mt7603: change auto rate control register initialization

Allow the hardware to fall back if rates stop working, make the first rate fail earlier. Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
openwrt · Jun 26, 2017 · af32615 · af32615
1 parent 70d2251
commit af32615
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Showing 2 changed files with 16 additions and 12 deletions.
diff --git a/mt7603_init.c b/mt7603_init.c
@@ -237,19 +237,23 @@ mt7603_mac_init(struct mt7603_dev *dev)
 	mt76_rmw_field(dev, MT_LPON_BTEIR, MT_LPON_BTEIR_MBSS_MODE, 2);
 	mt76_rmw_field(dev, MT_WF_RMACDR, MT_WF_RMACDR_MBSSID_MASK, 2);
 
-	mt76_wr(dev, MT_AGG_ARUCR, 0);
+	mt76_wr(dev, MT_AGG_ARUCR, FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7));
 	mt76_wr(dev, MT_AGG_ARDCR,
-		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7603_RATE_RETRY - 1) |
-		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7603_RATE_RETRY - 1) |
+		FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 0) |
+		FIELD_PREP(MT_AGG_ARxCR_LIMIT(1),
+			   max_t(int, 0, MT7603_RATE_RETRY - 2)) |
 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7603_RATE_RETRY - 1) |
 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7603_RATE_RETRY - 1) |
 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7603_RATE_RETRY - 1) |
 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7603_RATE_RETRY - 1) |
 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7603_RATE_RETRY - 1) |
 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7603_RATE_RETRY - 1));
 
-	mt76_wr(dev, MT_AGG_ARCR, (MT_AGG_ARCR_INIT_RATE1 |
-				   FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2)));
+	mt76_wr(dev, MT_AGG_ARCR,
+		(FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) |
+		 MT_AGG_ARCR_RATE_DOWN_RATIO_EN |
+		 FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) |
+		 FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4)));
 
 	mt76_set(dev, MT_WTBL_RMVTCR, MT_WTBL_RMVTCR_RX_MV_MODE);
 

diff --git a/mt7603_mac.c b/mt7603_mac.c
@@ -509,17 +509,17 @@ void mt7603_wtbl_set_rates(struct mt7603_dev *dev, struct mt7603_sta *sta)
 	bw_prev = bw;
 	val[1] = mt7603_mac_tx_rate_val(dev, &rates[1], stbc, &bw);
 	if (bw_prev < bw && !bw_idx)
-		bw_idx = 2;
+		bw_idx = 3;
 
 	bw_prev = bw;
 	val[2] = mt7603_mac_tx_rate_val(dev, &rates[2], stbc, &bw);
 	if (bw_prev < bw && !bw_idx)
-		bw_idx = 4;
+		bw_idx = 5;
 
 	bw_prev = bw;
 	val[3] = mt7603_mac_tx_rate_val(dev, &rates[3], stbc, &bw);
 	if (bw_prev < bw && !bw_idx)
-		bw_idx = 6;
+		bw_idx = 7;
 
 	w9 |= FIELD_PREP(MT_WTBL2_W9_CHANGE_BW_RATE,
 		       bw_idx ? bw_idx - 1 : 7);
@@ -529,17 +529,17 @@ void mt7603_wtbl_set_rates(struct mt7603_dev *dev, struct mt7603_sta *sta)
 	mt76_wr(dev, MT_WTBL_RIUCR1,
 		FIELD_PREP(MT_WTBL_RIUCR1_RATE0, val[0]) |
 		FIELD_PREP(MT_WTBL_RIUCR1_RATE1, val[0]) |
-		FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, val[1]));
+		FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, val[0]));
 
 	mt76_wr(dev, MT_WTBL_RIUCR2,
-		FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, val[1] >> 8) |
+		FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, val[0] >> 8) |
 		FIELD_PREP(MT_WTBL_RIUCR2_RATE3, val[1]) |
-		FIELD_PREP(MT_WTBL_RIUCR2_RATE4, val[2]) |
+		FIELD_PREP(MT_WTBL_RIUCR2_RATE4, val[1]) |
 		FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, val[2]));
 
 	mt76_wr(dev, MT_WTBL_RIUCR3,
 		FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, val[2] >> 4) |
-		FIELD_PREP(MT_WTBL_RIUCR3_RATE6, val[3]) |
+		FIELD_PREP(MT_WTBL_RIUCR3_RATE6, val[2]) |
 		FIELD_PREP(MT_WTBL_RIUCR3_RATE7, val[3]));
 
 	mt76_wr(dev, MT_WTBL_UPDATE,