drivers/net/bnxt/tf_ulp/ulp_mapper.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2021 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 #include "ulp_gen_tbl.h"
  18
  19 #define ULP_IDENTS_INVALID ((uint16_t)0xffff)
  20
  21 struct bnxt_ulp_mapper_glb_resource_entry {
  22         enum bnxt_ulp_resource_func     resource_func;
  23         uint32_t                        resource_type; /* TF_ enum type */
  24         uint64_t                        resource_hndl;
  25 };
  26
  27 struct bnxt_ulp_mapper_data {
  28         struct bnxt_ulp_mapper_glb_resource_entry
  29                 glb_res_tbl[TF_DIR_MAX][BNXT_ULP_GLB_RESOURCE_TBL_MAX_SZ];
  30         struct ulp_mapper_gen_tbl_list gen_tbl_list[BNXT_ULP_GEN_TBL_MAX_SZ];
  31 };
  32
  33 /* Internal Structure for passing the arguments around */
  34 struct bnxt_ulp_mapper_parms {
  35         enum bnxt_ulp_template_type             tmpl_type;
  36         uint32_t                                dev_id;
  37         uint32_t                                act_tid;
  38         struct bnxt_ulp_mapper_tbl_info         *atbls; /* action table */
  39         uint32_t                                num_atbls;
  40         uint32_t                                class_tid;
  41         struct bnxt_ulp_mapper_tbl_info         *ctbls; /* class table */
  42         uint32_t                                num_ctbls;
  43         struct ulp_rte_act_prop                 *act_prop;
  44         struct ulp_rte_act_bitmap               *act_bitmap;
  45         struct ulp_rte_hdr_bitmap               *hdr_bitmap;
  46         struct ulp_rte_hdr_field                *hdr_field;
  47         struct ulp_rte_field_bitmap             *fld_bitmap;
  48         uint32_t                                *comp_fld;
  49         struct ulp_regfile                      *regfile;
  50         struct tf                               *tfp;
  51         struct bnxt_ulp_context                 *ulp_ctx;
  52         uint32_t                                fid;
  53         enum bnxt_ulp_fdb_type                  flow_type;
  54         struct bnxt_ulp_mapper_data             *mapper_data;
  55         struct bnxt_ulp_device_params           *device_params;
  56         uint32_t                                parent_fid;
  57         uint32_t                                parent_flow;
  58         uint8_t                                 tun_idx;
  59         uint32_t                                app_priority;
  60         uint64_t                                shared_hndl;
  61         uint32_t                                flow_pattern_id;
  62         uint32_t                                act_pattern_id;
  63 };
  64
  65 struct bnxt_ulp_mapper_create_parms {
  66         uint32_t                        app_priority;
  67         struct ulp_rte_hdr_bitmap       *hdr_bitmap;
  68         struct ulp_rte_hdr_field        *hdr_field;
  69         uint32_t                        *comp_fld;
  70         struct ulp_rte_act_bitmap       *act;
  71         struct ulp_rte_act_prop         *act_prop;
  72         struct ulp_rte_field_bitmap     *fld_bitmap;
  73         uint32_t                        class_tid;
  74         uint32_t                        act_tid;
  75         uint16_t                        func_id;
  76         uint32_t                        dir_attr;
  77         enum bnxt_ulp_fdb_type          flow_type;
  78
  79         uint32_t                        flow_id;
  80         /* if set then create it as a child flow with parent as parent_fid */
  81         uint32_t                        parent_fid;
  82         /* if set then create a parent flow */
  83         uint32_t                        parent_flow;
  84         uint8_t                         tun_idx;
  85
  86         /* support pattern based rejection */
  87         uint32_t                        flow_pattern_id;
  88         uint32_t                        act_pattern_id;
  89
  90 };
  91
  92 /* Function to initialize any dynamic mapper data. */
  93 int32_t
  94 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx);
  95
  96 /* Function to release all dynamic mapper data. */
  97 void
  98 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx);
  99
 100 /*
 101  * Function to handle the mapping of the Flow to be compatible
 102  * with the underlying hardware.
 103  */
 104 int32_t
 105 ulp_mapper_flow_create(struct bnxt_ulp_context  *ulp_ctx,
 106                        struct bnxt_ulp_mapper_create_parms *parms);
 107
 108 /* Function that frees all resources associated with the flow. */
 109 int32_t
 110 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx,
 111                         enum bnxt_ulp_fdb_type flow_type,
 112                         uint32_t fid);
 113
 114 /*
 115  * Function that frees all resources and can be called on default or regular
 116  * flows
 117  */
 118 int32_t
 119 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx,
 120                           enum bnxt_ulp_fdb_type flow_type,
 121                           uint32_t fid);
 122
 123 #endif /* _ULP_MAPPER_H_ */