qtnf_topaz_tx_bd
len = priv->tx_bd_num * sizeof(struct qtnf_topaz_tx_bd) +
vaddr = ((struct qtnf_topaz_tx_bd *)vaddr) + priv->tx_bd_num;
paddr += priv->tx_bd_num * sizeof(struct qtnf_topaz_tx_bd);
struct qtnf_topaz_tx_bd *txbd;
struct qtnf_topaz_tx_bd *txbd;
struct qtnf_topaz_tx_bd *txbd;
struct qtnf_topaz_tx_bd *tx_bd_vbase;