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* [PATCH] event/cnxk: add preliminary Tx queue depth check
@ 2022-08-16 15:35 pbhagavatula
  2022-09-14 12:58 ` Jerin Jacob
  0 siblings, 1 reply; 2+ messages in thread
From: pbhagavatula @ 2022-08-16 15:35 UTC (permalink / raw)
  To: jerinj, Pavan Nikhilesh, Shijith Thotton; +Cc: dev

From: Pavan Nikhilesh <pbhagavatula@marvell.com>

add preliminary Tx queue depth check and return on failure.
Once the check passes, tx_adapter_enqueue() function becomes
a blocking call till it succeeds.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
 drivers/event/cnxk/cn10k_worker.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/event/cnxk/cn10k_worker.h b/drivers/event/cnxk/cn10k_worker.h
index 0915f404e0..a71e076ff8 100644
--- a/drivers/event/cnxk/cn10k_worker.h
+++ b/drivers/event/cnxk/cn10k_worker.h
@@ -655,6 +655,11 @@ cn10k_sso_hws_event_tx(struct cn10k_sso_hws *ws, struct rte_event *ev,
 	}

 	m = ev->mbuf;
+	txq = cn10k_sso_hws_xtract_meta(m, txq_data);
+	if (((txq->nb_sqb_bufs_adj -
+	      __atomic_load_n((int16_t *)txq->fc_mem, __ATOMIC_RELAXED))
+	     << txq->sqes_per_sqb_log2) <= 0)
+		return 0;
 	cn10k_sso_tx_one(ws, m, cmd, lmt_id, lmt_addr, ev->sched_type, txq_data,
 			 flags);

--
2.25.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] event/cnxk: add preliminary Tx queue depth check
  2022-08-16 15:35 [PATCH] event/cnxk: add preliminary Tx queue depth check pbhagavatula
@ 2022-09-14 12:58 ` Jerin Jacob
  0 siblings, 0 replies; 2+ messages in thread
From: Jerin Jacob @ 2022-09-14 12:58 UTC (permalink / raw)
  To: pbhagavatula; +Cc: jerinj, Shijith Thotton, dev

On Tue, Aug 16, 2022 at 9:05 PM <pbhagavatula@marvell.com> wrote:
>
> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>
> add preliminary Tx queue depth check and return on failure.
> Once the check passes, tx_adapter_enqueue() function becomes
> a blocking call till it succeeds.
>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>

Applied to dpdk-next-net-eventdev/for-main. Thanks

> ---
>  drivers/event/cnxk/cn10k_worker.h | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/event/cnxk/cn10k_worker.h b/drivers/event/cnxk/cn10k_worker.h
> index 0915f404e0..a71e076ff8 100644
> --- a/drivers/event/cnxk/cn10k_worker.h
> +++ b/drivers/event/cnxk/cn10k_worker.h
> @@ -655,6 +655,11 @@ cn10k_sso_hws_event_tx(struct cn10k_sso_hws *ws, struct rte_event *ev,
>         }
>
>         m = ev->mbuf;
> +       txq = cn10k_sso_hws_xtract_meta(m, txq_data);
> +       if (((txq->nb_sqb_bufs_adj -
> +             __atomic_load_n((int16_t *)txq->fc_mem, __ATOMIC_RELAXED))
> +            << txq->sqes_per_sqb_log2) <= 0)
> +               return 0;
>         cn10k_sso_tx_one(ws, m, cmd, lmt_id, lmt_addr, ev->sched_type, txq_data,
>                          flags);
>
> --
> 2.25.1
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2022-09-14 12:59 UTC | newest]

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2022-09-14 12:58 ` Jerin Jacob

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