E1000_VLVF_VLANID_ENABLE
if ((vlvf[i] & E1000_VLVF_VLANID_ENABLE) != 0 &&
(vlvf[i] & E1000_VLVF_VLANID_ENABLE) == 0)
if ((old_vlvf[i] & E1000_VLVF_VLANID_ENABLE) != 0 &&
(vlvf[i] & E1000_VLVF_VLANID_ENABLE) == 0) {
vlvf[free_slot] = E1000_VLVF_VLANID_ENABLE | vid |
if ((vlvf[i] & E1000_VLVF_VLANID_ENABLE) != 0)