xnu-1504.7.4.tar.gz

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

diff --git a/bsd/sys/socketvar.h b/bsd/sys/socketvar.h
index 9f55d37a6d2adafb2ce7565dae292b260bcffb3b..8049848224f748357d9997acc67fbb94a306b047 100644 (file)
--- a/bsd/sys/socketvar.h
+++ b/bsd/sys/socketvar.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2009 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -120,7 +120,7 @@ struct socket {
        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_options;             /* from socket call, see socket.h */
        short   so_linger;              /* time to linger while closing */
        short   so_state;               /* internal state flags SS_*, below */

-       caddr_t so_pcb;                 /* protocol control block */
+       void    *so_pcb;                        /* protocol control block */

        struct  protosw *so_proto;      /* protocol handle */
        /*
         * Variables for connection queueing.
        struct  protosw *so_proto;      /* protocol handle */
        /*
         * Variables for connection queueing.


@@ -144,7 +144,7 @@ struct socket {
        short   so_timeo;               /* connection timeout */
        u_short so_error;               /* error affecting connection */
        pid_t   so_pgid;                /* pgid for signals */
        short   so_timeo;               /* connection timeout */
        u_short so_error;               /* error affecting connection */
        pid_t   so_pgid;                /* pgid for signals */

-       u_long  so_oobmark;             /* chars to oob mark */
+       u_int32_t       so_oobmark;             /* chars to oob mark */

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


@@ -153,12 +153,12 @@ struct socket {
         * Variables for socket buffering.
         */
        struct  sockbuf {
         * Variables for socket buffering.
         */
        struct  sockbuf {

-               u_long  sb_cc;          /* actual chars in buffer */
-               u_long  sb_hiwat;       /* max actual char count */
-               u_long  sb_mbcnt;       /* chars of mbufs used */
-               u_long  sb_mbmax;       /* max chars of mbufs to use */
-               u_long  sb_ctl;         /* non-data chars in buffer */
-               u_long  sb_lowat;       /* low water mark */
+               u_int32_t       sb_cc;          /* actual chars in buffer */
+               u_int32_t       sb_hiwat;       /* max actual char count */
+               u_int32_t       sb_mbcnt;       /* chars of mbufs used */
+               u_int32_t       sb_mbmax;       /* max chars of mbufs to use */
+               u_int32_t       sb_ctl;         /* non-data chars in buffer */
+               u_int32_t       sb_lowat;       /* low water mark */

                struct  mbuf *sb_mb;    /* the mbuf chain */
                struct  mbuf *sb_mbtail; /* the last mbuf in the chain */
                struct  mbuf *sb_lastrecord; /* first mbuf of last record */
                struct  mbuf *sb_mb;    /* the mbuf chain */
                struct  mbuf *sb_mbtail; /* the last mbuf in the chain */
                struct  mbuf *sb_lastrecord; /* first mbuf of last record */


@@ -172,6 +172,7 @@ struct socket {
                void    *reserved1[4];  /* for future use */
        } so_rcv, so_snd;
 #define        SB_MAX          (8192*1024)     /* default for max chars in sockbuf */
                void    *reserved1[4];  /* for future use */
        } so_rcv, so_snd;
 #define        SB_MAX          (8192*1024)     /* default for max chars in sockbuf */

+#define LOW_SB_MAX     (2*9*1024)      /* lower limit on max socket buffer size, 2 max datagrams */

 #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_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 */


@@ -209,13 +210,13 @@ struct socket {
        int     cached_in_sock_layer;   /* bundled with pcb/pcb.inp_ppcb? */
        struct  socket  *cache_next;
        struct  socket  *cache_prev;
        int     cached_in_sock_layer;   /* bundled with pcb/pcb.inp_ppcb? */
        struct  socket  *cache_next;
        struct  socket  *cache_prev;

