drivers/net/bnxt/tf_ulp/ulp_mapper.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2020 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include <rte_log.h>
   7 #include <rte_malloc.h>
   8 #include "bnxt.h"
   9 #include "ulp_template_db.h"
  10 #include "ulp_template_struct.h"
  11 #include "bnxt_tf_common.h"
  12 #include "ulp_utils.h"
  13 #include "bnxt_ulp.h"
  14 #include "tfp.h"
  15 #include "tf_ext_flow_handle.h"
  16 #include "ulp_mark_mgr.h"
  17 #include "ulp_flow_db.h"
  18 #include "ulp_mapper.h"
  19
  20 static struct bnxt_ulp_def_ident_info *
  21 ulp_mapper_def_ident_info_list_get(uint32_t *num_entries)
  22 {
  23         if (!num_entries)
  24                 return NULL;
  25         *num_entries = BNXT_ULP_DEF_IDENT_INFO_TBL_MAX_SZ;
  26         return ulp_def_ident_tbl;
  27 }
  28
  29 /*
  30  * Read a default identifier from the mapper regfile.
  31  *
  32  * The regval is always returned in big-endian.
  33  *
  34  * returns 0 on success
  35  */
  36 static int32_t
  37 ulp_mapper_def_regfile_read(struct bnxt_ulp_mapper_data *mapper_data,
  38                             enum tf_dir dir,
  39                             uint16_t idx,
  40                             uint64_t *regval)
  41 {
  42         if (!mapper_data || !regval ||
  43             dir >= TF_DIR_MAX || idx >= BNXT_ULP_DEF_REGFILE_INDEX_LAST)
  44                 return -EINVAL;
  45         *regval = mapper_data->dflt_ids[dir][idx].ident;
  46         return 0;
  47 }
  48
  49 /*
  50  * Write a default identifier to the mapper regfile
  51  *
  52  * The regval value must be in big-endian.
  53  *
  54  * return 0 on success.
  55  */
  56 static int32_t
  57 ulp_mapper_def_regfile_write(struct bnxt_ulp_mapper_data *mapper_data,
  58                              enum tf_dir dir,
  59                              uint16_t idx,
  60                              uint64_t regval)
  61 {
  62         if (!mapper_data || dir >= TF_DIR_MAX ||
  63             idx >= BNXT_ULP_DEF_REGFILE_INDEX_LAST)
  64                 return -EINVAL;
  65         mapper_data->dflt_ids[dir][idx].ident = regval;
  66         return 0;
  67 }
  68
  69 /* Retrieve the cache initialization parameters for the tbl_idx */
  70 static struct bnxt_ulp_cache_tbl_params *
  71 ulp_mapper_cache_tbl_params_get(uint32_t tbl_idx)
  72 {
  73         if (tbl_idx >= BNXT_ULP_CACHE_TBL_MAX_SZ)
  74                 return NULL;
  75
  76         return &ulp_cache_tbl_params[tbl_idx];
  77 }
  78
  79 /*
  80  * Get the size of the action property for a given index.
  81  *
  82  * idx [in] The index for the action property
  83  *
  84  * returns the size of the action property.
  85  */
  86 static uint32_t
  87 ulp_mapper_act_prop_size_get(uint32_t idx)
  88 {
  89         if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST)
  90                 return 0;
  91         return ulp_act_prop_map_table[idx];
  92 }
  93
  94 /*
  95  * Get the list of result fields that implement the flow action.
  96  * Gets a device dependent list of tables that implement the action template id.
  97  *
  98  * dev_id [in] The device id of the forwarding element
  99  *
 100  * tid [in] The action template id that matches the flow
 101  *
 102  * num_tbls [out] The number of action tables in the returned array
 103  *
 104  * Returns An array of action tables to implement the flow, or NULL on error.
