DPDK patches and discussions
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: Ivan Malov <ivan.malov@arknetworks.am>
Cc: dev@dpdk.org, Anatoly Burakov <anatoly.burakov@intel.com>
Subject: Re: [PATCH v6 03/13] test: add test for hotplug and secondary process operations
Date: Wed, 23 Jul 2025 08:09:21 -0700	[thread overview]
Message-ID: <20250723080921.707076de@hermes.local> (raw)
In-Reply-To: <7f61a6f8-e381-95e6-d362-208444d89923@arknetworks.am>

On Wed, 23 Jul 2025 05:31:03 +0400 (+04)
Ivan Malov <ivan.malov@arknetworks.am> wrote:

> > +
> > +	ret = rte_eth_dev_get_port_by_name(vdev_name, &port);
> > +	TEST_ASSERT(ret == 0, "Lookup vdev '%s' failed", vdev_name);
> > +
> > +	ret = rte_eth_dev_configure(port, 1, 1, &dev_conf);
> > +	TEST_ASSERT(ret == 0, "Configure port %u failed", port);  
> 
> I may be very wrong here, but if this code is supposed to be run in the
> secondary process, then is 'rte_eth_dev_configure' allowed in such?


It works because the state in port structure for is in shared huge pages.
The issue with start/stop is that it causes state changes that are not shared.

  reply	other threads:[~2025-07-23 15:09 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-11 23:44 [RFC 00/13] Packet capture using port mirroring Stephen Hemminger
2025-04-11 23:44 ` [RFC 01/13] app/testpmd: revert auto attach/detach Stephen Hemminger
2025-04-15 13:28   ` lihuisong (C)
2025-04-16  0:06     ` Stephen Hemminger
2025-04-17  3:14       ` lihuisong (C)
2025-04-11 23:44 ` [RFC 02/13] ethdev: allow start/stop from secondary process Stephen Hemminger
2025-04-15  0:19   ` Stephen Hemminger
2025-04-11 23:44 ` [RFC 03/13] test: add test for hotplug and secondary process operations Stephen Hemminger
2025-04-11 23:44 ` [RFC 04/13] net/ring: allow lockfree transmit if ring supports it Stephen Hemminger
2025-04-11 23:44 ` [RFC 05/13] net/ring: add argument to attach existing ring Stephen Hemminger
2025-04-11 23:44 ` [RFC 06/13] net/ring: add timestamp devargs Stephen Hemminger
2025-04-11 23:44 ` [RFC 07/13] net/null: all lockfree transmit Stephen Hemminger
2025-04-11 23:44 ` [RFC 08/13] mbuf: add fields for mirroring Stephen Hemminger
2025-04-12  9:59   ` Morten Brørup
2025-04-12 16:56     ` Stephen Hemminger
2025-04-13  7:00       ` Morten Brørup
2025-04-13 14:31         ` Stephen Hemminger
2025-04-13 14:44           ` Morten Brørup
2025-04-11 23:44 ` [RFC 09/13] ethdev: add port mirror capability Stephen Hemminger
2025-04-11 23:44 ` [RFC 10/13] pcapng: split packet copy from header insertion Stephen Hemminger
2025-04-11 23:44 ` [RFC 11/13] test: add tests for ethdev mirror Stephen Hemminger
2025-04-11 23:44 ` [RFC 12/13] app/testpmd: support for port mirroring Stephen Hemminger
2025-04-11 23:44 ` [RFC 13/13] app/dumpcap: use port mirror instead of pdump Stephen Hemminger
2025-04-12 11:06 ` [RFC 00/13] Packet capture using port mirroring Morten Brørup
2025-04-12 17:04   ` Stephen Hemminger
2025-04-13  9:26     ` Morten Brørup
2025-07-15 16:15 ` [PATCH v4 " Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 01/13] ethdev: allow start/stop from secondary process Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 02/13] ethdev: make sure all necessary headers included Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 03/13] test: add test for hotplug and secondary process operations Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 04/13] net/ring: allow lockfree transmit if ring supports it Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 05/13] net/ring: add new devarg to create vdev from existing ring Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 06/13] mbuf: add dynamic flag for use by port mirroring Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 07/13] ethdev: add port mirroring feature Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 08/13] pcapng: split packet copy from header insertion Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 09/13] pcapng: make queue optional Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 10/13] test: add tests for ethdev mirror Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 11/13] app/testpmd: support for port mirroring Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 12/13] app/dumpcap: use port mirror instead of pdump Stephen Hemminger
2025-07-15 16:15   ` [PATCH v4 13/13] pdump: mark API and application as deprecated Stephen Hemminger
2025-07-18 16:28 ` [PATCH v5 00/13] Packet capture using port mirroring Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 01/13] ethdev: allow start/stop from secondary process Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 02/13] ethdev: make sure all necessary headers included Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 03/13] test: add test for hotplug and secondary process operations Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 04/13] net/ring: allow lockfree transmit if ring supports it Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 05/13] net/ring: add new devarg to create vdev from existing ring Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 06/13] mbuf: add dynamic flag for use by port mirroring Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 07/13] ethdev: add port mirroring feature Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 08/13] pcapng: split packet copy from header insertion Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 09/13] pcapng: make queue optional Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 10/13] test: add tests for ethdev mirror Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 11/13] app/testpmd: support for port mirroring Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 12/13] app/dumpcap: use port mirror instead of pdump Stephen Hemminger
2025-07-18 16:28   ` [PATCH v5 13/13] pdump: mark API and application as deprecated Stephen Hemminger
2025-07-22 17:34 ` [PATCH v6 00/13] Packet capture using port mirroring Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 01/13] ethdev: allow start/stop from secondary process Stephen Hemminger
2025-07-23  1:08     ` Ivan Malov
2025-07-23 14:38       ` Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 02/13] ethdev: make sure all necessary headers included Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 03/13] test: add test for hotplug and secondary process operations Stephen Hemminger
2025-07-23  1:31     ` Ivan Malov
2025-07-23 15:09       ` Stephen Hemminger [this message]
2025-07-22 17:34   ` [PATCH v6 04/13] net/ring: allow lockfree transmit if ring supports it Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 05/13] net/ring: add new devarg to create vdev from existing ring Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 06/13] mbuf: add dynamic flag for use by port mirroring Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 07/13] ethdev: add port mirroring feature Stephen Hemminger
2025-07-23  2:13     ` Ivan Malov
2025-07-23 15:26       ` Stephen Hemminger
2025-07-23 15:30         ` Ivan Malov
2025-07-22 17:34   ` [PATCH v6 08/13] pcapng: split packet copy from header insertion Stephen Hemminger
2025-07-23  2:32     ` Ivan Malov
2025-07-23  3:18       ` Ivan Malov
2025-07-23 19:20       ` Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 09/13] pcapng: make queue optional Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 10/13] test: add tests for ethdev mirror Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 11/13] app/testpmd: support for port mirroring Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 12/13] app/dumpcap: use port mirror instead of pdump Stephen Hemminger
2025-07-23  3:16     ` Ivan Malov
2025-07-23  3:27       ` Ivan Malov
2025-07-23 19:26       ` Stephen Hemminger
2025-07-22 17:34   ` [PATCH v6 13/13] pdump: mark API and application as deprecated Stephen Hemminger

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

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250723080921.707076de@hermes.local \
    --to=stephen@networkplumber.org \
    --cc=anatoly.burakov@intel.com \
    --cc=dev@dpdk.org \
    --cc=ivan.malov@arknetworks.am \
    /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;
as well as URLs for NNTP newsgroup(s).