File content as of revision 4:d774541a34da:

#ifndef UIPETHERNET_CONF_H
    #define UIPETHERNET_CONF_H

/* for TCP */

    #define UIP_SOCKET_NUMPACKETS       5
    #define UIP_CONF_MAX_CONNECTIONS    4

/* for UDP
 * set UIP_CONF_UDP to 0 to disable UDP (saves aprox. 5kb flash) */

    #define UIP_CONF_UDP        1
    #define UIP_CONF_BROADCAST  1
    #define UIP_CONF_UDP_CONNS  4

/* number of attempts on write before returning number of bytes sent so far
 * set to -1 to block until connection is closed by timeout */

    #define UIP_ATTEMPTS_ON_WRITE   -1

/* timeout after which UIPClient::connect gives up. The timeout is specified in seconds.
 * if set to a number <= 0 connect will timeout when uIP does (which might be longer than you expect...) */

    #define UIP_CONNECT_TIMEOUT -1

/* periodic timer for uip (in ms) */

    #define UIP_PERIODIC_TIMER  250

/* timer to poll client for data after last write (in ms)
 * set to -1 to disable fast polling and rely on periodic only (saves 100 bytes flash) */

    #define UIP_CLIENT_TIMER    20
#endif