 105  */
 106 static struct bnxt_ulp_mapper_act_tbl_info *
 107 ulp_mapper_action_tbl_list_get(uint32_t dev_id,
 108                                uint32_t tid,
 109                                uint32_t *num_tbls)
 110 {
 111         uint32_t        idx;
 112         uint32_t        tidx;
 113
 114         if (!num_tbls) {
 115                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
 116                 return NULL;
 117         }
 118
 119         /* template shift and device mask */
 120         tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
 121
 122         /* NOTE: Need to have something from template compiler to help validate
 123          * range of dev_id and act_tid
 124          */
 125         idx             = ulp_act_tmpl_list[tidx].start_tbl_idx;
 126         *num_tbls       = ulp_act_tmpl_list[tidx].num_tbls;
 127
 128         return &ulp_act_tbl_list[idx];
 129 }
 130
 131 /** Get a list of classifier tables that implement the flow
 132  * Gets a device dependent list of tables that implement the class template id
 133  *
 134  * dev_id [in] The device id of the forwarding element
 135  *
 136  * tid [in] The template id that matches the flow
 137  *
 138  * num_tbls [out] The number of classifier tables in the returned array
 139  *
 140  * returns An array of classifier tables to implement the flow, or NULL on
 141  * error
 142  */
 143 static struct bnxt_ulp_mapper_class_tbl_info *
 144 ulp_mapper_class_tbl_list_get(uint32_t dev_id,
 145                               uint32_t tid,
 146                               uint32_t *num_tbls)
 147 {
 148         uint32_t idx;
 149         uint32_t tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
 150
 151         if (!num_tbls)
 152                 return NULL;
 153
 154         /* NOTE: Need to have something from template compiler to help validate
 155          * range of dev_id and tid
 156          */
 157         idx             = ulp_class_tmpl_list[tidx].start_tbl_idx;
 158         *num_tbls       = ulp_class_tmpl_list[tidx].num_tbls;
 159
 160         return &ulp_class_tbl_list[idx];
 161 }
 162
 163 /*
 164  * Get the list of key fields that implement the flow.
 165  *
 166  * ctxt [in] The ulp context
 167  *
 168  * tbl [in] A single table instance to get the key fields from
 169  *
 170  * num_flds [out] The number of key fields in the returned array
 171  *
 172  * Returns array of Key fields, or NULL on error.
 173  */
 174 static struct bnxt_ulp_mapper_class_key_field_info *
 175 ulp_mapper_key_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
 176                           uint32_t *num_flds)
 177 {
 178         uint32_t idx;
 179
 180         if (!tbl || !num_flds)
 181                 return NULL;
 182
 183         idx             = tbl->key_start_idx;
 184         *num_flds       = tbl->key_num_fields;
 185
 186         /* NOTE: Need template to provide range checking define */
 187         return &ulp_class_key_field_list[idx];
 188 }
 189
 190 /*
 191  * Get the list of data fields that implement the flow.
 192  *
 193  * ctxt [in] The ulp context
 194  *
 195  * tbl [in] A single table instance to get the data fields from
 196  *
 197  * num_flds [out] The number of data fields in the returned array.
 198  *
 199  * Returns array of data fields, or NULL on error.
 200  */
 201 static struct bnxt_ulp_mapper_result_field_info *
 202 ulp_mapper_result_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
 203                              uint32_t *num_flds)
 204 {
 205         uint32_t idx;
 206
 207         if (!tbl || !num_flds)
 208                 return NULL;
 209
 210         idx             = tbl->result_start_idx;
 211         *num_flds       = tbl->result_num_fields;
 212
 213         /* NOTE: Need template to provide range checking define */
 214         return &ulp_class_result_field_list[idx];
 215 }
 216
 217 /*
 218  * Get the list of result fields that implement the flow action.
 219  *
 220  * tbl [in] A single table instance to get the results fields
 221  * from num_flds [out] The number of data fields in the returned
 222  * array.
 223  *
 224  * Returns array of data fields, or NULL on error.
