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mlx4_en: clear all eth statistics when port goes up

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Bug fix: Not all stats fields were cleared.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.co.il>
Reviewed-by: Yevgeny Petriln <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eugenia Emantayev 2012-01-19 09:42:37 +00:00 committed by David S. Miller
parent 5a45f0086a
commit b477ba628a
1 changed files with 28 additions and 16 deletions
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44
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
View file

@ -807,12 +807,37 @@ static void mlx4_en_restart(struct work_struct *work)
mutex_unlock(&mdev->state_lock);
}
static void mlx4_en_clear_stats(struct net_device *dev)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int i;
if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1))
en_dbg(HW, priv, "Failed dumping statistics\n");
memset(&priv->stats, 0, sizeof(priv->stats));
memset(&priv->pstats, 0, sizeof(priv->pstats));
memset(&priv->pkstats, 0, sizeof(priv->pkstats));
memset(&priv->port_stats, 0, sizeof(priv->port_stats));
for (i = 0; i < priv->tx_ring_num; i++) {
priv->tx_ring[i].bytes = 0;
priv->tx_ring[i].packets = 0;
priv->tx_ring[i].tx_csum = 0;
}
for (i = 0; i < priv->rx_ring_num; i++) {
priv->rx_ring[i].bytes = 0;
priv->rx_ring[i].packets = 0;
priv->rx_ring[i].csum_ok = 0;
priv->rx_ring[i].csum_none = 0;
}
}
static int mlx4_en_open(struct net_device *dev)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int i;
int err = 0;
mutex_lock(&mdev->state_lock);
@ -823,21 +848,8 @@ static int mlx4_en_open(struct net_device *dev)
goto out;
}
/* Reset HW statistics and performance counters */
if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1))
en_dbg(HW, priv, "Failed dumping statistics\n");
memset(&priv->stats, 0, sizeof(priv->stats));
memset(&priv->pstats, 0, sizeof(priv->pstats));
for (i = 0; i < priv->tx_ring_num; i++) {
priv->tx_ring[i].bytes = 0;
priv->tx_ring[i].packets = 0;
}
for (i = 0; i < priv->rx_ring_num; i++) {
priv->rx_ring[i].bytes = 0;
priv->rx_ring[i].packets = 0;
}
/* Reset HW statistics and SW counters */
mlx4_en_clear_stats(dev);
err = mlx4_en_start_port(dev);
if (err)