Lines Matching refs:tx_ring

415 			     struct igbvf_ring *tx_ring)  in igbvf_setup_tx_resources()  argument
420 size = sizeof(struct igbvf_buffer) * tx_ring->count; in igbvf_setup_tx_resources()
421 tx_ring->buffer_info = vzalloc(size); in igbvf_setup_tx_resources()
422 if (!tx_ring->buffer_info) in igbvf_setup_tx_resources()
426 tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc); in igbvf_setup_tx_resources()
427 tx_ring->size = ALIGN(tx_ring->size, 4096); in igbvf_setup_tx_resources()
429 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, in igbvf_setup_tx_resources()
430 &tx_ring->dma, GFP_KERNEL); in igbvf_setup_tx_resources()
431 if (!tx_ring->desc) in igbvf_setup_tx_resources()
434 tx_ring->adapter = adapter; in igbvf_setup_tx_resources()
435 tx_ring->next_to_use = 0; in igbvf_setup_tx_resources()
436 tx_ring->next_to_clean = 0; in igbvf_setup_tx_resources()
440 vfree(tx_ring->buffer_info); in igbvf_setup_tx_resources()
493 static void igbvf_clean_tx_ring(struct igbvf_ring *tx_ring) in igbvf_clean_tx_ring() argument
495 struct igbvf_adapter *adapter = tx_ring->adapter; in igbvf_clean_tx_ring()
500 if (!tx_ring->buffer_info) in igbvf_clean_tx_ring()
504 for (i = 0; i < tx_ring->count; i++) { in igbvf_clean_tx_ring()
505 buffer_info = &tx_ring->buffer_info[i]; in igbvf_clean_tx_ring()
509 size = sizeof(struct igbvf_buffer) * tx_ring->count; in igbvf_clean_tx_ring()
510 memset(tx_ring->buffer_info, 0, size); in igbvf_clean_tx_ring()
513 memset(tx_ring->desc, 0, tx_ring->size); in igbvf_clean_tx_ring()
515 tx_ring->next_to_use = 0; in igbvf_clean_tx_ring()
516 tx_ring->next_to_clean = 0; in igbvf_clean_tx_ring()
518 writel(0, adapter->hw.hw_addr + tx_ring->head); in igbvf_clean_tx_ring()
519 writel(0, adapter->hw.hw_addr + tx_ring->tail); in igbvf_clean_tx_ring()
528 void igbvf_free_tx_resources(struct igbvf_ring *tx_ring) in igbvf_free_tx_resources() argument
530 struct pci_dev *pdev = tx_ring->adapter->pdev; in igbvf_free_tx_resources()
532 igbvf_clean_tx_ring(tx_ring); in igbvf_free_tx_resources()
534 vfree(tx_ring->buffer_info); in igbvf_free_tx_resources()
535 tx_ring->buffer_info = NULL; in igbvf_free_tx_resources()
537 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, in igbvf_free_tx_resources()
538 tx_ring->dma); in igbvf_free_tx_resources()
540 tx_ring->desc = NULL; in igbvf_free_tx_resources()
714 adapter->tx_ring->itr_range = in igbvf_set_itr()
716 adapter->tx_ring->itr_val, in igbvf_set_itr()
722 adapter->tx_ring->itr_range == lowest_latency) in igbvf_set_itr()
723 adapter->tx_ring->itr_range = low_latency; in igbvf_set_itr()
725 new_itr = igbvf_range_to_itr(adapter->tx_ring->itr_range); in igbvf_set_itr()
727 if (new_itr != adapter->tx_ring->itr_val) { in igbvf_set_itr()
728 u32 current_itr = adapter->tx_ring->itr_val; in igbvf_set_itr()
736 adapter->tx_ring->itr_val = new_itr; in igbvf_set_itr()
738 adapter->tx_ring->set_itr = 1; in igbvf_set_itr()
769 static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring) in igbvf_clean_tx_irq() argument
