staging: fsl-dpaa2/eth: Add "static" keyword where needed

Make a couple of locally used functions and structures static.
Issue found through static analysis tool.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c

@@ -1162,8 +1162,8 @@ static int dpaa2_eth_set_addr(struct net_device *net_dev, void *addr)
 /** Fill in counters maintained by the GPP driver. These may be different from
  * the hardware counters obtained by ethtool.
  */
-void dpaa2_eth_get_stats(struct net_device *net_dev,
-			 struct rtnl_link_stats64 *stats)
+static void dpaa2_eth_get_stats(struct net_device *net_dev,
+				struct rtnl_link_stats64 *stats)
 {
 	struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
 	struct rtnl_link_stats64 *percpu_stats;
@@ -1958,7 +1958,7 @@ static const struct dpaa2_eth_hash_fields hash_fields[] = {
 /* Set RX hash options
  * flags is a combination of RXH_ bits
  */
-int dpaa2_eth_set_hash(struct net_device *net_dev, u64 flags)
+static int dpaa2_eth_set_hash(struct net_device *net_dev, u64 flags)
 {
 	struct device *dev = net_dev->dev.parent;
 	struct dpaa2_eth_priv *priv = netdev_priv(net_dev);

drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h

@@ -339,8 +339,6 @@ struct dpaa2_eth_priv {
 extern const struct ethtool_ops dpaa2_ethtool_ops;
 extern const char dpaa2_eth_drv_version[];
 
-int dpaa2_eth_set_hash(struct net_device *net_dev, u64 flags);
-
 static int dpaa2_eth_queue_count(struct dpaa2_eth_priv *priv)
 {
 	return priv->dpni_attrs.num_queues;

drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c

@@ -34,7 +34,7 @@
 #include "dpaa2-eth.h"
 
 /* To be kept in sync with DPNI statistics */
-char dpaa2_ethtool_stats[][ETH_GSTRING_LEN] = {
+static char dpaa2_ethtool_stats[][ETH_GSTRING_LEN] = {
 	"rx frames",
 	"rx bytes",
 	"rx mcast frames",
@@ -56,7 +56,7 @@ char dpaa2_ethtool_stats[][ETH_GSTRING_LEN] = {
 
 #define DPAA2_ETH_NUM_STATS	ARRAY_SIZE(dpaa2_ethtool_stats)
 
-char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = {
+static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = {
 	/* per-cpu stats */
 	"tx conf frames",
 	"tx conf bytes",