struct bridge_config config;
struct blob_attr *ifnames;
bool active;
+ bool force_active;
struct list_head members;
int n_present;
}
static void
+bridge_remove_member(struct bridge_member *bm)
+{
+ struct bridge_state *bst = bm->bst;
+
+ if (!bm->present)
+ return;
+
+ bm->present = false;
+ bm->bst->n_present--;
+ if (bst->dev.active)
+ bridge_disable_member(bm);
+
+ bst->force_active = false;
+ if (bst->n_present == 0)
+ device_set_present(&bst->dev, false);
+}
+
+static void
bridge_member_cb(struct device_user *dev, enum device_event ev)
{
struct bridge_member *bm = container_of(dev, struct bridge_member, dev);
if (!bm->present)
return;
- if (bst->dev.active)
- bridge_disable_member(bm);
-
- bm->present = false;
- bm->bst->n_present--;
- if (bst->n_present == 0)
- device_set_present(&bst->dev, false);
-
if (dev->hotplug)
bridge_free_member(bm);
+ else
+ bridge_remove_member(bm);
+
break;
default:
return;
struct bridge_member *bm;
int ret;
- if (!bst->n_present)
+ if (!bst->force_active && !bst->n_present)
return -ENOENT;
ret = system_bridge_addbr(&bst->dev, &bst->config);
list_for_each_entry(bm, &bst->members, list)
bridge_enable_member(bm);
- if (!bst->n_present) {
+ if (!bst->force_active && !bst->n_present) {
/* initialization of all member interfaces failed */
system_bridge_delbr(&bst->dev);
device_set_present(&bst->dev, false);
bm = calloc(1, sizeof(*bm));
bm->bst = bst;
bm->dev.cb = bridge_member_cb;
- device_add_user(&bm->dev, dev);
bm->dev.hotplug = hotplug;
-
list_add_tail(&bm->list, &bst->members);
- if (bst->dev.active)
- bridge_enable_member(bm);
+ device_add_user(&bm->dev, dev);
return bm;
}
static void
bridge_free_member(struct bridge_member *bm)
{
- if (bm->present) {
- bridge_member_cb(&bm->dev, DEV_EVENT_REMOVE);
- bm->bst->n_present--;
- if (bm->bst->dev.active)
- bridge_disable_member(bm);
- }
-
- list_del(&bm->list);
+ bridge_remove_member(bm);
device_remove_user(&bm->dev);
+ list_del(&bm->list);
free(bm);
}
return 0;
}
- return -ENOENT;
+ return UBUS_STATUS_NOT_FOUND;
+}
+
+static int
+bridge_hotplug_prepare(struct device *dev)
+{
+ struct bridge_state *bst;
+
+ bst = container_of(dev, struct bridge_state, dev);
+ bst->force_active = true;
+ device_set_present(&bst->dev, true);
+
+ return 0;
}
static const struct device_hotplug_ops bridge_ops = {
+ .prepare = bridge_hotplug_prepare,
.add = bridge_hotplug_add,
.del = bridge_hotplug_del
};
int rem;
bst = container_of(dev, struct bridge_state, dev);
+
+ if (!bst->ifnames)
+ return;
+
blobmsg_for_each_attr(cur, bst->ifnames, rem) {
bridge_add_member(bst, blobmsg_data(cur));
}
blobmsg_parse(bridge_attrs, __BRIDGE_ATTR_MAX, tb_br,
blob_data(attr), blob_len(attr));
- if (!tb_br[BRIDGE_ATTR_IFNAME])
- return NULL;
-
bst = calloc(1, sizeof(*bst));
if (!bst)
return NULL;