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| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2017-02-06 18:25:26 -0800 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2017-03-17 12:11:43 -0700 |
| commit | 7bd175928280c3e5d741cb9948cffaa61b7cc7c6 (patch) | |
| tree | 2b698687a870115e62e1cf74a553ecb51e397e08 /drivers/net/ethernet/intel/igb/igb_main.c | |
| parent | liquidio: fix wrong information about link modes reported to ethtool (diff) | |
| download | linux-dev-7bd175928280c3e5d741cb9948cffaa61b7cc7c6.tar.xz linux-dev-7bd175928280c3e5d741cb9948cffaa61b7cc7c6.zip | |
igb: Add support for DMA_ATTR_WEAK_ORDERING
Since we are already using DMA attributes in igb for Rx there is no reason
why we can't also apply DMA_ATTR_WEAK_ORDERING which is needed on some
platforms to improve performance.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index be456bae8169..cf7ee9cdac6f 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3963,7 +3963,7 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring) buffer_info->dma, PAGE_SIZE, DMA_FROM_DEVICE, - DMA_ATTR_SKIP_CPU_SYNC); + IGB_RX_DMA_ATTR); __page_frag_cache_drain(buffer_info->page, buffer_info->pagecnt_bias); @@ -6990,7 +6990,7 @@ static struct sk_buff *igb_fetch_rx_buffer(struct igb_ring *rx_ring, */ dma_unmap_page_attrs(rx_ring->dev, rx_buffer->dma, PAGE_SIZE, DMA_FROM_DEVICE, - DMA_ATTR_SKIP_CPU_SYNC); + IGB_RX_DMA_ATTR); __page_frag_cache_drain(page, rx_buffer->pagecnt_bias); } @@ -7250,7 +7250,7 @@ static bool igb_alloc_mapped_page(struct igb_ring *rx_ring, /* map page for use */ dma = dma_map_page_attrs(rx_ring->dev, page, 0, PAGE_SIZE, - DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC); + DMA_FROM_DEVICE, IGB_RX_DMA_ATTR); /* if mapping failed free memory back to system since * there isn't much point in holding memory we can't use |