diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 1116ab9bea6c..d6a585a143dc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1127,7 +1127,7 @@ int mlx5_esw_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num,
 						  MODIFY_SCHEDULING_ELEMENT_IN_MODIFY_BITMASK_MAX_AVERAGE_BW);
 }
 
-static void node_guid_gen_from_mac(u64 *node_guid, u8 mac[ETH_ALEN])
+static void node_guid_gen_from_mac(u64 *node_guid, const u8 *mac)
 {
 	((u8 *)node_guid)[7] = mac[0];
 	((u8 *)node_guid)[6] = mac[1];
@@ -1779,7 +1779,7 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
 
 /* Vport Administration */
 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
-			       u16 vport, u8 mac[ETH_ALEN])
+			       u16 vport, const u8 *mac)
 {
 	struct mlx5_vport *evport = mlx5_eswitch_get_vport(esw, vport);
 	u64 node_guid;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index a5175e98c0b3..165a23efc608 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -311,7 +311,7 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs);
 void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw, bool clear_vf);
 void mlx5_eswitch_disable(struct mlx5_eswitch *esw, bool clear_vf);
 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
-			       u16 vport, u8 mac[ETH_ALEN]);
+			       u16 vport, const u8 *mac);
 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
 				 u16 vport, int link_state);
 int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
index c107d92dc118..88cdb9bb4c4a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -173,7 +173,7 @@ int mlx5_query_mac_address(struct mlx5_core_dev *mdev, u8 *addr)
 EXPORT_SYMBOL_GPL(mlx5_query_mac_address);
 
 int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *mdev,
-				      u16 vport, u8 *addr)
+				      u16 vport, const u8 *addr)
 {
 	void *in;
 	int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h
index 8170da1e9f70..4db87bcfce7b 100644
--- a/include/linux/mlx5/vport.h
+++ b/include/linux/mlx5/vport.h
@@ -75,7 +75,7 @@ void mlx5_query_min_inline(struct mlx5_core_dev *mdev, u8 *min_inline);
 int mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev *mdev,
 				     u16 vport, u8 min_inline);
 int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *dev,
-				      u16 vport, u8 *addr);
+				      u16 vport, const u8 *addr);
 int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu);
 int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu);
 int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,