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/*
* ng_tee.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: Archie Cobbs <archie@freebsd.org>
*
* $FreeBSD$
* $Whistle: ng_tee.h,v 1.2 1999/01/20 00:22:14 archie Exp $
*/
#ifndef _NETGRAPH_TEE_H_
#define _NETGRAPH_TEE_H_
/* Node type name and magic cookie */
#define NG_TEE_NODE_TYPE "tee"
#define NGM_TEE_COOKIE 916107047
/* Hook names */
#define NG_TEE_HOOK_RIGHT "right"
#define NG_TEE_HOOK_LEFT "left"
#define NG_TEE_HOOK_RIGHT2LEFT "right2left"
#define NG_TEE_HOOK_LEFT2RIGHT "left2right"
/* Statistics structure for one hook */
struct ng_tee_hookstat {
u_int64_t inOctets;
u_int64_t inFrames;
u_int64_t outOctets;
u_int64_t outFrames;
};
/* Keep this in sync with the above structure definition */
#define NG_TEE_HOOKSTAT_INFO { \
{ \
{ "inOctets", &ng_parse_uint64_type }, \
{ "inFrames", &ng_parse_uint64_type }, \
{ "outOctets", &ng_parse_uint64_type }, \
{ "outFrames", &ng_parse_uint64_type }, \
{ NULL }, \
} \
}
/* Statistics structure returned by NGM_TEE_GET_STATS */
struct ng_tee_stats {
struct ng_tee_hookstat right;
struct ng_tee_hookstat left;
struct ng_tee_hookstat right2left;
struct ng_tee_hookstat left2right;
};
/* Keep this in sync with the above structure definition */
#define NG_TEE_STATS_INFO(hstype) { \
{ \
{ "right", (hstype) }, \
{ "left", (hstype) }, \
{ "right2left", (hstype) }, \
{ "left2right", (hstype) }, \
{ NULL }, \
} \
}
/* Netgraph commands */
enum {
NGM_TEE_GET_STATS = 1, /* get stats */
NGM_TEE_CLR_STATS, /* clear stats */
NGM_TEE_GETCLR_STATS, /* atomically get and clear stats */
};
#endif /* _NETGRAPH_TEE_H_ */
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