diff --git a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 5d20651..0e34957 100755
--- a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3068,6 +3068,15 @@
 	}
 }
 
+void mtk_set_pse_drop(u32 config)
+{
+	struct mtk_eth *eth = g_eth;
+
+	if (eth)
+		mtk_w32(eth, config, PSE_PPE0_DROP);
+}
+EXPORT_SYMBOL(mtk_set_pse_drop);
+
 static int mtk_open(struct net_device *dev)
 {
 	struct mtk_mac *mac = netdev_priv(dev);
diff --git a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 1a11af6..00eec80 100755
--- a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -1601,6 +1601,7 @@
 };
 
 /* the struct describing the SoC. these are declared in the soc_xyz.c files */
+extern struct mtk_eth *g_eth;
 extern const struct of_device_id of_mtk_match[];
 extern u32 mtk_hwlro_stats_ebl;