1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2019 Broadcom
11 #include <rte_flow_driver.h>
13 #include "ulp_template_db.h"
14 #include "ulp_template_struct.h"
16 #include "ulp_utils.h"
18 #define ULP_SZ_BITS2BYTES(x) (((x) + 7) / 8)
19 #define ULP_IDENTS_INVALID ((uint16_t)0xffff)
20 #define ULP_MAPPER_CACHE_RES_TBL_ID_SHFT 16
21 #define ULP_MAPPER_CACHE_RES_TBL_TYPE_SHFT 0
22 #define ULP_MAPPER_CACHE_RES_TBL_MASK ((uint32_t)0x0000ffff)
25 * The cache table opcode is used to convey informat from the cache handler
26 * to the tcam handler. The opcodes do the following:
27 * NORMAL - tcam should process all instructions as normal
28 * SKIP - tcam is using the cached entry and doesn't need to process the
30 * ALLOC - tcam needs to allocate the tcam index and store in the cache entry
32 enum bnxt_ulp_cache_table_opc {
33 BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL,
34 BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP,
35 BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC
38 struct bnxt_ulp_mapper_cache_entry {
41 uint16_t idents[BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM];
42 uint8_t ident_types[BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM];
45 struct bnxt_ulp_mapper_def_id_entry {
46 enum tf_identifier_type ident_type;
50 struct bnxt_ulp_mapper_data {
51 struct bnxt_ulp_mapper_def_id_entry
52 dflt_ids[TF_DIR_MAX][BNXT_ULP_DEF_IDENT_INFO_TBL_MAX_SZ];
53 struct bnxt_ulp_mapper_cache_entry
54 *cache_tbl[BNXT_ULP_CACHE_TBL_MAX_SZ];
57 /* Internal Structure for passing the arguments around */
58 struct bnxt_ulp_mapper_parms {
60 enum bnxt_ulp_byte_order order;
62 struct bnxt_ulp_mapper_act_tbl_info *atbls;
65 struct bnxt_ulp_mapper_class_tbl_info *ctbls;
67 struct ulp_rte_act_prop *act_prop;
68 struct ulp_rte_act_bitmap *act_bitmap;
69 struct ulp_rte_hdr_field *hdr_field;
71 struct ulp_regfile *regfile;
73 struct bnxt_ulp_context *ulp_ctx;
74 uint8_t encap_byte_swap;
76 enum bnxt_ulp_flow_db_tables tbl_idx;
77 struct bnxt_ulp_mapper_data *mapper_data;
78 enum bnxt_ulp_cache_table_opc tcam_tbl_opc;
79 struct bnxt_ulp_mapper_cache_entry *cache_ptr;
82 struct bnxt_ulp_mapper_create_parms {
83 uint32_t app_priority;
84 struct ulp_rte_hdr_bitmap *hdr_bitmap;
85 struct ulp_rte_hdr_field *hdr_field;
87 struct ulp_rte_act_bitmap *act;
88 struct ulp_rte_act_prop *act_prop;
92 enum ulp_direction_type dir;
95 /* Function to initialize any dynamic mapper data. */
97 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx);
99 /* Function to release all dynamic mapper data. */
101 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx);
104 * Function to handle the mapping of the Flow to be compatible
105 * with the underlying hardware.
108 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
109 struct bnxt_ulp_mapper_create_parms *parms,
112 /* Function that frees all resources associated with the flow. */
114 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid);
117 * Function that frees all resources and can be called on default or regular
121 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx,
123 enum bnxt_ulp_flow_db_tables tbl_type);
125 #endif /* _ULP_MAPPER_H_ */