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([2a0d:3344:2712:7e10:4d59:d956:544f:d65c]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4b11dc19631sm63346241cf.12.2025.08.19.01.43.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 19 Aug 2025 01:43:04 -0700 (PDT) Message-ID: Date: Tue, 19 Aug 2025 10:43:00 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next V2 1/3] ptp: Add ioctl commands to expose raw cycle counter values To: Richard Cochran Cc: 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 , Jakub Kicinski , Vladimir Oltean , Dragos Tatulea , "David S. Miller" , Eric Dumazet , Tariq Toukan , Andrew Lunn References: <1755008228-88881-1-git-send-email-tariqt@nvidia.com> <1755008228-88881-2-git-send-email-tariqt@nvidia.com> Content-Language: en-US From: Paolo Abeni In-Reply-To: <1755008228-88881-2-git-send-email-tariqt@nvidia.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 8/12/25 4:17 PM, 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 Hi Richard, can we have a formal ack here? Thanks, Paolo