Commit 12d342fe authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller

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: default avatarJakub Kicinski <kuba@kernel.org>
Reviewed-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 098d9ed9
...@@ -1106,6 +1106,24 @@ static int mlx4_en_set_pauseparam(struct net_device *dev, ...@@ -1106,6 +1106,24 @@ static int mlx4_en_set_pauseparam(struct net_device *dev,
return err; 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, static void mlx4_en_get_pauseparam(struct net_device *dev,
struct ethtool_pauseparam *pause) struct ethtool_pauseparam *pause)
{ {
...@@ -2138,6 +2156,7 @@ const struct ethtool_ops mlx4_en_ethtool_ops = { ...@@ -2138,6 +2156,7 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
.set_msglevel = mlx4_en_set_msglevel, .set_msglevel = mlx4_en_set_msglevel,
.get_coalesce = mlx4_en_get_coalesce, .get_coalesce = mlx4_en_get_coalesce,
.set_coalesce = mlx4_en_set_coalesce, .set_coalesce = mlx4_en_set_coalesce,
.get_pause_stats = mlx4_en_get_pause_stats,
.get_pauseparam = mlx4_en_get_pauseparam, .get_pauseparam = mlx4_en_get_pauseparam,
.set_pauseparam = mlx4_en_set_pauseparam, .set_pauseparam = mlx4_en_set_pauseparam,
.get_ringparam = mlx4_en_get_ringparam, .get_ringparam = mlx4_en_get_ringparam,
......
...@@ -84,6 +84,11 @@ struct mlx4_en_flow_stats_rx { ...@@ -84,6 +84,11 @@ struct mlx4_en_flow_stats_rx {
MLX4_NUM_PRIORITIES) MLX4_NUM_PRIORITIES)
}; };
#define FLOW_PRIORITY_STATS_IDX_RX_FRAMES (NUM_MAIN_STATS + \
NUM_PORT_STATS + \
NUM_PF_STATS + \
NUM_FLOW_PRIORITY_STATS_RX)
struct mlx4_en_flow_stats_tx { struct mlx4_en_flow_stats_tx {
u64 tx_pause; u64 tx_pause;
u64 tx_pause_duration; u64 tx_pause_duration;
...@@ -93,6 +98,13 @@ struct mlx4_en_flow_stats_tx { ...@@ -93,6 +98,13 @@ struct mlx4_en_flow_stats_tx {
MLX4_NUM_PRIORITIES) MLX4_NUM_PRIORITIES)
}; };
#define FLOW_PRIORITY_STATS_IDX_TX_FRAMES (NUM_MAIN_STATS + \
NUM_PORT_STATS + \
NUM_PF_STATS + \
NUM_FLOW_PRIORITY_STATS_RX + \
NUM_FLOW_STATS_RX + \
NUM_FLOW_PRIORITY_STATS_TX)
#define NUM_FLOW_STATS (NUM_FLOW_STATS_RX + NUM_FLOW_STATS_TX + \ #define NUM_FLOW_STATS (NUM_FLOW_STATS_RX + NUM_FLOW_STATS_TX + \
NUM_FLOW_PRIORITY_STATS_TX + \ NUM_FLOW_PRIORITY_STATS_TX + \
NUM_FLOW_PRIORITY_STATS_RX) NUM_FLOW_PRIORITY_STATS_RX)
......
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