130 lines
4.6 KiB
Groff
130 lines
4.6 KiB
Groff
.\" Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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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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.\" $Id: ng_bt3c.4,v 1.3 2003/09/14 23:28:51 max Exp $
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.\" $FreeBSD$
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.\"
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.Dd December 17, 2004
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.Dt NG_BT3C 4
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.Os
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.Sh NAME
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.Nm ng_bt3c
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.Nd Netgraph node type that is also a 3Com Bluetooth PC card driver
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.Sh SYNOPSIS
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.In sys/types.h
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.In netgraph/bluetooth/include/ng_bt3c.h
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.Sh DESCRIPTION
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The
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.Nm btccc
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node type is both a persistent Netgraph node type and a driver for the
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3Com Bluetooth PC card (3CRWB6096-HP).
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It implements a Bluetooth HCI
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UART transport layer as per chapter H4 of the Bluetooth Specification
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Book v1.1.
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A new node is created when the card is plugged.
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.Pp
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In order to use the card one
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.Em MUST
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download the firmware first.
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Due to copyright issues the firmware cannot be provided with this driver.
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The firmware can be obtained
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from the Windows driver package that can be downloaded from the 3Com web
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site at no charge.
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The firmware name is
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.Pa BT3CPCC.BIN .
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To load the firmware into the card, use
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.Xr bt3cfw 8 .
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I am using the original firmware that came with the card on CD-ROM.
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.Pp
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.Dl "MD5 (BT3CPCC.BIN) = 36170fda56ea9fdbf1702c966f8a97f1"
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.Pp
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The node has a single hook called
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.Dv hook .
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Incoming bytes received on the device are re-assembled into HCI frames
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(according to the length).
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Full HCI frames are sent out on the hook.
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HCI frames received on
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.Dv hook
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are transmitted out.
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No modification to the data is performed in either direction.
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.Sh HARDWARE
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The
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.Nm
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driver provides support for the 3Com/HP 3CRWB6096-A PCCARD bluetooth adapter.
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.Sh HOOKS
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This node type supports the following hooks:
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.Bl -tag -width ".Va hook"
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.It Va hook
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single HCI frame contained in single
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.Vt mbuf
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structure.
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.El
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.Sh CONTROL MESSAGES
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This node type supports the generic control messages, plus the following:
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.Bl -tag -width foo
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.It Dv NGM_BT3C_NODE_GET_STATE Pq Ic get_state
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Returns the current receiving state for the node.
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.It Dv NGM_BT3C_NODE_SET_DEBUG Pq Ic set_debug
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This command takes an integer argument and sets the current debug level
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for the node.
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.It Dv NGM_BT3C_NODE_GET_DEBUG Pq Ic get_debug
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Returns an integer containing the current debug level for the node.
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.It Dv NGM_BT3C_NODE_GET_QLEN Pq Ic get_qlen
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This command takes a parameter that specifies queue number and returns
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the current length of the queue for the node.
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.It Dv NGM_BT3C_NODE_SET_QLEN Pq Ic set_qlen
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This command takes two parameters that specify the queue number and
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the maximum length of the queue and sets the maximum length of the queue for
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the node.
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.It Dv NGM_BT3C_NODE_GET_STAT Pq Ic get_stat
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Returns various statistic information for the node, such as: number of
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bytes (frames) sent, number of bytes (frames) received and number of
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input (output) errors.
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.It Dv NGM_BT3C_NODE_RESET_STAT Pq Ic reset_stat
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Reset all statistic counters to zero.
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.It Dv NGM_BT3C_NODE_DOWNLOAD_FIRMWARE
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Download card firmware.
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.El
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.Sh SHUTDOWN
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This node shuts down when the corresponding card is un-plugged.
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.Sh SEE ALSO
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.Xr cardbus 4 ,
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.Xr netgraph 4 ,
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.Xr pccbb 4 ,
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.Xr pcic 4 ,
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.Xr pccard.conf 5 ,
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.Xr bt3cfw 8 ,
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.Xr ngctl 8
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.Sh HISTORY
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The
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.Nm btccc
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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 Maksim Yevmenkin Aq m_evmenkin@yahoo.com
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.Sh BUGS
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The driver is based on information obtained from
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.An Jose Orlando Pereira Aq jop@di.uminho.pt
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and disassembled the W2K driver.
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