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         bool                            shared;
  26 };
  27
  28 struct bnxt_ulp_mapper_data {
  29         struct bnxt_ulp_mapper_glb_resource_entry
  30                 glb_res_tbl[TF_DIR_MAX][BNXT_ULP_GLB_RF_IDX_LAST];
  31         struct ulp_mapper_gen_tbl_list gen_tbl_list[BNXT_ULP_GEN_TBL_MAX_SZ];
  32 };
  33
  34 /* Internal Structure for passing the arguments around */
  35 struct bnxt_ulp_mapper_parms {
  36         enum bnxt_ulp_template_type             tmpl_type;
  37         uint32_t                                dev_id;
  38         uint32_t                                act_tid;
  39         struct bnxt_ulp_mapper_tbl_info         *atbls; /* action table */
  40         uint32_t                                num_atbls;
  41         uint32_t                                class_tid;
  42         struct bnxt_ulp_mapper_tbl_info         *ctbls; /* class table */
  43         uint32_t                                num_ctbls;
  44         struct ulp_rte_act_prop                 *act_prop;
  45         struct ulp_rte_act_bitmap               *act_bitmap;
  46         struct ulp_rte_hdr_bitmap               *hdr_bitmap;
  47         struct ulp_rte_hdr_bitmap               *enc_hdr_bitmap;
  48         struct ulp_rte_hdr_field                *hdr_field;
  49         struct ulp_rte_hdr_field                *enc_field;
  50         struct ulp_rte_field_bitmap             *fld_bitmap;
  51         uint64_t                                *comp_fld;
  52         struct ulp_regfile                      *regfile;
  53         struct bnxt_ulp_context                 *ulp_ctx;
  54         uint32_t                                fid;
  55         enum bnxt_ulp_fdb_type                  flow_type;
  56         struct bnxt_ulp_mapper_data             *mapper_data;
  57         struct bnxt_ulp_device_params           *device_params;
  58         uint32_t                                child_flow;
  59         uint32_t                                parent_flow;
  60         uint8_t                                 tun_idx;
  61         uint32_t                                app_priority;
  62         uint64_t                                shared_hndl;
  63         uint32_t                                flow_pattern_id;
  64         uint32_t                                act_pattern_id;
  65         uint8_t                                 app_id;
  66         uint16_t                                port_id;
  67 };
  68
  69 struct bnxt_ulp_mapper_create_parms {
  70         uint32_t                        app_priority;
  71         struct ulp_rte_hdr_bitmap       *hdr_bitmap;
  72         struct ulp_rte_hdr_bitmap       *enc_hdr_bitmap;
  73         struct ulp_rte_hdr_field        *hdr_field;
  74         struct ulp_rte_hdr_field        *enc_field;
  75         uint64_t                        *comp_fld;
  76         struct ulp_rte_act_bitmap       *act;
  77         struct ulp_rte_act_prop         *act_prop;
  78         struct ulp_rte_field_bitmap     *fld_bitmap;
  79         uint32_t                        class_tid;
  80         uint32_t                        act_tid;
  81         uint16_t                        func_id;
  82         uint32_t                        dir_attr;
  83         enum bnxt_ulp_fdb_type          flow_type;
  84
  85         uint32_t                        flow_id;
  86         /* if set then create it as a child flow */
  87         uint32_t                        child_flow;
  88         /* if set then create a parent flow */
  89         uint32_t                        parent_flow;
  90         uint8_t                         tun_idx;
  91         uint64_t                        shared_hndl;
  92
  93         /* support pattern based rejection */
  94         uint32_t                        flow_pattern_id;
  95         uint32_t                        act_pattern_id;
  96         uint8_t                         app_id;
  97         uint16_t                        port_id;
  98 };
  99
 100 /* Function to initialize any dynamic mapper data. */
 101 int32_t
 102 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx);
 103
 104 /* Function to release all dynamic mapper data. */
 105 void
 106 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx);
 107
 108 /*
 109  * Function to handle the mapping of the Flow to be compatible
 110  * with the underlying hardware.
 111  */
 112 int32_t
 113 ulp_mapper_flow_create(struct bnxt_ulp_context  *ulp_ctx,
 114                        struct bnxt_ulp_mapper_create_parms *parms);
 115
 116 /* Function that frees all resources associated with the flow. */
 117 int32_t
 118 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx,
 119                         enum bnxt_ulp_fdb_type flow_type,
 120                         uint32_t fid);
 121
 122 /*
 123  * Function that frees all resources and can be called on default or regular
 124  * flows
 125  */
 126 int32_t
 127 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx,
 128                           enum bnxt_ulp_fdb_type flow_type,
 129                           uint32_t fid);
 130
 131 int32_t
 132 ulp_mapper_get_shared_fid(struct bnxt_ulp_context *ulp,
 133                           uint32_t id,
 134                           uint16_t key,
 135                           uint32_t *fid);
 136
 137 #endif /* _ULP_MAPPER_H_ */