4893  * @rflow: Specific flow to check activity.
4894  * @flow_table: per-queue flowtable that @rflow belongs to.
4895  * @cpu: CPU saved in @rflow.
4902 static bool rps_flow_is_active(struct rps_dev_flow *rflow,  in rps_flow_is_active()  argument
4913 	flow_last_active = READ_ONCE(rflow->last_qtail);  in rps_flow_is_active()
4922 	    struct rps_dev_flow *rflow, u16 next_cpu, u32 hash,  in set_rps_cpu()  argument
4966 		old_rflow = rflow;  in set_rps_cpu()
4967 		rflow = tmp_rflow;  in set_rps_cpu()
4968 		WRITE_ONCE(rflow->filter, rc);  in set_rps_cpu()
4969 		WRITE_ONCE(rflow->hash, hash);  in set_rps_cpu()
4976 		rps_input_queue_tail_save(&rflow->last_qtail, head);  in set_rps_cpu()
4979 	WRITE_ONCE(rflow->cpu, next_cpu);  in set_rps_cpu()
4980 	return rflow;  in set_rps_cpu()
5027 		struct rps_dev_flow *rflow;  in get_rps_cpu()  local
5044 		rflow = &flow_table->flows[flow_id];  in get_rps_cpu()
5045 		tcpu = rflow->cpu;  in get_rps_cpu()
5061 		      rflow->last_qtail)) >= 0)) {  in get_rps_cpu()
5063 			rflow = set_rps_cpu(dev, skb, rflow, next_cpu, hash,  in get_rps_cpu()
5068 			*rflowp = rflow;  in get_rps_cpu()
5106 	struct rps_dev_flow *rflow;  in rps_may_expire_flow()  local
5114 		rflow = &flow_table->flows[flow_id];  in rps_may_expire_flow()
5115 		cpu = READ_ONCE(rflow->cpu);  in rps_may_expire_flow()
5116 		if (READ_ONCE(rflow->filter) == filter_id &&  in rps_may_expire_flow()
5117 		    rps_flow_is_active(rflow, flow_table, cpu))  in rps_may_expire_flow()
5574 		struct rps_dev_flow voidflow, *rflow = &voidflow;  in netif_rx_internal()  local
5579 		cpu = get_rps_cpu(skb->dev, skb, &rflow);  in netif_rx_internal()
5583 		ret = enqueue_to_backlog(skb, cpu, &rflow->last_qtail);  in netif_rx_internal()
6268 		struct rps_dev_flow voidflow, *rflow = &voidflow;  in netif_receive_skb_internal()  local
6269 		int cpu = get_rps_cpu(skb->dev, skb, &rflow);  in netif_receive_skb_internal()
6272 			ret = enqueue_to_backlog(skb, cpu, &rflow->last_qtail);  in netif_receive_skb_internal()
6301 			struct rps_dev_flow voidflow, *rflow = &voidflow;  in netif_receive_skb_list_internal()  local
6302 			int cpu = get_rps_cpu(skb->dev, skb, &rflow);  in netif_receive_skb_list_internal()
6307 				enqueue_to_backlog(skb, cpu, &rflow->last_qtail);  in netif_receive_skb_list_internal()