npi_rxdma_rdc_rcr_qlen_get
npi_status_t npi_rxdma_rdc_rcr_qlen_get(npi_handle_t,
(void) npi_rxdma_rdc_rcr_qlen_get(handle, rdc, &qlen);
rs = npi_rxdma_rdc_rcr_qlen_get(handle, channel, &qlen);