net/sched/sch_qfq.c

40   QFQ+ divides classes into aggregates of at most MAX_AGG_CLASSES
41   classes. Each aggregate is timestamped with a virtual start time S
44   time function V. The classes within each aggregate are instead
51   schedules groups, then aggregates within groups, then classes within
91  * Maximum number of consecutive slots occupied by backlogged classes
100  * for the classes in the aggregate.
118 #define QFQ_MAX_AGG_CLASSES	8 /* max num classes per aggregate allowed */
137 	struct list_head alist;		/* Link for active-classes list. */
154 	/* Max pkt size for the classes in this aggregate, DRR quantum. */
157 	u32	inv_w;	    /* ONE_FP/(sum of weights of classes in aggr.). */
161 	int		  num_classes;	/* Number of classes in this aggr. */
162 	struct list_head  active;	/* DRR queue of active classes. */
192 	u32 max_agg_classes;		/* Max number of classes per aggr. */
193 	struct hlist_head nonfull_aggs; /* Aggs with room for more classes. */
280 /* Update aggregate as a function of the new number of classes. */
833  * of the classes are not changed dynamically, and if QFQ+ never
1017 	 * account that, after decreasing the number of classes in  in charge_actual_service()
1091 	/* next-packet len, 0 means no more active classes in in-service agg */  in qfq_dequeue()
1101 	 * If there are no active classes in the in-service aggregate,  in qfq_dequeue()