mlx4: do not access rx_desc from mlx4_en_process_rx_cq()

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Instead of fetching dma address from rx_desc->data[0].addr,
prefer using frags[0].dma + frags[0].page_offset to avoid
a potential cache line miss.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2017-03-08 08:17:15 -08:00 • committed by David S. Miller

parent 7d7bfc6a3f

commit 9e8c0395a7

1 changed files with 3 additions and 6 deletions

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drivers/net/ethernet/mellanox/mlx4/en_rx.c

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