netdev - Re: [PATCH mlx5-next v1 02/13] net/mlx5: Export flow counter related API

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Date:   Mon, 28 May 2018 11:34:18 +0300
From:   Or Gerlitz <gerlitz.or@...il.com>
To:     Raed Salem <raeds@...lanox.com>,
        Leon Romanovsky <leonro@...lanox.com>
Cc:     RDMA mailing list <linux-rdma@...r.kernel.org>,
        Yishai Hadas <yishaih@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH mlx5-next v1 02/13] net/mlx5: Export flow counter related API

On Sun, May 27, 2018 at 1:23 PM, Leon Romanovsky <leon@...nel.org> wrote:
> From: Raed Salem <raeds@...lanox.com>
>
> Exports counters API to be used in both IB and EN.
>
> Reviewed-by: Yishai Hadas <yishaih@...lanox.com>
> Signed-off-by: Raed Salem <raeds@...lanox.com>
> Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
> ---
>  drivers/net/ethernet/mellanox/mlx5/core/fs_core.h  | 23 ----------------------
>  .../net/ethernet/mellanox/mlx5/core/fs_counters.c  |  3 +++
>  include/linux/mlx5/fs.h                            | 22 +++++++++++++++++++++
>  3 files changed, 25 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
> index b6da322a8016..40992aed1791 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
> @@ -131,29 +131,6 @@ struct mlx5_flow_table {
>         struct rhltable                 fgs_hash;
>  };
>
> -struct mlx5_fc_cache {
> -       u64 packets;
> -       u64 bytes;
> -       u64 lastuse;
> -};
> -
> -struct mlx5_fc {
> -       struct rb_node node;
> -       struct list_head list;
> -
> -       /* last{packets,bytes} members are used when calculating the delta since
> -        * last reading
> -        */
> -       u64 lastpackets;
> -       u64 lastbytes;
> -
> -       u32 id;
> -       bool deleted;
> -       bool aging;
> -
> -       struct mlx5_fc_cache cache ____cacheline_aligned_in_smp;
> -};
> -

are you using the caching services @ the IB driver? please point me to
the patch that does so