From: Rahul Rameshbabu <rrameshbabu@nvidia•com>
To: Jacob Keller <jacob.e.keller@intel•com>
Cc: Saeed Mahameed <saeed@kernel•org>,
Leon Romanovsky <leon@kernel•org>,
"David S. Miller" <davem@davemloft•net>,
Eric Dumazet <edumazet@google•com>,
Jakub Kicinski <kuba@kernel•org>, Paolo Abeni <pabeni@redhat•com>,
Jonathan Corbet <corbet@lwn•net>,
Richard Cochran <richardcochran@gmail•com>,
Tariq Toukan <tariqt@nvidia•com>, Gal Pressman <gal@nvidia•com>,
Vadim Fedorenko <vadim.fedorenko@linux•dev>,
Andrew Lunn <andrew@lunn•ch>,
Heiner Kallweit <hkallweit1@gmail•com>,
Przemek Kitszel <przemyslaw.kitszel@intel•com>,
Ahmed Zaki <ahmed.zaki@intel•com>,
Alexander Lobakin <aleksander.lobakin@intel•com>,
Hangbin Liu <liuhangbin@gmail•com>,
Paul Greenwalt <paul.greenwalt@intel•com>,
Justin Stitt <justinstitt@google•com>,
Randy Dunlap <rdunlap@infradead•org>,
Maxime Chevallier <maxime.chevallier@bootlin•com>,
Kory Maincent <kory.maincent@bootlin•com>,
Wojciech Drewek <wojciech.drewek@intel•com>,
Vladimir Oltean <vladimir.oltean@nxp•com>,
Jiri Pirko <jiri@resnulli•us>,
Alexandre Torgue <alexandre.torgue@foss•st.com>,
Jose Abreu <joabreu@synopsys•com>,
Dragos Tatulea <dtatulea@nvidia•com>,
netdev@vger•kernel.org, linux-kernel@vger•kernel.org,
linux-doc@vger•kernel.org
Subject: Re: [PATCH RFC net-next v1 0/6] ethtool HW timestamping statistics
Date: Fri, 23 Feb 2024 14:47:37 -0800 [thread overview]
Message-ID: <87ttlyvltg.fsf@nvidia.com> (raw)
In-Reply-To: <4c94d725-a903-4979-bcc6-9353e0869cd7@intel.com>
On Fri, 23 Feb, 2024 13:00:10 -0800 Jacob Keller <jacob.e.keller@intel•com> wrote:
> On 2/23/2024 11:24 AM, Rahul Rameshbabu wrote:
>> The goal of this patch series is to introduce a common set of ethtool statistics
>> for hardware timestamping that a driver implementer can hook into. The
>> statistics counters added are based on what I believe are common
>> patterns/behaviors found across various hardware timestamping implementations
>> seen in the kernel tree today. The mlx5 family of devices is used as the PoC for
>> this patch series. Other vendors are more than welcome to chim in on this
>> series.
>>
>> Statistics can be queried from either the DMA or PHY layers. I think this
>> concept of layer-based statistics selection and the general timestamping layer
>> selection work Kory Maincent is working on can be converged together [1].
>>
>> [1] https://lore.kernel.org/netdev/20240216-feature_ptp_netnext-v8-0-510f42f444fb@bootlin.com/
>>
>
> Makes sense! I like this direction, I had meant to work on this for the
> Intel parts, but got sidetracked by other tasks.
I still have a back burner task for a cyclecounter API change you
suggested a while back.... Hoping to get to that after getting some
large features out of the way in the next two months.