 225  */
 226 static struct bnxt_ulp_mapper_result_field_info *
 227 ulp_mapper_act_result_fields_get(struct bnxt_ulp_mapper_act_tbl_info *tbl,
 228                                  uint32_t *num_rslt_flds,
 229                                  uint32_t *num_encap_flds)
 230 {
 231         uint32_t idx;
 232
 233         if (!tbl || !num_rslt_flds || !num_encap_flds)
 234                 return NULL;
 235
 236         idx             = tbl->result_start_idx;
 237         *num_rslt_flds  = tbl->result_num_fields;
 238         *num_encap_flds = tbl->encap_num_fields;
 239
 240         /* NOTE: Need template to provide range checking define */
 241         return &ulp_act_result_field_list[idx];
 242 }
 243
 244 /*
 245  * Get the list of ident fields that implement the flow
 246  *
 247  * tbl [in] A single table instance to get the ident fields from
 248  *
 249  * num_flds [out] The number of ident fields in the returned array
 250  *
 251  * returns array of ident fields, or NULL on error
 252  */
 253 static struct bnxt_ulp_mapper_ident_info *
 254 ulp_mapper_ident_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
 255                             uint32_t *num_flds)
 256 {
 257         uint32_t idx;
 258
 259         if (!tbl || !num_flds)
 260                 return NULL;
 261
 262         idx = tbl->ident_start_idx;
 263         *num_flds = tbl->ident_nums;
 264
 265         /* NOTE: Need template to provide range checking define */
 266         return &ulp_ident_list[idx];
 267 }
 268
 269 static struct bnxt_ulp_mapper_cache_entry *
 270 ulp_mapper_cache_entry_get(struct bnxt_ulp_context *ulp,
 271                            enum bnxt_ulp_cache_tbl_id id,
 272                            uint16_t key)
 273 {
 274         struct bnxt_ulp_mapper_data *mapper_data;
 275
 276         mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp);
 277         if (!mapper_data || !mapper_data->cache_tbl[id]) {
 278                 BNXT_TF_DBG(ERR, "Unable to acquire the cache tbl (%d)\n", id);
 279                 return NULL;
 280         }
 281
 282         return &mapper_data->cache_tbl[id][key];
 283 }
 284
 285 /*
 286  * Concatenates the tbl_type and tbl_id into a 32bit value for storing in the
 287  * resource_type.  This is done to conserve memory since both the tbl_type and
 288  * tbl_id are 16bit.
 289  */
 290 static inline void
 291 ulp_mapper_cache_res_type_set(struct ulp_flow_db_res_params *res,
 292                               uint16_t tbl_type,
 293                               uint16_t tbl_id)
 294 {
 295         res->resource_type = tbl_type;
 296         res->resource_sub_type = tbl_id;
 297 }
 298
 299 /* Extracts the tbl_type and tbl_id from the 32bit resource type. */
 300 static inline void
 301 ulp_mapper_cache_res_type_get(struct ulp_flow_db_res_params *res,
 302                               uint16_t *tbl_type,
 303                               uint16_t *tbl_id)
 304 {
 305         *tbl_type = res->resource_type;
 306         *tbl_id = res->resource_sub_type;
 307 }
 308
 309 static int32_t
 310 ulp_mapper_cache_entry_free(struct bnxt_ulp_context *ulp,
 311                            struct tf *tfp,
 312                            struct ulp_flow_db_res_params *res)
 313 {
 314         struct bnxt_ulp_mapper_cache_entry *cache_entry;
 315         struct tf_free_identifier_parms ident_parms;
 316         struct tf_free_tcam_entry_parms tcam_parms;
 317         uint16_t table_id, table_type;
 318         int32_t rc, trc, i;
 319
 320         /*
 321          * The table id, used for cache, and table_type, used for tcam, are
 322          * both encoded within the resource.  We must first extract them to
 323          * formulate the args for tf calls.
 324          */
 325         ulp_mapper_cache_res_type_get(res, &table_type, &table_id);
 326
 327         cache_entry = ulp_mapper_cache_entry_get(ulp, table_id,
 328                                                  (uint16_t)res->resource_hndl);
 329         if (!cache_entry || !cache_entry->ref_count) {
 330                 BNXT_TF_DBG(ERR, "Cache entry (%d:%d) not valid on free.\n",
 331                             table_id, (uint16_t)res->resource_hndl);
 332                 return -EINVAL;
 333         }
 334
 335         /*
 336          * See if we need to delete the entry.  The tcam and identifiers are all
 337          * tracked by the cached entries reference count.  All are deleted when
 338          * the reference count hit zero.
 339          */
 340         cache_entry->ref_count--;
 341         if (cache_entry->ref_count)
 342                 return 0;
 343
 344         /*
 345          * Need to delete the tcam entry and the allocated identifiers.
 346          * In the event of a failure, need to try to delete the remaining
 347          * resources before returning error.
 348          */
 349         tcam_parms.dir = res->direction;
 350         tcam_parms.tcam_tbl_type = table_type;
 351         tcam_parms.idx = cache_entry->tcam_idx;
 352         rc = tf_free_tcam_entry(tfp, &tcam_parms);
 353         if (rc)
 354                 BNXT_TF_DBG(ERR, "Failed to free tcam [%d][%s][0x%04x] rc=%d\n",
 355                             table_type,
 356                             (res->direction == TF_DIR_RX) ? "RX" : "TX",
 357                             tcam_parms.idx, rc);
 358
 359         /*
 360          * Free the identifiers associated with the tcam entry.  Entries with
 361          * negative one are considered uninitialized.
