NFE_JPOOL_SIZE
error = bus_dmamap_create(sc->sc_dmat, NFE_JPOOL_SIZE, 1,
NFE_JPOOL_SIZE, 0, BUS_DMA_NOWAIT, &ring->jmap);
error = bus_dmamem_alloc(sc->sc_dmat, NFE_JPOOL_SIZE, PAGE_SIZE, 0,
error = bus_dmamem_map(sc->sc_dmat, &ring->jseg, nsegs, NFE_JPOOL_SIZE,
NFE_JPOOL_SIZE, NULL, BUS_DMA_READ | BUS_DMA_NOWAIT);
bus_dmamem_unmap(sc->sc_dmat, ring->jpool, NFE_JPOOL_SIZE);