fib_callout_action
enum fib_callout_action action = fd->fd_callout_action;
enum fib_callout_action fd_callout_action; /* Callout action to take */
schedule_callout(struct fib_data *fd, enum fib_callout_action action, int delay_ms)
update_rebuild_delay(struct fib_data *fd, enum fib_callout_action action)
enum fib_callout_action action = fd->fd_need_rebuild ? FDA_REBUILD : FDA_BATCH;