xnu-792.22.5.tar.gz

[apple/xnu.git] / bsd / sys / socketvar.h

diff --git a/bsd/sys/socketvar.h b/bsd/sys/socketvar.h
index c8293aeae7dbf78d2f5b07afbc4e5be1306285dc..3a5c34b8a62f0f8739f8b71525858d1935b8ebcc 100644 (file)
--- a/bsd/sys/socketvar.h
+++ b/bsd/sys/socketvar.h
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * 

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.

  * 
  * 

- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  */
 /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */


@@ -53,29 +59,30 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *

- *     @(#)socketvar.h 8.1 (Berkeley) 6/2/93
+ *     @(#)socketvar.h 8.3 (Berkeley) 2/19/95
+ * $FreeBSD: src/sys/sys/socketvar.h,v 1.46.2.6 2001/08/31 13:45:49 jlemon Exp $

  */
 
  */
 

-#ifndef        _SYS_SOCKETVAR_H_
+#ifndef _SYS_SOCKETVAR_H_

 #define _SYS_SOCKETVAR_H_
 
 #define _SYS_SOCKETVAR_H_
 

+#include <sys/appleapiopts.h>
+#include <sys/queue.h>                 /* for TAILQ macros */

 #include <sys/select.h>                        /* for struct selinfo */
 #include <sys/select.h>                        /* for struct selinfo */

-#include <sys/queue.h>

 #include <net/kext_net.h>
 #include <sys/ev.h>
 #include <net/kext_net.h>
 #include <sys/ev.h>

+#include <sys/cdefs.h>
+

 /*
  * Hacks to get around compiler complaints
  */
 struct mbuf;
 /*
  * Hacks to get around compiler complaints
  */
 struct mbuf;

-struct socket;
-struct uio;
-struct sockbuf;
-struct sockaddr;
-struct kextcb;
+struct socket_filter_entry;

 struct protosw;
 struct sockif;
 struct sockutil;
 
 struct protosw;
 struct sockif;
 struct sockutil;
 

+#ifdef KERNEL_PRIVATE

 /* strings for sleep message: */
 extern char netio[], netcon[], netcls[];
 #define SOCKET_CACHE_ON        
 /* strings for sleep message: */
 extern char netio[], netcon[], netcls[];
 #define SOCKET_CACHE_ON        


@@ -91,24 +98,32 @@ extern      char netio[], netcon[], netcls[];
  * handle on protocol and pointer to protocol
  * private data and error information.
  */
  * handle on protocol and pointer to protocol
  * private data and error information.
  */

+#endif /* KERNEL_PRIVATE */
+

 typedef        u_quad_t so_gen_t;
 
 typedef        u_quad_t so_gen_t;
 

+#ifdef KERNEL_PRIVATE
+#ifndef __APPLE__
+/* We don't support BSD style socket filters */
+struct accept_filter;
+#endif
+

 struct socket {
 struct socket {

-       int     so_zone;        /* zone we were allocated from */
-       short   so_type;                /* generic type, see socket.h */
+       int             so_zone;                        /* zone we were allocated from */
+       short   so_type;                        /* generic type, see socket.h */

        short   so_options;             /* from socket call, see socket.h */
        short   so_linger;              /* time to linger while closing */
        short   so_options;             /* from socket call, see socket.h */
        short   so_linger;              /* time to linger while closing */

-       short   so_state;               /* internal state flags SS_*, below */
+       short   so_state;                       /* internal state flags SS_*, below */

        caddr_t so_pcb;                 /* protocol control block */
        struct  protosw *so_proto;      /* protocol handle */
 /*
        caddr_t so_pcb;                 /* protocol control block */
        struct  protosw *so_proto;      /* protocol handle */
 /*

- * Variables for connection queueing.
+ * Variables for connection queuing.

  * Socket where accepts occur is so_head in all subsidiary sockets.
  * If so_head is 0, socket is not related to an accept.
  * Socket where accepts occur is so_head in all subsidiary sockets.
  * If so_head is 0, socket is not related to an accept.

- * For head socket so_q0 queues partially completed connections,
- * while so_q is a queue of connections ready to be accepted.
+ * For head socket so_incomp queues partially completed connections,
+ * while so_comp is a queue of connections ready to be accepted.

