r8169: use netif_receive_skb_list batching

Use netif_receive_skb_list() instead of napi_gro_receive() to benefit
from batched skb processing.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: hkallweit

drivers/net/ethernet/realtek/r8169.c

@@ -6426,6 +6426,7 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
 {
 	unsigned int cur_rx, rx_left;
 	unsigned int count;
+	LIST_HEAD(rx_list);
 
 	cur_rx = tp->cur_rx;
 
@@ -6501,7 +6502,7 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
 			if (skb->pkt_type == PACKET_MULTICAST)
 				dev->stats.multicast++;
 
-			napi_gro_receive(&tp->napi, skb);
+			list_add_tail(&skb->list, &rx_list);
 
 			u64_stats_update_begin(&tp->rx_stats.syncp);
 			tp->rx_stats.packets++;
@@ -6516,6 +6517,8 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
 	count = cur_rx - tp->cur_rx;
 	tp->cur_rx = cur_rx;
 
+	netif_receive_skb_list(&rx_list);
+
 	return count;
 }