Configuration utility for bridge(4) devices.
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thorpej
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6
sbin/brconfig/Makefile
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sbin/brconfig/Makefile
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# $NetBSD: Makefile,v 1.1 2001/08/17 21:42:10 thorpej Exp $
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PROG= brconfig
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MAN= brconfig.8
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.include <bsd.prog.mk>
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241
sbin/brconfig/brconfig.8
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sbin/brconfig/brconfig.8
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.\" $NetBSD: brconfig.8,v 1.1 2001/08/17 21:42:11 thorpej Exp $
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.\"
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.\" Copyright 2001 Wasabi Systems, Inc.
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.\" All rights reserved.
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.\"
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.\" Written by Jason R. Thorpe for Wasabi Systems, Inc.
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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 for the NetBSD Project by
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.\" Wasabi Systems, Inc.
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.\" 4. The name of Wasabi Systems, Inc. may not be used to endorse
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.\" or promote products derived from this software without specific prior
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.\" written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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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 THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd August 17, 2001
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.Dt BRCONFIG 8
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.Os
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.Sh NAME
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.Nm brconfig
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.Nd configure network bridge parameters
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.Sh SYNOPSIS
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.Nm ""
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.Fl a
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.Nm ""
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.Ar bridge
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.Nm ""
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.Ar bridge
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.Ar command
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.Op Ar args ...
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.Sh DESCRIPTION
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The
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.Nm
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utility is used to configure network bridge parameters and retrieve
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network bridge parameters and status from the kernel. The bridging
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function is implemented by the
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.Xr bridge 4
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driver.
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.Pp
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A network bridge creates a logical link between two or more
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IEEE 802 networks that use the same (or
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.Dq similar enough )
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framing format. For example, it is possible to bridge Ethernet
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and 802.11 networks together, but it is not possible to bridge
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Ethernet and Token Ring together.
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.Pp
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Bridge interfaces are created using the
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.Xr ifconfig 8
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command's
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.Dq create
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sub-command. All other bridge configuration is performed using
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.Nm "" .
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl a
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Display the status of all bridge devices present on the system. This
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flag is mutually exclusive with all other sub-commands.
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.El
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.Pp
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All other operations require that a bridge be specified. If a
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bridge is specified with no sub-commands, the status of that bridge
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is displayed. The following sub-commands are available:
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.Pp
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.Bl -tag -width indent
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.It Cm up
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Start forwarding packets on the bridge.
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.It Cm down
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Stop forwarding packets on the bridge.
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.It Cm add Ar interface
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Add the interface named by
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.Ar interface
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as a member of the bridge. The interface is put into promiscuous mode
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so that it can receive every packet sent on the network.
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.It Cm delete Ar interface
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Remove the interface named by
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.Ar interface
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from the bridge. Promiscuous mode is disabled on the interface when
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it is removed from the bridge.
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.It Cm maxaddr Ar size
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Set the size of the bridge address cache to
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.Ar size .
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The default is 100 entries.
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.It Cm timeout Ar seconds
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Set the timeout of address cache entries to
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.Ar seconds
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seconds. If
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.Ar seconds
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is zero, then address cache entries will not be expired. The
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default is 240 seconds.
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.It Cm deladdr Ar address
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Delete
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.Ar address
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from the address cache.
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.It Cm flush
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Delete all dynamically-learned addresses from the address cache.
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.It Cm flushall
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Delete all addresses, including static addresses, from the address cache.
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.It Cm discover Ar interface
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Mark an interface as a
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.Dq discovering
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interface. When the bridge has no
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address cache entry (either dynamic or static) for the destination address
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of a packet, the bridge will forward the packet to all member interfaces
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marked as
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.Dq discovering .
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This is the default for all interfaces added to a bridge.
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.It Cm -discover Ar interface
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Clear the
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.Dq discovering
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attribute on a member interface. For packets without the
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.Dq discovering
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attribute, the only packets forwarded on the interface are broadcast
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or multicast packets and packets for which the destination address
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is known to be on the interface's segment.
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.It Cm learn Ar interface
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Mark an interface as a
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.Dq learning
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interface. When a packet arrives on such an interface, the source
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address of the packet is entered into the address cache as being a
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destination address on the interface's segment. This is the default
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for all interfaces added to a bridge.
