diff --git a/subprojects/ncsid/src/net_config.h b/subprojects/ncsid/src/net_config.h
index 7aeb18b..02c9aff 100644
--- a/subprojects/ncsid/src/net_config.h
+++ b/subprojects/ncsid/src/net_config.h
@@ -53,22 +53,22 @@
     virtual int set_nic_hostless(bool is_nic_hostless) = 0;
 };
 
-// Calls phosphord-networkd
+// Calls Socket Ioctl to obtain information about NIC (previously
+// phosphor-networkd)
 class PhosphorConfig : public ConfigBase
 {
   public:
     explicit PhosphorConfig(const std::string& iface_name);
 
-    // Reads the MAC address from phosphor-networkd interface or internal
+    // Reads the MAC address from socket interface or internal
     // cache, and store in the mac pointer.
     // Returns -1 if failed, 0 if succeeded.
     int get_mac_addr(mac_addr_t* mac) override;
 
-    // Sets the MAC address over phosphor-networkd, and update internal
+    // Sets the MAC address over socket, and update internal
     // cache.
     // Returns -1 if failed, 0 if succeeded.
     int set_mac_addr(const mac_addr_t& mac) override;
-
     virtual int set_nic_hostless(bool is_nic_hostless) override;
 
   private:
@@ -81,6 +81,10 @@
     // Stores the currently configured nic state, if previously set
     std::optional<bool> was_nic_hostless_;
 
+    // Function helper allows get_mac_addr and set_mac_addr to do
+    // ioctl calls to get and set different states of NIC.
+    void call_nic(auto fd, struct ifreq& ifr, int op);
+
     // The MAC address obtained from NIC.
     // ncsid will commit this MAC address over DBus to phosphor-networkd
     // and expect it to be persisted. If actual host MAC address changes or