[RT2x00]: add driver for Ralink wireless hardware
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
new file mode 100644
index 0000000..de890a1
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -0,0 +1,165 @@
+/*
+ Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
+ <http://rt2x00.serialmonkey.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the
+ Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+ Module: rt2x00lib
+ Abstract: rt2x00 generic configuration routines.
+ */
+
+/*
+ * Set enviroment defines for rt2x00.h
+ */
+#define DRV_NAME "rt2x00lib"
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "rt2x00.h"
+#include "rt2x00lib.h"
+
+void rt2x00lib_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *mac)
+{
+ if (mac)
+ rt2x00dev->ops->lib->config_mac_addr(rt2x00dev, mac);
+}
+
+void rt2x00lib_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
+{
+ if (bssid)
+ rt2x00dev->ops->lib->config_bssid(rt2x00dev, bssid);
+}
+
+void rt2x00lib_config_packet_filter(struct rt2x00_dev *rt2x00dev, int filter)
+{
+ /*
+ * Only configure the device when something has changed,
+ * or if we are in RESUME state in which case all configuration
+ * will be forced upon the device.
+ */
+ if (!test_bit(INTERFACE_RESUME, &rt2x00dev->flags) &&
+ !test_bit(PACKET_FILTER_PENDING, &rt2x00dev->flags))
+ return;
+
+ /*
+ * Write configuration to device and clear the update flag.
+ */
+ rt2x00dev->ops->lib->config_packet_filter(rt2x00dev, filter);
+ __clear_bit(PACKET_FILTER_PENDING, &rt2x00dev->flags);
+}
+
+void rt2x00lib_config_type(struct rt2x00_dev *rt2x00dev, int type)
+{
+ struct interface *intf = &rt2x00dev->interface;
+
+ /*
+ * Fallback when a invalid interface is attempted to
+ * be configured. If a monitor interface is present,
+ * we are going configure that, otherwise exit.
+ */
+ if (type == INVALID_INTERFACE) {
+ if (is_monitor_present(intf))
+ type = IEEE80211_IF_TYPE_MNTR;
+ else
+ return;
+ }
+
+ /*
+ * Only configure the device when something has changed,
+ * or if we are in RESUME state in which case all configuration
+ * will be forced upon the device.
+ */
+ if (!test_bit(INTERFACE_RESUME, &rt2x00dev->flags) &&
+ (!(is_interface_present(intf) ^
+ test_bit(INTERFACE_ENABLED, &rt2x00dev->flags)) &&
+ !(is_monitor_present(intf) ^
+ test_bit(INTERFACE_ENABLED_MONITOR, &rt2x00dev->flags))))
+ return;
+
+ /*
+ * Configure device.
+ */
+ rt2x00dev->ops->lib->config_type(rt2x00dev, type);
+
+ /*
+ * Update the configuration flags.
+ */
+ if (type != IEEE80211_IF_TYPE_MNTR) {
+ if (is_interface_present(intf))
+ __set_bit(INTERFACE_ENABLED, &rt2x00dev->flags);
+ else
+ __clear_bit(INTERFACE_ENABLED, &rt2x00dev->flags);
+ } else {
+ if (is_monitor_present(intf))
+ __set_bit(INTERFACE_ENABLED_MONITOR, &rt2x00dev->flags);
+ else
+ __clear_bit(INTERFACE_ENABLED_MONITOR,
+ &rt2x00dev->flags);
+ }
+}
+
+void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf)
+{
+ int flags = 0;
+
+ /*
+ * If we are in RESUME state we should
+ * force all configuration options.
+ */
+ if (test_bit(INTERFACE_RESUME, &rt2x00dev->flags)) {
+ flags = CONFIG_UPDATE_ALL;
+ goto config;
+ }
+
+ /*
+ * Check which configuration options have been
+ * updated and should be send to the device.
+ */
+ if (rt2x00dev->rx_status.phymode != conf->phymode)
+ flags |= CONFIG_UPDATE_PHYMODE;
+ if (rt2x00dev->rx_status.channel != conf->channel)
+ flags |= CONFIG_UPDATE_CHANNEL;
+ if (rt2x00dev->tx_power != conf->power_level)
+ flags |= CONFIG_UPDATE_TXPOWER;
+ if (rt2x00dev->rx_status.antenna == conf->antenna_sel_rx)
+ flags |= CONFIG_UPDATE_ANTENNA;
+
+ /*
+ * The following configuration options are never
+ * stored anywhere and will always be updated.
+ */
+ flags |= CONFIG_UPDATE_SLOT_TIME;
+ flags |= CONFIG_UPDATE_BEACON_INT;
+
+config:
+ rt2x00dev->ops->lib->config(rt2x00dev, flags, conf);
+
+ /*
+ * Some configuration changes affect the link quality
+ * which means we need to reset the link tuner.
+ */
+ if (flags & (CONFIG_UPDATE_CHANNEL | CONFIG_UPDATE_ANTENNA))
+ rt2x00lib_reset_link_tuner(rt2x00dev);
+
+ rt2x00dev->rx_status.phymode = conf->phymode;
+ rt2x00dev->rx_status.freq = conf->freq;
+ rt2x00dev->rx_status.channel = conf->channel;
+ rt2x00dev->tx_power = conf->power_level;
+ rt2x00dev->rx_status.antenna = conf->antenna_sel_rx;
+}