1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2014-2019 Broadcom 3 * All rights reserved. 4 */ 5 6 #ifndef _ULP_MAPPER_H_ 7 #define _ULP_MAPPER_H_ 8 9 #include <rte_log.h> 10 #include <rte_flow.h> 11 #include <rte_flow_driver.h> 12 #include "tf_core.h" 13 #include "ulp_template_db_enum.h" 14 #include "ulp_template_struct.h" 15 #include "bnxt_ulp.h" 16 #include "ulp_utils.h" 17 18 #define ULP_IDENTS_INVALID ((uint16_t)0xffff) 19 20 /* 21 * The cache table opcode is used to convey informat from the cache handler 22 * to the tcam handler. The opcodes do the following: 23 * NORMAL - tcam should process all instructions as normal 24 * SKIP - tcam is using the cached entry and doesn't need to process the 25 * instruction. 26 * ALLOC - tcam needs to allocate the tcam index and store in the cache entry 27 */ 28 enum bnxt_ulp_cache_table_opc { 29 BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL, 30 BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP, 31 BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC 32 }; 33 34 struct bnxt_ulp_mapper_cache_entry { 35 uint32_t ref_count; 36 uint16_t tcam_idx; 37 uint16_t idents[BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM]; 38 uint8_t ident_types[BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM]; 39 }; 40 41 struct bnxt_ulp_mapper_glb_resource_entry { 42 enum bnxt_ulp_resource_func resource_func; 43 uint32_t resource_type; /* TF_ enum type */ 44 uint64_t resource_hndl; 45 }; 46 47 struct bnxt_ulp_mapper_data { 48 struct bnxt_ulp_mapper_glb_resource_entry 49 glb_res_tbl[TF_DIR_MAX][BNXT_ULP_GLB_RESOURCE_TBL_MAX_SZ]; 50 struct bnxt_ulp_mapper_cache_entry 51 *cache_tbl[BNXT_ULP_CACHE_TBL_MAX_SZ]; 52 }; 53 54 /* Internal Structure for passing the arguments around */ 55 struct bnxt_ulp_mapper_parms { 56 enum bnxt_ulp_template_type tmpl_type; 57 uint32_t dev_id; 58 uint32_t act_tid; 59 struct bnxt_ulp_mapper_tbl_info *atbls; /* action table */ 60 uint32_t num_atbls; 61 uint32_t class_tid; 62 struct bnxt_ulp_mapper_tbl_info *ctbls; /* class table */ 63 uint32_t num_ctbls; 64 struct ulp_rte_act_prop *act_prop; 65 struct ulp_rte_act_bitmap *act_bitmap; 66 struct ulp_rte_hdr_bitmap *hdr_bitmap; 67 struct ulp_rte_hdr_field *hdr_field; 68 uint32_t *comp_fld; 69 struct ulp_regfile *regfile; 70 struct tf *tfp; 71 struct bnxt_ulp_context *ulp_ctx; 72 uint8_t encap_byte_swap; 73 uint32_t fid; 74 enum bnxt_ulp_fdb_type flow_type; 75 struct bnxt_ulp_mapper_data *mapper_data; 76 enum bnxt_ulp_cache_table_opc tcam_tbl_opc; 77 struct bnxt_ulp_mapper_cache_entry *cache_ptr; 78 struct bnxt_ulp_device_params *device_params; 79 uint32_t parent_fid; 80 uint32_t parent_flow; 81 }; 82 83 struct bnxt_ulp_mapper_create_parms { 84 uint32_t app_priority; 85 struct ulp_rte_hdr_bitmap *hdr_bitmap; 86 struct ulp_rte_hdr_field *hdr_field; 87 uint32_t *comp_fld; 88 struct ulp_rte_act_bitmap *act; 89 struct ulp_rte_act_prop *act_prop; 90 uint32_t class_tid; 91 uint32_t act_tid; 92 uint16_t func_id; 93 uint32_t dir_attr; 94 enum bnxt_ulp_fdb_type flow_type; 95 96 /* if set then create it as a child flow with parent as parent_fid */ 97 uint32_t parent_fid; 98 /* if set then create a parent flow */ 99 uint32_t parent_flow; 100 }; 101 102 /* Function to initialize any dynamic mapper data. */ 103 int32_t 104 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx); 105 106 /* Function to release all dynamic mapper data. */ 107 void 108 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx); 109 110 /* 111 * Function to handle the mapping of the Flow to be compatible 112 * with the underlying hardware. 113 */ 114 int32_t 115 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx, 116 struct bnxt_ulp_mapper_create_parms *parms, 117 uint32_t *flowid); 118 119 /* Function that frees all resources associated with the flow. */ 120 int32_t 121 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, 122 enum bnxt_ulp_fdb_type flow_type, 123 uint32_t fid); 124 125 /* 126 * Function that frees all resources and can be called on default or regular 127 * flows 128 */ 129 int32_t 130 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx, 131 enum bnxt_ulp_fdb_type flow_type, 132 uint32_t fid); 133 134 #endif /* _ULP_MAPPER_H_ */ 135