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+
+/*
+ * ng_sample.h
+ *
+ * Copyright (c) 1996-1999 Whistle Communications, Inc.
+ * All rights reserved.
+ * 
+ * Subject to the following obligations and disclaimer of warranty, use and
+ * redistribution of this software, in source or object code forms, with or
+ * without modifications are expressly permitted by Whistle Communications;
+ * provided, however, that:
+ * 1. Any and all reproductions of the source or object code must include the
+ *    copyright notice above and the following disclaimer of warranties; and
+ * 2. No rights are granted, in any manner or form, to use Whistle
+ *    Communications, Inc. trademarks, including the mark "WHISTLE
+ *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
+ *    such appears in the above copyright notice or in the software.
+ * 
+ * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
+ * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
+ * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
+ * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
+ * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
+ * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
+ * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
+ * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ * Author: Julian Elischer <julian@whistle.com>
+ *
+ * $FreeBSD$
+ * $Whistle: ng_sample.h,v 1.3 1999/01/20 00:22:14 archie Exp $
+ */
+
+#ifndef _NETGRAPH_SAMPLE_H_
+#define _NETGRAPH_SAMPLE_H_
+
+/* Node type name. This should be unique among all netgraph node types */
+#define NG_XXX_NODE_TYPE	"sample"
+
+/* Node type cookie. Should also be unique. This value MUST change whenever
+   an incompatible change is made to this header file, to insure consistency.
+   The de facto method for generating cookies is to take the output of the
+   date command: date -u +'%s' */
+#define NGM_XXX_COOKIE		915491374
+
+/* Number of active DLCI's we can handle */
+#define	XXX_NUM_DLCIS		16
+
+/* Hook names */
+#define NG_XXX_HOOK_DLCI_LEADIN	"dlci"
+#define NG_XXX_HOOK_DOWNSTREAM	"downstream"
+#define NG_XXX_HOOK_DEBUG	"debug"
+
+/* Netgraph commands understood by this node type */
+enum {
+	NGM_XXX_SET_FLAG = 1,
+	NGM_XXX_GET_STATUS,
+};
+
+/* This structure is returned by the NGM_XXX_GET_STATUS command */
+struct ngxxxstat {
+	u_int   packets_in;	/* packets in from downstream */
+	u_int   packets_out;	/* packets out towards downstream */
+};
+
+#endif /* _NETGRAPH_SAMPLE_H_ */