417 			     struct igbvf_ring *tx_ring)  in igbvf_setup_tx_resources()  argument
422 	size = sizeof(struct igbvf_buffer) * tx_ring->count;  in igbvf_setup_tx_resources()
423 	tx_ring->buffer_info = vzalloc(size);  in igbvf_setup_tx_resources()
424 	if (!tx_ring->buffer_info)  in igbvf_setup_tx_resources()
428 	tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);  in igbvf_setup_tx_resources()
429 	tx_ring->size = ALIGN(tx_ring->size, 4096);  in igbvf_setup_tx_resources()
431 	tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,  in igbvf_setup_tx_resources()
432 					   &tx_ring->dma, GFP_KERNEL);  in igbvf_setup_tx_resources()
433 	if (!tx_ring->desc)  in igbvf_setup_tx_resources()
436 	tx_ring->adapter = adapter;  in igbvf_setup_tx_resources()
437 	tx_ring->next_to_use = 0;  in igbvf_setup_tx_resources()
438 	tx_ring->next_to_clean = 0;  in igbvf_setup_tx_resources()
442 	vfree(tx_ring->buffer_info);  in igbvf_setup_tx_resources()
496 static void igbvf_clean_tx_ring(struct igbvf_ring *tx_ring)  in igbvf_clean_tx_ring()  argument
498 	struct igbvf_adapter *adapter = tx_ring->adapter;  in igbvf_clean_tx_ring()
503 	if (!tx_ring->buffer_info)  in igbvf_clean_tx_ring()
507 	for (i = 0; i < tx_ring->count; i++) {  in igbvf_clean_tx_ring()
508 		buffer_info = &tx_ring->buffer_info[i];  in igbvf_clean_tx_ring()
512 	size = sizeof(struct igbvf_buffer) * tx_ring->count;  in igbvf_clean_tx_ring()
513 	memset(tx_ring->buffer_info, 0, size);  in igbvf_clean_tx_ring()
516 	memset(tx_ring->desc, 0, tx_ring->size);  in igbvf_clean_tx_ring()
518 	tx_ring->next_to_use = 0;  in igbvf_clean_tx_ring()
519 	tx_ring->next_to_clean = 0;  in igbvf_clean_tx_ring()
521 	writel(0, adapter->hw.hw_addr + tx_ring->head);  in igbvf_clean_tx_ring()
522 	writel(0, adapter->hw.hw_addr + tx_ring->tail);  in igbvf_clean_tx_ring()
531 void igbvf_free_tx_resources(struct igbvf_ring *tx_ring)  in igbvf_free_tx_resources()  argument
533 	struct pci_dev *pdev = tx_ring->adapter->pdev;  in igbvf_free_tx_resources()
535 	igbvf_clean_tx_ring(tx_ring);  in igbvf_free_tx_resources()
537 	vfree(tx_ring->buffer_info);  in igbvf_free_tx_resources()
538 	tx_ring->buffer_info = NULL;  in igbvf_free_tx_resources()
540 	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,  in igbvf_free_tx_resources()
541 			  tx_ring->dma);  in igbvf_free_tx_resources()
543 	tx_ring->desc = NULL;  in igbvf_free_tx_resources()
717 	adapter->tx_ring->itr_range =  in igbvf_set_itr()
719 					 adapter->tx_ring->itr_val,  in igbvf_set_itr()
725 	    adapter->tx_ring->itr_range == lowest_latency)  in igbvf_set_itr()
726 		adapter->tx_ring->itr_range = low_latency;  in igbvf_set_itr()
728 	new_itr = igbvf_range_to_itr(adapter->tx_ring->itr_range);  in igbvf_set_itr()
730 	if (new_itr != adapter->tx_ring->itr_val) {  in igbvf_set_itr()
731 		u32 current_itr = adapter->tx_ring->itr_val;  in igbvf_set_itr()
739 		adapter->tx_ring->itr_val = new_itr;  in igbvf_set_itr()
741 		adapter->tx_ring->set_itr = 1;  in igbvf_set_itr()
772 static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring)  in igbvf_clean_tx_irq()  argument
