RCB_RING_TX_RING_FBDNUM_REG
regs[17] = dsaf_read_dev(queue, RCB_RING_TX_RING_FBDNUM_REG);
RCB_RING_TX_RING_FBDNUM_REG);
dsaf_read_dev(queue, RCB_RING_TX_RING_FBDNUM_REG);
tx_fbd_num = dsaf_read_dev(q, RCB_RING_TX_RING_FBDNUM_REG);