is_vlan_dev
if ((attr->ndev) && is_vlan_dev(attr->ndev))
if (is_vlan_dev(gattr->ndev))
if (sgid_attr->ndev && is_vlan_dev(sgid_attr->ndev))
is_vlan = is_vlan_dev(ha->ifp);
is_vlan = is_vlan_dev(dev->ha->ifp);
if (event != IFNET_EVENT_PCP || is_vlan_dev(ifp))