be2net: Add be_rx_polls counter

Add be_rx_polls to count number of times NAPI called rx poll function.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 10262fa..f3e97ab 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1381,6 +1381,7 @@
 	struct be_eth_rx_compl *rxcp;
 	u32 work_done;
 
+	adapter->stats.drvr_stats.be_rx_polls++;
 	for (work_done = 0; work_done < budget; work_done++) {
 		rxcp = be_rx_compl_get(adapter);
 		if (!rxcp)