ionic: count csum_none when offload enabled

Be sure to count the csum_none cases when csum offload is
enabled.

Fixes: 0f3154e6 ("ionic: Add Tx and Rx handling")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/pensando/ionic/ionic_txrx.c

@@ -274,12 +274,11 @@ static void ionic_rx_clean(struct ionic_queue *q,
 		}
 	}
 
-	if (likely(netdev->features & NETIF_F_RXCSUM)) {
-		if (comp->csum_flags & IONIC_RXQ_COMP_CSUM_F_CALC) {
+	if (likely(netdev->features & NETIF_F_RXCSUM) &&
+	    (comp->csum_flags & IONIC_RXQ_COMP_CSUM_F_CALC)) {
 		skb->ip_summed = CHECKSUM_COMPLETE;
 		skb->csum = (__force __wsum)le16_to_cpu(comp->csum);
 		stats->csum_complete++;
-		}
 	} else {
 		stats->csum_none++;
 	}