bsd/net/if_vlan.c

311 ifvlan_flags_promisc(ifvlan_ref ifv)
313     return ((ifv->ifv_flags & IFVF_PROMISC) != 0);
317 ifvlan_flags_set_promisc(ifvlan_ref ifv)
319     ifv->ifv_flags |= IFVF_PROMISC;
324 ifvlan_flags_clear_promisc(ifvlan_ref ifv)
326     ifv->ifv_flags &= ~IFVF_PROMISC;
331 ifvlan_flags_ready(ifvlan_ref ifv)
333     return ((ifv->ifv_flags & IFVF_READY) != 0);
337 ifvlan_flags_set_ready(ifvlan_ref ifv)
339     ifv->ifv_flags |= IFVF_READY;
344 ifvlan_flags_clear_ready(ifvlan_ref ifv)
346     ifv->ifv_flags &= ~IFVF_READY;
351 ifvlan_flags_detaching(ifvlan_ref ifv)
353     return ((ifv->ifv_flags & IFVF_DETACHING) != 0);
357 ifvlan_flags_set_detaching(ifvlan_ref ifv)
359     ifv->ifv_flags |= IFVF_DETACHING;
382 static	int vlan_unconfig(ifvlan_ref ifv, int need_to_wait);
385 static 	int vlan_remove(ifvlan_ref ifv, int need_to_wait);
396 static 	int ifvlan_new_mtu(ifvlan_ref ifv, int mtu);
402 ifvlan_retain(ifvlan_ref ifv)
404     if (ifv->ifv_signature != IFV_SIGNATURE) {
407     if (ifv->ifv_retain_count == 0) {
410     OSIncrementAtomic(&ifv->ifv_retain_count);
414 ifvlan_release(ifvlan_ref ifv)
418     if (ifv->ifv_signature != IFV_SIGNATURE) {
421     old_retain_count = OSDecrementAtomic(&ifv->ifv_retain_count);
428 	    printf("ifvlan_release(%s)\n", ifv->ifv_name);
430 	ifv->ifv_signature = 0;
431 	FREE(ifv, M_VLAN);
440 ifvlan_get_vlan_parent_retained(ifvlan_ref ifv)
442     vlan_parent_ref	vlp = ifv->ifv_vlp;
458     ifvlan_ref		ifv;
460     ifv = (ifvlan_ref)ifnet_softc(ifp);
461     return (ifv);
467     ifvlan_ref		ifv;
469     ifv = ifnet_get_ifvlan(ifp);
470     if (ifv == NULL) {
473     if (ifvlan_flags_detaching(ifv)) {
476     ifvlan_retain(ifv);
477     return (ifv);
481 ifnet_ifvlan_vlan_parent_ok(struct ifnet * ifp, ifvlan_ref ifv,
487     if (check_ifv != ifv || ifvlan_flags_detaching(ifv)) {
491     if (ifv->ifv_vlp != vlp) {
709     ifvlan_ref 		ifv;
714     ifv = ifnet_get_ifvlan_retained(ifp);
715     if (ifv == NULL) {
718     vlp = ifvlan_get_vlan_parent_retained(ifv);
726     if (ifnet_ifvlan_vlan_parent_ok(ifp, ifv, vlp) == FALSE) {
733     error = multicast_list_program(&ifv->ifv_multicast, ifp, p);
742     if (ifv != NULL) {
743 	ifvlan_release(ifv);
770     ifvlan_ref		ifv;
772     LIST_FOREACH(ifv, &vlp->vlp_vlan_list, ifv_vlan_list) {
773 	if (tag == ifv->ifv_tag) {
774 	    return (ifv);
796     ifvlan_ref		ifv;
798     LIST_FOREACH(ifv, &vlp->vlp_vlan_list, ifv_vlan_list) {
801 	if (exclude_ifv == ifv) {
804 	req_mtu = ifnet_mtu(ifv->ifv_ifp) + ifv->ifv_mtufudge;
852     ifvlan_ref 		ifv;
874     for (ifv = LIST_FIRST(&vlp->vlp_vlan_list); ifv != NULL; ifv = next) {
875 	struct ifnet *	ifp = ifv->ifv_ifp;
878 	next = LIST_NEXT(ifv, ifv_vlan_list);
879 	removed = vlan_remove(ifv, FALSE);
911 vlan_parent_add_vlan(vlan_parent_ref vlp, ifvlan_ref ifv, int tag)
913     LIST_INSERT_HEAD(&vlp->vlp_vlan_list, ifv, ifv_vlan_list);
914     ifv->ifv_vlp = vlp;
