From: Ajit Khaparde <ajit.khaparde@broadcom.com>
To: Chengwen Feng <fengchengwen@huawei.com>
Cc: thomas@monjalon.net, ferruh.yigit@amd.com,
konstantin.ananyev@huawei.com,
Somnath Kotur <somnath.kotur@broadcom.com>,
Kalesh AP <kalesh-anakkur.purayil@broadcom.com>,
dev@dpdk.org, andrew.rybchenko@oktetlabs.ru,
Honnappa.Nagarahalli@arm.com
Subject: Re: [PATCH v2 3/7] net/bnxt: fix race-condition when report error recovery
Date: Thu, 2 Nov 2023 09:28:17 -0700 [thread overview]
Message-ID: <CACZ4nhuyzLOpEE74ryB4iGmfXFDJzeB3TerP2iwHwcLx+R8yNA@mail.gmail.com> (raw)
In-Reply-To: <20231020100746.31520-4-fengchengwen@huawei.com>
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On Fri, Oct 20, 2023 at 3:11 AM Chengwen Feng <fengchengwen@huawei.com> wrote:
>
> If set data path functions to dummy functions before reports error
> recovering event, there maybe a race-condition with data path threads,
> this patch fixes it by setting data path functions to dummy functions
> only after reports such event.
>
> Fixes: e11052f3a46f ("net/bnxt: support proactive error handling mode")
> Cc: stable@dpdk.org
>
> Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
> Acked-by: Konstantin Ananyev <konstantin.ananyev@huawei.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
> ---
> drivers/net/bnxt/bnxt_cpr.c | 13 +++++++------
> drivers/net/bnxt/bnxt_ethdev.c | 4 ++--
> 2 files changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/net/bnxt/bnxt_cpr.c b/drivers/net/bnxt/bnxt_cpr.c
> index 0733cf4df2..d8947d5b5f 100644
> --- a/drivers/net/bnxt/bnxt_cpr.c
> +++ b/drivers/net/bnxt/bnxt_cpr.c
> @@ -168,14 +168,9 @@ void bnxt_handle_async_event(struct bnxt *bp,
> PMD_DRV_LOG(INFO, "Port conn async event\n");
> break;
> case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY:
> - /*
> - * Avoid any rx/tx packet processing during firmware reset
> - * operation.
> - */
> - bnxt_stop_rxtx(bp->eth_dev);
> -
> /* Ignore reset notify async events when stopping the port */
> if (!bp->eth_dev->data->dev_started) {
> + bnxt_stop_rxtx(bp->eth_dev);
> bp->flags |= BNXT_FLAG_FATAL_ERROR;
> return;
> }
> @@ -184,6 +179,12 @@ void bnxt_handle_async_event(struct bnxt *bp,
> RTE_ETH_EVENT_ERR_RECOVERING,
> NULL);
>
> + /*
> + * Avoid any rx/tx packet processing during firmware reset
> + * operation.
> + */
> + bnxt_stop_rxtx(bp->eth_dev);
> +
> pthread_mutex_lock(&bp->err_recovery_lock);
> event_data = data1;
> /* timestamp_lo/hi values are in units of 100ms */
> diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
> index 5c4d96d4b1..003a6eec11 100644
> --- a/drivers/net/bnxt/bnxt_ethdev.c
> +++ b/drivers/net/bnxt/bnxt_ethdev.c
> @@ -4616,14 +4616,14 @@ static void bnxt_check_fw_health(void *arg)
> bp->flags |= BNXT_FLAG_FATAL_ERROR;
> bp->flags |= BNXT_FLAG_FW_RESET;
>
> - bnxt_stop_rxtx(bp->eth_dev);
> -
> PMD_DRV_LOG(ERR, "Detected FW dead condition\n");
>
> rte_eth_dev_callback_process(bp->eth_dev,
> RTE_ETH_EVENT_ERR_RECOVERING,
> NULL);
>
> + bnxt_stop_rxtx(bp->eth_dev);
> +
> if (bnxt_is_primary_func(bp))
> wait_msec = info->primary_func_wait_period;
> else
> --
> 2.17.1
>
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next prev parent reply other threads:[~2023-11-02 16:28 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-01 3:06 [PATCH 0/5] fix race-condition of proactive error handling mode Chengwen Feng
2023-03-01 3:06 ` [PATCH 1/5] ethdev: " Chengwen Feng
2023-03-02 12:08 ` Konstantin Ananyev
2023-03-03 16:51 ` Ferruh Yigit
2023-03-05 14:53 ` Konstantin Ananyev
2023-03-06 8:55 ` Ferruh Yigit
2023-03-06 10:22 ` Konstantin Ananyev
2023-03-06 11:00 ` Ferruh Yigit
2023-03-06 11:05 ` Ajit Khaparde
2023-03-06 11:13 ` Konstantin Ananyev
2023-03-07 8:25 ` fengchengwen
2023-03-07 9:52 ` Konstantin Ananyev
