[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>
This commit is contained in:
Ivo van Doorn
committed by
David S. Miller
David S. Miller
parent
b481de9ca0
commit
95ea36275f
165
drivers/net/wireless/rt2x00/rt2x00config.c
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165
drivers/net/wireless/rt2x00/rt2x00config.c
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/*
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Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
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<http://rt2x00.serialmonkey.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the
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Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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Module: rt2x00lib
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Abstract: rt2x00 generic configuration routines.
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*/
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/*
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* Set enviroment defines for rt2x00.h
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*/
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#define DRV_NAME "rt2x00lib"
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include "rt2x00.h"
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#include "rt2x00lib.h"
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void rt2x00lib_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *mac)
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{
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if (mac)
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rt2x00dev->ops->lib->config_mac_addr(rt2x00dev, mac);
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}
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void rt2x00lib_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
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{
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if (bssid)
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rt2x00dev->ops->lib->config_bssid(rt2x00dev, bssid);
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}
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void rt2x00lib_config_packet_filter(struct rt2x00_dev *rt2x00dev, int filter)
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{
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/*
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* Only configure the device when something has changed,
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* or if we are in RESUME state in which case all configuration
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* will be forced upon the device.
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*/
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if (!test_bit(INTERFACE_RESUME, &rt2x00dev->flags) &&
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!test_bit(PACKET_FILTER_PENDING, &rt2x00dev->flags))
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return;
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/*
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* Write configuration to device and clear the update flag.
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*/
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rt2x00dev->ops->lib->config_packet_filter(rt2x00dev, filter);
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__clear_bit(PACKET_FILTER_PENDING, &rt2x00dev->flags);
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}
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void rt2x00lib_config_type(struct rt2x00_dev *rt2x00dev, int type)
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{
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struct interface *intf = &rt2x00dev->interface;
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/*
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* Fallback when a invalid interface is attempted to
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* be configured. If a monitor interface is present,
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* we are going configure that, otherwise exit.
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*/
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if (type == INVALID_INTERFACE) {
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if (is_monitor_present(intf))
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type = IEEE80211_IF_TYPE_MNTR;
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else
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return;
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}
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/*
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* Only configure the device when something has changed,
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* or if we are in RESUME state in which case all configuration
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* will be forced upon the device.
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*/
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if (!test_bit(INTERFACE_RESUME, &rt2x00dev->flags) &&
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(!(is_interface_present(intf) ^
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test_bit(INTERFACE_ENABLED, &rt2x00dev->flags)) &&
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!(is_monitor_present(intf) ^
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test_bit(INTERFACE_ENABLED_MONITOR, &rt2x00dev->flags))))
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return;
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/*
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* Configure device.
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*/
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rt2x00dev->ops->lib->config_type(rt2x00dev, type);
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/*
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* Update the configuration flags.
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*/
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if (type != IEEE80211_IF_TYPE_MNTR) {
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if (is_interface_present(intf))
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__set_bit(INTERFACE_ENABLED, &rt2x00dev->flags);
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else
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__clear_bit(INTERFACE_ENABLED, &rt2x00dev->flags);
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} else {
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if (is_monitor_present(intf))
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__set_bit(INTERFACE_ENABLED_MONITOR, &rt2x00dev->flags);
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else
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__clear_bit(INTERFACE_ENABLED_MONITOR,
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&rt2x00dev->flags);
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}
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}
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void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf)
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{
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int flags = 0;
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/*
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* If we are in RESUME state we should
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* force all configuration options.
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*/
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if (test_bit(INTERFACE_RESUME, &rt2x00dev->flags)) {
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flags = CONFIG_UPDATE_ALL;
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goto config;
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}
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/*
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* Check which configuration options have been
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* updated and should be send to the device.
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*/
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if (rt2x00dev->rx_status.phymode != conf->phymode)
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flags |= CONFIG_UPDATE_PHYMODE;
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if (rt2x00dev->rx_status.channel != conf->channel)
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flags |= CONFIG_UPDATE_CHANNEL;
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if (rt2x00dev->tx_power != conf->power_level)
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flags |= CONFIG_UPDATE_TXPOWER;
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if (rt2x00dev->rx_status.antenna == conf->antenna_sel_rx)
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flags |= CONFIG_UPDATE_ANTENNA;
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/*
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* The following configuration options are never
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* stored anywhere and will always be updated.
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*/
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flags |= CONFIG_UPDATE_SLOT_TIME;
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flags |= CONFIG_UPDATE_BEACON_INT;
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config:
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rt2x00dev->ops->lib->config(rt2x00dev, flags, conf);
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/*
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* Some configuration changes affect the link quality
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* which means we need to reset the link tuner.
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*/
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if (flags & (CONFIG_UPDATE_CHANNEL | CONFIG_UPDATE_ANTENNA))
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rt2x00lib_reset_link_tuner(rt2x00dev);
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rt2x00dev->rx_status.phymode = conf->phymode;
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rt2x00dev->rx_status.freq = conf->freq;
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rt2x00dev->rx_status.channel = conf->channel;
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rt2x00dev->tx_power = conf->power_level;
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rt2x00dev->rx_status.antenna = conf->antenna_sel_rx;
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}
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