779 static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)  in igb_assign_vector()  argument
781 	struct igb_adapter *adapter = q_vector->adapter;  in igb_assign_vector()
787 	if (q_vector->rx.ring)  in igb_assign_vector()
788 		rx_queue = q_vector->rx.ring->reg_idx;  in igb_assign_vector()
789 	if (q_vector->tx.ring)  in igb_assign_vector()
790 		tx_queue = q_vector->tx.ring->reg_idx;  in igb_assign_vector()
806 		q_vector->eims_value = msixbm;  in igb_assign_vector()
822 		q_vector->eims_value = BIT(msix_vector);  in igb_assign_vector()
843 		q_vector->eims_value = BIT(msix_vector);  in igb_assign_vector()
851 	adapter->eims_enable_mask |= q_vector->eims_value;  in igb_assign_vector()
854 	q_vector->set_itr = 1;  in igb_assign_vector()
918 		igb_assign_vector(adapter->q_vector[i], vector++);  in igb_configure_msix()
948 		struct igb_q_vector *q_vector = adapter->q_vector[i];  in igb_request_msix()  local
952 		q_vector->itr_register = adapter->io_addr + E1000_EITR(vector);  in igb_request_msix()
954 		if (q_vector->rx.ring && q_vector->tx.ring)  in igb_request_msix()
955 			sprintf(q_vector->name, "%s-TxRx-%u", netdev->name,  in igb_request_msix()
956 				q_vector->rx.ring->queue_index);  in igb_request_msix()
957 		else if (q_vector->tx.ring)  in igb_request_msix()
958 			sprintf(q_vector->name, "%s-tx-%u", netdev->name,  in igb_request_msix()
959 				q_vector->tx.ring->queue_index);  in igb_request_msix()
960 		else if (q_vector->rx.ring)  in igb_request_msix()
961 			sprintf(q_vector->name, "%s-rx-%u", netdev->name,  in igb_request_msix()
962 				q_vector->rx.ring->queue_index);  in igb_request_msix()
964 			sprintf(q_vector->name, "%s-unused", netdev->name);  in igb_request_msix()
967 				  igb_msix_ring, 0, q_vector->name,  in igb_request_msix()
968 				  q_vector);  in igb_request_msix()
983 			 adapter->q_vector[i]);  in igb_request_msix()
998 	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];  in igb_free_q_vector()  local
1000 	adapter->q_vector[v_idx] = NULL;  in igb_free_q_vector()
1005 	if (q_vector)  in igb_free_q_vector()
1006 		kfree_rcu(q_vector, rcu);  in igb_free_q_vector()
1019 	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];  in igb_reset_q_vector()  local
1024 	if (!q_vector)  in igb_reset_q_vector()
1027 	if (q_vector->tx.ring)  in igb_reset_q_vector()
1028 		adapter->tx_ring[q_vector->tx.ring->queue_index] = NULL;  in igb_reset_q_vector()
1030 	if (q_vector->rx.ring)  in igb_reset_q_vector()
1031 		adapter->rx_ring[q_vector->rx.ring->queue_index] = NULL;  in igb_reset_q_vector()
1033 	netif_napi_del(&q_vector->napi);  in igb_reset_q_vector()
1188 	struct igb_q_vector *q_vector;  in igb_alloc_q_vector()  local
1198 	size = struct_size(q_vector, ring, ring_count);  in igb_alloc_q_vector()
1201 	q_vector = adapter->q_vector[v_idx];  in igb_alloc_q_vector()
1202 	if (!q_vector) {  in igb_alloc_q_vector()
1203 		q_vector = kzalloc(size, GFP_KERNEL);  in igb_alloc_q_vector()
1204 	} else if (size > ksize(q_vector)) {  in igb_alloc_q_vector()
1205 		kfree_rcu(q_vector, rcu);  in igb_alloc_q_vector()
1206 		q_vector = kzalloc(size, GFP_KERNEL);  in igb_alloc_q_vector()
1208 		memset(q_vector, 0, size);  in igb_alloc_q_vector()
1210 	if (!q_vector)  in igb_alloc_q_vector()
1214 	netif_napi_add(adapter->netdev, &q_vector->napi, igb_poll);  in igb_alloc_q_vector()
1217 	adapter->q_vector[v_idx] = q_vector;  in igb_alloc_q_vector()
1218 	q_vector->adapter = adapter;  in igb_alloc_q_vector()
1221 	q_vector->tx.work_limit = adapter->tx_work_limit;  in igb_alloc_q_vector()
1224 	q_vector->itr_register = adapter->io_addr + E1000_EITR(0);  in igb_alloc_q_vector()
