recipes-wifi/linux-mt76/files/patches/0010-wifi-mt76-check-txs-format-before-getting-skb-by-pid.patch

From 1313d834950f271d6b84dd71b89535e6e9af1095 Mon Sep 17 00:00:00 2001
From: Evelyn Tsai <evelyn.tsai@mediatek.com>
Date: Fri, 8 Dec 2023 07:35:39 +0800
Subject: [PATCH 10/76] wifi: mt76: check txs format before getting skb by pid

The PPDU TxS does not include the error bit so it cannot use to report
status to mac80211.

Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
---
 mt76_connac2_mac.h | 5 +++++
 mt76_connac_mac.c  | 7 +++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/mt76_connac2_mac.h b/mt76_connac2_mac.h
index bd2a924..5f13211 100644
--- a/mt76_connac2_mac.h
+++ b/mt76_connac2_mac.h
@@ -32,6 +32,11 @@ enum {
 	MT_LMAC_PSMP0,
 };
 
+enum {
+	MT_TXS_MPDU_FMT = 0,
+	MT_TXS_PPDU_FMT = 2,
+};
+
 #define MT_TX_FREE_MSDU_CNT		GENMASK(9, 0)
 #define MT_TX_FREE_WLAN_ID		GENMASK(23, 14)
 #define MT_TX_FREE_COUNT		GENMASK(12, 0)
diff --git a/mt76_connac_mac.c b/mt76_connac_mac.c
index 630c640..31d2474 100644
--- a/mt76_connac_mac.c
+++ b/mt76_connac_mac.c
@@ -714,10 +714,13 @@ bool mt76_connac2_mac_add_txs_skb(struct mt76_dev *dev, struct mt76_wcid *wcid,
 				  int pid, __le32 *txs_data)
 {
 	struct sk_buff_head list;
-	struct sk_buff *skb;
+	struct sk_buff *skb = NULL;
 
 	mt76_tx_status_lock(dev, &list);
-	skb = mt76_tx_status_skb_get(dev, wcid, pid, &list);
+
+	if (le32_get_bits(txs_data[0], MT_TXS0_TXS_FORMAT) == MT_TXS_MPDU_FMT)
+		skb = mt76_tx_status_skb_get(dev, wcid, pid, &list);
+
 	if (skb) {
 		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
-- 
2.18.0