/*
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;
}
