#ifndef __ETHERNETIF_H
#define __ETHERNETIF_H

#include "lwip/err.h"
#include "lwip/netif.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * Should be called at the beginning of the program to set up the
 * network interface. It calls the function low_level_init() to do the
 * actual setup of the hardware.
 *
 * This function should be passed as a parameter to netif_add().
 *
 * @param netif the lwip network interface structure for this ethernetif
 * @return ERR_OK if the loopif is initialized
 *         ERR_MEM if private data couldn't be allocated
 *         any other err_t on error
 */
err_t ethernetif_init(struct netif* netif);

/**
 * This function should be called when a packet is ready to be read
 * from the interface. It uses the function low_level_input() that
 * should handle the actual reception of bytes from the network
 * interface. Then the type of the received packet is determined and
 * the appropriate input function is called.
 *
 * @param netif the lwip network interface structure for this ethernetif
 */
void ethernetif_input(struct netif* netif);

/**
 * This function should be called periodically from the main loop
 * to check the link status and update lwIP accordingly.
 *
 * @param netif the lwip network interface structure for this ethernetif
 */
void ethernetif_link_poll(struct netif* netif);

#ifdef __cplusplus
}
#endif

#endif /* __ETHERNETIF_H */