xnu-1456.1.26.tar.gz

[apple/xnu.git] / bsd / netat / at_proto.c

diff --git a/bsd/netat/at_proto.c b/bsd/netat/at_proto.c
index 016a603e2ae14b14a79ce90b06070e0c24e2ec05..e6acc466079cfb550ea24c6fd573ca97f0b7bd4b 100644 (file)
--- a/bsd/netat/at_proto.c
+++ b/bsd/netat/at_proto.c
@@ -1,16 +1,19 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * 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
  * 
  * 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.
+ * 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.
+ * 
+ * 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
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER


@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
  * 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 Apple Computer, Inc. 
  */
 /*
  *     Copyright (c) 1998 Apple Computer, Inc. 


@@ -39,41 +42,18 @@
 #include <sys/protosw.h>
 #include <sys/domain.h>
 #include <sys/mbuf.h>
 #include <sys/protosw.h>
 #include <sys/domain.h>
 #include <sys/mbuf.h>

+#include <kern/locks.h>

 
 #include <sys/sysctl.h>
 
 #include <net/if.h>
 
 
 #include <sys/sysctl.h>
 
 #include <net/if.h>
 

+#include <netat/sysglue.h>

 #include <netat/appletalk.h>
 #include <netat/appletalk.h>

+#include <netat/at_pcb.h>

 #include <netat/at_var.h>
 #include <netat/ddp.h>
 
 #include <netat/at_var.h>
 #include <netat/ddp.h>
 

-struct domain atalkdomain;
-
-extern int     ddp_pru_abort(struct socket *so);
-
-extern int     ddp_pru_attach(struct socket *so, int proto,
-                              struct proc *p);
-extern int     ddp_pru_bind(struct socket *so, struct sockaddr *nam,
-                            struct proc *p);
-extern int     ddp_pru_connect(struct socket *so, struct sockaddr *nam,
-                               struct proc *p);
-
-extern int     ddp_pru_control(struct socket *so, u_long cmd, caddr_t data,
-                               struct ifnet *ifp, struct proc *p);
-extern int     ddp_pru_detach(struct socket *so);
-extern int     ddp_pru_disconnect(struct socket *so);
-
-extern int     ddp_pru_peeraddr(struct socket *so, 
-                                struct sockaddr **nam);
-
-extern int     ddp_pru_send(struct socket *so, int flags, struct mbuf *m, 
-                                struct sockaddr *addr, struct mbuf *control,
-                                struct proc *p);
-
-extern int     ddp_pru_shutdown(struct socket *so);
-extern int     ddp_pru_sockaddr(struct socket *so, 
-                                struct sockaddr **nam);

 
 /*
  * Dummy usrreqs struct created by Ted for FreeBSD 3.x integration. 
 
 /*
  * Dummy usrreqs struct created by Ted for FreeBSD 3.x integration. 


@@ -84,24 +64,87 @@ struct pr_usrreqs ddp_usrreqs = {
        ddp_pru_connect, pru_connect2_notsupp, ddp_pru_control, ddp_pru_detach,
        ddp_pru_disconnect, pru_listen_notsupp, ddp_pru_peeraddr, pru_rcvd_notsupp,
        pru_rcvoob_notsupp, ddp_pru_send, pru_sense_null, ddp_pru_shutdown,
        ddp_pru_connect, pru_connect2_notsupp, ddp_pru_control, ddp_pru_detach,
        ddp_pru_disconnect, pru_listen_notsupp, ddp_pru_peeraddr, pru_rcvd_notsupp,
        pru_rcvoob_notsupp, ddp_pru_send, pru_sense_null, ddp_pru_shutdown,

-       ddp_pru_sockaddr, sosend, soreceive, sopoll
+       ddp_pru_sockaddr, sosend, soreceive, pru_sopoll_notsupp

 };
 
 };
 

+extern struct domain atalkdomain;
+extern void atalk_dominit(void);
+

 struct protosw atalksw[] = {
   { SOCK_RAW,  &atalkdomain,   /*protocol*/ 0, PR_ATOMIC|PR_ADDR,
     /*input*/ 0, /*output*/ 0, /*clinput*/ 0, ddp_ctloutput,
     /*ousrreq*/ 0, 
     ddp_init, /*fastto*/ 0, /*slowto*/ 0, /*drain*/ 0, 
 struct protosw atalksw[] = {
   { SOCK_RAW,  &atalkdomain,   /*protocol*/ 0, PR_ATOMIC|PR_ADDR,
     /*input*/ 0, /*output*/ 0, /*clinput*/ 0, ddp_ctloutput,
     /*ousrreq*/ 0, 
     ddp_init, /*fastto*/ 0, /*slowto*/ 0, /*drain*/ 0, 

-    /*sysctl*/ 0, &ddp_usrreqs
+    /*sysctl*/ 0, &ddp_usrreqs,
+       0, 0, 0, /*lock, unlock, getlock */
+   {0, 0}, 0, {0} /* filters */

   }
 };
 
 struct domain atalkdomain =
   }
 };
 
 struct domain atalkdomain =

-{ AF_APPLETALK, "appletalk", 0, 0, 0, 
-  atalksw, 0,
-  0, 0, 0,
-  DDP_X_HDR_SIZE, 0
+{ AF_APPLETALK,
+  "appletalk",
+  atalk_dominit,
+  0,
+  0, 
+  atalksw,
+  0,
+  0, /* dom_rtattach */
+  0, 0, /* dom_rtoffset, dom_maxrtkey */
+  DDP_X_HDR_SIZE, 0,
+  0, /* domain global mutex */
+  0,  /* domain flags */
+  {0, 0} /*reserved[2] */

 };
 
 };
 

-SYSCTL_NODE(_net, PF_APPLETALK, appletalk, CTLFLAG_RW, 0, "AppleTalk Family");
+struct domain * atalkdom = &atalkdomain;
+lck_mtx_t  *atalk_mutex = NULL;
+
+lck_mtx_t *atalk_cluster_lock = NULL;
+static lck_attr_t *atalk_lock_attr;
+static lck_grp_t *atalk_lock_grp;
+static lck_grp_attr_t *atalk_lock_grp_attr;
+
+static int at_saved_lock, at_saved_unlock;
+
+SYSCTL_NODE(_net, PF_APPLETALK, appletalk, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "AppleTalk Family");
+
+void
+atalk_dominit(void)
+{
+       atalk_mutex = atalkdom->dom_mtx;
+
+       atalk_lock_grp_attr = lck_grp_attr_alloc_init();
+       atalk_lock_grp = lck_grp_alloc_init("appletalk", atalk_lock_grp_attr);
+       atalk_lock_attr = lck_attr_alloc_init();
+       atalk_cluster_lock = lck_mtx_alloc_init(atalk_lock_grp,
+           atalk_lock_attr);
+}
+
+void
+atalk_lock()
+{
+       int lr_saved;
+       lr_saved = (unsigned int) __builtin_return_address(0);
+
+       lck_mtx_assert(atalkdom->dom_mtx, LCK_MTX_ASSERT_NOTOWNED);
+       lck_mtx_lock(atalkdom->dom_mtx);
+       at_saved_lock = lr_saved;
+}
+       
+void
+atalk_unlock()
+{
+       int lr_saved;
+       lr_saved = (unsigned int) __builtin_return_address(0);
+
+       lck_mtx_assert(atalkdom->dom_mtx, LCK_MTX_ASSERT_OWNED);
+       at_saved_unlock = lr_saved;
+       lck_mtx_unlock(atalkdom->dom_mtx);
+
+}
+       
+
+
+