fc_low_water     1608 dev/pci/if_em.c 	sc->hw.fc_low_water = sc->hw.fc_high_water - 1500;
fc_low_water     1235 dev/pci/if_em_hw.c             E1000_WRITE_REG(hw, FCRTL, (hw->fc_low_water | E1000_FCRTL_XONE));
fc_low_water     1238 dev/pci/if_em_hw.c             E1000_WRITE_REG(hw, FCRTL, hw->fc_low_water);
fc_low_water     1412 dev/pci/if_em_hw.h     uint16_t fc_low_water;