Re: [dpdk-stable] [dpdk-dev] [PATCH] net/iavf: fix stats reset

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 4/22/2019 3:18 AM, Qiming Yang wrote:
> stats_reset has been missed when support stats in iavf driver.
> This patch add statistics reset function.
> 
> Fixes: f4a41a6953af ("net/avf: support stats")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Qiming Yang <qiming.yang@intel.com>

<...>

> @@ -977,16 +979,71 @@ iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
>  	return 0;
>  }
>  
> +static void
> +iavf_stat_update_48(uint64_t *offset,
> +		   uint64_t *stat)
> +{
> +	if (*stat >= *offset)
> +		*stat = *stat - *offset;
> +	else
> +		*stat = (uint64_t)((*stat +
> +			((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
> +
> +	*stat &= IAVF_48_BIT_MASK;
> +}
> +
> +static void
> +iavf_stat_update_32(uint64_t *offset,
> +		   uint64_t *stat)
> +{
> +	if (*stat >= *offset)
> +		*stat = (uint64_t)(*stat - *offset);
> +	else
> +		*stat = (uint64_t)((*stat +
> +			((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
> +}
> +
> +static void
> +iavf_update_stats(struct iavf_vsi *vsi,
> +					struct virtchnl_eth_stats *nes)

This syntax looks odd, will fix while merging, similar to above functions, no
need to break parameter lines into multiple line, will update them too.