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.It Cm -learn Ar interface
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Clear the
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.Dq learning
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attribute on a member interface.
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.It Cm stp Ar interface
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Enable Spanning Tree protocol on
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.Ar interface .
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The
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.Xr bridge 4
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driver has support for the IEEE 802.1D Spanning Tree protocol (STP).
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Spanning Tree is used to detect and remove loops in a network topology.
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.It Cm -stp Ar interface
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Disable Spanning Tree protocol on
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.Ar interface .
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This is the default for all interfaces added to a bridge.
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.It Cm maxage Ar seconds
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Set the time that a Spanning Tree protocol configuration is valid. The
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default is 20 seconds. The mininum is 1 second and the maximum is 255
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seconds.
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.It Cm fwddelay Ar seconds
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Set the time that must pass before an interface begins forwarding
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packets when Spanning Tree is enabled. The default is 15 seconds. The
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mininum is 1 second and the maximum is 255 seconds.
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.It Cm hellotime Ar seconds
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Set the time between broadcasting of Spanning Tree protocol
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configuration messages. The default is 2 seconds. The minimum is 1
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second and the maximum is 255 seconds.
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.It Cm priority Ar value
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Set the bridge priority for Spanning Tree. The default is 32768.
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The minimum is 0 and the maximum is 65536.
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.It Cm ifpriority Ar interface Ar value
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Set the Spanning Tree priority of
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.Ar interface
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to
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.Ar value .
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The default is 128. The minimum is 0 and the maximum is 255.
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.El
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.Sh EXAMPLES
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The following then placed in the file
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.Pa /etc/ifconfig.bridge0
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will cause the a bridge called
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.Sq bridge0
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to be created, and will add the interfaces
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.Sq ray0
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and
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.Sq fxp0
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to the bridge, and then enable packet forwarding. Such a
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configuration could be used to implement a simple
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802.11-to-Ethernet bridge (assuming the 802.11 interface is
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in ad-hoc mode).
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.Bd -literal -offset indent
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create
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!brconfig $int add ray0 add fxp0 up
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.Ed
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.Pp
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Consider a system with two 4-port Ethernet boards. The following
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placed in the file
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.Pa /etc/ifconfig.bridge0
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will cause a bridge consisting of all 8 ports with Spanning Tree
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enabled to be created:
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.Bd -literal -offset indent
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create
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!brconfig $int \e
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add tlp0 stp tlp0 \e
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add tlp1 stp tlp1 \e
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add tlp2 stp tlp2 \e
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add tlp3 stp tlp3 \e
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add tlp4 stp tlp4 \e
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add tlp5 stp tlp5 \e
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add tlp6 stp tlp6 \e
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add tlp7 stp tlp7 \e
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up
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.Ed
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.Pp
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.Sh SEE ALSO
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.Xr bridge 4 ,
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.Xr ifconfig.if 5 ,
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.Xr ifconfig 8
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.Sh AUTHOR
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The
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.Xr bridge 4
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driver and
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.Nm
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utility were originally written by
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.An Jason L. Wright
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.Aq jason@thought.net
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as part of an undergraduate independent study at the
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University of North Carolina at Greensboro.
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.Pp
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This version of the
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.Nm
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utility was written from scratch by
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.An Jason R. Thorpe
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.Aq thorpej@wasabisystems.com .
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Nx 1.6 .
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790
sbin/brconfig/brconfig.c
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sbin/brconfig/brconfig.c
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/* $NetBSD: brconfig.c,v 1.1 2001/08/17 21:42:11 thorpej Exp $ */
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/*
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* Copyright 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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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
|
||||||
|
* 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 for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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|
* or promote products derived from this software without specific prior
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|
* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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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 THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* brconfig(8) --
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*
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* Configuration utility for the bridge(4) driver.
