diff options
| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2009-10-27 23:51:16 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-28 03:26:01 -0700 |
| commit | 42d0781a1337ec5624da0657ba57b734768f489c (patch) | |
| tree | 552f213eebd6be6d7a64896eda7ac1d184f0c9b8 /drivers/net/igb | |
| parent | cdfd01fcc674cc1c0c7b54084d74c2b684bf67c2 (diff) | |
| download | blackbird-op-linux-42d0781a1337ec5624da0657ba57b734768f489c.tar.gz blackbird-op-linux-42d0781a1337ec5624da0657ba57b734768f489c.zip | |
igb: cleanup clean_rx_irq_adv and alloc_rx_buffers_adv
This patch cleans up some whitespace issues in clean_rx_irq_adv. It also
adds NUMA aware page allocation and dma error handling to
alloc_rx_buffers_adv.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/igb')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 8f8b7ccc7db5..d3e831699b47 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -4952,6 +4952,7 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector, i++; if (i == rx_ring->count) i = 0; + next_rxd = E1000_RX_DESC_ADV(*rx_ring, i); prefetch(next_rxd); next_buffer = &rx_ring->buffer_info[i]; @@ -4989,7 +4990,6 @@ static bool igb_clean_rx_irq_adv(struct igb_q_vector *q_vector, skb->len += length; skb->data_len += length; - skb->truesize += length; } @@ -5071,7 +5071,7 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count) if ((bufsz < IGB_RXBUFFER_1024) && !buffer_info->page_dma) { if (!buffer_info->page) { - buffer_info->page = alloc_page(GFP_ATOMIC); + buffer_info->page = netdev_alloc_page(netdev); if (!buffer_info->page) { rx_ring->rx_stats.alloc_failed++; goto no_buffers; @@ -5085,9 +5085,16 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count) buffer_info->page_offset, PAGE_SIZE / 2, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(rx_ring->pdev, + buffer_info->page_dma)) { + buffer_info->page_dma = 0; + rx_ring->rx_stats.alloc_failed++; + goto no_buffers; + } } - if (!buffer_info->skb) { + skb = buffer_info->skb; + if (!skb) { skb = netdev_alloc_skb_ip_align(netdev, bufsz); if (!skb) { rx_ring->rx_stats.alloc_failed++; @@ -5095,10 +5102,18 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count) } buffer_info->skb = skb; + } + if (!buffer_info->dma) { buffer_info->dma = pci_map_single(rx_ring->pdev, skb->data, bufsz, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(rx_ring->pdev, + buffer_info->dma)) { + buffer_info->dma = 0; + rx_ring->rx_stats.alloc_failed++; + goto no_buffers; + } } /* Refresh the desc even if buffer_addrs didn't change because * each write-back erases this info. */ @@ -5107,8 +5122,7 @@ void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count) cpu_to_le64(buffer_info->page_dma); rx_desc->read.hdr_addr = cpu_to_le64(buffer_info->dma); } else { - rx_desc->read.pkt_addr = - cpu_to_le64(buffer_info->dma); + rx_desc->read.pkt_addr = cpu_to_le64(buffer_info->dma); rx_desc->read.hdr_addr = 0; } |
