netdev - Re: [RFC PATCH] ethtool: add FEC bins histogramm report

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Message-ID: <20250729184827.039406f3@kernel.org>
Date: Tue, 29 Jul 2025 18:48:27 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Vadim Fedorenko <vadfed@...a.com>
Cc: Andrew Lunn <andrew@...n.ch>, Michael Chan <michael.chan@...adcom.com>,
 Pavan Chebbi <pavan.chebbi@...adcom.com>, Tariq Toukan <tariqt@...dia.com>,
 Gal Pressman <gal@...dia.com>, <intel-wired-lan@...ts.osuosl.org>, Donald
 Hunter <donald.hunter@...il.com>, Paolo Abeni <pabeni@...hat.com>, Simon
 Horman <horms@...nel.org>, <netdev@...r.kernel.org>, Vadim Fedorenko
 <vadim.fedorenko@...ux.dev>
Subject: Re: [RFC PATCH] ethtool: add FEC bins histogramm report

On Tue, 29 Jul 2025 03:23:54 -0700 Vadim Fedorenko wrote:
>  /**
>   * struct ethtool_fec_stats - statistics for IEEE 802.3 FEC
> @@ -524,6 +535,7 @@ struct ethtool_fec_stats {
>  		u64 total;
>  		u64 lanes[ETHTOOL_MAX_LANES];
>  	} corrected_blocks, uncorrectable_blocks, corrected_bits;
> +	u64 hist[ETHTOOL_FEC_HIST_MAX];
>  };

Some devices may want these per lane, let's make sure uAPI supports it.