recipes-wifi/linux-mt76/files/patches-3.x/0021-wifi-mt76-mt7996-remove-periodic-MPDU-TXS-request.patch

From e6830d67bbbc38036cd077badd5a605b8f257752 Mon Sep 17 00:00:00 2001
From: Benjamin Lin <benjamin-jw.lin@mediatek.com>
Date: Thu, 27 Jul 2023 14:00:30 +0800
Subject: [PATCH 21/98] wifi: mt76: mt7996: remove periodic MPDU TXS request

---
 mt7996/mac.c    | 39 ++++++++++++++++++++++-----------------
 mt7996/main.c   |  1 -
 mt7996/mt7996.h |  1 -
 3 files changed, 22 insertions(+), 19 deletions(-)

diff --git a/mt7996/mac.c b/mt7996/mac.c
index 06c9a14..32c52fc 100644
--- a/mt7996/mac.c
+++ b/mt7996/mac.c
@@ -926,15 +926,6 @@ int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
 	if (!wcid)
 		wcid = &dev->mt76.global_wcid;
 
-	if (sta) {
-		struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
-
-		if (time_after(jiffies, msta->jiffies + HZ / 4)) {
-			info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
-			msta->jiffies = jiffies;
-		}
-	}
-
 	t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
 	t->skb = tx_info->skb;
 
@@ -1010,22 +1001,36 @@ u32 mt7996_wed_init_buf(void *ptr, dma_addr_t phys, int token_id)
 }
 
 static void
-mt7996_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi)
+mt7996_tx_check_aggr(struct ieee80211_sta *sta, struct sk_buff *skb)
 {
 	struct mt7996_sta *msta;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	bool is_8023 = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP;
 	u16 fc, tid;
-	u32 val;
 
 	if (!sta || !(sta->deflink.ht_cap.ht_supported || sta->deflink.he_cap.has_he))
 		return;
 
-	tid = le32_get_bits(txwi[1], MT_TXD1_TID);
+	tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
 	if (tid >= 6) /* skip VO queue */
 		return;
 
-	val = le32_to_cpu(txwi[2]);
-	fc = FIELD_GET(MT_TXD2_FRAME_TYPE, val) << 2 |
-	     FIELD_GET(MT_TXD2_SUB_TYPE, val) << 4;
+	if (is_8023)
+		fc = IEEE80211_FTYPE_DATA |
+		     (sta->wme ? IEEE80211_STYPE_QOS_DATA
+		               : IEEE80211_STYPE_DATA);
+	else {
+		/* No need to get precise TID for Action/Management Frame,
+		 * since it will not meet the following Frame Control
+		 * condition anyway.
+		 */
+
+		struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+
+		fc = le16_to_cpu(hdr->frame_control) &
+		     (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE);
+	}
+
 	if (unlikely(fc != (IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA)))
 		return;
 
@@ -1053,7 +1058,7 @@ mt7996_txwi_free(struct mt7996_dev *dev, struct mt76_txwi_cache *t,
 		wcid_idx = wcid->idx;
 
 		if (likely(t->skb->protocol != cpu_to_be16(ETH_P_PAE)))
-			mt7996_tx_check_aggr(sta, txwi);
+			mt7996_tx_check_aggr(sta, t->skb);
 	} else {
 		wcid_idx = le32_get_bits(txwi[9], MT_TXD9_WLAN_IDX);
 	}
@@ -1330,7 +1335,7 @@ static void mt7996_mac_add_txs(struct mt7996_dev *dev, void *data)
 	wcidx = le32_get_bits(txs_data[2], MT_TXS2_MLD_ID);
 	pid = le32_get_bits(txs_data[3], MT_TXS3_PID);
 
-	if (pid < MT_PACKET_ID_WED)
+	if (pid < MT_PACKET_ID_NO_SKB)
 		return;
 
 	if (wcidx >= mt7996_wtbl_size(dev))
diff --git a/mt7996/main.c b/mt7996/main.c
index 0b3f8c8..832b861 100644
--- a/mt7996/main.c
+++ b/mt7996/main.c
@@ -666,7 +666,6 @@ int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 	msta->wcid.idx = idx;
 	msta->wcid.phy_idx = band_idx;
 	msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
-	msta->jiffies = jiffies;
 
 	ewma_avg_signal_init(&msta->avg_ack_signal);
 
diff --git a/mt7996/mt7996.h b/mt7996/mt7996.h
index 420d113..f268773 100644
--- a/mt7996/mt7996.h
+++ b/mt7996/mt7996.h
@@ -147,7 +147,6 @@ struct mt7996_sta {
 	struct ewma_avg_signal avg_ack_signal;
 
 	unsigned long changed;
-	unsigned long jiffies;
 
 	struct mt76_connac_sta_key_conf bip;
 
-- 
2.18.0