From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailsrv5-bkp2.dondominio.net ([37.152.88.47]:34008 "EHLO mailsrv5.dondominio.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751082AbbCZJdP (ORCPT ); Thu, 26 Mar 2015 05:33:15 -0400 Message-ID: <5513D29E.2080601@aoifes.com> (sfid-20150326_103319_367646_B2AE9C73) Date: Thu, 26 Mar 2015 10:34:22 +0100 From: Jose Antonio Delgado Alfonso MIME-Version: 1.0 To: Michal Kazior CC: Kalle Valo , linux-wireless , "ath10k@lists.infradead.org" Subject: Re: Dynamic channel Access References: <55128DF0.6010109@aoifes.com> <5512D58B.6030204@aoifes.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 26/03/15 07:30, Michal Kazior wrote: > On 25 March 2015 at 16:34, Jose Antonio Delgado Alfonso > wrote: >> Hi all, >> >> I would like to ask Qualcomm's collaborators about this topic. >> >> We are trying to certify a AP product which uses QCA988x radio module. >> We are using the ath10k driver (kernel v3.17.8) and firmware from Ben >> Greear. We are trying to pass the Dynamic Channel test, which consists >> in setting the radio at 80MHz and, at the same time, setting other >> signal in the secondary channel. So far, the radio module does not >> reduce the bandwidth and remains transmitting at 80MHz. >> >> Please, Does someone know if Dynamic Channel Access is really supported >> by ath10k driver in newest kernel versions? > You haven't really defined what kind of "other signal" you set up. > ath10k sets/enables dynamic_bw wmi parameter in ath10k_start(). From > what I know dynamic_bw does enable fw/hw to downgrade traffic from > 80MHz to 40MHz in case there's other 802.11 traffic on the subband > happening at least on 10.1.467 - not sure about non-802.11 traffic. I > suppose newer firmware revisions do that too. I'm not sure about > 999.999.0.636 though. > > > Michał > > _______________________________________________ > ath10k mailing list > ath10k@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/ath10k I tested with other AP and also with a signal generator emitting a flat noise of 20 MHz continuously. I will check how function ath10k_start is implemented in my kernel tree and if that parameter is really enabled on my setup. Thanks. Jose A. Delgado From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailsrv5-bkp2.dondominio.net ([37.152.88.47] helo=mailsrv5.dondominio.