xnu-3789.70.16.tar.gz

[apple/xnu.git] / bsd / net / ndrv_var.h

diff --git a/bsd/net/ndrv_var.h b/bsd/net/ndrv_var.h
index 36aa93336a1be8c757a72c49d6fd204b48f1553b..c2c2085954c6dc7d19a2b7d2f20bb7b2b7ffba82 100644 (file)
--- a/bsd/net/ndrv_var.h
+++ b/bsd/net/ndrv_var.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000 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,
- * 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) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
 /*
@@ -27,6 +33,19 @@
 
 #ifndef _NET_NDRV_VAR_H
 #define _NET_NDRV_VAR_H
+#ifdef PRIVATE
+
+/*
+ * structure for storing a linked list of multicast addresses
+ * registered by this socket. May be variable in length.
+ */
+
+struct ndrv_multiaddr
+{
+    struct ndrv_multiaddr*     next;
+    ifmultiaddr_t                      ifma;
+    struct sockaddr                    addr;
+};
 
 /*
  * The cb is plugged into the socket (so_pcb), and the ifnet structure
@@ -35,20 +54,20 @@
  */
 struct ndrv_cb
 {
-    struct ndrv_cb *nd_next;   /* Doubly-linked list */
-       struct ndrv_cb *nd_prev;
+       TAILQ_ENTRY(ndrv_cb)    nd_next;
        struct socket *nd_socket;       /* Back to the socket */
-       unsigned int nd_signature;      /* Just double-checking */
+       u_int32_t nd_signature; /* Just double-checking */
        struct sockaddr_ndrv *nd_faddr;
        struct sockaddr_ndrv *nd_laddr;
        struct sockproto nd_proto;      /* proto family, protocol */
        int nd_descrcnt;                /* # elements in nd_dlist - Obsolete */
        TAILQ_HEAD(dlist, dlil_demux_desc) nd_dlist; /* Descr. list */
-       struct ifnet *nd_if;
-    u_long     nd_send_tag;
-    u_long     nd_tag;
-    u_long     nd_family;
-    short      nd_unit;
+       u_int32_t nd_dlist_cnt; /* Descr. list count */
+       struct ifnet *nd_if; /* obsolete, maintained for binary compatibility */
+       u_int32_t nd_proto_family;
+       u_int32_t nd_family;
+       struct ndrv_multiaddr* nd_multiaddrs;
+       short nd_unit;
 };
 
 #define        sotondrvcb(so)          ((struct ndrv_cb *)(so)->so_pcb)
@@ -58,7 +77,5 @@ struct ndrv_cb
 #define NDRVSNDQ        8192
 #define NDRVRCVQ        8192
 
-#if KERNEL
-extern struct ndrv_cb ndrvl;           /* Head of controlblock list */
-#endif
+#endif /* PRIVATE */
 #endif /* _NET_NDRV_VAR_H */