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wifi: mt76: mt7996: check txs format before getting skb by pid
[ Upstream commit9c9c25f1dc
] 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:2569ea5326
("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> Signed-off-by: Sasha Levin <sashal@kernel.org>
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parent
76e156e385
commit
03ef98ed99
1 changed files with 13 additions and 10 deletions
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@ -1178,25 +1178,28 @@ mt7996_mac_add_txs_skb(struct mt7996_dev *dev, struct mt76_wcid *wcid,
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struct ieee80211_tx_info *info;
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struct sk_buff_head list;
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struct rate_info rate = {};
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struct sk_buff *skb;
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struct sk_buff *skb = NULL;
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bool cck = false;
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u32 txrate, txs, mode, stbc;
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txs = le32_to_cpu(txs_data[0]);
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mt76_tx_status_lock(mdev, &list);
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skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list);
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if (skb) {
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info = IEEE80211_SKB_CB(skb);
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if (!(txs & MT_TXS0_ACK_ERROR_MASK))
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info->flags |= IEEE80211_TX_STAT_ACK;
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/* only report MPDU TXS */
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if (le32_get_bits(txs_data[0], MT_TXS0_TXS_FORMAT) == 0) {
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skb = mt76_tx_status_skb_get(mdev, wcid, pid, &list);
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if (skb) {
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info = IEEE80211_SKB_CB(skb);
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if (!(txs & MT_TXS0_ACK_ERROR_MASK))
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info->flags |= IEEE80211_TX_STAT_ACK;
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info->status.ampdu_len = 1;
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info->status.ampdu_ack_len =
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!!(info->flags & IEEE80211_TX_STAT_ACK);
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info->status.ampdu_len = 1;
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info->status.ampdu_ack_len =
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!!(info->flags & IEEE80211_TX_STAT_ACK);
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info->status.rates[0].idx = -1;
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info->status.rates[0].idx = -1;
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}
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}
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if (mtk_wed_device_active(&dev->mt76.mmio.wed) && wcid->sta) {
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