drivers/net/bnxt/tf_core/tf_if_tbl.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019-2021 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include <rte_common.h>
   7
   8 #include "tf_if_tbl.h"
   9 #include "tf_common.h"
  10 #include "tf_rm.h"
  11 #include "tf_util.h"
  12 #include "tf_msg.h"
  13 #include "tfp.h"
  14
  15 struct tf;
  16
  17 /**
  18  * IF Table database
  19  */
  20 struct tf_if_tbl_db {
  21         struct tf_if_tbl_cfg *if_tbl_cfg_db[TF_DIR_MAX];
  22 };
  23
  24 /**
  25  * Init flag, set on bind and cleared on unbind
  26  * TODO: Store this data in session db
  27  */
  28 static uint8_t init;
  29
  30 /**
  31  * Convert if_tbl_type to hwrm type.
  32  *
  33  * [in] if_tbl_type
  34  *   Interface table type
  35  *
  36  * [out] hwrm_type
  37  *   HWRM device data type
  38  *
  39  * Returns:
  40  *    0          - Success
  41  *   -EOPNOTSUPP - Type not supported
  42  */
  43 static int
  44 tf_if_tbl_get_hcapi_type(struct tf_if_tbl_get_hcapi_parms *parms)
  45 {
  46         struct tf_if_tbl_cfg *tbl_cfg;
  47         enum tf_if_tbl_cfg_type cfg_type;
  48
  49         tbl_cfg = (struct tf_if_tbl_cfg *)parms->tbl_db;
  50         cfg_type = tbl_cfg[parms->db_index].cfg_type;
  51
  52         if (cfg_type != TF_IF_TBL_CFG)
  53                 return -ENOTSUP;
  54
  55         *parms->hcapi_type = tbl_cfg[parms->db_index].hcapi_type;
  56
  57         return 0;
  58 }
  59
  60 int
  61 tf_if_tbl_bind(struct tf *tfp,
  62                struct tf_if_tbl_cfg_parms *parms)
  63 {
  64         struct tfp_calloc_parms cparms;
  65         struct tf_if_tbl_db *if_tbl_db;
  66
  67         TF_CHECK_PARMS2(tfp, parms);
  68
  69         cparms.nitems = 1;
  70         cparms.size = sizeof(struct tf_if_tbl_db);
  71         cparms.alignment = 0;
  72         if (tfp_calloc(&cparms) != 0) {
  73                 TFP_DRV_LOG(ERR, "if_tbl_rm_db alloc error %s\n",
  74                             strerror(ENOMEM));
  75                 return -ENOMEM;
  76         }
  77
  78         if_tbl_db = cparms.mem_va;
  79         if_tbl_db->if_tbl_cfg_db[TF_DIR_RX] = parms->cfg;
  80         if_tbl_db->if_tbl_cfg_db[TF_DIR_TX] = parms->cfg;
  81         tf_session_set_if_tbl_db(tfp, (void *)if_tbl_db);
  82
  83         init = 1;
  84
  85         TFP_DRV_LOG(INFO,
  86                     "Table Type - initialized\n");
  87
  88         return 0;
  89 }
  90
  91 int
  92 tf_if_tbl_unbind(struct tf *tfp)
  93 {
  94         int rc;
  95         struct tf_if_tbl_db *if_tbl_db_ptr;
  96
  97         /* Bail if nothing has been initialized */
  98         if (!init) {
  99                 TFP_DRV_LOG(INFO,
 100                             "No Table DBs created\n");
 101                 return 0;
 102         }
 103
 104         TF_CHECK_PARMS1(tfp);
 105
 106         rc = tf_session_get_if_tbl_db(tfp, (void **)&if_tbl_db_ptr);
 107         if (rc) {
 108                 TFP_DRV_LOG(INFO, "No IF Table DBs initialized\n");
 109                 return 0;
 110         }
 111
 112         tfp_free((void *)if_tbl_db_ptr);
 113         init = 0;
 114
 115         return 0;
 116 }
 117
 118 int
 119 tf_if_tbl_set(struct tf *tfp,
 120               struct tf_if_tbl_set_parms *parms)
 121 {
 122         int rc;
 123         struct tf_if_tbl_db *if_tbl_db_ptr;
 124         struct tf_if_tbl_get_hcapi_parms hparms;
 125
 126         TF_CHECK_PARMS3(tfp, parms, parms->data);
 127
 128         if (!init) {
 129                 TFP_DRV_LOG(ERR,
 130                             "%s: No Table DBs created\n",
 131                             tf_dir_2_str(parms->dir));
 132                 return -EINVAL;
 133         }
 134
 135         rc = tf_session_get_if_tbl_db(tfp, (void **)&if_tbl_db_ptr);
 136         if (rc) {
 137                 TFP_DRV_LOG(INFO, "No IF Table DBs initialized\n");
 138                 return 0;
 139         }
 140
 141         /* Convert TF type to HCAPI type */
 142         hparms.tbl_db = if_tbl_db_ptr->if_tbl_cfg_db[parms->dir];
 143         hparms.db_index = parms->type;
 144         hparms.hcapi_type = &parms->hcapi_type;
 145         rc = tf_if_tbl_get_hcapi_type(&hparms);
 146         if (rc)
 147                 return rc;
 148
 149         rc = tf_msg_set_if_tbl_entry(tfp, parms);
 150         if (rc) {
 151                 TFP_DRV_LOG(ERR,
 152                             "%s, If Tbl set failed, type:%d, rc:%s\n",
 153                             tf_dir_2_str(parms->dir),
 154                             parms->type,
 155                             strerror(-rc));
 156         }
 157
 158         return 0;
 159 }
 160
 161 int
 162 tf_if_tbl_get(struct tf *tfp,
 163               struct tf_if_tbl_get_parms *parms)
 164 {
 165         int rc = 0;
 166         struct tf_if_tbl_db *if_tbl_db_ptr;
 167         struct tf_if_tbl_get_hcapi_parms hparms;
 168
 169         TF_CHECK_PARMS3(tfp, parms, parms->data);
 170
 171         if (!init) {
 172                 TFP_DRV_LOG(ERR,
 173                             "%s: No Table DBs created\n",
 174                             tf_dir_2_str(parms->dir));
 175                 return -EINVAL;
 176         }
 177
 178         rc = tf_session_get_if_tbl_db(tfp, (void **)&if_tbl_db_ptr);
 179         if (rc) {
 180                 TFP_DRV_LOG(INFO, "No IF Table DBs initialized\n");
 181                 return 0;
 182         }
 183
 184         /* Convert TF type to HCAPI type */
 185         hparms.tbl_db = if_tbl_db_ptr->if_tbl_cfg_db[parms->dir];
 186         hparms.db_index = parms->type;
 187         hparms.hcapi_type = &parms->hcapi_type;
 188         rc = tf_if_tbl_get_hcapi_type(&hparms);
 189         if (rc)
 190                 return rc;
 191
 192         /* Get the entry */
 193         rc = tf_msg_get_if_tbl_entry(tfp, parms);
 194         if (rc) {
 195                 TFP_DRV_LOG(ERR,
 196                             "%s, If Tbl get failed, type:%d, rc:%s\n",
 197                             tf_dir_2_str(parms->dir),
 198                             parms->type,
 199                             strerror(-rc));
 200         }
 201
 202         return 0;
 203 }