771 struct igbvf_adapter *adapter = tx_ring->adapter; in igbvf_clean_tx_irq()
780 i = tx_ring->next_to_clean; in igbvf_clean_tx_irq()
781 buffer_info = &tx_ring->buffer_info[i]; in igbvf_clean_tx_irq()
800 tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i); in igbvf_clean_tx_irq()
820 if (i == tx_ring->count) in igbvf_clean_tx_irq()
823 buffer_info = &tx_ring->buffer_info[i]; in igbvf_clean_tx_irq()
827 } while (count < tx_ring->count); in igbvf_clean_tx_irq()
829 tx_ring->next_to_clean = i; in igbvf_clean_tx_irq()
832 igbvf_desc_unused(tx_ring) >= IGBVF_TX_QUEUE_WAKE)) { in igbvf_clean_tx_irq()
846 return count < tx_ring->count; in igbvf_clean_tx_irq()
871 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_intr_msix_tx() local
873 if (tx_ring->set_itr) { in igbvf_intr_msix_tx()
874 writel(tx_ring->itr_val, in igbvf_intr_msix_tx()
875 adapter->hw.hw_addr + tx_ring->itr_register); in igbvf_intr_msix_tx()
876 adapter->tx_ring->set_itr = 0; in igbvf_intr_msix_tx()
885 if (!igbvf_clean_tx_irq(tx_ring)) in igbvf_intr_msix_tx()
887 ew32(EICS, tx_ring->eims_value); in igbvf_intr_msix_tx()
889 ew32(EIMS, tx_ring->eims_value); in igbvf_intr_msix_tx()
959 adapter->tx_ring[tx_queue].eims_value = BIT(msix_vector); in igbvf_assign_vector()
975 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_configure_msix() local
982 adapter->eims_enable_mask |= tx_ring->eims_value; in igbvf_configure_msix()
983 writel(tx_ring->itr_val, hw->hw_addr + tx_ring->itr_register); in igbvf_configure_msix()
1052 sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name); in igbvf_request_msix()
1055 memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ); in igbvf_request_msix()
1060 igbvf_intr_msix_tx, 0, adapter->tx_ring->name, in igbvf_request_msix()
1065 adapter->tx_ring->itr_register = E1000_EITR(vector); in igbvf_request_msix()
1066 adapter->tx_ring->itr_val = adapter->current_itr; in igbvf_request_msix()
1098 adapter->tx_ring = kzalloc(sizeof(struct igbvf_ring), GFP_KERNEL); in igbvf_alloc_queues()
1099 if (!adapter->tx_ring) in igbvf_alloc_queues()
1104 kfree(adapter->tx_ring); in igbvf_alloc_queues()
1284 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_configure_tx() local
1295 ew32(TDLEN(0), tx_ring->count * sizeof(union e1000_adv_tx_desc)); in igbvf_configure_tx()
1296 tdba = tx_ring->dma; in igbvf_configure_tx()
1301 tx_ring->head = E1000_TDH(0); in igbvf_configure_tx()
1302 tx_ring->tail = E1000_TDT(0); in igbvf_configure_tx()
1598 igbvf_clean_tx_ring(adapter->tx_ring); in igbvf_down()
1713 err = igbvf_setup_tx_resources(adapter, adapter->tx_ring); in igbvf_open()
1752 igbvf_free_tx_resources(adapter->tx_ring); in igbvf_open()
1779 igbvf_free_tx_resources(adapter->tx_ring); in igbvf_close()
1913 struct igbvf_ring *tx_ring = adapter->tx_ring; in igbvf_watchdog_task() local
1943 tx_pending = (igbvf_desc_unused(tx_ring) + 1 < in igbvf_watchdog_task()
1944 tx_ring->count); in igbvf_watchdog_task()
