795 static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)  in igb_assign_vector()  argument
797 	struct igb_adapter *adapter = q_vector->adapter;  in igb_assign_vector()
803 	if (q_vector->rx.ring)  in igb_assign_vector()
804 		rx_queue = q_vector->rx.ring->reg_idx;  in igb_assign_vector()
805 	if (q_vector->tx.ring)  in igb_assign_vector()
806 		tx_queue = q_vector->tx.ring->reg_idx;  in igb_assign_vector()
822 		q_vector->eims_value = msixbm;  in igb_assign_vector()
838 		q_vector->eims_value = 1 << msix_vector;  in igb_assign_vector()
859 		q_vector->eims_value = 1 << msix_vector;  in igb_assign_vector()
867 	adapter->eims_enable_mask |= q_vector->eims_value;  in igb_assign_vector()
870 	q_vector->set_itr = 1;  in igb_assign_vector()
934 		igb_assign_vector(adapter->q_vector[i], vector++);  in igb_configure_msix()
958 		struct igb_q_vector *q_vector = adapter->q_vector[i];  in igb_request_msix()  local
962 		q_vector->itr_register = hw->hw_addr + E1000_EITR(vector);  in igb_request_msix()
964 		if (q_vector->rx.ring && q_vector->tx.ring)  in igb_request_msix()
965 			sprintf(q_vector->name, "%s-TxRx-%u", netdev->name,  in igb_request_msix()
966 				q_vector->rx.ring->queue_index);  in igb_request_msix()
967 		else if (q_vector->tx.ring)  in igb_request_msix()
968 			sprintf(q_vector->name, "%s-tx-%u", netdev->name,  in igb_request_msix()
969 				q_vector->tx.ring->queue_index);  in igb_request_msix()
970 		else if (q_vector->rx.ring)  in igb_request_msix()
971 			sprintf(q_vector->name, "%s-rx-%u", netdev->name,  in igb_request_msix()
972 				q_vector->rx.ring->queue_index);  in igb_request_msix()
974 			sprintf(q_vector->name, "%s-unused", netdev->name);  in igb_request_msix()
977 				  igb_msix_ring, 0, q_vector->name,  in igb_request_msix()
978 				  q_vector);  in igb_request_msix()
993 			 adapter->q_vector[i]);  in igb_request_msix()
1008 	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];  in igb_free_q_vector()  local
1010 	adapter->q_vector[v_idx] = NULL;  in igb_free_q_vector()
1015 	if (q_vector)  in igb_free_q_vector()
1016 		kfree_rcu(q_vector, rcu);  in igb_free_q_vector()
1029 	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];  in igb_reset_q_vector()  local
1034 	if (!q_vector)  in igb_reset_q_vector()
1037 	if (q_vector->tx.ring)  in igb_reset_q_vector()
1038 		adapter->tx_ring[q_vector->tx.ring->queue_index] = NULL;  in igb_reset_q_vector()
1040 	if (q_vector->rx.ring)  in igb_reset_q_vector()
1041 		adapter->rx_ring[q_vector->rx.ring->queue_index] = NULL;  in igb_reset_q_vector()
1043 	netif_napi_del(&q_vector->napi);  in igb_reset_q_vector()
1196 	struct igb_q_vector *q_vector;  in igb_alloc_q_vector()  local
1209 	q_vector = adapter->q_vector[v_idx];  in igb_alloc_q_vector()
1210 	if (!q_vector) {  in igb_alloc_q_vector()
1211 		q_vector = kzalloc(size, GFP_KERNEL);  in igb_alloc_q_vector()
1212 	} else if (size > ksize(q_vector)) {  in igb_alloc_q_vector()
1213 		kfree_rcu(q_vector, rcu);  in igb_alloc_q_vector()
1214 		q_vector = kzalloc(size, GFP_KERNEL);  in igb_alloc_q_vector()
1216 		memset(q_vector, 0, size);  in igb_alloc_q_vector()
1218 	if (!q_vector)  in igb_alloc_q_vector()
1222 	netif_napi_add(adapter->netdev, &q_vector->napi,  in igb_alloc_q_vector()
1226 	adapter->q_vector[v_idx] = q_vector;  in igb_alloc_q_vector()
1227 	q_vector->adapter = adapter;  in igb_alloc_q_vector()
1230 	q_vector->tx.work_limit = adapter->tx_work_limit;  in igb_alloc_q_vector()
1233 	q_vector->itr_register = adapter->hw.hw_addr + E1000_EITR(0);  in igb_alloc_q_vector()
