bsd/net/if_vlan.c

245 vlan_parent_retain(vlan_parent_ref vlp);
248 vlan_parent_release(vlan_parent_ref vlp);
254 vlan_parent_flags_supports_vlan_mtu(vlan_parent_ref vlp)
256     return ((vlp->vlp_flags & VLPF_SUPPORTS_VLAN_MTU) != 0);
260 vlan_parent_flags_set_supports_vlan_mtu(vlan_parent_ref vlp)
262     vlp->vlp_flags |= VLPF_SUPPORTS_VLAN_MTU;
267 vlan_parent_flags_clear_supports_vlan_mtu(vlan_parent_ref vlp)
269     vlp->vlp_flags &= ~VLPF_SUPPORTS_VLAN_MTU;
274 vlan_parent_flags_change_in_progress(vlan_parent_ref vlp)
276     return ((vlp->vlp_flags & VLPF_CHANGE_IN_PROGRESS) != 0);
280 vlan_parent_flags_set_change_in_progress(vlan_parent_ref vlp)
282     vlp->vlp_flags |= VLPF_CHANGE_IN_PROGRESS;
287 vlan_parent_flags_clear_change_in_progress(vlan_parent_ref vlp)
289     vlp->vlp_flags &= ~VLPF_CHANGE_IN_PROGRESS;
294 vlan_parent_flags_detaching(struct vlan_parent * vlp)
296     return ((vlp->vlp_flags & VLPF_DETACHING) != 0);
300 vlan_parent_flags_set_detaching(struct vlan_parent * vlp)
302     vlp->vlp_flags |= VLPF_DETACHING;
442     vlan_parent_ref	vlp = ifv->ifv_vlp;
444     if (vlan_parent_flags_detaching(vlp)) {
447     vlan_parent_retain(vlp);
448     return (vlp);
482 			    vlan_parent_ref vlp)
491     if (ifv->ifv_vlp != vlp) {
495     if (vlan_parent_flags_detaching(vlp)) {
598 vlan_parent_retain(vlan_parent_ref vlp)
600     if (vlp->vlp_signature != VLP_SIGNATURE) {
603     if (vlp->vlp_retain_count == 0) {
606     OSIncrementAtomic(&vlp->vlp_retain_count);
610 vlan_parent_release(vlan_parent_ref vlp)
614     if (vlp->vlp_signature != VLP_SIGNATURE) {
617     old_retain_count = OSDecrementAtomic(&vlp->vlp_retain_count);
624 	    struct ifnet * ifp = vlp->vlp_ifp;
628 	vlp->vlp_signature = 0;
629 	FREE(vlp, M_VLAN);
650 vlan_parent_wait(vlan_parent_ref vlp, const char * msg)
655     while (vlan_parent_flags_change_in_progress(vlp)) {
657 	    struct ifnet * ifp = vlp->vlp_ifp;
662 	(void)msleep(vlp, vlan_lck_mtx, PZERO, msg, 0);
665     vlan_parent_flags_set_change_in_progress(vlp);
667 	struct ifnet * ifp = vlp->vlp_ifp;
685 vlan_parent_signal(vlan_parent_ref vlp, const char * msg)
687     vlan_parent_flags_clear_change_in_progress(vlp);
688     wakeup((caddr_t)vlp);
690 	struct ifnet * ifp = vlp->vlp_ifp;
711     vlan_parent_ref	vlp = NULL;
718     vlp = ifvlan_get_vlan_parent_retained(ifv);
719     if (vlp == NULL) {
723     vlan_parent_wait(vlp, "vlan_setmulti");
726     if (ifnet_ifvlan_vlan_parent_ok(ifp, ifv, vlp) == FALSE) {
729     p = vlp->vlp_ifp;
738     vlan_parent_signal(vlp, "vlan_setmulti");
745     if (vlp != NULL) {
746 	vlan_parent_release(vlp);
757     vlan_parent_ref	vlp;
759     LIST_FOREACH(vlp, &g_vlan->parent_list, vlp_parent_list) {
760 	if (vlp->vlp_ifp == p) {
761 	    return (vlp);
768 vlan_parent_lookup_tag(vlan_parent_ref vlp, int tag)
772     LIST_FOREACH(ifv, &vlp->vlp_vlan_list, ifv_vlan_list) {
783     vlan_parent_ref	vlp;
785     vlp = parent_list_lookup(p);
786     if (vlp != NULL) {
787 	return (vlan_parent_lookup_tag(vlp, tag));
793 vlan_parent_find_max_mtu(vlan_parent_ref vlp, ifvlan_ref exclude_ifv)
798     LIST_FOREACH(ifv, &vlp->vlp_vlan_list, ifv_vlan_list) {
822     vlan_parent_ref	vlp;
825     vlp = _MALLOC(sizeof(*vlp), M_VLAN, M_WAITOK);
826     if (vlp == NULL) {
829     bzero(vlp, sizeof(*vlp));
830     error = siocgifdevmtu(p, &vlp->vlp_devmtu);
834 	FREE(vlp, M_VLAN);
837     LIST_INIT(&vlp->vlp_vlan_list);
838     vlp->vlp_ifp = p;
839     vlp->vlp_retain_count = 1;
840     vlp->vlp_signature = VLP_SIGNATURE;
843 	vlan_parent_flags_set_supports_vlan_mtu(vlp);
845     *ret_vlp = vlp;
855     vlan_parent_ref	vlp;
858     vlp = parent_list_lookup(p);
859     if (vlp == NULL || vlan_parent_flags_detaching(vlp)) {