1972 static void igbvf_tx_ctxtdesc(struct igbvf_ring *tx_ring, u32 vlan_macip_lens, in igbvf_tx_ctxtdesc() argument
1977 u16 i = tx_ring->next_to_use; in igbvf_tx_ctxtdesc()
1979 context_desc = IGBVF_TX_CTXTDESC_ADV(*tx_ring, i); in igbvf_tx_ctxtdesc()
1980 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_ctxtdesc()
1983 tx_ring->next_to_use = (i < tx_ring->count) ? i : 0; in igbvf_tx_ctxtdesc()
1997 static int igbvf_tso(struct igbvf_ring *tx_ring, in igbvf_tso() argument
2066 igbvf_tx_ctxtdesc(tx_ring, vlan_macip_lens, type_tucmd, mss_l4len_idx); in igbvf_tso()
2080 static bool igbvf_tx_csum(struct igbvf_ring *tx_ring, struct sk_buff *skb, in igbvf_tx_csum() argument
2120 igbvf_tx_ctxtdesc(tx_ring, vlan_macip_lens, type_tucmd, 0); in igbvf_tx_csum()
2129 if (igbvf_desc_unused(adapter->tx_ring) >= size) in igbvf_maybe_stop_tx()
2141 if (igbvf_desc_unused(adapter->tx_ring) < size) in igbvf_maybe_stop_tx()
2154 struct igbvf_ring *tx_ring, in igbvf_tx_map_adv() argument
2163 i = tx_ring->next_to_use; in igbvf_tx_map_adv()
2165 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_map_adv()
2181 if (i == tx_ring->count) in igbvf_tx_map_adv()
2187 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_map_adv()
2198 tx_ring->buffer_info[i].skb = skb; in igbvf_tx_map_adv()
2216 i += tx_ring->count; in igbvf_tx_map_adv()
2218 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_map_adv()
2226 struct igbvf_ring *tx_ring, in igbvf_tx_queue_adv() argument
2258 i = tx_ring->next_to_use; in igbvf_tx_queue_adv()
2260 buffer_info = &tx_ring->buffer_info[i]; in igbvf_tx_queue_adv()
2261 tx_desc = IGBVF_TX_DESC_ADV(*tx_ring, i); in igbvf_tx_queue_adv()
2267 if (i == tx_ring->count) in igbvf_tx_queue_adv()
2279 tx_ring->buffer_info[first].next_to_watch = tx_desc; in igbvf_tx_queue_adv()
2280 tx_ring->next_to_use = i; in igbvf_tx_queue_adv()
2281 writel(i, adapter->hw.hw_addr + tx_ring->tail); in igbvf_tx_queue_adv()
2286 struct igbvf_ring *tx_ring) in igbvf_xmit_frame_ring_adv() argument
2325 first = tx_ring->next_to_use; in igbvf_xmit_frame_ring_adv()
2327 tso = igbvf_tso(tx_ring, skb, tx_flags, &hdr_len); in igbvf_xmit_frame_ring_adv()
2335 else if (igbvf_tx_csum(tx_ring, skb, tx_flags, protocol) && in igbvf_xmit_frame_ring_adv()
2342 count = igbvf_tx_map_adv(adapter, tx_ring, skb); in igbvf_xmit_frame_ring_adv()
2345 igbvf_tx_queue_adv(adapter, tx_ring, tx_flags, count, in igbvf_xmit_frame_ring_adv()
2351 tx_ring->buffer_info[first].time_stamp = 0; in igbvf_xmit_frame_ring_adv()
2352 tx_ring->next_to_use = first; in igbvf_xmit_frame_ring_adv()
2362 struct igbvf_ring *tx_ring; in igbvf_xmit_frame() local
2369 tx_ring = &adapter->tx_ring[0]; in igbvf_xmit_frame()
2371 return igbvf_xmit_frame_ring_adv(skb, netdev, tx_ring); in igbvf_xmit_frame()
2538 igbvf_clean_tx_irq(adapter->tx_ring); in igbvf_netpoll()
2865 adapter->tx_ring->count = 1024; in igbvf_probe()
2890 kfree(adapter->tx_ring); in igbvf_probe()
2938 kfree(adapter->tx_ring); in igbvf_remove()