1 files changed, 42 insertions, 1 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 3afe4c4cd7bb..59adf3312617 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -818,6 +818,43 @@ void mt76_free_device(struct mt76_dev *dev)
 }
 EXPORT_SYMBOL_GPL(mt76_free_device);
 
+static void mt76_reset_phy(struct mt76_phy *phy)
+{
+	if (!phy)
+		return;
+
+	INIT_LIST_HEAD(&phy->tx_list);
+}
+
+void mt76_reset_device(struct mt76_dev *dev)
+{
+	int i;
+
+	rcu_read_lock();
+	for (i = 0; i < ARRAY_SIZE(dev->wcid); i++) {
+		struct mt76_wcid *wcid;
+
+		wcid = rcu_dereference(dev->wcid[i]);
+		if (!wcid)
+			continue;
+
+		wcid->sta = 0;
+		mt76_wcid_cleanup(dev, wcid);
+		rcu_assign_pointer(dev->wcid[i], NULL);
+	}
+	rcu_read_unlock();
+
+	INIT_LIST_HEAD(&dev->wcid_list);
+	INIT_LIST_HEAD(&dev->sta_poll_list);
+	dev->vif_mask = 0;
+	memset(dev->wcid_mask, 0, sizeof(dev->wcid_mask));
+
+	mt76_reset_phy(&dev->phy);
+	for (i = 0; i < ARRAY_SIZE(dev->phys); i++)
+		mt76_reset_phy(dev->phys[i]);
+}
+EXPORT_SYMBOL_GPL(mt76_reset_device);
+
 struct mt76_phy *mt76_vif_phy(struct ieee80211_hw *hw,
 			      struct ieee80211_vif *vif)
 {
@@ -1679,6 +1716,10 @@ void mt76_wcid_cleanup(struct mt76_dev *dev, struct mt76_wcid *wcid)
 	skb_queue_splice_tail_init(&wcid->tx_pending, &list);
 	spin_unlock(&wcid->tx_pending.lock);
 
+	spin_lock(&wcid->tx_offchannel.lock);
+	skb_queue_splice_tail_init(&wcid->tx_offchannel, &list);
+	spin_unlock(&wcid->tx_offchannel.lock);
+
 	spin_unlock_bh(&phy->tx_lock);
 
 	while ((skb = __skb_dequeue(&list)) != NULL) {
@@ -1690,7 +1731,7 @@ EXPORT_SYMBOL_GPL(mt76_wcid_cleanup);
 
 void mt76_wcid_add_poll(struct mt76_dev *dev, struct mt76_wcid *wcid)
 {
-	if (test_bit(MT76_MCU_RESET, &dev->phy.state))
+	if (test_bit(MT76_MCU_RESET, &dev->phy.state) || !wcid->sta)
 		return;
 
 	spin_lock_bh(&dev->sta_poll_lock);