From patchwork Wed Jan 20 07:35:39 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Kemnade X-Patchwork-Id: 8069471 X-Patchwork-Delegate: johannes@sipsolutions.net 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 79B2DBEEE5 for ; Wed, 20 Jan 2016 07:37:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A83CF203A1 for ; Wed, 20 Jan 2016 07:37:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C3C5C20398 for ; Wed, 20 Jan 2016 07:37:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933462AbcATHhd (ORCPT ); Wed, 20 Jan 2016 02:37:33 -0500 Received: from glaubenleben.de ([85.214.105.140]:44443 "EHLO glaubenleben.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758128AbcATHg6 (ORCPT ); Wed, 20 Jan 2016 02:36:58 -0500 Received: from [176.0.132.194] (helo=localhost) by glaubenleben.de with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1aLnJx-0007hI-AZ; Wed, 20 Jan 2016 08:36:49 +0100 Received: from andi by localhost with local (Exim 4.84) (envelope-from ) id 1aLnJZ-0006ZT-Sl; Wed, 20 Jan 2016 08:36:25 +0100 From: Andreas Kemnade To: libertas-dev@lists.infradead.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, hns@goldelico.com Cc: Andreas Kemnade Subject: [PATCH v2 6/6] wireless:libertas: add an cfg80211 interface for powersaving Date: Wed, 20 Jan 2016 08:35:39 +0100 Message-Id: <1453275339-25122-7-git-send-email-andreas@kemnade.info> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1453275339-25122-1-git-send-email-andreas@kemnade.info> References: <1453275339-25122-1-git-send-email-andreas@kemnade.info> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 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 This patch adds an interface for handling commands like iwconfig wlanX power on/off. Such an interface formerly existed when the driver used wext. While performance with sdio in polling mode without using powersave mode is quite bad, powersaving mode is unusable, so do not enable it under such conditions. Signed-off-by: Andreas Kemnade --- changes in v2: reordered, was 3/6 drivers/net/wireless/libertas/cfg.c | 38 +++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index 8317afd..fd18d03 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -2038,6 +2038,43 @@ static int lbs_leave_ibss(struct wiphy *wiphy, struct net_device *dev) +int lbs_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, + bool enabled, int timeout) +{ + struct lbs_private *priv = wiphy_priv(wiphy); + + if (!(priv->fwcapinfo & FW_CAPINFO_PS)) { + if (!enabled) + return 0; + else + return -EINVAL; + } + /* firmware does not work well with too long latency with power saving + * enabled, so do not enable it if there is only polling, no + * interrupts (like in some sdio hosts which can only + * poll for sdio irqs) + */ + if (priv->is_polling) { + if (!enabled) + return 0; + else + return -EINVAL; + } + if (!enabled) { + priv->psmode = LBS802_11POWERMODECAM; + if (priv->psstate != PS_STATE_FULL_POWER) + lbs_set_ps_mode(priv, + PS_MODE_ACTION_EXIT_PS, + true); + return 0; + } + if (priv->psmode != LBS802_11POWERMODECAM) + return 0; + priv->psmode = LBS802_11POWERMODEMAX_PSP; + if (priv->connect_status == LBS_CONNECTED) + lbs_set_ps_mode(priv, PS_MODE_ACTION_ENTER_PS, true); + return 0; +} /* * Initialization @@ -2056,6 +2093,7 @@ static struct cfg80211_ops lbs_cfg80211_ops = { .change_virtual_intf = lbs_change_intf, .join_ibss = lbs_join_ibss, .leave_ibss = lbs_leave_ibss, + .set_power_mgmt = lbs_set_power_mgmt, };