+static void bridge_stp_notify(struct bridge_state *bst)
+{
+ struct bridge_config *cfg = &bst->config;
+
+ if (!cfg->stp || cfg->stp_kernel)
+ return;
+
+ blob_buf_init(&b, 0);
+ blobmsg_add_string(&b, "name", bst->dev.ifname);
+ if (cfg->stp_proto)
+ blobmsg_add_string(&b, "proto", cfg->stp_proto);
+ blobmsg_add_u32(&b, "forward_delay", cfg->forward_delay);
+ blobmsg_add_u32(&b, "hello_time", cfg->hello_time);
+ blobmsg_add_u32(&b, "max_age", cfg->max_age);
+ if (cfg->flags & BRIDGE_OPT_AGEING_TIME)
+ blobmsg_add_u32(&b, "ageing_time", cfg->ageing_time);
+ netifd_ubus_device_notify("stp_init", b.head, 1000);
+}
+
+static int
+bridge_enable_interface(struct bridge_state *bst)
+{
+ struct device *dev = &bst->dev;
+ int i, ret;
+
+ if (bst->active)
+ return 0;
+
+ bridge_stp_notify(bst);
+ ret = system_bridge_addbr(dev, &bst->config);
+ if (ret < 0)
+ return ret;
+
+ if (bst->has_vlans) {
+ /* delete default VLAN 1 */
+ system_bridge_vlan(bst->dev.ifname, 1, -1, false, BRVLAN_F_SELF);
+
+ bridge_set_local_vlans(bst, true);
+ }
+
+ for (i = 0; i < dev->n_extra_vlan; i++)
+ system_bridge_vlan(dev->ifname, dev->extra_vlan[i].start,
+ dev->extra_vlan[i].end, true, BRVLAN_F_SELF);
+
+ bst->active = true;
+ return 0;
+}
+
+static void
+bridge_stp_init(struct device *dev)
+{
+ struct bridge_state *bst;
+
+ bst = container_of(dev, struct bridge_state, dev);
+ if (!bst->config.stp || !bst->active)
+ return;
+
+ bridge_stp_notify(bst);
+ system_bridge_set_stp_state(&bst->dev, false);
+ system_bridge_set_stp_state(&bst->dev, true);
+}
+
+static void
+bridge_disable_interface(struct bridge_state *bst)
+{
+ if (!bst->active)
+ return;
+
+ system_bridge_delbr(&bst->dev);
+ bst->active = false;
+}
+
+static struct bridge_vlan *
+bridge_hotplug_get_vlan(struct bridge_state *bst, uint16_t vid, bool create)
+{
+ struct bridge_vlan *vlan;
+
+ vlan = vlist_find(&bst->dev.vlans, &vid, vlan, node);
+ if (vlan || !create)
+ return vlan;
+
+ vlan = calloc(1, sizeof(*vlan));
+ vlan->vid = vid;
+ vlan->local = true;
+ INIT_LIST_HEAD(&vlan->hotplug_ports);
+ vlist_add(&bst->dev.vlans, &vlan->node, &vlan->vid);
+ vlan->node.version = -1;
+
+ return vlan;
+}
+
+static struct bridge_vlan_hotplug_port *
+bridge_hotplug_get_vlan_port(struct bridge_vlan *vlan, const char *ifname)
+{
+ struct bridge_vlan_hotplug_port *port;
+
+ list_for_each_entry(port, &vlan->hotplug_ports, list)
+ if (!strcmp(port->port.ifname, ifname))
+ return port;
+
+ return NULL;
+}
+
+static void
+bridge_hotplug_set_member_vlans(struct bridge_state *bst, struct blob_attr *vlans,
+ struct bridge_member *bm, bool add, bool untracked)
+{
+ const char *ifname = bm->name;
+ struct device_vlan_range *r;
+ struct bridge_vlan *vlan;
+ struct blob_attr *cur;
+ int n_vlans;
+ size_t rem;
+
+ if (!vlans)
+ return;
+
+ if (add) {
+ bm->n_extra_vlan = 0;
+ n_vlans = blobmsg_check_array(vlans, BLOBMSG_TYPE_STRING);
+ if (n_vlans < 1)
+ return;
+
