ng_tee.h revision 56658 
1
2/*
3 * ng_tee.h
4 *
5 * Copyright (c) 1996-1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and
9 * redistribution of this software, in source or object code forms, with or
10 * without modifications are expressly permitted by Whistle Communications;
11 * provided, however, that:
12 * 1. Any and all reproductions of the source or object code must include the
13 *    copyright notice above and the following disclaimer of warranties; and
14 * 2. No rights are granted, in any manner or form, to use Whistle
15 *    Communications, Inc. trademarks, including the mark "WHISTLE
16 *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
17 *    such appears in the above copyright notice or in the software.
18 *
19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * Author: Archie Cobbs <archie@whistle.com>
38 *
39 * $FreeBSD: head/sys/netgraph/ng_tee.h 56658 2000-01-27 01:32:53Z archie $
40 * $Whistle: ng_tee.h,v 1.2 1999/01/20 00:22:14 archie Exp $
41 */
42
43#ifndef _NETGRAPH_TEE_H_
44#define _NETGRAPH_TEE_H_
45
46/* Node type name and magic cookie */
47#define NG_TEE_NODE_TYPE	"tee"
48#define NGM_TEE_COOKIE		916107047
49
50/* Hook names */
51#define NG_TEE_HOOK_RIGHT	"right"
52#define NG_TEE_HOOK_LEFT	"left"
53#define NG_TEE_HOOK_RIGHT2LEFT	"right2left"
54#define NG_TEE_HOOK_LEFT2RIGHT	"left2right"
55
56/* Statistics structure for one hook */
57struct ng_tee_hookstat {
58	u_int64_t	inOctets;
59	u_int64_t	inFrames;
60	u_int64_t	outOctets;
61	u_int64_t	outFrames;
62};
63
64/* Keep this in sync with the above structure definition */
65#define NG_TEE_HOOKSTAT_INFO	{				\
66	{							\
67	  { "inOctets",		&ng_parse_int64_type	},	\
68	  { "inFrames",		&ng_parse_int64_type	},	\
69	  { "outOctets",	&ng_parse_int64_type	},	\
70	  { "outFrames",	&ng_parse_int64_type	},	\
71	  { NULL },						\
72	}							\
73}
74
75/* Statistics structure returned by NGM_TEE_GET_STATS */
76struct ng_tee_stats {
77	struct ng_tee_hookstat	right;
78	struct ng_tee_hookstat	left;
79	struct ng_tee_hookstat	right2left;
80	struct ng_tee_hookstat	left2right;
81};
82
83/* Keep this in sync with the above structure definition */
84#define NG_TEE_STATS_INFO(hstype)	{			\
85	{							\
86	  { "right",		(hstype)		},	\
87	  { "left",		(hstype)		},	\
88	  { "right2left",	(hstype)		},	\
89	  { "left2right",	(hstype)		},	\
90	  { NULL },						\
91	}							\
92}
93
94/* Netgraph commands */
95enum {
96	NGM_TEE_GET_STATS = 1,		/* get stats */
97	NGM_TEE_CLR_STATS,		/* clear stats */
98};
99
100#endif /* _NETGRAPH_TEE_H_ */
101