-       u_long          cache_timestamp;
+       u_int32_t               cache_timestamp;

        caddr_t         so_saved_pcb;   /* Saved pcb when cacheing */
        struct  mbuf *so_temp;          /* Holding area for outbound frags */
        /* Plug-in support - make the socket interface overridable */
        struct  mbuf *so_tail;
        struct socket_filter_entry *so_filt;    /* NKE hook */
        caddr_t         so_saved_pcb;   /* Saved pcb when cacheing */
        struct  mbuf *so_temp;          /* Holding area for outbound frags */
        /* Plug-in support - make the socket interface overridable */
        struct  mbuf *so_tail;
        struct socket_filter_entry *so_filt;    /* NKE hook */

-       u_long  so_flags;       /* Flags */
+       u_int32_t       so_flags;       /* Flags */

 #define        SOF_NOSIGPIPE   0x1
 #define        SOF_NOADDRAVAIL 0x2     /* EADDRNOTAVAIL if src addr is gone */
 #define        SOF_PCBCLEARING 0x4     /* pru_disconnect done; don't call pru_detach */
 #define        SOF_NOSIGPIPE   0x1
 #define        SOF_NOADDRAVAIL 0x2     /* EADDRNOTAVAIL if src addr is gone */
 #define        SOF_PCBCLEARING 0x4     /* pru_disconnect done; don't call pru_detach */


@@ -230,6 +231,8 @@ struct socket {
 #define SOF_NOTIFYCONFLICT 0x400       /* notify that a bind was done on a port already in use */
 #endif
 #define        SOF_UPCALLCLOSEWAIT 0x800 /* block on close until an upcall returns  */
 #define SOF_NOTIFYCONFLICT 0x400       /* notify that a bind was done on a port already in use */
 #endif
 #define        SOF_UPCALLCLOSEWAIT 0x800 /* block on close until an upcall returns  */

+#define SOF_BINDRANDOMPORT 0x1000 /* Request a randomized port number for the bind */
+#define SOF_NPX_SETOPTSHUT 0x2000 /* Non POSIX extension to allow setsockopt(2) after shut down */

        int     so_usecount;    /* refcounting of socket use */;
        int     so_retaincnt;
        u_int32_t so_filteruse; /* usecount for the socket filters */
        int     so_usecount;    /* refcounting of socket use */;
        int     so_retaincnt;
        u_int32_t so_filteruse; /* usecount for the socket filters */


@@ -239,9 +242,9 @@ struct socket {
 
 /* for debug pruposes */
 #define        SO_LCKDBG_MAX 4 /* number of debug locking Link Registers recorded */
 
 /* for debug pruposes */
 #define        SO_LCKDBG_MAX 4 /* number of debug locking Link Registers recorded */

-       u_int32_t lock_lr[SO_LCKDBG_MAX];       /* locking calling history */
+       void    *lock_lr[SO_LCKDBG_MAX];        /* locking calling history */

        int     next_lock_lr;
        int     next_lock_lr;

-       u_int32_t unlock_lr[SO_LCKDBG_MAX];     /* unlocking caller history */
+       void    *unlock_lr[SO_LCKDBG_MAX];      /* unlocking caller history */

        int     next_unlock_lr;
        void *reserved; /* reserved for future use */
 #endif /* __APPLE__ */
        int     next_unlock_lr;
        void *reserved; /* reserved for future use */
 #endif /* __APPLE__ */


@@ -281,27 +284,7 @@ struct socket {
 
 #pragma pack(4)
 
 
 #pragma pack(4)
 

-/*
- * Externalized form of struct socket used by the sysctl(3) interface.
- */
-struct xsocket {
-       u_int32_t       xso_len;                /* length of this structure */
-       _XSOCKET_PTR(struct socket *) xso_so;   /* makes a convenient handle */
-       short           so_type;
-       short           so_options;
-       short           so_linger;
-       short           so_state;
-       _XSOCKET_PTR(caddr_t)   so_pcb;         /* another convenient handle */
-       int             xso_protocol;
-       int             xso_family;
-       short           so_qlen;
-       short           so_incqlen;
-       short           so_qlimit;
-       short           so_timeo;
-       u_short         so_error;
-       pid_t           so_pgid;
-       u_int32_t       so_oobmark;
-       struct  xsockbuf {
+struct xsockbuf {

                u_int32_t       sb_cc;
                u_int32_t       sb_hiwat;
                u_int32_t       sb_mbcnt;
                u_int32_t       sb_cc;
                u_int32_t       sb_hiwat;
                u_int32_t       sb_mbcnt;


