From: Thomas Monjalon <thomas@monjalon.net>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: dev@dpdk.org, arybchenko@solarflare.com,
Wenzhuo Lu <wenzhuo.lu@intel.com>,
Beilei Xing <beilei.xing@intel.com>,
Bernard Iremonger <bernard.iremonger@intel.com>
Subject: Re: [dpdk-dev] [PATCH 19/20] app/testpmd: reset port status on close notification
Date: Thu, 24 Sep 2020 14:17:04 +0200 [thread overview]
Message-ID: <5482678.jQLLJtJmLa@thomas> (raw)
In-Reply-To: <7f70403e-79f7-b3de-6a7b-a83571251810@intel.com>
24/09/2020 14:07, Ferruh Yigit:
> On 9/23/2020 9:32 PM, Thomas Monjalon wrote:
> > 23/09/2020 18:45, Ferruh Yigit:
> >> On 9/13/2020 11:07 PM, Thomas Monjalon wrote:
> >>> Since rte_eth_dev_release_port() is called on all port close operations,
> >>> the event RTE_ETH_EVENT_DESTROY can be reliably used for resetting
> >>> the port status on the application side.
> >>>
> >>> The intermediate state RTE_PORT_HANDLING is removed in close_port()
> >>> because a port can also be closed by a PMD in a device remove operation.
> >>>
> >>> In case multiple ports are closed, calling remove_invalid_ports()
> >>> only once is enough.
> >>>
> >>> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> >>
> >> <...>
> >>
> >>> @@ -3118,6 +3093,13 @@ eth_event_callback(portid_t port_id, enum rte_eth_event_type type, void *param,
> >>> rmv_port_callback, (void *)(intptr_t)port_id))
> >>> fprintf(stderr, "Could not set up deferred device removal\n");
> >>> break;
> >>> + case RTE_ETH_EVENT_DESTROY:
> >>> + if (rte_atomic16_cmpset(&(ports[port_id].port_status),
> >>> + RTE_PORT_STOPPED,
> >>> + RTE_PORT_CLOSED) == 0)
> >>> + printf("Port %d cannot be set to closed\n", port_id);
> >>> + printf("Port %u is closed\n", port_id);
> >>> + break;
> >>
> >> This is failing if a port closed without application port stop command,
> >> PMD may be doing port stop within the close function but since
> >> application didn't give the stop command, the port status is not
> >> 'RTE_PORT_STOPPED', hence 'port_status' is not updated correctly.
> >
> > Do you think we should give up with the atomic state transition,
> > and just assign the state as closed?
> >
>
> It can be better, if the DESTROY event received it should be in closed
> state.
I don't understand your proposal.
Note that we are not managing ethdev states here.
Despite the misleading RTE prefix, it is a testpmd state.
> Right now device can be hot removed while running, or it may be closed
> before it has been stopped, both cases state transition assumption from
> stopped->closed will be wrong, and final state will be wrong.
I think we should force the state, not matter what it was before.
next prev parent reply other threads:[~2020-09-24 12:25 UTC|newest]
Thread overview: 201+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-13 22:06 [dpdk-dev] [PATCH 00/20] cleanup ethdev close operation Thomas Monjalon
2020-09-13 22:06 ` [dpdk-dev] [PATCH 01/20] ethdev: reset device and interrupt pointers on release Thomas Monjalon
2020-09-23 16:41 ` Ferruh Yigit
2020-09-13 22:06 ` [dpdk-dev] [PATCH 02/20] ethdev: allow drivers to return error on close Thomas Monjalon
2020-09-23 16:41 ` Ferruh Yigit
2020-09-23 20:53 ` Thomas Monjalon
2020-09-23 21:02 ` Stephen Hemminger
2020-09-23 21:06 ` Thomas Monjalon
2020-09-23 21:47 ` Stephen Hemminger
2020-09-23 21:52 ` Thomas Monjalon
2020-09-23 22:02 ` Stephen Hemminger
2020-09-23 22:35 ` Thomas Monjalon
2020-09-24 9:12 ` Bruce Richardson
2020-09-24 10:07 ` Thomas Monjalon
2020-09-24 12:09 ` Ferruh Yigit
2020-09-24 14:48 ` Stephen Hemminger
2020-09-13 22:06 ` [dpdk-dev] [PATCH 03/20] net/af_packet: release port upon close Thomas Monjalon
2020-09-23 16:41 ` Ferruh Yigit
2020-09-13 22:06 ` [dpdk-dev] [PATCH 04/20] net/atlantic: " Thomas Monjalon
