netdev - Re: (subset) [PATCH v5 0/5] io_uring cmd for tx timestamps

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <a8ac223d-6bb0-4c47-8439-b0d0de4863dd@gmail.com>
Date: Tue, 8 Jul 2025 19:00:05 +0100
From: Pavel Begunkov <asml.silence@...il.com>
To: Jens Axboe <axboe@...nel.dk>, io-uring@...r.kernel.org,
 Vadim Fedorenko <vadim.fedorenko@...ux.dev>
Cc: netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
 Paolo Abeni <pabeni@...hat.com>, Willem de Bruijn <willemb@...gle.com>,
 "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
 Richard Cochran <richardcochran@...il.com>,
 Stanislav Fomichev <sdf@...ichev.me>, Jason Xing
 <kerneljasonxing@...il.com>, Kuniyuki Iwashima <kuniyu@...gle.com>
Subject: Re: (subset) [PATCH v5 0/5] io_uring cmd for tx timestamps

On 7/8/25 18:55, Jens Axboe wrote:
> On 6/28/25 12:10 AM, Pavel Begunkov wrote:
>> On 6/27/25 18:07, Jens Axboe wrote:
>>> On 6/23/25 9:01 AM, Jens Axboe wrote:
>>>>
>>>> On Mon, 16 Jun 2025 10:46:24 +0100, 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.
>>>>>
>>>>> [...]
>>>>
>>>> Applied, thanks!
>>>>
>>>> [2/5] io_uring/poll: introduce io_arm_apoll()
>>>>         commit: 162151889267089bb920609830c35f9272087c3f
>>>> [3/5] io_uring/cmd: allow multishot polled commands
>>>>         commit: b95575495948a81ac9b0110aa721ea061dd850d9
>>>> [4/5] io_uring: add mshot helper for posting CQE32
>>>>         commit: ac479eac22e81c0ff56c6bdb93fad787015149cc
>>>> [5/5] io_uring/netcmd: add tx timestamping cmd support
>>>>         commit: 9e4ed359b8efad0e8ad4510d8ad22bf0b060526a
>>>
>>> Pavel, can you send in the liburing PR for these, please?
>>
>> It needs a minor clean up, I'll send it by Monday
> 
> Gentle reminder on this. No rush, just want to make sure it isn't
> forgotten.

You already merged the (liburing) test

commit 21224848af24d379d54fbf1bd43a60861fe19f9b
Author: Pavel Begunkov <asml.silence@...il.com>
Date:   Mon Jun 30 18:10:31 2025 +0100

     tests: add a tx timestamp test

-- 
Pavel Begunkov