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*/
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_bridgevar.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <ifaddrs.h>
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struct command {
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const char *cmd_keyword;
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int cmd_argcnt;
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int cmd_flags;
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void (*cmd_func)(const struct command *, int, const char *,
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char **);
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};
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#define CMD_INVERT 0x01 /* "invert" the sense of the command */
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void cmd_add(const struct command *, int, const char *, char **);
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void cmd_delete(const struct command *, int, const char *, char **);
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void cmd_up(const struct command *, int, const char *, char **);
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void cmd_down(const struct command *, int, const char *, char **);
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void cmd_discover(const struct command *, int, const char *, char **);
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void cmd_learn(const struct command *, int, const char *, char **);
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void cmd_flush(const struct command *, int, const char *, char **);
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void cmd_flushall(const struct command *, int, const char *, char **);
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void cmd_static(const struct command *, int, const char *, char **);
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void cmd_deladdr(const struct command *, int, const char *, char **);
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void cmd_addr(const struct command *, int, const char *, char **);
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void cmd_maxaddr(const struct command *, int, const char *, char **);
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void cmd_hellotime(const struct command *, int, const char *, char **);
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void cmd_fwddelay(const struct command *, int, const char *, char **);
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void cmd_maxage(const struct command *, int, const char *, char **);
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void cmd_priority(const struct command *, int, const char *, char **);
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void cmd_ifpriority(const struct command *, int, const char *, char **);
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void cmd_timeout(const struct command *, int, const char *, char **);
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void cmd_stp(const struct command *, int, const char *, char **);
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const struct command command_table[] = {
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{ "add", 1, 0, cmd_add },
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{ "delete", 1, 0, cmd_delete },
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{ "up", 0, 0, cmd_up },
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{ "down", 0, 0, cmd_down },
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{ "discover", 1, 0, cmd_discover },
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{ "-discover", 1, CMD_INVERT, cmd_discover },
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{ "learn", 1, 0, cmd_learn },
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{ "-learn", 1, CMD_INVERT, cmd_learn },
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{ "flush", 0, 0, cmd_flush },
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{ "flushall", 0, 0, cmd_flushall },
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{ "static", 2, 0, cmd_static },
