VMXNET3_MAX_RX_NDESC
.isc_nrxd_max = {VMXNET3_MAX_RX_NDESC, VMXNET3_MAX_RX_NDESC, VMXNET3_MAX_RX_NDESC},
(VMXNET3_MAX_RX_NDESC * VMXNET3_RXRINGS_PERQ)