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path: root/drivers/net/wireless/rt2x00/rt2x00config.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00config.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00config.c285
1 files changed, 0 insertions, 285 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
deleted file mode 100644
index 7e8bb1198..000000000
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/*
- Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
- <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, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- Module: rt2x00lib
- Abstract: rt2x00 generic configuration routines.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include "rt2x00.h"
-#include "rt2x00lib.h"
-
-void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
- struct rt2x00_intf *intf,
- enum nl80211_iftype type,
- const u8 *mac, const u8 *bssid)
-{
- struct rt2x00intf_conf conf;
- unsigned int flags = 0;
-
- conf.type = type;
-
- switch (type) {
- case NL80211_IFTYPE_ADHOC:
- conf.sync = TSF_SYNC_ADHOC;
- break;
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_MESH_POINT:
- case NL80211_IFTYPE_WDS:
- conf.sync = TSF_SYNC_AP_NONE;
- break;
- case NL80211_IFTYPE_STATION:
- conf.sync = TSF_SYNC_INFRA;
- break;
- default:
- conf.sync = TSF_SYNC_NONE;
- break;
- }
-
- /*
- * Note that when NULL is passed as address we will send
- * 00:00:00:00:00 to the device to clear the address.
- * This will prevent the device being confused when it wants
- * to ACK frames or considers itself associated.
- */
- memset(conf.mac, 0, sizeof(conf.mac));
- if (mac)
- memcpy(conf.mac, mac, ETH_ALEN);
-
- memset(conf.bssid, 0, sizeof(conf.bssid));
- if (bssid)
- memcpy(conf.bssid, bssid, ETH_ALEN);
-
- flags |= CONFIG_UPDATE_TYPE;
- if (mac || (!rt2x00dev->intf_ap_count && !rt2x00dev->intf_sta_count))
- flags |= CONFIG_UPDATE_MAC;
- if (bssid || (!rt2x00dev->intf_ap_count && !rt2x00dev->intf_sta_count))
- flags |= CONFIG_UPDATE_BSSID;
-
- rt2x00dev->ops->lib->config_intf(rt2x00dev, intf, &conf, flags);
-}
-
-void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
- struct rt2x00_intf *intf,
- struct ieee80211_bss_conf *bss_conf,
- u32 changed)
-{
- struct rt2x00lib_erp erp;
-
- memset(&erp, 0, sizeof(erp));
-
- erp.short_preamble = bss_conf->use_short_preamble;
- erp.cts_protection = bss_conf->use_cts_prot;
-
- erp.slot_time = bss_conf->use_short_slot ? SHORT_SLOT_TIME : SLOT_TIME;
- erp.sifs = SIFS;
- erp.pifs = bss_conf->use_short_slot ? SHORT_PIFS : PIFS;
- erp.difs = bss_conf->use_short_slot ? SHORT_DIFS : DIFS;
- erp.eifs = bss_conf->use_short_slot ? SHORT_EIFS : EIFS;
-
- erp.basic_rates = bss_conf->basic_rates;
- erp.beacon_int = bss_conf->beacon_int;
-
- /* Update the AID, this is needed for dynamic PS support */
- rt2x00dev->aid = bss_conf->assoc ? bss_conf->aid : 0;
- rt2x00dev->last_beacon = bss_conf->sync_tsf;
-
- /* Update global beacon interval time, this is needed for PS support */
- rt2x00dev->beacon_int = bss_conf->beacon_int;
-
- if (changed & BSS_CHANGED_HT)
- erp.ht_opmode = bss_conf->ht_operation_mode;
-
- rt2x00dev->ops->lib->config_erp(rt2x00dev, &erp, changed);
-}
-
-void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
- struct antenna_setup config)
-{
- struct link_ant *ant = &rt2x00dev->link.ant;
- struct antenna_setup *def = &rt2x00dev->default_ant;
- struct antenna_setup *active = &rt2x00dev->link.ant.active;
-
- /*
- * When the caller tries to send the SW diversity,
- * we must update the ANTENNA_RX_DIVERSITY flag to
- * enable the antenna diversity in the link tuner.
- *
- * Secondly, we must guarentee we never send the
- * software antenna diversity command to the driver.
- */
- if (!(ant->flags & ANTENNA_RX_DIVERSITY)) {
- if (config.rx == ANTENNA_SW_DIVERSITY) {
- ant->flags |= ANTENNA_RX_DIVERSITY;
-
- if (def->rx == ANTENNA_SW_DIVERSITY)
- config.rx = ANTENNA_B;
- else
- config.rx = def->rx;
- }
- } else if (config.rx == ANTENNA_SW_DIVERSITY)
- config.rx = active->rx;
-
- if (!(ant->flags & ANTENNA_TX_DIVERSITY)) {
- if (config.tx == ANTENNA_SW_DIVERSITY) {
- ant->flags |= ANTENNA_TX_DIVERSITY;
-
- if (def->tx == ANTENNA_SW_DIVERSITY)
- config.tx = ANTENNA_B;
- else
- config.tx = def->tx;
- }
- } else if (config.tx == ANTENNA_SW_DIVERSITY)
- config.tx = active->tx;
-
- /*
- * Antenna setup changes require the RX to be disabled,
- * else the changes will be ignored by the device.