1234 	q_vector->itr_val = IGB_START_ITR;  in igb_alloc_q_vector()
1237 	ring = q_vector->ring;  in igb_alloc_q_vector()
1243 			q_vector->itr_val = adapter->rx_itr_setting;  in igb_alloc_q_vector()
1247 			q_vector->itr_val = adapter->tx_itr_setting;  in igb_alloc_q_vector()
1256 		ring->q_vector = q_vector;  in igb_alloc_q_vector()
1259 		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()
1738 		napi_enable(&(adapter->q_vector[i]->napi));  in igb_up()
1743 		igb_assign_vector(adapter->q_vector[0], 0);  in igb_up()
1803 		if (adapter->q_vector[i]) {  in igb_down()
1804 			napi_synchronize(&adapter->q_vector[i]->napi);  in igb_down()
1805 			napi_disable(&adapter->q_vector[i]->napi);  in igb_down()
3085 		napi_enable(&(adapter->q_vector[i]->napi));  in __igb_open()
4386 			eics |= adapter->q_vector[i]->eims_value;  in igb_watchdog_task()
4433 static void igb_update_ring_itr(struct igb_q_vector *q_vector)  in igb_update_ring_itr()  argument
4435 	int new_val = q_vector->itr_val;  in igb_update_ring_itr()
4437 	struct igb_adapter *adapter = q_vector->adapter;  in igb_update_ring_itr()
4448 	packets = q_vector->rx.total_packets;  in igb_update_ring_itr()
4450 		avg_wire_size = q_vector->rx.total_bytes / packets;  in igb_update_ring_itr()
4452 	packets = q_vector->tx.total_packets;  in igb_update_ring_itr()
4455 				      q_vector->tx.total_bytes / packets);  in igb_update_ring_itr()
4475 	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||  in igb_update_ring_itr()
4476 	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))  in igb_update_ring_itr()
4480 	if (new_val != q_vector->itr_val) {  in igb_update_ring_itr()
4481 		q_vector->itr_val = new_val;  in igb_update_ring_itr()
4482 		q_vector->set_itr = 1;  in igb_update_ring_itr()
4485 	q_vector->rx.total_bytes = 0;  in igb_update_ring_itr()
4486 	q_vector->rx.total_packets = 0;  in igb_update_ring_itr()
4487 	q_vector->tx.total_bytes = 0;  in igb_update_ring_itr()
4488 	q_vector->tx.total_packets = 0;  in igb_update_ring_itr()
4507 static void igb_update_itr(struct igb_q_vector *q_vector,  in igb_update_itr()  argument
4559 static void igb_set_itr(struct igb_q_vector *q_vector)  in igb_set_itr()  argument
4561 	struct igb_adapter *adapter = q_vector->adapter;  in igb_set_itr()
4562 	u32 new_itr = q_vector->itr_val;  in igb_set_itr()
4572 	igb_update_itr(q_vector, &q_vector->tx);  in igb_set_itr()
4573 	igb_update_itr(q_vector, &q_vector->rx);  in igb_set_itr()
4575 	current_itr = max(q_vector->rx.itr, q_vector->tx.itr);  in igb_set_itr()
4579 	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||  in igb_set_itr()
4580 	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))  in igb_set_itr()
4599 	if (new_itr != q_vector->itr_val) {  in igb_set_itr()
4604 		new_itr = new_itr > q_vector->itr_val ?  in igb_set_itr()
4605 			  max((new_itr * q_vector->itr_val) /  in igb_set_itr()
4606 			  (new_itr + (q_vector->itr_val >> 2)),  in igb_set_itr()
4614 		q_vector->itr_val = new_itr;  in igb_set_itr()
4615 		q_vector->set_itr = 1;  in igb_set_itr()
5505 static void igb_write_itr(struct igb_q_vector *q_vector)  in igb_write_itr()  argument
5507 	struct igb_adapter *adapter = q_vector->adapter;  in igb_write_itr()
5508 	u32 itr_val = q_vector->itr_val & 0x7FFC;  in igb_write_itr()
5510 	if (!q_vector->set_itr)  in igb_write_itr()
5521 	writel(itr_val, q_vector->itr_register);  in igb_write_itr()
5522 	q_vector->set_itr = 0;  in igb_write_itr()
5527 	struct igb_q_vector *q_vector = data;  in igb_msix_ring()  local
