Commit fb5677aa authored Apr 15, 2016 by Alexander Duyck Committed by Jeff Kirsher Jun 29, 2016

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>

parent 124579de

drivers/net/ethernet/intel/fm10k/fm10k_main.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -272,7 +272,7 @@ static bool fm10k_add_rx_frag(struct fm10k_rx_buffer *rx_buffer,
	#if (PAGE_SIZE < 8192)		#if (PAGE_SIZE < 8192)
	unsigned int truesize = FM10K_RX_BUFSZ;		unsigned int truesize = FM10K_RX_BUFSZ;
	#else		#else
	unsigned int truesize = SKB_DATA_ALIGN(size);		unsigned int truesize = ALIGN(size, 512);
	#endif		#endif
	unsigned int pull_len;		unsigned int pull_len;