 362          */
 363         for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++) {
 364                 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
 365                         continue;
 366
 367                 ident_parms.dir = res->direction;
 368                 ident_parms.ident_type = cache_entry->ident_types[i];
 369                 ident_parms.id = cache_entry->idents[i];
 370                 trc = tf_free_identifier(tfp, &ident_parms);
 371                 if (trc) {
 372                         BNXT_TF_DBG(ERR, "Failed to free identifier "
 373                                     "[%d][%s][0x%04x] rc=%d\n",
 374                                     ident_parms.ident_type,
 375                                     (res->direction == TF_DIR_RX) ? "RX" : "TX",
 376                                     ident_parms.id, trc);
 377                         rc = trc;
 378                 }
 379         }
 380
 381         return rc;
 382 }
 383
 384 static inline int32_t
 385 ulp_mapper_tcam_entry_free(struct bnxt_ulp_context *ulp  __rte_unused,
 386                            struct tf *tfp,
 387                            struct ulp_flow_db_res_params *res)
 388 {
 389         struct tf_free_tcam_entry_parms fparms = {
 390                 .dir            = res->direction,
 391                 .tcam_tbl_type  = res->resource_type,
 392                 .idx            = (uint16_t)res->resource_hndl
 393         };
 394
 395         return tf_free_tcam_entry(tfp, &fparms);
 396 }
 397
 398 static inline int32_t
 399 ulp_mapper_index_entry_free(struct bnxt_ulp_context *ulp,
 400                             struct tf *tfp,
 401                             struct ulp_flow_db_res_params *res)
 402 {
 403         struct tf_free_tbl_entry_parms fparms = {
 404                 .dir    = res->direction,
 405                 .type   = res->resource_type,
 406                 .idx    = (uint32_t)res->resource_hndl
 407         };
 408
 409         /*
 410          * Just set the table scope, it will be ignored if not necessary
 411          * by the tf_free_tbl_entry
 412          */
 413         bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
 414
 415         return tf_free_tbl_entry(tfp, &fparms);
 416 }
 417
 418 static inline int32_t
 419 ulp_mapper_eem_entry_free(struct bnxt_ulp_context *ulp,
 420                           struct tf *tfp,
 421                           struct ulp_flow_db_res_params *res)
 422 {
 423         struct tf_delete_em_entry_parms fparms = { 0 };
 424         int32_t rc;
 425
 426         fparms.dir              = res->direction;
 427         fparms.mem              = TF_MEM_EXTERNAL;
 428         fparms.flow_handle      = res->resource_hndl;
 429
 430         rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
 431         if (rc) {
 432                 BNXT_TF_DBG(ERR, "Failed to get table scope\n");
 433                 return -EINVAL;
 434         }
 435
 436         return tf_delete_em_entry(tfp, &fparms);
 437 }
 438
 439 static inline int32_t
 440 ulp_mapper_ident_free(struct bnxt_ulp_context *ulp __rte_unused,
 441                       struct tf *tfp,
 442                       struct ulp_flow_db_res_params *res)
 443 {
 444         struct tf_free_identifier_parms fparms = {
 445                 .dir            = res->direction,
 446                 .ident_type     = res->resource_type,
 447                 .id             = (uint16_t)res->resource_hndl
 448         };
 449
 450         return tf_free_identifier(tfp, &fparms);
 451 }
 452
 453 static inline int32_t
 454 ulp_mapper_mark_free(struct bnxt_ulp_context *ulp,
 455                      struct ulp_flow_db_res_params *res)
 456 {
 457         return ulp_mark_db_mark_del(ulp,
 458                                     res->resource_type,
 459                                     res->resource_hndl);
 460 }
 461
 462 /*
 463  * Process the identifier instruction and either store it in the flow database
 464  * or return it in the val (if not NULL) on success.  If val is NULL, the
 465  * identifier is to be stored in the flow database.
