IWM_ICT_SIZE
memset(sc->ict_dma.vaddr, 0, IWM_ICT_SIZE);
err = iwm_dma_contig_alloc(sc->sc_dmat, &sc->ict_dma, IWM_ICT_SIZE,
#define IWM_ICT_COUNT (IWM_ICT_SIZE / sizeof (uint32_t))