net/mlx5: add translation of connection tracking item

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

diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index b042f37..a1bb779 100644 (file)
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -493,6 +493,10 @@ struct mlx5_aso_sq_elem {
                        uint16_t burst_size;
                };
                struct mlx5_aso_mtr *mtr;
+               struct {
+                       struct mlx5_aso_ct_action *ct;
+                       char *query_data;
+               };
        };
 };
 
@@ -988,6 +992,60 @@ struct mlx5_bond_info {
        } ports[MLX5_BOND_MAX_PORTS];
 };
 
+/* Number of connection tracking objects per pool: must be a power of 2. */
+#define MLX5_ASO_CT_ACTIONS_PER_POOL 64
+
+/* Generate incremental and unique CT index from pool and offset. */
+#define MLX5_MAKE_CT_IDX(pool, offset) \
+       ((pool) * MLX5_ASO_CT_ACTIONS_PER_POOL + (offset) + 1)
+
+/* ASO Conntrack state. */
+enum mlx5_aso_ct_state {
+       ASO_CONNTRACK_FREE, /* Inactive, in the free list. */
+       ASO_CONNTRACK_WAIT, /* WQE sent in the SQ. */
+       ASO_CONNTRACK_READY, /* CQE received w/o error. */
+       ASO_CONNTRACK_QUERY, /* WQE for query sent. */
+       ASO_CONNTRACK_MAX, /* Guard. */
+};
+
+/* Generic ASO connection tracking structure. */
+struct mlx5_aso_ct_action {
+       LIST_ENTRY(mlx5_aso_ct_action) next; /* Pointer to the next ASO CT. */
+       void *dr_action_orig; /* General action object for original dir. */
+       void *dr_action_rply; /* General action object for reply dir. */
+       uint32_t refcnt; /* Action used count in device flows. */
+       uint16_t offset; /* Offset of ASO CT in DevX objects bulk. */
+       uint16_t peer; /* The only peer port index could also use this CT. */
+       enum mlx5_aso_ct_state state; /* ASO CT state. */
+       bool is_original; /* The direction of the DR action to be used. */
+};
+
+/* CT action object state update. */
+#define MLX5_ASO_CT_UPDATE_STATE(c, s) \
+       __atomic_store_n(&((c)->state), (s), __ATOMIC_RELAXED)
+
+/* ASO connection tracking software pool definition. */
+struct mlx5_aso_ct_pool {
+       uint16_t index; /* Pool index in pools array. */
+       struct mlx5_devx_obj *devx_obj;
+       /* The first devx object in the bulk, used for freeing (not yet). */
+       struct mlx5_aso_ct_action actions[MLX5_ASO_CT_ACTIONS_PER_POOL];
+       /* CT action structures bulk. */
+};
+
+LIST_HEAD(aso_ct_list, mlx5_aso_ct_action);
+
+/* Pools management structure for ASO connection tracking pools. */
+struct mlx5_aso_ct_pools_mng {
+       struct mlx5_aso_ct_pool **pools;
+       uint16_t n; /* Total number of pools. */
+       uint16_t next; /* Number of pools in use, index of next free pool. */
+       rte_spinlock_t ct_sl; /* The ASO CT free list lock. */
+       rte_rwlock_t resize_rwl; /* The ASO CT pool resize lock. */
+       struct aso_ct_list free_cts; /* Free ASO CT objects list. */
+       struct mlx5_aso_sq aso_sq; /* ASO queue objects. */
+};
+
 /*
  * Shared Infiniband device context for Master/Representors
  * which belong to same IB device with multiple IB ports.
@@ -1001,6 +1059,7 @@ struct mlx5_dev_ctx_shared {
        uint32_t sq_ts_format:2; /* SQ timestamp formats supported. */
        uint32_t qp_ts_format:2; /* QP timestamp formats supported. */
        uint32_t meter_aso_en:1; /* Flow Meter ASO is supported. */
+       uint32_t ct_aso_en:1; /* Connection Tracking ASO is supported. */
        uint32_t max_port; /* Maximal IB device port index. */
        struct mlx5_bond_info bond; /* Bonding information. */
        void *ctx; /* Verbs/DV/DevX context. */
@@ -1063,6 +1122,8 @@ struct mlx5_dev_ctx_shared {
        rte_spinlock_t geneve_tlv_opt_sl; /* Lock for geneve tlv resource */
        struct mlx5_flow_mtr_mng *mtrmng;
        /* Meter management structure. */
+       struct mlx5_aso_ct_pools_mng *ct_mng;
+       /* Management data for ASO connection tracking. */
        struct mlx5_dev_shared_port port[]; /* per device port data array. */
 };
 
@@ -1360,6 +1421,7 @@ bool mlx5_flex_parser_ecpri_exist(struct rte_eth_dev *dev);
 int mlx5_flex_parser_ecpri_alloc(struct rte_eth_dev *dev);
 int mlx5_flow_aso_age_mng_init(struct mlx5_dev_ctx_shared *sh);
 int mlx5_aso_flow_mtrs_mng_init(struct mlx5_dev_ctx_shared *sh);
+int mlx5_flow_aso_ct_mng_init(struct mlx5_dev_ctx_shared *sh);
 
 /* mlx5_ethdev.c */
 
@@ -1645,5 +1707,15 @@ int mlx5_aso_meter_update_by_wqe(struct mlx5_dev_ctx_shared *sh,
                struct mlx5_aso_mtr *mtr);
 int mlx5_aso_mtr_wait(struct mlx5_dev_ctx_shared *sh,
                struct mlx5_aso_mtr *mtr);
+int mlx5_aso_ct_update_by_wqe(struct mlx5_dev_ctx_shared *sh,
+                             struct mlx5_aso_ct_action *ct,
+                             const struct rte_flow_action_conntrack *profile);
+int mlx5_aso_ct_wait_ready(struct mlx5_dev_ctx_shared *sh,
+                          struct mlx5_aso_ct_action *ct);
+int mlx5_aso_ct_query_by_wqe(struct mlx5_dev_ctx_shared *sh,
+                            struct mlx5_aso_ct_action *ct,
+                            struct rte_flow_action_conntrack *profile);
+int mlx5_aso_ct_available(struct mlx5_dev_ctx_shared *sh,
+                         struct mlx5_aso_ct_action *ct);
 
 #endif /* RTE_PMD_MLX5_H_ */