mt76: mt7615: reset rate index/counters on rate table update

These values must be initialized to zero, otherwise the hardware could reuse previous values, especially the rate index Signed-off-by: Felix Fietkau <nbd@nbd.name>
openwrt · Jul 3, 2019 · 2ae01f7 · 2ae01f7
1 parent ae760db
commit 2ae01f7
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/mt7615/mac.c b/mt7615/mac.c
@@ -501,7 +501,10 @@ void mt7615_mac_set_rates(struct mt7615_dev *dev, struct mt7615_sta *sta,
 	w27 |= FIELD_PREP(MT_WTBL_W27_CC_BW_SEL, bw);
 
 	w5 = mt76_rr(dev, addr + 5 * 4);
-	w5 &= ~(MT_WTBL_W5_BW_CAP | MT_WTBL_W5_CHANGE_BW_RATE);
+	w5 &= ~(MT_WTBL_W5_BW_CAP | MT_WTBL_W5_CHANGE_BW_RATE |
+		MT_WTBL_W5_MPDU_OK_COUNT |
+		MT_WTBL_W5_MPDU_FAIL_COUNT |
+		MT_WTBL_W5_RATE_IDX);
 	w5 |= FIELD_PREP(MT_WTBL_W5_BW_CAP, bw) |
 	      FIELD_PREP(MT_WTBL_W5_CHANGE_BW_RATE, bw_idx ? bw_idx - 1 : 7);
 

diff --git a/mt7615/regs.h b/mt7615/regs.h
@@ -181,6 +181,10 @@
 #define MT_WTBL_W5_SHORT_GI_80		BIT(10)
 #define MT_WTBL_W5_SHORT_GI_160		BIT(11)
 #define MT_WTBL_W5_BW_CAP		GENMASK(13, 12)
+#define MT_WTBL_W5_MPDU_FAIL_COUNT	GENMASK(25, 23)
+#define MT_WTBL_W5_MPDU_OK_COUNT	GENMASK(28, 26)
+#define MT_WTBL_W5_RATE_IDX		GENMASK(31, 29)
+
 #define MT_WTBL_W27_CC_BW_SEL		GENMASK(6, 5)
 
 #define MT_EFUSE_BASE			0x81070000