Return-path: Received: from vserver.eikelenboom.it ([84.200.39.61]:56501 "EHLO smtp.eikelenboom.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753368Ab3LPLWM (ORCPT ); Mon, 16 Dec 2013 06:22:12 -0500 Date: Mon, 16 Dec 2013 12:22:00 +0100 From: Sander Eikelenboom Message-ID: <1937118387.20131216122200@eikelenboom.it> (sfid-20131216_122235_756563_52758149) To: "Luis R. Rodriguez" CC: "Berg, Johannes" , "Grumbach, Emmanuel" , "linux-kernel@vger.kernel.org" , "ilw@linux.intel.com" , "netdev@vger.kernel.org" , "linux-wireless@vger.kernel.org" , "John W. Linville" Subject: Re: [cfg80211 / iwlwifi] setting wireless regulatory domain doesn't work. In-Reply-To: References: <1507831110.20131018194349@eikelenboom.it> <792757788.20131023142849@eikelenboom.it> <1819533168.20131211161710@eikelenboom.it> <1818324675.20131211175350@eikelenboom.it> <1342235583.20131211182804@eikelenboom.it> <871324710.20131211191104@eikelenboom.it> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Wednesday, December 11, 2013, 7:38:50 PM, you wrote: > On Wed, Dec 11, 2013 at 7:11 PM, Sander Eikelenboom > wrote: >> >> Wednesday, December 11, 2013, 6:53:07 PM, you wrote: >> >>> The best way to address all this is by automatic region awareness and >>> doing the right thing on devices, this however requires good >>> architecture / calibration data / etc and all that needs to be >>> verified by the system integrators, and finally they need to be >>> certified. If you want to hack your firmware and software go at it, >>> just be aware there are reasons for things. >> >> Well the general problem seems to be "we don't trust the user" so we FORCE him to the lowest >> common denominator (without a way to overrule that) so he is forced to operate *well* within the law. > Its simply stupid to have the user be involved, period, the fact that > a user would be involved should only be for testing or helping > compliance for a busted device, development, research and obviously > hacking. Linux allows all these but by default a device with firmware > and a custom regdomain that will barf if you try to use a channel that > is not allowed is a restriction in firmware. Feel free to reverse > engineer that if you don't like it but it just won't be supported or > go upstream. Now, the common denominator is generally optimized for > best performance as well so you shouldn't have to do anything, and for > APs -- this is typically carefully crafted for a region, also highly > optimized. >>>>> It doesn't seem like you are getting your original requests getting >>>>> processed, so I don't think CRDA is passing it. Can you verify running >>>>> from CRDA code: >>>> >>>> They don't get processed unless i remove the return from the code as i indicated. >>>> If i remove that return it processes the request. >>>> >>>>> ./regdbdump /usr/lib/crda/regulatory.bin >>>> >>>> Although it's in a different location on Debian, /lib/crda/regulatory.bin >>>> the dump seems fine. >> >>> OK thanks. Can you send a patch of what exact change you made, it was >>> unclear from the paste you made. >> >>> diff -u file.c.orig file.c >> >> Well i just did a pull from wireless-next, to try Avinash Patil's patch. >> net/wireless/reg.c had already changed much so i couldn't apply his patch without. >> >> With his patch it sets the regulatory domain, although as now expected i still can not use channels 12 and 13 yet, >> probably due to those firmware restrictions. > Its unclear what results you got, and yeah if the device is restricted > then its just the fw telling the driver its channels and you can't use > them. That's it. You won't be able to override information then unless > you hack the firmware Ping ? Is there anymore information you need to *fix* the problem ? > Luis