[PATCH 1/2] eventdev/eth_tx: add spinlock for adapter start/stop

[Naga Harish K, S V]

Hi Jerin,
   This patch set is acked by maintainers.
Please review and do the needful.

-Harish

> -----Original Message-----
> From: Jayatheerthan, Jay <jay.jayatheerthan at intel.com>
> Sent: Monday, August 1, 2022 12:23 PM
> To: Naga Harish K, S V <s.v.naga.harish.k at intel.com>; jerinj at marvell.com
> Cc: dev at dpdk.org; stable at dpdk.org
> Subject: RE: [PATCH 1/2] eventdev/eth_tx: add spinlock for adapter
> start/stop
> 
> > -----Original Message-----
> > From: Naga Harish K, S V <s.v.naga.harish.k at intel.com>
> > Sent: Tuesday, July 26, 2022 9:52 AM
> > To: Jayatheerthan, Jay <jay.jayatheerthan at intel.com>;
> > jerinj at marvell.com
> > Cc: dev at dpdk.org; stable at dpdk.org
> > Subject: [PATCH 1/2] eventdev/eth_tx: add spinlock for adapter
> > start/stop
> >
> > add spinlock protection for tx adapter stop and start APIs add null
> > check for tx adapter service pointer in adapter start/stop apis.
> >
> > 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 | 7 +++++--
> >  1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/lib/eventdev/rte_event_eth_tx_adapter.c
> > b/lib/eventdev/rte_event_eth_tx_adapter.c
> > index a237e8edba..3251dad61f 100644
> > --- a/lib/eventdev/rte_event_eth_tx_adapter.c
> > +++ b/lib/eventdev/rte_event_eth_tx_adapter.c
> > @@ -44,7 +44,7 @@
> >  #define RTE_EVENT_ETH_TX_ADAPTER_ID_VALID_OR_ERR_RET(id, retval)
> \
> > do { \
> >  	if (!txa_valid_id(id)) { \
> > -		RTE_EDEV_LOG_ERR("Invalid eth Rx adapter id = %d", id); \
> > +		RTE_EDEV_LOG_ERR("Invalid eth Tx adapter id = %d", id); \
> >  		return retval; \
> >  	} \
> >  } while (0)
> > @@ -468,10 +468,13 @@ txa_service_ctrl(uint8_t id, int start)
> >  	struct txa_service_data *txa;
> >
> >  	txa = txa_service_id_to_data(id);
> > -	if (txa->service_id == TXA_INVALID_SERVICE_ID)
> > +	if (txa == NULL || txa->service_id == TXA_INVALID_SERVICE_ID)
> >  		return 0;
> >
> > +	rte_spinlock_lock(&txa->tx_lock);
> >  	ret = rte_service_runstate_set(txa->service_id, start);
> > +	rte_spinlock_unlock(&txa->tx_lock);
> > +
> >  	if (ret == 0 && !start) {
> >  		while (rte_service_may_be_active(txa->service_id))
> >  			rte_pause();
> > --
> > 2.23.0
> 
> There are three different changes in this patch. But since they are quite
> small, it should be ok.
> 
> Acked-by: Jay Jayatheerthan <jay.jayatheerthan at intel.com>