MAC_DIRECTION_TX
t3_mac_enable(mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX);
if (which & MAC_DIRECTION_TX)
if (which & MAC_DIRECTION_TX)
if (which & MAC_DIRECTION_TX) {
if (which & MAC_DIRECTION_TX) {
t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX);
t3_mac_enable(mac, MAC_DIRECTION_RX | MAC_DIRECTION_TX);