2001-02-22 17:14:36 +00:00
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.\" Copyright (c) 2001 FreeBSD inc.
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.\" All rights reserved.
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.\"
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.\" redistribution of this software, in source or object code forms, with or
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.\" provided, however, that:
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.\" such appears in the above copyright notice or in the software.
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.\"
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.\" THIS SOFTWARE IS BEING PROVIDED BY FREEBSD INC. "AS IS", AND
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.\" OF SUCH DAMAGE.
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.\"
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.\" Author: Julian Elischer <julian@FreeBSD.org>
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.\"
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.\" $FreeBSD$
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.\"
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.Dd February 19, 2001
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.Dt NG_SPLIT 4
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2001-07-10 15:31:11 +00:00
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.Os
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2001-02-22 17:14:36 +00:00
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.Sh NAME
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.Nm ng_split
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2001-03-05 14:25:41 +00:00
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.Nd netgraph node to separate incoming and outgoing flows
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2001-02-22 17:14:36 +00:00
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.Sh SYNOPSIS
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.Fd #include <netgraph/ng_split.h>
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.Sh DESCRIPTION
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The
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.Nm split
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node type is used to split a bidirectional stream of packets into
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two separate unidirectional streams of packets.
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.Sh HOOKS
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This node type supports the following three hooks:
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.Bl -tag -width foobar
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.It Dv in
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Packets received on
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.Em in
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are forwarded to
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.Em mixed .
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.It Dv out
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Packets received on
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.Em out
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will be discarded as illegal.
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.It Dv mixed
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Packets received on
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.Em mixed
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are forwarded to
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.Em out .
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.El
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.Sh CONTROL MESSAGES
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This node type supports only the generic control messages.
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.Sh SHUTDOWN
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This node shuts down upon receipt of a
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.Dv NGM_SHUTDOWN
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control message, or when all hooks have been disconnected.
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.Sh SEE ALSO
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.Xr netgraph 4 ,
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.Xr ngctl 8
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.Sh HISTORY
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The
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.Nm
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node type was implemented in
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.Fx 3.5
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2001-03-05 14:25:41 +00:00
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but incorprated into
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.Fx
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in
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2001-02-22 17:14:36 +00:00
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.Fx 5.0 .
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.Sh AUTHORS
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.An Julian Elischer Aq julian@FreeBSD.org
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.An Vitaly V. Belekhov Aq vitaly@riss-telecom.ru
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