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From: Shayne Chen <shayne.chen@mediatek.com>
To: Felix Fietkau <nbd@nbd.name>
CC: linux-wireless <linux-wireless@vger.kernel.org>, Lorenzo Bianconi
	<lorenzo@kernel.org>, Ryder Lee <ryder.lee@mediatek.com>, Evelyn Tsai
	<evelyn.tsai@mediatek.com>, Bo Jiao <Bo.Jiao@mediatek.com>, linux-mediatek
	<linux-mediatek@lists.infradead.org>, Howard Hsu
	<howard-yh.hsu@mediatek.com>, Shayne Chen <shayne.chen@mediatek.com>
Subject: [PATCH 04/10] wifi: mt76: connac: enable HW CSO module for mt7996
Date: Wed, 20 Mar 2024 19:09:12 +0800
Message-ID: <20240320110918.3488-4-shayne.chen@mediatek.com>
In-Reply-To: <20240320110918.3488-1-shayne.chen@mediatek.com>
References: <20240320110918.3488-1-shayne.chen@mediatek.com>
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From: Howard Hsu <howard-yh.hsu@mediatek.com>

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>
---
 .../net/wireless/mediatek/mt76/mt76_connac_mcu.h   |  7 +++++++
 drivers/net/wireless/mediatek/mt76/mt7996/mcu.c    | 14 ++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index 657a4d1f856b..608deb47dada 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/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)
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
index ddd93ec1dddd..744156655d9f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
+++ b/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) {
-- 
2.39.2