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>
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index be456ba..cf7ee9c 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