net/sched/sch_hhf.c

19  * Flows are classified into two buckets: non-heavy-hitter and heavy-hitter
20  * buckets. Initially, a new flow starts as non-heavy-hitter. Once classified
22  * The buckets are dequeued by a Weighted Deficit Round Robin (WDRR) scheduler,
103 #define WDRR_BUCKET_CNT  2     /* two buckets for Weighted DRR */
128 	struct wdrr_bucket buckets[WDRR_BUCKET_CNT];  member
147 	struct list_head   new_buckets; /* list of new buckets */
148 	struct list_head   old_buckets; /* list of old buckets */
244 /* Assigns packets to WDRR buckets.  Implements a multi-stage filter to
355 	bucket = &q->buckets[WDRR_BUCKET_FOR_HH];  in hhf_drop()
357 		bucket = &q->buckets[WDRR_BUCKET_FOR_NON_HH];  in hhf_drop()
368 	return bucket - q->buckets;  in hhf_drop()
381 	bucket = &q->buckets[idx];  in hhf_enqueue()
435 		int weight = (bucket - q->buckets == WDRR_BUCKET_FOR_HH) ?  in hhf_dequeue()
640 		/* Initialize Weighted DRR buckets. */  in hhf_init()
642 			struct wdrr_bucket *bucket = q->buckets + i;  in hhf_init()