MFC r1.27:
[dragonfly.git] / sys / netgraph7 / ng_tee.h
blobfa7e8156c0d5707105e06008fe25f6dcaa937b0f
2 /*
3 * ng_tee.h
4 */
6 /*-
7 * Copyright (c) 1996-1999 Whistle Communications, Inc.
8 * All rights reserved.
9 *
10 * Subject to the following obligations and disclaimer of warranty, use and
11 * redistribution of this software, in source or object code forms, with or
12 * without modifications are expressly permitted by Whistle Communications;
13 * provided, however, that:
14 * 1. Any and all reproductions of the source or object code must include the
15 * copyright notice above and the following disclaimer of warranties; and
16 * 2. No rights are granted, in any manner or form, to use Whistle
17 * Communications, Inc. trademarks, including the mark "WHISTLE
18 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as
19 * such appears in the above copyright notice or in the software.
21 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
22 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
23 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
24 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
26 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
27 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
28 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
29 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
30 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
31 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
32 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
33 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
34 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
36 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
37 * OF SUCH DAMAGE.
39 * Author: Archie Cobbs <archie@freebsd.org>
41 * $FreeBSD: src/sys/netgraph/ng_tee.h,v 1.8 2005/01/07 01:45:39 imp Exp $
42 * $DragonFly: src/sys/netgraph7/ng_tee.h,v 1.2 2008/06/26 23:05:35 dillon Exp $
43 * $Whistle: ng_tee.h,v 1.2 1999/01/20 00:22:14 archie Exp $
46 #ifndef _NETGRAPH_NG_TEE_H_
47 #define _NETGRAPH_NG_TEE_H_
49 /* Node type name and magic cookie */
50 #define NG_TEE_NODE_TYPE "tee"
51 #define NGM_TEE_COOKIE 916107047
53 /* Hook names */
54 #define NG_TEE_HOOK_RIGHT "right"
55 #define NG_TEE_HOOK_LEFT "left"
56 #define NG_TEE_HOOK_RIGHT2LEFT "right2left"
57 #define NG_TEE_HOOK_LEFT2RIGHT "left2right"
59 /* Statistics structure for one hook */
60 struct ng_tee_hookstat {
61 u_int64_t inOctets;
62 u_int64_t inFrames;
63 u_int64_t outOctets;
64 u_int64_t outFrames;
67 /* Keep this in sync with the above structure definition */
68 #define NG_TEE_HOOKSTAT_INFO { \
69 { "inOctets", &ng_parse_uint64_type }, \
70 { "inFrames", &ng_parse_uint64_type }, \
71 { "outOctets", &ng_parse_uint64_type }, \
72 { "outFrames", &ng_parse_uint64_type }, \
73 { NULL } \
76 /* Statistics structure returned by NGM_TEE_GET_STATS */
77 struct ng_tee_stats {
78 struct ng_tee_hookstat right;
79 struct ng_tee_hookstat left;
80 struct ng_tee_hookstat right2left;
81 struct ng_tee_hookstat left2right;
84 /* Keep this in sync with the above structure definition */
85 #define NG_TEE_STATS_INFO(hstype) { \
86 { "right", (hstype) }, \
87 { "left", (hstype) }, \
88 { "right2left", (hstype) }, \
89 { "left2right", (hstype) }, \
90 { NULL } \
93 /* Netgraph commands */
94 enum {
95 NGM_TEE_GET_STATS = 1, /* get stats */
96 NGM_TEE_CLR_STATS, /* clear stats */
97 NGM_TEE_GETCLR_STATS, /* atomically get and clear stats */
100 #endif /* _NETGRAPH_NG_TEE_H_ */