netdev - Re: [PATCH net-next v2 9/9] net/sched: TC, support per action stats

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Date:   Mon, 6 Feb 2023 15:10:02 +0200
From:   Roi Dayan <roid@...dia.com>
To:     Simon Horman <simon.horman@...igine.com>,
        Oz Shlomo <ozsh@...dia.com>
Cc:     netdev@...r.kernel.org, Saeed Mahameed <saeedm@...dia.com>,
        Jiri Pirko <jiri@...dia.com>,
        Marcelo Ricardo Leitner <mleitner@...hat.com>,
        Baowen Zheng <baowen.zheng@...igine.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Edward Cree <ecree.xilinx@...il.com>
Subject: Re: [PATCH net-next v2 9/9] net/sched: TC, support per action stats



On 06/02/2023 13:03, Simon Horman wrote:
> On Sun, Feb 05, 2023 at 03:55:25PM +0200, Oz Shlomo wrote:
>> Extend the action stats callback implementation to update stats for actions
>> that are associated with hw counters.
>> Note that the callback may be called from tc action utility or from tc
>> flower. Both apis expect the driver to return the stats difference from
>> the last update. As such, query the raw counter value and maintain
>> the diff from the last api call in the tc layer, instead of the fs_core
>> layer.
>>
>> Signed-off-by: Oz Shlomo <ozsh@...dia.com>
>> Reviewed-by: Roi Dayan <roid@...dia.com>
> 
> nit: I think the prefix for this patch should be 'net/mlx5e'

it should. missed it i guess. also prev patch 8/9 ".. TC, support per action stats".
thanks

> 
>> ---
>>  .../net/ethernet/mellanox/mlx5/core/en/rep/tc.c    |  2 +-
>>  .../ethernet/mellanox/mlx5/core/en/tc/act_stats.c  | 44 ++++++++++++++++++++++
>>  .../ethernet/mellanox/mlx5/core/en/tc/act_stats.h  |  4 ++
>>  .../net/ethernet/mellanox/mlx5/core/en/tc_priv.h   |  1 +
>>  drivers/net/ethernet/mellanox/mlx5/core/en_tc.c    | 39 +++++++++++++------
>>  drivers/net/ethernet/mellanox/mlx5/core/en_tc.h    |  2 +
>>  .../net/ethernet/mellanox/mlx5/core/fs_counters.c  | 10 +++++
>>  include/linux/mlx5/fs.h                            |  2 +
>>  8 files changed, 91 insertions(+), 13 deletions(-)
> 
> ...