dql_avail 2530 include/linux/netdevice.h if (likely(dql_avail(&dev_queue->dql) >= 0)) dql_avail 2543 include/linux/netdevice.h if (unlikely(dql_avail(&dev_queue->dql) >= 0)) dql_avail 2578 include/linux/netdevice.h if (dql_avail(&dev_queue->dql) < 0) dql_avail 129 include/net/sch_generic.h return dql_avail(&txq->dql);