1/*
2 * ng_sample.h
3 */
4
5/*-
6 * Copyright (c) 1996-1999 Whistle Communications, Inc.
7 * All rights reserved.
8 *
9 * Subject to the following obligations and disclaimer of warranty, use and
10 * redistribution of this software, in source or object code forms, with or
11 * without modifications are expressly permitted by Whistle Communications;
12 * provided, however, that:
13 * 1. Any and all reproductions of the source or object code must include the
14 * copyright notice above and the following disclaimer of warranties; and
15 * 2. No rights are granted, in any manner or form, to use Whistle
16 * Communications, Inc. trademarks, including the mark "WHISTLE
17 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as
18 * such appears in the above copyright notice or in the software.
19 *
20 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
21 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
22 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
23 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
25 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
26 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
27 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
28 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
29 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
30 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
31 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
32 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
35 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
36 * OF SUCH DAMAGE.
37 *
38 * Author: Julian Elischer <julian@freebsd.org>
39 * $Whistle: ng_sample.h,v 1.3 1999/01/20 00:22:14 archie Exp $
40 */
41
42#ifndef _NETGRAPH_NG_SAMPLE_H_
43#define _NETGRAPH_NG_SAMPLE_H_
44
45/* Node type name. This should be unique among all netgraph node types */
46#define NG_XXX_NODE_TYPE "sample"
47
48/* Node type cookie. Should also be unique. This value MUST change whenever
49 an incompatible change is made to this header file, to insure consistency.
50 The de facto method for generating cookies is to take the output of the
51 date command: date -u +'%s' */
52#define NGM_XXX_COOKIE 915491374
53
54/* Number of active DLCI's we can handle */
55#define XXX_NUM_DLCIS 16
56
57/* Hook names */
58#define NG_XXX_HOOK_DLCI_LEADIN "dlci"
59#define NG_XXX_HOOK_DOWNSTREAM "downstream"
60#define NG_XXX_HOOK_DEBUG "debug"
61
62/* Netgraph commands understood by this node type */
63enum {
64 NGM_XXX_SET_FLAG = 1,
65 NGM_XXX_GET_STATUS,
66};
67
68/* This structure is returned by the NGM_XXX_GET_STATUS command */
69struct ngxxxstat {
70 u_int32_t packets_in; /* packets in from downstream */
71 u_int32_t packets_out; /* packets out towards downstream */
72};
73
74/*
75 * This is used to define the 'parse type' for a struct ngxxxstat, which
76 * is basically a description of how to convert a binary struct ngxxxstat
77 * to an ASCII string and back. See ng_parse.h for more info.
78 *
79 * This needs to be kept in sync with the above structure definition
80 */
81#define NG_XXX_STATS_TYPE_INFO { \
82 { "packets_in", &ng_parse_uint32_type }, \
83 { "packets_out", &ng_parse_uint32_type }, \
84 { NULL } \
85}
86
87#endif /* _NETGRAPH_NG_SAMPLE_H_ */