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{ "deladdr", 1, 0, cmd_deladdr },
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{ "addr", 0, 0, cmd_addr },
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{ "maxaddr", 1, 0, cmd_maxaddr },
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{ "hellotime", 1, 0, cmd_hellotime },
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{ "fwddelay", 1, 0, cmd_fwddelay },
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{ "maxage", 1, 0, cmd_maxage },
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{ "priority", 1, 0, cmd_priority },
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{ "ifpriority", 2, 0, cmd_ifpriority },
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{ "timeout", 1, 0, cmd_timeout },
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{ "stp", 1, 0, cmd_stp },
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{ "-stp", 1, CMD_INVERT, cmd_stp },
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{ NULL, 0, 0, NULL },
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};
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void printall(int);
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void status(int, const char *);
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||||||
|
int is_bridge(const char *);
|
||||||
|
void show_config(int, const char *, const char *);
|
||||||
|
void show_interfaces(int, const char *, const char *);
|
||||||
|
void show_addresses(int, const char *, const char *);
|
||||||
|
int get_val(const char *, u_long *);
|
||||||
|
int do_cmd(int, const char *, u_long, void *, size_t, int);
|
||||||
|
void do_ifflag(int, const char *, int, int);
|
||||||
|
void do_bridgeflag(int, const char *, const char *, int, int);
|
||||||
|
|
||||||
|
void printb(const char *, u_int, const char *);
|
||||||
|
|
||||||
|
int main(int, char *[]);
|
||||||
|
void usage(void);
|
||||||
|
|
||||||
|
int aflag;
|
||||||
|
|
||||||
|
struct ifreq g_ifr;
|
||||||
|
int g_ifr_updated;
|
||||||
|
|
||||||
|
#define IFFBITS \
|
||||||
|
"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\
|
||||||
|
\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST"
|
||||||
|
|
||||||
|
int
|
||||||
|
main(int argc, char *argv[])
|
||||||
|
{
|
||||||
|
const struct command *cmd;
|
||||||
|
char *bridge;
|
||||||
|
int sock, ch;
|
||||||
|
|
||||||
|
if (argc < 2)
|
||||||
|
usage();
|
||||||
|
|
||||||
|
sock = socket(AF_INET, SOCK_DGRAM, 0);
|
||||||
|
if (sock < 0)
|
||||||
|
err(1, "socket");
|
||||||
|
|
||||||
|
while ((ch = getopt(argc, argv, "a")) != -1) {
|
||||||
|
switch (ch) {
|
||||||
|
case 'a':
|
||||||
|
aflag = 1;
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
usage();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
argc -= optind;
|
||||||
|
argv += optind;
|
||||||
|
|
||||||
|
if (aflag) {
|
||||||
|
if (argc != 0)
|
||||||
|
usage();
|
||||||
|
printall(sock);
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (argc == 0)
|
||||||
|
usage();
|
||||||
|
|
||||||
|
bridge = argv[0];
|
||||||
|
|
||||||
|
if (is_bridge(bridge) == 0)
|
||||||
|
errx(1, "%s is not a bridge", bridge);
|
||||||
|
|
||||||
|
/* Get a copy of the interface flags. */
|
||||||
|
strlcpy(g_ifr.ifr_name, bridge, sizeof(g_ifr.ifr_name));
|
||||||
|
if (ioctl(sock, SIOCGIFFLAGS, &g_ifr) < 0)
|
||||||
|
err(1, "unable to get interface flags");
|
||||||
|
|
||||||
|
argc--;
|
||||||
|
argv++;
|
||||||
|
|
||||||
|
if (argc == 0) {
|
||||||
|
status(sock, bridge);
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
while (argc != 0) {
|
||||||
|
for (cmd = command_table; cmd->cmd_keyword != NULL; cmd++) {
|
||||||
|
if (strcmp(cmd->cmd_keyword, argv[0]) == 0)
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (cmd->cmd_keyword == NULL)
|
||||||
|
errx(1, "unknown command: %s", argv[0]);
|
||||||
|
|
||||||
|
argc--;
|
||||||
|
argv++;
|
||||||
|
|
||||||
|
if (argc < cmd->cmd_argcnt)
|
||||||
|
errx(1, "command %s requires %d argument%s",
|
||||||
|
cmd->cmd_keyword, cmd->cmd_argcnt,
|
||||||
|
cmd->cmd_argcnt == 1 ? "" : "s");
|
||||||
|
|
||||||
|
(*cmd->cmd_func)(cmd, sock, bridge, argv);
|
||||||
|
|
||||||
|
argc -= cmd->cmd_argcnt;
|