  * If a connection is aborted and it has so_head set, then
  * If a connection is aborted and it has so_head set, then

- * it has to be pulled out of either so_q0 or so_q.
+ * it has to be pulled out of either so_incomp or so_comp.

  * We allow connections to queue up based on current queue lengths
  * and limit on number of queued connections for this socket.
  */
  * We allow connections to queue up based on current queue lengths
  * and limit on number of queued connections for this socket.
  */


@@ -124,6 +139,10 @@ struct socket {
        u_short so_error;               /* error affecting connection */
        pid_t   so_pgid;                /* pgid for signals */
        u_long  so_oobmark;             /* chars to oob mark */
        u_short so_error;               /* error affecting connection */
        pid_t   so_pgid;                /* pgid for signals */
        u_long  so_oobmark;             /* chars to oob mark */

+#ifndef __APPLE__
+       /* We don't support AIO ops */
+       TAILQ_HEAD(, aiocblist) so_aiojobq; /* AIO ops waiting on socket */
+#endif

 /*
  * Variables for socket buffering.
  */
 /*
  * Variables for socket buffering.
  */


@@ -134,28 +153,46 @@ struct socket {
                u_long  sb_mbmax;       /* max chars of mbufs to use */
                long    sb_lowat;       /* low water mark */
                struct  mbuf *sb_mb;    /* the mbuf chain */
                u_long  sb_mbmax;       /* max chars of mbufs to use */
                long    sb_lowat;       /* low water mark */
                struct  mbuf *sb_mb;    /* the mbuf chain */

-               struct  socket *sb_so;  /* socket back ptr */
+#if __APPLE__
+        struct  socket *sb_so;  /* socket back ptr for kexts */
+#endif

                struct  selinfo sb_sel; /* process selecting read/write */
                short   sb_flags;       /* flags, see below */
                struct  selinfo sb_sel; /* process selecting read/write */
                short   sb_flags;       /* flags, see below */

-               short   sb_timeo;       /* timeout for read/write */
+               struct timeval  sb_timeo;       /* timeout for read/write */
+               void    *reserved1;     /* for future use if needed */
+               void    *reserved2;

        } so_rcv, so_snd;
 #define        SB_MAX          (256*1024)      /* default for max chars in sockbuf */
 #define        SB_LOCK         0x01            /* lock on data queue */
 #define        SB_WANT         0x02            /* someone is waiting to lock */
 #define        SB_WAIT         0x04            /* someone is waiting for data/space */
        } so_rcv, so_snd;
 #define        SB_MAX          (256*1024)      /* default for max chars in sockbuf */
 #define        SB_LOCK         0x01            /* lock on data queue */
 #define        SB_WANT         0x02            /* someone is waiting to lock */
 #define        SB_WAIT         0x04            /* someone is waiting for data/space */

-#define        SB_SEL_XXX      0x08            /* Don't use. replaced by  SI_SBSEL in selinfo */
-#define        SB_ASYNC        0x10            /* ASYNC I/O, need signals */
-#define        SB_NOTIFY       (SB_WAIT|SB_ASYNC)
-#define        SB_UPCALL       0x20            /* someone wants an upcall */
-#define        SB_NOINTR       0x40            /* operations not interruptible */
+#define        SB_SEL          0x08            /* someone is selecting */
+#define        SB_ASYNC                0x10            /* ASYNC I/O, need signals */
+#define        SB_UPCALL               0x20            /* someone wants an upcall */
+#define        SB_NOINTR               0x40            /* operations not interruptible */
+#define SB_KNOTE               0x100   /* kernel note attached */
+#ifndef __APPLE__
+#define SB_AIO         0x80            /* AIO operations queued */
+#else
+#define        SB_NOTIFY       (SB_WAIT|SB_SEL|SB_ASYNC)

 #define SB_RECV                0x8000          /* this is rcv sb */
 
 #define SB_RECV                0x8000          /* this is rcv sb */
 

-       caddr_t so_tpcb;                /* Wisc. protocol control block XXX */
-       void    (*so_upcall) __P((struct socket *so, caddr_t arg, int waitf));
+       caddr_t so_tpcb;                /* Wisc. protocol control block - XXX unused? */
+#endif
+
+       void    (*so_upcall)(struct socket *so, caddr_t arg, int waitf);

        caddr_t so_upcallarg;           /* Arg for above */
        uid_t   so_uid;                 /* who opened the socket */
        /* NB: generation count must not be first; easiest to make it last. */
        so_gen_t so_gencnt;             /* generation count */
        caddr_t so_upcallarg;           /* Arg for above */
        uid_t   so_uid;                 /* who opened the socket */
        /* NB: generation count must not be first; easiest to make it last. */
        so_gen_t so_gencnt;             /* generation count */

