From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Paul Blakey <paulb@nvidia.com>,
Mark Bloch <mbloch@nvidia.com>, Roi Dayan <roid@nvidia.com>,
Saeed Mahameed <saeedm@nvidia.com>
Subject: [net-next 10/15] net/mlx5: Add smfs lib to export direct steering API to CT
Date: Thu, 10 Mar 2022 23:40:26 -0800 [thread overview]
Message-ID: <20220311074031.645168-11-saeed@kernel.org> (raw)
In-Reply-To: <20220311074031.645168-1-saeed@kernel.org>
From: Paul Blakey <paulb@nvidia.com>
Add a thin layer that exports selected direct steering (dr) API
which will be used by a ct fs implementation in a following
patch.
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
.../net/ethernet/mellanox/mlx5/core/Makefile | 2 +-
.../ethernet/mellanox/mlx5/core/lib/smfs.c | 68 +++++++++++++++++++
.../ethernet/mellanox/mlx5/core/lib/smfs.h | 36 ++++++++++
3 files changed, 105 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.c
create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.h
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 24cf559811b0..f68a9db18698 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -106,7 +106,7 @@ mlx5_core-$(CONFIG_MLX5_SW_STEERING) += steering/dr_domain.o steering/dr_table.o
steering/dr_ste_v2.o \
steering/dr_cmd.o steering/dr_fw.o \
steering/dr_action.o steering/fs_dr.o \
- steering/dr_dbg.o
+ steering/dr_dbg.o lib/smfs.o
#
# SF device
#
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.c
new file mode 100644
index 000000000000..9b8c051ccf65
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. */
+
+#include <linux/kernel.h>
+#include <linux/mlx5/driver.h>
+
+#include "smfs.h"
+
+struct mlx5dr_matcher *
+mlx5_smfs_matcher_create(struct mlx5dr_table *table, u32 priority, struct mlx5_flow_spec *spec)
+{
+ struct mlx5dr_match_parameters matcher_mask = {};
+
+ matcher_mask.match_buf = (u64 *)&spec->match_criteria;
+ matcher_mask.match_sz = DR_SZ_MATCH_PARAM;
+
+ return mlx5dr_matcher_create(table, priority, spec->match_criteria_enable, &matcher_mask);
+}
+
+void
+mlx5_smfs_matcher_destroy(struct mlx5dr_matcher *matcher)
+{
+ mlx5dr_matcher_destroy(matcher);
+}
+
+struct mlx5dr_table *
+mlx5_smfs_table_get_from_fs_ft(struct mlx5_flow_table *ft)
+{
+ return mlx5dr_table_get_from_fs_ft(ft);
+}
+
+struct mlx5dr_action *
+mlx5_smfs_action_create_dest_table(struct mlx5dr_table *table)
+{
+ return mlx5dr_action_create_dest_table(table);
+}
+
+struct mlx5dr_action *
+mlx5_smfs_action_create_flow_counter(u32 counter_id)
+{
+ return mlx5dr_action_create_flow_counter(counter_id);
+}
+
+void
+mlx5_smfs_action_destroy(struct mlx5dr_action *action)
+{
+ mlx5dr_action_destroy(action);
+}
+
+struct mlx5dr_rule *
+mlx5_smfs_rule_create(struct mlx5dr_matcher *matcher, struct mlx5_flow_spec *spec,
+ size_t num_actions, struct mlx5dr_action *actions[],
+ u32 flow_source)
+{
+ struct mlx5dr_match_parameters value = {};
+
+ value.match_buf = (u64 *)spec->match_value;
+ value.match_sz = DR_SZ_MATCH_PARAM;
+
+ return mlx5dr_rule_create(matcher, &value, num_actions, actions, flow_source);
+}
+
+void
+mlx5_smfs_rule_destroy(struct mlx5dr_rule *rule)
+{
+ mlx5dr_rule_destroy(rule);
+}
+
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.h
new file mode 100644
index 000000000000..452d0df339ac
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/smfs.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. */
+
+#ifndef __MLX5_LIB_SMFS_H__
+#define __MLX5_LIB_SMFS_H__
+
+#include "steering/mlx5dr.h"
+#include "steering/dr_types.h"
+
+struct mlx5dr_matcher *
+mlx5_smfs_matcher_create(struct mlx5dr_table *table, u32 priority, struct mlx5_flow_spec *spec);
+
+void
+mlx5_smfs_matcher_destroy(struct mlx5dr_matcher *matcher);
+
+struct mlx5dr_table *
+mlx5_smfs_table_get_from_fs_ft(struct mlx5_flow_table *ft);
+
+struct mlx5dr_action *
+mlx5_smfs_action_create_dest_table(struct mlx5dr_table *table);
+
+struct mlx5dr_action *
+mlx5_smfs_action_create_flow_counter(u32 counter_id);
+
+void
+mlx5_smfs_action_destroy(struct mlx5dr_action *action);
+
+struct mlx5dr_rule *
+mlx5_smfs_rule_create(struct mlx5dr_matcher *matcher, struct mlx5_flow_spec *spec,
+ size_t num_actions, struct mlx5dr_action *actions[],
+ u32 flow_source);
+
+void
+mlx5_smfs_rule_destroy(struct mlx5dr_rule *rule);
+
+#endif /* __MLX5_LIB_SMFS_H__ */
--
2.35.1
next prev parent reply other threads:[~2022-03-11 7:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-11 7:40 [pull request][net-next 00/15] mlx5 updates 2022-03-10 Saeed Mahameed
2022-03-11 7:40 ` [net-next 01/15] net/mlx4: Delete useless moduleparam include Saeed Mahameed
2022-03-11 11:00 ` patchwork-bot+netdevbpf
2022-03-11 7:40 ` [net-next 02/15] net/mlx5: Delete useless module.h include Saeed Mahameed
2022-03-11 7:40 ` [net-next 03/15] net/mlx5: Node-aware allocation for the IRQ table Saeed Mahameed
2022-03-11 7:40 ` [net-next 04/15] net/mlx5: Node-aware allocation for the EQ table Saeed Mahameed
2022-03-11 7:40 ` [net-next 05/15] net/mlx5: Node-aware allocation for the EQs Saeed Mahameed
2022-03-11 7:40 ` [net-next 06/15] net/mlx5: Node-aware allocation for UAR Saeed Mahameed
2022-03-11 7:40 ` [net-next 07/15] net/mlx5: Node-aware allocation for the doorbell pgdir Saeed Mahameed
2022-03-11 7:40 ` [net-next 08/15] net/mlx5: CT: Introduce a platform for multiple flow steering providers Saeed Mahameed
2022-03-11 7:40 ` [net-next 09/15] net/mlx5: DR, Add helper to get backing dr table from a mlx5 flow table Saeed Mahameed
2022-03-11 7:40 ` Saeed Mahameed [this message]
2022-03-11 7:40 ` [net-next 11/15] net/mlx5: CT: Add software steering ct flow steering provider Saeed Mahameed
2022-03-11 7:40 ` [net-next 12/15] net/mlx5: CT: Create smfs dr matchers dynamically Saeed Mahameed
2022-03-11 7:40 ` [net-next 13/15] net/mlx5: Query the maximum MCIA register read size from firmware Saeed Mahameed
2022-03-11 7:40 ` [net-next 14/15] net/mlx5: Parse module mapping using mlx5_ifc Saeed Mahameed
2022-03-11 7:40 ` [net-next 15/15] net/mlx5e: Remove overzealous validations in netlink EEPROM query Saeed Mahameed
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