--
Thanks,
Rahul Rameshbabu
next prev parent reply other threads:[~2024-02-23 22:48 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-23 19:24 [PATCH RFC net-next v1 0/6] ethtool HW timestamping statistics Rahul Rameshbabu
2024-02-23 19:24 ` [PATCH RFC net-next v1 1/6] ethtool: add interface to read Tx hardware " Rahul Rameshbabu
2024-02-23 21:07 ` Jacob Keller
2024-02-23 22:21 ` Rahul Rameshbabu
2024-02-23 22:48 ` Jacob Keller
2024-02-23 23:43 ` Rahul Rameshbabu
2024-02-26 19:54 ` Jacob Keller
2024-03-07 18:47 ` Rahul Rameshbabu
2024-03-08 3:29 ` Jacob Keller
2024-03-08 5:09 ` Rahul Rameshbabu
2024-03-08 22:28 ` Jacob Keller
2024-03-08 22:30 ` Rahul Rameshbabu
2024-02-26 8:59 ` Köry Maincent
2024-02-26 10:09 ` Köry Maincent
2024-02-29 2:05 ` Jakub Kicinski
2024-02-29 22:20 ` Rahul Rameshbabu
2024-02-23 19:24 ` [PATCH RFC net-next v1 2/6] net/mlx5e: Introduce lost_cqe statistic counter for PTP Tx port timestamping CQ Rahul Rameshbabu
2024-02-23 19:24 ` [PATCH RFC net-next v1 3/6] net/mlx5e: Introduce timestamps statistic counter for Tx DMA layer Rahul Rameshbabu
2024-02-23 19:24 ` [PATCH RFC net-next v1 4/6] net/mlx5e: Implement ethtool hardware timestamping statistics Rahul Rameshbabu
2024-02-26 9:26 ` Köry Maincent
2024-02-23 19:24 ` [PATCH RFC net-next v1 5/6] tools: ynl: ethtool.py: Make tool invokable from any CWD Rahul Rameshbabu
2024-02-23 21:08 ` Jacob Keller
2024-02-23 22:39 ` Rahul Rameshbabu
2024-02-29 2:08 ` Jakub Kicinski
2024-02-23 19:24 ` [PATCH RFC net-next v1 6/6] tools: ynl: ethtool.py: Add ts ethtool statistics group Rahul Rameshbabu
2024-02-23 21:00 ` [PATCH RFC net-next v1 0/6] ethtool HW timestamping statistics Jacob Keller
2024-02-23 21:12 ` Jacob Keller
2024-02-23 22:47 ` Rahul Rameshbabu [this message]
2024-03-09 8:44 ` [PATCH RFC v2 " Rahul Rameshbabu
2024-03-09 8:44 ` [PATCH RFC v2 1/6] ethtool: add interface to read Tx hardware " Rahul Rameshbabu
2024-03-12 23:53 ` Jakub Kicinski
2024-03-14 0:26 ` Rahul Rameshbabu
2024-03-14 0:41 ` Jakub Kicinski
2024-03-14 0:50 ` Rahul Rameshbabu
2024-03-14 1:40 ` Jakub Kicinski
2024-03-14 4:19 ` Rahul Rameshbabu
2024-03-14 17:50 ` Keller, Jacob E
2024-03-14 18:48 ` Rahul Rameshbabu
2024-03-14 17:01 ` Rahul Rameshbabu
2024-03-14 17:59 ` Jakub Kicinski
2024-03-14 18:43 ` Rahul Rameshbabu
2024-03-14 19:06 ` Jakub Kicinski
2024-03-14 20:16 ` Rahul Rameshbabu
2024-03-09 8:44 ` [PATCH RFC v2 2/6] net/mlx5e: Introduce lost_cqe statistic counter for PTP Tx port timestamping CQ Rahul Rameshbabu
2024-03-09 8:44 ` [PATCH RFC v2 3/6] net/mlx5e: Introduce timestamps statistic counter for Tx DMA layer Rahul Rameshbabu
2024-03-09 8:44 ` [PATCH RFC v2 4/6] net/mlx5e: Implement ethtool hardware timestamping statistics Rahul Rameshbabu
2024-03-09 8:44 ` [PATCH RFC v2 5/6] tools: ynl: ethtool.py: Make tool invokable from any CWD Rahul Rameshbabu
2024-03-11 12:43 ` Köry Maincent
2024-03-09 8:44 ` [PATCH RFC v2 6/6] tools: ynl: ethtool.py: Output timestamping statistics from tsinfo-get operation Rahul Rameshbabu
2024-03-12 23:55 ` Jakub Kicinski
2024-03-14 0:22 ` Rahul Rameshbabu
2024-03-14 0:47 ` Jakub Kicinski
2024-03-14 6:07 ` Rahul Rameshbabu
2024-03-14 18:05 ` Jakub Kicinski
2024-03-14 18:39 ` Rahul Rameshbabu
2024-03-14 20:04 ` Jakub Kicinski
2024-03-14 20:05 ` Rahul Rameshbabu
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