#define DHCP_SERVICE_SIGNATURE SIGNATURE_32 ('D', 'H', 'C', 'P')\r
#define DHCP_PROTOCOL_SIGNATURE SIGNATURE_32 ('d', 'h', 'c', 'p')\r
\r
+#define DHCP_CHECK_MEDIA_WAITING_TIME EFI_TIMER_PERIOD_SECONDS(20)\r
\r
//\r
// The state of the DHCP service. It starts as UNCONFIGED. If\r