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net/mlx4_en: Fix adaptive moderation cq update

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When turning on adaptive_rx under adaptive moderation, the CQ's moderation
count wasn't updated according to rx_frames which resulted in too many
interrupts and bandwidth drop.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sagi Grimberg 2013-06-04 05:13:26 +00:00 committed by David S. Miller
parent 01cb71d2d4
commit a1c6693a50
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
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@ -1323,6 +1323,7 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
priv->last_moder_time[ring] = moder_time;
cq = &priv->rx_cq[ring];
cq->moder_time = moder_time;
cq->moder_cnt = priv->rx_frames;
err = mlx4_en_set_cq_moder(priv, cq);
if (err)
en_err(priv, "Failed modifying moderation for cq:%d\n",