socketvar.h revision 126425
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 126425 2004-03-01 03:14:23Z rwatson $ 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 */ 7098993Salfred void *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 { 101100591Sjdp struct selinfo sb_sel; /* process selecting read/write */ 102117708Srobert#define sb_startzero sb_mb 10397658Stanimura struct mbuf *sb_mb; /* the mbuf chain */ 104121628Ssam struct mbuf *sb_mbtail; /* the last mbuf in the chain */ 105121628Ssam struct mbuf *sb_lastrecord; /* first mbuf of last record in 106121628Ssam * socket buffer */ 107100591Sjdp u_int sb_cc; /* actual chars in buffer */ 108100591Sjdp u_int sb_hiwat; /* max actual char count */ 109100591Sjdp u_int sb_mbcnt; /* chars of mbufs used */ 110100591Sjdp u_int sb_mbmax; /* max chars of mbufs to use */ 111106313Skbyanc u_int sb_ctl; /* non-data chars in buffer */ 112100591Sjdp int sb_lowat; /* low water mark */ 113100591Sjdp int sb_timeo; /* timeout for read/write */ 11497658Stanimura short sb_flags; /* flags, see below */ 1151541Srgrimes } so_rcv, so_snd; 1161541Srgrimes#define SB_MAX (256*1024) /* default for max chars in sockbuf */ 1171541Srgrimes#define SB_LOCK 0x01 /* lock on data queue */ 1181541Srgrimes#define SB_WANT 0x02 /* someone is waiting to lock */ 1191541Srgrimes#define SB_WAIT 0x04 /* someone is waiting for data/space */ 1201541Srgrimes#define SB_SEL 0x08 /* someone is selecting */ 1211541Srgrimes#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */ 12236527Speter#define SB_UPCALL 0x20 /* someone wants an upcall */ 1231541Srgrimes#define SB_NOINTR 0x40 /* operations not interruptible */ 12455943Sjasone#define SB_AIO 0x80 /* AIO operations queued */ 12559288Sjlemon#define SB_KNOTE 0x100 /* kernel note attached */ 1261541Srgrimes 12797658Stanimura void (*so_upcall)(struct socket *, void *, int); 12897658Stanimura void *so_upcallarg; 12997658Stanimura struct ucred *so_cred; /* user credentials */ 130122524Srwatson struct label *so_label; /* MAC label for socket */ 131122524Srwatson struct label *so_peerlabel; /* cached MAC label for socket peer */ 13238482Swollman /* NB: generation count must not be first; easiest to make it last. */ 13397658Stanimura so_gen_t so_gencnt; /* generation count */ 13497658Stanimura void *so_emuldata; /* private data for emulators */ 13597658Stanimura struct so_accf { 13697658Stanimura struct accept_filter *so_accept_filter; 13797658Stanimura void *so_accept_filter_arg; /* saved filter args */ 13897658Stanimura char *so_accept_filter_str; /* saved user args */ 13997658Stanimura } *so_accf; 1401541Srgrimes}; 1411541Srgrimes 142121628Ssam#define SB_EMPTY_FIXUP(sb) do { \ 143121628Ssam if ((sb)->sb_mb == NULL) { \ 144121628Ssam (sb)->sb_mbtail = NULL; \ 145121628Ssam (sb)->sb_lastrecord = NULL; \ 146121628Ssam } \ 147121628Ssam} while (/*CONSTCOND*/0) 148121628Ssam 1491541Srgrimes/* 1501541Srgrimes * Socket state bits. 1511541Srgrimes */ 15214547Sdg#define SS_NOFDREF 0x0001 /* no file table ref any more */ 15314547Sdg#define SS_ISCONNECTED 0x0002 /* socket connected to a peer */ 15414547Sdg#define SS_ISCONNECTING 0x0004 /* in process of connecting to peer */ 15514547Sdg#define SS_ISDISCONNECTING 0x0008 /* in process of disconnecting */ 15614547Sdg#define SS_CANTSENDMORE 0x0010 /* can't send more data to peer */ 15714547Sdg#define SS_CANTRCVMORE 0x0020 /* can't receive more data from peer */ 