IGB_MAX_SCATTER
IGB_MAX_SCATTER, /* nsegments */
if (txr->tx_avail > IGB_MAX_SCATTER + IGB_TX_RESERVED) {
bus_dma_segment_t segs[IGB_MAX_SCATTER];
if (maxsegs > IGB_MAX_SCATTER)
maxsegs = IGB_MAX_SCATTER;
if (txr->tx_avail <= IGB_MAX_SCATTER + IGB_TX_RESERVED) {
if (nsegs >= txr->num_tx_desc - IGB_MAX_SCATTER - IGB_TX_RESERVED) {