netdev - [patch net-next v2 08/12] flow_offload: introduce "immediate" HW stats type and allow it in mlxsw

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Date:   Fri, 28 Feb 2020 18:25:01 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, saeedm@...lanox.com,
        leon@...nel.org, michael.chan@...adcom.com, vishal@...lsio.com,
        jeffrey.t.kirsher@...el.com, idosch@...lanox.com,
        aelior@...vell.com, peppe.cavallaro@...com,
        alexandre.torgue@...com, jhs@...atatu.com,
        xiyou.wangcong@...il.com, pablo@...filter.org,
        ecree@...arflare.com, mlxsw@...lanox.com
Subject: [patch net-next v2 08/12] flow_offload: introduce "immediate" HW stats type and allow it in mlxsw

From: Jiri Pirko <jiri@...lanox.com>

Introduce new type for immediate HW stats and allow the value in
mlxsw offload.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
v1->v2:
- moved to action
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c | 3 ++-
 include/net/flow_offload.h                            | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
index 40d3ed2f4961..dcf04fae0c59 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
@@ -31,7 +31,8 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
 
 	act = flow_action_first_entry_get(flow_action);
 	switch (act->hw_stats_type) {
-	case FLOW_ACTION_HW_STATS_TYPE_ANY:
+	case FLOW_ACTION_HW_STATS_TYPE_ANY: /* fall-through */
+	case FLOW_ACTION_HW_STATS_TYPE_IMMEDIATE:
 		/* Count action is inserted first */
 		err = mlxsw_sp_acl_rulei_act_count(mlxsw_sp, rulei, extack);
 		if (err)
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 69791494efc5..7f0e2a20078f 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -157,6 +157,7 @@ enum flow_action_mangle_base {
 
 enum flow_action_hw_stats_type {
 	FLOW_ACTION_HW_STATS_TYPE_ANY,
+	FLOW_ACTION_HW_STATS_TYPE_IMMEDIATE,
 };
 
 typedef void (*action_destr)(void *priv);
-- 
2.21.1