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net/mlx4_en: get rid of private net_device_stats 

We simply can use the standard net_device stats.

We do not need to clear fields that are already 0.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Cc: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2016-05-25 09:50:39 -07:00 committed by David S. Miller
parent 9ed17db17f
commit f73a6f439f
4 changed files with 5 additions and 15 deletions
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2
drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
View File

@ -362,7 +362,7 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
for (i = 0; i < NUM_MAIN_STATS; i++, bitmap_iterator_inc(&it))
if (bitmap_iterator_test(&it))
data[index++] = ((unsigned long *)&priv->stats)[i];
data[index++] = ((unsigned long *)&dev->stats)[i];
for (i = 0; i < NUM_PORT_STATS; i++, bitmap_iterator_inc(&it))
if (bitmap_iterator_test(&it))

3
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
View File

@ -1302,7 +1302,7 @@ mlx4_en_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
struct mlx4_en_priv *priv = netdev_priv(dev);
spin_lock_bh(&priv->stats_lock);
netdev_stats_to_stats64(stats, &priv->stats);
netdev_stats_to_stats64(stats, &dev->stats);
spin_unlock_bh(&priv->stats_lock);
return stats;
@ -1877,7 +1877,6 @@ static void mlx4_en_clear_stats(struct net_device *dev)
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));

14
drivers/net/ethernet/mellanox/mlx4/en_port.c
View File

@ -152,8 +152,9 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
struct mlx4_counter tmp_counter_stats;
struct mlx4_en_stat_out_mbox *mlx4_en_stats;
struct mlx4_en_stat_out_flow_control_mbox *flowstats;
struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
struct net_device_stats *stats = &priv->stats;
struct net_device *dev = mdev->pndev[port];
struct mlx4_en_priv *priv = netdev_priv(dev);
struct net_device_stats *stats = &dev->stats;
struct mlx4_cmd_mailbox *mailbox;
u64 in_mod = reset << 8 | port;
int err;
@ -239,20 +240,11 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
stats->multicast = en_stats_adder(&mlx4_en_stats->MCAST_prio_0,
&mlx4_en_stats->MCAST_prio_1,
NUM_PRIORITIES);
stats->collisions = 0;
stats->rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP) +
sw_rx_dropped;
stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
stats->rx_over_errors = 0;
stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
stats->rx_frame_errors = 0;
stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
stats->rx_missed_errors = 0;
stats->tx_aborted_errors = 0;
stats->tx_carrier_errors = 0;
stats->tx_fifo_errors = 0;
stats->tx_heartbeat_errors = 0;
stats->tx_window_errors = 0;
stats->tx_dropped += be32_to_cpu(mlx4_en_stats->TDROP);
/* RX stats */

1
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
View File

@ -483,7 +483,6 @@ struct mlx4_en_priv {
struct mlx4_en_port_profile *prof;
struct net_device *dev;
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
struct net_device_stats stats;
struct mlx4_en_port_state port_state;
spinlock_t stats_lock;
struct ethtool_flow_id ethtool_rules[MAX_NUM_OF_FS_RULES];