788 static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)  in igb_assign_vector()  argument
790 	struct igb_adapter *adapter = q_vector->adapter;  in igb_assign_vector()
796 	if (q_vector->rx.ring)  in igb_assign_vector()
797 		rx_queue = q_vector->rx.ring->reg_idx;  in igb_assign_vector()
798 	if (q_vector->tx.ring)  in igb_assign_vector()
799 		tx_queue = q_vector->tx.ring->reg_idx;  in igb_assign_vector()
815 		q_vector->eims_value = msixbm;  in igb_assign_vector()
831 		q_vector->eims_value = BIT(msix_vector);  in igb_assign_vector()
852 		q_vector->eims_value = BIT(msix_vector);  in igb_assign_vector()
860 	adapter->eims_enable_mask |= q_vector->eims_value;  in igb_assign_vector()
863 	q_vector->set_itr = 1;  in igb_assign_vector()
927 		igb_assign_vector(adapter->q_vector[i], vector++);  in igb_configure_msix()
950 		struct igb_q_vector *q_vector = adapter->q_vector[i];  in igb_request_msix()  local
954 		q_vector->itr_register = adapter->io_addr + E1000_EITR(vector);  in igb_request_msix()
956 		if (q_vector->rx.ring && q_vector->tx.ring)  in igb_request_msix()
957 			sprintf(q_vector->name, "%s-TxRx-%u", netdev->name,  in igb_request_msix()
958 				q_vector->rx.ring->queue_index);  in igb_request_msix()
959 		else if (q_vector->tx.ring)  in igb_request_msix()
960 			sprintf(q_vector->name, "%s-tx-%u", netdev->name,  in igb_request_msix()
961 				q_vector->tx.ring->queue_index);  in igb_request_msix()
962 		else if (q_vector->rx.ring)  in igb_request_msix()
963 			sprintf(q_vector->name, "%s-rx-%u", netdev->name,  in igb_request_msix()
964 				q_vector->rx.ring->queue_index);  in igb_request_msix()
966 			sprintf(q_vector->name, "%s-unused", netdev->name);  in igb_request_msix()
969 				  igb_msix_ring, 0, q_vector->name,  in igb_request_msix()
970 				  q_vector);  in igb_request_msix()
985 			 adapter->q_vector[i]);  in igb_request_msix()
1000 	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];  in igb_free_q_vector()  local
1002 	adapter->q_vector[v_idx] = NULL;  in igb_free_q_vector()
1007 	if (q_vector)  in igb_free_q_vector()
1008 		kfree_rcu(q_vector, rcu);  in igb_free_q_vector()
1021 	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];  in igb_reset_q_vector()  local
1026 	if (!q_vector)  in igb_reset_q_vector()
1029 	if (q_vector->tx.ring)  in igb_reset_q_vector()
1030 		adapter->tx_ring[q_vector->tx.ring->queue_index] = NULL;  in igb_reset_q_vector()
1032 	if (q_vector->rx.ring)  in igb_reset_q_vector()
1033 		adapter->rx_ring[q_vector->rx.ring->queue_index] = NULL;  in igb_reset_q_vector()
1035 	netif_napi_del(&q_vector->napi);  in igb_reset_q_vector()
1190 	struct igb_q_vector *q_vector;  in igb_alloc_q_vector()  local
1203 	q_vector = adapter->q_vector[v_idx];  in igb_alloc_q_vector()
1204 	if (!q_vector) {  in igb_alloc_q_vector()
1205 		q_vector = kzalloc(size, GFP_KERNEL);  in igb_alloc_q_vector()
1206 	} else if (size > ksize(q_vector)) {  in igb_alloc_q_vector()
1207 		kfree_rcu(q_vector, rcu);  in igb_alloc_q_vector()
1208 		q_vector = kzalloc(size, GFP_KERNEL);  in igb_alloc_q_vector()
1210 		memset(q_vector, 0, size);  in igb_alloc_q_vector()
1212 	if (!q_vector)  in igb_alloc_q_vector()
1216 	netif_napi_add(adapter->netdev, &q_vector->napi,  in igb_alloc_q_vector()
1220 	adapter->q_vector[v_idx] = q_vector;  in igb_alloc_q_vector()
1221 	q_vector->adapter = adapter;  in igb_alloc_q_vector()
1224 	q_vector->tx.work_limit = adapter->tx_work_limit;  in igb_alloc_q_vector()
1227 	q_vector->itr_register = adapter->io_addr + E1000_EITR(0);  in igb_alloc_q_vector()
