MCX_WQ_DOORBELL_BASE
CTASSERT(MCX_MAX_QUEUES * MCX_CQ_DOORBELL_STRIDE < MCX_WQ_DOORBELL_BASE);
MCX_DOORBELL_AREA_SIZE - MCX_WQ_DOORBELL_BASE);
rx->rx_doorbell = MCX_WQ_DOORBELL_BASE +
tx->tx_doorbell = MCX_WQ_DOORBELL_BASE +