mt76: mt7615: introduce mt7663u support to mt7615_write_txwi

Extend mt7615_write_txwi routine to support usb txwi configuration
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/mac.c

@@ -528,11 +528,12 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
 	struct ieee80211_vif *vif = info->control.vif;
 	struct mt76_phy *mphy = &dev->mphy;
 	bool ext_phy = info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY;
+	bool is_usb = mt76_is_usb(&dev->mt76);
 	int tx_count = 8;
 	u8 fc_type, fc_stype, p_fmt, q_idx, omac_idx = 0, wmm_idx = 0;
 	__le16 fc = hdr->frame_control;
+	u32 val, sz_txd = is_usb ? MT_USB_TXD_SIZE : MT_TXD_SIZE;
 	u16 seqno = 0;
-	u32 val;
 
 	if (vif) {
 		struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
@@ -556,7 +557,7 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
 	if (ieee80211_is_data(fc) || ieee80211_is_bufferable_mmpdu(fc)) {
 		q_idx = wmm_idx * MT7615_MAX_WMM_SETS +
 			skb_get_queue_mapping(skb);
-		p_fmt = MT_TX_TYPE_CT;
+		p_fmt = is_usb ? MT_TX_TYPE_SF : MT_TX_TYPE_CT;
 	} else if (beacon) {
 		if (ext_phy)
 			q_idx = MT_LMAC_BCN1;
@@ -568,10 +569,10 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
 			q_idx = MT_LMAC_ALTX1;
 		else
 			q_idx = MT_LMAC_ALTX0;
-		p_fmt = MT_TX_TYPE_CT;
+		p_fmt = is_usb ? MT_TX_TYPE_SF : MT_TX_TYPE_CT;
 	}
 
-	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) |
+	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + sz_txd) |
 	      FIELD_PREP(MT_TXD0_P_IDX, MT_TX_PORT_IDX_LMAC) |
 	      FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
 	txwi[0] = cpu_to_le32(val);
@@ -665,6 +666,9 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
 
 	txwi[7] = FIELD_PREP(MT_TXD7_TYPE, fc_type) |
 		  FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype);
+	if (is_usb)
+		txwi[8] = FIELD_PREP(MT_TXD8_L_TYPE, fc_type) |
+			  FIELD_PREP(MT_TXD8_L_SUB_TYPE, fc_stype);
 
 	return 0;
 }

drivers/net/wireless/mediatek/mt76/mt7615/mac.h

@@ -165,6 +165,7 @@ enum tx_phy_bandwidth {
 #define MT_CT_INFO_NONE_CIPHER_FRAME	BIT(3)
 #define MT_CT_INFO_HSR2_TX		BIT(4)
 
+#define MT_USB_TXD_SIZE			(MT_TXD_SIZE + 8 * 4)
 #define MT_TXD_SIZE			(8 * 4)
 
 #define MT_TXD0_P_IDX			BIT(31)