xnu-201.14.tar.gz

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

diff --git a/bsd/net/ndrv_var.h b/bsd/net/ndrv_var.h
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+/*
+ * Copyright (c) 2000 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.
+ * 
+ * This 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.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/* Copyright (c) 1997, 1998 Apple Computer, Inc. All Rights Reserved */
+/*
+ *     @(#)ndrv.h      1.1 (MacOSX) 6/10/43
+ * Justin Walker - 970604
+ */
+
+#ifndef _NET_NDRV_VAR_H
+#define _NET_NDRV_VAR_H
+
+/*
+ * The cb is plugged into the socket (so_pcb), and the ifnet structure
+ *  of BIND is plugged in here.
+ * For now, it looks like a raw_cb up front...
+ */
+struct ndrv_cb
+{
+    struct ndrv_cb *nd_next;   /* Doubly-linked list */
+       struct ndrv_cb *nd_prev;
+       struct socket *nd_socket;       /* Back to the socket */
+       unsigned int 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;
+};
+
+#define        sotondrvcb(so)          ((struct ndrv_cb *)(so)->so_pcb)
+#define NDRV_SIGNATURE 0x4e445256 /* "NDRV" */
+
+/* Nominal allocated space for NDRV sockets */
+#define NDRVSNDQ        8192
+#define NDRVRCVQ        8192
+
+#if KERNEL
+extern struct ndrv_cb ndrvl;           /* Head of controlblock list */
+#endif
+#endif /* _NET_NDRV_VAR_H */