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From: Vadim Fedorenko To: Jakub Kicinski , Andrew Lunn , Michael Chan , Pavan Chebbi , Tariq Toukan , Gal Pressman , intel-wired-lan@lists.osuosl.org, Donald Hunter , Carolina Jubran , Aleksandr Loktionov , Vadim Fedorenko Cc: Paolo Abeni , Simon Horman , netdev@vger.kernel.org, Dragos Tatulea , Yael Chemla Date: Mon, 22 Sep 2025 10:07:38 +0000 Message-ID: <20250922100741.2167024-3-vadim.fedorenko@linux.dev> In-Reply-To: <20250922100741.2167024-1-vadim.fedorenko@linux.dev> References: <20250922100741.2167024-1-vadim.fedorenko@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1758536159; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/TpAPgWJejoNMptW7LvqfFt/hMK/gaHXEvGCOvAL75o=; b=mFUFt+f4p91IakVijVy3W55ieYku2N9M4c5hISfGO8cp4cN66Af1DBRUhYQ2T6mEwQJ/O2 N0WHgIyrVDkntKkkCvDjwJjqiffdslUmArPSmA9Qi7c1H3ublSt4iCHAm9J/RDXZz7q0Kw IVsOKGQA3FNVxwPdwgkN1/vTuW8aCFc= X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=none dis=none) header.from=linux.dev X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=mFUFt+f4 Subject: [Intel-wired-lan] [PATCH net-next v5 2/5] net/mlx5e: Don't query FEC statistics when FEC is disabled X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" From: Carolina Jubran Update mlx5e_stats_fec_get() to check the active FEC mode and skip statistics collection when FEC is disabled. Signed-off-by: Carolina Jubran Reviewed-by: Dragos Tatulea Reviewed-by: Yael Chemla Reviewed-by: Aleksandr Loktionov Signed-off-by: Vadim Fedorenko --- drivers/net/ethernet/mellanox/mlx5/core/en_stats.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index 87536f158d07..aae0022e8736 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -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); @@ -1496,11 +1493,14 @@ 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) \ -- 2.47.3