/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_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.
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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. 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,
- * 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@
*/
* 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_
+#include <sys/appleapiopts.h>
+#include <sys/queue.h> /* for TAILQ macros */
#include <sys/select.h> /* for struct selinfo */
-#include <sys/queue.h>
#include <net/kext_net.h>
#include <sys/ev.h>
/*
* Hacks to get around compiler complaints
*/
struct mbuf;
-struct socket;
-struct uio;
-struct sockbuf;
-struct sockaddr;
struct kextcb;
struct protosw;
struct sockif;
struct sockutil;
/* strings for sleep message: */
+#ifdef __APPLE_API_UNSTABLE
extern char netio[], netcon[], netcls[];
#define SOCKET_CACHE_ON
#define SO_CACHE_FLUSH_INTERVAL 1 /* Seconds */
*/
typedef u_quad_t so_gen_t;
+#ifndef __APPLE__
+/* We don't support BSD style socket filters */
+struct accept_filter;
+#endif
+
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_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 */
/*
- * 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.
- * 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
- * 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.
*/
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.
*/
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 */
short 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 */
#define SB_SEL 0x08 /* someone is selecting */
-#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */
+#define SB_ASYNC 0x10 /* ASYNC I/O, need signals */
+#define SB_UPCALL 0x20 /* someone wants an upcall */
+#define SB_NOINTR 0x40 /* operations not interruptible */
+#ifndef __APPLE__
+#define SB_AIO 0x80 /* AIO operations queued */
+#define SB_KNOTE 0x100 /* kernel note attached */
+#else
#define SB_NOTIFY (SB_WAIT|SB_SEL|SB_ASYNC)
-#define SB_UPCALL 0x20 /* someone wants an upcall */
-#define SB_NOINTR 0x40 /* operations not interruptible */
#define SB_RECV 0x8000 /* this is rcv sb */
- caddr_t so_tpcb; /* Wisc. protocol control block XXX */
+ caddr_t so_tpcb; /* Wisc. protocol control block - XXX unused? */
+#endif
+
void (*so_upcall) __P((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 */
+#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;
/* Plug-in support - make the socket interface overridable */
struct mbuf *so_tail;
struct kextcb *so_ext; /* NKE hook */
+ u_long so_flags; /* Flags */
+#define SOF_NOSIGPIPE 0x00000001
+ void *reserved2;
+ void *reserved3;
+ void *reserved4;
+#endif
};
+#endif /* __APPLE_API_UNSTABLE */
/*
* Socket state bits.
#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 */
/*
* Externalized form of struct socket used by the sysctl(3) interface.
/*
* Macros for sockets and socket buffering.
*/
+#ifdef __APPLE__
+#ifdef __APPLE_API_UNSTABLE
#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_SEL|SB_ASYNC|SB_UPCALL)) != 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; \
-}
-
-/*
- * 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)
-
+int sb_notify __P((struct sockbuf *sb));
+long sbspace __P((struct sockbuf *sb));
+int sosendallatonce __P((struct socket *so));
+int soreadable __P((struct socket *so));
+int sowriteable __P((struct socket *so));
+void sballoc __P((struct sockbuf *sb, struct mbuf *m));
+void sbfree __P((struct sockbuf *sb, struct mbuf *m));
+int sblock __P((struct sockbuf *sb, int wf));
+void sbunlock __P((struct sockbuf *sb));
+void sorwakeup __P((struct socket * so));
+void sowwakeup __P((struct socket * so));
/*
* Socket extension mechanism: control block hooks:
};
#define EXT_NULL 0x0 /* STATE: Not in use */
#define sotokextcb(so) (so ? so->so_ext : 0)
+#endif /* __APPLE___ */
#ifdef KERNEL
+
/*
* Argument structure for sosetopt et seq. This is in the KERNEL
* section because it will never be visible to user code.
};
#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 */
};
-
#endif
#ifdef MALLOC_DECLARE
struct stat;
struct ucred;
struct uio;
+#ifndef __APPLE
+struct knote;
+#endif
/*
* 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_read __P((struct file *fp, struct uio *uio, struct ucred *cred,
+ int flags, struct proc *p));
+int soo_write __P((struct file *fp, struct uio *uio, struct ucred *cred,
+ int flags, struct proc *p));
+int soo_close __P((struct file *fp, struct proc *p));
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));
-
+int soo_select __P((struct file *fp, int which, void * wql, struct proc *p));
/*
* From uipc_socket and friends
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));
+
+/*
+ * XXX; prepare mbuf for (__FreeBSD__ < 3) routines.
+ * Used primarily in IPSec and IPv6 code.
+ */
+int soopt_getm __P((struct sockopt *sopt, struct mbuf **mp));
+int soopt_mcopyin __P((struct sockopt *sopt, struct mbuf *m));
+int soopt_mcopyout __P((struct sockopt *sopt, struct mbuf *m));
+
+int sopoll __P((struct socket *so, int events, struct ucred *cred, void *wql));
int soreceive __P((struct socket *so, struct sockaddr **paddr,
struct uio *uio, struct mbuf **mp0,
struct mbuf **controlp, int *flagsp));
struct mbuf *top, struct mbuf *control, int flags));
int sosetopt __P((struct socket *so, struct sockopt *sopt));
-
-
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));
+#ifndef __APPLE__
+/* accept filter functions */
+int accept_filt_add __P((struct accept_filter *filt));
+int accept_filt_del __P((char *name));
+struct accept_filter * accept_filt_get __P((char *name));
+#ifdef ACCEPT_FILTER_MOD
+int accept_filt_generic_mod_event __P((module_t mod, int event, void *data));
+SYSCTL_DECL(_net_inet_accf);
+#endif /* ACCEPT_FILTER_MOD */
+#endif /* !defined(__APPLE__) */
#endif /* KERNEL */
+#endif /* __APPLE_API_UNSTABLE */
+
#endif /* !_SYS_SOCKETVAR_H_ */
projects / apple / xnu.git / blobdiff