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fm10k: Align Rx buffers to 512B blocks

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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>
This commit is contained in:
Alexander Duyck 2016-04-15 13:00:46 -04:00 committed by Jeff Kirsher
parent 124579de46
commit fb5677aa26
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/intel/fm10k/fm10k_main.c
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@ -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;