915     ifv->ifv_tag = tag;
920 vlan_parent_remove_vlan(__unused vlan_parent_ref vlp, ifvlan_ref ifv)
922     ifv->ifv_vlp = NULL;
923     LIST_REMOVE(ifv, ifv_vlan_list);
943 	ifvlan_ref					ifv;
951 	ifv = _MALLOC(sizeof(struct ifvlan), M_VLAN, M_WAITOK);
952 	if (ifv == NULL)
954 	bzero(ifv, sizeof(struct ifvlan));
955 	ifv->ifv_retain_count = 1;
956 	ifv->ifv_signature = IFV_SIGNATURE;
957 	multicast_list_init(&ifv->ifv_multicast);
961 	    snprintf(ifv->ifv_name, sizeof(ifv->ifv_name), "%s%d",
962 		     ifc->ifc_name, unit) >= sizeof(ifv->ifv_name)) {
963 	    ifvlan_release(ifv);
968 	vlan_init.uniqueid = ifv->ifv_name;
969 	vlan_init.uniqueid_len = strlen(ifv->ifv_name);
980 	vlan_init.softc = ifv;
989 	    ifvlan_release(ifv);
1001 	    ifvlan_release(ifv);
1004 	ifv->ifv_ifp = ifp;
1012 vlan_remove(ifvlan_ref ifv, int need_to_wait)
1015     if (ifvlan_flags_detaching(ifv)) {
1018     ifvlan_flags_set_detaching(ifv);
1019     vlan_unconfig(ifv, need_to_wait);
1027     ifvlan_ref ifv;
1030     ifv = ifnet_get_ifvlan_retained(ifp);
1031     if (ifv == NULL) {
1035     if (vlan_remove(ifv, TRUE) == 0) {
1037 	ifvlan_release(ifv);
1041     ifvlan_release(ifv);
1050     ifvlan_ref	ifv;
1053     ifv = ifnet_get_ifvlan_retained(ifp);
1054     if (ifv == NULL) {
1060             ifv->ifv_bpf_input = ifv->ifv_bpf_output = NULL;
1064             ifv->ifv_bpf_input = func;
1068 	    ifv->ifv_bpf_output = func;
1072             ifv->ifv_bpf_input = ifv->ifv_bpf_output = func;
1078     ifvlan_release(ifv);
1088     ifvlan_ref			ifv;
1104     ifv = ifnet_get_ifvlan_retained(ifp);
1105     if (ifv == NULL || ifvlan_flags_ready(ifv) == 0) {
1108     vlp = ifvlan_get_vlan_parent_retained(ifv);
1115     bpf_func = ifv->ifv_bpf_output;
1116     tag = ifv->ifv_tag;
1117     encaplen = ifv->ifv_encaplen;
1120     ifvlan_release(ifv);
1187     if (ifv != NULL) {
1188 	ifvlan_release(ifv);
1248 	ifvlan_ref		ifv;
1256 	ifv = vlan_lookup_parent_and_tag(p, tag);
1257 	if (ifv != NULL) {
1258 	    ifp = ifv->ifv_ifp;
1260 	if (ifv == NULL
1261 	    || ifvlan_flags_ready(ifv) == 0
1267 	bpf_func = ifv->ifv_bpf_input;
1303     ifvlan_ref 		ifv = NULL;
1318     ifv = ifnet_get_ifvlan_retained(ifp);
1319     if (ifv == NULL || ifv->ifv_vlp != NULL) {
1321 	if (ifv != NULL) {
1322 	    ifvlan_release(ifv);
1352     if (ifnet_get_ifvlan(ifp) != ifv) {
1364 	|| ifvlan_flags_detaching(ifv) || ifv->ifv_vlp != NULL) {
1379     vlan_parent_add_vlan(vlp, ifv, tag);
1380     ifvlan_retain(ifv);	/* parent references ifv */
1407     error = multicast_list_program(&ifv->ifv_multicast, ifp, p);
1422     ifv->ifv_encaplen = ETHER_VLAN_ENCAP_LEN;
1423     ifv->ifv_flags = 0;
1425 	ifv->ifv_mtufudge = 0;
1434 	ifv->ifv_mtufudge = ifv->ifv_encaplen;
1436     ifnet_set_mtu(ifp, ETHERMTU - ifv->ifv_mtufudge);
1452     ifvlan_flags_set_ready(ifv);
1459     if (ifv != NULL) {
1460 	ifvlan_release(ifv);
1473 	vlan_parent_remove_vlan(vlp, ifv);
