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 DBs.
  19  */
  20 static void *if_tbl_db[TF_DIR_MAX];
  21
  22 /**
  23  * IF Table Shadow DBs
  24  */
  25 /* static void *shadow_if_tbl_db[TF_DIR_MAX]; */
  26
  27 /**
  28  * Init flag, set on bind and cleared on unbind
  29  */
  30 static uint8_t init;
  31
  32 /**
  33  * Shadow init flag, set on bind and cleared on unbind
  34  */
  35 /* static uint8_t shadow_init; */
  36
  37 /**
  38  * Convert if_tbl_type to hwrm type.
  39  *
  40  * [in] if_tbl_type
  41  *   Interface table type
  42  *
  43  * [out] hwrm_type
  44  *   HWRM device data type
  45  *
  46  * Returns:
  47  *    0          - Success
  48  *   -EOPNOTSUPP - Type not supported
  49  */
  50 static int
  51 tf_if_tbl_get_hcapi_type(struct tf_if_tbl_get_hcapi_parms *parms)
  52 {
  53         struct tf_if_tbl_cfg *tbl_cfg;
  54         enum tf_if_tbl_cfg_type cfg_type;
  55
  56         tbl_cfg = (struct tf_if_tbl_cfg *)parms->tbl_db;
  57         cfg_type = tbl_cfg[parms->db_index].cfg_type;
  58
  59         if (cfg_type != TF_IF_TBL_CFG)
  60                 return -ENOTSUP;
  61
  62         *parms->hcapi_type = tbl_cfg[parms->db_index].hcapi_type;
  63
  64         return 0;
  65 }
  66
  67 int
  68 tf_if_tbl_bind(struct tf *tfp __rte_unused,
  69                struct tf_if_tbl_cfg_parms *parms)
  70 {
  71         TF_CHECK_PARMS2(tfp, parms);
  72
  73         if (init) {
  74                 TFP_DRV_LOG(ERR,
  75                             "IF TBL DB already initialized\n");
  76                 return -EINVAL;
  77         }
  78
  79         if_tbl_db[TF_DIR_RX] = parms->cfg;
  80         if_tbl_db[TF_DIR_TX] = parms->cfg;
  81
  82         init = 1;
  83
  84         TFP_DRV_LOG(INFO,
  85                     "Table Type - initialized\n");
  86
  87         return 0;
  88 }
  89
  90 int
  91 tf_if_tbl_unbind(struct tf *tfp __rte_unused)
  92 {
  93         /* Bail if nothing has been initialized */
  94         if (!init) {
  95                 TFP_DRV_LOG(INFO,
  96                             "No Table DBs created\n");
  97                 return 0;
  98         }
  99
 100         if_tbl_db[TF_DIR_RX] = NULL;
 101         if_tbl_db[TF_DIR_TX] = NULL;
 102         init = 0;
 103
 104         return 0;
 105 }
 106
 107 int
 108 tf_if_tbl_set(struct tf *tfp,
 109               struct tf_if_tbl_set_parms *parms)
 110 {
 111         int rc;
 112         struct tf_if_tbl_get_hcapi_parms hparms;
 113
 114         TF_CHECK_PARMS3(tfp, parms, parms->data);
 115
 116         if (!init) {
 117                 TFP_DRV_LOG(ERR,
 118                             "%s: No Table DBs created\n",
 119                             tf_dir_2_str(parms->dir));
 120                 return -EINVAL;
 121         }
 122
 123         /* Convert TF type to HCAPI type */
 124         hparms.tbl_db = if_tbl_db[parms->dir];
 125         hparms.db_index = parms->type;
 126         hparms.hcapi_type = &parms->hcapi_type;
 127         rc = tf_if_tbl_get_hcapi_type(&hparms);
 128         if (rc)
 129                 return rc;
 130
 131         rc = tf_msg_set_if_tbl_entry(tfp, parms);
 132         if (rc) {
 133                 TFP_DRV_LOG(ERR,
 134                             "%s, If Tbl set failed, type:%d, rc:%s\n",
 135                             tf_dir_2_str(parms->dir),
 136                             parms->type,
 137                             strerror(-rc));
 138         }
 139
 140         return 0;
 141 }
 142
 143 int
 144 tf_if_tbl_get(struct tf *tfp,
 145               struct tf_if_tbl_get_parms *parms)
 146 {
 147         int rc;
 148         struct tf_if_tbl_get_hcapi_parms hparms;
 149
 150         TF_CHECK_PARMS3(tfp, parms, parms->data);
 151
 152         if (!init) {
 153                 TFP_DRV_LOG(ERR,
 154                             "%s: No Table DBs created\n",
 155                             tf_dir_2_str(parms->dir));
 156                 return -EINVAL;
 157         }
 158
 159         /* Convert TF type to HCAPI type */
 160         hparms.tbl_db = if_tbl_db[parms->dir];
 161         hparms.db_index = parms->type;
 162         hparms.hcapi_type = &parms->hcapi_type;
 163         rc = tf_if_tbl_get_hcapi_type(&hparms);
 164         if (rc)
 165                 return rc;
 166
 167         /* Get the entry */
 168         rc = tf_msg_get_if_tbl_entry(tfp, parms);
 169         if (rc) {
 170                 TFP_DRV_LOG(ERR,
 171                             "%s, If Tbl get failed, type:%d, rc:%s\n",
 172                             tf_dir_2_str(parms->dir),
 173                             parms->type,
 174                             strerror(-rc));
 175         }
 176
 177         return 0;
 178 }