vmxnet3_rxdesc
struct vmxnet3_rxdesc *rxd;
rxr->vxrxr_ndesc * sizeof(struct vmxnet3_rxdesc));
sizeof(struct vmxnet3_rxdesc) * scctx->isc_nrxd[1];
sizeof(struct vmxnet3_rxdesc) * scctx->isc_nrxd[2];
(struct vmxnet3_rxdesc *) vaddrs[q * nrxqs + 1 + i];
struct vmxnet3_rxdesc *vxrxr_rxd;