwakeup(so) do { \ 29497658Stanimura sowwakeup_locked(so); \ 29597658Stanimura } while (0) 29697658Stanimura 29755205Speter#ifdef _KERNEL 29831927Sbde 29938482Swollman/* 30038482Swollman * Argument structure for sosetopt et seq. This is in the KERNEL 30138482Swollman * section because it will never be visible to user code. 30238482Swollman */ 30338482Swollmanenum sopt_dir { SOPT_GET, SOPT_SET }; 30438482Swollmanstruct sockopt { 30538482Swollman enum sopt_dir sopt_dir; /* is this a get or a set? */ 30638482Swollman int sopt_level; /* second arg of [gs]etsockopt */ 30738482Swollman int sopt_name; /* third arg of [gs]etsockopt */ 30838482Swollman void *sopt_val; /* fourth arg of [gs]etsockopt */ 30938482Swollman size_t sopt_valsize; /* (almost) fifth arg of [gs]etsockopt */ 31095959Salfred struct thread *sopt_td; /* calling thread or null if kernel */ 31138482Swollman}; 31238482Swollman 31340931Sdgstruct sf_buf { 31460938Sjake SLIST_ENTRY(sf_buf) free_list; /* list of free buffer slots */ 31540931Sdg struct vm_page *m; /* currently mapped page */ 31640931Sdg vm_offset_t kva; /* va of mapping */ 31740931Sdg}; 31840931Sdg 31961837Salfredstruct accept_filter { 32061837Salfred char accf_name[16]; 32161837Salfred void (*accf_callback) 32292719Salfred (struct socket *so, void *arg, int waitflag); 32361837Salfred void * (*accf_create) 32492719Salfred (struct socket *so, char *arg); 32561837Salfred void (*accf_destroy) 32692719Salfred (struct socket *so); 32795959Salfred SLIST_ENTRY(accept_filter) accf_next; 32882656Sjlemon}; 32961837Salfred 33031927Sbde#ifdef MALLOC_DECLARE 33195959SalfredMALLOC_DECLARE(M_ACCF); 33231927SbdeMALLOC_DECLARE(M_PCB); 33331927SbdeMALLOC_DECLARE(M_SONAME); 33431927Sbde#endif 33531927Sbde 33695959Salfredextern int maxsockets; 3372112Swollmanextern u_long sb_max; 33895959Salfredextern struct uma_zone *socket_zone; 33936079Swollmanextern so_gen_t so_gencnt; 34014505Shsu 34132995Sbdestruct file; 34215492Sbdestruct filedesc; 34395959Salfredstruct knote; 34415492Sbdestruct mbuf; 34515492Sbdestruct sockaddr; 34615492Sbdestruct stat; 34732995Sbdestruct ucred; 34832995Sbdestruct uio; 34915492Sbde 3501541Srgrimes/* 3511541Srgrimes * File operations on sockets. 3521541Srgrimes */ 35392719Salfredint soo_read(struct file *fp, struct uio *uio, struct ucred *cred, 35492719Salfred int flags, struct thread *td); 35592719Salfredint soo_write(struct file *fp, struct uio *uio, struct ucred *cred, 35692719Salfred int flags, struct thread *td); 35792719Salfredint soo_close(struct file *fp, struct thread *td); 35892719Salfredint soo_ioctl(struct file *fp, u_long cmd, caddr_t data, 35992719Salfred struct thread *td); 36092719Salfredint soo_poll(struct file *fp, int events, struct ucred *cred, 36192719Salfred struct thread *td); 36292719Salfredint soo_stat(struct file *fp, struct stat *ub, struct thread *td); 36392719Salfredint sokqfilter(struct file *fp, struct knote *kn); 3643304Sphk 3653304Sphk/* 3663304Sphk * From uipc_socket and friends 3673304Sphk */ 36892719Salfredstruct sockaddr *dup_sockaddr(struct sockaddr *sa, int canwait); 36992719Salfredint sockargs(struct mbuf **mp, caddr_t buf, int buflen, int type); 37092719Salfredint getsockaddr(struct sockaddr **namp, caddr_t uaddr, size_t len); 37192719Salfredvoid sbappend(struct sockbuf *sb, struct mbuf *m); 37292719Salfredint sbappendaddr(struct sockbuf *sb, struct sockaddr *asa, 37392719Salfred struct mbuf *m0, struct mbuf *control); 37492719Salfredint sbappendcontrol(struct sockbuf *sb, struct mbuf *m0, 37592719Salfred struct mbuf *control); 37692719Salfredvoid sbappendrecord(struct sockbuf *sb, struct mbuf *m0); 37792719Salfredvoid sbcheck(struct sockbuf *sb); 37892719Salfredvoid sbcompress(struct sockbuf *sb, struct mbuf *m, struct mbuf *n); 37919670Sbdestruct mbuf * 38092719Salfred sbcreatecontrol(caddr_t p, int size, int type, int level); 38192719Salfredvoid sbdrop(struct sockbuf *sb, int len); 38292719Salfredvoid sbdroprecord(struct sockbuf *sb); 38392719Salfredvoid