15814547Sdg#define SS_RCVATMARK 0x0040 /* at mark on input */ 1591541Srgrimes 16014547Sdg#define SS_NBIO 0x0100 /* non-blocking ops */ 16114547Sdg#define SS_ASYNC 0x0200 /* async i/o notify */ 16214547Sdg#define SS_ISCONFIRMING 0x0400 /* deciding to accept connection req */ 1631541Srgrimes 16414547Sdg#define SS_INCOMP 0x0800 /* unaccepted, incomplete connection */ 16514547Sdg#define SS_COMP 0x1000 /* unaccepted, complete connection */ 16643196Sfenner#define SS_ISDISCONNECTED 0x2000 /* socket disconnected from peer */ 1671541Srgrimes 16836079Swollman/* 16936079Swollman * Externalized form of struct socket used by the sysctl(3) interface. 17036079Swollman */ 17183045Sobrienstruct xsocket { 17236079Swollman size_t xso_len; /* length of this structure */ 17336079Swollman struct socket *xso_so; /* makes a convenient handle sometimes */ 17436079Swollman short so_type; 17536079Swollman short so_options; 17636079Swollman short so_linger; 17736079Swollman short so_state; 17836079Swollman caddr_t so_pcb; /* another convenient handle */ 17936079Swollman int xso_protocol; 18036079Swollman int xso_family; 18136079Swollman short so_qlen; 18236079Swollman short so_incqlen; 18336079Swollman short so_qlimit; 18436079Swollman short so_timeo; 18536079Swollman u_short so_error; 18636079Swollman pid_t so_pgid; 18736079Swollman u_long so_oobmark; 18883421Sobrien struct xsockbuf { 189100591Sjdp u_int sb_cc; 190100591Sjdp u_int sb_hiwat; 191100591Sjdp u_int sb_mbcnt; 192100591Sjdp u_int sb_mbmax; 193100591Sjdp int sb_lowat; 194100591Sjdp int sb_timeo; 19536079Swollman short sb_flags; 19636079Swollman } so_rcv, so_snd; 19736079Swollman uid_t so_uid; /* XXX */ 19836079Swollman}; 19914547Sdg 2001541Srgrimes/* 2011541Srgrimes * Macros for sockets and socket buffering. 2021541Srgrimes */ 2031541Srgrimes 2041541Srgrimes/* 20536527Speter * Do we need to notify the other side when I/O is possible? 20636527Speter */ 20755943Sjasone#define sb_notify(sb) (((sb)->sb_flags & (SB_WAIT | SB_SEL | SB_ASYNC | \ 20859288Sjlemon SB_UPCALL | SB_AIO | SB_KNOTE)) != 0) 20936527Speter 21036527Speter/* 2111541Srgrimes * How much space is there in a socket buffer (so->so_snd or so->so_rcv)? 2121541Srgrimes * This is problematical if the fields are unsigned, as the space might 2131541Srgrimes * still be negative (cc > hiwat or mbcnt > mbmax). Should detect 2141541Srgrimes * overflow and return 0. Should use "lmin" but it doesn't exist now. 2151541Srgrimes */ 2161541Srgrimes#define sbspace(sb) \ 2171541Srgrimes ((long) imin((int)((sb)->sb_hiwat - (sb)->sb_cc), \ 2181541Srgrimes (int)((sb)->sb_mbmax - (sb)->sb_mbcnt))) 2191541Srgrimes 2201541Srgrimes/* do we have to send all at once on a socket? */ 2211541Srgrimes#define sosendallatonce(so) \ 2221541Srgrimes ((so)->so_proto->pr_flags & PR_ATOMIC) 2231541Srgrimes 2241541Srgrimes/* can we read something from so? */ 2251541Srgrimes#define soreadable(so) \ 2261541Srgrimes ((so)->so_rcv.sb_cc >= (so)->so_rcv.sb_lowat || \ 2271541Srgrimes ((so)->so_state & SS_CANTRCVMORE) || \ 22870536Sphk !TAILQ_EMPTY(&(so)->so_comp) || (so)->so_error) 2291541Srgrimes 2301541Srgrimes/* can we write something to so? */ 2311541Srgrimes#define sowriteable(so) \ 2323304Sphk ((sbspace(&(so)->so_snd) >= (so)->so_snd.sb_lowat && \ 2331541Srgrimes (((so)->so_state&SS_ISCONNECTED) || \ 2343304Sphk ((so)->so_proto->pr_flags&PR_CONNREQUIRED)==0)) || \ 2351541Srgrimes ((so)->so_state & SS_CANTSENDMORE) || \ 