||||||
|
argv += cmd->cmd_argcnt;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* If the flags changed, update them. */
|
||||||
|
if (g_ifr_updated && ioctl(sock, SIOCSIFFLAGS, &g_ifr) < 0)
|
||||||
|
err(1, "unable to set interface flags");
|
||||||
|
|
||||||
|
exit (0);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
usage(void)
|
||||||
|
{
|
||||||
|
static const char *usage_strings[] = {
|
||||||
|
"-a",
|
||||||
|
"<bridge>",
|
||||||
|
"<bridge> up|down",
|
||||||
|
"<bridge> addr",
|
||||||
|
"<bridge> add <interface>",
|
||||||
|
"<bridge> delete <interface>",
|
||||||
|
"<bridge> maxaddr <size>",
|
||||||
|
"<bridge> timeout <time>",
|
||||||
|
"<bridge> static <interface> <address>",
|
||||||
|
"<bridge> deladdr <address>",
|
||||||
|
"<bridge> flush",
|
||||||
|
"<bridge> flushall",
|
||||||
|
"<bridge> discover|-discover <interface>",
|
||||||
|
"<bridge> learn|-learn <interface>",
|
||||||
|
"<bridge> stp|-stp <interface>",
|
||||||
|
"<bridge> maxage <time>",
|
||||||
|
"<bridge> fwddelay <time>",
|
||||||
|
"<bridge> hellotime <time>",
|
||||||
|
"<bridge> priority <value>",
|
||||||
|
"<bridge> ifpriority <interface> <value>",
|
||||||
|
NULL,
|
||||||
|
};
|
||||||
|
extern const char *__progname;
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = 0; usage_strings[i] != NULL; i++)
|
||||||
|
fprintf(stderr, "%s %s %s\n",
|
||||||
|
i == 0 ? "usage:" : " ",
|
||||||
|
__progname, usage_strings[i]);
|
||||||
|
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
is_bridge(const char *bridge)
|
||||||
|
{
|
||||||
|
|
||||||
|
if (strncmp(bridge, "bridge", 6) != 0 ||
|
||||||
|
isdigit(bridge[6]) == 0)
|
||||||
|
return (0);
|
||||||
|
|
||||||
|
return (1);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
printb(const char *s, u_int v, const char *bits)
|
||||||
|
{
|
||||||
|
int i, any = 0;
|
||||||
|
char c;
|
||||||
|
|
||||||
|
if (bits && *bits == 8)
|
||||||
|
printf("%s=%o", s, v);
|
||||||
|
else
|
||||||
|
printf("%s=%x", s, v);
|
||||||
|
bits++;
|
||||||
|
if (bits) {
|
||||||
|
putchar('<');
|
||||||
|
while ((i = *bits++) != 0) {
|
||||||
|
if (v & (1 << (i-1))) {
|
||||||
|
if (any)
|
||||||
|
putchar(',');
|
||||||
|
any = 1;
|
||||||
|
for (; (c = *bits) > 32; bits++)
|
||||||
|
putchar(c);
|
||||||
|
} else
|
||||||
|
for (; *bits > 32; bits++)
|
||||||
|
;
|
||||||
|
}
|
||||||
|
putchar('>');
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
printall(int sock)
|
||||||
|
{
|
||||||
|
struct ifaddrs *ifap, *ifa;
|
||||||
|
char *p;
|
||||||
|
|
||||||
|
if (getifaddrs(&ifap) != 0)
|
||||||
|
err(1, "getifaddrs");
|
||||||
|
p = NULL;
|
||||||
|
for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) {
|
||||||
|
if (is_bridge(ifa->ifa_name) == 0)
|
||||||
|
continue;
|
||||||
|
if (p != NULL && strcmp(p, ifa->ifa_name) == 0)
|
||||||
|
continue;
|
||||||
|
p = ifa->ifa_name;
|
||||||
|
status(sock, ifa->ifa_name);
|
||||||
|
}
|
||||||
|
|
||||||
|
freeifaddrs(ifap);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
status(int sock, const char *bridge)
|
||||||
|
{
|
||||||
|
struct ifreq ifr;
|
||||||
|
struct ifbrparam bp1, bp2;
|
||||||
|
|
||||||
|
memset(&ifr, 0, sizeof(ifr));
|
||||||
|
|
||||||
|
strlcpy(ifr.ifr_name, bridge, sizeof(ifr.ifr_name));
|
||||||
|
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0)
|
||||||
|
err(1, "unable to get flags");
|
||||||
|
|
||||||
|
printf("%s: ", bridge);
|
||||||
|
printb("flags", ifr.ifr_flags, IFFBITS);
|
||||||
|
printf("\n");
|
||||||
|
|
||||||
|
printf("\tConfiguration:\n");
|
||||||
|
show_config(sock, bridge, "\t\t");
|
||||||
|
|
||||||
|
printf("\tInterfaces:\n");
|
||||||
|
show_interfaces(sock, bridge, "\t\t");
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGGCACHE, &bp1, sizeof(bp1), 0) < 0)
|
||||||
|
err(1, "unable to get address cache size");
|
||||||
|
if (do_cmd(sock, bridge, BRDGGTO, &bp2, sizeof(bp2), 0) < 0)
|
||||||
|
err(1, "unable to get address timeout");
|
||||||
|
|
||||||
|
printf("\tAddress cache (max cache: %u, timeout: %u):\n",
|
||||||
|
bp1.ifbrp_csize, bp2.ifbrp_ctime);
|
||||||
|
show_addresses(sock, bridge, "\t\t");
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
