/* Check so we don't checksum packets longer than oure RX_BUF - (ethlen +
len of IP-header) 14+20 */
if (iplen > IRDP_RX_BUF-34)
/* Check so we don't checksum packets longer than oure RX_BUF - (ethlen +
len of IP-header) 14+20 */
if (iplen > IRDP_RX_BUF-34)