src/lwip/efr32/lwipopts.h - third_party/github/project-chip/connectedhomeip - Git at Google

 #if defined(WF200_WIFI)
 #include "lwipopts-wf200.h"
 #elif defined(RS911X_WIFI)
 #include "lwipopts-rs911x.h"
 #else
 #include "lwipopts-thread.h"
 #endif
	#if defined(WF200_WIFI)
	#include "lwipopts-wf200.h"
	#elif defined(RS911X_WIFI)
	#include "lwipopts-rs911x.h"
	#else
	#include "lwipopts-thread.h"
	#endif