Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 984d8854 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76: mt7603: add debugfs knob to enable/disable edcca 



Introduce a knob in mt7603 debugfs in order to enable/disable
energy detection based on CCA thresholds

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 8aac454d

drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c

+30 −0
Original line number Diff line number Diff line
@@ -40,6 +40,35 @@ mt7603_radio_read(struct seq_file *s, void *data) 
	return 0;

}



static int

mt7603_edcca_set(void *data, u64 val)

{

	struct mt7603_dev *dev = data;



	mutex_lock(&dev->mt76.mutex);



	dev->ed_monitor_enabled = !!val;

	dev->ed_monitor = dev->ed_monitor_enabled &&

			  dev->region == NL80211_DFS_ETSI;

	mt7603_init_edcca(dev);



	mutex_unlock(&dev->mt76.mutex);



	return 0;

}



static int

mt7603_edcca_get(void *data, u64 *val)

{

	struct mt7603_dev *dev = data;



	*val = dev->ed_monitor_enabled;

	return 0;

}



DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt7603_edcca_get,

			 mt7603_edcca_set, "%lld\n");



void mt7603_init_debugfs(struct mt7603_dev *dev)

{

	struct dentry *dir;
@@ -48,6 +77,7 @@ void mt7603_init_debugfs(struct mt7603_dev *dev) 
	if (!dir)

		return;



	debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);

	debugfs_create_u32("reset_test", 0600, dir, &dev->reset_test);

	debugfs_create_devm_seqfile(dev->mt76.dev, "reset", dir,

				    mt7603_reset_read);

drivers/net/wireless/mediatek/mt76/mt7603/init.c

+3 −1
Original line number Diff line number Diff line
@@ -437,7 +437,9 @@ mt7603_regd_notifier(struct wiphy *wiphy, 
	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);

	struct mt7603_dev *dev = hw->priv;



	dev->ed_monitor = request->dfs_region == NL80211_DFS_ETSI;

	dev->region = request->dfs_region;

	dev->ed_monitor = dev->ed_monitor_enabled &&

			  dev->region == NL80211_DFS_ETSI;

}



static int

drivers/net/wireless/mediatek/mt76/mt7603/main.c

+1 −2
Original line number Diff line number Diff line
@@ -103,8 +103,7 @@ mt7603_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 
	mutex_unlock(&dev->mt76.mutex);

}



static void

mt7603_init_edcca(struct mt7603_dev *dev)

void mt7603_init_edcca(struct mt7603_dev *dev)

{

	/* Set lower signal level to -65dBm */

	mt76_rmw_field(dev, MT_RXTD(8), MT_RXTD_8_LOWER_SIGNAL, 0x23);

drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h

+5 −1
Original line number Diff line number Diff line
@@ -117,8 +117,11 @@ struct mt7603_dev { 
	u8 mac_work_count;



	u8 mcu_running;

	u8 ed_monitor;



	enum nl80211_dfs_regions region;



	u8 ed_monitor_enabled;

	u8 ed_monitor;

	s8 ed_trigger;

	u8 ed_strict_mode;

	u8 ed_strong_signal;
@@ -241,4 +244,5 @@ void mt7603_update_channel(struct mt76_dev *mdev); 
void mt7603_edcca_set_strict(struct mt7603_dev *dev, bool val);

void mt7603_cca_stats_reset(struct mt7603_dev *dev);



void mt7603_init_edcca(struct mt7603_dev *dev);

#endif