Return-path: Received: from mail-yk0-f173.google.com ([209.85.160.173]:33593 "EHLO mail-yk0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751579AbaKGO2E convert rfc822-to-8bit (ORCPT ); Fri, 7 Nov 2014 09:28:04 -0500 Received: by mail-yk0-f173.google.com with SMTP id 20so2339012yks.32 for ; Fri, 07 Nov 2014 06:28:03 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: From: Sergey Ryazanov Date: Fri, 7 Nov 2014 18:27:39 +0400 Message-ID: (sfid-20141107_152814_274875_4F16B8E7) Subject: Re: [ath5k-devel] Rookie needs helps with ath5k basics To: =?ISO-8859-1?Q?Hern=E1n_Maximiliano_Gonz=E1lez_Calder=F3n?= Cc: Adrian Chadd , "ath5k-devel@lists.ath5k.org" , "linux-wireless@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Cc linux-wireless since Rostislav Lisovy just working on adding 802.11p to the stack. 2014-11-07 16:49 GMT+03:00 Hern?n Maximiliano Gonz?lez Calder?n : > Hello everyone, > > I am still working to adapt the ath5k module to transmit in the > 5850..5925GHz range, in order to comply with IEEE 802.11p requirements. Our > plan is to liberate the code to the community as soon as we develop it. > > I have already compiled a new regdomains database with wireless-regdb and > crda, and we are using the module in ATH5K_TEST_CHANNELS mode. The database > is now defined as follows: > > (2402 - 2472 @ 40), (3, 27) > (5170 - 5250 @ 40), (3, 17) > (5250 - 5330 @ 40), (3, 20) > (5490 - 5600 @ 40), (3, 20) > (5650 - 5710 @ 40), (3, 20) > (5735 - 5835 @ 40), (3, 30) > (5835 - 5925 @ 10), (3, 30) > > However, when I execute "iw wlan1 ibss join TFG 5850" it returns the -22 > error number, indicating that we are using a frequency not defined. > > 2014-02-19 17:22 GMT+01:00 Hern?n Maximiliano Gonz?lez Calder?n > : >> >> Thanks for the quick reply and sorry for not giving an answer until now, >> but first I had to talk with my project advisor. The reason we chose ath5k >> was that the cards we bought used it and all information we gather about >> this kind of projects were related to that driver. >> >> I also have talked with my advisor and whatever we accomplish will come >> back to the community. >> >> I am just starting with the project and I am needing some guides, the tips >> and info you all gave me will be very helpful. I will keep on working and >> will tell you if I get something done. >> >> Thanks a lot, >> Hern?n M. G. C. >> >> >> 2014-02-18 2:03 GMT+01:00 Adrian Chadd : >>> >>> ... because some of the 802.11p NICs are actually ath5k NICs that have >>> the relevant bandpass filters for 5.9GHz and high output amplifiers. >>> >>> >>> >>> -a >>> >>> >>> On 17 February 2014 01:27, Holger Schurig >>> wrote: >>> > Okay, I admit that I cannot help you, I have no clue on the driver >>> > level. >>> > >>> > But maybe I can help with the methodology. :-) >>> > >>> > You mention 802.11p (car-to-car-communication). Is there any specific >>> > reason you base it on ath5k and not on ath9k? If you look at the >>> > number of commits, then you should see that ath9k is much more lively. >>> > People are actively working with that code and might be able to be >>> > answer more specific questions. >>> > Another thing that I noted: I have seen over the years many requests >>> > of information from uni projects in this mailing list. But I'm quite >>> > unsure if ever something came back into the Linux kernel. How do you >>> > plan to tackle that? I have the feeling that people are more likely >>> > to cooperate if the work doesn't end up in yet another black hole ... >>> > >>> > And one tip: ask specific questions, not broad ones. For example, look >>> > at what features you need to implement 802.11p. Now look at what OSI >>> > level this has to be done, e.g. at hardware level (frequency, >>> > bandwidth), driver level, or protocoll layer (mac80211, user-space >>> > layer (e.g. wpa_supplicant). That would allow you to ask questions not >>> > like "Tell me everything", but "Oh, I need to do XYZ, where can I do >>> > it?". It might even help you in finding your way, e.g. by looking into >>> > git commits inside the ath/ath9k subdirectories that might have >>> > something to do with what you need. >>> > _______________________________________________ >>> > ath5k-devel mailing list >>> > ath5k-devel@lists.ath5k.org >>> > https://lists.ath5k.org/mailman/listinfo/ath5k-devel -- BR, Sergey