1225 	q_vector->itr_val = IGB_START_ITR;  in igb_alloc_q_vector()
1228 	ring = q_vector->ring;  in igb_alloc_q_vector()
1234 			q_vector->itr_val = adapter->rx_itr_setting;  in igb_alloc_q_vector()
1238 			q_vector->itr_val = adapter->tx_itr_setting;  in igb_alloc_q_vector()
1247 		ring->q_vector = q_vector;  in igb_alloc_q_vector()
1250 		igb_add_ring(ring, &q_vector->tx);  in igb_alloc_q_vector()
1282 		ring->q_vector = q_vector;  in igb_alloc_q_vector()
1285 		igb_add_ring(ring, &q_vector->rx);  in igb_alloc_q_vector()
1430 	igb_assign_vector(adapter->q_vector[0], 0);  in igb_request_irq()
1463 				 adapter->q_vector[i]);  in igb_free_irq()
2127 		napi_enable(&(adapter->q_vector[i]->napi));  in igb_up()
2132 		igb_assign_vector(adapter->q_vector[0], 0);  in igb_up()
2195 		if (adapter->q_vector[i]) {  in igb_down()
2196 			napi_synchronize(&adapter->q_vector[i]->napi);  in igb_down()
2197 			napi_disable(&adapter->q_vector[i]->napi);  in igb_down()
4107 		napi_enable(&(adapter->q_vector[i]->napi));  in __igb_open()
5623 			eics |= adapter->q_vector[i]->eims_value;  in igb_watchdog_task()
5671 static void igb_update_ring_itr(struct igb_q_vector *q_vector)  in igb_update_ring_itr()  argument
5673 	int new_val = q_vector->itr_val;  in igb_update_ring_itr()
5675 	struct igb_adapter *adapter = q_vector->adapter;  in igb_update_ring_itr()
5686 	packets = q_vector->rx.total_packets;  in igb_update_ring_itr()
5688 		avg_wire_size = q_vector->rx.total_bytes / packets;  in igb_update_ring_itr()
5690 	packets = q_vector->tx.total_packets;  in igb_update_ring_itr()
5693 				      q_vector->tx.total_bytes / packets);  in igb_update_ring_itr()
5713 	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||  in igb_update_ring_itr()
5714 	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))  in igb_update_ring_itr()
5718 	if (new_val != q_vector->itr_val) {  in igb_update_ring_itr()
5719 		q_vector->itr_val = new_val;  in igb_update_ring_itr()
5720 		q_vector->set_itr = 1;  in igb_update_ring_itr()
5723 	q_vector->rx.total_bytes = 0;  in igb_update_ring_itr()
5724 	q_vector->rx.total_packets = 0;  in igb_update_ring_itr()
5725 	q_vector->tx.total_bytes = 0;  in igb_update_ring_itr()
5726 	q_vector->tx.total_packets = 0;  in igb_update_ring_itr()
5745 static void igb_update_itr(struct igb_q_vector *q_vector,  in igb_update_itr()  argument
5797 static void igb_set_itr(struct igb_q_vector *q_vector)  in igb_set_itr()  argument
5799 	struct igb_adapter *adapter = q_vector->adapter;  in igb_set_itr()
5800 	u32 new_itr = q_vector->itr_val;  in igb_set_itr()
5810 	igb_update_itr(q_vector, &q_vector->tx);  in igb_set_itr()
5811 	igb_update_itr(q_vector, &q_vector->rx);  in igb_set_itr()
5813 	current_itr = max(q_vector->rx.itr, q_vector->tx.itr);  in igb_set_itr()
5817 	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||  in igb_set_itr()
5818 	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))  in igb_set_itr()
5837 	if (new_itr != q_vector->itr_val) {  in igb_set_itr()
5842 		new_itr = new_itr > q_vector->itr_val ?  in igb_set_itr()
5843 			  max((new_itr * q_vector->itr_val) /  in igb_set_itr()
5844 			  (new_itr + (q_vector->itr_val >> 2)),  in igb_set_itr()
5852 		q_vector->itr_val = new_itr;  in igb_set_itr()
5853 		q_vector->set_itr = 1;  in igb_set_itr()
6976 static void igb_write_itr(struct igb_q_vector *q_vector)  in igb_write_itr()  argument
6978 	struct igb_adapter *adapter = q_vector->adapter;  in igb_write_itr()
6979 	u32 itr_val = q_vector->itr_val & 0x7FFC;  in igb_write_itr()
6981 	if (!q_vector->set_itr)  in igb_write_itr()