1228 	q_vector->itr_val = IGB_START_ITR;  in igb_alloc_q_vector()
1231 	ring = q_vector->ring;  in igb_alloc_q_vector()
1237 			q_vector->itr_val = adapter->rx_itr_setting;  in igb_alloc_q_vector()
1241 			q_vector->itr_val = adapter->tx_itr_setting;  in igb_alloc_q_vector()
1250 		ring->q_vector = q_vector;  in igb_alloc_q_vector()
1253 		igb_add_ring(ring, &q_vector->tx);  in igb_alloc_q_vector()
1285 		ring->q_vector = q_vector;  in igb_alloc_q_vector()
1288 		igb_add_ring(ring, &q_vector->rx);  in igb_alloc_q_vector()
1433 	igb_assign_vector(adapter->q_vector[0], 0);  in igb_request_irq()
1466 				 adapter->q_vector[i]);  in igb_free_irq()
2129 		napi_enable(&(adapter->q_vector[i]->napi));  in igb_up()
2134 		igb_assign_vector(adapter->q_vector[0], 0);  in igb_up()
2197 		if (adapter->q_vector[i]) {  in igb_down()
2198 			napi_synchronize(&adapter->q_vector[i]->napi);  in igb_down()
2199 			napi_disable(&adapter->q_vector[i]->napi);  in igb_down()
3968 		napi_enable(&(adapter->q_vector[i]->napi));  in __igb_open()
5439 			eics |= adapter->q_vector[i]->eims_value;  in igb_watchdog_task()
5487 static void igb_update_ring_itr(struct igb_q_vector *q_vector)  in igb_update_ring_itr()  argument
5489 	int new_val = q_vector->itr_val;  in igb_update_ring_itr()
5491 	struct igb_adapter *adapter = q_vector->adapter;  in igb_update_ring_itr()
5502 	packets = q_vector->rx.total_packets;  in igb_update_ring_itr()
5504 		avg_wire_size = q_vector->rx.total_bytes / packets;  in igb_update_ring_itr()
5506 	packets = q_vector->tx.total_packets;  in igb_update_ring_itr()
5509 				      q_vector->tx.total_bytes / packets);  in igb_update_ring_itr()
5529 	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||  in igb_update_ring_itr()
5530 	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))  in igb_update_ring_itr()
5534 	if (new_val != q_vector->itr_val) {  in igb_update_ring_itr()
5535 		q_vector->itr_val = new_val;  in igb_update_ring_itr()
5536 		q_vector->set_itr = 1;  in igb_update_ring_itr()
5539 	q_vector->rx.total_bytes = 0;  in igb_update_ring_itr()
5540 	q_vector->rx.total_packets = 0;  in igb_update_ring_itr()
5541 	q_vector->tx.total_bytes = 0;  in igb_update_ring_itr()
5542 	q_vector->tx.total_packets = 0;  in igb_update_ring_itr()
5561 static void igb_update_itr(struct igb_q_vector *q_vector,  in igb_update_itr()  argument
5613 static void igb_set_itr(struct igb_q_vector *q_vector)  in igb_set_itr()  argument
5615 	struct igb_adapter *adapter = q_vector->adapter;  in igb_set_itr()
5616 	u32 new_itr = q_vector->itr_val;  in igb_set_itr()
5626 	igb_update_itr(q_vector, &q_vector->tx);  in igb_set_itr()
5627 	igb_update_itr(q_vector, &q_vector->rx);  in igb_set_itr()
5629 	current_itr = max(q_vector->rx.itr, q_vector->tx.itr);  in igb_set_itr()
5633 	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||  in igb_set_itr()
5634 	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))  in igb_set_itr()
5653 	if (new_itr != q_vector->itr_val) {  in igb_set_itr()
5658 		new_itr = new_itr > q_vector->itr_val ?  in igb_set_itr()
5659 			  max((new_itr * q_vector->itr_val) /  in igb_set_itr()
5660 			  (new_itr + (q_vector->itr_val >> 2)),  in igb_set_itr()
5668 		q_vector->itr_val = new_itr;  in igb_set_itr()
5669 		q_vector->set_itr = 1;  in igb_set_itr()
6587 static void igb_write_itr(struct igb_q_vector *q_vector)  in igb_write_itr()  argument
6589 	struct igb_adapter *adapter = q_vector->adapter;  in igb_write_itr()
6590 	u32 itr_val = q_vector->itr_val & 0x7FFC;  in igb_write_itr()
6592 	if (!q_vector->set_itr)  in igb_write_itr()
