Lines Matching refs:tx_ring

436 			     struct igbvf_ring *tx_ring)  in igbvf_setup_tx_resources()  argument
441 size = sizeof(struct igbvf_buffer) * tx_ring->count; in igbvf_setup_tx_resources()
442 tx_ring->buffer_info = vzalloc(size); in igbvf_setup_tx_resources()
443 if (!tx_ring->buffer_info) in igbvf_setup_tx_resources()
447 tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc); in igbvf_setup_tx_resources()
448 tx_ring->size = ALIGN(tx_ring->size, 4096); in igbvf_setup_tx_resources()
450 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, in igbvf_setup_tx_resources()
451 &tx_ring->dma, GFP_KERNEL); in igbvf_setup_tx_resources()
452 if (!tx_ring->desc) in igbvf_setup_tx_resources()
455 tx_ring->adapter = adapter; in igbvf_setup_tx_resources()
456 tx_ring->next_to_use = 0; in igbvf_setup_tx_resources()
457 tx_ring->next_to_clean = 0; in igbvf_setup_tx_resources()
461 vfree(tx_ring->buffer_info); in igbvf_setup_tx_resources()
514 static void igbvf_clean_tx_ring(struct igbvf_ring *tx_ring) in igbvf_clean_tx_ring() argument
516 struct igbvf_adapter *adapter = tx_ring->adapter; in igbvf_clean_tx_ring()
521 if (!tx_ring->buffer_info) in igbvf_clean_tx_ring()
525 for (i = 0; i < tx_ring->count; i++) { in igbvf_clean_tx_ring()
526 buffer_info = &tx_ring->buffer_info[i]; in igbvf_clean_tx_ring()
530 size = sizeof(struct igbvf_buffer) * tx_ring->count; in igbvf_clean_tx_ring()
531 memset(tx_ring->buffer_info, 0, size); in igbvf_clean_tx_ring()
534 memset(tx_ring->desc, 0, tx_ring->size); in igbvf_clean_tx_ring()
536 tx_ring->next_to_use = 0; in igbvf_clean_tx_ring()
537 tx_ring->next_to_clean = 0; in igbvf_clean_tx_ring()
539 writel(0, adapter->hw.hw_addr + tx_ring->head); in igbvf_clean_tx_ring()
540 writel(0, adapter->hw.hw_addr + tx_ring->tail); in igbvf_clean_tx_ring()
549 void igbvf_free_tx_resources(struct igbvf_ring *tx_ring) in igbvf_free_tx_resources() argument
551 struct pci_dev *pdev = tx_ring->adapter->pdev; in igbvf_free_tx_resources()
553 igbvf_clean_tx_ring(tx_ring); in igbvf_free_tx_resources()
555 vfree(tx_ring->buffer_info); in igbvf_free_tx_resources()
556 tx_ring->buffer_info = NULL; in igbvf_free_tx_resources()
558 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, in igbvf_free_tx_resources()
559 tx_ring->dma); in igbvf_free_tx_resources()
561 tx_ring->desc = NULL; in igbvf_free_tx_resources()
735 adapter->tx_ring->itr_range = in igbvf_set_itr()
737 adapter->tx_ring->itr_val, in igbvf_set_itr()
743 adapter->tx_ring->itr_range == lowest_latency) in igbvf_set_itr()
744 adapter->tx_ring->itr_range = low_latency; in igbvf_set_itr()
746 new_itr = igbvf_range_to_itr(adapter->tx_ring->itr_range); in igbvf_set_itr()
748 if (new_itr != adapter->tx_ring->itr_val) { in igbvf_set_itr()
749 u32 current_itr = adapter->tx_ring->itr_val; in igbvf_set_itr()
757 adapter->tx_ring->itr_val = new_itr; in igbvf_set_itr()
759 adapter->tx_ring->set_itr = 1; in igbvf_set_itr()
790 static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring) in igbvf_clean_tx_irq() argument
792 struct igbvf_adapter *adapter = tx_ring->adapter; in igbvf_clean_tx_irq()
801 i = tx_ring->next_to_clean; in igbvf_clean_tx_irq()
802 buffer_info = &tx_ring->buffer_info[i]; in igbvf_clean_tx_irq()
821 tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i); in igbvf_clean_tx_irq()
841 if (i == tx_ring->count) in igbvf_clean_tx_irq()
844 buffer_info = &tx_ring->buffer_info[i]; in igbvf_clean_tx_irq()
848 } while (count < tx_ring->count); in igbvf_clean_tx_irq()
850 tx_ring->next_to_clean = i; in igbvf_clean_tx_irq()
853 igbvf_desc_unused(tx_ring) >= IGBVF_TX_QUEUE_WAKE)) { in igbvf_clean_tx_irq()
867 return count < tx_ring->count; in igbvf_clean_tx_irq()
893 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_intr_msix_tx() local
895 if (tx_ring->set_itr) { in igbvf_intr_msix_tx()
896 writel(tx_ring->itr_val, in igbvf_intr_msix_tx()
897 adapter->hw.hw_addr + tx_ring->itr_register); in igbvf_intr_msix_tx()
898 adapter->tx_ring->set_itr = 0; in igbvf_intr_msix_tx()
907 if (!igbvf_clean_tx_irq(tx_ring)) in igbvf_intr_msix_tx()
909 ew32(EICS, tx_ring->eims_value); in igbvf_intr_msix_tx()
911 ew32(EIMS, tx_ring->eims_value); in igbvf_intr_msix_tx()
981 adapter->tx_ring[tx_queue].eims_value = 1 << msix_vector; in igbvf_assign_vector()
997 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_configure_msix() local
1004 adapter->eims_enable_mask |= tx_ring->eims_value; in igbvf_configure_msix()
