f-stack/dpdk/drivers/net/bnxt/tf_ulp/ulp_mapper.h

137 lines
3.8 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2014-2019 Broadcom
* All rights reserved.
*/
#ifndef _ULP_MAPPER_H_
#define _ULP_MAPPER_H_
#include <rte_log.h>
#include <rte_flow.h>
#include <rte_flow_driver.h>
#include "tf_core.h"
#include "ulp_template_db_enum.h"
#include "ulp_template_struct.h"
#include "bnxt_ulp.h"
#include "ulp_utils.h"
#define ULP_IDENTS_INVALID ((uint16_t)0xffff)
/*
* The cache table opcode is used to convey informat from the cache handler
* to the tcam handler. The opcodes do the following:
* NORMAL - tcam should process all instructions as normal
* SKIP - tcam is using the cached entry and doesn't need to process the
* instruction.
* ALLOC - tcam needs to allocate the tcam index and store in the cache entry
*/
enum bnxt_ulp_cache_table_opc {
BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL,
BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP,
BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC
};
struct bnxt_ulp_mapper_cache_entry {
uint32_t ref_count;
uint16_t tcam_idx;
uint16_t idents[BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM];
uint8_t ident_types[BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM];
};
struct bnxt_ulp_mapper_glb_resource_entry {
enum bnxt_ulp_resource_func resource_func;
uint32_t resource_type; /* TF_ enum type */
uint64_t resource_hndl;
};
struct bnxt_ulp_mapper_data {
struct bnxt_ulp_mapper_glb_resource_entry
glb_res_tbl[TF_DIR_MAX][BNXT_ULP_GLB_RESOURCE_TBL_MAX_SZ];
struct bnxt_ulp_mapper_cache_entry
*cache_tbl[BNXT_ULP_CACHE_TBL_MAX_SZ];
};
/* Internal Structure for passing the arguments around */
struct bnxt_ulp_mapper_parms {
enum bnxt_ulp_template_type tmpl_type;
uint32_t dev_id;
uint32_t act_tid;
struct bnxt_ulp_mapper_tbl_info *atbls; /* action table */
uint32_t num_atbls;
uint32_t class_tid;
struct bnxt_ulp_mapper_tbl_info *ctbls; /* class table */
uint32_t num_ctbls;
struct ulp_rte_act_prop *act_prop;
struct ulp_rte_act_bitmap *act_bitmap;
struct ulp_rte_hdr_bitmap *hdr_bitmap;
struct ulp_rte_hdr_field *hdr_field;
uint32_t *comp_fld;
struct ulp_regfile *regfile;
struct tf *tfp;
struct bnxt_ulp_context *ulp_ctx;
uint8_t encap_byte_swap;
uint32_t fid;
enum bnxt_ulp_fdb_type flow_type;
struct bnxt_ulp_mapper_data *mapper_data;
enum bnxt_ulp_cache_table_opc tcam_tbl_opc;
struct bnxt_ulp_mapper_cache_entry *cache_ptr;
struct bnxt_ulp_device_params *device_params;
uint32_t parent_fid;
uint32_t parent_flow;
uint8_t tun_idx;
};
struct bnxt_ulp_mapper_create_parms {
uint32_t app_priority;
struct ulp_rte_hdr_bitmap *hdr_bitmap;
struct ulp_rte_hdr_field *hdr_field;
uint32_t *comp_fld;
struct ulp_rte_act_bitmap *act;
struct ulp_rte_act_prop *act_prop;
uint32_t class_tid;
uint32_t act_tid;
uint16_t func_id;
uint32_t dir_attr;
enum bnxt_ulp_fdb_type flow_type;
uint32_t flow_id;
/* if set then create it as a child flow with parent as parent_fid */
uint32_t parent_fid;
/* if set then create a parent flow */
uint32_t parent_flow;
uint8_t tun_idx;
};
/* Function to initialize any dynamic mapper data. */
int32_t
ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx);
/* Function to release all dynamic mapper data. */
void
ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx);
/*
* Function to handle the mapping of the Flow to be compatible
* with the underlying hardware.
*/
int32_t
ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
struct bnxt_ulp_mapper_create_parms *parms);
/* Function that frees all resources associated with the flow. */
int32_t
ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx,
enum bnxt_ulp_fdb_type flow_type,
uint32_t fid);
/*
* Function that frees all resources and can be called on default or regular
* flows
*/
int32_t
ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx,
enum bnxt_ulp_fdb_type flow_type,
uint32_t fid);
#endif /* _ULP_MAPPER_H_ */