/* * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation * * 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. */ #include <linux/etherdevice.h> #include "mt76x0.h" static int mt76x0_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef) { int ret; cancel_delayed_work_sync(&dev->cal_work); if (mt76_is_mmio(dev)) { tasklet_disable(&dev->pre_tbtt_tasklet); tasklet_disable(&dev->dfs_pd.dfs_tasklet); } mt76_set_channel(&dev->mt76); ret = mt76x0_phy_set_channel(dev, chandef); /* channel cycle counters read-and-clear */ mt76_rr(dev, MT_CH_IDLE); mt76_rr(dev, MT_CH_BUSY); mt76x02_edcca_init(dev, true); if (mt76_is_mmio(dev)) { mt76x02_dfs_init_params(dev); tasklet_enable(&dev->pre_tbtt_tasklet); tasklet_enable(&dev->dfs_pd.dfs_tasklet); } mt76_txq_schedule_all(&dev->mt76); return ret; } int mt76x0_config(struct ieee80211_hw *hw, u32 changed) { struct mt76x02_dev *dev = hw->priv; int ret = 0; mutex_lock(&dev->mt76.mutex); if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { ieee80211_stop_queues(hw); ret = mt76x0_set_channel(dev, &hw->conf.chandef); ieee80211_wake_queues(hw); } if (changed & IEEE80211_CONF_CHANGE_POWER) { dev->mt76.txpower_conf = hw->conf.power_level * 2; if (test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) mt76x0_phy_set_txpower(dev); } if (changed & IEEE80211_CONF_CHANGE_MONITOR) { if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC; else dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter); } mutex_unlock(&dev->mt76.mutex); return ret; } EXPORT_SYMBOL_GPL(mt76x0_config);