 466  */
 467 static int32_t
 468 ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms,
 469                          struct bnxt_ulp_mapper_class_tbl_info *tbl,
 470                          struct bnxt_ulp_mapper_ident_info *ident,
 471                          uint16_t *val)
 472 {
 473         struct ulp_flow_db_res_params   fid_parms;
 474         uint64_t id = 0;
 475         int32_t idx;
 476         struct tf_alloc_identifier_parms iparms = { 0 };
 477         struct tf_free_identifier_parms free_parms = { 0 };
 478         struct tf *tfp;
 479         int rc;
 480
 481         tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
 482         if (!tfp) {
 483                 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n");
 484                 return -EINVAL;
 485         }
 486
 487         idx = ident->regfile_wr_idx;
 488
 489         iparms.ident_type = ident->ident_type;
 490         iparms.dir = tbl->direction;
 491
 492         rc = tf_alloc_identifier(tfp, &iparms);
 493         if (rc) {
 494                 BNXT_TF_DBG(ERR, "Alloc ident %s:%d failed.\n",
 495                             (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
 496                             iparms.ident_type);
 497                 return rc;
 498         }
 499
 500         id = (uint64_t)tfp_cpu_to_be_64(iparms.id);
 501         if (!ulp_regfile_write(parms->regfile, idx, id)) {
 502                 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx);
 503                 rc = -EINVAL;
 504                 /* Need to free the identifier, so goto error */
 505                 goto error;
 506         }
 507
 508         /* Link the resource to the flow in the flow db */
 509         if (!val) {
 510                 memset(&fid_parms, 0, sizeof(fid_parms));
 511                 fid_parms.direction             = tbl->direction;
 512                 fid_parms.resource_func = ident->resource_func;
 513                 fid_parms.resource_type = ident->ident_type;
 514                 fid_parms.resource_hndl = iparms.id;
 515                 fid_parms.critical_resource     = 0;
 516
 517                 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 518                                               parms->tbl_idx,
 519                                               parms->fid,
 520                                               &fid_parms);
 521                 if (rc) {
 522                         BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
 523                                     rc);
 524                         /* Need to free the identifier, so goto error */
 525                         goto error;
 526                 }
 527         } else {
 528                 *val = iparms.id;
 529         }
 530
 531         return 0;
 532
 533 error:
 534         /* Need to free the identifier */
 535         free_parms.dir          = tbl->direction;
 536         free_parms.ident_type   = ident->ident_type;
 537         free_parms.id           = iparms.id;
 538
 539         (void)tf_free_identifier(tfp, &free_parms);
 540
 541         BNXT_TF_DBG(ERR, "Ident process failed for %s:%s\n",
 542                     ident->description,
 543                     (tbl->direction == TF_DIR_RX) ? "RX" : "TX");
 544         return rc;
 545 }
 546
 547 static int32_t
 548 ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms,
 549                                 enum tf_dir dir,
 550                                 struct bnxt_ulp_mapper_result_field_info *fld,
 551                                 struct ulp_blob *blob,
 552                                 const char *name)
 553 {
 554         uint16_t idx, size_idx;
 555         uint8_t  *val = NULL;
 556         uint64_t regval;
 557         uint32_t val_size = 0, field_size = 0;
 558
 559         switch (fld->result_opcode) {
 560         case BNXT_ULP_RESULT_OPC_SET_TO_CONSTANT:
 561                 val = fld->result_operand;
 562                 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
 563                         BNXT_TF_DBG(ERR, "%s failed to add field\n", name);
 564                         return -EINVAL;
 565                 }
 566                 break;
 567         case BNXT_ULP_RESULT_OPC_SET_TO_ACT_PROP:
 568                 if (!ulp_operand_read(fld->result_operand,
 569                                       (uint8_t *)&idx, sizeof(uint16_t))) {
 570                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 571                         return -EINVAL;
 572                 }
 573                 idx = tfp_be_to_cpu_16(idx);
 574
 575                 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
 576                         BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
 577                         return -EINVAL;
 578                 }
 579                 val = &parms->act_prop->act_details[idx];
 580                 field_size = ulp_mapper_act_prop_size_get(idx);
 581                 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) {
 582                         field_size  = field_size -
 583                             ((fld->field_bit_size + 7) / 8);
 584                         val += field_size;
 585                 }
 586                 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
 587                         BNXT_TF_DBG(ERR, "%s push field failed\n", name);
 588                         return -EINVAL;
 589                 }
 590                 break;
 591         case BNXT_ULP_RESULT_OPC_SET_TO_ENCAP_ACT_PROP_SZ:
 592                 if (!ulp_operand_read(fld->result_operand,
 593                                       (uint8_t *)&idx, sizeof(uint16_t))) {
 594                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 595                         return -EINVAL;
 596                 }
 597                 idx = tfp_be_to_cpu_16(idx);
 598
 599                 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
 600                         BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
 601                         return -EINVAL;
 602                 }
 603                 val = &parms->act_prop->act_details[idx];
 604
 605                 /* get the size index next */
 606                 if (!ulp_operand_read(&fld->result_operand[sizeof(uint16_t)],
 607                                       (uint8_t *)&size_idx, sizeof(uint16_t))) {
