From: Mark Bloch <mbloch@nvidia.com>
To: Paolo Abeni <pabeni@redhat.com>,
Richard Cochran <richardcochran@gmail.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
Leon Romanovsky <leon@kernel.org>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org, Gal Pressman <gal@nvidia.com>,
Thomas Gleixner <tglx@linutronix.de>,
Carolina Jubran <cjubran@nvidia.com>,
Jakub Kicinski <kuba@kernel.org>,
Vladimir Oltean <vladimir.oltean@nxp.com>,
Dragos Tatulea <dtatulea@nvidia.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Tariq Toukan <tariqt@nvidia.com>,
Andrew Lunn <andrew+netdev@lunn.ch>
Subject: Re: [PATCH net-next V2 1/3] ptp: Add ioctl commands to expose raw cycle counter values
Date: Mon, 25 Aug 2025 20:52:52 +0300 [thread overview]
Message-ID: <1384ef6c-4c20-49fb-9a9f-1ee8b8ce012a@nvidia.com> (raw)
In-Reply-To: <ca8b550b-a284-4afc-9a50-09e42b86c774@redhat.com>
On 19/08/2025 11:43, Paolo Abeni wrote:
> On 8/12/25 4:17 PM, Tariq Toukan wrote:
>> From: Carolina Jubran <cjubran@nvidia.com>
>>
>> Introduce two new ioctl commands, PTP_SYS_OFFSET_PRECISE_CYCLES and
>> PTP_SYS_OFFSET_EXTENDED_CYCLES, to allow user space to access the
>> raw free-running cycle counter from PTP devices.
>>
>> These ioctls are variants of the existing PRECISE and EXTENDED
>> offset queries, but instead of returning device time in realtime,
>> they return the raw cycle counter value.
>>
>> Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
>> Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
>> Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
>
> Hi Richard,
>
> can we have a formal ack here?
Gentle reminder.
Mark
>
> Thanks,
>
> Paolo
>
next prev parent reply other threads:[~2025-08-25 17:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-12 14:17 [PATCH net-next V2 0/3] Support exposing raw cycle counters in PTP and mlx5 Tariq Toukan
2025-08-12 14:17 ` [PATCH net-next V2 1/3] ptp: Add ioctl commands to expose raw cycle counter values Tariq Toukan
2025-08-19 8:43 ` Paolo Abeni
2025-08-25 17:52 ` Mark Bloch [this message]
2025-08-28 10:00 ` Richard Cochran
2025-09-04 12:09 ` Carolina Jubran
2025-09-04 13:14 ` Richard Cochran
2025-09-04 13:13 ` Richard Cochran
2025-08-12 14:17 ` [PATCH net-next V2 2/3] net/mlx5: Extract MTCTR register read logic into helper function Tariq Toukan
2025-08-12 14:17 ` [PATCH net-next V2 3/3] net/mlx5: Support getcyclesx and getcrosscycles Tariq Toukan
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