diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2020-09-14 17:11:59 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-15 13:26:29 -0700 |
| commit | 12d342fea121f04e4ccb6febf41f59ebb74bbe64 (patch) | |
| tree | 9220d39fb374a93f1d84cfbdf1383c995584175d /drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | |
| parent | 098d9ed9efb3e6edfbe6f1b3cdfd5b2ad3228bf2 (diff) | |
mlx4: add pause frame stats
Check if the pause stats are reported by HW by checking the bitmap.
Calculation is based on the order of strings in main_strings from
ethtool -S. Hopefully the semantics of these stats match the standard..
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index b816154bc79a..23849f2b9c25 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -1106,6 +1106,24 @@ static int mlx4_en_set_pauseparam(struct net_device *dev, return err; } +static void mlx4_en_get_pause_stats(struct net_device *dev, + struct ethtool_pause_stats *stats) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct bitmap_iterator it; + + bitmap_iterator_init(&it, priv->stats_bitmap.bitmap, NUM_ALL_STATS); + + spin_lock_bh(&priv->stats_lock); + if (test_bit(FLOW_PRIORITY_STATS_IDX_TX_FRAMES, + priv->stats_bitmap.bitmap)) + stats->tx_pause_frames = priv->tx_flowstats.tx_pause; + if (test_bit(FLOW_PRIORITY_STATS_IDX_RX_FRAMES, + priv->stats_bitmap.bitmap)) + stats->rx_pause_frames = priv->rx_flowstats.rx_pause; + spin_unlock_bh(&priv->stats_lock); +} + static void mlx4_en_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *pause) { @@ -2138,6 +2156,7 @@ const struct ethtool_ops mlx4_en_ethtool_ops = { .set_msglevel = mlx4_en_set_msglevel, .get_coalesce = mlx4_en_get_coalesce, .set_coalesce = mlx4_en_set_coalesce, + .get_pause_stats = mlx4_en_get_pause_stats, .get_pauseparam = mlx4_en_get_pauseparam, .set_pauseparam = mlx4_en_set_pauseparam, .get_ringparam = mlx4_en_get_ringparam, |