[PATCH 1/2] mt76: mt7915: add missing capabilities for DBDC

Ryder Lee ryder.lee at mediatek.com
Thu Feb 25 06:55:47 GMT 2021


This improves dbdc performance.

Signed-off-by: Ryder Lee <ryder.lee at mediatek.com>
---
 .../net/wireless/mediatek/mt76/mt7915/init.c  | 28 +++++++++++--------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index c599b44a728c..3f3312d4c38d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -113,6 +113,20 @@ mt7915_init_wiphy(struct ieee80211_hw *hw)
 	ieee80211_hw_set(hw, WANT_MONITOR_VIF);
 
 	hw->max_tx_fragments = 4;
+
+	if (phy->mt76->cap.has_2ghz)
+		phy->mt76->sband_2g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+
+	if (phy->mt76->cap.has_5ghz) {
+		phy->mt76->sband_5g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+		phy->mt76->sband_5g.sband.vht_cap.cap |=
+			IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
+			IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+	}
 }
 
 static void
@@ -253,9 +267,6 @@ static int mt7915_register_ext_phy(struct mt7915_dev *dev)
 	       ETH_ALEN);
 	mt76_eeprom_override(mphy);
 
-	/* The second interface does not get any packets unless it has a vif */
-	ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
-
 	ret = mt7915_init_tx_queues(phy, MT7915_TXQ_BAND1,
 				    MT7915_TX_RING_SIZE);
 	if (ret)
@@ -637,19 +648,12 @@ int mt7915_register_device(struct mt7915_dev *dev)
 		return ret;
 
 	mt7915_init_wiphy(hw);
-	dev->mphy.sband_2g.sband.ht_cap.cap |=
-			IEEE80211_HT_CAP_LDPC_CODING |
-			IEEE80211_HT_CAP_MAX_AMSDU;
-	dev->mphy.sband_5g.sband.ht_cap.cap |=
-			IEEE80211_HT_CAP_LDPC_CODING |
-			IEEE80211_HT_CAP_MAX_AMSDU;
-	dev->mphy.sband_5g.sband.vht_cap.cap |=
-			IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
-			IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+
 	if (!dev->dbdc_support)
 		dev->mphy.sband_5g.sband.vht_cap.cap |=
 			IEEE80211_VHT_CAP_SHORT_GI_160 |
 			IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+
 	dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
 	dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
 
-- 
2.18.0


More information about the Linux-mediatek mailing list