Commit d58a9a91 authored by Alexei Lazar's avatar Alexei Lazar Committed by Jakub Kicinski
Browse files

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: 44907e7c ("net/mlx5e: Add logic to read RS-FEC histogram bin ranges from PPHCR")
Signed-off-by: default avatarAlexei Lazar <alazar@nvidia.com>
Reviewed-by: default avatarYael Chemla <ychemla@nvidia.com>
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1761136182-918470-3-git-send-email-tariqt@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent bb65e0c1

drivers/net/ethernet/mellanox/mlx5/core/en_stats.c

+3 −1
Original line number Diff line number Diff line
@@ -1614,6 +1614,8 @@ 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);



	if (MLX5_CAP_PCAM_REG(priv->mdev, pphcr))

		fec_set_histograms_stats(priv, mode, hist);

}