cxgb4vf: add ethtool statistics for GRO.

Add ethtool statistics for GRO.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/cxgb4vf/cxgb4vf_main.c

@@ -1346,6 +1346,8 @@ struct queue_port_stats {
 	u64 rx_csum;
 	u64 vlan_ex;
 	u64 vlan_ins;
+	u64 lro_pkts;
+	u64 lro_merged;
 };
 
 /*
@@ -1383,6 +1385,8 @@ static const char stats_strings[][ETH_GSTRING_LEN] = {
 	"RxCsumGood        ",
 	"VLANextractions   ",
 	"VLANinsertions    ",
+	"GROPackets        ",
+	"GROMerged         ",
 };
 
 /*
@@ -1432,6 +1436,8 @@ static void collect_sge_port_stats(const struct adapter *adapter,
 		stats->rx_csum += rxq->stats.rx_cso;
 		stats->vlan_ex += rxq->stats.vlan_ex;
 		stats->vlan_ins += txq->vlan_ins;
+		stats->lro_pkts += rxq->stats.lro_pkts;
+		stats->lro_merged += rxq->stats.lro_merged;
 	}
 }