netdev - [patch net-next 08/10] flow_offload: introduce "delayed" HW stats type and allow it in mlx5

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Message-Id: <20200221095643.6642-9-jiri@resnulli.us>
Date:   Fri, 21 Feb 2020 10:56:41 +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, mlxsw@...lanox.com
Subject: [patch net-next 08/10] flow_offload: introduce "delayed" HW stats type and allow it in mlx5

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

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

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 3 ++-
 include/net/flow_offload.h                      | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 39bbd9675ae4..d48c07bf9711 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -3918,7 +3918,8 @@ mlx5e_tc_add_flow(struct mlx5e_priv *priv,
 	if (!tc_can_offload_extack(priv->netdev, f->common.extack))
 		return -EOPNOTSUPP;
 
-	if (f->common.hw_stats_type != FLOW_CLS_HW_STATS_TYPE_ANY) {
+	if (f->common.hw_stats_type != FLOW_CLS_HW_STATS_TYPE_ANY &&
+	    f->common.hw_stats_type != FLOW_CLS_HW_STATS_TYPE_DELAYED) {
 		NL_SET_ERR_MSG_MOD(f->common.extack, "Unsupported HW stats type");
 		return -EOPNOTSUPP;
 	}
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index b1a182941f1d..4cff09890725 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -353,6 +353,7 @@ enum flow_cls_command {
 enum flow_cls_hw_stats_type {
 	FLOW_CLS_HW_STATS_TYPE_ANY,
 	FLOW_CLS_HW_STATS_TYPE_IMMEDIATE,
+	FLOW_CLS_HW_STATS_TYPE_DELAYED,
 };
 
 struct flow_cls_common_offload {
-- 
2.21.1