BRVLAN_TEST
if (!BRVLAN_TEST(vlans, vlan)) {
while (last < DOT1Q_VID_MAX && BRVLAN_TEST(vlans, last + 1))
if (BRVLAN_TEST(&req->bv_set, DOT1Q_VID_NULL) ||
BRVLAN_TEST(&req->bv_set, DOT1Q_VID_RSVD_IMPL))
if (!BRVLAN_TEST(&sbif->bif_vlan_set, vlan))
if (BRVLAN_TEST(&dbif->bif_vlan_set, vlan))