In message <20180603174401.rbxa3fcnuopro...@squirrel.exwg.net>,
Christoph Moenc
h-Tegeder writes:
> ## Adam (amvandem...@gmail.com):
>
> > > 3. ifconfing wlan0 scan still doesn't show my 5Ghz only APs (at least som
> e
> > > I tested)
> >
> > I don't believe the iwn driver is capable of 5gz. At least mine doesn't
> > work on CURRENT.
>
> The iwn driver has code for 5GHz (I've no idea if that's complete).
> But looking at that reminded me: there are many "iwn" devices, including
> some having "BGN" appended to their names - I'd guess those devices
> don't support 5GHz aka 11a mode.
My iwn device (iwn0: <Intel Centrino Advanced-N 6205>) supports 5 GHz.
I just disabled my 2.4 GHz APs and reassociated:
wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
1500
ether <MY_ETHER>
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: IEEE 802.11 Wireless Ethernet MCS mode 11na
status: associated
ssid XXXXXXXX-5G channel 153 (5765 MHz 11a ht/40-) bssid <MY_BSSID>
regdomain FCC country US authmode WPA2/802.11i privacy ON
deftxkey UNDEF AES-CCM 2:128-bit txpower 23 bmiss 120 mcastrate 6
mgmtrate 6 scanvalid 16959 ampdulimit 64k ampdudensity 8
-amsdutx amsdurx shortgi -stbc -ldpc wme roaming MANUAL
groups: wlan
Some devices do and others don't. For example, I have an ath card for
this same laptop (I swapped out my iwn card for an ath card for a short
while) that supports station mode (BTW iwn firmware doesn't),
discovering my ath device firmware does not support 5 GHz. I suspect
that some iwn devices may be similarly "crippled", though the driver
supports 5 GHz the firmware does not. My point is it's not a binary
issue. You may need to Google your particular card to determine if the
manufacturer has implemented the feature or not. I did for my ath card
discovering not all implementations are equal. I wouldn't be surprised
this might be true of iwn as well.
--
Cheers,
Cy Schubert <cy.schub...@cschubert.com>
FreeBSD UNIX: <c...@freebsd.org> Web: http://www.FreeBSD.org
The need of the many outweighs the greed of the few.
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