Plumb through all the indirection and copy some code from
ethtool -S. The names of the group indicate that these are
the stats we are after.
Signed-off-by: Jakub Kicinski <k...@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en.h | 2 ++
.../ethernet/mellanox/mlx5/core/en_ethtool.c | 15 ++++++++++
.../net/ethernet/mellanox/mlx5/core/en_rep.c | 9 ++++++
.../ethernet/mellanox/mlx5/core/en_stats.c | 30 +++++++++++++++++++
.../ethernet/mellanox/mlx5/core/en_stats.h | 3 ++
5 files changed, 59 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h
b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 4f33658da25a..615ac0dc248e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -1053,6 +1053,8 @@ int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
struct ethtool_ts_info *info);
int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
struct ethtool_flash *flash);
+void mlx5e_ethtool_get_pause_stats(struct mlx5e_priv *priv,
+ struct ethtool_pause_stats *pause_stats);
void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
struct ethtool_pauseparam *pauseparam);
int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 5cb1e4839eb7..c9fb3c018b96 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1341,6 +1341,20 @@ static int mlx5e_set_tunable(struct net_device *dev,
return err;
}
+void mlx5e_ethtool_get_pause_stats(struct mlx5e_priv *priv,
+ struct ethtool_pause_stats *pause_stats)
+{
+ mlx5e_stats_pause_get(priv, pause_stats);
+}
+
+static void mlx5e_get_pause_stats(struct net_device *netdev,
+ struct ethtool_pause_stats *pause_stats)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+
+ mlx5e_ethtool_get_pause_stats(priv, pause_stats);
+}
+
void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
struct ethtool_pauseparam *pauseparam)
{
@@ -2033,6 +2047,7 @@ const struct ethtool_ops mlx5e_ethtool_ops = {
.set_rxnfc = mlx5e_set_rxnfc,
.get_tunable = mlx5e_get_tunable,
.set_tunable = mlx5e_set_tunable,
+ .get_pause_stats = mlx5e_get_pause_stats,
.get_pauseparam = mlx5e_get_pauseparam,
.set_pauseparam = mlx5e_set_pauseparam,
.get_ts_info = mlx5e_get_ts_info,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 135ee26881c9..856ae4c8cb25 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -288,6 +288,14 @@ static u32 mlx5e_rep_get_rxfh_indir_size(struct net_device
*netdev)
return mlx5e_ethtool_get_rxfh_indir_size(priv);
}
+static void mlx5e_uplink_rep_get_pause_stats(struct net_device *netdev,
+ struct ethtool_pause_stats *stats)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+
+ mlx5e_ethtool_get_pause_stats(priv, stats);
+}
+
static void mlx5e_uplink_rep_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam
*pauseparam)
{
@@ -362,6 +370,7 @@ static const struct ethtool_ops
mlx5e_uplink_rep_ethtool_ops = {
.set_rxfh = mlx5e_set_rxfh,
.get_rxnfc = mlx5e_get_rxnfc,
.set_rxnfc = mlx5e_set_rxnfc,
+ .get_pause_stats = mlx5e_uplink_rep_get_pause_stats,
.get_pauseparam = mlx5e_uplink_rep_get_pauseparam,
.set_pauseparam = mlx5e_uplink_rep_set_pauseparam,
};
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
index e3b2f59408e6..97b03aa7535f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
@@ -677,6 +677,36 @@ static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(802_3)
mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
}
+#define MLX5E_READ_CTR64_BE_F(ptr, c) \
+ be64_to_cpu(*(__be64 *)((char *)ptr + \
+ MLX5_BYTE_OFF(ppcnt_reg, \
+ counter_set.eth_802_3_cntrs_grp_data_layout.c##_high)))
+
+void mlx5e_stats_pause_get(struct mlx5e_priv *priv,
+ struct ethtool_pause_stats *pause_stats)
+{
+ struct mlx5e_pport_stats *pstats = &priv->stats.pport;
+ struct mlx5_core_dev *mdev = priv->mdev;
+ u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {0};
+ int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
+ void *out;
+
+ if (!MLX5_BASIC_PPCNT_SUPPORTED(mdev))
+ return;
+
+ MLX5_SET(ppcnt_reg, in, local_port, 1);
+ out = pstats->IEEE_802_3_counters;
+ MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP);
+ mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0);
+
+ pause_stats->tx_pause_frames =
+ MLX5E_READ_CTR64_BE_F(&priv->stats.pport.IEEE_802_3_counters,
+ a_pause_mac_ctrl_frames_transmitted);
+ pause_stats->rx_pause_frames =
+ MLX5E_READ_CTR64_BE_F(&priv->stats.pport.IEEE_802_3_counters,
+ a_pause_mac_ctrl_frames_received);
+}
+
#define PPORT_2863_OFF(c) \
MLX5_BYTE_OFF(ppcnt_reg, \
counter_set.eth_2863_cntrs_grp_data_layout.c##_high)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
index 2e1cca1923b9..9d9ee269a041 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
@@ -104,6 +104,9 @@ void mlx5e_stats_update(struct mlx5e_priv *priv);
void mlx5e_stats_fill(struct mlx5e_priv *priv, u64 *data, int idx);
void mlx5e_stats_fill_strings(struct mlx5e_priv *priv, u8 *data);
+void mlx5e_stats_pause_get(struct mlx5e_priv *priv,
+ struct ethtool_pause_stats *pause_stats);
+
/* Concrete NIC Stats */
struct mlx5e_sw_stats {
--
2.26.2
