e1000e: Add GRO support

This patch adds GRO support to e1000e by making it invoke napi_gro_receive
instead of netif_receive_skb.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index a4278bb..f7b0560 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -102,7 +102,7 @@
 		vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
 					 le16_to_cpu(vlan));
 	else
-		netif_receive_skb(skb);
+		napi_gro_receive(&adapter->napi, skb);
 }
 
 /**