igb: Lock buffer size at 2K even on systems with larger pages

This change locks us in at 2K buffers even on a system that supports larger
frames.  The reason for this change is to make better use of pages and to
reduce the overall truesize of frames generated by igb.

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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 96c6df65726f..375c0dad8d29 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -1727,7 +1727,7 @@ static int igb_clean_test_rings(struct igb_ring *rx_ring,
                 /* sync Rx buffer for CPU read */
                 dma_sync_single_for_cpu(rx_ring->dev,
                                         rx_buffer_info->dma,
-                                        PAGE_SIZE / 2,
+                                        IGB_RX_BUFSZ,
                                         DMA_FROM_DEVICE);
 
                 /* verify contents of skb */
@@ -1737,7 +1737,7 @@ static int igb_clean_test_rings(struct igb_ring *rx_ring,
                 /* sync Rx buffer for device write */
                 dma_sync_single_for_device(rx_ring->dev,
                                            rx_buffer_info->dma,
-                                           PAGE_SIZE / 2,
+                                           IGB_RX_BUFSZ,
                                            DMA_FROM_DEVICE);
 
                 /* unmap buffer on tx side */