Lines Matching refs:tx_ring
418 struct igbvf_ring *tx_ring) in igbvf_setup_tx_resources() argument
423 size = sizeof(struct igbvf_buffer) * tx_ring->count; in igbvf_setup_tx_resources()
424 tx_ring->buffer_info = vzalloc(size); in igbvf_setup_tx_resources()
425 if (!tx_ring->buffer_info) in igbvf_setup_tx_resources()
429 tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc); in igbvf_setup_tx_resources()
430 tx_ring->size = ALIGN(tx_ring->size, 4096); in igbvf_setup_tx_resources()
432 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, in igbvf_setup_tx_resources()
433 &tx_ring->dma, GFP_KERNEL); in igbvf_setup_tx_resources()
434 if (!tx_ring->desc) in igbvf_setup_tx_resources()
437 tx_ring->adapter = adapter; in igbvf_setup_tx_resources()
438 tx_ring->next_to_use = 0; in igbvf_setup_tx_resources()
439 tx_ring->next_to_clean = 0; in igbvf_setup_tx_resources()
443 vfree(tx_ring->buffer_info); in igbvf_setup_tx_resources()
497 static void igbvf_clean_tx_ring(struct igbvf_ring *tx_ring) in igbvf_clean_tx_ring() argument
499 struct igbvf_adapter *adapter = tx_ring->adapter; in igbvf_clean_tx_ring()
504 if (!tx_ring->buffer_info) in igbvf_clean_tx_ring()
508 for (i = 0; i < tx_ring->count; i++) { in igbvf_clean_tx_ring()
509 buffer_info = &tx_ring->buffer_info[i]; in igbvf_clean_tx_ring()
513 size = sizeof(struct igbvf_buffer) * tx_ring->count; in igbvf_clean_tx_ring()
514 memset(tx_ring->buffer_info, 0, size); in igbvf_clean_tx_ring()
517 memset(tx_ring->desc, 0, tx_ring->size); in igbvf_clean_tx_ring()
519 tx_ring->next_to_use = 0; in igbvf_clean_tx_ring()
520 tx_ring->next_to_clean = 0; in igbvf_clean_tx_ring()
522 writel(0, adapter->hw.hw_addr + tx_ring->head); in igbvf_clean_tx_ring()
523 writel(0, adapter->hw.hw_addr + tx_ring->tail); in igbvf_clean_tx_ring()
532 void igbvf_free_tx_resources(struct igbvf_ring *tx_ring) in igbvf_free_tx_resources() argument
534 struct pci_dev *pdev = tx_ring->adapter->pdev; in igbvf_free_tx_resources()
536 igbvf_clean_tx_ring(tx_ring); in igbvf_free_tx_resources()
538 vfree(tx_ring->buffer_info); in igbvf_free_tx_resources()
539 tx_ring->buffer_info = NULL; in igbvf_free_tx_resources()
541 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, in igbvf_free_tx_resources()
542 tx_ring->dma); in igbvf_free_tx_resources()
544 tx_ring->desc = NULL; in igbvf_free_tx_resources()
718 adapter->tx_ring->itr_range = in igbvf_set_itr()
720 adapter->tx_ring->itr_val, in igbvf_set_itr()
726 adapter->tx_ring->itr_range == lowest_latency) in igbvf_set_itr()
727 adapter->tx_ring->itr_range = low_latency; in igbvf_set_itr()
729 new_itr = igbvf_range_to_itr(adapter->tx_ring->itr_range); in igbvf_set_itr()
731 if (new_itr != adapter->tx_ring->itr_val) { in igbvf_set_itr()
732 u32 current_itr = adapter->tx_ring->itr_val; in igbvf_set_itr()
740 adapter->tx_ring->itr_val = new_itr; in igbvf_set_itr()
742 adapter->tx_ring->set_itr = 1; in igbvf_set_itr()
773 static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring) in igbvf_clean_tx_irq() argument
