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UPGT(4)			 BSD Kernel Interfaces Manual		       UPGT(4)

NAME
     upgt — Conexant/Intersil PrismGT SoftMAC USB IEEE 802.11b/g wireless net‐
     work device

SYNOPSIS
     upgt* at uhub? port ?

DESCRIPTION
     The upgt driver supports the USB 2.0 Conexant/Intersil PrismGT series
     wireless adapters based on the GW3887 chipset.

     These are the modes the upgt driver can operate in:

     BSS mode	    Also known as infrastructure mode, this is used when asso‐
		    ciating with an access point, through which all traffic
		    passes.  This mode is the default.

     monitor mode   In this mode the driver is able to receive packets without
		    associating with an access point.  This disables the
		    internal receive filter and enables the card to capture
		    packets from networks which it wouldn't normally have
		    access to, or to scan for access points.

     The upgt driver can be configured to use Wired Equivalent Privacy (WEP)
     or Wi-Fi Protected Access (WPA-PSK and WPA2-PSK).	WPA is the de facto
     encryption standard for wireless networks.	 It is strongly recommended
     that WEP not be used as the sole mechanism to secure wireless communica‐
     tion, due to serious weaknesses in it.  The upgt driver relies on the
     software 802.11 stack for both encryption and decryption of data frames.

     The upgt driver can be configured at runtime with ifconfig(8) or on boot
     with ifconfig.if(5).

FILES
     The driver needs a firmware file which is loaded when an interface is
     brought up:

	   /libdata/firmware/upgt/upgt-gw3887

     Currently these firmware files can not be included in NetBSD base system.
     Please download these files and put them into the above firmware direc‐
     tory.

     A tar archive file that includes upgt-gw3887 firmware can be found at:

	http://www.nazgul.ch/upgt/upgt-firmware-1.1.tar.gz

HARDWARE
     The following adapters should work:

	   Belkin F5D7050 (version 1000)
	   Cohiba Proto Board
	   D-Link DWL-G120 Cohiba
	   D-Link DWL-G122 rev A2
	   FSC Connect2Air E-5400 USB D1700
	   Gigaset USB Adapter 54
	   Inventel UR045G
	   IOGear GWU513
	   Linksys WUSB54AG
	   Linksys WUSB54G ver 2
	   Medion MD40900
	   Philips CPWUA054
	   SMC EZ ConnectG SMC2862W-G
	   Sagem XG703A
	   Spinnaker DUT
	   Spinnaker Proto Board
	   Thomson SpeedTouch 121g
	   Willcom / Sharp WS003SH/WS004SH smart phone internal wireless LAN

EXAMPLES
     The following ifconfig.if(5) example configures upgt0 to join whatever
     network is available on boot, using WEP key “0x1deadbeef1”, channel 11,
     obtaining an IP address using dhcpcd(8):

	   ssid 'my network' nwkey 0x1deadbeef1 chan 11
	   dhcp

     Join an existing BSS network, “my_net”:

	   # ifconfig upgt0 192.168.1.1 netmask 0xffffff00 nwid my_net

SEE ALSO
     arp(4), ifmedia(4), intro(4), netintro(4), usb(4), ifconfig.if(5),
     ifconfig(8)

HISTORY
     The upgt driver first appeared in OpenBSD 4.3.  It was ported to NetBSD
     by FUKAUMI Naoki and first appeared in NetBSD 6.0.

AUTHORS
     The upgt driver was written by Marcus Glocker ⟨mglocker@openbsd.org⟩.

     The hardware specification was reverse engineered by the people at
     http://www.prism54.org/.

BUGS
     The upgt driver just supports the USB 2.0 devices (GW3887 chipset) but
     not the USB 1.0 devices containing the NET2280, ISL3880, and ISL3886
     chipsets.	Some further efforts would be necessary to add USB 1.0 support
     to the driver.

BSD				 July 4, 2010				   BSD

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