1.\" Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $Id: ng_ubt.4,v 1.3 2003/05/21 19:37:35 max Exp $ 26.\" $FreeBSD$ 27.\" 28.Dd December 26, 2012 29.Dt NG_UBT 4 30.Os 31.Sh NAME 32.Nm ng_ubt 33.Nd Netgraph node type that is also a driver for Bluetooth USB devices 34.Sh SYNOPSIS 35.In sys/types.h 36.In netgraph/bluetooth/include/ng_ubt.h 37.Sh DESCRIPTION 38The 39.Nm ubt 40node type is both a persistent Netgraph node type and a driver for 41Bluetooth USB devices. 42It implements a Bluetooth USB transport layer 43as per chapter H2 of the Bluetooth Specification Book v1.1. 44A new node is created when a supported USB device is plugged in. 45.Pp 46The node has a single hook called 47.Dv hook . 48Incoming bytes received on the device are re-assembled into HCI frames 49(according to the length). 50Full HCI frames are sent out on the hook. 51The node will add a HCI frame indicator if the device did not send it. 52HCI frames received on 53.Dv hook 54are transmitted out. 55The node will drop the HCI frame indicator unless the device 56requires it to be present. 57.Sh HARDWARE 58The 59.Nm 60driver supports all Bluetooth USB devices that conform with 61the Bluetooth specification v1.1, including: 62.Pp 63.Bl -bullet -compact 64.It 653Com 3CREB96 66.It 67AIPTEK BR0R02 68.It 69EPoX BT-DG02 70.It 71Mitsumi Bluetooth USB adapter 72.It 73MSI MS-6967 74.It 75TDK Bluetooth USB adapter 76.It 77Broadcom Bluetooth USB adapter 78.El 79.Sh HOOKS 80This node type supports the following hooks: 81.Bl -tag -width ".Va hook" 82.It Va hook 83single HCI frame contained in a single 84.Vt mbuf 85structure. 86.El 87.Sh CONTROL MESSAGES 88This node type supports the generic control messages, plus the following: 89.Bl -tag -width indent 90.It Dv NGM_UBT_NODE_GET_DEBUG Pq Ic get_debug 91Returns an integer containing the current debug level for the node. 92.It Dv NGM_UBT_NODE_SET_DEBUG Pq Ic set_debug 93This command takes an integer argument and sets the current debug level 94for the node. 95.It Dv NGM_UBT_NODE_GET_QLEN Pq Ic get_qlen 96This command takes a parameter that specifies the queue number and returns 97the current maximal length of the queue for the node. 98.It Dv NGM_UBT_NODE_SET_QLEN Pq Ic set_qlen 99This command takes two parameters that specify the queue number and the maximum 100length of the queue and sets the maximal length of the queue for the node. 101.It Dv NGM_UBT_NODE_GET_STAT Pq Ic get_stat 102Returns various statistic information for the node, such as: number of 103bytes (frames) sent, number of bytes (frames) received and number of 104input (output) errors. 105.It Dv NGM_UBT_NODE_RESET_STAT Pq Ic reset_stat 106Reset all statistic counters to zero. 107.El 108.Sh SHUTDOWN 109This node shuts down when the corresponding USB device is un-plugged. 110.Sh SEE ALSO 111.Xr netgraph 4 , 112.Xr ugen 4 , 113.Xr usb 4 , 114.Xr ngctl 8 115.Sh HISTORY 116The 117.Nm ubt 118node type was implemented in 119.Fx 5.0 . 120.Sh AUTHORS 121.An Maksim Yevmenkin Aq m_evmenkin@yahoo.com 122.Sh BUGS 123Isochronous USB transfers are broken. 124This means that the USB device will not be able to transfer SCO data (voice). 125USB interrupt transfers are implemented as bulk-in transfers (not really a bug). 126