From owner-freebsd-current@freebsd.org  Tue Aug 18 09:22:37 2015
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Date: Tue, 18 Aug 2015 17:21:49 +0800
From: Kevin Lo <kevlo@FreeBSD.org>
To: Anton Shterenlikht <mexas@bris.ac.uk>
Cc: freebsd-current@freebsd.org, glebius@FreeBSD.org,
 freebsd-questions@freebsd.org
Subject: Re: urtwn: ioctl[SIOCS80211, op=16, arg_len=0]: Invalid argument
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 <201508180917.t7I9Hdas018627@mech-as222.men.bris.ac.uk>
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On Tue, Aug 18, 2015 at 10:17:39AM +0100, Anton Shterenlikht wrote:
> >From kevlo@ns.kevlo.org Tue Aug 18 09:59:59 2015
> 
> >> A> urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R
> >> 
> >> You need to create a wlan(4) interface and run wpa_supplicant on it.
> 
> ok, my bad, sorry.
> 
> >You also have to run kldload urtwn-rtl8192cfwT or add this to
> >/boot/loader.conf:
> >
> >urtwn-rtl8192cfwT_load="YES"
> 
> yes, missed that too.
> 
> Shouldn't it be urtwn-rtl8188eufw_load="YES"?

Nope.  Your device is RTL8188CU not RTL8188EU.

> Thank you
> 
> Anton

	Kevin