netdev - Re: [PATCH net-next v4 3/9] net/sched: pass flow

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Date:   Sun, 12 Feb 2023 10:01:40 -0500
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Oz Shlomo <ozsh@...dia.com>
Cc:     netdev@...r.kernel.org, Saeed Mahameed <saeedm@...dia.com>,
        Roi Dayan <roid@...dia.com>, Jiri Pirko <jiri@...dia.com>,
        Marcelo Ricardo Leitner <mleitner@...hat.com>,
        Simon Horman <simon.horman@...igine.com>,
        Baowen Zheng <baowen.zheng@...igine.com>,
        Edward Cree <ecree.xilinx@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Subject: Re: [PATCH net-next v4 3/9] net/sched: pass flow_stats instead of
 multiple stats args

On Sun, Feb 12, 2023 at 8:26 AM Oz Shlomo <ozsh@...dia.com> wrote:
>
> Instead of passing 6 stats related args, pass the flow_stats.
>
> Signed-off-by: Oz Shlomo <ozsh@...dia.com>
> Reviewed-by: Simon Horman <simon.horman@...igine.com>
> Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>

Acked-by: Jamal Hadi Salim <jhs@...atatu.com>

cheers,
jamal
> ---
>  include/net/pkt_cls.h    | 11 +++++------
>  net/sched/cls_flower.c   |  7 +------
>  net/sched/cls_matchall.c |  6 +-----
>  3 files changed, 7 insertions(+), 17 deletions(-)
>
> diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
> index cd410a87517b..bf50829d9255 100644
> --- a/include/net/pkt_cls.h
> +++ b/include/net/pkt_cls.h
> @@ -294,8 +294,7 @@ static inline void tcf_exts_put_net(struct tcf_exts *exts)
>
>  static inline void
>  tcf_exts_hw_stats_update(const struct tcf_exts *exts,
> -                        u64 bytes, u64 packets, u64 drops, u64 lastuse,
> -                        u8 used_hw_stats, bool used_hw_stats_valid)
> +                        struct flow_stats *stats)
>  {
>  #ifdef CONFIG_NET_CLS_ACT
>         int i;
> @@ -306,12 +305,12 @@ static inline void tcf_exts_put_net(struct tcf_exts *exts)
>                 /* if stats from hw, just skip */
>                 if (tcf_action_update_hw_stats(a)) {
>                         preempt_disable();
> -                       tcf_action_stats_update(a, bytes, packets, drops,
> -                                               lastuse, true);
> +                       tcf_action_stats_update(a, stats->bytes, stats->pkts, stats->drops,
> +                                               stats->lastused, true);
>                         preempt_enable();
>
> -                       a->used_hw_stats = used_hw_stats;
> -                       a->used_hw_stats_valid = used_hw_stats_valid;
> +                       a->used_hw_stats = stats->used_hw_stats;
> +                       a->used_hw_stats_valid = stats->used_hw_stats_valid;
>                 }
>         }
>  #endif
> diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
> index 0b15698b3531..cb04739a13ce 100644
> --- a/net/sched/cls_flower.c
> +++ b/net/sched/cls_flower.c
> @@ -502,12 +502,7 @@ static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f,
>         tc_setup_cb_call(block, TC_SETUP_CLSFLOWER, &cls_flower, false,
>                          rtnl_held);
>
> -       tcf_exts_hw_stats_update(&f->exts, cls_flower.stats.bytes,
> -                                cls_flower.stats.pkts,
> -                                cls_flower.stats.drops,
> -                                cls_flower.stats.lastused,
> -                                cls_flower.stats.used_hw_stats,
> -                                cls_flower.stats.used_hw_stats_valid);
> +       tcf_exts_hw_stats_update(&f->exts, &cls_flower.stats);
>  }
>
>  static void __fl_put(struct cls_fl_filter *f)
> diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
> index 705f63da2c21..b3883d3d4dbd 100644
> --- a/net/sched/cls_matchall.c
> +++ b/net/sched/cls_matchall.c
> @@ -331,11 +331,7 @@ static void mall_stats_hw_filter(struct tcf_proto *tp,
>
>         tc_setup_cb_call(block, TC_SETUP_CLSMATCHALL, &cls_mall, false, true);
>
> -       tcf_exts_hw_stats_update(&head->exts, cls_mall.stats.bytes,
> -                                cls_mall.stats.pkts, cls_mall.stats.drops,
> -                                cls_mall.stats.lastused,
> -                                cls_mall.stats.used_hw_stats,
> -                                cls_mall.stats.used_hw_stats_valid);
> +       tcf_exts_hw_stats_update(&head->exts, &cls_mall.stats);
>  }
>
>  static int mall_dump(struct net *net, struct tcf_proto *tp, void *fh,
> --
> 1.8.3.1
>