[PATCH] eventdev: fix missing internal port checks

[Naga Harish K, S V]

The patch looks good to me.

> -----Original Message-----
> From: Jayatheerthan, Jay <jay.jayatheerthan at intel.com>
> Sent: Tuesday, December 14, 2021 11:23 AM
> To: pbhagavatula at marvell.com; jerinj at marvell.com; Naga Harish K, S V
> <s.v.naga.harish.k at intel.com>
> Cc: dev at dpdk.org
> Subject: RE: [PATCH] eventdev: fix missing internal port checks
> 
> @Harish, could you take a look at this please ?
> 
> -Jay
> 
> 
> > -----Original Message-----
> > From: pbhagavatula at marvell.com <pbhagavatula at marvell.com>
> > Sent: Monday, December 13, 2021 2:02 PM
> > To: jerinj at marvell.com; Jayatheerthan, Jay
> > <jay.jayatheerthan at intel.com>
> > Cc: dev at dpdk.org; Pavan Nikhilesh <pbhagavatula at marvell.com>
> > Subject: [PATCH] eventdev: fix missing internal port checks
> >
> > From: Pavan Nikhilesh <pbhagavatula at marvell.com>
> >
> > When event delivery is through internal port, stats are mainitained by
> > HW and we should avoid reading SW data structures for stats.
> > Fix missing internal port checks.
> >
> > Fixes: 995b150c1ae1 ("eventdev/eth_rx: add queue stats API")
> >
> > Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
> > ---
> >  lib/eventdev/rte_event_eth_rx_adapter.c | 24 ++++++++++++++----------
> >  1 file changed, 14 insertions(+), 10 deletions(-)
> >
> > diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c
> > b/lib/eventdev/rte_event_eth_rx_adapter.c
> > index 809416d9b7..da223aacac 100644
> > --- a/lib/eventdev/rte_event_eth_rx_adapter.c
> > +++ b/lib/eventdev/rte_event_eth_rx_adapter.c
> > @@ -2984,15 +2984,17 @@
> rte_event_eth_rx_adapter_queue_stats_get(uint8_t id,
> >  		return -EINVAL;
> >  	}
> >
> > -	queue_info = &dev_info->rx_queue[rx_queue_id];
> > -	event_buf = queue_info->event_buf;
> > -	q_stats = queue_info->stats;
> > +	if (dev_info->internal_event_port == 0) {
> > +		queue_info = &dev_info->rx_queue[rx_queue_id];
> > +		event_buf = queue_info->event_buf;
> > +		q_stats = queue_info->stats;
> >
> > -	stats->rx_event_buf_count = event_buf->count;
> > -	stats->rx_event_buf_size = event_buf->events_size;
> > -	stats->rx_packets = q_stats->rx_packets;
> > -	stats->rx_poll_count = q_stats->rx_poll_count;
> > -	stats->rx_dropped = q_stats->rx_dropped;
> > +		stats->rx_event_buf_count = event_buf->count;
> > +		stats->rx_event_buf_size = event_buf->events_size;
> > +		stats->rx_packets = q_stats->rx_packets;
> > +		stats->rx_poll_count = q_stats->rx_poll_count;
> > +		stats->rx_dropped = q_stats->rx_dropped;
> > +	}
> >
> >  	dev = &rte_eventdevs[rx_adapter->eventdev_id];
> >  	if (dev->dev_ops->eth_rx_adapter_queue_stats_get != NULL) { @@
> > -3086,8 +3088,10 @@
> rte_event_eth_rx_adapter_queue_stats_reset(uint8_t id,
> >  		return -EINVAL;
> >  	}
> >
> > -	queue_info = &dev_info->rx_queue[rx_queue_id];
> > -	rxa_queue_stats_reset(queue_info);
> > +	if (dev_info->internal_event_port == 0) {
> > +		queue_info = &dev_info->rx_queue[rx_queue_id];
> > +		rxa_queue_stats_reset(queue_info);
> > +	}
> >
> >  	dev = &rte_eventdevs[rx_adapter->eventdev_id];
> >  	if (dev->dev_ops->eth_rx_adapter_queue_stats_reset != NULL) {
> > --
> > 2.34.0