diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 98a775be266a..401be1f19119 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -88,8 +88,6 @@ * sessions are active and log a message * 6.2.2 7/21/05 * o used fixed size descriptors for all MTU sizes, reduces memory load - * 6.2.1 7/21/05 - * o Performance tweaks, including copybreak and prefetch * 6.1.2 4/13/05 * o Fixed ethtool diagnostics * o Enabled flow control to take default eeprom settings @@ -3615,8 +3613,8 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, { struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; - struct e1000_rx_desc *rx_desc; - struct e1000_buffer *buffer_info; + struct e1000_rx_desc *rx_desc, *next_rxd; + struct e1000_buffer *buffer_info, *next_buffer; unsigned long flags; uint32_t length; uint8_t last_byte; @@ -3629,7 +3627,7 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, buffer_info = &rx_ring->buffer_info[i]; while (rx_desc->status & E1000_RXD_STAT_DD) { - struct sk_buff *skb; + struct sk_buff *skb, *next_skb; u8 status; #ifdef CONFIG_E1000_NAPI if (*work_done >= work_to_do) @@ -3638,6 +3636,13 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, #endif status = rx_desc->status; skb = buffer_info->skb; + buffer_info->skb = NULL; + + if (++i == rx_ring->count) i = 0; + next_rxd = E1000_RX_DESC(*rx_ring, i); + next_buffer = &rx_ring->buffer_info[i]; + next_skb = next_buffer->skb; + cleaned = TRUE; cleaned_count++; pci_unmap_single(pdev, @@ -3769,6 +3774,8 @@ next_desc: cleaned_count = 0; } + rx_desc = next_rxd; + buffer_info = next_buffer; } rx_ring->next_to_clean = i; @@ -3794,13 +3801,13 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, struct e1000_rx_ring *rx_ring) #endif { - union e1000_rx_desc_packet_split *rx_desc; + union e1000_rx_desc_packet_split *rx_desc, *next_rxd; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; - struct e1000_buffer *buffer_info; + struct e1000_buffer *buffer_info, *next_buffer; struct e1000_ps_page *ps_page; struct e1000_ps_page_dma *ps_page_dma; - struct sk_buff *skb; + struct sk_buff *skb, *next_skb; unsigned int i, j; uint32_t length, staterr; int cleaned_count = 0; @@ -3809,9 +3816,9 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, i = rx_ring->next_to_clean; rx_desc = E1000_RX_DESC_PS(*rx_ring, i); staterr = le32_to_cpu(rx_desc->wb.middle.status_error); + buffer_info = &rx_ring->buffer_info[i]; while (staterr & E1000_RXD_STAT_DD) { - buffer_info = &rx_ring->buffer_info[i]; ps_page = &rx_ring->ps_page[i]; ps_page_dma = &rx_ring->ps_page_dma[i]; #ifdef CONFIG_E1000_NAPI @@ -3819,14 +3826,19 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, break; (*work_done)++; #endif + skb = buffer_info->skb; + + if (++i == rx_ring->count) i = 0; + next_rxd = E1000_RX_DESC_PS(*rx_ring, i); + next_buffer = &rx_ring->buffer_info[i]; + next_skb = next_buffer->skb; + cleaned = TRUE; cleaned_count++; pci_unmap_single(pdev, buffer_info->dma, buffer_info->length, PCI_DMA_FROMDEVICE); - skb = buffer_info->skb; - if (unlikely(!(staterr & E1000_RXD_STAT_EOP))) { E1000_DBG("%s: Packet Split buffers didn't pick up" " the full packet\n", netdev->name); @@ -3908,6 +3920,9 @@ next_desc: cleaned_count = 0; } + rx_desc = next_rxd; + buffer_info = next_buffer; + staterr = le32_to_cpu(rx_desc->wb.middle.status_error); } rx_ring->next_to_clean = i; |