1/*
 2 * ng_tee.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: Archie Cobbs <archie@freebsd.org>
39 * $Whistle: ng_tee.h,v 1.2 1999/01/20 00:22:14 archie Exp $
40 */
41
42#ifndef _NETGRAPH_NG_TEE_H_
43#define _NETGRAPH_NG_TEE_H_
44
45/* Node type name and magic cookie */
46#define NG_TEE_NODE_TYPE	"tee"
47#define NGM_TEE_COOKIE		916107047
48
49/* Hook names */
50#define NG_TEE_HOOK_RIGHT	"right"
51#define NG_TEE_HOOK_LEFT	"left"
52#define NG_TEE_HOOK_RIGHT2LEFT	"right2left"
53#define NG_TEE_HOOK_LEFT2RIGHT	"left2right"
54
55/* Statistics structure for one hook */
56struct ng_tee_hookstat {
57	u_int64_t	inOctets;
58	u_int64_t	inFrames;
59	u_int64_t	outOctets;
60	u_int64_t	outFrames;
61};
62
63/* Keep this in sync with the above structure definition */
64#define NG_TEE_HOOKSTAT_INFO	{				\
65	  { "inOctets",		&ng_parse_uint64_type	},	\
66	  { "inFrames",		&ng_parse_uint64_type	},	\
67	  { "outOctets",	&ng_parse_uint64_type	},	\
68	  { "outFrames",	&ng_parse_uint64_type	},	\
69	  { NULL }						\
70}
71
72/* Statistics structure returned by NGM_TEE_GET_STATS */
73struct ng_tee_stats {
74	struct ng_tee_hookstat	right;
75	struct ng_tee_hookstat	left;
76	struct ng_tee_hookstat	right2left;
77	struct ng_tee_hookstat	left2right;
78};
79
80/* Keep this in sync with the above structure definition */
81#define NG_TEE_STATS_INFO(hstype)	{			\
82	  { "right",		(hstype)		},	\
83	  { "left",		(hstype)		},	\
84	  { "right2left",	(hstype)		},	\
85	  { "left2right",	(hstype)		},	\
86	  { NULL }						\
87}
88
89/* Netgraph commands */
90enum {
91	NGM_TEE_GET_STATS = 1,		/* get stats */
92	NGM_TEE_CLR_STATS,		/* clear stats */
93	NGM_TEE_GETCLR_STATS,		/* atomically get and clear stats */
94};
95
96#endif /* _NETGRAPH_NG_TEE_H_ */