show_config(int sock, const char *bridge, const char *prefix)
|
||||||
|
{
|
||||||
|
struct ifbrparam param;
|
||||||
|
u_int16_t pri;
|
||||||
|
u_int8_t ht, fd, ma;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGGPRI, ¶m, sizeof(param), 0) < 0)
|
||||||
|
err(1, "unable to get bridge priority");
|
||||||
|
pri = param.ifbrp_prio;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGGHT, ¶m, sizeof(param), 0) < 0)
|
||||||
|
err(1, "unable to get hellotime");
|
||||||
|
ht = param.ifbrp_hellotime;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGGFD, ¶m, sizeof(param), 0) < 0)
|
||||||
|
err(1, "unable to get forward delay");
|
||||||
|
fd = param.ifbrp_fwddelay;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGGMA, ¶m, sizeof(param), 0) < 0)
|
||||||
|
err(1, "unable to get max age");
|
||||||
|
ma = param.ifbrp_maxage;
|
||||||
|
|
||||||
|
printf("%spriority %u hellotime %u fwddelay %u maxage %u\n",
|
||||||
|
prefix, pri, ht, fd, ma);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
show_interfaces(int sock, const char *bridge, const char *prefix)
|
||||||
|
{
|
||||||
|
static const char *stpstates[] = {
|
||||||
|
"disabled",
|
||||||
|
"listening",
|
||||||
|
"learning",
|
||||||
|
"forwarding",
|
||||||
|
"blocking",
|
||||||
|
};
|
||||||
|
struct ifbifconf bifc;
|
||||||
|
struct ifbreq *req;
|
||||||
|
char *inbuf = NULL;
|
||||||
|
int i, len = 8192;
|
||||||
|
|
||||||
|
for (;;) {
|
||||||
|
bifc.ifbic_len = len;
|
||||||
|
bifc.ifbic_buf = inbuf = realloc(inbuf, len);
|
||||||
|
if (inbuf == NULL)
|
||||||
|
err(1, "unabel to allocate interface buffer");
|
||||||
|
if (do_cmd(sock, bridge, BRDGGIFS, &bifc, sizeof(bifc), 0) < 0)
|
||||||
|
err(1, "unable to get interface list");
|
||||||
|
if ((bifc.ifbic_len + sizeof(*req)) < len)
|
||||||
|
break;
|
||||||
|
len *= 2;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < bifc.ifbic_len / sizeof(*req); i++) {
|
||||||
|
req = bifc.ifbic_req + i;
|
||||||
|
printf("%s%s ", prefix, req->ifbr_ifsname);
|
||||||
|
printb("flags", req->ifbr_ifsflags, IFBIFBITS);
|
||||||
|
printf("\n");
|
||||||
|
printf("%s\t", prefix);
|
||||||
|
printf("port %u priority %u",
|
||||||
|
req->ifbr_portno, req->ifbr_priority);
|
||||||
|
if (req->ifbr_ifsflags & IFBIF_STP) {
|
||||||
|
if (req->ifbr_state <
|
||||||
|
sizeof(stpstates) / sizeof(stpstates[0]))
|
||||||
|
printf(" %s", stpstates[req->ifbr_state]);
|
||||||
|
else
|
||||||
|
printf(" <unknown state %d>",
|
||||||
|
req->ifbr_state);
|
||||||
|
}
|
||||||
|
printf("\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
free(inbuf);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
show_addresses(int sock, const char *bridge, const char *prefix)
|
||||||
|
{
|
||||||
|
struct ifbaconf ifbac;
|
||||||
|
struct ifbareq *ifba;
|
||||||
|
char *inbuf = NULL;
|
||||||
|
int i, len = 8192;
|
||||||
|
struct ether_addr ea;
|
||||||
|
|
||||||
|
for (;;) {
|
||||||
|
ifbac.ifbac_len = len;
|
||||||
|
ifbac.ifbac_buf = inbuf = realloc(inbuf, len);
|
||||||
|
if (inbuf == NULL)
|
||||||
|
err(1, "unable to allocate address buffer");
|
||||||
|
if (do_cmd(sock, bridge, BRDGRTS, &ifbac, sizeof(ifbac), 0) < 0)
|
||||||
|
err(1, "unable to get address cache");
|
||||||
|
if ((ifbac.ifbac_len + sizeof(*ifba)) < len)
|
||||||
|
break;
|
||||||
|
len *= 2;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) {
|
||||||
|
ifba = ifbac.ifbac_req + i;
|
||||||
|
memcpy(ea.ether_addr_octet, ifba->ifba_dst,
|
||||||
|
sizeof(ea.ether_addr_octet));
|
||||||
|
printf("%s%s %s %lu ", prefix, ether_ntoa(&ea),
|
||||||
|
ifba->ifba_ifsname, ifba->ifba_expire);
|
||||||
|
printb("flags", ifba->ifba_flags, IFBAFBITS);
|
||||||
|
printf("\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
free(inbuf);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
get_val(const char *cp, u_long *valp)
|
||||||
|
{
|
||||||
|
char *endptr;
|
||||||
|
u_long val;
|
||||||
|
|
||||||
|
errno = 0;
|
||||||
|
val = strtoul(cp, &endptr, 0);
|
||||||
|
if (cp[0] == '\0' || endptr[0] != '\0' || errno == ERANGE)
|
||||||
|
return (-1);
|
||||||
|
|
||||||
|
*valp = val;
|
||||||
|
return (0);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
