On 8/9/2016 3:07 AM, Wei Zhao1 wrote:
> rx_good_bytes and rx_good_packets statistic is inconsistent when port
> stopped,ipackets statistic is minus the discard packets but rx_bytes
> statistic not,but i40e has no statistic of discard bytes.So we check
> "dev_started" flag, if the port is started we do the statistic work,if
> stopped we don't.We can avoid the statistic inconsistent
> problem by this way.
>
> Fixes: 9aace75fc82e ("i40e: fix statistics")
>
> Signed-off-by: Wei Zhao1 <wei.zhao1 at intel.com>
> ---
> drivers/net/i40e/i40e_ethdev.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
> index d0aeb70..47ed6e9 100644
> --- a/drivers/net/i40e/i40e_ethdev.c
> +++ b/drivers/net/i40e/i40e_ethdev.c
> @@ -2315,7 +2315,8 @@ i40e_dev_stats_get(struct rte_eth_dev *dev, struct
> rte_eth_stats *stats)
> unsigned i;
>
> /* call read registers - updates values, now write them to struct */
> - i40e_read_stats_registers(pf, hw);
> + if (dev->data->dev_started == 1)
> + i40e_read_stats_registers(pf, hw);
>
> stats->ipackets = pf->main_vsi->eth_stats.rx_unicast +
> pf->main_vsi->eth_stats.rx_multicast +
> @@ -2494,7 +2495,8 @@ i40e_dev_xstats_get(struct rte_eth_dev *dev, struct
> rte_eth_xstat *xstats,
> if (n < count)
> return count;
>
> - i40e_read_stats_registers(pf, hw);
> + if (dev->data->dev_started == 1)
> + i40e_read_stats_registers(pf, hw);
>
> if (xstats == NULL)
> return 0;
>
+cc i40e maintainers, can you please review the code?