@@ -309,10 +292,59 @@ struct    xsocket {
                int32_t         sb_lowat;
                short           sb_flags;
                short           sb_timeo;
                int32_t         sb_lowat;
                short           sb_flags;
                short           sb_timeo;

-       } so_rcv, so_snd;
-       uid_t           so_uid;         /* XXX */

 };
 
 };
 

+/*
+ * Externalized form of struct socket used by the sysctl(3) interface.
+ */
+struct xsocket {
+       u_int32_t               xso_len;                /* length of this structure */
+       _XSOCKET_PTR(struct socket *) xso_so;   /* makes a convenient handle */
+       short                   so_type;
+       short                   so_options;
+       short                   so_linger;
+       short                   so_state;
+       _XSOCKET_PTR(caddr_t)   so_pcb;         /* another convenient handle */
+       int                             xso_protocol;
+       int                             xso_family;
+       short                   so_qlen;
+       short                   so_incqlen;
+       short                   so_qlimit;
+       short                   so_timeo;
+       u_short                 so_error;
+       pid_t                   so_pgid;
+       u_int32_t               so_oobmark;
+       struct xsockbuf so_rcv;
+       struct xsockbuf so_snd;
+       uid_t                   so_uid;         /* XXX */
+};
+
+#if !CONFIG_EMBEDDED
+
+struct xsocket64 {
+       u_int32_t               xso_len;                /* length of this structure */
+       u_int64_t               xso_so; /* makes a convenient handle */
+       short                   so_type;
+       short                   so_options;
+       short                   so_linger;
+       short                   so_state;
+       u_int64_t               so_pcb;         /* another convenient handle */
+       int                     xso_protocol;
+       int                     xso_family;
+       short                   so_qlen;
+       short                   so_incqlen;
+       short                   so_qlimit;
+       short                   so_timeo;
+       u_short                 so_error;
+       pid_t                   so_pgid;
+       u_int32_t               so_oobmark;
+       struct xsockbuf         so_rcv;
+       struct xsockbuf         so_snd;
+       uid_t                   so_uid;         /* XXX */
+};
+
+#endif /* !CONFIG_EMBEDDED */
+

 #pragma pack()
 
 #ifdef KERNEL_PRIVATE
 #pragma pack()
 
 #ifdef KERNEL_PRIVATE


@@ -330,7 +362,7 @@ struct      xsocket {
 
 __BEGIN_DECLS
 int    sb_notify(struct sockbuf *sb);
 
 __BEGIN_DECLS
 int    sb_notify(struct sockbuf *sb);

-long   sbspace(struct sockbuf *sb);
+int    sbspace(struct sockbuf *sb);

 int    sosendallatonce(struct socket *so);
 int    soreadable(struct socket *so);
 int    sowriteable(struct socket *so);
 int    sosendallatonce(struct socket *so);
 int    soreadable(struct socket *so);
 int    sowriteable(struct socket *so);


@@ -393,7 +425,7 @@ MALLOC_DECLARE(M_SONAME);
 #endif
 
 extern int     maxsockets;
 #endif
 
 extern int     maxsockets;

-extern u_long  sb_max;
+extern u_int32_t       sb_max;

 extern int socket_zone;
 extern so_gen_t so_gencnt;
 extern int     socket_debug;
 extern int socket_zone;
 extern so_gen_t so_gencnt;
 extern int     socket_debug;


@@ -451,7 +483,7 @@ extern void sbdroprecord(struct sockbuf *sb);
 extern void sbflush(struct sockbuf *sb);
 extern int sbinsertoob(struct sockbuf *sb, struct mbuf *m0);
 extern void sbrelease(struct sockbuf *sb);
 extern void sbflush(struct sockbuf *sb);
 extern int sbinsertoob(struct sockbuf *sb, struct mbuf *m0);
 extern void sbrelease(struct sockbuf *sb);