774 	struct igbvf_adapter *adapter = tx_ring->adapter;  in igbvf_clean_tx_irq()
783 	i = tx_ring->next_to_clean;  in igbvf_clean_tx_irq()
784 	buffer_info = &tx_ring->buffer_info[i];  in igbvf_clean_tx_irq()
803 			tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i);  in igbvf_clean_tx_irq()
823 			if (i == tx_ring->count)  in igbvf_clean_tx_irq()
826 			buffer_info = &tx_ring->buffer_info[i];  in igbvf_clean_tx_irq()
830 	} while (count < tx_ring->count);  in igbvf_clean_tx_irq()
832 	tx_ring->next_to_clean = i;  in igbvf_clean_tx_irq()
835 	    igbvf_desc_unused(tx_ring) >= IGBVF_TX_QUEUE_WAKE)) {  in igbvf_clean_tx_irq()
849 	return count < tx_ring->count;  in igbvf_clean_tx_irq()
874 	struct igbvf_ring *tx_ring = adapter->tx_ring;  in igbvf_intr_msix_tx()  local
876 	if (tx_ring->set_itr) {  in igbvf_intr_msix_tx()
877 		writel(tx_ring->itr_val,  in igbvf_intr_msix_tx()
878 		       adapter->hw.hw_addr + tx_ring->itr_register);  in igbvf_intr_msix_tx()
879 		adapter->tx_ring->set_itr = 0;  in igbvf_intr_msix_tx()
888 	if (!igbvf_clean_tx_irq(tx_ring))  in igbvf_intr_msix_tx()
890 		ew32(EICS, tx_ring->eims_value);  in igbvf_intr_msix_tx()
892 		ew32(EIMS, tx_ring->eims_value);  in igbvf_intr_msix_tx()
962 		adapter->tx_ring[tx_queue].eims_value = BIT(msix_vector);  in igbvf_assign_vector()
978 	struct igbvf_ring *tx_ring = adapter->tx_ring;  in igbvf_configure_msix()  local
985 	adapter->eims_enable_mask |= tx_ring->eims_value;  in igbvf_configure_msix()
986 	writel(tx_ring->itr_val, hw->hw_addr + tx_ring->itr_register);  in igbvf_configure_msix()
1055 		sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);  in igbvf_request_msix()
1058 		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);  in igbvf_request_msix()
1063 			  igbvf_intr_msix_tx, 0, adapter->tx_ring->name,  in igbvf_request_msix()
1068 	adapter->tx_ring->itr_register = E1000_EITR(vector);  in igbvf_request_msix()
1069 	adapter->tx_ring->itr_val = adapter->current_itr;  in igbvf_request_msix()
1105 	adapter->tx_ring = kzalloc(sizeof(struct igbvf_ring), GFP_KERNEL);  in igbvf_alloc_queues()
1106 	if (!adapter->tx_ring)  in igbvf_alloc_queues()
1111 		kfree(adapter->tx_ring);  in igbvf_alloc_queues()
1291 	struct igbvf_ring *tx_ring = adapter->tx_ring;  in igbvf_configure_tx()  local
1302 	ew32(TDLEN(0), tx_ring->count * sizeof(union e1000_adv_tx_desc));  in igbvf_configure_tx()
1303 	tdba = tx_ring->dma;  in igbvf_configure_tx()
1308 	tx_ring->head = E1000_TDH(0);  in igbvf_configure_tx()
1309 	tx_ring->tail = E1000_TDT(0);  in igbvf_configure_tx()
1604 	igbvf_clean_tx_ring(adapter->tx_ring);  in igbvf_down()
1719 	err = igbvf_setup_tx_resources(adapter, adapter->tx_ring);  in igbvf_open()
1758 	igbvf_free_tx_resources(adapter->tx_ring);  in igbvf_open()
1785 	igbvf_free_tx_resources(adapter->tx_ring);  in igbvf_close()
1919 	struct igbvf_ring *tx_ring = adapter->tx_ring;  in igbvf_watchdog_task()  local
1949 		tx_pending = (igbvf_desc_unused(tx_ring) + 1 <  in igbvf_watchdog_task()
1950 			      tx_ring->count);  in igbvf_watchdog_task()
