Introduce a knob in mt7603 debugfs in order to enable/disable energy detection based on CCA thresholds
Signed-off-by: Lorenzo Bianconi <[email protected]> --- Changes since v1: - fix file permission --- .../wireless/mediatek/mt76/mt7603/debugfs.c | 30 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7603/init.c | 4 ++- .../net/wireless/mediatek/mt76/mt7603/main.c | 3 +- .../wireless/mediatek/mt76/mt7603/mt7603.h | 6 +++- 4 files changed, 39 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c index f8b3b6ab6297..9c0bea489e1f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c @@ -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); diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/init.c b/drivers/net/wireless/mediatek/mt76/mt7603/init.c index 78cdbb70e178..4e269044f8a4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/init.c @@ -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 diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/main.c b/drivers/net/wireless/mediatek/mt76/mt7603/main.c index 0a0334dc40d5..e931af92af43 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/main.c @@ -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); diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h index fa64bbaab0d2..944dc9a11a15 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h @@ -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 -- 2.20.1