-extern int sbreserve(struct sockbuf *sb, u_long cc);
+extern int sbreserve(struct sockbuf *sb, u_int32_t cc);

 extern void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
 extern int sbwait(struct sockbuf *sb);
 extern int sb_lock(struct sockbuf *sb);
 extern void sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb);
 extern int sbwait(struct sockbuf *sb);
 extern int sb_lock(struct sockbuf *sb);


@@ -483,6 +515,7 @@ extern void soisconnected(struct socket *so);
 extern void soisconnecting(struct socket *so);
 extern void soisdisconnected(struct socket *so);
 extern void soisdisconnecting(struct socket *so);
 extern void soisconnecting(struct socket *so);
 extern void soisdisconnected(struct socket *so);
 extern void soisdisconnecting(struct socket *so);

+extern int soisbackground(struct socket *so);

 extern int solisten(struct socket *so, int backlog);
 extern struct socket *sodropablereq(struct socket *head);
 extern struct socket *sonewconn(struct socket *head, int connstatus,
 extern int solisten(struct socket *so, int backlog);
 extern struct socket *sodropablereq(struct socket *head);
 extern struct socket *sonewconn(struct socket *head, int connstatus,


@@ -493,6 +526,8 @@ extern int sooptcopyout(struct sockopt *sopt, void *data, size_t len);
 extern int socket_lock(struct socket *so, int refcount);
 extern int socket_unlock(struct socket *so, int refcount);
 extern void sofreelastref(struct socket *, int);
 extern int socket_lock(struct socket *so, int refcount);
 extern int socket_unlock(struct socket *so, int refcount);
 extern void sofreelastref(struct socket *, int);

+extern int sogetaddr_locked(struct socket *, struct sockaddr **, int);
+extern const char *solockhistory_nr(struct socket *);

 
 /*
  * XXX; prepare mbuf for (__FreeBSD__ < 3) routines.
 
 /*
  * XXX; prepare mbuf for (__FreeBSD__ < 3) routines.


@@ -505,7 +540,7 @@ extern int soopt_mcopyout(struct sockopt *sopt, struct mbuf *m);
 extern int sopoll(struct socket *so, int events, struct ucred *cred, void *wql);
 extern int soreceive(struct socket *so, struct sockaddr **paddr,
     struct uio *uio, struct mbuf **mp0, struct mbuf **controlp, int *flagsp);
 extern int sopoll(struct socket *so, int events, struct ucred *cred, void *wql);
 extern int soreceive(struct socket *so, struct sockaddr **paddr,
     struct uio *uio, struct mbuf **mp0, struct mbuf **controlp, int *flagsp);

-extern int soreserve(struct socket *so, u_long sndcc, u_long rcvcc);
+extern int soreserve(struct socket *so, u_int32_t sndcc, u_int32_t rcvcc);

 extern void sorflush(struct socket *so);
 extern int sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
     struct mbuf *top, struct mbuf *control, int flags);
 extern void sorflush(struct socket *so);
 extern int sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
     struct mbuf *top, struct mbuf *control, int flags);


@@ -514,6 +549,9 @@ extern int sosetopt(struct socket *so, struct sockopt *sopt);
 extern int soshutdown(struct socket *so, int how);
 extern int soshutdownlock(struct socket *so, int how);
 extern void sotoxsocket(struct socket *so, struct xsocket *xso);
 extern int soshutdown(struct socket *so, int how);
 extern int soshutdownlock(struct socket *so, int how);
 extern void sotoxsocket(struct socket *so, struct xsocket *xso);

+#if !CONFIG_EMBEDDED
+extern void sotoxsocket64(struct socket *so, struct xsocket64 *xso);
+#endif

 extern void sowakeup(struct socket *so, struct sockbuf *sb);
 extern int soioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p);
 
 extern void sowakeup(struct socket *so, struct sockbuf *sb);
 extern int soioctl(struct socket *so, u_long cmd, caddr_t data, struct proc *p);