+#ifndef __APPLE__
+       void    *so_emuldata;           /* private data for emulators */
+       struct  so_accf { 
+               struct  accept_filter *so_accept_filter;
+               void    *so_accept_filter_arg;  /* saved filter args */
+               char    *so_accept_filter_str;  /* saved user args */
+       } *so_accf;
+#else

        TAILQ_HEAD(,eventqelt) so_evlist;
        int     cached_in_sock_layer;   /* Is socket bundled with pcb/pcb.inp_ppcb? */
        struct  socket  *cache_next;
        TAILQ_HEAD(,eventqelt) so_evlist;
        int     cached_in_sock_layer;   /* Is socket bundled with pcb/pcb.inp_ppcb? */
        struct  socket  *cache_next;


@@ -165,8 +202,28 @@ struct socket {
        struct  mbuf *so_temp;          /* Holding area for outbound frags */
        /* Plug-in support - make the socket interface overridable */
        struct  mbuf *so_tail;
        struct  mbuf *so_temp;          /* Holding area for outbound frags */
        /* Plug-in support - make the socket interface overridable */
        struct  mbuf *so_tail;

-       struct  kextcb *so_ext;         /* NKE hook */
+       struct socket_filter_entry *so_filt;            /* NKE hook */
+       u_long  so_flags;               /* Flags */
+#define SOF_NOSIGPIPE          0x00000001
+#define SOF_NOADDRAVAIL                0x00000002      /* returns EADDRNOTAVAIL if src address is gone */
+#define SOF_PCBCLEARING                0x00000004      /* pru_disconnect done, no need to call pru_detach */
+       int     so_usecount;            /* refcounting of socket use */;
+       int     so_retaincnt;
+       u_int32_t       so_filteruse; /* usecount for the socket filters */
+/* for debug pruposes */
+#define SO_LCKDBG_MAX          4       /* number of debug locking Link Registers recorded */
+       u_int32_t lock_lr[SO_LCKDBG_MAX];       /* socket locking calling history */ 
+       int     next_lock_lr;
+       u_int32_t unlock_lr[SO_LCKDBG_MAX];     /* socket unlocking caller history */
+       int     next_unlock_lr;
+       
+
+       void    *reserved3;             /* Temporarily in use/debug: last socket lock LR */
+       void    *reserved4;             /* Temporarily in use/debug: last socket unlock LR */
+       thread_t        so_send_filt_thread;
+#endif

 };
 };

+#endif /* KERNEL_PRIVATE */

 
 /*
  * Socket state bits.
 
 /*
  * Socket state bits.


@@ -185,6 +242,8 @@ struct socket {
 #define        SS_ISCONFIRMING         0x400   /* deciding to accept connection req */
 #define        SS_INCOMP               0x800   /* Unaccepted, incomplete connection */
 #define        SS_COMP                 0x1000  /* unaccepted, complete connection */
 #define        SS_ISCONFIRMING         0x400   /* deciding to accept connection req */
 #define        SS_INCOMP               0x800   /* Unaccepted, incomplete connection */
 #define        SS_COMP                 0x1000  /* unaccepted, complete connection */

+#define        SS_ISDISCONNECTED       0x2000  /* socket disconnected from peer */
+#define        SS_DRAINING             0x4000  /* close waiting for blocked system calls to drain */

 
 /*
  * Externalized form of struct socket used by the sysctl(3) interface.
 
 /*
  * Externalized form of struct socket used by the sysctl(3) interface.