1978 static void igbvf_tx_ctxtdesc(struct igbvf_ring *tx_ring, u32 vlan_macip_lens,  in igbvf_tx_ctxtdesc()  argument
1983 	u16 i = tx_ring->next_to_use;  in igbvf_tx_ctxtdesc()
1985 	context_desc = IGBVF_TX_CTXTDESC_ADV(*tx_ring, i);  in igbvf_tx_ctxtdesc()
1986 	buffer_info = &tx_ring->buffer_info[i];  in igbvf_tx_ctxtdesc()
1989 	tx_ring->next_to_use = (i < tx_ring->count) ? i : 0;  in igbvf_tx_ctxtdesc()
2003 static int igbvf_tso(struct igbvf_ring *tx_ring,  in igbvf_tso()  argument
2072 	igbvf_tx_ctxtdesc(tx_ring, vlan_macip_lens, type_tucmd, mss_l4len_idx);  in igbvf_tso()
2077 static bool igbvf_tx_csum(struct igbvf_ring *tx_ring, struct sk_buff *skb,  in igbvf_tx_csum()  argument
2114 	igbvf_tx_ctxtdesc(tx_ring, vlan_macip_lens, type_tucmd, 0);  in igbvf_tx_csum()
2123 	if (igbvf_desc_unused(adapter->tx_ring) >= size)  in igbvf_maybe_stop_tx()
2135 	if (igbvf_desc_unused(adapter->tx_ring) < size)  in igbvf_maybe_stop_tx()
2148 				   struct igbvf_ring *tx_ring,  in igbvf_tx_map_adv()  argument
2157 	i = tx_ring->next_to_use;  in igbvf_tx_map_adv()
2159 	buffer_info = &tx_ring->buffer_info[i];  in igbvf_tx_map_adv()
2175 		if (i == tx_ring->count)  in igbvf_tx_map_adv()
2181 		buffer_info = &tx_ring->buffer_info[i];  in igbvf_tx_map_adv()
2192 	tx_ring->buffer_info[i].skb = skb;  in igbvf_tx_map_adv()
2210 			i += tx_ring->count;  in igbvf_tx_map_adv()
2212 		buffer_info = &tx_ring->buffer_info[i];  in igbvf_tx_map_adv()
2220 				      struct igbvf_ring *tx_ring,  in igbvf_tx_queue_adv()  argument
2252 	i = tx_ring->next_to_use;  in igbvf_tx_queue_adv()
2254 		buffer_info = &tx_ring->buffer_info[i];  in igbvf_tx_queue_adv()
2255 		tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i);  in igbvf_tx_queue_adv()
2261 		if (i == tx_ring->count)  in igbvf_tx_queue_adv()
2273 	tx_ring->buffer_info[first].next_to_watch = tx_desc;  in igbvf_tx_queue_adv()
2274 	tx_ring->next_to_use = i;  in igbvf_tx_queue_adv()
2275 	writel(i, adapter->hw.hw_addr + tx_ring->tail);  in igbvf_tx_queue_adv()
2280 					     struct igbvf_ring *tx_ring)  in igbvf_xmit_frame_ring_adv()  argument
2319 	first = tx_ring->next_to_use;  in igbvf_xmit_frame_ring_adv()
2321 	tso = igbvf_tso(tx_ring, skb, tx_flags, &hdr_len);  in igbvf_xmit_frame_ring_adv()
2329 	else if (igbvf_tx_csum(tx_ring, skb, tx_flags, protocol) &&  in igbvf_xmit_frame_ring_adv()
2336 	count = igbvf_tx_map_adv(adapter, tx_ring, skb);  in igbvf_xmit_frame_ring_adv()
2339 		igbvf_tx_queue_adv(adapter, tx_ring, tx_flags, count,  in igbvf_xmit_frame_ring_adv()
2345 		tx_ring->buffer_info[first].time_stamp = 0;  in igbvf_xmit_frame_ring_adv()
2346 		tx_ring->next_to_use = first;  in igbvf_xmit_frame_ring_adv()
2356 	struct igbvf_ring *tx_ring;  in igbvf_xmit_frame()  local
2363 	tx_ring = &adapter->tx_ring[0];  in igbvf_xmit_frame()
2365 	return igbvf_xmit_frame_ring_adv(skb, netdev, tx_ring);  in igbvf_xmit_frame()
2514 	igbvf_clean_tx_irq(adapter->tx_ring);  in igbvf_netpoll()
2857 	adapter->tx_ring->count = 1024;  in igbvf_probe()
2883 	kfree(adapter->tx_ring);  in igbvf_probe()
2931 	kfree(adapter->tx_ring);  in igbvf_remove()