IWM_MAX_SCATTER
nsegments = IWM_MAX_SCATTER - 2;
bus_dma_segment_t *seg, segs[IWM_MAX_SCATTER];
m1 = m_collapse(m, M_NOWAIT, IWM_MAX_SCATTER - 2);
bus_dma_segment_t *seg, segs[IWM_MAX_SCATTER];
m1 = m_collapse(m, M_NOWAIT, IWM_MAX_SCATTER - 2);