#include "lwip/arch.h"
#include "lwip/arch.h"
#include "lwip/prot/ieee.h"
#include "lwip/prot/ieee.h"
#define LWIP_HDR_PROT_ETHERNET_H
#define ETH_HWADDR_LEN ETHARP_HWADDR_LEN /* compatibility mode */
#define ETH_HWADDR_LEN 6