@@ -218,88 +277,32 @@ struct    xsocket {
        uid_t   so_uid;         /* XXX */
 };
 
        uid_t   so_uid;         /* XXX */
 };
 

+#ifdef KERNEL_PRIVATE

 /*
  * Macros for sockets and socket buffering.
  */
 /*
  * Macros for sockets and socket buffering.
  */

-#define sbtoso(sb) (sb->sb_so)

 
 

-/*
- * Do we need to notify the other side when I/O is possible?
- */
-#define sb_notify(sb)  (((sb)->sb_flags & (SB_WAIT|SB_ASYNC|SB_UPCALL)) != 0 || ((sb)->sb_sel.si_flags & SI_SBSEL) != 0)
-
-/*
- * How much space is there in a socket buffer (so->so_snd or so->so_rcv)?
- * This is problematical if the fields are unsigned, as the space might
- * still be negative (cc > hiwat or mbcnt > mbmax).  Should detect
- * overflow and return 0.  Should use "lmin" but it doesn't exist now.
- */
-#define        sbspace(sb) \
-    ((long) imin((int)((sb)->sb_hiwat - (sb)->sb_cc), \
-        (int)((sb)->sb_mbmax - (sb)->sb_mbcnt)))
-
-/* do we have to send all at once on a socket? */
-#define        sosendallatonce(so) \
-    ((so)->so_proto->pr_flags & PR_ATOMIC)
-
-/* can we read something from so? */
-#define        soreadable(so) \
-    ((so)->so_rcv.sb_cc >= (so)->so_rcv.sb_lowat || \
-       ((so)->so_state & SS_CANTRCVMORE) || \
-       (so)->so_comp.tqh_first || (so)->so_error)
-
-/* can we write something to so? */
-#define        sowriteable(so) \
-    ((sbspace(&(so)->so_snd) >= (so)->so_snd.sb_lowat && \
-       (((so)->so_state&SS_ISCONNECTED) || \
-         ((so)->so_proto->pr_flags&PR_CONNREQUIRED)==0)) || \
-     ((so)->so_state & SS_CANTSENDMORE) || \
-     (so)->so_error)
-
-/* adjust counters in sb reflecting allocation of m */
-#define        sballoc(sb, m) { \
-       (sb)->sb_cc += (m)->m_len; \
-       (sb)->sb_mbcnt += MSIZE; \
-       if ((m)->m_flags & M_EXT) \
-               (sb)->sb_mbcnt += (m)->m_ext.ext_size; \
-}
-
-/* adjust counters in sb reflecting freeing of m */
-#define        sbfree(sb, m) { \
-       (sb)->sb_cc -= (m)->m_len; \
-       (sb)->sb_mbcnt -= MSIZE; \
-       if ((m)->m_flags & M_EXT) \
-               (sb)->sb_mbcnt -= (m)->m_ext.ext_size; \
-}
+#define sbtoso(sb) (sb->sb_so)

 
 /*
 
 /*

- * Set lock on sockbuf sb; sleep if lock is already held.
- * Unless SB_NOINTR is set on sockbuf, sleep is interruptible.
- * Returns error without lock if sleep is interrupted.
+ * Functions for sockets and socket buffering.
+ * These are macros on FreeBSD. On Darwin the
+ * implementation is in bsd/kern/uipc_socket2.c

  */
  */

-#define sblock(sb, wf) ((sb)->sb_flags & SB_LOCK ? \
-               (((wf) == M_WAIT) ? sb_lock(sb) : EWOULDBLOCK) : \
-               ((sb)->sb_flags |= SB_LOCK), 0)
-
-/* release lock on sockbuf sb */
-#define        sbunlock(sb) { \
-       (sb)->sb_flags &= ~SB_LOCK; \
-       if ((sb)->sb_flags & SB_WANT) { \
-               (sb)->sb_flags &= ~SB_WANT; \
-               wakeup((caddr_t)&(sb)->sb_flags); \
-       } \
-}
-
-#define        sorwakeup(so)   do { \
-                         if (sb_notify(&(so)->so_rcv)) \
-                           sowakeup((so), &(so)->so_rcv); \
-                       } while (0)
-
-#define        sowwakeup(so)   do { \
-                         if (sb_notify(&(so)->so_snd)) \
-                           sowakeup((so), &(so)->so_snd); \
-                       } while (0)

 
 

