Re: [dpdk-dev] [PATCH v2] i40e: fixed tx packets stats bug

["Liu, Jijiang" <jijiang.liu@intel.com>]

This patch V2  updated commit log.

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of zhida zang
> Sent: Thursday, November 20, 2014 4:40 PM
> To: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH v2] i40e: fixed tx packets stats bug
> 
> From: zzang <zhida.zang@intel.com>
> 
> i40e only count tx packets that sent by pf. But in some condition packet can be
> sent by NIC without being counted by pf. So count vsi tx packets instead.
> 
> Signed-off-by: zhida zang <zhida.zang@intel.com>
> ---
>  lib/librte_pmd_i40e/i40e_ethdev.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c
> b/lib/librte_pmd_i40e/i40e_ethdev.c
> index 4b7a827..c1ea37e 100644
> --- a/lib/librte_pmd_i40e/i40e_ethdev.c
> +++ b/lib/librte_pmd_i40e/i40e_ethdev.c
> @@ -1102,6 +1102,7 @@ i40e_dev_stats_get(struct rte_eth_dev *dev, struct
> rte_eth_stats *stats)
>  	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data-
> >dev_private);
>  	struct i40e_hw_port_stats *ns = &pf->stats; /* new stats */
>  	struct i40e_hw_port_stats *os = &pf->stats_offset; /* old stats */
> +	struct i40e_eth_stats *ves = &pf->main_vsi->eth_stats; /* vsi stats */
> 
>  	/* Get statistics of struct i40e_eth_stats */
>  	i40e_stat_update_48(hw, I40E_GLPRT_GORCH(hw->port), @@ -1277,15
> +1278,18 @@ i40e_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats
> *stats)
>  	/* GLPRT_MSPDC not supported */
>  	/* GLPRT_XEC not supported */
> 
> -	pf->offset_loaded = true;
> -
>  	if (pf->main_vsi)
>  		i40e_update_vsi_stats(pf->main_vsi);
> 
>  	stats->ipackets = ns->eth.rx_unicast + ns->eth.rx_multicast +
>  						ns->eth.rx_broadcast;
> -	stats->opackets = ns->eth.tx_unicast + ns->eth.tx_multicast +
> +	if (pf->offset_loaded)
> +		stats->opackets = ves->tx_unicast + ves->tx_multicast +
> +						ves->tx_broadcast;
> +	else
> +		stats->opackets = ns->eth.tx_unicast + ns->eth.tx_multicast +
>  						ns->eth.tx_broadcast;
> +	pf->offset_loaded = true;
>  	stats->ibytes   = ns->eth.rx_bytes;
>  	stats->obytes   = ns->eth.tx_bytes;
>  	stats->oerrors  = ns->eth.tx_errors;
> --
> 1.9.3

Acked-by: Jijiang Liu < Jijiang.liu@intel.com>