5530 	igb_write_itr(q_vector);  in igb_msix_ring()
5532 	napi_schedule(&q_vector->napi);  in igb_msix_ring()
5579 static void igb_update_dca(struct igb_q_vector *q_vector)  in igb_update_dca()  argument
5581 	struct igb_adapter *adapter = q_vector->adapter;  in igb_update_dca()
5584 	if (q_vector->cpu == cpu)  in igb_update_dca()
5587 	if (q_vector->tx.ring)  in igb_update_dca()
5588 		igb_update_tx_dca(adapter, q_vector->tx.ring, cpu);  in igb_update_dca()
5590 	if (q_vector->rx.ring)  in igb_update_dca()
5591 		igb_update_rx_dca(adapter, q_vector->rx.ring, cpu);  in igb_update_dca()
5593 	q_vector->cpu = cpu;  in igb_update_dca()
5610 		adapter->q_vector[i]->cpu = -1;  in igb_setup_dca()
5611 		igb_update_dca(adapter->q_vector[i]);  in igb_setup_dca()
6260 	struct igb_q_vector *q_vector = adapter->q_vector[0];  in igb_intr_msi()  local
6265 	igb_write_itr(q_vector);  in igb_intr_msi()
6284 	napi_schedule(&q_vector->napi);  in igb_intr_msi()
6297 	struct igb_q_vector *q_vector = adapter->q_vector[0];  in igb_intr()  local
6310 	igb_write_itr(q_vector);  in igb_intr()
6330 	napi_schedule(&q_vector->napi);  in igb_intr()
6335 static void igb_ring_irq_enable(struct igb_q_vector *q_vector)  in igb_ring_irq_enable()  argument
6337 	struct igb_adapter *adapter = q_vector->adapter;  in igb_ring_irq_enable()
6340 	if ((q_vector->rx.ring && (adapter->rx_itr_setting & 3)) ||  in igb_ring_irq_enable()
6341 	    (!q_vector->rx.ring && (adapter->tx_itr_setting & 3))) {  in igb_ring_irq_enable()
6343 			igb_set_itr(q_vector);  in igb_ring_irq_enable()
6345 			igb_update_ring_itr(q_vector);  in igb_ring_irq_enable()
6350 			wr32(E1000_EIMS, q_vector->eims_value);  in igb_ring_irq_enable()
6363 	struct igb_q_vector *q_vector = container_of(napi,  in igb_poll()  local
6370 	if (q_vector->adapter->flags & IGB_FLAG_DCA_ENABLED)  in igb_poll()
6371 		igb_update_dca(q_vector);  in igb_poll()
6373 	if (q_vector->tx.ring)  in igb_poll()
6374 		clean_complete = igb_clean_tx_irq(q_vector);  in igb_poll()
6376 	if (q_vector->rx.ring) {  in igb_poll()
6377 		int cleaned = igb_clean_rx_irq(q_vector, budget);  in igb_poll()
6389 	igb_ring_irq_enable(q_vector);  in igb_poll()
6400 static bool igb_clean_tx_irq(struct igb_q_vector *q_vector)  in igb_clean_tx_irq()  argument
6402 	struct igb_adapter *adapter = q_vector->adapter;  in igb_clean_tx_irq()
6403 	struct igb_ring *tx_ring = q_vector->tx.ring;  in igb_clean_tx_irq()
6407 	unsigned int budget = q_vector->tx.work_limit;  in igb_clean_tx_irq()
6497 	q_vector->tx.total_bytes += total_bytes;  in igb_clean_tx_irq()
6498 	q_vector->tx.total_packets += total_packets;  in igb_clean_tx_irq()
6664 		igb_ptp_rx_pktstamp(rx_ring->q_vector, va, skb);  in igb_add_rx_frag()
6722 		skb = napi_alloc_skb(&rx_ring->q_vector->napi, IGB_RX_HDR_LEN);  in igb_fetch_rx_buffer()
6892 		igb_ptp_rx_rgtstamp(rx_ring->q_vector, skb);  in igb_process_skb_fields()
6912 static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget)  in igb_clean_rx_irq()  argument
6914 	struct igb_ring *rx_ring = q_vector->rx.ring;  in igb_clean_rx_irq()
6964 		napi_gro_receive(&q_vector->napi, skb);  in igb_clean_rx_irq()
6980 	q_vector->rx.total_packets += total_packets;  in igb_clean_rx_irq()
6981 	q_vector->rx.total_bytes += total_bytes;  in igb_clean_rx_irq()
7584 	struct igb_q_vector *q_vector;  in igb_netpoll()  local
7588 		q_vector = adapter->q_vector[i];  in igb_netpoll()
7590 			wr32(E1000_EIMC, q_vector->eims_value);  in igb_netpoll()
7593 		napi_schedule(&q_vector->napi);  in igb_netpoll()