+__BEGIN_DECLS
+int            sb_notify(struct sockbuf *sb);
+long           sbspace(struct sockbuf *sb);
+int            sosendallatonce(struct socket *so);
+int            soreadable(struct socket *so);
+int            sowriteable(struct socket *so);
+void           sballoc(struct sockbuf *sb, struct mbuf *m);
+void           sbfree(struct sockbuf *sb, struct mbuf *m);
+int            sblock(struct sockbuf *sb, int wf);
+void           sbunlock(struct sockbuf *sb, int locked);
+void           sorwakeup(struct socket * so);
+void           sowwakeup(struct socket * so);
+__END_DECLS

 
 /*
  * Socket extension mechanism: control block hooks:
 
 /*
  * Socket extension mechanism: control block hooks:


@@ -320,6 +323,9 @@ struct kextcb
 #define sotokextcb(so) (so ? so->so_ext : 0)
 
 #ifdef KERNEL
 #define sotokextcb(so) (so ? so->so_ext : 0)
 
 #ifdef KERNEL

+
+#define SO_FILT_HINT_LOCKED 0x1
+

 /*
  * Argument structure for sosetopt et seq.  This is in the KERNEL
  * section because it will never be visible to user code.
 /*
  * Argument structure for sosetopt et seq.  This is in the KERNEL
  * section because it will never be visible to user code.


@@ -329,20 +335,18 @@ struct sockopt {
        enum    sopt_dir sopt_dir; /* is this a get or a set? */
        int     sopt_level;     /* second arg of [gs]etsockopt */
        int     sopt_name;      /* third arg of [gs]etsockopt */
        enum    sopt_dir sopt_dir; /* is this a get or a set? */
        int     sopt_level;     /* second arg of [gs]etsockopt */
        int     sopt_name;      /* third arg of [gs]etsockopt */

-       void   *sopt_val;       /* fourth arg of [gs]etsockopt */
+       user_addr_t sopt_val;   /* fourth arg of [gs]etsockopt */

        size_t  sopt_valsize;   /* (almost) fifth arg of [gs]etsockopt */
        struct  proc *sopt_p;   /* calling process or null if kernel */
 };
 
 #if SENDFILE
        size_t  sopt_valsize;   /* (almost) fifth arg of [gs]etsockopt */
        struct  proc *sopt_p;   /* calling process or null if kernel */
 };
 
 #if SENDFILE

-

 struct sf_buf {
        SLIST_ENTRY(sf_buf) free_list;  /* list of free buffer slots */
        int             refcnt;         /* reference count */
        struct          vm_page *m;     /* currently mapped page */
        vm_offset_t     kva;            /* va of mapping */
 };
 struct sf_buf {
        SLIST_ENTRY(sf_buf) free_list;  /* list of free buffer slots */
        int             refcnt;         /* reference count */
        struct          vm_page *m;     /* currently mapped page */
        vm_offset_t     kva;            /* va of mapping */
 };

-

 #endif
 
 #ifdef MALLOC_DECLARE
 #endif
 
 #ifdef MALLOC_DECLARE


@@ -362,89 +366,102 @@ struct sockaddr;
 struct stat;
 struct ucred;
 struct uio;
 struct stat;
 struct ucred;
 struct uio;

-
-/*
- * File operations on sockets.
- */
-int    soo_read __P((struct file *fp, struct uio *uio, struct ucred *cred));
-int    soo_write __P((struct file *fp, struct uio *uio, struct ucred *cred));
-int    soo_ioctl __P((struct file *fp, u_long cmd, caddr_t data,
-           struct proc *p));
-int    soo_select __P((struct file *fp, int which, struct proc *p));
-int    soo_stat __P((struct socket *so, struct stat *ub));
-
-int    soo_close __P((struct file *fp, struct proc *p));
-
+struct knote;

