Symbol: E1000_FCRTH_RTH
drivers/net/ethernet/intel/e1000e/netdev.c
4052
fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
drivers/net/ethernet/intel/e1000e/netdev.c
4089
fc->high_water = ((pba << 10) * 9 / 10) & E1000_FCRTH_RTH;