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Date: Mon, 2 Sep 2019 07:23:19 +0000
From: Saeed Mahameed <saeedm@...lanox.com>
To: "David S. Miller" <davem@...emloft.net>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Alex Vesker <valex@...lanox.com>,
Erez Shitrit <erezsh@...lanox.com>,
Mark Bloch <markb@...lanox.com>,
Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 13/18] net/mlx5: DR, Expose APIs for direct rule managing
From: Alex Vesker <valex@...lanox.com>
Expose APIs for direct rule managing to increase insertion rate by
bypassing the firmware.
Signed-off-by: Alex Vesker <valex@...lanox.com>
Reviewed-by: Erez Shitrit <erezsh@...lanox.com>
Reviewed-by: Mark Bloch <markb@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
.../mellanox/mlx5/core/steering/mlx5dr.h | 212 ++++++++++++++++++
1 file changed, 212 insertions(+)
create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h
new file mode 100644
index 000000000000..adda9cbfba45
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h
@@ -0,0 +1,212 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2019, Mellanox Technologies */
+
+#ifndef _MLX5DR_H_
+#define _MLX5DR_H_
+
+struct mlx5dr_domain;
+struct mlx5dr_table;
+struct mlx5dr_matcher;
+struct mlx5dr_rule;
+struct mlx5dr_action;
+
+enum mlx5dr_domain_type {
+ MLX5DR_DOMAIN_TYPE_NIC_RX,
+ MLX5DR_DOMAIN_TYPE_NIC_TX,
+ MLX5DR_DOMAIN_TYPE_FDB,
+};
+
+enum mlx5dr_domain_sync_flags {
+ MLX5DR_DOMAIN_SYNC_FLAGS_SW = 1 << 0,
+ MLX5DR_DOMAIN_SYNC_FLAGS_HW = 1 << 1,
+};
+
+enum mlx5dr_action_reformat_type {
+ DR_ACTION_REFORMAT_TYP_TNL_L2_TO_L2,
+ DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L2,
+ DR_ACTION_REFORMAT_TYP_TNL_L3_TO_L2,
+ DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L3,
+};
+
+struct mlx5dr_match_parameters {
+ size_t match_sz;
+ u64 *match_buf; /* Device spec format */
+};
+
+#ifdef CONFIG_MLX5_SW_STEERING
+
+struct mlx5dr_domain *
+mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type);
+
+int mlx5dr_domain_destroy(struct mlx5dr_domain *domain);
+
+int mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags);
+
+void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
+ struct mlx5dr_domain *peer_dmn);
+
+struct mlx5dr_table *
+mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level);
+
+int mlx5dr_table_destroy(struct mlx5dr_table *table);
+
+u32 mlx5dr_table_get_id(struct mlx5dr_table *table);
+
+struct mlx5dr_matcher *
+mlx5dr_matcher_create(struct mlx5dr_table *table,
+ u16 priority,
+ u8 match_criteria_enable,
+ struct mlx5dr_match_parameters *mask);
+
+int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher);
+
+struct mlx5dr_rule *
+mlx5dr_rule_create(struct mlx5dr_matcher *matcher,
+ struct mlx5dr_match_parameters *value,
+ size_t num_actions,
+ struct mlx5dr_action *actions[]);
+
+int mlx5dr_rule_destroy(struct mlx5dr_rule *rule);
+
+int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
+ struct mlx5dr_action *action);
+
+struct mlx5dr_action *
+mlx5dr_action_create_dest_table(struct mlx5dr_table *table);
+
+struct mlx5dr_action *
+mlx5dr_create_action_dest_flow_fw_table(struct mlx5_flow_table *ft,
+ struct mlx5_core_dev *mdev);
+
+struct mlx5dr_action *
+mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,
+ u32 vport, u8 vhca_id_valid,
+ u16 vhca_id);
+
+struct mlx5dr_action *mlx5dr_action_create_drop(void);
+
+struct mlx5dr_action *mlx5dr_action_create_tag(u32 tag_value);
+
+struct mlx5dr_action *
+mlx5dr_action_create_flow_counter(u32 counter_id);
+
+struct mlx5dr_action *
+mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,
+ enum mlx5dr_action_reformat_type reformat_type,
