net: Make RX-FCS and HW GRO mutually exclusive

Same as LRO, hardware GRO cannot be enabled with RX-FCS.
When both are requested, hardware GRO will be dropped.
Suggested-by: David Miller <davem@davemloft.net>
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/dev.c

@@ -7549,12 +7549,19 @@ static netdev_features_t netdev_fix_features(struct net_device *dev,
 		}
 	}
 
-	/* LRO feature cannot be combined with RX-FCS */
-	if ((features & NETIF_F_LRO) && (features & NETIF_F_RXFCS)) {
+	/* LRO/HW-GRO features cannot be combined with RX-FCS */
+	if (features & NETIF_F_RXFCS) {
+		if (features & NETIF_F_LRO) {
 			netdev_dbg(dev, "Dropping LRO feature since RX-FCS is requested.\n");
 			features &= ~NETIF_F_LRO;
 		}
 
+		if (features & NETIF_F_GRO_HW) {
+			netdev_dbg(dev, "Dropping HW-GRO feature since RX-FCS is requested.\n");
+			features &= ~NETIF_F_GRO_HW;
+		}
+	}
+
 	return features;
 }