 
 /*
  * From uipc_socket and friends
  */
 
 /*
  * From uipc_socket and friends
  */

-struct sockaddr *dup_sockaddr __P((struct sockaddr *sa, int canwait));
-int    getsock __P((struct filedesc *fdp, int fd, struct file **fpp));
-int    sockargs __P((struct mbuf **mp, caddr_t buf, int buflen, int type));
-int    getsockaddr __P((struct sockaddr **namp, caddr_t uaddr, size_t len));
-void   sbappend __P((struct sockbuf *sb, struct mbuf *m));
-int    sbappendaddr __P((struct sockbuf *sb, struct sockaddr *asa,
-           struct mbuf *m0, struct mbuf *control));
-int    sbappendcontrol __P((struct sockbuf *sb, struct mbuf *m0,
-           struct mbuf *control));
-void   sbappendrecord __P((struct sockbuf *sb, struct mbuf *m0));
-void   sbcheck __P((struct sockbuf *sb));
-void   sbcompress __P((struct sockbuf *sb, struct mbuf *m, struct mbuf *n));
+__BEGIN_DECLS
+struct sockaddr *dup_sockaddr(struct sockaddr *sa, int canwait);
+int    getsock(struct filedesc *fdp, int fd, struct file **fpp);
+int    sockargs(struct mbuf **mp, user_addr_t data, int buflen, int type);
+int    getsockaddr(struct sockaddr **namp, user_addr_t uaddr, size_t len);
+int    sbappend(struct sockbuf *sb, struct mbuf *m);
+int    sbappendaddr(struct sockbuf *sb, struct sockaddr *asa,
+           struct mbuf *m0, struct mbuf *control, int *error_out);
+int    sbappendcontrol(struct sockbuf *sb, struct mbuf *m0,
+           struct mbuf *control, int *error_out);
+int    sbappendrecord(struct sockbuf *sb, struct mbuf *m0);
+void   sbcheck(struct sockbuf *sb);

 struct mbuf *
 struct mbuf *

-       sbcreatecontrol __P((caddr_t p, int size, int type, int level));
-void   sbdrop __P((struct sockbuf *sb, int len));
-void   sbdroprecord __P((struct sockbuf *sb));
-void   sbflush __P((struct sockbuf *sb));
-void   sbinsertoob __P((struct sockbuf *sb, struct mbuf *m0));
-void   sbrelease __P((struct sockbuf *sb));
-int    sbreserve __P((struct sockbuf *sb, u_long cc));
-void   sbtoxsockbuf __P((struct sockbuf *sb, struct xsockbuf *xsb));
-int    sbwait __P((struct sockbuf *sb));
-int    sb_lock __P((struct sockbuf *sb));
-int    soabort __P((struct socket *so));
-int    soaccept __P((struct socket *so, struct sockaddr **nam));
-struct socket *soalloc __P((int waitok, int dom, int type));
-int    sobind __P((struct socket *so, struct sockaddr *nam));
-void   socantrcvmore __P((struct socket *so));
-void   socantsendmore __P((struct socket *so));
-int    soclose __P((struct socket *so));
-int    soconnect __P((struct socket *so, struct sockaddr *nam));
-int    soconnect2 __P((struct socket *so1, struct socket *so2));
-int    socreate __P((int dom, struct socket **aso, int type, int proto));
-void   sodealloc __P((struct socket *so));
-int    sodisconnect __P((struct socket *so));
-void   sofree __P((struct socket *so));
-int    sogetopt __P((struct socket *so, struct sockopt *sopt));
-void   sohasoutofband __P((struct socket *so));
-void   soisconnected __P((struct socket *so));
-void   soisconnecting __P((struct socket *so));
-void   soisdisconnected __P((struct socket *so));
-void   soisdisconnecting __P((struct socket *so));
-int    solisten __P((struct socket *so, int backlog));
+       sbcreatecontrol(caddr_t p, int size, int type, int level);
+void   sbdrop(struct sockbuf *sb, int len);
+void   sbdroprecord(struct sockbuf *sb);
+void   sbflush(struct sockbuf *sb);
+int            sbinsertoob(struct sockbuf *sb, struct mbuf *m0);
+void   sbrelease(struct sockbuf *sb);
+int    sbreserve(struct sockbuf *sb, u_long cc);
+void   sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
+int    sbwait(struct sockbuf *sb);
+int    sb_lock(struct sockbuf *sb);
+int    soabort(struct socket *so);
+int    soaccept(struct socket *so, struct sockaddr **nam);
+int    soacceptlock (struct socket *so, struct sockaddr **nam, int dolock);
+struct socket *soalloc(int waitok, int dom, int type);
+int    sobind(struct socket *so, struct sockaddr *nam);
+void   socantrcvmore(struct socket *so);
+void   socantsendmore(struct socket *so);
+int    soclose(struct socket *so);
+int    soconnect(struct socket *so, struct sockaddr *nam);
+int    soconnectlock (struct socket *so, struct sockaddr *nam, int dolock);
+int    soconnect2(struct socket *so1, struct socket *so2);
+int    socreate(int dom, struct socket **aso, int type, int proto);
+void   sodealloc(struct socket *so);
+int    sodisconnect(struct socket *so);
+void   sofree(struct socket *so);
+int    sogetopt(struct socket *so, struct sockopt *sopt);
+void   sohasoutofband(struct socket *so);
+void   soisconnected(struct socket *so);
+void   soisconnecting(struct socket *so);
+void   soisdisconnected(struct socket *so);
+void   soisdisconnecting(struct socket *so);
+int    solisten(struct socket *so, int backlog);