+ size_t data_sz,
+ void *data);
+
+struct mlx5dr_action *
+mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,
+ u32 flags,
+ size_t actions_sz,
+ __be64 actions[]);
+
+struct mlx5dr_action *mlx5dr_action_create_pop_vlan(void);
+
+struct mlx5dr_action *
+mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain, __be32 vlan_hdr);
+
+int mlx5dr_action_destroy(struct mlx5dr_action *action);
+
+static inline bool
+mlx5dr_is_supported(struct mlx5_core_dev *dev)
+{
+ return MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner);
+}
+
+#else /* CONFIG_MLX5_SW_STEERING */
+
+static inline struct mlx5dr_domain *
+mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type) { return NULL; }
+
+static inline int
+mlx5dr_domain_destroy(struct mlx5dr_domain *domain) { return 0; }
+
+static inline int
+mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags) { return 0; }
+
+static inline void
+mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
+ struct mlx5dr_domain *peer_dmn) { }
+
+static inline struct mlx5dr_table *
+mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level) { return NULL; }
+
+static inline int
+mlx5dr_table_destroy(struct mlx5dr_table *table) { return 0; }
+
+static inline u32
+mlx5dr_table_get_id(struct mlx5dr_table *table) { return 0; }
+
+static inline struct mlx5dr_matcher *
+mlx5dr_matcher_create(struct mlx5dr_table *table,
+ u16 priority,
+ u8 match_criteria_enable,
+ struct mlx5dr_match_parameters *mask) { return NULL; }
+
+static inline int
+mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher) { return 0; }
+
+static inline struct mlx5dr_rule *
+mlx5dr_rule_create(struct mlx5dr_matcher *matcher,
+ struct mlx5dr_match_parameters *value,
+ size_t num_actions,
+ struct mlx5dr_action *actions[]) { return NULL; }
+
+static inline int
+mlx5dr_rule_destroy(struct mlx5dr_rule *rule) { return 0; }
+
+static inline int
+mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
+ struct mlx5dr_action *action) { return 0; }
+
+static inline struct mlx5dr_action *
+mlx5dr_action_create_dest_table(struct mlx5dr_table *table) { return NULL; }
+
+static inline struct mlx5dr_action *
+mlx5dr_create_action_dest_flow_fw_table(struct mlx5_flow_table *ft,
+ struct mlx5_core_dev *mdev) { return NULL; }
+
+static inline struct mlx5dr_action *
+mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain,
+ u32 vport, u8 vhca_id_valid,
+ u16 vhca_id) { return NULL; }
+
+static inline struct mlx5dr_action *
+mlx5dr_action_create_drop(void) { return NULL; }
+
+static inline struct mlx5dr_action *
+mlx5dr_action_create_tag(u32 tag_value) { return NULL; }
+
+static inline struct mlx5dr_action *
+mlx5dr_action_create_flow_counter(u32 counter_id) { return NULL; }
+
+static inline struct mlx5dr_action *
+mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn,
+ enum mlx5dr_action_reformat_type reformat_type,
+ size_t data_sz,
+ void *data) { return NULL; }
+
+static inline struct mlx5dr_action *
+mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain,
+ u32 flags,
+ size_t actions_sz,
+ __be64 actions[]) { return NULL; }
+
+static inline struct mlx5dr_action *
+mlx5dr_action_create_pop_vlan(void) { return NULL; }
+
+static inline struct mlx5dr_action *
+mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain,
+ __be32 vlan_hdr) { return NULL; }
+
+static inline int
+mlx5dr_action_destroy(struct mlx5dr_action *action) { return 0; }
+
+static inline bool
+mlx5dr_is_supported(struct mlx5_core_dev *dev) { return false; }
+
+#endif /* CONFIG_MLX5_SW_STEERING */
+
+#endif /* _MLX5DR_H_ */
--
2.21.0
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