6603 	writel(itr_val, q_vector->itr_register);  in igb_write_itr()
6604 	q_vector->set_itr = 0;  in igb_write_itr()
6609 	struct igb_q_vector *q_vector = data;  in igb_msix_ring()  local
6612 	igb_write_itr(q_vector);  in igb_msix_ring()
6614 	napi_schedule(&q_vector->napi);  in igb_msix_ring()
6661 static void igb_update_dca(struct igb_q_vector *q_vector)  in igb_update_dca()  argument
6663 	struct igb_adapter *adapter = q_vector->adapter;  in igb_update_dca()
6666 	if (q_vector->cpu == cpu)  in igb_update_dca()
6669 	if (q_vector->tx.ring)  in igb_update_dca()
6670 		igb_update_tx_dca(adapter, q_vector->tx.ring, cpu);  in igb_update_dca()
6672 	if (q_vector->rx.ring)  in igb_update_dca()
6673 		igb_update_rx_dca(adapter, q_vector->rx.ring, cpu);  in igb_update_dca()
6675 	q_vector->cpu = cpu;  in igb_update_dca()
6692 		adapter->q_vector[i]->cpu = -1;  in igb_setup_dca()
6693 		igb_update_dca(adapter->q_vector[i]);  in igb_setup_dca()
7628 	struct igb_q_vector *q_vector = adapter->q_vector[0];  in igb_intr_msi()  local
7633 	igb_write_itr(q_vector);  in igb_intr_msi()
7652 	napi_schedule(&q_vector->napi);  in igb_intr_msi()
7665 	struct igb_q_vector *q_vector = adapter->q_vector[0];  in igb_intr()  local
7678 	igb_write_itr(q_vector);  in igb_intr()
7698 	napi_schedule(&q_vector->napi);  in igb_intr()
7703 static void igb_ring_irq_enable(struct igb_q_vector *q_vector)  in igb_ring_irq_enable()  argument
7705 	struct igb_adapter *adapter = q_vector->adapter;  in igb_ring_irq_enable()
7708 	if ((q_vector->rx.ring && (adapter->rx_itr_setting & 3)) ||  in igb_ring_irq_enable()
7709 	    (!q_vector->rx.ring && (adapter->tx_itr_setting & 3))) {  in igb_ring_irq_enable()
7711 			igb_set_itr(q_vector);  in igb_ring_irq_enable()
7713 			igb_update_ring_itr(q_vector);  in igb_ring_irq_enable()
7718 			wr32(E1000_EIMS, q_vector->eims_value);  in igb_ring_irq_enable()
7731 	struct igb_q_vector *q_vector = container_of(napi,  in igb_poll()  local
7738 	if (q_vector->adapter->flags & IGB_FLAG_DCA_ENABLED)  in igb_poll()
7739 		igb_update_dca(q_vector);  in igb_poll()
7741 	if (q_vector->tx.ring)  in igb_poll()
7742 		clean_complete = igb_clean_tx_irq(q_vector, budget);  in igb_poll()
7744 	if (q_vector->rx.ring) {  in igb_poll()
7745 		int cleaned = igb_clean_rx_irq(q_vector, budget);  in igb_poll()
7758 	igb_ring_irq_enable(q_vector);  in igb_poll()
7770 static bool igb_clean_tx_irq(struct igb_q_vector *q_vector, int napi_budget)  in igb_clean_tx_irq()  argument
7772 	struct igb_adapter *adapter = q_vector->adapter;  in igb_clean_tx_irq()
7773 	struct igb_ring *tx_ring = q_vector->tx.ring;  in igb_clean_tx_irq()
7777 	unsigned int budget = q_vector->tx.work_limit;  in igb_clean_tx_irq()
7866 	q_vector->tx.total_bytes += total_bytes;  in igb_clean_tx_irq()
7867 	q_vector->tx.total_packets += total_packets;  in igb_clean_tx_irq()
8052 	skb = napi_alloc_skb(&rx_ring->q_vector->napi, IGB_RX_HDR_LEN);  in igb_construct_skb()
8057 		igb_ptp_rx_pktstamp(rx_ring->q_vector, va, skb);  in igb_construct_skb()
8119 		igb_ptp_rx_pktstamp(rx_ring->q_vector, skb->data, skb);  in igb_build_skb()
8267 		igb_ptp_rx_rgtstamp(rx_ring->q_vector, skb);  in igb_process_skb_fields()
8328 static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget)  in igb_clean_rx_irq()  argument
8330 	struct igb_ring *rx_ring = q_vector->rx.ring;  in igb_clean_rx_irq()
8394 		napi_gro_receive(&q_vector->napi, skb);  in igb_clean_rx_irq()
8410 	q_vector->rx.total_packets += total_packets;  in igb_clean_rx_irq()
8411 	q_vector->rx.total_bytes += total_bytes;  in igb_clean_rx_irq()