freebsd-skq/sys/netgraph/ng_split.h
julian e658f358fd Add a 'splitter' node to separate a bidirectional
packet flow into two unidirectional flows.

Part of a suite of nodes developed for packet flow control.
More to follow as I have time to port them to 5.x or
as others do so. The ipfw node will be the hardest..

Submitted by:	"Vitaly V. Belekhov" <vitaly@riss-telecom.ru>
2001-02-22 17:14:36 +00:00

46 lines
1.8 KiB
C

/*
*
* Copyright (c) 1999-2000, Vitaly V Belekhov
* 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.
*
* $FreeBSD$
*
*/
#ifndef _NG_SPLIT_H
#define _NG_SPLIT_H
/* Node type name and magic cookie */
#define NG_SPLIT_NODE_TYPE "ng_split"
#define NGM_NG_SPLIT_COOKIE 949409402
/* My hook names */
#define NG_SPLIT_HOOK_MIXED "mixed" /* Mixed stream (in/out) */
#define NG_SPLIT_HOOK_OUTHOOK "out" /* Output to outhook (sending out) */
#define NG_SPLIT_HOOK_INHOOK "in" /* Input from inhook (recieving) */
#endif /* _NG_SPLIT_H */