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net/mlx5e: Don't query FEC statistics when FEC is disabled

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Update mlx5e_stats_fec_get() to check the active FEC mode and skip
statistics collection when FEC is disabled.

Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Yael Chemla <ychemla@nvidia.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Link: https://patch.msgid.link/20250924124037.1508846-3-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Carolina Jubran
2025-09-24 12:40:34 +00:00
committed by Jakub Kicinski
parent cc2f081299
commit 6b81b8a0b1
1 changed files with 6 additions and 6 deletions
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12
drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
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@@ -1446,16 +1446,13 @@ static void fec_set_rs_stats(struct ethtool_fec_stats *fec_stats, u32 *ppcnt)
}
static void fec_set_block_stats(struct mlx5e_priv *priv,
int mode,
struct ethtool_fec_stats *fec_stats)
{
struct mlx5_core_dev *mdev = priv->mdev;
u32 out[MLX5_ST_SZ_DW(ppcnt_reg)] = {};
u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {};
int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
int mode = fec_active_mode(mdev);
if (mode == MLX5E_FEC_NOFEC)
return;
MLX5_SET(ppcnt_reg, in, local_port, 1);
MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_COUNTERS_GROUP);
@@ -1497,11 +1494,14 @@ static void fec_set_corrected_bits_total(struct mlx5e_priv *priv,
void mlx5e_stats_fec_get(struct mlx5e_priv *priv,
struct ethtool_fec_stats *fec_stats)
{
if (!MLX5_CAP_PCAM_FEATURE(priv->mdev, ppcnt_statistical_group))
int mode = fec_active_mode(priv->mdev);
if (mode == MLX5E_FEC_NOFEC ||
!MLX5_CAP_PCAM_FEATURE(priv->mdev, ppcnt_statistical_group))
return;
fec_set_corrected_bits_total(priv, fec_stats);
fec_set_block_stats(priv, fec_stats);
fec_set_block_stats(priv, mode, fec_stats);
}
#define PPORT_ETH_EXT_OFF(c) \