TX_FETCH_INDEX
fetch_index = ENIC_BUS_READ_4(vdev->devcmd2->wq.ctrl, TX_FETCH_INDEX);
fetch_index = ENIC_BUS_READ_4(dc2c->wq_ctrl, TX_FETCH_INDEX);
ENIC_BUS_WRITE_4(wq->ctrl, TX_FETCH_INDEX, fetch_index);
ENIC_BUS_WRITE_4(wq->ctrl, TX_FETCH_INDEX, 0);