TP-LINK TL-WN821N

[Carlos Jacobo Puga Medina]

On Wed, 9 Jul 2014 18:02:29 +0800
Kevin Lo <kevlo at FreeBSD.org> wrote:

> On Tue, Jul 08, 2014 at 12:45:50PM +0200, Carlos Jacobo Puga Medina wrote:
> > 
> > On Tue, 8 Jul 2014 10:22:20 +0800
> > Kevin Lo <kevlo at FreeBSD.org> wrote:
> > 
> > > On Mon, Jul 07, 2014 at 12:16:12PM -0700, Adrian Chadd wrote:
> > > > 
> > > > On 7 July 2014 12:10, Carlos Jacobo Puga Medina <cpm at fbsd.es> wrote:
> > > > > On Mon, 7 Jul 2014 11:48:36 -0700
> > > > > Adrian Chadd <adrian at freebsd.org> wrote:
> > > > >
> > > > >> I'd just look at porting over the openbsd driver. There's no 11n
> > > > >> support in the openbsd code though!
> > > > >
> > > > > That's bad, I hope that the 802.11n protocol will be implemented since it was released in 2009.
> > > > >
> > > > > What do you recommend to do?
> > > > 
> > > > I'd be happy if the driver showed up from OpenBSD. We can always try
> > > > to add 11n support.
> > > > 
> > > > I'm sorry, I don't have much else to say at the moment and as my day
> > > > job is decidedly not wireless, I can't be much help. :(
> > > 
> > > I'm trying to get D-Link DWA-160 rev. A1 usb wifi adapter working with  
> > > latest OpenBSD snapshot (2014/07/06).  It seems to me that there's a 
> > > problem with otus(4).
> > > 
> > > dmesg:
> > > otus0 at uhub1 port 7 "ATHER USB2.0 WLAN" rev 2.00/1.07 addr 2
> > > otus0: MAC/BBP AR9170, RF AR9104, MIMO 2T2R, address 00:22:b0:57:fc:dc
> > > 
> > > ifconfig otus0 scan doesn't yield any result.
> > > 
> > > # ifconfig otus0 scan
> > > otus0: flags=28802<BROADCAST,SIMPLEX,MULTICAST,NOINET6> mtu 1500
> > >         lladdr 00:22:b0:57:fc:dc
> > >         priority: 4
> > >         groups: wlan
> > >         media: IEEE802.11 autoselect
> > >         status: no network
> > >         ieee80211: nwid ""
> > > 	        none
> > > #
> > > 
> > > > -a
> > > 
> > > 	Kevin
> > 
> > Hi, 
> > 
> > OpenBSD doesn't support 802.11n yet, but some of this cards run in 11g mode for now. So this could be chew better if we work together with them. 
> 
> All OpenBSD wireless drivers don't support .11n yet.
> What I mean is that driver is not stable.  At least for D-Link DWA-160 rev. A1.
> 
> > Anyway if you don't mind I'll send you some outputs from TL-WN821N.
> 
> No, I don't mind. :-)  Thanks.
> 
> > Regards,
> > -- 
> > Carlos Jacobo Puga Medina <cpm at fbsd.es>
> 
> 	Kevin

I'm testing a TL-WN821N v4 device.

# uname -a
FreeBSD box.underbuild.com 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r268070: Tue Jul  1 14:05:40 CEST 2014     root at box.underbuild.com:/usr/obj/usr/src/sys/PROD  i386

# dmesg | grep urtwn0
urtwn0: <vendor 0x0bda product 0x8178, class 0/0, rev 2.00/2.00, addr 3> on usbus2
urtwn0: MAC/BB RTL8192CU, RF 6052 2T2R
urtwn0: timeout waiting for firmware readiness

# usbconfig -u 2 -a 3 dump_device_desc
ugen2.3: <product 0x8178 vendor 0x0bda> at usbus2, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON (500mA)

  bLength = 0x0012 
  bDescriptorType = 0x0001 
  bcdUSB = 0x0200 
  bDeviceClass = 0x0000 
  bDeviceSubClass = 0x0000 
  bDeviceProtocol = 0x0000 
  bMaxPacketSize0 = 0x0040 
  idVendor = 0x0bda 
  idProduct = 0x8178 
  bcdDevice = 0x0200 
  iManufacturer = 0x0001  <retrieving string failed>
  iProduct = 0x0002  <retrieving string failed>
  iSerialNumber = 0x0003  <retrieving string failed>
  bNumConfigurations = 0x0001 

# ifconfig urtwn0
urtwn0: flags=8803<UP,BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 2290
	ether 10:fe:ed:27:f6:5d
	nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
	media: IEEE 802.11 Wireless Ethernet autoselect mode 11g
	status: associated

I noticed that wireless never goes up. Not much luck here, I get the error: 
	urtwn0: timeout waiting for firmware readiness

-- 
Carlos Jacobo Puga Medina <cpm at fbsd.es>