mlx4_en: Adjusting moderation per each ring

mlx4_en: Adjusting moderation per each ring

commit 6b4d8d9fd1acb9ff230810793b363dbdb267b892
Author: Alexander Guller <alexg@mellanox.com>
Date:   Sun Oct 9 05:38:23 2011 +0000

    mlx4_en: Adjusting moderation per each ring

    Moderation is now done per ring and coalescing is enabled
    by set_ring_param in ethtool.

    Signed-off-by: Alexander Guller <alexg@mellanox.co.il>
    Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
    Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Joe Jin <joe.jin@oracle.com>