dql_avail 3211 include/linux/netdevice.h if (likely(dql_avail(&dev_queue->dql) >= 0)) dql_avail 3224 include/linux/netdevice.h if (unlikely(dql_avail(&dev_queue->dql) >= 0)) dql_avail 3287 include/linux/netdevice.h if (unlikely(dql_avail(&dev_queue->dql) < 0)) dql_avail 189 include/net/sch_generic.h return dql_avail(&txq->dql);