TXINFO_SIZE
skbdesc->desc_len = (entry->queue->qid == QID_BEACON) ? TXINFO_SIZE :
entry_priv->desc, TXINFO_SIZE);
rt2x00mmio_register_multiwrite(rt2x00dev, beacon_base + TXINFO_SIZE,
queue->desc_size = TXINFO_SIZE;
queue->desc_size = TXINFO_SIZE;