From patchwork Sun Jan 31 11:06:22 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emmanuel Grumbach X-Patchwork-Id: 8173521 X-Patchwork-Delegate: kvalo@adurom.com 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 529E1BEEE5 for ; Sun, 31 Jan 2016 11:07:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8EFBF202FE for ; Sun, 31 Jan 2016 11:07:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B284B202F0 for ; Sun, 31 Jan 2016 11:07:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757343AbcAaLHA (ORCPT ); Sun, 31 Jan 2016 06:07:00 -0500 Received: from mga04.intel.com ([192.55.52.120]:28518 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757268AbcAaLG7 (ORCPT ); Sun, 31 Jan 2016 06:06:59 -0500 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP; 31 Jan 2016 03:06:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,374,1449561600"; d="scan'208";a="644590995" Received: from egrumbacbox.jer.intel.com ([10.12.127.71]) by FMSMGA003.fm.intel.com with ESMTP; 31 Jan 2016 03:06:59 -0800 From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Gregory Greenman , Emmanuel Grumbach Subject: [PATCH 27/31] iwlwifi: mvm: rs: fix TPC action decision algorithm Date: Sun, 31 Jan 2016 13:06:22 +0200 Message-Id: <1454238386-27032-27-git-send-email-emmanuel.grumbach@intel.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <0BA3FCBA62E2DC44AF3030971E174FB32E9F363A@hasmsx107.ger.corp.intel.com> References: <0BA3FCBA62E2DC44AF3030971E174FB32E9F363A@hasmsx107.ger.corp.intel.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=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, 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: Gregory Greenman Decreasing Tx power is allowed only when success ratio is above the threshold defined in the algorithm. Add this condition. Signed-off-by: Gregory Greenman Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/intel/iwlwifi/mvm/rs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 7bb6fd0..986e12a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -2040,7 +2040,8 @@ static enum tpc_action rs_get_tpc_action(struct iwl_mvm *mvm, } /* try decreasing first if applicable */ - if (weak != TPC_INVALID) { + if (sr >= RS_PERCENT(IWL_MVM_RS_TPC_SR_NO_INCREASE) && + weak != TPC_INVALID) { if (weak_tpt == IWL_INVALID_VALUE && (strong_tpt == IWL_INVALID_VALUE || current_tpt >= strong_tpt)) {