[PATCH] eventdev/eth_tx: fix queue delete

[Jerin Jacob]

On Thu, Jun 23, 2022 at 8:29 PM Jayatheerthan, Jay
<jay.jayatheerthan at intel.com> wrote:
>
> Looks good to me.
>
> Acked-by: Jay Jayatheerthan <jay.jayatheerthan at 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 at intel.com>
> > Sent: Thursday, June 23, 2022 3:35 PM
> > To: Jayatheerthan, Jay <jay.jayatheerthan at intel.com>; jerinj at marvell.com
> > Cc: dev at dpdk.org; stable at 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 at dpdk.org
> >
> > Signed-off-by: Naga Harish K S V <s.v.naga.harish.k at 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
>