Return-path: 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 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> (sfid-20131026_224202_976086_F05AAE10) 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 Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: 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); -- 1.7.10.4