From patchwork Thu Feb 12 21:17:05 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Oh X-Patchwork-Id: 5822231 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 0AA96BF440 for ; Thu, 12 Feb 2015 21:19:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1EEAF2011D for ; Thu, 12 Feb 2015 21:19:15 +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 4F12020220 for ; Thu, 12 Feb 2015 21:19:13 +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 1YM19y-0006SW-95; Thu, 12 Feb 2015 21:18:54 +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 1YM19w-0006Os-Fg for ath10k@lists.infradead.org; Thu, 12 Feb 2015 21:18:53 +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=1423775933; x=1455311933; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=WJ+9QZGqXyRKtSSgGapmrCKIMF5YxTR9z/ALuxM48Bg=; b=TdBazZvAVgIW+uMmdJpKY8jZ9VLRCdn/mo5EneIkDC+iOEcPgERd3hLE VDmDetFSd8lSukygsg/IC3oZqjzbZ1B01Aw2TLo/k5ngZ6ul0kz4vZWzc DoxnN9Up4Yrv0Okfh0Da0oTwk4IpxgJMzg3oLgSsAyalrl3uUH2iWjTGC w=; X-IronPort-AV: E=McAfee;i="5600,1067,7710"; a="103355108" Received: from ironmsg03-l.qualcomm.com ([172.30.48.18]) by wolverine01.qualcomm.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 12 Feb 2015 13:18:31 -0800 X-IronPort-AV: E=Sophos;i="5.09,567,1418112000"; d="scan'208";a="839304321" Received: from nasanexm01b.na.qualcomm.com ([10.85.0.82]) by Ironmsg03-L.qualcomm.com with ESMTP/TLS/RC4-SHA; 12 Feb 2015 13:18:31 -0800 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 15.0.995.29; Thu, 12 Feb 2015 13:18:29 -0800 From: Peter Oh To: Subject: [PATCH 3/3] ath: Enhance radar detection by looking up chirp Date: Thu, 12 Feb 2015 13:17:05 -0800 Message-ID: <1423775825-19498-3-git-send-email-poh@qca.qualcomm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1423775825-19498-1-git-send-email-poh@qca.qualcomm.com> References: <1423775825-19498-1-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-20150212_131852_561964_2D01D9FF X-CRM114-Status: UNSURE ( 6.98 ) 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 Certain radar types such as FCC radar type 5 are using chirp in their pulses, hence looking up the chirp status will enhance to avoid false radar detection. Signed-off-by: Peter Oh --- drivers/net/wireless/ath/dfs_pri_detector.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/ath/dfs_pri_detector.c b/drivers/net/wireless/ath/dfs_pri_detector.c index 43b6081..1b5ad19 100644 --- a/drivers/net/wireless/ath/dfs_pri_detector.c +++ b/drivers/net/wireless/ath/dfs_pri_detector.c @@ -390,6 +390,10 @@ static struct pri_sequence *pri_detector_add_pulse(struct pri_detector *de, if ((ts - de->last_ts) < rs->max_pri_tolerance) /* if delta to last pulse is too short, don't use this pulse */ return NULL; + /* radar detector spec needs chirp, but not detected */ + if (rs->chirp && rs->chirp != event->chirp) + return NULL; + de->last_ts = ts; max_updated_seq = pseq_handler_add_to_existing_seqs(de, ts);