txq->txq_hw_ring = info->txq_hw_ring;
txq->doorbell = (volatile uint8_t *)info->mem_bar +
ER_DZ_TX_DESC_UPD_REG_OFST +
- info->hw_index * ER_DZ_TX_DESC_UPD_REG_STEP;
+ (info->hw_index << info->vi_window_shift);
txq->evq_hw_ring = info->evq_hw_ring;
*dp_txqp = &txq->dp;