From patchwork Sat Oct 26 20:34:14 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 3098801 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 BA2F3BF924 for ; Sat, 26 Oct 2013 20:42:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E05542024F for ; Sat, 26 Oct 2013 20:42:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F364320221 for ; Sat, 26 Oct 2013 20:42:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754094Ab3JZUlZ (ORCPT ); Sat, 26 Oct 2013 16:41:25 -0400 Received: from mail-ee0-f53.google.com ([74.125.83.53]:51141 "EHLO mail-ee0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753793Ab3JZUkk (ORCPT ); Sat, 26 Oct 2013 16:40:40 -0400 Received: by mail-ee0-f53.google.com with SMTP id e51so684807eek.26 for ; Sat, 26 Oct 2013 13:40:39 -0700 (PDT) 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 :mime-version:content-type:content-transfer-encoding; bh=ODSEeZLRXLJVSkDeyxRHAO9RSraE5FI4/p3rFrGspR4=; b=Z+pqIpq+LDiOG46Qheg5JnYOP0uGXPbZKQt78sdHRzZjgqZ2qwhVkUkpZHdD5H9iQh ZJH+/hOgAoIZl/jc9xmUuONdzl4NnvJnLhfgLDG+v7b3GPGZWlsbn9KYIuHUrXMvUPFV +625LG2WoURM9gmVE//Ar/mL9NhVbB2K8AYjGsqMn/KQIEQLyqIEmqkaaWzwuhdfoC4P zYUze8xSOmKP84dC191jnvvTMagq+ngCwy5G2ZIZbv5OEvGQcpNOoThahezL/PAAm4Qi I8OVrQFE9eRukdJLEM1YH3RglvBovinOIWNmHH9QjbhgtunEOcC79o7+o+c/vScuqRwT jr3w== X-Received: by 10.14.241.74 with SMTP id f50mr14136118eer.29.1382820039046; Sat, 26 Oct 2013 13:40:39 -0700 (PDT) Received: from Pali-EliteBook.kolej.mff.cuni.cz (pali.kolej.mff.cuni.cz. [78.128.193.202]) by mx.google.com with ESMTPSA id i1sm35327553eeg.0.2013.10.26.13.40.38 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 26 Oct 2013 13:40:38 -0700 (PDT) From: =?UTF-8?q?Pali=20Roh=C3=A1r?= To: Luciano Coelho , "John W. Linville" , Johannes Berg , "David S. Miller" Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, freemangordon@abv.bg, aaro.koskinen@iki.fi, pavel@ucw.cz, sre@ring0.de, joni.lapilainen@gmail.com, pali.rohar@gmail.com Subject: [PATCH 15/16] wl1251: Add sysfs file tx_mgmt_frm_rate for setting rate Date: Sat, 26 Oct 2013 22:34:14 +0200 Message-Id: <1382819655-30430-16-git-send-email-pali.rohar@gmail.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1382819655-30430-1-git-send-email-pali.rohar@gmail.com> References: <1382819655-30430-1-git-send-email-pali.rohar@gmail.com> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-7.2 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=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 This patch was extracted from Maemo 2.6.28 kernel Signed-off-by: Pali Rohár --- drivers/net/wireless/ti/wl1251/main.c | 152 +++++++++++++++++++++++++++++++++ 1 file changed, 152 insertions(+) diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c index 7b9efc8..29625c2 100644 --- a/drivers/net/wireless/ti/wl1251/main.c +++ b/drivers/net/wireless/ti/wl1251/main.c @@ -1375,6 +1375,147 @@ static const struct ieee80211_ops wl1251_ops = { .get_survey = wl1251_op_get_survey, }; +static ssize_t wl1251_sysfs_show_tx_mgmt_frm_rate(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct wl1251 *wl = dev_get_drvdata(dev); + ssize_t len; + int val; + + /* FIXME: what's the maximum length of buf? page size?