1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index 070bd7d1ae4c..082f5ee9e525 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -556,7 +556,7 @@ static int dwxgmac2_rss_configure(struct mac_device_info *hw,
 }
 
 static void dwxgmac2_update_vlan_hash(struct mac_device_info *hw, u32 hash,
-				      bool is_double)
+				      __le16 perfect_match, bool is_double)
 {
 	void __iomem *ioaddr = hw->pcsr;
 
@@ -577,6 +577,21 @@ static void dwxgmac2_update_vlan_hash(struct mac_device_info *hw, u32 hash,
 		}
 
 		writel(value, ioaddr + XGMAC_VLAN_TAG);
+	} else if (perfect_match) {
+		u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);
+
+		value |= XGMAC_FILTER_VTFE;
+
+		writel(value, ioaddr + XGMAC_PACKET_FILTER);
+
+		value = XGMAC_VLAN_ETV;
+		if (is_double) {
+			value |= XGMAC_VLAN_EDVLP;
+			value |= XGMAC_VLAN_ESVL;
+			value |= XGMAC_VLAN_DOVLTC;
+		}
+
+		writel(value | perfect_match, ioaddr + XGMAC_VLAN_TAG);
 	} else {
 		u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);