2020-09-16 15:14 ` Igor Russkikh
2020-09-23 16:42 ` Ferruh Yigit
2020-09-23 20:50 ` Thomas Monjalon
2020-09-13 22:06 ` [dpdk-dev] [PATCH 05/20] net/axgbe: " Thomas Monjalon
2020-09-13 22:06 ` [dpdk-dev] [PATCH 06/20] net/bonding: " Thomas Monjalon
2020-09-13 22:06 ` [dpdk-dev] [PATCH 07/20] net/failsafe: " Thomas Monjalon
2020-09-23 21:24 ` Thomas Monjalon
2020-09-13 22:06 ` [dpdk-dev] [PATCH 08/20] net/iavf: " Thomas Monjalon
2020-09-13 22:07 ` [dpdk-dev] [PATCH 09/20] net/mlx4: " Thomas Monjalon
2020-09-13 22:07 ` [dpdk-dev] [PATCH 10/20] net/null: " Thomas Monjalon
2020-09-23 16:44 ` Ferruh Yigit
2020-09-23 20:47 ` Thomas Monjalon
2020-09-24 21:58 ` Thomas Monjalon
2020-09-25 8:52 ` Ferruh Yigit
2020-09-25 13:13 ` Thomas Monjalon
2020-09-13 22:07 ` [dpdk-dev] [PATCH 11/20] net/octeontx: " Thomas Monjalon
2020-09-13 22:07 ` [dpdk-dev] [PATCH 12/20] net/pcap: " Thomas Monjalon
2020-09-23 16:44 ` Ferruh Yigit
2020-09-23 20:44 ` Thomas Monjalon
2020-09-24 11:56 ` Ferruh Yigit
2020-09-13 22:07 ` [dpdk-dev] [PATCH 13/20] net/ring: " Thomas Monjalon
2020-09-14 8:51 ` Bruce Richardson
2020-09-13 22:07 ` [dpdk-dev] [PATCH 14/20] net/softnic: " Thomas Monjalon
2020-09-14 15:21 ` Dumitrescu, Cristian
2020-09-13 22:07 ` [dpdk-dev] [PATCH 15/20] net/tap: " Thomas Monjalon
2020-09-13 22:07 ` [dpdk-dev] [PATCH 16/20] ethdev: remove old close behaviour Thomas Monjalon
2020-09-23 16:44 ` Ferruh Yigit
2020-09-23 20:41 ` Thomas Monjalon
2020-09-24 12:00 ` Ferruh Yigit
2020-09-25 4:31 ` Rasesh Mody
2020-09-13 22:07 ` [dpdk-dev] [PATCH 17/20] drivers/net: accept removing device without any port Thomas Monjalon
2020-09-23 16:45 ` Ferruh Yigit
2020-09-27 6:25 ` Xu, Rosen
2020-09-13 22:07 ` [dpdk-dev] [PATCH 18/20] drivers/net: remove redundant MAC addresses freeing Thomas Monjalon
2020-09-23 16:45 ` Ferruh Yigit
2020-09-13 22:07 ` [dpdk-dev] [PATCH 19/20] app/testpmd: reset port status on close notification Thomas Monjalon
2020-09-23 16:45 ` Ferruh Yigit
2020-09-23 20:32 ` Thomas Monjalon
2020-09-24 12:07 ` Ferruh Yigit
2020-09-24 12:17 ` Thomas Monjalon [this message]
2020-09-24 13:06 ` Ferruh Yigit
2020-09-13 22:07 ` [dpdk-dev] [PATCH 20/20] app/testpmd: align behaviour of multi-port detach Thomas Monjalon
2020-09-23 16:44 ` [dpdk-dev] [PATCH 00/20] cleanup ethdev close operation Ferruh Yigit
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 00/25] " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 01/25] ethdev: reset device and interrupt pointers on release Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 02/25] ethdev: allow drivers to return error on close Thomas Monjalon
2020-09-28 0:46 ` Xu, Rosen
2020-09-28 9:51 ` Sachin Saxena (OSS)
2020-09-28 18:26 ` [dpdk-dev] [EXT] " Liron Himi
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 03/25] net/af_packet: release port upon close Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 04/25] net/atlantic: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 05/25] net/axgbe: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 06/25] net/bnx2x: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 07/25] net/bonding: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 08/25] net/failsafe: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 09/25] net/mlx4: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 10/25] net/null: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 11/25] net/octeontx: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 12/25] net/pcap: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 13/25] net/qede: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 14/25] net/ring: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 15/25] net/softnic: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 16/25] net/tap: " Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 17/25] ethdev: remove old close behaviour Thomas Monjalon
