91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
/*-
|
|
* ng_etf.h
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 2001, FreeBSD Incorporated
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice unmodified, this list of conditions, and the following
|
|
* disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON 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 ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* Author: Julian Elischer <julian@freebsd.org>
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _NETGRAPH_NG_ETF_H_
|
|
#define _NETGRAPH_NG_ETF_H_
|
|
|
|
/* Node type name. This should be unique among all netgraph node types */
|
|
#define NG_ETF_NODE_TYPE "etf"
|
|
|
|
/* Node type cookie. Should also be unique. This value MUST change whenever
|
|
an incompatible change is made to this header file, to insure consistency.
|
|
The de facto method for generating cookies is to take the output of the
|
|
date command: date -u +'%s' */
|
|
#define NGM_ETF_COOKIE 983084516
|
|
|
|
/* Hook names */
|
|
#define NG_ETF_HOOK_DOWNSTREAM "downstream"
|
|
#define NG_ETF_HOOK_NOMATCH "nomatch"
|
|
|
|
/* Netgraph commands understood by this node type */
|
|
enum {
|
|
NGM_ETF_SET_FLAG = 1,
|
|
NGM_ETF_GET_STATUS,
|
|
NGM_ETF_SET_FILTER,
|
|
|
|
};
|
|
|
|
/* This structure is returned by the NGM_ETF_GET_STATUS command */
|
|
struct ng_etfstat {
|
|
u_int32_t packets_in; /* packets in from downstream */
|
|
u_int32_t packets_out; /* packets out towards downstream */
|
|
};
|
|
|
|
/*
|
|
* This needs to be kept in sync with the above structure definition
|
|
*/
|
|
#define NG_ETF_STATS_TYPE_INFO { \
|
|
{ "packets_in", &ng_parse_uint32_type }, \
|
|
{ "packets_out", &ng_parse_uint32_type }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
/* This structure is returned by the NGM_ETF_GET_STATUS command */
|
|
struct ng_etffilter {
|
|
char matchhook[NG_HOOKSIZ]; /* hook name */
|
|
u_int16_t ethertype; /* this ethertype to this hook */
|
|
};
|
|
|
|
/*
|
|
* This needs to be kept in sync with the above structure definition
|
|
*/
|
|
#define NG_ETF_FILTER_TYPE_INFO { \
|
|
{ "matchhook", &ng_parse_hookbuf_type }, \
|
|
{ "ethertype", &ng_parse_uint16_type }, \
|
|
{ NULL } \
|
|
}
|
|
|
|
#endif /* _NETGRAPH_NG_ETF_H_ */
|