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* [PATCH] eventdev/eth_tx: fix queue delete
@ 2022-06-23 10:05 Naga Harish K S V
  2022-06-23 14:59 ` Jayatheerthan, Jay
  0 siblings, 1 reply; 3+ messages in thread
From: Naga Harish K S V @ 2022-06-23 10:05 UTC (permalink / raw)
  To: jay.jayatheerthan, jerinj; +Cc: dev, stable

Add spinlock protection in queue delete function.
This protects the data path while the queue delete operation
is in progress.

Fixes: a3bbf2e09756 ("eventdev: add eth Tx adapter implementation")
Cc: stable@dpdk.org

Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>
---
 lib/eventdev/rte_event_eth_tx_adapter.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/eventdev/rte_event_eth_tx_adapter.c b/lib/eventdev/rte_event_eth_tx_adapter.c
index c700fb7b1f..b4b37f1cae 100644
--- a/lib/eventdev/rte_event_eth_tx_adapter.c
+++ b/lib/eventdev/rte_event_eth_tx_adapter.c
@@ -891,9 +891,10 @@ txa_service_queue_del(uint8_t id,
 
 	txa = txa_service_id_to_data(id);
 
+	rte_spinlock_lock(&txa->tx_lock);
 	tqi = txa_service_queue(txa, port_id, tx_queue_id);
 	if (tqi == NULL || !tqi->added)
-		return 0;
+		goto ret_unlock;
 
 	tb = tqi->tx_buf;
 	tqi->added = 0;
@@ -903,6 +904,9 @@ txa_service_queue_del(uint8_t id,
 	txa->txa_ethdev[port_id].nb_queues--;
 
 	txa_service_queue_array_free(txa, port_id);
+
+ret_unlock:
+	rte_spinlock_unlock(&txa->tx_lock);
 	return 0;
 }
 
-- 
2.25.1


^ permalink raw reply	[flat|nested] 3+ messages in thread

* RE: [PATCH] eventdev/eth_tx: fix queue delete
  2022-06-23 10:05 [PATCH] eventdev/eth_tx: fix queue delete Naga Harish K S V
@ 2022-06-23 14:59 ` Jayatheerthan, Jay
  2022-07-04 16:08   ` Jerin Jacob
  0 siblings, 1 reply; 3+ messages in thread
From: Jayatheerthan, Jay @ 2022-06-23 14:59 UTC (permalink / raw)
  To: Naga Harish K, S V, jerinj; +Cc: dev, stable

Looks good to me.

Acked-by: Jay Jayatheerthan <jay.jayatheerthan@intel.com>

-Jay



> -----Original Message-----
> From: Naga Harish K, S V <s.v.naga.harish.k@intel.com>
> Sent: Thursday, June 23, 2022 3:35 PM
> To: Jayatheerthan, Jay <jay.jayatheerthan@intel.com>; jerinj@marvell.com
> Cc: dev@dpdk.org; stable@dpdk.org
> Subject: [PATCH] eventdev/eth_tx: fix queue delete
> 
> Add spinlock protection in queue delete function.
> This protects the data path while the queue delete operation
> is in progress.
> 
> Fixes: a3bbf2e09756 ("eventdev: add eth Tx adapter implementation")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>
> ---
>  lib/eventdev/rte_event_eth_tx_adapter.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/eventdev/rte_event_eth_tx_adapter.c b/lib/eventdev/rte_event_eth_tx_adapter.c
> index c700fb7b1f..b4b37f1cae 100644
> --- a/lib/eventdev/rte_event_eth_tx_adapter.c
> +++ b/lib/eventdev/rte_event_eth_tx_adapter.c
> @@ -891,9 +891,10 @@ txa_service_queue_del(uint8_t id,
> 
>  	txa = txa_service_id_to_data(id);
> 
> +	rte_spinlock_lock(&txa->tx_lock);
>  	tqi = txa_service_queue(txa, port_id, tx_queue_id);
>  	if (tqi == NULL || !tqi->added)
> -		return 0;
> +		goto ret_unlock;
> 
>  	tb = tqi->tx_buf;
>  	tqi->added = 0;
> @@ -903,6 +904,9 @@ txa_service_queue_del(uint8_t id,
>  	txa->txa_ethdev[port_id].nb_queues--;
> 
>  	txa_service_queue_array_free(txa, port_id);
> +
> +ret_unlock:
> +	rte_spinlock_unlock(&txa->tx_lock);
>  	return 0;
>  }
> 
> --
> 2.25.1


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] eventdev/eth_tx: fix queue delete
  2022-06-23 14:59 ` Jayatheerthan, Jay
@ 2022-07-04 16:08   ` Jerin Jacob
  0 siblings, 0 replies; 3+ messages in thread
From: Jerin Jacob @ 2022-07-04 16:08 UTC (permalink / raw)
  To: Jayatheerthan, Jay; +Cc: Naga Harish K, S V, jerinj, dev, stable

On Thu, Jun 23, 2022 at 8:29 PM Jayatheerthan, Jay
<jay.jayatheerthan@intel.com> wrote:
>
> Looks good to me.
>
> Acked-by: Jay Jayatheerthan <jay.jayatheerthan@intel.com>


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

>
> -Jay
>
>
>
> > -----Original Message-----
> > From: Naga Harish K, S V <s.v.naga.harish.k@intel.com>
> > Sent: Thursday, June 23, 2022 3:35 PM
> > To: Jayatheerthan, Jay <jay.jayatheerthan@intel.com>; jerinj@marvell.com
> > Cc: dev@dpdk.org; stable@dpdk.org
> > Subject: [PATCH] eventdev/eth_tx: fix queue delete
> >
> > Add spinlock protection in queue delete function.
> > This protects the data path while the queue delete operation
> > is in progress.
> >
> > Fixes: a3bbf2e09756 ("eventdev: add eth Tx adapter implementation")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>
> > ---
> >  lib/eventdev/rte_event_eth_tx_adapter.c | 6 +++++-
> >  1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/lib/eventdev/rte_event_eth_tx_adapter.c b/lib/eventdev/rte_event_eth_tx_adapter.c
> > index c700fb7b1f..b4b37f1cae 100644
> > --- a/lib/eventdev/rte_event_eth_tx_adapter.c
> > +++ b/lib/eventdev/rte_event_eth_tx_adapter.c
> > @@ -891,9 +891,10 @@ txa_service_queue_del(uint8_t id,
> >
> >       txa = txa_service_id_to_data(id);
> >
> > +     rte_spinlock_lock(&txa->tx_lock);
> >       tqi = txa_service_queue(txa, port_id, tx_queue_id);
> >       if (tqi == NULL || !tqi->added)
> > -             return 0;
> > +             goto ret_unlock;
> >
> >       tb = tqi->tx_buf;
> >       tqi->added = 0;
> > @@ -903,6 +904,9 @@ txa_service_queue_del(uint8_t id,
> >       txa->txa_ethdev[port_id].nb_queues--;
> >
> >       txa_service_queue_array_free(txa, port_id);
> > +
> > +ret_unlock:
> > +     rte_spinlock_unlock(&txa->tx_lock);
> >       return 0;
> >  }
> >
> > --
> > 2.25.1
>

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2022-07-04 16:08 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-06-23 10:05 [PATCH] eventdev/eth_tx: fix queue delete Naga Harish K S V
2022-06-23 14:59 ` Jayatheerthan, Jay
2022-07-04 16:08   ` Jerin Jacob

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