1005 writel(tx_ring->itr_val, hw->hw_addr + tx_ring->itr_register); in igbvf_configure_msix()
1074 sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name); in igbvf_request_msix()
1077 memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ); in igbvf_request_msix()
1082 igbvf_intr_msix_tx, 0, adapter->tx_ring->name, in igbvf_request_msix()
1087 adapter->tx_ring->itr_register = E1000_EITR(vector); in igbvf_request_msix()
1088 adapter->tx_ring->itr_val = adapter->current_itr; in igbvf_request_msix()
1120 adapter->tx_ring = kzalloc(sizeof(struct igbvf_ring), GFP_KERNEL); in igbvf_alloc_queues()
1121 if (!adapter->tx_ring) in igbvf_alloc_queues()
1126 kfree(adapter->tx_ring); in igbvf_alloc_queues()
1286 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_configure_tx() local
1297 ew32(TDLEN(0), tx_ring->count * sizeof(union e1000_adv_tx_desc)); in igbvf_configure_tx()
1298 tdba = tx_ring->dma; in igbvf_configure_tx()
1303 tx_ring->head = E1000_TDH(0); in igbvf_configure_tx()
1304 tx_ring->tail = E1000_TDT(0); in igbvf_configure_tx()
1546 igbvf_clean_tx_ring(adapter->tx_ring); in igbvf_down()
1660 err = igbvf_setup_tx_resources(adapter, adapter->tx_ring); in igbvf_open()
1699 igbvf_free_tx_resources(adapter->tx_ring); in igbvf_open()
1726 igbvf_free_tx_resources(adapter->tx_ring); in igbvf_close()
1851 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_watchdog_task() local
1881 tx_pending = (igbvf_desc_unused(tx_ring) + 1 < in igbvf_watchdog_task()
1882 tx_ring->count); in igbvf_watchdog_task()
1911 struct igbvf_ring *tx_ring, in igbvf_tso() argument
1949 i = tx_ring->next_to_use; in igbvf_tso()
1951 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tso()
1952 context_desc = IGBVF_TX_CTXTDESC_ADV(*tx_ring, i); in igbvf_tso()
1981 if (i == tx_ring->count) in igbvf_tso()
1984 tx_ring->next_to_use = i; in igbvf_tso()
1990 struct igbvf_ring *tx_ring, in igbvf_tx_csum() argument
2001 i = tx_ring->next_to_use; in igbvf_tx_csum()
2002 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_csum()
2003 context_desc = IGBVF_TX_CTXTDESC_ADV(*tx_ring, i); in igbvf_tx_csum()
2040 if (i == tx_ring->count) in igbvf_tx_csum()
2042 tx_ring->next_to_use = i; in igbvf_tx_csum()
2055 if (igbvf_desc_unused(adapter->tx_ring) >= size) in igbvf_maybe_stop_tx()
2067 if (igbvf_desc_unused(adapter->tx_ring) < size) in igbvf_maybe_stop_tx()
2080 struct igbvf_ring *tx_ring, in igbvf_tx_map_adv() argument
2089 i = tx_ring->next_to_use; in igbvf_tx_map_adv()
2091 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_map_adv()
2107 if (i == tx_ring->count) in igbvf_tx_map_adv()
2113 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_map_adv()
2124 tx_ring->buffer_info[i].skb = skb; in igbvf_tx_map_adv()
2142 i += tx_ring->count; in igbvf_tx_map_adv()
2144 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_map_adv()
2152 struct igbvf_ring *tx_ring, in igbvf_tx_queue_adv() argument
2184 i = tx_ring->next_to_use; in igbvf_tx_queue_adv()
2186 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_queue_adv()
2187 tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i); in igbvf_tx_queue_adv()
2193 if (i == tx_ring->count) in igbvf_tx_queue_adv()
2205 tx_ring->buffer_info[first].next_to_watch = tx_desc; in igbvf_tx_queue_adv()
2206 tx_ring->next_to_use = i; in igbvf_tx_queue_adv()
2207 writel(i, adapter->hw.hw_addr + tx_ring->tail); in igbvf_tx_queue_adv()
2216 struct igbvf_ring *tx_ring) in igbvf_xmit_frame_ring_adv() argument
2255 first = tx_ring->next_to_use; in igbvf_xmit_frame_ring_adv()
2258 igbvf_tso(adapter, tx_ring, skb, tx_flags, &hdr_len, protocol) : 0; in igbvf_xmit_frame_ring_adv()
2266 else if (igbvf_tx_csum(adapter, tx_ring, skb, tx_flags, protocol) && in igbvf_xmit_frame_ring_adv()
2273 count = igbvf_tx_map_adv(adapter, tx_ring, skb); in igbvf_xmit_frame_ring_adv()
2276 igbvf_tx_queue_adv(adapter, tx_ring, tx_flags, count, in igbvf_xmit_frame_ring_adv()
2282 tx_ring->buffer_info[first].time_stamp = 0; in igbvf_xmit_frame_ring_adv()
2283 tx_ring->next_to_use = first; in igbvf_xmit_frame_ring_adv()
2293 struct igbvf_ring *tx_ring; in igbvf_xmit_frame() local
2300 tx_ring = &adapter->tx_ring[0]; in igbvf_xmit_frame()
2302 return igbvf_xmit_frame_ring_adv(skb, netdev, tx_ring); in igbvf_xmit_frame()
2494 igbvf_clean_tx_irq(adapter->tx_ring); in igbvf_netpoll()
2769 adapter->tx_ring->count = 1024; in igbvf_probe()
2794 kfree(adapter->tx_ring); in igbvf_probe()
2842 kfree(adapter->tx_ring); in igbvf_remove()