 608                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 609                         return -EINVAL;
 610                 }
 611                 size_idx = tfp_be_to_cpu_16(size_idx);
 612
 613                 if (size_idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
 614                         BNXT_TF_DBG(ERR, "act_prop[%d] oob\n", size_idx);
 615                         return -EINVAL;
 616                 }
 617                 memcpy(&val_size, &parms->act_prop->act_details[size_idx],
 618                        sizeof(uint32_t));
 619                 val_size = tfp_be_to_cpu_32(val_size);
 620                 val_size = ULP_BYTE_2_BITS(val_size);
 621                 ulp_blob_push_encap(blob, val, val_size);
 622                 break;
 623         case BNXT_ULP_RESULT_OPC_SET_TO_REGFILE:
 624                 if (!ulp_operand_read(fld->result_operand,
 625                                       (uint8_t *)&idx, sizeof(uint16_t))) {
 626                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 627                         return -EINVAL;
 628                 }
 629
 630                 idx = tfp_be_to_cpu_16(idx);
 631                 /* Uninitialized regfile entries return 0 */
 632                 if (!ulp_regfile_read(parms->regfile, idx, &regval)) {
 633                         BNXT_TF_DBG(ERR, "%s regfile[%d] read oob\n",
 634                                     name, idx);
 635                         return -EINVAL;
 636                 }
 637
 638                 val = ulp_blob_push_64(blob, &regval, fld->field_bit_size);
 639                 if (!val) {
 640                         BNXT_TF_DBG(ERR, "%s push field failed\n", name);
 641                         return -EINVAL;
 642                 }
 643                 break;
 644         case BNXT_ULP_RESULT_OPC_SET_TO_DEF_REGFILE:
 645                 if (!ulp_operand_read(fld->result_operand,
 646                                       (uint8_t *)&idx,
 647                                       sizeof(uint16_t))) {
 648                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 649                         return -EINVAL;
 650                 }
 651                 idx = tfp_be_to_cpu_16(idx);
 652                 if (ulp_mapper_def_regfile_read(parms->mapper_data,
 653                                                 dir,
 654                                                 idx, &regval)) {
 655                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 656                                     name, idx);
 657                         return -EINVAL;
 658                 }
 659                 val = ulp_blob_push_64(blob, &regval, fld->field_bit_size);
 660                 if (!val) {
 661                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 662                         return -EINVAL;
 663                 }
 664                 break;
 665         case BNXT_ULP_RESULT_OPC_SET_TO_COMP_FIELD:
 666                 if (!ulp_operand_read(fld->result_operand,
 667                                       (uint8_t *)&idx,
 668                                       sizeof(uint16_t))) {
 669                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 670                         return -EINVAL;
 671                 }
 672                 idx = tfp_be_to_cpu_16(idx);
 673                 if (idx < BNXT_ULP_CF_IDX_LAST)
 674                         val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
 675                                                fld->field_bit_size);
 676                 if (!val) {
 677                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 678                         return -EINVAL;
 679                 }
 680                 break;
 681         default:
 682                 return -EINVAL;
 683         }
 684         return 0;
 685 }
 686
 687 /* Function to alloc action record and set the table. */
 688 static int32_t
 689 ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms,
 690                                  enum tf_dir dir,
 691                                  struct bnxt_ulp_mapper_class_key_field_info *f,
 692                                  struct ulp_blob *blob,
 693                                  uint8_t is_key,
 694                                  const char *name)
 695 {
 696         uint64_t val64;
 697         uint16_t idx, bitlen;
 698         uint32_t opcode;
 699         uint8_t *operand;
 700         struct ulp_regfile *regfile = parms->regfile;
 701         uint8_t *val = NULL;
 702         struct bnxt_ulp_mapper_class_key_field_info *fld = f;
 703         uint32_t field_size;
 704
 705         if (is_key) {
 706                 operand = fld->spec_operand;
 707                 opcode  = fld->spec_opcode;
 708         } else {
 709                 operand = fld->mask_operand;
 710                 opcode  = fld->mask_opcode;
 711         }
 712
 713         bitlen = fld->field_bit_size;
 714
 715         switch (opcode) {
 716         case BNXT_ULP_SPEC_OPC_SET_TO_CONSTANT:
 717                 val = operand;
 718                 if (!ulp_blob_push(blob, val, bitlen)) {
 719                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 720                         return -EINVAL;
 721                 }
 722                 break;
 723         case BNXT_ULP_SPEC_OPC_ADD_PAD:
 724                 if (!ulp_blob_pad_push(blob, bitlen)) {
 725                         BNXT_TF_DBG(ERR, "%s pad too large for blob\n", name);
 726                         return -EINVAL;
 727                 }
 728
 729                 break;
 730         case BNXT_ULP_SPEC_OPC_SET_TO_HDR_FIELD:
 731                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 732                                       sizeof(uint16_t))) {
 733                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 734                         return -EINVAL;
 735                 }
 736                 idx = tfp_be_to_cpu_16(idx);
 737                 if (is_key)
 738                         val = parms->hdr_field[idx].spec;
 739                 else
 740                         val = parms->hdr_field[idx].mask;
 741
 742                 /*
 743                  * Need to account for how much data was pushed to the header
 744                  * field vs how much is to be inserted in the key/mask.
