IXGBE_FCTRL_MPE
reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
fctrl |= IXGBE_FCTRL_MPE;
fctrl |= IXGBE_FCTRL_MPE;
fctrl |= IXGBE_FCTRL_MPE;