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

["Meunier, Julien (Nokia - FR/Paris-Saclay)" <julien.meunier@nokia.com>]

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@intel.com>
> Sent: Tuesday, September 11, 2018 3:52 AM
> To: Meunier, Julien (Nokia - FR/Paris-Saclay) <julien.meunier@nokia.com>;
> Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org
> Subject: RE: [PATCH] net/fm10k: add imissed stats
> 
> Hi,
> 
> -----Original Message-----
> From: Julien Meunier [mailto:julien.meunier@nokia.com]
> Sent: Monday, September 10, 2018 11:51 PM
> To: Zhang, Qi Z <qi.z.zhang@intel.com>; Wang, Xiao W
> <xiao.w.wang@intel.com>
> Cc: dev@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@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@intel.com>
> 
> 
> --
> 2.10.2