*/ + len = 500; + + switch (wl->tx_mgmt_frm_rate) { + /* skip 1 and 12 Mbps because they have same value 0x0a */ + case RATE_2MBPS: + val = 20; + break; + case RATE_5_5MBPS: + val = 55; + break; + case RATE_11MBPS: + val = 110; + break; + case RATE_6MBPS: + val = 60; + break; + case RATE_9MBPS: + val = 90; + break; + case RATE_12MBPS: + val = 120; + break; + case RATE_18MBPS: + val = 180; + break; + case RATE_24MBPS: + val = 240; + break; + case RATE_36MBPS: + val = 360; + break; + case RATE_48MBPS: + val = 480; + break; + case RATE_54MBPS: + val = 540; + break; + default: + val = 10; + } + + /* for 1 and 12 Mbps we have to check the modulation */ + if (wl->tx_mgmt_frm_rate == RATE_1MBPS) { + switch (wl->tx_mgmt_frm_rate) { + case CCK_LONG: + val = 10; + break; + case OFDM: + val = 120; + break; + default: + val = 10; + break; + } + } + len = snprintf(buf, len, "%d", val); + + return len; +} + +static ssize_t wl1251_sysfs_store_tx_mgmt_frm_rate(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct wl1251 *wl = dev_get_drvdata(dev); + unsigned long res; + int ret; + + ret = strict_strtoul(buf, 10, &res); + + if (ret < 0) { + wl1251_warning("incorrect value written to tx_mgmt_frm_rate"); + return 0; + } + + switch (res) { + case 10: + wl->tx_mgmt_frm_rate = RATE_1MBPS; + wl->tx_mgmt_frm_mod = CCK_LONG; + break; + case 20: + wl->tx_mgmt_frm_rate = RATE_2MBPS; + wl->tx_mgmt_frm_mod = CCK_LONG; + break; + case 55: + wl->tx_mgmt_frm_rate = RATE_5_5MBPS; + wl->tx_mgmt_frm_mod = CCK_LONG; + break; + case 110: + wl->tx_mgmt_frm_rate = RATE_11MBPS; + wl->tx_mgmt_frm_mod = CCK_LONG; + break; + case 60: + wl->tx_mgmt_frm_rate = RATE_6MBPS; + wl->tx_mgmt_frm_mod = OFDM; + break; + case 90: + wl->tx_mgmt_frm_rate = RATE_9MBPS; + wl->tx_mgmt_frm_mod = OFDM; + break; + case 120: + wl->tx_mgmt_frm_rate = RATE_12MBPS; + wl->tx_mgmt_frm_mod = OFDM; + break; + case 180: + wl->tx_mgmt_frm_rate = RATE_18MBPS; + wl->tx_mgmt_frm_mod = OFDM; + break; + case 240: + wl->tx_mgmt_frm_rate = RATE_24MBPS; + wl->tx_mgmt_frm_mod = OFDM; + break; + case 360: + wl->tx_mgmt_frm_rate = RATE_36MBPS; + wl->tx_mgmt_frm_mod = OFDM; + break; + case 480: + wl->tx_mgmt_frm_rate = RATE_48MBPS; + wl->tx_mgmt_frm_mod = OFDM; + break; + case 540: + wl->tx_mgmt_frm_rate = RATE_54MBPS; + wl->tx_mgmt_frm_mod = OFDM; + break; + default: + wl1251_warning("incorrect value written to tx_mgmt_frm_rate"); + return 0; + } + + return count; +} + static ssize_t wl1251_sysfs_show_bt_coex_mode(struct device *dev, struct device_attribute *attr, char *buf) @@ -1443,6 +1584,10 @@ out: return count; } +static DEVICE_ATTR(tx_mgmt_frm_rate, S_IRUGO | S_IWUSR, + wl1251_sysfs_show_tx_mgmt_frm_rate, + wl1251_sysfs_store_tx_mgmt_frm_rate); + static DEVICE_ATTR(bt_coex_mode, S_IRUGO | S_IWUSR, wl1251_sysfs_show_bt_coex_mode, wl1251_sysfs_store_bt_coex_mode); @@ -1583,6 +1728,13 @@ int wl1251_init_ieee80211(struct wl1251 *wl) } dev_set_drvdata(&wl1251_device.dev, wl); + /* Create sysfs file tx_mgmt_frm_rate */ + ret = device_create_file(&wl1251_device.dev, + &dev_attr_tx_mgmt_frm_rate); + if (ret < 0) { + wl1251_error("failed to create sysfs file tx_mgmt_frm_rate"); + goto out; + } /* Create sysfs file to control bt coex state */ ret = device_create_file(&wl1251_device.dev, &dev_attr_bt_coex_mode);