fm10k: Align Rx buffers to 512B blocks

While reviewing the i40e driver changes to support page based receive I
realized that I had overlooked the fact that the fm10k hardware required a
512 byte alignment for Rx buffers.  This patch is meant to address that by
changing the alignment for Rx buffers to 512 bytes instead of allowing it
to be L1 cache aligned.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
index 0e166e9c90c8657a90ca8aed40615ad090ae1d8d..53d02416476c7fe905722bd2af588d10091cf7bb 100644 (file)
--- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
@@ -272,7 +272,7 @@ static bool fm10k_add_rx_frag(struct fm10k_rx_buffer *rx_buffer,
 #if (PAGE_SIZE < 8192)
        unsigned int truesize = FM10K_RX_BUFSZ;
 #else
-       unsigned int truesize = SKB_DATA_ALIGN(size);
+       unsigned int truesize = ALIGN(size, 512);
 #endif
        unsigned int pull_len;