 745                  */
 746                 field_size = parms->hdr_field[idx].size;
 747                 if (bitlen < ULP_BYTE_2_BITS(field_size)) {
 748                         field_size  = field_size - ((bitlen + 7) / 8);
 749                         val += field_size;
 750                 }
 751
 752                 if (!ulp_blob_push(blob, val, bitlen)) {
 753                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 754                         return -EINVAL;
 755                 }
 756                 break;
 757         case BNXT_ULP_SPEC_OPC_SET_TO_COMP_FIELD:
 758                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 759                                       sizeof(uint16_t))) {
 760                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 761                         return -EINVAL;
 762                 }
 763                 idx = tfp_be_to_cpu_16(idx);
 764                 if (idx < BNXT_ULP_CF_IDX_LAST)
 765                         val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
 766                                                bitlen);
 767                 if (!val) {
 768                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 769                         return -EINVAL;
 770                 }
 771                 break;
 772         case BNXT_ULP_SPEC_OPC_SET_TO_REGFILE:
 773                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 774                                       sizeof(uint16_t))) {
 775                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 776                         return -EINVAL;
 777                 }
 778                 idx = tfp_be_to_cpu_16(idx);
 779
 780                 if (!ulp_regfile_read(regfile, idx, &val64)) {
 781                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 782                                     name, idx);
 783                         return -EINVAL;
 784                 }
 785
 786                 val = ulp_blob_push_64(blob, &val64, bitlen);
 787                 if (!val) {
 788                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 789                         return -EINVAL;
 790                 }
 791                 break;
 792         case BNXT_ULP_SPEC_OPC_SET_TO_DEF_REGFILE:
 793                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 794                                       sizeof(uint16_t))) {
 795                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 796                         return -EINVAL;
 797                 }
 798                 idx = tfp_be_to_cpu_16(idx);
 799                 if (ulp_mapper_def_regfile_read(parms->mapper_data,
 800                                                 dir,
 801                                                 idx, &val64)) {
 802                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 803                                     name, idx);
 804                         return -EINVAL;
 805                 }
 806                 val = ulp_blob_push_64(blob, &val64, bitlen);
 807                 if (!val) {
 808                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 809                         return -EINVAL;
 810                 }
 811                 break;
 812         default:
 813                 break;
 814         }
 815
 816         return 0;
 817 }
 818
 819 /* Function to alloc action record and set the table. */
 820 static int32_t
 821 ulp_mapper_action_alloc_and_set(struct bnxt_ulp_mapper_parms *parms,
 822                                 struct ulp_blob *blob)
 823 {
 824         struct ulp_flow_db_res_params           fid_parms;
 825         struct tf_alloc_tbl_entry_parms         alloc_parms = { 0 };
 826         struct tf_free_tbl_entry_parms          free_parms = { 0 };
 827         struct bnxt_ulp_mapper_act_tbl_info     *atbls = parms->atbls;
 828         int32_t                                 rc = 0;
 829         int32_t trc;
 830         uint64_t                                idx;
 831         uint32_t tbl_scope_id;
 832
 833         bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
 834
 835         /* Set the allocation parameters for the table*/
 836         alloc_parms.dir = atbls->direction;
 837         alloc_parms.type = atbls->table_type;
 838         alloc_parms.search_enable = atbls->srch_b4_alloc;
