wifi: mt76: mt7915 add tc offloading support

This is used for offloading flows from WLAN to Ethernet, or from WLAN to WLAN
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7915/init.c

@@ -344,6 +344,9 @@ mt7915_init_wiphy(struct mt7915_phy *phy)
 	hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF_HE;
 	hw->netdev_features = NETIF_F_RXCSUM;
 
+	if (mtk_wed_device_active(&mdev->mmio.wed))
+		hw->netdev_features |= NETIF_F_HW_TC;
+
 	hw->radiotap_timestamp.units_pos =
 		IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US;
 

drivers/net/wireless/mediatek/mt76/mt7915/main.c

@@ -1653,6 +1653,20 @@ mt7915_net_fill_forward_path(struct ieee80211_hw *hw,
 
 	return 0;
 }
+
+static int
+mt7915_net_setup_tc(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+		    struct net_device *netdev, enum tc_setup_type type,
+		    void *type_data)
+{
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
+
+	if (!mtk_wed_device_active(wed))
+		return -EOPNOTSUPP;
+
+	return mtk_wed_device_setup_tc(wed, netdev, type, type_data);
+}
 #endif
 
 const struct ieee80211_ops mt7915_ops = {
@@ -1707,5 +1721,6 @@ const struct ieee80211_ops mt7915_ops = {
 	.set_radar_background = mt7915_set_radar_background,
 #ifdef CONFIG_NET_MEDIATEK_SOC_WED
 	.net_fill_forward_path = mt7915_net_fill_forward_path,
+	.net_setup_tc = mt7915_net_setup_tc,
 #endif
 };