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Miller" , Saeed Mahameed , Leon Romanovsky , Mark Bloch , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Gal Pressman , Thomas Gleixner , Carolina Jubran , Vladimir Oltean , Dragos Tatulea Subject: Re: [PATCH net-next V2 1/3] ptp: Add ioctl commands to expose raw cycle counter values Message-ID: References: <1755008228-88881-1-git-send-email-tariqt@nvidia.com> <1755008228-88881-2-git-send-email-tariqt@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1755008228-88881-2-git-send-email-tariqt@nvidia.com> On Tue, Aug 12, 2025 at 05:17:06PM +0300, Tariq Toukan wrote: > From: Carolina Jubran > > 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 > Reviewed-by: Dragos Tatulea > Signed-off-by: Tariq Toukan Acked-by: Richard Cochran