IGB_VF_MDD_BLOCKED
vf->flags &= ~IGB_VF_MDD_BLOCKED;
vf->flags &= ~IGB_VF_MDD_BLOCKED;
if ((vf->flags & IGB_VF_MDD_BLOCKED) != 0)
vf->flags |= IGB_VF_MDD_BLOCKED;
sc->vfs[i].flags &= ~IGB_VF_MDD_BLOCKED;