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yb4AS-0000tD-99 for ath10k@lists.infradead.org; Thu, 26 Mar 2015 09:33:38 +0000 Message-ID: <5513D29E.2080601@aoifes.com> Date: Thu, 26 Mar 2015 10:34:22 +0100 From: Jose Antonio Delgado Alfonso MIME-Version: 1.0 Subject: Re: Dynamic channel Access References: <55128DF0.6010109@aoifes.com> <5512D58B.6030204@aoifes.com> In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Michal Kazior Cc: Kalle Valo , linux-wireless , "ath10k@lists.infradead.org" T24gMjYvMDMvMTUgMDc6MzAsIE1pY2hhbCBLYXppb3Igd3JvdGU6Cj4gT24gMjUgTWFyY2ggMjAx NSBhdCAxNjozNCwgSm9zZSBBbnRvbmlvIERlbGdhZG8gQWxmb25zbwo+IDxqb3NlLmRlbGdhZG9A YW9pZmVzLmNvbT4gd3JvdGU6Cj4+IEhpIGFsbCwKPj4KPj4gSSB3b3VsZCBsaWtlIHRvIGFzayBR dWFsY29tbSdzIGNvbGxhYm9yYXRvcnMgYWJvdXQgdGhpcyB0b3BpYy4KPj4KPj4gV2UgYXJlIHRy eWluZyB0byBjZXJ0aWZ5IGEgQVAgcHJvZHVjdCB3aGljaCB1c2VzIFFDQTk4OHggcmFkaW8gbW9k dWxlLgo+PiBXZSBhcmUgdXNpbmcgdGhlIGF0aDEwayBkcml2ZXIgKGtlcm5lbCB2My4xNy44KSBh bmQgZmlybXdhcmUgZnJvbSBCZW4KPj4gR3JlZWFyLiBXZSBhcmUgdHJ5aW5nIHRvIHBhc3MgdGhl IER5bmFtaWMgQ2hhbm5lbCB0ZXN0LCB3aGljaCBjb25zaXN0cwo+PiBpbiBzZXR0aW5nIHRoZSBy YWRpbyBhdCA4ME1IeiBhbmQsIGF0IHRoZSBzYW1lIHRpbWUsIHNldHRpbmcgb3RoZXIKPj4gc2ln bmFsIGluIHRoZSBzZWNvbmRhcnkgY2hhbm5lbC4gU28gZmFyLCB0aGUgcmFkaW8gbW9kdWxlIGRv ZXMgbm90Cj4+IHJlZHVjZSB0aGUgYmFuZHdpZHRoIGFuZCByZW1haW5zIHRyYW5zbWl0dGluZyBh dCA4ME1Iei4KPj4KPj4gUGxlYXNlLCBEb2VzIHNvbWVvbmUga25vdyBpZiBEeW5hbWljIENoYW5u ZWwgQWNjZXNzIGlzIHJlYWxseSBzdXBwb3J0ZWQKPj4gYnkgYXRoMTBrIGRyaXZlciBpbiBuZXdl c3Qga2VybmVsIHZlcnNpb25zPwo+IFlvdSBoYXZlbid0IHJlYWxseSBkZWZpbmVkIHdoYXQga2lu ZCBvZiAib3RoZXIgc2lnbmFsIiB5b3Ugc2V0IHVwLgo+IGF0aDEwayBzZXRzL2VuYWJsZXMgZHlu YW1pY19idyB3bWkgcGFyYW1ldGVyIGluIGF0aDEwa19zdGFydCgpLiBGcm9tCj4gd2hhdCBJIGtu b3cgZHluYW1pY19idyBkb2VzIGVuYWJsZSBmdy9odyB0byBkb3duZ3JhZGUgdHJhZmZpYyBmcm9t Cj4gODBNSHogdG8gNDBNSHogaW4gY2FzZSB0aGVyZSdzIG90aGVyIDgwMi4xMSB0cmFmZmljIG9u IHRoZSBzdWJiYW5kCj4gaGFwcGVuaW5nIGF0IGxlYXN0IG9uIDEwLjEuNDY3IC0gbm90IHN1cmUg YWJvdXQgbm9uLTgwMi4xMSB0cmFmZmljLiBJCj4gc3VwcG9zZSBuZXdlciBmaXJtd2FyZSByZXZp c2lvbnMgZG8gdGhhdCB0b28uIEknbSBub3Qgc3VyZSBhYm91dAo+IDk5OS45OTkuMC42MzYgdGhv dWdoLgo+Cj4KPiBNaWNoYcWCCj4KPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwo+IGF0aDEwayBtYWlsaW5nIGxpc3QKPiBhdGgxMGtAbGlzdHMuaW5mcmFk ZWFkLm9yZwo+IGh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vYXRo MTBrCkkgdGVzdGVkIHdpdGggb3RoZXIgQVAgYW5kIGFsc28gd2l0aCBhIHNpZ25hbCBnZW5lcmF0 b3IgZW1pdHRpbmcgYSBmbGF0Cm5vaXNlIG9mIDIwIE1IeiBjb250aW51b3VzbHkuCgpJIHdpbGwg Y2hlY2sgaG93IGZ1bmN0aW9uIGF0aDEwa19zdGFydCBpcyBpbXBsZW1lbnRlZCBpbiBteSBrZXJu ZWwgdHJlZQphbmQgaWYgdGhhdCBwYXJhbWV0ZXIgaXMgcmVhbGx5IGVuYWJsZWQgb24gbXkgc2V0 dXAuCgpUaGFua3MuCgpKb3NlIEEuIERlbGdhZG8KCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCmF0aDEwayBtYWlsaW5nIGxpc3QKYXRoMTBrQGxpc3RzLmlu ZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9h dGgxMGsK