- */
- if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
- rt2x00queue_stop_queue(rt2x00dev->rx);
-
- /*
- * Write new antenna setup to device and reset the link tuner.
- * The latter is required since we need to recalibrate the
- * noise-sensitivity ratio for the new setup.
- */
- rt2x00dev->ops->lib->config_ant(rt2x00dev, &config);
-
- rt2x00link_reset_tuner(rt2x00dev, true);
-
- memcpy(active, &config, sizeof(config));
-
- if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
- rt2x00queue_start_queue(rt2x00dev->rx);
-}
-
-static u16 rt2x00ht_center_channel(struct rt2x00_dev *rt2x00dev,
- struct ieee80211_conf *conf)
-{
- struct hw_mode_spec *spec = &rt2x00dev->spec;
- int center_channel;
- u16 i;
-
- /*
- * Initialize center channel to current channel.
- */
- center_channel = spec->channels[conf->chandef.chan->hw_value].channel;
-
- /*
- * Adjust center channel to HT40+ and HT40- operation.
- */
- if (conf_is_ht40_plus(conf))
- center_channel += 2;
- else if (conf_is_ht40_minus(conf))
- center_channel -= (center_channel == 14) ? 1 : 2;
-
- for (i = 0; i < spec->num_channels; i++)
- if (spec->channels[i].channel == center_channel)
- return i;
-
- WARN_ON(1);
- return conf->chandef.chan->hw_value;
-}
-
-void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
- struct ieee80211_conf *conf,
- unsigned int ieee80211_flags)
-{
- struct rt2x00lib_conf libconf;
- u16 hw_value;
- u16 autowake_timeout;
- u16 beacon_int;
- u16 beacon_diff;
-
- memset(&libconf, 0, sizeof(libconf));
-
- libconf.conf = conf;
-
- if (ieee80211_flags & IEEE80211_CONF_CHANGE_CHANNEL) {
- if (!conf_is_ht(conf))
- set_bit(CONFIG_HT_DISABLED, &rt2x00dev->flags);
- else
- clear_bit(CONFIG_HT_DISABLED, &rt2x00dev->flags);
-
- if (conf_is_ht40(conf)) {
- set_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags);
- hw_value = rt2x00ht_center_channel(rt2x00dev, conf);
- } else {
- clear_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags);
- hw_value = conf->chandef.chan->hw_value;
- }
-
- memcpy(&libconf.rf,
- &rt2x00dev->spec.channels[hw_value],
- sizeof(libconf.rf));
-
- memcpy(&libconf.channel,
- &rt2x00dev->spec.channels_info[hw_value],
- sizeof(libconf.channel));
-
- /* Used for VCO periodic calibration */
- rt2x00dev->rf_channel = libconf.rf.channel;
- }
-
- if (rt2x00_has_cap_flag(rt2x00dev, REQUIRE_PS_AUTOWAKE) &&
- (ieee80211_flags & IEEE80211_CONF_CHANGE_PS))
- cancel_delayed_work_sync(&rt2x00dev->autowakeup_work);
-
- /*
- * Start configuration.
- */
- rt2x00dev->ops->lib->config(rt2x00dev, &libconf, ieee80211_flags);
-
- /*
- * Some configuration changes affect the link quality
- * which means we need to reset the link tuner.
- */
- if (ieee80211_flags & IEEE80211_CONF_CHANGE_CHANNEL)
- rt2x00link_reset_tuner(rt2x00dev, false);
-
- if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) &&
- rt2x00_has_cap_flag(rt2x00dev, REQUIRE_PS_AUTOWAKE) &&
- (ieee80211_flags & IEEE80211_CONF_CHANGE_PS) &&
- (conf->flags & IEEE80211_CONF_PS)) {
- beacon_diff = (long)jiffies - (long)rt2x00dev->last_beacon;
- beacon_int = msecs_to_jiffies(rt2x00dev->beacon_int);
-
- if (beacon_diff > beacon_int)
- beacon_diff = 0;
-
- autowake_timeout = (conf->ps_dtim_period * beacon_int) - beacon_diff;
- queue_delayed_work(rt2x00dev->workqueue,
- &rt2x00dev->autowakeup_work,
- autowake_timeout - 15);
- }
-
- if (conf->flags & IEEE80211_CONF_PS)
- set_bit(CONFIG_POWERSAVING, &rt2x00dev->flags);
- else
- clear_bit(CONFIG_POWERSAVING, &rt2x00dev->flags);
-
- rt2x00dev->curr_band = conf->chandef.chan->band;
- rt2x00dev->curr_freq = conf->chandef.chan->center_freq;
- rt2x00dev->tx_power = conf->power_level;
- rt2x00dev->short_retry = conf->short_frame_max_tx_count;
- rt2x00dev->long_retry = conf->long_frame_max_tx_count;
-}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-02 21:02:54 +0000