+ void *(*dr_create_flow_action_dest_flow_tbl)(void *tbl);
+ void *(*dr_create_flow_action_dest_vport)(void *ns, uint32_t vport);
+ void *(*dr_create_flow_action_drop)();
+ void *(*dr_create_flow_tbl)(void *ns, uint32_t level);
+ int (*dr_destroy_flow_tbl)(void *tbl);
+ void *(*dr_create_ns)(struct ibv_context *ctx,
+ enum mlx5dv_dr_ns_domain domain);
+ int (*dr_destroy_ns)(void *ns);