775 struct igbvf_adapter *adapter = tx_ring->adapter; in igbvf_clean_tx_irq()
784 i = tx_ring->next_to_clean; in igbvf_clean_tx_irq()
785 buffer_info = &tx_ring->buffer_info[i]; in igbvf_clean_tx_irq()
804 tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i); in igbvf_clean_tx_irq()
824 if (i == tx_ring->count) in igbvf_clean_tx_irq()
827 buffer_info = &tx_ring->buffer_info[i]; in igbvf_clean_tx_irq()
831 } while (count < tx_ring->count); in igbvf_clean_tx_irq()
833 tx_ring->next_to_clean = i; in igbvf_clean_tx_irq()
836 igbvf_desc_unused(tx_ring) >= IGBVF_TX_QUEUE_WAKE)) { in igbvf_clean_tx_irq()
850 return count < tx_ring->count; in igbvf_clean_tx_irq()
875 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_intr_msix_tx() local
877 if (tx_ring->set_itr) { in igbvf_intr_msix_tx()
878 writel(tx_ring->itr_val, in igbvf_intr_msix_tx()
879 adapter->hw.hw_addr + tx_ring->itr_register); in igbvf_intr_msix_tx()
880 adapter->tx_ring->set_itr = 0; in igbvf_intr_msix_tx()
889 if (!igbvf_clean_tx_irq(tx_ring)) in igbvf_intr_msix_tx()
891 ew32(EICS, tx_ring->eims_value); in igbvf_intr_msix_tx()
893 ew32(EIMS, tx_ring->eims_value); in igbvf_intr_msix_tx()
963 adapter->tx_ring[tx_queue].eims_value = BIT(msix_vector); in igbvf_assign_vector()
979 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_configure_msix() local
986 adapter->eims_enable_mask |= tx_ring->eims_value; in igbvf_configure_msix()
987 writel(tx_ring->itr_val, hw->hw_addr + tx_ring->itr_register); in igbvf_configure_msix()
1056 sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name); in igbvf_request_msix()
1059 memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ); in igbvf_request_msix()
1064 igbvf_intr_msix_tx, 0, adapter->tx_ring->name, in igbvf_request_msix()
1069 adapter->tx_ring->itr_register = E1000_EITR(vector); in igbvf_request_msix()
1070 adapter->tx_ring->itr_val = adapter->current_itr; in igbvf_request_msix()
1102 adapter->tx_ring = kzalloc(sizeof(struct igbvf_ring), GFP_KERNEL); in igbvf_alloc_queues()
1103 if (!adapter->tx_ring) in igbvf_alloc_queues()
1108 kfree(adapter->tx_ring); in igbvf_alloc_queues()
1288 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_configure_tx() local
1299 ew32(TDLEN(0), tx_ring->count * sizeof(union e1000_adv_tx_desc)); in igbvf_configure_tx()
1300 tdba = tx_ring->dma; in igbvf_configure_tx()
1305 tx_ring->head = E1000_TDH(0); in igbvf_configure_tx()
1306 tx_ring->tail = E1000_TDT(0); in igbvf_configure_tx()
1602 igbvf_clean_tx_ring(adapter->tx_ring); in igbvf_down()
1717 err = igbvf_setup_tx_resources(adapter, adapter->tx_ring); in igbvf_open()
1756 igbvf_free_tx_resources(adapter->tx_ring); in igbvf_open()
1783 igbvf_free_tx_resources(adapter->tx_ring); in igbvf_close()
1917 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_watchdog_task() local
1947 tx_pending = (igbvf_desc_unused(tx_ring) + 1 < in igbvf_watchdog_task()
1948 tx_ring->count); in igbvf_watchdog_task()
