MLXBF_GIGE_RX_MAC_FILTER_GENERAL
data = readq(base + MLXBF_GIGE_RX_MAC_FILTER_GENERAL);
writeq(data, base + MLXBF_GIGE_RX_MAC_FILTER_GENERAL);
data = readq(base + MLXBF_GIGE_RX_MAC_FILTER_GENERAL);
writeq(data, base + MLXBF_GIGE_RX_MAC_FILTER_GENERAL);