diff --git a/21.02/files/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/21.02/files/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 817920f..2f2a469 100644
--- a/21.02/files/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/21.02/files/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2077,10 +2077,11 @@
 	int queue = skb_get_queue_mapping(skb);
 	int k = 0;
 
-	if (skb->len < 32) {
+	if (skb->len <= 40) {
 		if (skb_put_padto(skb, MTK_MIN_TX_LENGTH))
 			return -ENOMEM;
 
+		txd_info.last = !skb_is_nonlinear(skb);
 		txd_info.size = skb_headlen(skb);
 	}