1496     if (ifv != NULL) {
1498 	    ifvlan_release(ifv);
1500 	ifvlan_release(ifv);
1526 vlan_unconfig(ifvlan_ref ifv, int need_to_wait)
1528     struct ifnet *	ifp = ifv->ifv_ifp;
1536     vlp = ifv->ifv_vlp;
1546 	if (ifv != ifnet_get_ifvlan(ifp)) {
1549 	if (ifv->ifv_vlp != vlp) {
1555     /* ifv has a reference on vlp, need to remove it */
1569     (void)ifvlan_new_mtu(ifv, ETHERMTU - ifv->ifv_mtufudge);
1574     (void)multicast_list_remove(&ifv->ifv_multicast);
1591     ifv->ifv_mtufudge = 0;
1594     vlan_parent_remove_vlan(vlp, ifv);
1595     ifv->ifv_flags = 0;
1597     /* vlan_parent has reference to ifv, remove it */
1600     /* from this point on, no more referencing ifv */
1619 	ifvlan_release(ifv);
1632     ifvlan_ref			ifv;
1636     ifv = ifnet_get_ifvlan_retained(ifp);
1637     if (ifv == NULL) {
1642     vlp = ifv->ifv_vlp;
1647 	if (!ifvlan_flags_promisc(ifv)) {
1650 		ifvlan_flags_set_promisc(ifv);
1654 	if (ifvlan_flags_promisc(ifv)) {
1657 		ifvlan_flags_clear_promisc(ifv);
1663     if (ifv != NULL) {
1664 	ifvlan_release(ifv);
1670 ifvlan_new_mtu(ifvlan_ref ifv, int mtu)
1674     struct ifnet * 	ifp = ifv->ifv_ifp;
1681     vlp = ifv->ifv_vlp;
1683     req_mtu = mtu + ifv->ifv_mtufudge;
1687     max_mtu = vlan_parent_find_max_mtu(vlp, ifv);
1713     ifvlan_ref		ifv;
1720     ifv = ifnet_get_ifvlan_retained(ifp);
1721     if (ifv == NULL) {
1725     vlp = ifvlan_get_vlan_parent_retained(ifv);
1728 	ifvlan_release(ifv);
1737     if (ifnet_get_ifvlan(ifp) != ifv
1738 	|| ifvlan_flags_detaching(ifv)) {
1742     if (ifv->ifv_vlp != vlp) {
1752     error = ifvlan_new_mtu(ifv, mtu);
1758     ifvlan_release(ifv);
1771     ifvlan_ref		ifv;
1792 	ifv = (ifvlan_ref)ifnet_softc(ifp);
1793 	if (ifv == NULL || ifvlan_flags_detaching(ifv)) {
1795 	    return (ifv == NULL ? EOPNOTSUPP : EBUSY);
1797 	p = (ifv->ifv_vlp == NULL) ? NULL : ifv->ifv_vlp->vlp_ifp;
1838 	ifv = (ifvlan_ref)ifnet_softc(ifp);
1839 	if (ifv == NULL || ifvlan_flags_detaching(ifv)) {
1841 	    return (ifv == NULL ? EOPNOTSUPP : EBUSY);
1843 	vlp = ifv->ifv_vlp;
1845 	    int		min_mtu = vlp->vlp_devmtu.ifdm_min - ifv->ifv_mtufudge;
1849 	    devmtu_p->ifdm_max = vlp->vlp_devmtu.ifdm_max - ifv->ifv_mtufudge;
1907 	    ifv = (ifvlan_ref)ifnet_softc(ifp);
1908 	    if (ifv == NULL || ifvlan_flags_detaching(ifv)) {
1910 		error = (ifv == NULL ? EOPNOTSUPP : EBUSY);
1913 	    need_link_event = vlan_remove(ifv, TRUE);
1924 	ifv = (ifvlan_ref)ifnet_softc(ifp);
1925 	if (ifv == NULL || ifvlan_flags_detaching(ifv)) {
1927 	    return (ifv == NULL ? EOPNOTSUPP : EBUSY);
1929 	p = (ifv->ifv_vlp == NULL) ? NULL : ifv->ifv_vlp->vlp_ifp;
1930 	tag = ifv->ifv_tag;
1963     ifvlan_ref	ifv;
1968     ifv = (ifvlan_ref)ifnet_softc(ifp);
1969     if (ifv == NULL) {
1972     ifvlan_release(ifv);
2036     ifvlan_ref 		ifv;
2061     LIST_FOREACH(ifv, &vlp->vlp_vlan_list, ifv_vlan_list) {
2062 	struct ifnet *	ifp = ifv->ifv_ifp;