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authorPeter Chiu <chui-hao.chiu@mediatek.com>2024-01-26 17:09:12 +0800
committerFelix Fietkau <nbd@nbd.name>2024-02-22 09:55:17 +0100
commit9c9c25f1dcdd98fffda564d2073f26219c84a2c3 (patch)
treee481741584f5723c3f3f626c2d31abaf0c570ee6
parent396e41a74a88654f23e36c46d2995752c91654a5 (diff)
wifi: mt76: mt7996: 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. This patch fixes issue that STA wrongly detects if AP is still alive. Fixes: 2569ea5326e2 ("wifi: mt76: mt7996: enable PPDU-TxS to host") Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com> Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name>
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7996/mac.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
index 53258488d49f..a8414fbb07c8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
@@ -1188,25 +1188,28 @@ mt7996_mac_add_txs_skb(struct mt7996_dev *dev, struct mt76_wcid *wcid,
struct ieee80211_tx_info *info;
struct sk_buff_head list;
struct rate_info rate = {};
- struct sk_buff *skb;
+ struct sk_buff *skb = NULL;
bool cck = false;
u32 txrate, txs, mode, stbc;
txs = le32_to_cpu(txs_data[0]);
mt76_tx_status_lock(mdev, &list);
- skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list);
- if (skb) {
- info = IEEE80211_SKB_CB(skb);
- if (!(txs & MT_TXS0_ACK_ERROR_MASK))
- info->flags |= IEEE80211_TX_STAT_ACK;
+ /* only report MPDU TXS */
+ if (le32_get_bits(txs_data[0], MT_TXS0_TXS_FORMAT) == 0) {
+ skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list);
+ if (skb) {
+ info = IEEE80211_SKB_CB(skb);
+ if (!(txs & MT_TXS0_ACK_ERROR_MASK))
+ info->flags |= IEEE80211_TX_STAT_ACK;
- info->status.ampdu_len = 1;
- info->status.ampdu_ack_len =
- !!(info->flags & IEEE80211_TX_STAT_ACK);
+ info->status.ampdu_len = 1;
+ info->status.ampdu_ack_len =
+ !!(info->flags & IEEE80211_TX_STAT_ACK);
- info->status.rates[0].idx = -1;
+ info->status.rates[0].idx = -1;
+ }
}
if (mtk_wed_device_active(&dev->mt76.mmio.wed) && wcid->sta) {