diff options
| author | Alexei Lazar <alazar@nvidia.com> | 2025-10-22 15:29:40 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-10-23 07:14:33 -0700 |
| commit | d58a9a917aa39b10250ec16cb9c24e942cbc77d3 (patch) | |
| tree | 24689d8cc5ea92a2831ba7ebb86cb764b456ed0c | |
| parent | bb65e0c141f879cdf54db11ae446ee3605fb54d5 (diff) | |
net/mlx5e: Skip PPHCR register query if not supported by the device
Check the PCAM supported registers mask before querying the PPHCR
register, as it is not supported in older devices.
Fixes: 44907e7c8fd0 ("net/mlx5e: Add logic to read RS-FEC histogram bin ranges from PPHCR")
Signed-off-by: Alexei Lazar <alazar@nvidia.com>
Reviewed-by: Yael Chemla <ychemla@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1761136182-918470-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_stats.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index 7c029a7d0fd7..a2802cfc9b98 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -1614,7 +1614,9 @@ void mlx5e_stats_fec_get(struct mlx5e_priv *priv, fec_set_corrected_bits_total(priv, fec_stats); fec_set_block_stats(priv, mode, fec_stats); - fec_set_histograms_stats(priv, mode, hist); + + if (MLX5_CAP_PCAM_REG(priv->mdev, pphcr)) + fec_set_histograms_stats(priv, mode, hist); } #define PPORT_ETH_EXT_OFF(c) \ |