do_cmd(int sock, const char *bridge, u_long op, void *arg, size_t argsize,
|
||||||
|
int set)
|
||||||
|
{
|
||||||
|
struct ifdrv ifd;
|
||||||
|
|
||||||
|
memset(&ifd, 0, sizeof(ifd));
|
||||||
|
|
||||||
|
strlcpy(ifd.ifd_name, bridge, sizeof(ifd.ifd_name));
|
||||||
|
ifd.ifd_cmd = op;
|
||||||
|
ifd.ifd_len = argsize;
|
||||||
|
ifd.ifd_data = arg;
|
||||||
|
|
||||||
|
return (ioctl(sock, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd));
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
do_ifflag(int sock, const char *bridge, int flag, int set)
|
||||||
|
{
|
||||||
|
|
||||||
|
if (set)
|
||||||
|
g_ifr.ifr_flags |= flag;
|
||||||
|
else
|
||||||
|
g_ifr.ifr_flags &= ~flag;
|
||||||
|
|
||||||
|
g_ifr_updated = 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
do_bridgeflag(int sock, const char *bridge, const char *ifs, int flag,
|
||||||
|
int set)
|
||||||
|
{
|
||||||
|
struct ifbreq req;
|
||||||
|
|
||||||
|
strlcpy(req.ifbr_ifsname, ifs, sizeof(req.ifbr_ifsname));
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGGIFFLGS, &req, sizeof(req), 0) < 0)
|
||||||
|
err(1, "unable to get bridge flags");
|
||||||
|
|
||||||
|
if (set)
|
||||||
|
req.ifbr_ifsflags |= flag;
|
||||||
|
else
|
||||||
|
req.ifbr_ifsflags &= ~flag;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGSIFFLGS, &req, sizeof(req), 1) < 0)
|
||||||
|
err(1, "unable to set bridge flags");
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_add(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbreq req;
|
||||||
|
|
||||||
|
memset(&req, 0, sizeof(req));
|
||||||
|
|
||||||
|
strlcpy(req.ifbr_ifsname, argv[0], sizeof(req.ifbr_ifsname));
|
||||||
|
if (do_cmd(sock, bridge, BRDGADD, &req, sizeof(req), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_delete(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbreq req;
|
||||||
|
|
||||||
|
memset(&req, 0, sizeof(req));
|
||||||
|
strlcpy(req.ifbr_ifsname, argv[0], sizeof(req.ifbr_ifsname));
|
||||||
|
if (do_cmd(sock, bridge, BRDGDEL, &req, sizeof(req), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_up(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
|
||||||
|
do_ifflag(sock, bridge, IFF_UP, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_down(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
|
||||||
|
do_ifflag(sock, bridge, IFF_UP, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_discover(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
|
||||||
|
do_bridgeflag(sock, bridge, argv[0], IFBIF_DISCOVER,
|
||||||
|
(cmd->cmd_flags & CMD_INVERT) ? 0 : 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_learn(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
|
||||||
|
do_bridgeflag(sock, bridge, argv[0], IFBIF_LEARNING,
|
||||||
|
(cmd->cmd_flags & CMD_INVERT) ? 0 : 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_stp(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
|
||||||
|
do_bridgeflag(sock, bridge, argv[0], IFBIF_STP,
|
||||||
|
(cmd->cmd_flags & CMD_INVERT) ? 0 : 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_flush(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbreq req;
|
||||||
|
|
||||||
|
memset(&req, 0, sizeof(req));
|
||||||
|
req.ifbr_ifsflags = IFBF_FLUSHDYN;
|
||||||
|
if (do_cmd(sock, bridge, BRDGFLUSH, &req, sizeof(req), 1) < 0)
|
||||||
|
err(1, "%s", cmd->cmd_keyword);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_flushall(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbreq req;
|
||||||
|
|
||||||
|
memset(&req, 0, sizeof(req));
|
||||||
|
req.ifbr_ifsflags = IFBF_FLUSHALL;
|
||||||
|
if (do_cmd(sock, bridge, BRDGFLUSH, &req, sizeof(req), 1) < 0)
|
||||||
|
err(1, "%s", cmd->cmd_keyword);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_static(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbareq req;
|
||||||
|
struct ether_addr *ea;
|
||||||
|
|
||||||
|
memset(&req, 0, sizeof(req));
|
||||||
|
strlcpy(req.ifba_ifsname, argv[0], sizeof(req.ifba_ifsname));
|
||||||
|
|
||||||
|
ea = ether_aton(argv[1]);
|
||||||
|
if (ea == NULL)
|
||||||
|
errx(1, "%s: invalid address: %s", cmd->cmd_keyword, argv[1]);
|
||||||
|
|
||||||
|
memcpy(req.ifba_dst, ea->ether_addr_octet, sizeof(req.ifba_dst));