+ bm->extra_vlan = realloc(bm->extra_vlan, n_vlans * sizeof(*bm->extra_vlan));
+ }
+
+ blobmsg_for_each_attr(cur, vlans, rem) {
+ struct bridge_vlan_hotplug_port *port;
+ unsigned int vid, vid_end;
+ uint16_t flags = 0;
+ char *name_buf;
+ char *end;
+
+ if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
+ continue;
+
+ vid = strtoul(blobmsg_get_string(cur), &end, 0);
+ vid_end = vid;
+ if (!vid || vid > 4095)
+ continue;
+
+ if (*end == '-') {
+ vid_end = strtoul(end + 1, &end, 0);
+ if (vid_end < vid)
+ continue;
+ }
+
+ if (end && *end) {
+ if (*end != ':')
+ continue;
+
+ for (end++; *end; end++) {
+ switch (*end) {
+ case 'u':
+ flags |= BRVLAN_F_UNTAGGED;
+ fallthrough;
+ case '*':
+ flags |= BRVLAN_F_PVID;
+ break;
+ }
+ }
+ }
+
+ vlan = bridge_hotplug_get_vlan(bst, vid, !!flags);
+ if (!vlan || vid_end > vid || untracked) {
+ if (add) {
+ if (!untracked) {
+ r = &bm->extra_vlan[bm->n_extra_vlan++];
+ r->start = vid;
+ r->end = vid_end;
+ }
+ if (bm->active)
+ system_bridge_vlan(ifname, vid, vid_end, true, flags);
+ } else if (bm->active) {
+ system_bridge_vlan(ifname, vid, vid_end, false, 0);
+ }
+ continue;
+ }
+
+ if (vlan->pending) {
+ vlan->pending = false;
+ bridge_set_vlan_state(bst, vlan, true);
+ }
+
+ port = bridge_hotplug_get_vlan_port(vlan, ifname);
+ if (!add) {
+ if (!port)
+ continue;
+
+ __bridge_set_member_vlan(bm, vlan, &port->port, false);
+ list_del(&port->list);
+ free(port);
+ continue;
+ }
+
+ if (port) {
+ if (port->port.flags == flags)
+ continue;
+
+ __bridge_set_member_vlan(bm, vlan, &port->port, false);
+ port->port.flags = flags;
+ __bridge_set_member_vlan(bm, vlan, &port->port, true);
+ continue;
+ }
+
+ port = calloc_a(sizeof(*port), &name_buf, strlen(ifname) + 1);
+ if (!port)
+ continue;
+
+ port->port.flags = flags;
+ port->port.ifname = strcpy(name_buf, ifname);
+ list_add_tail(&port->list, &vlan->hotplug_ports);
+
+ if (!bm)
+ continue;
+
+ __bridge_set_member_vlan(bm, vlan, &port->port, true);
+ }
+}
+
+
+static void
+bridge_member_add_extra_vlans(struct bridge_member *bm)
+{
+ struct device *dev = bm->dev.dev;
+ int i;
+
+ for (i = 0; i < dev->n_extra_vlan; i++)
+ system_bridge_vlan(dev->ifname, dev->extra_vlan[i].start,
+ dev->extra_vlan[i].end, true, 0);
+ for (i = 0; i < bm->n_extra_vlan; i++)
+ system_bridge_vlan(dev->ifname, bm->extra_vlan[i].start,
+ bm->extra_vlan[i].end, true, 0);
+}
+
+static void
+bridge_member_enable_vlans(struct bridge_member *bm)
+{
+ struct bridge_state *bst = bm->bst;
+ struct device *dev = bm->dev.dev;
+ struct bridge_vlan *vlan;
+
+ if (dev->settings.auth) {
+ bridge_hotplug_set_member_vlans(bst, dev->config_auth_vlans, bm,
+ !dev->auth_status, true);
+ bridge_hotplug_set_member_vlans(bst, dev->auth_vlans, bm,
+ dev->auth_status, true);
+ }
+
+ if (dev->settings.auth && !dev->auth_status)
+ return;
+
+ bridge_member_add_extra_vlans(bm);
+ vlist_for_each_element(&bst->dev.vlans, vlan, node)
+ bridge_set_member_vlan(bm, vlan, true);
+}
+