2361541Srgrimes (so)->so_error) 2371541Srgrimes 2381541Srgrimes/* adjust counters in sb reflecting allocation of m */ 2391541Srgrimes#define sballoc(sb, m) { \ 2401541Srgrimes (sb)->sb_cc += (m)->m_len; \ 241109098Stjr if ((m)->m_type != MT_DATA && (m)->m_type != MT_HEADER && \ 242109098Stjr (m)->m_type != MT_OOBDATA) \ 243106313Skbyanc (sb)->sb_ctl += (m)->m_len; \ 2441541Srgrimes (sb)->sb_mbcnt += MSIZE; \ 2451541Srgrimes if ((m)->m_flags & M_EXT) \ 2461541Srgrimes (sb)->sb_mbcnt += (m)->m_ext.ext_size; \ 2471541Srgrimes} 2481541Srgrimes 2491541Srgrimes/* adjust counters in sb reflecting freeing of m */ 2501541Srgrimes#define sbfree(sb, m) { \ 2511541Srgrimes (sb)->sb_cc -= (m)->m_len; \ 252109098Stjr if ((m)->m_type != MT_DATA && (m)->m_type != MT_HEADER && \ 253109098Stjr (m)->m_type != MT_OOBDATA) \ 254106313Skbyanc (sb)->sb_ctl -= (m)->m_len; \ 2551541Srgrimes (sb)->sb_mbcnt -= MSIZE; \ 2561541Srgrimes if ((m)->m_flags & M_EXT) \ 2571541Srgrimes (sb)->sb_mbcnt -= (m)->m_ext.ext_size; \ 2581541Srgrimes} 2591541Srgrimes 2601541Srgrimes/* 2611541Srgrimes * Set lock on sockbuf sb; sleep if lock is already held. 2621541Srgrimes * Unless SB_NOINTR is set on sockbuf, sleep is interruptible. 2631541Srgrimes * Returns error without lock if sleep is interrupted. 2641541Srgrimes */ 2651541Srgrimes#define sblock(sb, wf) ((sb)->sb_flags & SB_LOCK ? \ 266111119Simp (((wf) == M_WAITOK) ? sb_lock(sb) : EWOULDBLOCK) : \ 2671541Srgrimes ((sb)->sb_flags |= SB_LOCK), 0) 2681541Srgrimes 2691541Srgrimes/* release lock on sockbuf sb */ 2701541Srgrimes#define sbunlock(sb) { \ 2711541Srgrimes (sb)->sb_flags &= ~SB_LOCK; \ 2721541Srgrimes if ((sb)->sb_flags & SB_WANT) { \ 2731541Srgrimes (sb)->sb_flags &= ~SB_WANT; \ 274111748Sdes wakeup(&(sb)->sb_flags); \ 2751541Srgrimes } \ 2761541Srgrimes} 2771541Srgrimes 27886487Sdillon/* 27986487Sdillon * soref()/sorele() ref-count the socket structure. Note that you must 28086487Sdillon * still explicitly close the socket, but the last ref count will free 28186487Sdillon * the structure. 28286487Sdillon */ 28397658Stanimura#define soref(so) do { \ 28497658Stanimura ++(so)->so_count; \ 28586487Sdillon } while (0) 28686487Sdillon 28797658Stanimura#define sorele(so) do { \ 28889318Salfred if ((so)->so_count <= 0) \ 28997658Stanimura panic("sorele");\ 29097658Stanimura if (--(so)->so_count == 0)\ 29197658Stanimura sofree(so); \ 29286487Sdillon } while (0) 29386487Sdillon 29497658Stanimura#define sotryfree(so) do { \ 29589318Salfred if ((so)->so_count == 0) \ 29697658Stanimura sofree(so); \ 29786487Sdillon } while(0) 29886487Sdillon 29998385Stanimura#define sorwakeup(so) do { \ 30098385Stanimura if (sb_notify(&(so)->so_rcv)) \ 30198385Stanimura sowakeup((so), &(so)->so_rcv); \ 30298385Stanimura } while (0) 3031541Srgrimes 30498385Stanimura#define sowwakeup(so) do { \ 30598385Stanimura if (sb_notify(&(so)->so_snd)) \ 30698385Stanimura sowakeup((so), &(so)->so_snd); \ 30798385Stanimura } while (0) 3081541Srgrimes 30955205Speter#ifdef _KERNEL 31031927Sbde 31138482Swollman/* 31238482Swollman * Argument structure for sosetopt et seq. This is in the KERNEL 31338482Swollman * section because it will never be visible to user code. 31438482Swollman */ 31538482Swollmanenum sopt_dir { SOPT_GET, SOPT_SET }; 31638482Swollmanstruct sockopt { 31738482Swollman enum sopt_dir sopt_dir; /* is this a get or a set? */ 31838482Swollman int sopt_level; /* second arg of [gs]etsockopt */ 31938482Swollman int sopt_name; /* third arg of [gs]etsockopt */ 32038482Swollman void *sopt_val; /* fourth arg of [gs]etsockopt */ 32138482Swollman size_t sopt_valsize; /* (almost) fifth arg of [gs]etsockopt */ 32295959Salfred struct thread *sopt_td; /* calling thread or null if kernel */ 32338482Swollman}; 32438482Swollman 32561837Salfredstruct accept_filter { 32661837Salfred char accf_name[16]; 32761837Salfred void (*accf_callback) 32892719Salfred (struct socket *so, void *arg, int waitflag); 32961837Salfred void * (*accf_create) 33092719Salfred (struct socket *so, char *arg); 33161837Salfred void (*accf_destroy) 33292719Salfred (struct socket *so); 33395959Salfred SLIST_ENTRY(accept_filter) accf_next; 33482656Sjlemon}; 33561837Salfred 33631927Sbde#ifdef MALLOC_DECLARE 33795959SalfredMALLOC_DECLARE(M_ACCF); 33831927SbdeMALLOC_DECLARE(M_PCB); 33931927SbdeMALLOC_DECLARE(M_SONAME); 34031927Sbde#endif 34131927Sbde 34295959Salfredextern int maxsockets; 3432112Swollmanextern u_long sb_max; 34495959Salfredextern struct uma_zone *socket_zone; 34536079Swollmanextern so_gen_t so_gencnt; 34614505Shsu 34715492Sbdestruct mbuf; 34815492Sbdestruct sockaddr; 34932995Sbdestruct ucred; 35032995Sbdestruct uio; 35115492Sbde 3521541Srgrimes/* 3533304Sphk * From uipc_socket and friends 3543304Sphk */ 35592719Salfredint sockargs(struct mbuf **mp, caddr_t buf, int buflen, int type); 35692719Salfredint getsockaddr(struct sockaddr **namp, caddr_t uaddr, size_t len); 35792719Salfredvoid sbappend(struct sockbuf *sb, struct mbuf *m); 358121628Ssamvoid sbappendstream(struct sockbuf *sb, struct mbuf *m); 35992719Salfredint sbappendaddr(struct sockbuf *sb, struct sockaddr *asa, 36092719Salfred struct mbuf *m0, struct mbuf *control); 36192719Salfredint sbappendcontrol(struct sockbuf *sb, struct mbuf *m0, 36292719Salfred struct mbuf *control); 36392719Salfredvoid sbappendrecord(struct sockbuf *sb, struct mbuf *m0); 36492719Salfredvoid sbcheck(struct sockbuf *sb); 36592719Salfredvoid sbcompress(struct sockbuf *sb, struct mbuf *m, struct mbuf *n); 36619670Sbdestruct mbuf * 36792719Salfred sbcreatecontrol(caddr_t p, int size, int type, int level); 36892719Salfredvoid sbdrop(struct sockbuf *sb, int len); 36992719Salfredvoid sbdroprecord(struct sockbuf *sb); 37092719Salfredvoid sbflush(struct sockbuf *sb); 37192719Salfredvoid sbinsertoob(struct sockbuf *sb, struct mbuf *m0); 37292719Salfredvoid sbrelease(struct sockbuf *sb, struct socket *so); 37392719Salfredint sbreserve(struct sockbuf *sb, u_long cc, struct socket *so, 37493008Sbde struct thread *td); 37592719Salfredvoid sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb); 37692719Salfredint sbwait(struct sockbuf *sb); 37792719Salfredint sb_lock(struct sockbuf *sb); 37892719Salfredint soabort(struct socket *so); 37992719Salfredint soaccept(struct socket *so, struct sockaddr **nam); 380126411Srwatsonstruct socket *soalloc(int mflags); 38195959Salfredint socheckuid(struct socket *so, uid_t uid); 38292719Salfredint sobind(struct socket *so, struct sockaddr *nam, struct thread *td); 38392719Salfredvoid socantrcvmore(struct socket *so); 38492719Salfredvoid socantsendmore(struct socket *so); 38592719Salfredint soclose(struct socket *so); 38692719Salfredint soconnect(struct socket *so, struct sockaddr *nam, struct thread *td); 38792719Salfredint soconnect2(struct socket *so1, struct socket *so2); 38898849Skenint socow_setup(struct