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authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2009-06-01 23:23:13 +0000
committerDavid S. Miller <davem@davemloft.net>2009-06-02 02:29:06 -0700
commit3db36fb2c88d68ee28d20845d5bb805ea9a7f6d8 (patch)
tree0ad3c9903e3dfd995a2ce14fa811aed1458c7ae0 /drivers/net/mlx4/en_ethtool.c
parent3c2fa83f9c2bbb3e91992a2fc443b7104a07e0bc (diff)
mlx4_en: Coalescing target is equal for all mtu's
The interrupt moderation should not depend on number of incoming bytes, but on number of incoming packets. The previous scheme caused very high interrupts rate for small messages when big MTU was configured. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mlx4/en_ethtool.c')
-rw-r--r--drivers/net/mlx4/en_ethtool.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/mlx4/en_ethtool.c b/drivers/net/mlx4/en_ethtool.c
index 91d81169e04e..091f99052c91 100644
--- a/drivers/net/mlx4/en_ethtool.c
+++ b/drivers/net/mlx4/en_ethtool.c
@@ -268,8 +268,7 @@ static int mlx4_en_set_coalesce(struct net_device *dev,
priv->rx_frames = (coal->rx_max_coalesced_frames ==
MLX4_EN_AUTO_CONF) ?
- MLX4_EN_RX_COAL_TARGET /
- priv->dev->mtu + 1 :
+ MLX4_EN_RX_COAL_TARGET :
coal->rx_max_coalesced_frames;
priv->rx_usecs = (coal->rx_coalesce_usecs ==
MLX4_EN_AUTO_CONF) ?