2023-03-07 10:11 ` Konstantin Ananyev
2023-03-07 12:07 ` Ferruh Yigit
2023-03-07 12:26 ` fengchengwen
2023-03-07 12:39 ` Konstantin Ananyev
2023-03-09 2:05 ` Ajit Khaparde
2023-03-06 1:41 ` fengchengwen
2023-03-06 8:57 ` Ferruh Yigit
2023-03-06 9:10 ` Ferruh Yigit
2023-03-02 23:30 ` Honnappa Nagarahalli
2023-03-03 0:21 ` Konstantin Ananyev
2023-03-04 5:08 ` Honnappa Nagarahalli
2023-03-05 15:23 ` Konstantin Ananyev
2023-03-07 5:34 ` Honnappa Nagarahalli
2023-03-07 8:39 ` fengchengwen
2023-03-08 1:09 ` Honnappa Nagarahalli
2023-03-09 0:59 ` fengchengwen
2023-03-09 3:03 ` Honnappa Nagarahalli
2023-03-09 11:30 ` fengchengwen
2023-03-10 3:25 ` Honnappa Nagarahalli
2023-03-07 9:56 ` Konstantin Ananyev
2023-03-01 3:06 ` [PATCH 2/5] net/hns3: replace fp ops config function Chengwen Feng
2023-03-02 6:50 ` Dongdong Liu
2023-03-01 3:06 ` [PATCH 3/5] net/bnxt: fix race-condition when report error recovery Chengwen Feng
2023-03-02 12:23 ` Konstantin Ananyev
2023-03-01 3:06 ` [PATCH 4/5] net/bnxt: use fp ops setup function Chengwen Feng
2023-03-02 12:30 ` Konstantin Ananyev
2023-03-03 0:01 ` Konstantin Ananyev
2023-03-03 1:17 ` Ajit Khaparde
2023-03-03 2:02 ` fengchengwen
2023-03-03 1:38 ` fengchengwen
2023-03-05 15:57 ` Konstantin Ananyev
2023-03-06 2:47 ` Ajit Khaparde
2023-03-01 3:06 ` [PATCH 5/5] app/testpmd: add error recovery usage demo Chengwen Feng
2023-03-02 13:01 ` Konstantin Ananyev
2023-03-03 1:49 ` fengchengwen
2023-03-03 16:59 ` Ferruh Yigit
2023-09-21 11:12 ` [PATCH 0/5] fix race-condition of proactive error handling mode Ferruh Yigit
2023-10-07 2:32 ` fengchengwen
2023-10-20 10:07 ` [PATCH v2 0/7] " Chengwen Feng
2023-10-20 10:07 ` [PATCH v2 1/7] ethdev: " Chengwen Feng
2023-11-01 3:39 ` lihuisong (C)
2023-10-20 10:07 ` [PATCH v2 2/7] net/hns3: replace fp ops config function Chengwen Feng
2023-11-01 3:40 ` lihuisong (C)
2023-11-02 10:34 ` Konstantin Ananyev
2023-10-20 10:07 ` [PATCH v2 3/7] net/bnxt: fix race-condition when report error recovery Chengwen Feng
2023-11-02 16:28 ` Ajit Khaparde [this message]
2023-10-20 10:07 ` [PATCH v2 4/7] net/bnxt: use fp ops setup function Chengwen Feng
2023-11-01 3:48 ` lihuisong (C)
2023-11-02 10:34 ` Konstantin Ananyev
2023-11-02 16:29 ` Ajit Khaparde
2023-10-20 10:07 ` [PATCH v2 5/7] app/testpmd: add error recovery usage demo Chengwen Feng
2023-11-01 4:08 ` lihuisong (C)
2023-11-06 13:01 ` fengchengwen
2023-10-20 10:07 ` [PATCH v2 6/7] app/testpmd: extract event handling to event.c Chengwen Feng
2023-11-01 4:09 ` lihuisong (C)
2023-10-20 10:07 ` [PATCH v2 7/7] doc: testpmd support event handling section Chengwen Feng
2023-11-06 9:28 ` lihuisong (C)
2023-11-06 12:39 ` fengchengwen
2023-11-08 3:02 ` lihuisong (C)
2023-11-06 1:35 ` [PATCH v2 0/7] fix race-condition of proactive error handling mode fengchengwen
2023-11-06 13:11 ` [PATCH v3 " Chengwen Feng
2023-11-06 13:11 ` [PATCH v3 1/7] ethdev: " Chengwen Feng
2023-11-06 13:11 ` [PATCH v3 2/7] net/hns3: replace fp ops config function Chengwen Feng
2023-11-06 13:11 ` [PATCH v3 3/7] net/bnxt: fix race-condition when report error recovery Chengwen Feng
2023-11-06 13:11 ` [PATCH v3 4/7] net/bnxt: use fp ops setup function Chengwen Feng
2023-11-06 13:11 ` [PATCH v3 5/7] app/testpmd: add error recovery usage demo Chengwen Feng
2023-11-06 13:11 ` [PATCH v3 6/7] app/testpmd: extract event handling to event.c Chengwen Feng
2023-11-06 13:11 ` [PATCH v3 7/7] doc: testpmd support event handling section Chengwen Feng
2023-11-08 3:03 ` lihuisong (C)
2023-12-05 2:30 ` [PATCH v3 0/7] fix race-condition of proactive error handling mode fengchengwen
2024-01-15 1:44 ` fengchengwen
2024-01-29 1:16 ` fengchengwen
2024-02-18 3:41 ` fengchengwen
2024-05-08 9:22 ` fengchengwen
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