864     vlan_parent_flags_set_detaching(vlp);
865     vlan_parent_retain(vlp);
866     vlan_parent_wait(vlp, "vlan_parent_remove_all_vlans");
868     vlp = parent_list_lookup(p);
870     if (vlp == NULL) {
874     for (ifv = LIST_FIRST(&vlp->vlp_vlan_list); ifv != NULL; ifv = next) {
890     LIST_REMOVE(vlp, vlp_parent_list);
895     vlan_parent_signal(vlp, "vlan_parent_remove_all_vlans");
899 	vlan_parent_release(vlp);
905 vlan_parent_no_vlans(vlan_parent_ref vlp)
907     return (LIST_EMPTY(&vlp->vlp_vlan_list));
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;
920 vlan_parent_remove_vlan(__unused vlan_parent_ref vlp, ifvlan_ref ifv)
1092     vlan_parent_ref		vlp = NULL;
1108     vlp = ifvlan_get_vlan_parent_retained(ifv);
1109     if (vlp == NULL) {
1112     p = vlp->vlp_ifp;
1121     vlan_parent_release(vlp);
1190     if (vlp != NULL) {
1191 	vlan_parent_release(vlp);
1309     vlan_parent_ref	vlp = NULL;
1327     vlp = parent_list_lookup(p);
1328     if (vlp != NULL) {
1329 	vlan_parent_retain(vlp);
1331 	if (vlan_parent_lookup_tag(vlp, tag) != NULL) {
1343 	vlp = new_vlp;
1345 	vlan_parent_retain(vlp);
1350     vlan_parent_wait(vlp, "vlan_config");
1358     if (parent_list_lookup(p) != vlp) {
1363     if (vlan_parent_flags_detaching(vlp)
1370     if (vlan_parent_lookup_tag(vlp, tag) != NULL) {
1376     if (vlan_parent_no_vlans(vlp)) {
1379     vlan_parent_add_vlan(vlp, ifv, tag);
1424     if (vlan_parent_flags_supports_vlan_mtu(vlp)) {
1453     vlan_parent_signal(vlp, "vlan_config");
1455     if (new_vlp != vlp) {
1473 	vlan_parent_remove_vlan(vlp, ifv);
1474 	if (!vlan_parent_flags_detaching(vlp) && vlan_parent_no_vlans(vlp)) {
1477 	    LIST_REMOVE(vlp, vlp_parent_list);
1485     vlan_parent_signal(vlp, "vlan_config");
1491 	vlan_parent_release(vlp);
1493     if (new_vlp != vlp) {
1533     vlan_parent_ref	vlp;
1536     vlp = ifv->ifv_vlp;
1537     if (vlp == NULL) {
1542 	vlan_parent_retain(vlp);
1543 	vlan_parent_wait(vlp, "vlan_unconfig");
1549 	if (ifv->ifv_vlp != vlp) {
1555     /* ifv has a reference on vlp, need to remove it */
1557     p = vlp->vlp_ifp;
1560     if (LIST_NEXT(LIST_FIRST(&vlp->vlp_vlan_list), ifv_vlan_list) == NULL) {
1594     vlan_parent_remove_vlan(vlp, ifv);
1601     if (last_vlan && !vlan_parent_flags_detaching(vlp)) {
1604 	LIST_REMOVE(vlp, vlp_parent_list);
1615 	vlan_parent_signal(vlp, "vlan_unconfig");
1621     while (need_vlp_release--) {	/* references to vlp */
1622 	vlan_parent_release(vlp);
1633     vlan_parent_ref		vlp;
1642     vlp = ifv->ifv_vlp;
1643     if (vlp == NULL) {
1648 	    error = ifnet_set_promiscuous(vlp->vlp_ifp, 1);
1655 	    error = ifnet_set_promiscuous(vlp->vlp_ifp, 0);
1678     vlan_parent_ref	vlp;
1681     vlp = ifv->ifv_vlp;
1682     devmtu_p = &vlp->vlp_devmtu;
1687     max_mtu = vlan_parent_find_max_mtu(vlp, ifv);
1695 	struct ifnet * 	p = vlp->vlp_ifp;
1714     vlan_parent_ref	vlp;
1725     vlp = ifvlan_get_vlan_parent_retained(ifv);
1726     if (vlp == NULL) {
1734     vlan_parent_wait(vlp, "vlan_set_mtu");
1742     if (ifv->ifv_vlp != vlp) {
1746     if (vlan_parent_flags_detaching(vlp)) {
1755     vlan_parent_signal(vlp, "vlan_set_mtu");
1757     vlan_parent_release(vlp);
1775     vlan_parent_ref	vlp;
1843 	vlp = ifv->ifv_vlp;
1844 	if (vlp != NULL) {
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;
2037     vlan_parent_ref 	vlp;
2045     vlp = parent_list_lookup(p);
2046     if (vlp == NULL) {
2052     vlan_parent_retain(vlp);
2053     vlan_parent_wait(vlp, "vlan_parent_link_event");
2054     if (vlan_parent_flags_detaching(vlp)) {
2061     LIST_FOREACH(ifv, &vlp->vlp_vlan_list, ifv_vlan_list) {
2070     vlan_parent_signal(vlp, "vlan_parent_link_event");
2072     vlan_parent_release(vlp);