1976 static void igbvf_tx_ctxtdesc(struct igbvf_ring *tx_ring, u32 vlan_macip_lens, in igbvf_tx_ctxtdesc() argument
1981 u16 i = tx_ring->next_to_use; in igbvf_tx_ctxtdesc()
1983 context_desc = IGBVF_TX_CTXTDESC_ADV(*tx_ring, i); in igbvf_tx_ctxtdesc()
1984 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_ctxtdesc()
1987 tx_ring->next_to_use = (i < tx_ring->count) ? i : 0; in igbvf_tx_ctxtdesc()
2001 static int igbvf_tso(struct igbvf_ring *tx_ring, in igbvf_tso() argument
2070 igbvf_tx_ctxtdesc(tx_ring, vlan_macip_lens, type_tucmd, mss_l4len_idx); in igbvf_tso()
2075 static bool igbvf_tx_csum(struct igbvf_ring *tx_ring, struct sk_buff *skb, in igbvf_tx_csum() argument
2112 igbvf_tx_ctxtdesc(tx_ring, vlan_macip_lens, type_tucmd, 0); in igbvf_tx_csum()
2121 if (igbvf_desc_unused(adapter->tx_ring) >= size) in igbvf_maybe_stop_tx()
2133 if (igbvf_desc_unused(adapter->tx_ring) < size) in igbvf_maybe_stop_tx()
2146 struct igbvf_ring *tx_ring, in igbvf_tx_map_adv() argument
2155 i = tx_ring->next_to_use; in igbvf_tx_map_adv()
2157 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_map_adv()
2173 if (i == tx_ring->count) in igbvf_tx_map_adv()
2179 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_map_adv()
2190 tx_ring->buffer_info[i].skb = skb; in igbvf_tx_map_adv()
2208 i += tx_ring->count; in igbvf_tx_map_adv()
2210 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_map_adv()
2218 struct igbvf_ring *tx_ring, in igbvf_tx_queue_adv() argument
2250 i = tx_ring->next_to_use; in igbvf_tx_queue_adv()
2252 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_queue_adv()
2253 tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i); in igbvf_tx_queue_adv()
2259 if (i == tx_ring->count) in igbvf_tx_queue_adv()
2271 tx_ring->buffer_info[first].next_to_watch = tx_desc; in igbvf_tx_queue_adv()
2272 tx_ring->next_to_use = i; in igbvf_tx_queue_adv()
2273 writel(i, adapter->hw.hw_addr + tx_ring->tail); in igbvf_tx_queue_adv()
2278 struct igbvf_ring *tx_ring) in igbvf_xmit_frame_ring_adv() argument
2317 first = tx_ring->next_to_use; in igbvf_xmit_frame_ring_adv()
2319 tso = igbvf_tso(tx_ring, skb, tx_flags, &hdr_len); in igbvf_xmit_frame_ring_adv()
2327 else if (igbvf_tx_csum(tx_ring, skb, tx_flags, protocol) && in igbvf_xmit_frame_ring_adv()
2334 count = igbvf_tx_map_adv(adapter, tx_ring, skb); in igbvf_xmit_frame_ring_adv()
2337 igbvf_tx_queue_adv(adapter, tx_ring, tx_flags, count, in igbvf_xmit_frame_ring_adv()
2343 tx_ring->buffer_info[first].time_stamp = 0; in igbvf_xmit_frame_ring_adv()
2344 tx_ring->next_to_use = first; in igbvf_xmit_frame_ring_adv()
2354 struct igbvf_ring *tx_ring; in igbvf_xmit_frame() local
2361 tx_ring = &adapter->tx_ring[0]; in igbvf_xmit_frame()
2363 return igbvf_xmit_frame_ring_adv(skb, netdev, tx_ring); in igbvf_xmit_frame()
2512 igbvf_clean_tx_irq(adapter->tx_ring); in igbvf_netpoll()
2839 adapter->tx_ring->count = 1024; in igbvf_probe()
2864 kfree(adapter->tx_ring); in igbvf_probe()
2912 kfree(adapter->tx_ring); in igbvf_remove()