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From: Jakub Kicinski <kuba@kernel.org>
To: Anil Samal <anil.samal@intel.com>
Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
	leszek.pepiak@intel.com, przemyslaw.kitszel@intel.com,
	lukasz.czapnik@intel.com, anthony.l.nguyen@intel.com,
	Simon Horman <horms@kernel.org>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>
Subject: Re: [PATCH iwl-next v3 3/3] ice: Implement driver functionality to dump serdes equalizer values
Date: Fri, 14 Jun 2024 17:55:59 -0700	[thread overview]
Message-ID: <20240614175559.4826e4aa@kernel.org> (raw)
In-Reply-To: <20240614125935.900102-4-anil.samal@intel.com>

On Fri, 14 Jun 2024 05:58:17 -0700 Anil Samal wrote:
> To debug link issues in the field, serdes Tx/Rx equalizer values
> help to determine the health of serdes lane.
> 
> Extend 'ethtool -d' option to dump serdes Tx/Rx equalizer.
> The following list of equalizer param is supported
>     a. rx_equalization_pre2
>     b. rx_equalization_pre1
>     c. rx_equalization_post1
>     d. rx_equalization_bflf
>     e. rx_equalization_bfhf
>     f. rx_equalization_drate
>     g. tx_equalization_pre1
>     h. tx_equalization_pre3
>     i. tx_equalization_atten
>     j. tx_equalization_post1
>     k. tx_equalization_pre2

I'd be tempted to create a dedicated way to dump vendor specific signal
quality indicators (both for Ethernet and PCIe). Feels little cleaner
than appending to a flat mixed-purpose dump. But either way is fine by
me, TBH. Much better than vendor tools poking into the BAR...

  reply	other threads:[~2024-06-15  0:56 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-14 12:58 [PATCH iwl-next v3 0/3] ice:Support to dump PHY config, FEC Anil Samal
2024-06-14 12:58 ` [PATCH iwl-next v3 1/3] ice: Extend Sideband Queue command to support flags Anil Samal
2024-06-24 16:24   ` [Intel-wired-lan] " Pucha, HimasekharX Reddy
2024-06-14 12:58 ` [PATCH iwl-next v3 2/3] ice: Implement driver functionality to dump fec statistics Anil Samal
2024-06-24 16:26   ` [Intel-wired-lan] " Pucha, HimasekharX Reddy
2024-06-14 12:58 ` [PATCH iwl-next v3 3/3] ice: Implement driver functionality to dump serdes equalizer values Anil Samal
2024-06-15  0:55   ` Jakub Kicinski [this message]
2024-06-17 14:52     ` Simon Horman
2024-06-22  5:28       ` Samal, Anil
2024-06-25  2:35   ` [Intel-wired-lan] " Pucha, HimasekharX Reddy
  -- strict thread matches above, loose matches on Subject: below --
2024-05-24 13:51 [PATCH iwl-next v3 0/3] ice:Support to dump PHY config, FEC Anil Samal
2024-05-24 13:51 ` [PATCH iwl-next v3 3/3] ice: Implement driver functionality to dump serdes equalizer values Anil Samal

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