2020-09-28 18:25 ` [dpdk-dev] [EXT] " Liron Himi
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 18/25] drivers/net: accept removing device without any port Thomas Monjalon
2020-09-28 0:47 ` Xu, Rosen
2020-09-28 9:54 ` Sachin Saxena (OSS)
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 19/25] drivers/net: check process type in close operation Thomas Monjalon
2020-09-27 23:52 ` Thomas Monjalon
2020-09-28 0:50 ` Xu, Rosen
2020-09-28 9:55 ` Sachin Saxena (OSS)
2020-09-28 14:57 ` Ajit Khaparde
2020-09-28 18:25 ` [dpdk-dev] [EXT] " Liron Himi
2020-09-28 18:51 ` [dpdk-dev] " Stephen Hemminger
2020-09-28 20:57 ` Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 20/25] drivers/net: remove redundant MAC addresses freeing Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 21/25] app/testpmd: reset port status on close notification Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 22/25] app/testpmd: align behaviour of multi-port detach Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 23/25] ethdev: remove forcing stopped state upon close Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 24/25] ethdev: reset all when releasing a port Thomas Monjalon
2020-09-27 23:42 ` [dpdk-dev] [PATCH v2 25/25] ethdev: allow close function to return an error Thomas Monjalon
2020-09-28 18:24 ` [dpdk-dev] [EXT] " Liron Himi
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 00/29] cleanup ethdev close operation Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 01/29] ethdev: reset device and interrupt pointers on release Thomas Monjalon
2020-09-29 10:52 ` Andrew Rybchenko
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 02/29] ethdev: allow drivers to return error on close Thomas Monjalon
2020-09-29 2:16 ` Wang, Haiyue
2020-09-29 5:56 ` Guo, Jia
2020-09-29 10:53 ` Andrew Rybchenko
2020-09-30 12:12 ` Ferruh Yigit
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 03/29] net/af_packet: release port upon close Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 04/29] net/atlantic: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 05/29] net/axgbe: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 06/29] net/bnx2x: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 07/29] net/bonding: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 08/29] net/dpaa: " Thomas Monjalon
2020-09-29 4:53 ` Hemant Agrawal
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 09/29] net/dpaa2: " Thomas Monjalon
2020-09-29 4:53 ` Hemant Agrawal
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 10/29] net/enetc: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 11/29] net/failsafe: " Thomas Monjalon
2020-10-05 10:19 ` Gaëtan Rivet
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 12/29] net/mlx4: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 13/29] net/null: " Thomas Monjalon
2020-09-29 16:47 ` Ferruh Yigit
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 14/29] net/octeontx: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 15/29] net/pcap: " Thomas Monjalon
2020-09-29 16:49 ` Ferruh Yigit
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 16/29] net/pfe: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 17/29] net/qede: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 18/29] net/ring: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 19/29] net/softnic: " Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 20/29] net/tap: " Thomas Monjalon
2020-09-30 8:34 ` wangyunjian
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 21/29] ethdev: remove old close behaviour Thomas Monjalon
2020-09-29 2:27 ` Wang, Haiyue
2020-09-29 5:55 ` Guo, Jia
2020-09-29 10:38 ` Andrew Rybchenko
