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: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
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@ -40,6 +40,35 @@ mt7603_radio_read(struct seq_file *s, void *data)
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return 0;
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}
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static int
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mt7603_edcca_set(void *data, u64 val)
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{
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struct mt7603_dev *dev = data;
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mutex_lock(&dev->mt76.mutex);
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dev->ed_monitor_enabled = !!val;
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dev->ed_monitor = dev->ed_monitor_enabled &&
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dev->region == NL80211_DFS_ETSI;
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mt7603_init_edcca(dev);
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mutex_unlock(&dev->mt76.mutex);
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return 0;
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}
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static int
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mt7603_edcca_get(void *data, u64 *val)
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{
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struct mt7603_dev *dev = data;
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*val = dev->ed_monitor_enabled;
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return 0;
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}
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DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt7603_edcca_get,
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mt7603_edcca_set, "%lld\n");
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void mt7603_init_debugfs(struct mt7603_dev *dev)
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{
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struct dentry *dir;
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@ -48,6 +77,7 @@ void mt7603_init_debugfs(struct mt7603_dev *dev)
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if (!dir)
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return;
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debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
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debugfs_create_u32("reset_test", 0600, dir, &dev->reset_test);
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debugfs_create_devm_seqfile(dev->mt76.dev, "reset", dir,
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mt7603_reset_read);
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@ -437,7 +437,9 @@ mt7603_regd_notifier(struct wiphy *wiphy,
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struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
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struct mt7603_dev *dev = hw->priv;
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dev->ed_monitor = request->dfs_region == NL80211_DFS_ETSI;
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dev->region = request->dfs_region;
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dev->ed_monitor = dev->ed_monitor_enabled &&
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dev->region == NL80211_DFS_ETSI;
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}
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static int
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@ -103,8 +103,7 @@ mt7603_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
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mutex_unlock(&dev->mt76.mutex);
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}
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static void
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mt7603_init_edcca(struct mt7603_dev *dev)
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void mt7603_init_edcca(struct mt7603_dev *dev)
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{
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/* Set lower signal level to -65dBm */
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mt76_rmw_field(dev, MT_RXTD(8), MT_RXTD_8_LOWER_SIGNAL, 0x23);
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@ -117,8 +117,11 @@ struct mt7603_dev {
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u8 mac_work_count;
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u8 mcu_running;
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u8 ed_monitor;
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enum nl80211_dfs_regions region;
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u8 ed_monitor_enabled;
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u8 ed_monitor;
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s8 ed_trigger;
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u8 ed_strict_mode;
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u8 ed_strong_signal;
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@ -241,4 +244,5 @@ void mt7603_update_channel(struct mt76_dev *mdev);
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void mt7603_edcca_set_strict(struct mt7603_dev *dev, bool val);
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void mt7603_cca_stats_reset(struct mt7603_dev *dev);
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void mt7603_init_edcca(struct mt7603_dev *dev);
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#endif
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