From patchwork Tue Mar 31 18:16:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Oh X-Patchwork-Id: 6133301 Return-Path: X-Original-To: patchwork-ath10k@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5EB20BF4A7 for ; Tue, 31 Mar 2015 18:18:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 80459201C8 for ; Tue, 31 Mar 2015 18:18:29 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C684B201B4 for ; Tue, 31 Mar 2015 18:18:22 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yd0js-00045o-29; Tue, 31 Mar 2015 18:18:12 +0000 Received: from wolverine01.qualcomm.com ([199.106.114.254]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yd0jn-0003y1-Ct for ath10k@lists.infradead.org; Tue, 31 Mar 2015 18:18:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=qca.qualcomm.com; i=@qca.qualcomm.com; q=dns/txt; s=qcdkim; t=1427825887; x=1459361887; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=FX6aUhwytiKCTrgmtO9Ix+iFd9JwvnNRvw8TSOLwvcQ=; b=Rhu3h2F68IJkBMYCe1B1Rlp1jaH4WjzeMpUKhrVCFENDNkXZe7kjIOwZ vvz7GCJSr+CfScQFdSdoQaVmSwEPKPgdqSQRh6u1hrmRIsbe4Ks/LV8tm d5YdeAz30AunburPYPGWSUP+6xl4WNScKAeGaz2rTuc7ogyqoRYQ9tnsa 8=; X-IronPort-AV: E=McAfee;i="5700,7163,7757"; a="111152883" Received: from ironmsg01-lv.qualcomm.com ([10.47.202.180]) by wolverine01.qualcomm.com with ESMTP; 31 Mar 2015 11:17:44 -0700 X-IronPort-AV: E=Sophos;i="5.11,502,1422950400"; d="scan'208";a="32747633" Received: from nasanexm01b.na.qualcomm.com ([10.85.0.82]) by ironmsg01-lv.qualcomm.com with ESMTP/TLS/RC4-SHA; 31 Mar 2015 11:17:44 -0700 Received: from poh-linux2.qualcomm.com (10.80.80.8) by NASANEXM01B.na.qualcomm.com (10.85.0.82) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Tue, 31 Mar 2015 11:17:37 -0700 From: Peter Oh To: Subject: [PATCH 2/2] ath: lower JP W53 band DFS detection threshold around 30% Date: Tue, 31 Mar 2015 11:16:25 -0700 Message-ID: <1427825785-21389-2-git-send-email-poh@qca.qualcomm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1427825785-21389-1-git-send-email-poh@qca.qualcomm.com> References: <1427825785-21389-1-git-send-email-poh@qca.qualcomm.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: NASANEXM01F.na.qualcomm.com (10.85.0.32) To NASANEXM01B.na.qualcomm.com (10.85.0.82) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150331_111807_603153_A2A2C734 X-CRM114-Status: UNSURE ( 8.03 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.1 (-----) Cc: linux-wireless@vger.kernel.org X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "ath10k" Errors-To: ath10k-bounces+patchwork-ath10k=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Japan's W53 band requires 50% data traffic during its DFS test, but WLAN baseband used by ath9k and ath10k is not able to achieve current threshold rate, 50%, under the data traffic rate. In other words, HW occasionally fails detecting radar pulses, so that SW cannot get enough radar reports to achieve the rate. Signed-off-by: Peter Oh --- drivers/net/wireless/ath/dfs_pattern_detector.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/dfs_pattern_detector.c b/drivers/net/wireless/ath/dfs_pattern_detector.c index 8d1e082..7ad1932 100644 --- a/drivers/net/wireless/ath/dfs_pattern_detector.c +++ b/drivers/net/wireless/ath/dfs_pattern_detector.c @@ -105,8 +105,8 @@ static const struct radar_types fcc_radar_types = { PPB_THRESH_JP(PPB, RATE), PRI_TOLERANCE, CHIRP \ } static const struct radar_detector_specs jp_radar_ref_types[] = { - JP_PATTERN(0, 0, 1, 1428, 1428, 1, 18, 50, false), - JP_PATTERN(1, 2, 3, 3846, 3846, 1, 18, 50, false), + JP_PATTERN(0, 0, 1, 1428, 1428, 1, 18, 29, false), + JP_PATTERN(1, 2, 3, 3846, 3846, 1, 18, 29, false), JP_PATTERN(2, 0, 1, 1388, 1388, 1, 18, 50, false), JP_PATTERN(3, 1, 2, 4000, 4000, 1, 18, 50, false), JP_PATTERN(4, 0, 5, 150, 230, 1, 23, 50, false),