Thread (28 messages) 28 messages, 5 authors, 2025-07-08

Re: [PATCH v5 0/5] io_uring cmd for tx timestamps

From: Jens Axboe <axboe@kernel.dk>
Date: 2025-06-17 14:52:37
Also in: io-uring

On 6/16/25 3:46 AM, Pavel Begunkov wrote:
Vadim Fedorenko suggested to add an alternative API for receiving
tx timestamps through io_uring. The series introduces io_uring socket
cmd for fetching tx timestamps, which is a polled multishot request,
i.e. internally polling the socket for POLLERR and posts timestamps
when they're arrives. For the API description see Patch 5.

It reuses existing timestamp infra and takes them from the socket's
error queue. For networking people the important parts are Patch 1,
and io_uring_cmd_timestamp() from Patch 5 walking the error queue.

It should be reasonable to take it through the io_uring tree once
we have consensus, but let me know if there are any concerns.
Sounds like we're good to queue this up for 6.17?

-- 
Jens Axboe
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