net/mlx4: Replace mlx4_en_mac_to_u64() with mlx4_mac_to_u64()

Currently, the EN driver uses a private static function
mlx4_en_mac_to_u64(). Move it to a common include file (driver.h)
for mlx4_en and mlx4_ib for further use.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 22 insertions, 23 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 2c0823bf3e05..3db594614fd3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -603,7 +603,7 @@ static int mlx4_en_get_qp(struct mlx4_en_priv *priv)
         int err = 0;
         u64 reg_id;
         int *qpn = &priv->base_qpn;
-        u64 mac = mlx4_en_mac_to_u64(priv->dev->dev_addr);
+        u64 mac = mlx4_mac_to_u64(priv->dev->dev_addr);
 
         en_dbg(DRV, priv, "Registering MAC: %pM for adding\n",
                priv->dev->dev_addr);
@@ -672,7 +672,7 @@ static void mlx4_en_put_qp(struct mlx4_en_priv *priv)
         u64 mac;
 
         if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) {
-                mac = mlx4_en_mac_to_u64(priv->dev->dev_addr);
+                mac = mlx4_mac_to_u64(priv->dev->dev_addr);
                 en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n",
                        priv->dev->dev_addr);
                 mlx4_unregister_mac(dev, priv->port, mac);
@@ -685,7 +685,7 @@ static void mlx4_en_put_qp(struct mlx4_en_priv *priv)
                 for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) {
                         bucket = &priv->mac_hash[i];
                         hlist_for_each_entry_safe(entry, tmp, bucket, hlist) {
-                                mac = mlx4_en_mac_to_u64(entry->mac);
+                                mac = mlx4_mac_to_u64(entry->mac);
                                 en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n",
                                        entry->mac);
                                 mlx4_en_uc_steer_release(priv, entry->mac,
@@ -715,14 +715,14 @@ static int mlx4_en_replace_mac(struct mlx4_en_priv *priv, int qpn,
         struct mlx4_en_dev *mdev = priv->mdev;
         struct mlx4_dev *dev = mdev->dev;
         int err = 0;
-        u64 new_mac_u64 = mlx4_en_mac_to_u64(new_mac);
+        u64 new_mac_u64 = mlx4_mac_to_u64(new_mac);
 
         if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) {
                 struct hlist_head *bucket;
                 unsigned int mac_hash;
                 struct mlx4_mac_entry *entry;
                 struct hlist_node *tmp;
-                u64 prev_mac_u64 = mlx4_en_mac_to_u64(prev_mac);
+                u64 prev_mac_u64 = mlx4_mac_to_u64(prev_mac);
 
                 bucket = &priv->mac_hash[prev_mac[MLX4_EN_MAC_HASH_IDX]];
                 hlist_for_each_entry_safe(entry, tmp, bucket, hlist) {
@@ -751,18 +751,6 @@ static int mlx4_en_replace_mac(struct mlx4_en_priv *priv, int qpn,
         return __mlx4_replace_mac(dev, priv->port, qpn, new_mac_u64);
 }
 
-u64 mlx4_en_mac_to_u64(u8 *addr)
-{
-        u64 mac = 0;
-        int i;
-
-        for (i = 0; i < ETH_ALEN; i++) {
-                mac <<= 8;
-                mac |= addr[i];
-        }
-        return mac;
-}
-
 static int mlx4_en_do_set_mac(struct mlx4_en_priv *priv)
 {
         int err = 0;
@@ -1081,7 +1069,7 @@ static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
                 mlx4_en_cache_mclist(dev);
                 netif_addr_unlock_bh(dev);
                 list_for_each_entry(mclist, &priv->mc_list, list) {
-                        mcast_addr = mlx4_en_mac_to_u64(mclist->addr);
+                        mcast_addr = mlx4_mac_to_u64(mclist->addr);
                         mlx4_SET_MCAST_FLTR(mdev->dev, priv->port,
                                             mcast_addr, 0, MLX4_MCAST_CONFIG);
                 }
@@ -1173,7 +1161,7 @@ static void mlx4_en_do_uc_filter(struct mlx4_en_priv *priv,
                                 found = true;
 
                         if (!found) {
-                                mac = mlx4_en_mac_to_u64(entry->mac);
+                                mac = mlx4_mac_to_u64(entry->mac);
                                 mlx4_en_uc_steer_release(priv, entry->mac,
                                                          priv->base_qpn,
                                                          entry->reg_id);
@@ -1216,7 +1204,7 @@ static void mlx4_en_do_uc_filter(struct mlx4_en_priv *priv,
                                 priv->flags |= MLX4_EN_FLAG_FORCE_PROMISC;
                                 break;
                         }
-                        mac = mlx4_en_mac_to_u64(ha->addr);
+                        mac = mlx4_mac_to_u64(ha->addr);
                         memcpy(entry->mac, ha->addr, ETH_ALEN);
                         err = mlx4_register_mac(mdev->dev, priv->port, mac);
                         if (err < 0) {
@@ -2206,7 +2194,7 @@ static int mlx4_en_set_vf_mac(struct net_device *dev, int queue, u8 *mac)
 {
         struct mlx4_en_priv *en_priv = netdev_priv(dev);
         struct mlx4_en_dev *mdev = en_priv->mdev;
-        u64 mac_u64 = mlx4_en_mac_to_u64(mac);
+        u64 mac_u64 = mlx4_mac_to_u64(mac);
 
         if (!is_valid_ether_addr(mac))
                 return -EINVAL;
@@ -2407,7 +2395,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
                 if (mlx4_is_slave(priv->mdev->dev)) {
                         eth_hw_addr_random(dev);
                         en_warn(priv, "Assigned random MAC address %pM\n", dev->dev_addr);
-                        mac_u64 = mlx4_en_mac_to_u64(dev->dev_addr);
+                        mac_u64 = mlx4_mac_to_u64(dev->dev_addr);
                         mdev->dev->caps.def_mac[priv->port] = mac_u64;
                 } else {
                         en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n",
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index c59011d4e830..4ff7da83c4b3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -797,7 +797,6 @@ void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv);
 
 #define MLX4_EN_NUM_SELF_TEST   5
 void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf);
-u64 mlx4_en_mac_to_u64(u8 *addr);
 void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev);
 
 /*
diff --git a/include/linux/mlx4/driver.h b/include/linux/mlx4/driver.h
index c257e1b211be..022055c8fb26 100644
--- a/include/linux/mlx4/driver.h
+++ b/include/linux/mlx4/driver.h
@@ -64,4 +64,16 @@ void mlx4_unregister_interface(struct mlx4_interface *intf);
 
 void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
 
+static inline u64 mlx4_mac_to_u64(u8 *addr)
+{
+        u64 mac = 0;
+        int i;
+
+        for (i = 0; i < ETH_ALEN; i++) {
+                mac <<= 8;
+                mac |= addr[i];
+        }
+        return mac;
+}
+
 #endif /* MLX4_DRIVER_H */