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