net/mlx5: prepare meter flow tables

[dpdk.git] / drivers / net / mlx5 / mlx5_flow.h

diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index ac16754..d8f1537 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow.h
+++ b/drivers/net/mlx5/mlx5_flow.h
@@ -23,6 +23,7 @@
 
 #include <rte_atomic.h>
 #include <rte_alarm.h>
+#include <rte_mtr.h>
 
 #include "mlx5.h"
 #include "mlx5_prm.h"
@@ -522,6 +523,74 @@ struct mlx5_flow {
        bool external; /**< true if the flow is created external to PMD. */
 };
 
+#define MLX5_MAN_WIDTH 8
+/* Modify this value if enum rte_mtr_color changes. */
+#define RTE_MTR_DROPPED RTE_COLORS
+
+/* Meter table structure. */
+struct mlx5_meter_domain_info {
+       struct mlx5_flow_tbl_resource *tbl;
+       /**< Meter table. */
+       void *any_matcher;
+       /**< Meter color not match default criteria. */
+       void *color_matcher;
+       /**< Meter color match criteria. */
+       void *jump_actn;
+       /**< Meter match action. */
+       void *policer_rules[RTE_MTR_DROPPED + 1];
+       /**< Meter policer for the match. */
+};
+
+/* Meter table set for TX RX FDB. */
+struct mlx5_meter_domains_infos {
+       uint32_t ref_cnt;
+       /**< Table user count. */
+       struct mlx5_meter_domain_info egress;
+       /**< TX meter table. */
+       struct mlx5_meter_domain_info ingress;
+       /**< RX meter table. */
+       struct mlx5_meter_domain_info transfer;
+       /**< FDB meter table. */
+       void *drop_actn;
+       /**< Drop action as not matched. */
+};
+
+/* Meter parameter structure. */
+struct mlx5_flow_meter {
+       uint32_t meter_id;
+       /**< Meter id. */
+       struct mlx5_meter_domains_infos *mfts;
+       /**< Flow table created for this meter. */
+       uint32_t ref_cnt;
+       /**< Use count. */
+};
+
+/* RFC2697 parameter structure. */
+struct mlx5_flow_meter_srtcm_rfc2697_prm {
+       /* green_saturation_value = cbs_mantissa * 2^cbs_exponent */
+       uint32_t cbs_exponent:5;
+       uint32_t cbs_mantissa:8;
+       /* cir = 8G * cir_mantissa * 1/(2^cir_exponent) Bytes/Sec */
+       uint32_t cir_exponent:5;
+       uint32_t cir_mantissa:8;
+       /* yellow _saturation_value = ebs_mantissa * 2^ebs_exponent */
+       uint32_t ebs_exponent:5;
+       uint32_t ebs_mantissa:8;
+};
+
+/* Flow meter profile structure. */
+struct mlx5_flow_meter_profile {
+       TAILQ_ENTRY(mlx5_flow_meter_profile) next;
+       /**< Pointer to the next flow meter structure. */
+       uint32_t meter_profile_id; /**< Profile id. */
+       struct rte_mtr_meter_profile profile; /**< Profile detail. */
+       union {
+               struct mlx5_flow_meter_srtcm_rfc2697_prm srtcm_prm;
+               /**< srtcm_rfc2697 struct. */
+       };
+       uint32_t ref_cnt; /**< Use count. */
+};
+
 /* Flow structure. */
 struct rte_flow {
        TAILQ_ENTRY(rte_flow) next; /**< Pointer to the next flow structure. */
@@ -563,6 +632,10 @@ typedef int (*mlx5_flow_query_t)(struct rte_eth_dev *dev,
                                 const struct rte_flow_action *actions,
                                 void *data,
                                 struct rte_flow_error *error);
+typedef struct mlx5_meter_domains_infos *(*mlx5_flow_create_mtr_tbls_t)
+                                           (struct rte_eth_dev *dev);
+typedef int (*mlx5_flow_destroy_mtr_tbls_t)(struct rte_eth_dev *dev,
+                                       struct mlx5_meter_domains_infos *tbls);
 struct mlx5_flow_driver_ops {
        mlx5_flow_validate_t validate;
        mlx5_flow_prepare_t prepare;
@@ -571,6 +644,8 @@ struct mlx5_flow_driver_ops {
        mlx5_flow_remove_t remove;
        mlx5_flow_destroy_t destroy;
        mlx5_flow_query_t query;
+       mlx5_flow_create_mtr_tbls_t create_mtr_tbls;
+       mlx5_flow_destroy_mtr_tbls_t destroy_mtr_tbls;
 };
 
 
@@ -697,4 +772,8 @@ int mlx5_flow_validate_item_geneve(const struct rte_flow_item *item,
                                   uint64_t item_flags,
                                   struct rte_eth_dev *dev,
                                   struct rte_flow_error *error);
+struct mlx5_meter_domains_infos *mlx5_flow_create_mtr_tbls
+                                       (struct rte_eth_dev *dev);
+int mlx5_flow_destroy_mtr_tbls(struct rte_eth_dev *dev,
+                              struct mlx5_meter_domains_infos *tbl);
 #endif /* RTE_PMD_MLX5_FLOW_H_ */