IFC_PREFETCH
if (rxq->ifr_ctx->ifc_flags & IFC_PREFETCH)
if (ctx->ifc_flags & IFC_PREFETCH) {
do_prefetch = (txq->ift_ctx->ifc_flags & IFC_PREFETCH);
do_prefetch = (ctx->ifc_flags & IFC_PREFETCH);
ctx->ifc_flags |= IFC_PREFETCH;