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([2620:10d:c092:600::1:c92c]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5f7016f6770sm5963519a12.43.2025.04.28.06.07.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 28 Apr 2025 06:07:42 -0700 (PDT) Message-ID: <79a18c98-31dc-4ef4-8bd1-b0578b27c6bb@gmail.com> Date: Mon, 28 Apr 2025 14:08:52 +0100 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC 0/7] tx timestamp io_uring commands To: io-uring@vger.kernel.org Cc: Vadim Fedorenko References: Content-Language: en-US From: Pavel Begunkov In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 4/28/25 13:52, Pavel Begunkov wrote: > Vadim expressed interest in having an io_uring API for tx timestamping, > and the series implements a rough prototype to support that. It > introduces a new socket command, which works in a multishot polling > mode, i.e. it polls the socket and posts CQEs when a timestamp arrives. > It reuses most of the bits on the networking side by grabbing timestamp > skbs from the socket's error queue. A branch for convenience: https://github.com/isilence/linux.git tx-tstamp > The ABI and net bits like skb parsing will need to be discussed and > ironed before posting a non-RFC version. FWIW, I'm not spamming net list just yet, not before figuring out io_uring bits and other basic requirements. Also, Jens, please consider taking first two patches if you're happy with that. -- Pavel Begunkov