Return-path: Received: from s3.sipsolutions.net ([5.9.151.49]:48387 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751876AbbJPUYY (ORCPT ); Fri, 16 Oct 2015 16:24:24 -0400 Message-ID: <1445027060.2370.25.camel@sipsolutions.net> (sfid-20151016_222427_807056_342E531F) Subject: Re: [RFC PATCH 1/2] cfg80211: Add support for ITS-G5 band (5.9 GHz) From: Johannes Berg To: Michal Sojka , Jan Kaisrlik , wireless-regdb@lists.infradead.org Cc: linux-wireless@vger.kernel.org, bernd.lehmann@volkswagen.de, jan-niklas.meier@volkswagen.de, s.sander@nordsys.de Date: Fri, 16 Oct 2015 22:24:20 +0200 In-Reply-To: <87h9lqeplf.fsf@steelpick.2x.cz> References: <1444994885-21825-1-git-send-email-kaisrja1@fel.cvut.cz> <1444997197.2370.22.camel@sipsolutions.net> <87h9lqeplf.fsf@steelpick.2x.cz> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, > I thought that the regdb is for unlicensed bands with unrestricted use. > The 5.9 GHz band is not licensed but it is restricted for ITS > applications. It kind of is, at least the current one is. > In http://marc.info/?l=linux-wireless&m=140183393707445&w=2 > Luis Rodriguez suggested that having a Kconfig option may be the way to > go, but we may misread what he was saying. I didn't really follow this. > I assume that if this band will be in regdb, it will be too easy to use > this band (e.g. by mistake) for non-ITS applications. Does the *regulatory* actually prohibit that anyway though? > Our goal is to make it easier for people to experiment with ITS in > controlled environment (e.g. in a university lab). So you suggest that > this should be enabled by providing custom regdb rather than recompiling > the kernel with CFG80211_CERTIFICATION_ONUS? Yes, that was exactly my thought. johannes