diff mbox series

[2/4] wifi: mt76: mt7996: Add debugfs file for rxfilter.

Message ID 20250416002617.1328286-3-rory@candelatech.com
State New
Headers show
Series wifi: mt76: mt7996: rx filter fixes and improvements. | expand

Commit Message

Rory Little April 16, 2025, 12:26 a.m. UTC 
Will report both control registers, and list both the raw u32 value as
well as reporting each flag in plain text.

Signed-off-by: Rory Little <rory@candelatech.com>
---
 .../wireless/mediatek/mt76/mt7996/debugfs.c   | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
index d5503cfc0848..c16606792539 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/debugfs.c
@@ -842,6 +842,48 @@  mt7996_rf_regval_set(void *data, u64 val)
 DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7996_rf_regval_get,
 			 mt7996_rf_regval_set, "0x%08llx\n");
 
+static int
+mt7996_rxfilter_show(struct seq_file *file, void *data)
+{
+	struct mt7996_phy *phy = file->private;
+
+	mutex_lock(&phy->dev->mt76.mutex);
+
+	seq_printf(file, "CR: 0x%08x\n", phy->rxfilter);
+
+#define MT7996_RFCR_PRINT(flag) do {			\
+		if (phy->rxfilter & MT_WF_RFCR_##flag)	\
+			seq_printf(file, #flag "\n");	\
+	} while (0)
+
+	MT7996_RFCR_PRINT(DROP_STBC_MULTI);
+	MT7996_RFCR_PRINT(DROP_FCSFAIL);
+	MT7996_RFCR_PRINT(DROP_PROBEREQ);
+	MT7996_RFCR_PRINT(DROP_MCAST);
+	MT7996_RFCR_PRINT(DROP_BCAST);
+	MT7996_RFCR_PRINT(DROP_MCAST_FILTERED);
+	MT7996_RFCR_PRINT(DROP_A3_MAC);
+	MT7996_RFCR_PRINT(DROP_A3_BSSID);
+	MT7996_RFCR_PRINT(DROP_A2_BSSID);
+	MT7996_RFCR_PRINT(DROP_OTHER_BEACON);
+	MT7996_RFCR_PRINT(DROP_FRAME_REPORT);
+	MT7996_RFCR_PRINT(DROP_CTL_RSV);
+	MT7996_RFCR_PRINT(DROP_CTS);
+	MT7996_RFCR_PRINT(DROP_RTS);
+	MT7996_RFCR_PRINT(DROP_DUPLICATE);
+	MT7996_RFCR_PRINT(DROP_OTHER_BSS);
+	MT7996_RFCR_PRINT(DROP_OTHER_UC);
+	MT7996_RFCR_PRINT(DROP_OTHER_TIM);
+	MT7996_RFCR_PRINT(DROP_NDPA);
+	MT7996_RFCR_PRINT(DROP_UNWANTED_CTL);
+
+	mutex_unlock(&phy->dev->mt76.mutex);
+
+	return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(mt7996_rxfilter);
+
 static int
 mt7996_init_radio_phy_debugfs(struct mt7996_phy *phy)
 {
@@ -854,6 +896,8 @@  mt7996_init_radio_phy_debugfs(struct mt7996_phy *phy)
 	if (IS_ERR_OR_NULL(dir))
 		return -ENOMEM;
 
+	debugfs_create_file("rxfilter", 0400, dir, phy, &mt7996_rxfilter_fops);
+
 	phy->debugfs_dir = dir;
 
 	return 0;