Re: [ath9k-devel] 'Superchannel'?

2011-08-28 Thread David Goodenough
On Sunday 28 Aug 2011, Adrian Chadd wrote:
 Guys (and girls, and fuzzy others..)
 
 I'll do some poking of my atheros contacts and see what can be found.
 Alex/Alex/Jerry, please follow up with me privately.
 
 
 
 Adrian
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Could I make a request.

One of the things that would be useful as a result of doing this work
would a standard way for people with licences to extend the range as
defined by CRDA.  In the case discussed here it is a HAM licence for
frequencies below 2.4GHz, in my case the area of interest is what is
known as Band C here in the UK at 5.8GHz.  You do need a licence (£1
per station per year to a minimum of £50 per year) from Ofcom (our FCC)
but it is easy to obtain.  The 5.8 band users are also allowed more
power than you would be in the normal 802.11a band.

Once that standard way (preferably without rebuilding the kernel) has
been defined it should be made public with lots of caviats written 
around it saying that this can only be used if you posess a licence 
and that you are personally liable for its misuse.

David
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Re: [ath9k-devel] 'Superchannel'?

2011-08-28 Thread Jerald A DeLong
On Sun, 2011-08-28 at 11:04 +0100, David Goodenough wrote:
 On Sunday 28 Aug 2011, Adrian Chadd wrote:
  Guys (and girls, and fuzzy others..)
  
  I'll do some poking of my atheros contacts and see what can be
 found.
  Alex/Alex/Jerry, please follow up with me privately.
  
  
  
  Adrian
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 Could I make a request.
 
 One of the things that would be useful as a result of doing this work
 would a standard way for people with licences to extend the range as
 defined by CRDA.  In the case discussed here it is a HAM licence for
 frequencies below 2.4GHz, in my case the area of interest is what is
 known as Band C here in the UK at 5.8GHz.  You do need a licence (£1
 per station per year to a minimum of £50 per year) from Ofcom (our
 FCC)
 but it is easy to obtain.  The 5.8 band users are also allowed more
 power than you would be in the normal 802.11a band.
 
 Once that standard way (preferably without rebuilding the kernel) has
 been defined it should be made public with lots of caviats written 
 around it saying that this can only be used if you posess a licence 
 and that you are personally liable for its misuse.
 
 David
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David,

A standard would be nice but can it be done without opening the Pandora
box for misuse. 

US Amateur also have privileges in the 5cm band which overlaps the the 5
Ghz ISM band. We are secondary users of this band with little power
restriction other than not causing interference to other user of this
spectrum.

It would be nice to see a open source solution without having to buy
more expensive commercial gear.


Jerry
 


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[ath9k-devel] ath9k stalls every 30 seconds unless disable_ani = 1

2011-08-28 Thread Caleb Hearon
Hi all,

I just read Robert Högberg's thread on this mailing list and just wanted to 
verify that the exact same problem happens with my wireless NIC too.  I 
compiled ath9k using compat-wireless.  

My card has the AR5008 chipset and is PCI.  The vendor is D-Link, I believe the 
model is DWA-552.  As soon as I echo 1 into disable_ani the problem goes away.

Hope this helps development, let me know if any more details are needed.

Caleb
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Re: [ath9k-devel] Maximum Radio Limit?

2011-08-28 Thread Alex Hacker
On Fri, Aug 26, 2011 at 11:27:26AM -0700, Galen wrote:
 Provided that enough PCIe ports are available, along with sufficient memory
 and CPU, is there any limit to the number of radios that can be supported by
 ath9k and mac80211? Are there any design bottlenecks in the software that
 would be problematic in the context of a system with 100s of ath9k radio
 modules from being active simultaneously?
 
 -Galen

Hi Galen!
What you trying to build? This is a military or intelligence project? :)
Such crazy platform should be expensive, thousands of USD I think.

Regards,
Alex.
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