netdev - Re: [PATCH iwl-next] i40e: add link_down

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Message-ID: <20250522134837.GG365796@horms.kernel.org>
Date: Thu, 22 May 2025 14:48:37 +0100
From: Simon Horman <horms@...nel.org>
To: Dawid Osuchowski <dawid.osuchowski@...ux.intel.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@...ux.intel.com>,
	Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Subject: Re: [PATCH iwl-next] i40e: add link_down_events statistic

On Wed, May 21, 2025 at 04:23:32PM +0200, Dawid Osuchowski wrote:
> Introduce a link_down_events counter to the i40e driver, incremented
> each time the link transitions from up to down.
> This counter can help diagnose issues related to link stability,
> such as port flapping or unexpected link drops.
> 
> The value is exposed via ethtool's get_link_ext_stats() interface.
> 
> Co-developed-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@...ux.intel.com>
> Signed-off-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@...ux.intel.com>
> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
> Signed-off-by: Dawid Osuchowski <dawid.osuchowski@...ux.intel.com>
> ---
> Based on series [1] from Martyna where this was implemented for ixgbe
> and ice drivers.
> 
> [1] https://lore.kernel.org/netdev/20250515105011.1310692-1-martyna.szapar-mudlaw@linux.intel.com/

Reviewed-by: Simon Horman <horms@...nel.org>