device: add support for deferring bringup of devices

diff --git a/ubus.c b/ubus.c
index dcc4098..b8de859 100644 (file)
--- a/ubus.c
+++ b/ubus.c
@@ -201,9 +201,47 @@ error:
        return UBUS_STATUS_INVALID_ARGUMENT;
 }
 
+enum {
+       DEV_STATE_NAME,
+       DEV_STATE_DEFER,
+       __DEV_STATE_MAX,
+};
+
+static const struct blobmsg_policy dev_state_policy[__DEV_STATE_MAX] = {
+       [DEV_STATE_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
+       [DEV_STATE_DEFER] = { .name = "defer", .type = BLOBMSG_TYPE_BOOL },
+};
+
+static int
+netifd_handle_set_state(struct ubus_context *ctx, struct ubus_object *obj,
+                       struct ubus_request_data *req, const char *method,
+                       struct blob_attr *msg)
+{
+       struct device *dev = NULL;
+       struct blob_attr *tb[__DEV_STATE_MAX];
+       struct blob_attr *cur;
+
+       blobmsg_parse(dev_state_policy, __DEV_STATE_MAX, tb, blob_data(msg), blob_len(msg));
+
+       cur = tb[DEV_STATE_NAME];
+       if (!cur)
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       dev = device_get(blobmsg_data(cur), false);
+       if (!dev)
+               return UBUS_STATUS_NOT_FOUND;
+
+       cur = tb[DEV_STATE_DEFER];
+       if (cur)
+               device_set_deferred(dev, !!blobmsg_get_u8(cur));
+
+       return 0;
+}
+
 static struct ubus_method dev_object_methods[] = {
        UBUS_METHOD("status", netifd_dev_status, dev_policy),
        UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs),
+       UBUS_METHOD("set_state", netifd_handle_set_state, dev_state_policy),
 };
 
 static struct ubus_object_type dev_object_type =