wifi: mt76: connac: enable HW CSO module for mt7996

For mt7996 chipsets, the HW CSO module can help to identify TCP traffic,
which assists the firmware in adjusting algorithms to improve overall
performance.
Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h

@@ -610,6 +610,12 @@ struct sta_rec_ra_fixed {
 	u8 mmps_mode;
 } __packed;
 
+struct sta_rec_tx_proc {
+	__le16 tag;
+	__le16 len;
+	__le32 flag;
+} __packed;
+
 /* wtbl_rec */
 
 struct wtbl_req_hdr {
@@ -777,6 +783,7 @@ struct wtbl_raw {
 					 sizeof(struct sta_rec_ra_fixed) + \
 					 sizeof(struct sta_rec_he_6g_capa) + \
 					 sizeof(struct sta_rec_pn_info) + \
+					 sizeof(struct sta_rec_tx_proc) + \
 					 sizeof(struct tlv) +		\
 					 MT76_CONNAC_WTBL_UPDATE_MAX_SIZE)
 

drivers/net/wireless/mediatek/mt76/mt7996/mcu.c

@@ -1748,6 +1748,18 @@ mt7996_mcu_sta_bfee_tlv(struct mt7996_dev *dev, struct sk_buff *skb,
 	bfee->fb_identity_matrix = (nrow == 1 && tx_ant == 2);
 }
 
+static void
+mt7996_mcu_sta_tx_proc_tlv(struct sk_buff *skb)
+{
+	struct sta_rec_tx_proc *tx_proc;
+	struct tlv *tlv;
+
+	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_TX_PROC, sizeof(*tx_proc));
+
+	tx_proc = (struct sta_rec_tx_proc *)tlv;
+	tx_proc->flag = cpu_to_le32(0);
+}
+
 static void
 mt7996_mcu_sta_hdrt_tlv(struct mt7996_dev *dev, struct sk_buff *skb)
 {
@@ -2159,6 +2171,8 @@ int mt7996_mcu_add_sta(struct mt7996_dev *dev, struct ieee80211_vif *vif,
 
 	/* starec hdr trans */
 	mt7996_mcu_sta_hdr_trans_tlv(dev, skb, vif, sta);
+	/* starec tx proc */
+	mt7996_mcu_sta_tx_proc_tlv(skb);
 
 	/* tag order is in accordance with firmware dependency. */
 	if (sta) {