 struct socket *
 struct socket *

-       sodropablereq __P((struct socket *head));
+       sodropablereq(struct socket *head);

 struct socket *
 struct socket *

-       sonewconn __P((struct socket *head, int connstatus));
-int    sooptcopyin __P((struct sockopt *sopt, void *buf, size_t len,
-                        size_t minlen));
-int    sooptcopyout __P((struct sockopt *sopt, void *buf, size_t len));
-int    sopoll __P((struct socket *so, int events, struct ucred *cred));
-int    soreceive __P((struct socket *so, struct sockaddr **paddr,
-                      struct uio *uio, struct mbuf **mp0,
-                      struct mbuf **controlp, int *flagsp));
-int    soreserve __P((struct socket *so, u_long sndcc, u_long rcvcc));
-void   sorflush __P((struct socket *so));
-int    sosend __P((struct socket *so, struct sockaddr *addr, struct uio *uio,
-                   struct mbuf *top, struct mbuf *control, int flags));
-
-int    sosetopt __P((struct socket *so, struct sockopt *sopt));
-
+       sonewconn(struct socket *head, int connstatus, const struct sockaddr* from);
+int    sooptcopyin(struct sockopt *sopt, void *data, size_t len, size_t minlen);
+int    sooptcopyout(struct sockopt *sopt, void *data, size_t len);
+int    socket_lock(struct socket *so, int refcount);
+int    socket_unlock(struct socket *so, int refcount);

 
 

-int    soshutdown __P((struct socket *so, int how));
-void   sotoxsocket __P((struct socket *so, struct xsocket *xso));
-void   sowakeup __P((struct socket *so, struct sockbuf *sb));
+/*
+ * XXX; prepare mbuf for (__FreeBSD__ < 3) routines.
+ * Used primarily in IPSec and IPv6 code.
+ */
+int    soopt_getm(struct sockopt *sopt, struct mbuf **mp);
+int    soopt_mcopyin(struct sockopt *sopt, struct mbuf *m);
+int    soopt_mcopyout(struct sockopt *sopt, struct mbuf *m);

 
 

+int    sopoll(struct socket *so, int events, struct ucred *cred, void *wql);
+int    soreceive(struct socket *so, struct sockaddr **paddr,
+                      struct uio *uio, struct mbuf **mp0,
+                      struct mbuf **controlp, int *flagsp);
+int    soreserve(struct socket *so, u_long sndcc, u_long rcvcc);
+void   sorflush(struct socket *so);
+int    sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
+                   struct mbuf *top, struct mbuf *control, int flags);
+
+int    sosetopt(struct socket *so, struct sockopt *sopt);
+int    soshutdown(struct socket *so, int how);
+void   sotoxsocket(struct socket *so, struct xsocket *xso);
+void   sowakeup(struct socket *so, struct sockbuf *sb);
+int    soioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p);
+
+#ifndef __APPLE__
+/* accept filter functions */
+int    accept_filt_add(struct accept_filter *filt);
+int    accept_filt_del(char *name);
+struct accept_filter * accept_filt_get(char *name);
+#ifdef ACCEPT_FILTER_MOD
+int accept_filt_generic_mod_event(module_t mod, int event, void *data);
+SYSCTL_DECL(_net_inet_accf);
+#endif /* ACCEPT_FILTER_MOD */
+#endif /* !defined(__APPLE__) */
+
+__END_DECLS

 
 #endif /* KERNEL */
 
 #endif /* KERNEL */

+#endif /* KERNEL_PRIVATE */
+

 #endif /* !_SYS_SOCKETVAR_H_ */
 #endif /* !_SYS_SOCKETVAR_H_ */