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NG_BT3C(4)	       FreeBSD Kernel Interfaces Manual		    NG_BT3C(4)

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

SYNOPSIS
     #include <sys/types.h>
     #include <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

     For OLDCARD systems the entry in pccard.conf(5) might look	like this:

	   # 3Com 3CRWB60-A Bluetooth PC Card
	   card	"3COM" "3CRWB60-A" "Bluetooth PC Card"
		   config  auto	   "btccc" ?
		   insert  /usr/sbin/bt3cfw -n $device -f /etc/BT3CPCC.bin

     Do	not forget to load the module and SIGHUP pccardd(8).

     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 ng_bt3c 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 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: num-
	     ber 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.conf(5), bt3cfw(8),
     ngctl(8), pccardc(8), pccardd(8)

HISTORY
     The btccc node type was implemented in FreeBSD 5.0.

AUTHORS
     Maksim Yevmenkin <m_evmenkin@yahoo.com>

BUGS
     The driver	is based on information	obtained from Jose Orlando Pereira
     <jop@di.uminho.pt>	and disassembled the W2K driver.

FreeBSD	10.1		       December	17, 2004		  FreeBSD 10.1

NAME | SYNOPSIS | DESCRIPTION | HARDWARE | HOOKS | CONTROL MESSAGES | SHUTDOWN | SEE ALSO | HISTORY | AUTHORS | BUGS

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