[dpdk-dev] [PATCH] net/fm10k: add imissed stats

[Meunier, Julien (Nokia - FR/Paris-Saclay)]

Sorry the delay. False alert, I thought that imissed was counted also in ipackets, but it's not the case :)

So you can integrate this patch.

Thanks in advance !

--
Julien Meunier

> -----Original Message-----
> From: Meunier, Julien (Nokia - FR/Paris-Saclay)
> Sent: Tuesday, September 11, 2018 10:22 AM
> To: Wang, Xiao W <xiao.w.wang at intel.com>; Zhang, Qi Z
> <qi.z.zhang at intel.com>
> Cc: dev at dpdk.org
> Subject: RE: [PATCH] net/fm10k: add imissed stats
> 
> Hi,
> 
> Please, do not merge this patch. I need to check and readapt this patch. A
> version 2 will be sent later.
> 
> Thanks,
> 
> --
> Julien Meunier
> 
> > -----Original Message-----
> > From: Wang, Xiao W <xiao.w.wang at intel.com>
> > Sent: Tuesday, September 11, 2018 3:52 AM
> > To: Meunier, Julien (Nokia - FR/Paris-Saclay)
> > <julien.meunier at nokia.com>; Zhang, Qi Z <qi.z.zhang at intel.com>
> > Cc: dev at dpdk.org
> > Subject: RE: [PATCH] net/fm10k: add imissed stats
> >
> > Hi,
> >
> > -----Original Message-----
> > From: Julien Meunier [mailto:julien.meunier at nokia.com]
> > Sent: Monday, September 10, 2018 11:51 PM
> > To: Zhang, Qi Z <qi.z.zhang at intel.com>; Wang, Xiao W
> > <xiao.w.wang at intel.com>
> > Cc: dev at dpdk.org
> > Subject: [PATCH] net/fm10k: add imissed stats
> >
> > Add support of imissed and q_errors statistics, reported by PCIE_QPRDC
> > register (see datasheet, section 11.27.2.60), which exposes the number
> > of receive packets dropped for a queue.
> >
> > Signed-off-by: Julien Meunier <julien.meunier at nokia.com>
> > ---
> >  drivers/net/fm10k/fm10k_ethdev.c | 7 +++++--
> >  1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/fm10k/fm10k_ethdev.c
> > b/drivers/net/fm10k/fm10k_ethdev.c
> > index 541a49b..a9af6c2 100644
> > --- a/drivers/net/fm10k/fm10k_ethdev.c
> > +++ b/drivers/net/fm10k/fm10k_ethdev.c
> > @@ -1325,7 +1325,7 @@ fm10k_xstats_get(struct rte_eth_dev *dev, struct
> > rte_eth_xstat *xstats,  static int  fm10k_stats_get(struct rte_eth_dev
> > *dev, struct rte_eth_stats *stats)  {
> > -	uint64_t ipackets, opackets, ibytes, obytes;
> > +	uint64_t ipackets, opackets, ibytes, obytes, imissed;
> >  	struct fm10k_hw *hw =
> >  		FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> >  	struct fm10k_hw_stats *hw_stats =
> > @@ -1336,22 +1336,25 @@ fm10k_stats_get(struct rte_eth_dev *dev,
> > struct rte_eth_stats *stats)
> >
> >  	fm10k_update_hw_stats(hw, hw_stats);
> >
> > -	ipackets = opackets = ibytes = obytes = 0;
> > +	ipackets = opackets = ibytes = obytes = imissed = 0;
> >  	for (i = 0; (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) &&
> >  		(i < hw->mac.max_queues); ++i) {
> >  		stats->q_ipackets[i] = hw_stats->q[i].rx_packets.count;
> >  		stats->q_opackets[i] = hw_stats->q[i].tx_packets.count;
> >  		stats->q_ibytes[i]   = hw_stats->q[i].rx_bytes.count;
> >  		stats->q_obytes[i]   = hw_stats->q[i].tx_bytes.count;
> > +		stats->q_errors[i]   = hw_stats->q[i].rx_drops.count;
> >  		ipackets += stats->q_ipackets[i];
> >  		opackets += stats->q_opackets[i];
> >  		ibytes   += stats->q_ibytes[i];
> >  		obytes   += stats->q_obytes[i];
> > +		imissed  += stats->q_errors[i];
> >  	}
> >  	stats->ipackets = ipackets;
> >  	stats->opackets = opackets;
> >  	stats->ibytes = ibytes;
> >  	stats->obytes = obytes;
> > +	stats->imissed = imissed;
> >  	return 0;
> >  }
> >
> > Acked-by: Xiao Wang <xiao.w.wang at intel.com>
> >
> >
> > --
> > 2.10.2