|
||||||
|
req.ifba_flags = IFBAF_STATIC;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGSADDR, &req, sizeof(req), 1) < 0)
|
||||||
|
err(1, "%s %s %s", cmd->cmd_keyword, argv[0], argv[1]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_deladdr(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbareq req;
|
||||||
|
struct ether_addr *ea;
|
||||||
|
|
||||||
|
memset(&req, 0, sizeof(req));
|
||||||
|
|
||||||
|
ea = ether_aton(argv[0]);
|
||||||
|
if (ea == NULL)
|
||||||
|
errx(1, "%s: invalid address: %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
|
||||||
|
memcpy(req.ifba_dst, ea->ether_addr_octet, sizeof(req.ifba_dst));
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGDADDR, &req, sizeof(req), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_addr(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
|
||||||
|
show_addresses(sock, bridge, "\t");
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_maxaddr(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbrparam param;
|
||||||
|
u_long val;
|
||||||
|
|
||||||
|
if (get_val(argv[0], &val) < 0 || (val & ~0xffffffff) != 0)
|
||||||
|
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
|
||||||
|
param.ifbrp_csize = val & 0xffffffff;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGSCACHE, ¶m, sizeof(param), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_hellotime(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbrparam param;
|
||||||
|
u_long val;
|
||||||
|
|
||||||
|
if (get_val(argv[0], &val) < 0 || (val & ~0xff) != 0)
|
||||||
|
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
|
||||||
|
param.ifbrp_hellotime = val & 0xff;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGSHT, ¶m, sizeof(param), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_fwddelay(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbrparam param;
|
||||||
|
u_long val;
|
||||||
|
|
||||||
|
if (get_val(argv[0], &val) < 0 || (val & ~0xff) != 0)
|
||||||
|
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
|
||||||
|
param.ifbrp_fwddelay = val & 0xff;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGSFD, ¶m, sizeof(param), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_maxage(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbrparam param;
|
||||||
|
u_long val;
|
||||||
|
|
||||||
|
if (get_val(argv[0], &val) < 0 || (val & ~0xff) != 0)
|
||||||
|
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
|
||||||
|
param.ifbrp_maxage = val & 0xff;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGSMA, ¶m, sizeof(param), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_priority(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbrparam param;
|
||||||
|
u_long val;
|
||||||
|
|
||||||
|
if (get_val(argv[0], &val) < 0 || (val & ~0xffff) != 0)
|
||||||
|
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
|
||||||
|
param.ifbrp_prio = val & 0xffff;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGSPRI, ¶m, sizeof(param), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_ifpriority(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbreq req;
|
||||||
|
u_long val;
|
||||||
|
|
||||||
|
memset(&req, 0, sizeof(req));
|
||||||
|
|
||||||
|
if (get_val(argv[1], &val) < 0 || (val & ~0xff) != 0)
|
||||||
|
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[1]);
|
||||||
|
|
||||||
|
strlcpy(req.ifbr_ifsname, argv[0], sizeof(req.ifbr_ifsname));
|
||||||
|
req.ifbr_priority = val & 0xff;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGSPRI, &req, sizeof(req), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
cmd_timeout(const struct command *cmd, int sock, const char *bridge,
|
||||||
|
char **argv)
|
||||||
|
{
|
||||||
|
struct ifbrparam param;
|
||||||
|
u_long val;
|
||||||
|
|
||||||
|
if (get_val(argv[0], &val) < 0 || (val & ~0xffffffff) != 0)
|
||||||
|
errx(1, "%s: invalid value: %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
|
||||||
|
param.ifbrp_ctime = val & 0xffffffff;
|
||||||
|
|
||||||
|
if (do_cmd(sock, bridge, BRDGSTO, ¶m, sizeof(param), 1) < 0)
|
||||||
|
err(1, "%s %s", cmd->cmd_keyword, argv[0]);
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user