ixgbe: Add support for enabling UDP RSS via the ethtool rx-flow-hash command

This patch adds support for enabling or disabling UDP RSS via the
ethtool -N rx-flow-hash command.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 8620414..4ceac3a 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -438,7 +438,8 @@
 #define IXGBE_FLAG2_SFP_NEEDS_RESET             (u32)(1 << 5)
 #define IXGBE_FLAG2_RESET_REQUESTED             (u32)(1 << 6)
 #define IXGBE_FLAG2_FDIR_REQUIRES_REINIT        (u32)(1 << 7)
-
+#define IXGBE_FLAG2_RSS_FIELD_IPV4_UDP		(u32)(1 << 8)
+#define IXGBE_FLAG2_RSS_FIELD_IPV6_UDP		(u32)(1 << 9)
 
 	/* Tx fast path data */
 	int num_tx_queues;