6992 	writel(itr_val, q_vector->itr_register);  in igb_write_itr()
6993 	q_vector->set_itr = 0;  in igb_write_itr()
6998 	struct igb_q_vector *q_vector = data;  in igb_msix_ring()  local
7001 	igb_write_itr(q_vector);  in igb_msix_ring()
7003 	napi_schedule(&q_vector->napi);  in igb_msix_ring()
7050 static void igb_update_dca(struct igb_q_vector *q_vector)  in igb_update_dca()  argument
7052 	struct igb_adapter *adapter = q_vector->adapter;  in igb_update_dca()
7055 	if (q_vector->cpu == cpu)  in igb_update_dca()
7058 	if (q_vector->tx.ring)  in igb_update_dca()
7059 		igb_update_tx_dca(adapter, q_vector->tx.ring, cpu);  in igb_update_dca()
7061 	if (q_vector->rx.ring)  in igb_update_dca()
7062 		igb_update_rx_dca(adapter, q_vector->rx.ring, cpu);  in igb_update_dca()
7064 	q_vector->cpu = cpu;  in igb_update_dca()
7081 		adapter->q_vector[i]->cpu = -1;  in igb_setup_dca()
7082 		igb_update_dca(adapter->q_vector[i]);  in igb_setup_dca()
8020 	struct igb_q_vector *q_vector = adapter->q_vector[0];  in igb_intr_msi()  local
8025 	igb_write_itr(q_vector);  in igb_intr_msi()
8044 	napi_schedule(&q_vector->napi);  in igb_intr_msi()
8057 	struct igb_q_vector *q_vector = adapter->q_vector[0];  in igb_intr()  local
8070 	igb_write_itr(q_vector);  in igb_intr()
8090 	napi_schedule(&q_vector->napi);  in igb_intr()
8095 static void igb_ring_irq_enable(struct igb_q_vector *q_vector)  in igb_ring_irq_enable()  argument
8097 	struct igb_adapter *adapter = q_vector->adapter;  in igb_ring_irq_enable()
8100 	if ((q_vector->rx.ring && (adapter->rx_itr_setting & 3)) ||  in igb_ring_irq_enable()
8101 	    (!q_vector->rx.ring && (adapter->tx_itr_setting & 3))) {  in igb_ring_irq_enable()
8103 			igb_set_itr(q_vector);  in igb_ring_irq_enable()
8105 			igb_update_ring_itr(q_vector);  in igb_ring_irq_enable()
8110 			wr32(E1000_EIMS, q_vector->eims_value);  in igb_ring_irq_enable()
8123 	struct igb_q_vector *q_vector = container_of(napi,  in igb_poll()  local
8130 	if (q_vector->adapter->flags & IGB_FLAG_DCA_ENABLED)  in igb_poll()
8131 		igb_update_dca(q_vector);  in igb_poll()
8133 	if (q_vector->tx.ring)  in igb_poll()
8134 		clean_complete = igb_clean_tx_irq(q_vector, budget);  in igb_poll()
8136 	if (q_vector->rx.ring) {  in igb_poll()
8137 		int cleaned = igb_clean_rx_irq(q_vector, budget);  in igb_poll()
8152 		igb_ring_irq_enable(q_vector);  in igb_poll()
8164 static bool igb_clean_tx_irq(struct igb_q_vector *q_vector, int napi_budget)  in igb_clean_tx_irq()  argument
8166 	struct igb_adapter *adapter = q_vector->adapter;  in igb_clean_tx_irq()
8167 	struct igb_ring *tx_ring = q_vector->tx.ring;  in igb_clean_tx_irq()
8171 	unsigned int budget = q_vector->tx.work_limit;  in igb_clean_tx_irq()
8263 	q_vector->tx.total_bytes += total_bytes;  in igb_clean_tx_irq()
8264 	q_vector->tx.total_packets += total_packets;  in igb_clean_tx_irq()
8443 	skb = napi_alloc_skb(&rx_ring->q_vector->napi, IGB_RX_HDR_LEN);  in igb_construct_skb()
8729 		igb_ptp_rx_rgtstamp(rx_ring->q_vector, skb);  in igb_process_skb_fields()
8801 static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget)  in igb_clean_rx_irq()  argument
8803 	struct igb_adapter *adapter = q_vector->adapter;  in igb_clean_rx_irq()
8804 	struct igb_ring *rx_ring = q_vector->rx.ring;  in igb_clean_rx_irq()
8851 			ts_hdr_len = igb_ptp_rx_pktstamp(rx_ring->q_vector,  in igb_clean_rx_irq()
8918 		napi_gro_receive(&q_vector->napi, skb);  in igb_clean_rx_irq()
8943 	q_vector->rx.total_packets += total_packets;  in igb_clean_rx_irq()
8944 	q_vector->rx.total_bytes += total_bytes;  in igb_clean_rx_irq()