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ng_bt3c.4freebsd

Langue: en

Version: 300541 (debian - 07/07/09)

Section: 4 (Pilotes et protocoles réseau)


BSD mandoc

NAME

ng_bt3c - Netgraph node type that is also a 3Com Bluetooth PC card driver

SYNOPSIS

In sys/types.h In netgraph/bluetooth/include/ng_bt3c.h

DESCRIPTION

The btccc node type is both a persistent Netgraph node type and a driver for the 3Com Bluetooth PC card (3CRWB6096-HP). It implements a Bluetooth HCI UART transport layer as per chapter H4 of the Bluetooth Specification Book v1.1. A new node is created when the card is plugged.

In order to use the card one MUST download the firmware first. Due to copyright issues the firmware cannot be provided with this driver. The firmware can be obtained from the Windows driver package that can be downloaded from the 3Com web site at no charge. The firmware name is BT3CPCC.BIN To load the firmware into the card, use bt3cfw(8). I am using the original firmware that came with the card on CD-ROM.

"MD5 (BT3CPCC.BIN) = 36170fda56ea9fdbf1702c966f8a97f1"

The node has a single hook called hook Incoming bytes received on the device are re-assembled into HCI frames (according to the length). Full HCI frames are sent out on the hook. HCI frames received on hook are transmitted out. No modification to the data is performed in either direction.

HARDWARE

The driver provides support for the 3Com/HP 3CRWB6096-A PCCARD bluetooth adapter.

HOOKS

This node type supports the following hooks:
hook
single HCI frame contained in single Vt mbuf structure.

CONTROL MESSAGES

This node type supports the generic control messages, plus the following:
NGM_BT3C_NODE_GET_STATE
Returns the current receiving state for the node.
NGM_BT3C_NODE_GET_DEBUG
Returns an integer containing the current debug level for the node.
NGM_BT3C_NODE_SET_DEBUG
This command takes an integer argument and sets the current debug level for the node.
NGM_BT3C_NODE_GET_QLEN
This command takes a parameter that specifies queue number and returns the current length of the queue for the node.
NGM_BT3C_NODE_SET_QLEN
This command takes two parameters that specify the queue number and the maximum length of the queue and sets the maximum length of the queue for the node.
NGM_BT3C_NODE_GET_STAT
Returns various statistic information for the node, such as: number of bytes (frames) sent, number of bytes (frames) received and number of input (output) errors.
NGM_BT3C_NODE_RESET_STAT
Reset all statistic counters to zero.
NGM_BT3C_NODE_DOWNLOAD_FIRMWARE
Download card firmware.

SHUTDOWN

This node shuts down when the corresponding card is un-plugged.

SEE ALSO

cardbus(4), netgraph(4), pccbb(4), pcic(4), pccard.conf5, bt3cfw(8), ngctl(8)

HISTORY

The btccc node type was implemented in Fx 5.0 .

AUTHORS

An Maksim Yevmenkin Aq m_evmenkin@yahoo.com

BUGS

The driver is based on information obtained from An Jose Orlando Pereira Aq jop@di.uminho.pt and disassembled the W2K driver.
L'arithmétique et la géométrie sont des faits humains.
-+- Émile Chartier, dit Alain (1868-1951) -+-