[patch net-next v4 07/10] flow_offload: introduce "delayed" HW stats type and allow it in mlx5

Jiri Pirko
2020-03-07T11:40:48Z

From: Jiri Pirko <jiri@mellanox.com>

Introduce new type for delayed HW stats and allow the value in
mlx5 offload.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
---
v2->v3:
- converted to newly introduced flow_action_hw_stats_types_check()
- moved to bitfield
v1->v2:
- moved to action
- fixed c&p error in patch description
---
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 6 ++++--
include/net/flow_offload.h | 4 +++-
2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index cfe393cb4026..cdc63dd59867 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -2878,7 +2878,8 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv,
if (!flow_action_has_entries(flow_action))
return -EINVAL;

- if (!flow_action_basic_hw_stats_types_check(flow_action, extack))
+ if (!flow_action_hw_stats_types_check(flow_action, extack,
+ FLOW_ACTION_HW_STATS_TYPE_DELAYED))
return -EOPNOTSUPP;

attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG;
@@ -3333,7 +3334,8 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
if (!flow_action_has_entries(flow_action))
return -EINVAL;

- if (!flow_action_basic_hw_stats_types_check(flow_action, extack))
+ if (!flow_action_hw_stats_types_check(flow_action, extack,
+ FLOW_ACTION_HW_STATS_TYPE_DELAYED))
return -EOPNOTSUPP;

flow_action_for_each(i, act, flow_action) {
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 6580c58b368f..1b6500f0fbca 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -156,7 +156,9 @@ enum flow_action_mangle_base {
};

#define FLOW_ACTION_HW_STATS_TYPE_IMMEDIATE BIT(0)
-#define FLOW_ACTION_HW_STATS_TYPE_ANY FLOW_ACTION_HW_STATS_TYPE_IMMEDIATE
+#define FLOW_ACTION_HW_STATS_TYPE_DELAYED BIT(1)
+#define FLOW_ACTION_HW_STATS_TYPE_ANY (FLOW_ACTION_HW_STATS_TYPE_IMMEDIATE | \
+ FLOW_ACTION_HW_STATS_TYPE_DELAYED)

typedef void (*action_destr)(void *priv);

--
2.21.1