From patchwork Mon Dec 2 20:59:17 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emmanuel Grumbach X-Patchwork-Id: 3270561 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 8A0E6C0D4B for ; Mon, 2 Dec 2013 21:00:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6797220259 for ; Mon, 2 Dec 2013 21:00:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 78E8D20257 for ; Mon, 2 Dec 2013 21:00:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758832Ab3LBU7y (ORCPT ); Mon, 2 Dec 2013 15:59:54 -0500 Received: from mail-wg0-f52.google.com ([74.125.82.52]:50067 "EHLO mail-wg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758824Ab3LBU7t (ORCPT ); Mon, 2 Dec 2013 15:59:49 -0500 Received: by mail-wg0-f52.google.com with SMTP id x13so12567599wgg.31 for ; Mon, 02 Dec 2013 12:59:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=HcJU01Chyg0td5i9yeOyuvMDw9mBDK7WieYfR+raME8=; b=QOln71YGAt+8Ja05FjtZiSN8d5G+7tuv2zac5/rejpbNlSJF9Su54hJBeYxF3aMrSq mffhN4awz4yao7VmeuTGH5CDrhwyY5joOMuaE5a2DZQPoio+XC/uCyinw/YCfE1Jn95M xG6pp4BKHsQsXBfl6+eEcAimVfVqCDUypEv+M7qH3lqwz1f5Z5dIVKuK3MIfAi8McQTk O59k5RafYs8qxg0lmnvwS95GIZO00k49jQS1dx0SDND11swT3efdADA4zBh91PUgK7bz eiDq1nBBhleFraYNTwaFfOWsjNNptEHaQ6HNHziqGn4kc47ITucvNF2oH7xfC9YtIXa8 RZMQ== X-Received: by 10.194.93.3 with SMTP id cq3mr55749722wjb.26.1386017988020; Mon, 02 Dec 2013 12:59:48 -0800 (PST) Received: from localhost.localdomain (93-173-143-36.bb.netvision.net.il. [93.173.143.36]) by mx.google.com with ESMTPSA id b7sm126518401wiz.8.2013.12.02.12.59.46 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 02 Dec 2013 12:59:47 -0800 (PST) From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Eyal Shapira , Emmanuel Grumbach Subject: [PATCH 05/13] iwlwifi: mvm: rs: increase stay in column timeout Date: Mon, 2 Dec 2013 22:59:17 +0200 Message-Id: <1386017965-13641-5-git-send-email-egrumbach@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <529CF2D6.1080008@gmail.com> References: <529CF2D6.1080008@gmail.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham 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 From: Eyal Shapira Remain in the same Tx modulation (i.e. column) for a longer time before starting a search cycle for a better modulation. This has been shown to give better results. Also change the name of the timeout define to better match its description. Signed-off-by: Eyal Shapira Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/mvm/rs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index a289b77..9249e52 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -52,8 +52,8 @@ /* max allowed rate miss before sync LQ cmd */ #define IWL_MISSED_RATE_MAX 15 -/* max time to accum history 2 seconds */ -#define IWL_RATE_SCALE_FLUSH_INTVL (3*HZ) +#define RS_STAY_IN_COLUMN_TIMEOUT (5*HZ) + static u8 rs_ht_to_legacy[] = { [IWL_RATE_1M_INDEX] = IWL_RATE_6M_INDEX, @@ -1599,7 +1599,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search) flush_interval_passed = time_after(jiffies, (unsigned long)(lq_sta->flush_timer + - IWL_RATE_SCALE_FLUSH_INTVL)); + RS_STAY_IN_COLUMN_TIMEOUT)); /* * Check if we should allow search for new modulation mode.