From: Jakub Kicinski <kuba@kernel.org>
To: "Zulkifli, Muhammad Husaini" <muhammad.husaini.zulkifli@intel.com>
Cc: "Song, Yoong Siang" <yoong.siang.song@intel.com>,
"Bezdeka, Florian" <florian.bezdeka@siemens.com>,
"Brandeburg, Jesse" <jesse.brandeburg@intel.com>,
"Nguyen, Anthony L" <anthony.l.nguyen@intel.com>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Jesper Dangaard Brouer <hawk@kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
"Fijalkowski, Maciej" <maciej.fijalkowski@intel.com>,
Vedang Patel <vedang.patel@intel.com>,
"Joseph, Jithu" <jithu.joseph@intel.com>,
Andre Guedes <andre.guedes@intel.com>,
"Brouer, Jesper" <brouer@redhat.com>,
Stanislav Fomichev <sdf@google.com>,
"Keller, Jacob E" <jacob.e.keller@intel.com>,
David Laight <David.Laight@ACULAB.COM>,
"xdp-hints@xdp-project.net" <xdp-hints@xdp-project.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
"intel-wired-lan@lists.osuosl.org"
<intel-wired-lan@lists.osuosl.org>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>
Subject: [xdp-hints] Re: [PATCH net v3 1/1] igc: read before write to SRRCTL register
Date: Mon, 17 Apr 2023 11:50:03 -0700 [thread overview]
Message-ID: <20230417115003.0d2ac372@kernel.org> (raw)
In-Reply-To: <SJ1PR11MB618095F79E53B077E922F900B89C9@SJ1PR11MB6180.namprd11.prod.outlook.com>
On Mon, 17 Apr 2023 02:53:13 +0000 Zulkifli, Muhammad Husaini wrote:
> Are you observing similar issue like below?
> ptp4l: timed out while polling for tx timestamp
> ptp4l: increasing tx_timestamp_timeout may correct this issue
>
> If yes, only TXSTAMPO register is used for both PTP and non-PTP packets in
> the current driver code. There is a possibility that the time stamp
> for a PTP packet will be lost when there is a lot of traffic when multiple
> applications request for hardware transmission timestamps.
> Few months back, I submitted a patch series to enable the DMA
> Timestamp for non-ptp packet which can resolve the above issue.
> https://lore.kernel.org/netdev/20221018010733.4765-1-muhammad.husaini.zulkifli@intel.com/T/
> Will continuing back the activity soon.
FWIW the work on selecting the source of the timestamp is progressing
slowly:
https://lore.kernel.org/all/20230406173308.401924-1-kory.maincent@bootlin.com/
next prev parent reply other threads:[~2023-04-17 18:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-14 15:49 [xdp-hints] " Song Yoong Siang
2023-04-14 20:05 ` [xdp-hints] " Jesper Dangaard Brouer
2023-04-17 14:24 ` Jesper Dangaard Brouer
2023-04-18 9:31 ` Florian Bezdeka
2023-04-15 9:19 ` Florian Bezdeka
2023-04-16 2:19 ` Song, Yoong Siang
2023-04-17 2:53 ` Zulkifli, Muhammad Husaini
2023-04-17 18:50 ` Jakub Kicinski [this message]
2023-04-30 5:05 ` [xdp-hints] Re: [Intel-wired-lan] " naamax.meir
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://lists.xdp-project.net/postorius/lists/xdp-hints.xdp-project.net/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230417115003.0d2ac372@kernel.org \
--to=kuba@kernel.org \
--cc=David.Laight@ACULAB.COM \
--cc=andre.guedes@intel.com \
--cc=anthony.l.nguyen@intel.com \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=brouer@redhat.com \
--cc=daniel@iogearbox.net \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=florian.bezdeka@siemens.com \
--cc=hawk@kernel.org \
--cc=intel-wired-lan@lists.osuosl.org \
--cc=jacob.e.keller@intel.com \
--cc=jesse.brandeburg@intel.com \
--cc=jithu.joseph@intel.com \
--cc=john.fastabend@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=maciej.fijalkowski@intel.com \
--cc=muhammad.husaini.zulkifli@intel.com \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=sdf@google.com \
--cc=stable@vger.kernel.org \
--cc=vedang.patel@intel.com \
--cc=xdp-hints@xdp-project.net \
--cc=yoong.siang.song@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox