--- zzzz-none-000/linux-4.4.271/net/ethernet/eth.c	2021-06-03 06:22:09.000000000 +0000
+++ maple-fsgw-759/linux-4.4.271/net/ethernet/eth.c	2023-12-20 10:37:40.000000000 +0000
@@ -140,6 +140,18 @@
 }
 EXPORT_SYMBOL(eth_get_headlen);
 
+static inline bool
+eth_check_local_mask(const void *addr1, const void *addr2, const void *mask)
+{
+	const u16 *a1 = addr1;
+	const u16 *a2 = addr2;
+	const u16 *m = mask;
+
+	return (((a1[0] ^ a2[0]) & ~m[0]) |
+		((a1[1] ^ a2[1]) & ~m[1]) |
+		((a1[2] ^ a2[2]) & ~m[2]));
+}
+
 /**
  * eth_type_trans - determine the packet's protocol ID.
  * @skb: received socket data
@@ -156,6 +168,12 @@
 	const struct ethhdr *eth;
 
 	skb->dev = dev;
+
+#ifdef CONFIG_ETHERNET_PACKET_MANGLE
+	if (dev->eth_mangle_rx)
+		dev->eth_mangle_rx(dev, skb);
+#endif
+
 	skb_reset_mac_header(skb);
 
 	eth = (struct ethhdr *)skb->data;
@@ -168,8 +186,12 @@
 			skb->pkt_type = PACKET_MULTICAST;
 	}
 	else if (unlikely(!ether_addr_equal_64bits(eth->h_dest,
-						   dev->dev_addr)))
+						   dev->dev_addr))) {
 		skb->pkt_type = PACKET_OTHERHOST;
+		if (eth_check_local_mask(eth->h_dest, dev->dev_addr,
+					 dev->local_addr_mask))
+			skb->gro_skip = 1;
+	}
 
 	/*
 	 * Some variants of DSA tagging don't have an ethertype field