netdev - [net-next 12/15] net/mlx5e: configure meter in flow action

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Message-Id: <20220713225859.401241-13-saeed@kernel.org>
Date:   Wed, 13 Jul 2022 15:58:56 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
        Jianbo Liu <jianbol@...dia.com>, Roi Dayan <roid@...dia.com>
Subject: [net-next 12/15] net/mlx5e: configure meter in flow action

From: Jianbo Liu <jianbol@...dia.com>

After police action is parsed, set meter data in flow action,
so they can be used when adding FTE.

Signed-off-by: Jianbo Liu <jianbol@...dia.com>
Reviewed-by: Roi Dayan <roid@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../mellanox/mlx5/core/eswitch_offloads.c      | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 85b3aa4d7955..da1959caae41 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -512,6 +512,20 @@ esw_cleanup_dests(struct mlx5_eswitch *esw,
 	}
 }
 
+static void
+esw_setup_meter(struct mlx5_flow_attr *attr, struct mlx5_flow_act *flow_act)
+{
+	struct mlx5e_flow_meter_handle *meter;
+
+	meter = attr->meter_attr.meter;
+	flow_act->exe_aso.type = attr->exe_aso_type;
+	flow_act->exe_aso.object_id = meter->obj_id;
+	flow_act->exe_aso.flow_meter.meter_idx = meter->idx;
+	flow_act->exe_aso.flow_meter.init_color = MLX5_FLOW_METER_COLOR_GREEN;
+	/* use metadata reg 5 for packet color */
+	flow_act->exe_aso.return_reg_id = 5;
+}
+
 struct mlx5_flow_handle *
 mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
 				struct mlx5_flow_spec *spec,
@@ -579,6 +593,10 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
 	if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
 		flow_act.modify_hdr = attr->modify_hdr;
 
+	if ((flow_act.action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) &&
+	    attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER)
+		esw_setup_meter(attr, &flow_act);
+
 	if (split) {
 		fwd_attr.chain = attr->chain;
 		fwd_attr.prio = attr->prio;
-- 
2.36.1