sbflush(struct sockbuf *sb); 38492719Salfredvoid sbinsertoob(struct sockbuf *sb, struct mbuf *m0); 38592719Salfredvoid sbrelease(struct sockbuf *sb, struct socket *so); 38692719Salfredint sbreserve(struct sockbuf *sb, u_long cc, struct socket *so, 38793008Sbde struct thread *td); 38892719Salfredvoid sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb); 38992719Salfredint sbwait(struct sockbuf *sb); 39092719Salfredint sb_lock(struct sockbuf *sb); 39192719Salfredint soabort(struct socket *so); 39292719Salfredint soaccept(struct socket *so, struct sockaddr **nam); 39395959Salfredint socheckuid(struct socket *so, uid_t uid); 39495959Salfredint socheckproc(struct socket *so, struct proc *p); 39592719Salfredstruct socket *soalloc(int waitok); 39692719Salfredint sobind(struct socket *so, struct sockaddr *nam, struct thread *td); 39792719Salfredvoid socantrcvmore(struct socket *so); 39892719Salfredvoid socantsendmore(struct socket *so); 39992719Salfredint soclose(struct socket *so); 40092719Salfredint soconnect(struct socket *so, struct sockaddr *nam, struct thread *td); 40192719Salfredint soconnect2(struct socket *so1, struct socket *so2); 40292719Salfredint socreate(int dom, struct socket **aso, int type, int proto, 40392719Salfred struct ucred *cred, struct thread *td); 40492719Salfredint sodisconnect(struct socket *so); 40597658Stanimuravoid soisconnected_locked(struct socket *so); 40692719Salfredvoid sofree(struct socket *so); 40792719Salfredint sogetopt(struct socket *so, struct sockopt *sopt); 40892719Salfredvoid sohasoutofband(struct socket *so); 40992719Salfredvoid soisconnected(struct socket *so); 41092719Salfredvoid soisconnecting(struct socket *so); 41192719Salfredvoid soisdisconnected(struct socket *so); 41297658Stanimuravoid soisdisconnected_locked(struct socket *so); 41392719Salfredvoid soisdisconnecting(struct socket *so); 41492719Salfredint solisten(struct socket *so, int backlog, struct thread *td); 41514505Shsustruct socket * 41692719Salfred sonewconn(struct socket *head, int connstatus); 41793008Sbdeint sooptcopyin(struct sockopt *sopt, void *buf, size_t len, size_t minlen); 41892719Salfredint sooptcopyout(struct sockopt *sopt, void *buf, size_t len); 41953541Sshin 42053541Sshin/* XXX; prepare mbuf for (__FreeBSD__ < 3) routines. */ 42192719Salfredint soopt_getm(struct sockopt *sopt, struct mbuf **mp); 42292719Salfredint soopt_mcopyin(struct sockopt *sopt, struct mbuf *m); 42392719Salfredint soopt_mcopyout(struct sockopt *sopt, struct mbuf *m); 42453541Sshin 42592719Salfredint sopoll(struct socket *so, int events, struct ucred *cred, 42693008Sbde struct thread *td); 42793008Sbdeint soreceive(struct socket *so, struct sockaddr **paddr, struct uio *uio, 42893008Sbde struct mbuf **mp0, struct mbuf **controlp, int *flagsp); 42992719Salfredint soreserve(struct socket *so, u_long sndcc, u_long rcvcc); 43092719Salfredvoid sorflush(struct socket *so); 43192719Salfredint sosend(struct socket *so, struct sockaddr *addr, struct uio *uio, 43293008Sbde struct mbuf *top, struct mbuf *control, int flags, 43393008Sbde struct thread *td); 43492719Salfredint sosetopt(struct socket *so, struct sockopt *sopt); 43592719Salfredint soshutdown(struct socket *so, int how); 43692719Salfredvoid sotoxsocket(struct socket *so, struct xsocket *xso); 43792719Salfredvoid sowakeup(struct socket *so, struct sockbuf *sb); 43831927Sbde 43995959Salfred/* 44095959Salfred * Accept filter functions (duh). 44195959Salfred */ 44292719Salfredint accept_filt_add(struct accept_filter *filt); 44392719Salfredint accept_filt_del(char *name); 44495959Salfredstruct accept_filter *accept_filt_get(char *name); 44561837Salfred#ifdef ACCEPT_FILTER_MOD 44695959Salfred#ifdef SYSCTL_DECL 44765534SalfredSYSCTL_DECL(_net_inet_accf); 44895959Salfred#endif 44995959Salfredint accept_filt_generic_mod_event(module_t mod, int event, void *data); 45095959Salfred#endif 45161837Salfred 45255205Speter#endif /* _KERNEL */ 4532165Spaul 45414505Shsu#endif /* !_SYS_SOCKETVAR_H_ */ 455