mbuf *m0, struct uio *uio); 38992719Salfredint socreate(int dom, struct socket **aso, int type, int proto, 39092719Salfred struct ucred *cred, struct thread *td); 391106326Salcvoid sodealloc(struct socket *so); 39292719Salfredint sodisconnect(struct socket *so); 393126425Srwatsonstruct sockaddr *sodupsockaddr(const struct sockaddr *sa, int mflags); 39492719Salfredvoid sofree(struct socket *so); 39592719Salfredint sogetopt(struct socket *so, struct sockopt *sopt); 39692719Salfredvoid sohasoutofband(struct socket *so); 39792719Salfredvoid soisconnected(struct socket *so); 39892719Salfredvoid soisconnecting(struct socket *so); 39992719Salfredvoid soisdisconnected(struct socket *so); 40092719Salfredvoid soisdisconnecting(struct socket *so); 40192719Salfredint solisten(struct socket *so, int backlog, struct thread *td); 40214505Shsustruct socket * 40392719Salfred sonewconn(struct socket *head, int connstatus); 40493008Sbdeint sooptcopyin(struct sockopt *sopt, void *buf, size_t len, size_t minlen); 405118453Shsuint sooptcopyout(struct sockopt *sopt, const void *buf, size_t len); 40653541Sshin 40753541Sshin/* XXX; prepare mbuf for (__FreeBSD__ < 3) routines. */ 40892719Salfredint soopt_getm(struct sockopt *sopt, struct mbuf **mp); 40992719Salfredint soopt_mcopyin(struct sockopt *sopt, struct mbuf *m); 41092719Salfredint soopt_mcopyout(struct sockopt *sopt, struct mbuf *m); 41153541Sshin 412101983Srwatsonint sopoll(struct socket *so, int events, struct ucred *active_cred, 41393008Sbde struct thread *td); 41493008Sbdeint soreceive(struct socket *so, struct sockaddr **paddr, struct uio *uio, 41593008Sbde struct mbuf **mp0, struct mbuf **controlp, int *flagsp); 41692719Salfredint soreserve(struct socket *so, u_long sndcc, u_long rcvcc); 41792719Salfredvoid sorflush(struct socket *so); 41892719Salfredint sosend(struct socket *so, struct sockaddr *addr, struct uio *uio, 41993008Sbde struct mbuf *top, struct mbuf *control, int flags, 42093008Sbde struct thread *td); 42192719Salfredint sosetopt(struct socket *so, struct sockopt *sopt); 42292719Salfredint soshutdown(struct socket *so, int how); 42392719Salfredvoid sotoxsocket(struct socket *so, struct xsocket *xso); 42492719Salfredvoid sowakeup(struct socket *so, struct sockbuf *sb); 42531927Sbde 426121628Ssam#ifdef SOCKBUF_DEBUG 427121628Ssamvoid sblastrecordchk(struct sockbuf *, const char *, int); 428121628Ssam#define SBLASTRECORDCHK(sb) sblastrecordchk((sb), __FILE__, __LINE__) 429121628Ssam 430121628Ssamvoid sblastmbufchk(struct sockbuf *, const char *, int); 431121628Ssam#define SBLASTMBUFCHK(sb) sblastmbufchk((sb), __FILE__, __LINE__) 432121628Ssam#else 433121628Ssam#define SBLASTRECORDCHK(sb) /* nothing */ 434121628Ssam#define SBLASTMBUFCHK(sb) /* nothing */ 435121628Ssam#endif /* SOCKBUF_DEBUG */ 436121628Ssam 43795959Salfred/* 43895959Salfred * Accept filter functions (duh). 43995959Salfred */ 44092719Salfredint accept_filt_add(struct accept_filter *filt); 44192719Salfredint accept_filt_del(char *name); 44295959Salfredstruct accept_filter *accept_filt_get(char *name); 44361837Salfred#ifdef ACCEPT_FILTER_MOD 44495959Salfred#ifdef SYSCTL_DECL 44565534SalfredSYSCTL_DECL(_net_inet_accf); 44695959Salfred#endif 44795959Salfredint accept_filt_generic_mod_event(module_t mod, int event, void *data); 44895959Salfred#endif 44961837Salfred 45055205Speter#endif /* _KERNEL */ 4512165Spaul 45214505Shsu#endif /* !_SYS_SOCKETVAR_H_ */ 453