feat: wi-fi - join WPA2/WPA3-PSK networks and carry traffic like ethernet

kernel/src/Net/Ethernet.hpp

@@ -30,7 +30,10 @@ namespace Net::Ethernet {
     // Send an Ethernet frame with the given EtherType and payload
     bool Send(const uint8_t* destMac, uint16_t etherType, const uint8_t* payload, uint16_t payloadLen);
 
-    // Called by E1000 RX handler to dispatch received frames
+    // Called by a driver's RX handler to dispatch received frames
     void OnFrameReceived(const uint8_t* data, uint16_t length);
 
+    // MAC address of the interface currently carrying traffic
+    const uint8_t* GetMacAddress();
+
 }