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* [PATCH iwl-next v1] i40e: Clear stats after deleting tc
@ 2023-07-24  9:43 Jedrzej Jagielski
  2023-07-25 12:25 ` Simon Horman
  0 siblings, 1 reply; 3+ messages in thread
From: Jedrzej Jagielski @ 2023-07-24  9:43 UTC (permalink / raw)
  To: intel-wired-lan
  Cc: netdev, anthony.l.nguyen, Grzegorz Szczurek, Jedrzej Jagielski

From: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>

There was an issue with ethtool stats that
have not been cleared after tc had been deleted.

Fix this by resetting stats after deleting tc
by calling i40e_vsi_reset_stats() function after
distroying qdisc.

Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 29ad1797adce..6f604bfe7437 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -5885,6 +5885,11 @@ static int i40e_vsi_config_tc(struct i40e_vsi *vsi, u8 enabled_tc)
 
 	/* Update the netdev TC setup */
 	i40e_vsi_config_netdev_tc(vsi, enabled_tc);
+
+	/* After distroying qdisc reset all stats of the vsi */
+	if (!vsi->mqprio_qopt.qopt.hw)
+		i40e_vsi_reset_stats(vsi);
+
 out:
 	return ret;
 }
-- 
2.31.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH iwl-next v1] i40e: Clear stats after deleting tc
  2023-07-24  9:43 [PATCH iwl-next v1] i40e: Clear stats after deleting tc Jedrzej Jagielski
@ 2023-07-25 12:25 ` Simon Horman
  2023-07-26  9:23   ` Jagielski, Jedrzej
  0 siblings, 1 reply; 3+ messages in thread
From: Simon Horman @ 2023-07-25 12:25 UTC (permalink / raw)
  To: Jedrzej Jagielski
  Cc: intel-wired-lan, netdev, anthony.l.nguyen, Grzegorz Szczurek

On Mon, Jul 24, 2023 at 11:43:19AM +0200, Jedrzej Jagielski wrote:
> From: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
> 
> There was an issue with ethtool stats that
> have not been cleared after tc had been deleted.

I think it would be good to elaborate on what the issue is,
perhaps with an example. I think this should be added to
the patch description.

> Fix this by resetting stats after deleting tc
> by calling i40e_vsi_reset_stats() function after
> distroying qdisc.
> 
> Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
> Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
> ---
>  drivers/net/ethernet/intel/i40e/i40e_main.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
> index 29ad1797adce..6f604bfe7437 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> @@ -5885,6 +5885,11 @@ static int i40e_vsi_config_tc(struct i40e_vsi *vsi, u8 enabled_tc)
>  
>  	/* Update the netdev TC setup */
>  	i40e_vsi_config_netdev_tc(vsi, enabled_tc);
> +
> +	/* After distroying qdisc reset all stats of the vsi */

nit: distroying -> destroying

> +	if (!vsi->mqprio_qopt.qopt.hw)
> +		i40e_vsi_reset_stats(vsi);
> +
>  out:
>  	return ret;
>  }

-- 
pw-bot: changes-requested

^ permalink raw reply	[flat|nested] 3+ messages in thread

* RE: [PATCH iwl-next v1] i40e: Clear stats after deleting tc
  2023-07-25 12:25 ` Simon Horman
@ 2023-07-26  9:23   ` Jagielski, Jedrzej
  0 siblings, 0 replies; 3+ messages in thread
From: Jagielski, Jedrzej @ 2023-07-26  9:23 UTC (permalink / raw)
  To: Simon Horman
  Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
	Nguyen, Anthony L, Grzegorz Szczurek

From: Simon Horman <simon.horman@corigine.com> 
Sent: Tue, 25 July 2023 14:25
>On Mon, Jul 24, 2023 at 11:43:19AM +0200, Jedrzej Jagielski wrote:
>> From: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
>> 
>> There was an issue with ethtool stats that
>> have not been cleared after tc had been deleted.
>
>I think it would be good to elaborate on what the issue is,
>perhaps with an example. I think this should be added to
>the patch description.

OK, I will provide more details

>
>> Fix this by resetting stats after deleting tc
>> by calling i40e_vsi_reset_stats() function after
>> distroying qdisc.
>> 
>> Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
>> Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
>> ---
>>  drivers/net/ethernet/intel/i40e/i40e_main.c | 5 +++++
>>  1 file changed, 5 insertions(+)
>> 
>> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
>> index 29ad1797adce..6f604bfe7437 100644
>> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
>> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
>> @@ -5885,6 +5885,11 @@ static int i40e_vsi_config_tc(struct i40e_vsi *vsi, u8 enabled_tc)
>>  
>>  	/* Update the netdev TC setup */
>>  	i40e_vsi_config_netdev_tc(vsi, enabled_tc);
>> +
>> +	/* After distroying qdisc reset all stats of the vsi */
>
>nit: distroying -> destroying

Thanks for catching that

>
>> +	if (!vsi->mqprio_qopt.qopt.hw)
>> +		i40e_vsi_reset_stats(vsi);
>> +
>>  out:
>>  	return ret;
>>  }
>
>-- 
>pw-bot: changes-requested

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-07-26  9:23 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2023-07-24  9:43 [PATCH iwl-next v1] i40e: Clear stats after deleting tc Jedrzej Jagielski
2023-07-25 12:25 ` Simon Horman
2023-07-26  9:23   ` Jagielski, Jedrzej

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