ETDES0_FIRST_SEGMENT 328 drivers/net/ethernet/stmicro/stmmac/enh_desc.c tdes0 |= ETDES0_FIRST_SEGMENT; ETDES0_FIRST_SEGMENT 330 drivers/net/ethernet/stmicro/stmmac/enh_desc.c tdes0 &= ~ETDES0_FIRST_SEGMENT;