i40e/i40evf: Update RSS configuration

This patch changes the RSS configuration to set table size
and write to hardware to confirm RSS table size being used.

Change-ID: I455a4c09c9dd479f5791ee1f09fdc83ff9908df5
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 60f9a73..817e179 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -350,6 +350,7 @@
 	u32 rx_hwtstamp_cleared;
 	bool ptp_tx;
 	bool ptp_rx;
+	u16 rss_table_size;
 };
 
 struct i40e_mac_filter {