HFI1_VNIC_UP
set_bit(HFI1_VNIC_UP, &vinfo->flags);
clear_bit(HFI1_VNIC_UP, &vinfo->flags);
if (test_bit(HFI1_VNIC_UP, &vinfo->flags))
if (test_bit(HFI1_VNIC_UP, &vinfo->flags)) {