usb/150989: [patch] Add Netgear WG111V2_2 support to upgt(4)

[Hans Petter Selasky]

The following reply was made to PR usb/150989; it has been noted by GNATS.

From: Hans Petter Selasky <hselasky at c2i.net>
To: freebsd-usb at freebsd.org
Cc: Anil Gulati <anilg at users.sourceforge.net>,
 freebsd-gnats-submit at freebsd.org
Subject: Re: usb/150989: [patch] Add Netgear WG111V2_2 support to upgt(4)
Date: Fri, 1 Oct 2010 15:03:42 +0200

 On Monday 27 September 2010 13:36:42 Anil Gulati wrote:
 > >Number:         150989
 > >Category:       usb
 > >Synopsis:       [patch] Add Netgear WG111V2_2 support to upgt(4)
 > >Confidential:   no
 > >Severity:       non-critical
 > >Priority:       low
 > >Responsible:    freebsd-usb
 > >State:          open
 > >Quarter:
 > >Keywords:
 > >Date-Required:
 > >Class:          update
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Mon Sep 27 11:40:00 UTC 2010
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Anil Gulati
 > >Release:        FreeBSD 8.1 CURRENT
 > 
 > >Organization:
 > Anil Gulati
 > 
 > >Environment:
 > FreeBSD engine.local 8.1-BETA1 FreeBSD 8.1-BETA1 #0: Thu Aug 26 22:45:23
 > EST 2010     root at engine.local:/usr/obj/usr/src/sys/VESAKERN  i386
 > 
 > >Description:
 > Some Netgear USB wireless adapter devices are labelled WG111V2 externally
 > but are actually WG111V2_2 devices as listed in /sys/dev/usb/usbdevs.
 > 
 > These devices are not recognised by FreeBSD 8.1 since they are not listed
 > as supported.
 > 
 > Booting with this USB device inserted will result in the device being
 > recognised as a default USB device, not an actual wireless adapter.
 > 
 > >How-To-Repeat:
 > Plug in a Netgear WG111V2_2 USB wireless adapter and boot.
 > Not all devices labelled WG111V2 are actually WG111V2_2.
 > WG111V2_2 devices will not be recognised as a network device but will use
 > the default USB device. My device of this type is externally labelled
 > WG111V2 but is revealed as WG111V2_2 by the usbconfig output:
 > 
 > $ usbconfig -u 4 -a 2 dump_device_desc
 > ugen4.2: <Cohiba 3887 rev0 GlobespanVirata> at usbus4, cfg=0 md=HOST
 > spd=HIGH (480Mbps) pwr=ON bLength = 0x0012
 > bDescriptorType = 0x0001
 > bcdUSB = 0x0200
 > bDeviceClass = 0x0000
 > bDeviceSubClass = 0x0000
 > bDeviceProtocol = 0x0000
 > bMaxPacketSize0 = 0x0040
 > idVendor = 0x0846
 > idProduct = 0x4240
 > bcdDevice = 0x1020
 > iManufacturer = 0x0001  <GlobespanVirata>
 > iProduct = 0x0002  <Cohiba 3887 rev0>
 > iSerialNumber = 0x0003  <3887-0000>
 > bNumConfigurations = 0x0001
 > 
 > >Fix:
 > WG111V2_2 devices use the GW3887 chipset and therefore need the PrismGT 
 driver upgt rather than the urtw driver used for all other Netgear WG111 
 devices:
 > > cat /sys/dev/usb/usbdevs | grep WG111V2_2
 > 
 >  product NETGEAR WG111V2_2   0x4240  PrismGT USB 2.0 WLAN
 > 
 > WG111V2_2 is not listed as a device supported by upgt in
 > /sys/dev/usb/wlan/if_upgt.c, so it needs to be added: UPGT_DEV(NETGEAR,
 > WG111V2_2),
 > 
 > Attached patch provides this update.
 > 
 > Thread demonstrating this as it was worked out:
 > http://www.daemonforums.org/showthread.php?t=5108
 > 
 > Patch attached with submission follows:
 > 
 > --- /sys/dev/usb/wlan/if_upgt.c.orig	2009-08-03 00:00:00.000000000 +1000
 > +++ /sys/dev/usb/wlan/if_upgt.c	2010-09-22 00:00:00.000000000 +1000
 > @@ -182,6 +182,7 @@
 >  	UPGT_DEV(FSC,		E5400),
 >  	UPGT_DEV(GLOBESPAN,	PRISM_GT_1),
 >  	UPGT_DEV(GLOBESPAN,	PRISM_GT_2),
 > +	UPGT_DEV(NETGEAR,	WG111V2_2),
 >  	UPGT_DEV(INTERSIL,	PRISM_GT),
 >  	UPGT_DEV(SMC,		2862WG),
 >  	UPGT_DEV(WISTRONNEWEB,	UR045G),
 > 
 > >Release-Note:
 > >Audit-Trail:
 > 
 > >Unformatted:
 
 See USB P4 change #184338.
 
 --HPS