E1000_TXDCTL_WTHRESH  998 dev/pci/if_em_hw.c         ctrl = (ctrl & ~E1000_TXDCTL_WTHRESH) | E1000_TXDCTL_FULL_TX_DESC_WB;
E1000_TXDCTL_WTHRESH 1035 dev/pci/if_em_hw.c         ctrl = (ctrl & ~E1000_TXDCTL_WTHRESH) | E1000_TXDCTL_FULL_TX_DESC_WB;