net/mlx5_core: Support physical port counters
Added physical port counters in the following standard formats to
ethtool statistics:
- IEEE 802.3
- RFC2863
- RFC2819
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index b8023a7..111427b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -82,6 +82,47 @@
mutex_unlock(&priv->state_lock);
}
+static void mlx5e_update_pport_counters(struct mlx5e_priv *priv)
+{
+ struct mlx5_core_dev *mdev = priv->mdev;
+ struct mlx5e_pport_stats *s = &priv->stats.pport;
+ u32 *in;
+ u32 *out;
+ int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
+
+ in = mlx5_vzalloc(sz);
+ out = mlx5_vzalloc(sz);
+ if (!in || !out)
+ goto free_out;
+
+ MLX5_SET(ppcnt_reg, in, local_port, 1);
+
+ 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);
+ memcpy(s->IEEE_802_3_counters,
+ MLX5_ADDR_OF(ppcnt_reg, out, counter_set),
+ sizeof(s->IEEE_802_3_counters));
+
+ MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP);
+ mlx5_core_access_reg(mdev, in, sz, out,
+ sz, MLX5_REG_PPCNT, 0, 0);
+ memcpy(s->RFC_2863_counters,
+ MLX5_ADDR_OF(ppcnt_reg, out, counter_set),
+ sizeof(s->RFC_2863_counters));
+
+ MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_COUNTERS_GROUP);
+ mlx5_core_access_reg(mdev, in, sz, out,
+ sz, MLX5_REG_PPCNT, 0, 0);
+ memcpy(s->RFC_2819_counters,
+ MLX5_ADDR_OF(ppcnt_reg, out, counter_set),
+ sizeof(s->RFC_2819_counters));
+
+free_out:
+ kvfree(in);
+ kvfree(out);
+}
+
void mlx5e_update_stats(struct mlx5e_priv *priv)
{
struct mlx5_core_dev *mdev = priv->mdev;
@@ -202,6 +243,7 @@
s->tx_csum_offload = s->tx_packets - tx_offload_none;
s->rx_csum_good = s->rx_packets - s->rx_csum_none;
+ mlx5e_update_pport_counters(priv);
free_out:
kvfree(out);
}