Axe ng_fec(4). It has never been a real netgraph(4) module, since
it had no hooks. It has abused ifnet's if_afdata slot and actually abused every subsystem it touched. lagg(4) is a proper trunking solution at ifnet(9) layer. ng_one2many(4) is a proper trunking solution in netgraph(4).
This commit is contained in:
Gleb Smirnoff
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2e14fd4313
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506658cc1e
@ -295,7 +295,6 @@ MAN= aac.4 \
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ng_etf.4 \
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ng_ether.4 \
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ng_ether_echo.4 \
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ng_fec.4 \
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ng_frame_relay.4 \
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ng_gif.4 \
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ng_gif_demux.4 \
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@ -1,109 +0,0 @@
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.\" Copyright (c) 2004 Gleb Smirnoff
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 22, 2004
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.Dt NG_FEC 4
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.Os
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.Sh NAME
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.Nm ng_fec
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.Nd netgraph Fast EtherChannel node
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.Sh SYNOPSIS
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.In netgraph/ng_fec.h
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.Sh DESCRIPTION
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The
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.Nm fec
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node implements Ethernet port trunking using the
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.Dq Cisco Fast EtherChannel
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protocol.
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Upon creation, a
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.Nm fec
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node creates a network interface associated with it.
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Interfaces are named
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.Dq Li fec0 ,
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.Dq Li fec1 ,
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etc.
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New nodes take the first available unit.
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.Sh HOOKS
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The
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.Nm fec
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node accepts any hooks.
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However it does not use them.
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Under normal operation, a
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.Nm fec
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node should not have any hooks.
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.Sh CONTROL MESSAGES
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Interface membership in the FEC group is configured with the following
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control messages:
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.Bl -tag -width foo
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.It Dv NGM_FEC_ADD_IFACE Pq Ic add_iface
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Attach interface to the FEC group.
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The target interface name is passed as a string argument.
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.It Dv NGM_FEC_DEL_IFACE Pq Ic del_iface
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Remove interface from the trunk.
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The target interface name is passed as a string argument.
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.El
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.Pp
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The following control messages define the forwarding method for a node:
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.Bl -tag -width foo
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.It Dv NGM_FEC_SET_MODE_MAC Pq Ic set_mode_mac
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Forwarding decisions will be based on the link-layer MAC address of the destination.
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.It Dv NGM_FEC_SET_MODE_INET Pq Ic set_mode_inet
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Forwarding decisions will be based on the IP address of the destination.
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.El
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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.
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.Sh EXAMPLES
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The following example script creates an
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.Nm fec
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node, attaches four Ethernet interfaces to it and
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sets the forwarding method to be IP-address based:
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.Bd -literal -offset indent
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/usr/sbin/ngctl -f- << SEQ
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mkpeer fec dummy fec
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msg fec0: add_iface "dc0"
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msg fec0: add_iface "dc1"
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msg fec0: add_iface "dc2"
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msg fec0: add_iface "dc3"
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msg fec0: set_mode_inet
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SEQ
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.Ed
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.Sh SEE ALSO
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.Xr netgraph 4
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.Sh HISTORY
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The
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.Nm fec
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node type was implemented in
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.Fx 5.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm fec
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node was written by
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.An "Bill Paul" Aq wpaul@FreeBSD.org .
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This manual page was written by
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.An "Gleb Smirnoff" Aq glebius@FreeBSD.org .
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@ -18,7 +18,6 @@ SUBDIR= async \
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etf \
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ether \
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ether_echo \
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fec \
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frame_relay \
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gif \
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gif_demux \
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@ -1,8 +0,0 @@
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# $FreeBSD$
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KMOD= ng_fec
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SRCS= ng_fec.c opt_inet.h opt_inet6.h
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CFLAGS += -DINET -DINET6
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.include <bsd.kmod.mk>
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File diff suppressed because it is too large
Load Diff
@ -1,113 +0,0 @@
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/*
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* ng_fec.h
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*/
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/*-
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* Copyright (c) 2000 Berkeley Software Design, Inc.
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* Copyright (c) 1997, 1998, 1999, 2000
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* Bill Paul <wpaul@osd.bsdi.com>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*-
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* Copyright (c) 1996-1999 Whistle Communications, Inc.
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* All rights reserved.
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*
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* Subject to the following obligations and disclaimer of warranty, use and
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* redistribution of this software, in source or object code forms, with or
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* without modifications are expressly permitted by Whistle Communications;
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* provided, however, that:
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* 1. Any and all reproductions of the source or object code must include the
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* copyright notice above and the following disclaimer of warranties; and
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* 2. No rights are granted, in any manner or form, to use Whistle
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* Communications, Inc. trademarks, including the mark "WHISTLE
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* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
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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 WHISTLE COMMUNICATIONS "AS IS", AND
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
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* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
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* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
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* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
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* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
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* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
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* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
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* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* Author: Archie Cobbs <archie@freebsd.org>
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*
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* $Whistle: ng_fec.h,v 1.5 1999/01/20 00:22:13 archie Exp $
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*/
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#ifndef _NETGRAPH_NG_FEC_H_
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#define _NETGRAPH_NG_FEC_H_
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#define NETISR_FEC 26
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/* Node type name and magic cookie */
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#define NG_FEC_NODE_TYPE "fec"
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#define NGM_FEC_COOKIE 983566799
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/* Interface base name */
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#define NG_FEC_FEC_NAME "fec"
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#define NG_FEC_FEC_NAME_MAX 15
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/* MTU bounds */
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#define NG_FEC_MTU_MIN 72
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#define NG_FEC_MTU_MAX 65535
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#define NG_FEC_MTU_DEFAULT 1500
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/* Special flags for mbufs. */
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#define M_FEC_MAC 0x2000
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#define M_FEC_INET 0x4000
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#define M_FEC_INET6 0x8000
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/* Netgraph commands */
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enum {
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NGM_FEC_ADD_IFACE,
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NGM_FEC_DEL_IFACE,
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NGM_FEC_SET_MODE_MAC,
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NGM_FEC_SET_MODE_INET,
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NGM_FEC_SET_MODE_INET6
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};
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struct ng_fec_ifname {
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char ngif_name[NG_FEC_FEC_NAME_MAX + 1];
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};
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#endif /* _NETGRAPH_NG_FEC_H_ */
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