xmt_underrun_pkts
new_stats->tx_errors = amd8111e_read_mib(mmio, xmt_underrun_pkts);
new_stats->tx_dropped = amd8111e_read_mib(mmio, xmt_underrun_pkts);
new_stats->tx_fifo_errors = amd8111e_read_mib(mmio, xmt_underrun_pkts);