2020-09-29 17:08 ` Ferruh Yigit
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 22/29] drivers/net: accept removing device without any port Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 23/29] drivers/net: check process type in close operation Thomas Monjalon
2020-09-29 2:39 ` Wang, Haiyue
2020-09-29 5:53 ` Guo, Jia
2020-09-29 10:42 ` Andrew Rybchenko
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 24/29] drivers/net: remove redundant MAC addresses freeing Thomas Monjalon
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 25/29] app/testpmd: reset port status on close notification Thomas Monjalon
2020-09-30 12:15 ` Ferruh Yigit
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 26/29] app/testpmd: align behaviour of multi-port detach Thomas Monjalon
2020-09-30 12:17 ` Ferruh Yigit
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 27/29] ethdev: remove forcing stopped state upon close Thomas Monjalon
2020-09-29 10:44 ` Andrew Rybchenko
2020-09-29 16:01 ` Ferruh Yigit
2020-09-29 16:06 ` Thomas Monjalon
2020-09-29 16:39 ` Ferruh Yigit
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 28/29] ethdev: reset all when releasing a port Thomas Monjalon
2020-09-29 2:34 ` Wang, Haiyue
2020-09-29 5:51 ` Guo, Jia
2020-09-29 10:26 ` Maxime Coquelin
2020-09-29 10:36 ` Thomas Monjalon
2020-09-29 11:58 ` Wang, Haiyue
2020-09-29 15:50 ` Ferruh Yigit
2020-09-29 16:02 ` Thomas Monjalon
2020-09-29 16:35 ` Ferruh Yigit
2020-09-30 12:17 ` Ferruh Yigit
2020-09-29 10:50 ` Andrew Rybchenko
2020-09-28 23:14 ` [dpdk-dev] [PATCH v3 29/29] ethdev: allow close function to return an error Thomas Monjalon
2020-09-29 11:05 ` Andrew Rybchenko
2020-09-29 11:47 ` Thomas Monjalon
2020-09-29 11:54 ` Andrew Rybchenko
2020-09-28 23:33 ` [dpdk-dev] [PATCH v3 00/29] cleanup ethdev close operation Stephen Hemminger
2020-09-30 12:22 ` Ferruh Yigit
2020-10-05 17:08 ` [dpdk-dev] [PATCH v4 0/3] " Thomas Monjalon
2020-10-05 17:08 ` [dpdk-dev] [PATCH v4 1/3] ethdev: remove forcing stopped state upon close Thomas Monjalon
2020-10-05 17:08 ` [dpdk-dev] [PATCH v4 2/3] ethdev: reset all when releasing a port Thomas Monjalon
2020-10-05 17:08 ` [dpdk-dev] [PATCH v4 3/3] ethdev: allow close function to return an error Thomas Monjalon
2020-10-06 9:43 ` Ferruh Yigit
2020-10-06 10:57 ` Thomas Monjalon
2020-10-13 8:40 ` Andrew Rybchenko
2020-10-13 8:55 ` Thomas Monjalon
2020-10-13 9:33 ` Ferruh Yigit
2020-10-13 10:06 ` [dpdk-dev] [PATCH v5 0/3] cleanup ethdev close operation Thomas Monjalon
2020-10-13 10:06 ` [dpdk-dev] [PATCH v5 1/3] ethdev: remove forcing stopped state upon close Thomas Monjalon
2020-10-13 12:36 ` Ferruh Yigit
2020-10-13 12:49 ` Thomas Monjalon
2020-10-13 12:45 ` Ferruh Yigit
2020-10-13 12:51 ` Thomas Monjalon
2020-10-13 17:54 ` Ferruh Yigit
2020-10-13 17:59 ` Thomas Monjalon
2020-10-13 10:06 ` [dpdk-dev] [PATCH v5 2/3] ethdev: reset all when releasing a port Thomas Monjalon
2020-10-13 13:10 ` Ferruh Yigit
2020-10-13 10:06 ` [dpdk-dev] [PATCH v5 3/3] ethdev: allow close function to return an error Thomas Monjalon
2020-10-13 10:41 ` Andrew Rybchenko
2020-10-13 10:43 ` Thomas Monjalon
2020-10-13 13:10 ` Ferruh Yigit
2020-10-16 13:32 ` [dpdk-dev] [PATCH v6 0/3] cleanup ethdev close operation Thomas Monjalon
2020-10-16 13:32 ` [dpdk-dev] [PATCH v6 1/3] ethdev: remove forcing stopped state upon close Thomas Monjalon
2020-10-16 13:32 ` [dpdk-dev] [PATCH v6 2/3] ethdev: reset all when releasing a port Thomas Monjalon
2020-10-16 15:21 ` Ajit Khaparde
2020-10-16 13:32 ` [dpdk-dev] [PATCH v6 3/3] ethdev: allow close function to return an error Thomas Monjalon
2020-10-16 17:55 ` [dpdk-dev] [PATCH v6 0/3] cleanup ethdev close operation Ferruh Yigit
2020-10-20 12:24 ` Bruce Richardson
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