Date: Tue, 2 May 2006 11:17:21 -0300 From: JoaoBR <joao@matik.com.br> To: freebsd-stable@freebsd.org Subject: Re: ath0: ath_chan_set: unable to reset channel 5 (2432 Mhz, flags 0x3e0 hal flags 0x140) Message-ID: <200605021117.22820.joao@matik.com.br> In-Reply-To: <4453F025.90001@errno.com> References: <200604252258.k3PMwJ74026969@monk.cnd.dundas.on.ca> <200604291825.17780.joao@matik.com.br> <4453F025.90001@errno.com>
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On Saturday 29 April 2006 20:00, Sam Leffler wrote: > JoaoBR wrote: > > the 5,3 and 5.8Ghz range is gone > > > > > > this card should show the 2.4b/g range as usual, the 4.9, the 5.3 and t= he > > 5.8 range > > regdomain 18 gives you b/g channels 1-11 and public safety channels in > the range 4942-4985. What you are seeing is that ifconfig does not know > how to handle mapping the public safety channels to ieee channel numbers. > very strange indeed, look what DLink say about this card supposed to have: ftp://ftp10.dlink.com/pdfs/products/DWL-AG530/DWL-AG530_ds.pdf http://www.dlink.com/products/resource.asp?pid=3D306&rid=3D1027&sec=3D0 I believe this regarding redomain codes is also correct 0x10 FCC 0x20 DOC 0x30 ETSI 0x31 Spain 0x32 France 0x40 Japan 0xff debug I believe the 4.9Ghz range is a US only limited range at this time and if=20 regdomain 18 defines this I do not know how I get this cards configured wit= h=20 it, but that certainly is another question if I am not so wrong Dlink pretends with 0x12 to say that the 11a range is= =20 only 5.25Ghz up but NOT any lower as 5.25Ghz 11a range so this is certainly exactly the contrary to what you say regdomain 18 *is*= =20 4.9 but of course I may be wrong and I did not found at this moment the table w= ith=20 regdomain codes and channels in my hurry > > It turns out that handling this correctly is more involved than I > remembered. Not only are the public safety channels special in their > freq<->ieee# mapping but they also require 1/4- and 1/2-speed tx rates. > The linux code handles this but it's done with some awkward code that > I'd prefer to cleanup before integrating into freebsd. Regardless I > suspect most people aren't going to use these channels since they > require a special license (search for "public safety channels" and ok but this may apply to any other channel/frequency as well, what may be f= ree=20 of license in one country does not mean it is or not in another > you'll find the relevant documentation). To be honest I have no idea > why vendors are shipping cards with these channels enabled. > to sell them I guess ;) > I can hack the ath driver to just ignore the public safety channels and > may do that. Otherwise it seems like the best thing is to change the > regdomain in the eeprom (those who don't know how can find it with a > search engine). > probably both are the best choice I guess Jo=E3o A mensagem foi scaneada pelo sistema de e-mail e pode ser considerada segura. Service fornecido pelo Datacenter Matik https://datacenter.matik.com.br
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