/* This function is called by the TCP/IP stack when an IP packet should be sent. It calls the function called low_level_output() to do the actual transmission of the packet.  */
static err_t xemacpsif_output(struct netif *netif, struct pbuf *p, const ip_addr_t *ipaddr)
/* This function is called by the TCP/IP stack when an IP packet should be sent. It calls the function called low_level_output() to do the actual transmission of the packet.  */
static err_t xemacpsif_output(struct netif *netif, struct pbuf *p, const ip_addr_t *ipaddr)
{
    return etharp_output(netif, p, ipaddr);
}