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igb: cleanup clean_rx_irq_adv and alloc_rx_buffers_adv

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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>
This commit is contained in:
Alexander Duyck 2009-10-27 23:51:16 +00:00 committed by David S. Miller
parent cdfd01fcc6
commit 42d0781a13
1 changed files with 19 additions and 5 deletions
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24
drivers/net/igb/igb_main.c
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@ -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;
}