 839         alloc_parms.result = ulp_blob_data_get(blob,
 840                                                &alloc_parms.result_sz_in_bytes);
 841         alloc_parms.tbl_scope_id = tbl_scope_id;
 842         if (!alloc_parms.result) {
 843                 BNXT_TF_DBG(ERR, "blob is not populated\n");
 844                 return -EINVAL;
 845         }
 846
 847         rc = tf_alloc_tbl_entry(parms->tfp, &alloc_parms);
 848         if (rc) {
 849                 BNXT_TF_DBG(ERR, "table type= [%d] dir = [%s] alloc failed\n",
 850                             alloc_parms.type,
 851                             (alloc_parms.dir == TF_DIR_RX) ? "RX" : "TX");
 852                 return rc;
 853         }
 854
 855         /* Need to calculate the idx for the result record */
 856         uint64_t tmpidx = alloc_parms.idx;
 857
 858         if (atbls->table_type == TF_TBL_TYPE_EXT)
 859                 tmpidx = TF_ACT_REC_OFFSET_2_PTR(alloc_parms.idx);
 860         else
 861                 tmpidx = alloc_parms.idx;
 862
 863         idx = tfp_cpu_to_be_64(tmpidx);
 864
 865         /* Store the allocated index for future use in the regfile */
 866         rc = ulp_regfile_write(parms->regfile, atbls->regfile_wr_idx, idx);
 867         if (!rc) {
 868                 BNXT_TF_DBG(ERR, "regfile[%d] write failed\n",
 869                             atbls->regfile_wr_idx);
 870                 rc = -EINVAL;
 871                 goto error;
 872         }
 873
 874         /*
 875          * The set_tbl_entry API if search is not enabled or searched entry
 876          * is not found.
 877          */
 878         if (!atbls->srch_b4_alloc || !alloc_parms.hit) {
 879                 struct tf_set_tbl_entry_parms set_parm = { 0 };
 880                 uint16_t        length;
 881
 882                 set_parm.dir    = atbls->direction;
 883                 set_parm.type   = atbls->table_type;
 884                 set_parm.idx    = alloc_parms.idx;
 885                 set_parm.data   = ulp_blob_data_get(blob, &length);
 886                 set_parm.data_sz_in_bytes = length / 8;
 887
 888                 if (set_parm.type == TF_TBL_TYPE_EXT)
 889                         set_parm.tbl_scope_id = tbl_scope_id;
 890
 891                 /* set the table entry */
 892                 rc = tf_set_tbl_entry(parms->tfp, &set_parm);
 893                 if (rc) {
 894                         BNXT_TF_DBG(ERR, "table[%d][%s][%d] set failed\n",
 895                                     set_parm.type,
 896                                     (set_parm.dir == TF_DIR_RX) ? "RX" : "TX",
 897                                     set_parm.idx);
 898                         goto error;
 899                 }
 900         }
 901
 902         /* Link the resource to the flow in the flow db */
 903         memset(&fid_parms, 0, sizeof(fid_parms));
 904         fid_parms.direction             = atbls->direction;
 905         fid_parms.resource_func         = atbls->resource_func;
 906         fid_parms.resource_type         = atbls->table_type;
 907         fid_parms.resource_hndl         = alloc_parms.idx;
 908         fid_parms.critical_resource     = 0;
 909
 910         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 911                                       parms->tbl_idx,
 912                                       parms->fid,
 913                                       &fid_parms);
 914         if (rc) {
 915                 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
 916                             rc);
 917                 rc = -EINVAL;
 918                 goto error;
 919         }
 920
 921         return 0;
 922 error:
 923
 924         free_parms.dir  = alloc_parms.dir;
 925         free_parms.type = alloc_parms.type;
 926         free_parms.idx  = alloc_parms.idx;
 927
 928         trc = tf_free_tbl_entry(parms->tfp, &free_parms);
 929         if (trc)
 930                 BNXT_TF_DBG(ERR, "Failed to free table entry on failure\n");
 931
 932         return rc;
 933 }
 934
 935 /*
 936  * Function to process the action Info. Iterate through the list
 937  * action info templates and process it.
 938  */
 939 static int32_t
 940 ulp_mapper_action_info_process(struct bnxt_ulp_mapper_parms *parms,
 941                                struct bnxt_ulp_mapper_act_tbl_info *tbl)
 942 {
 943         struct ulp_blob                                 blob;
 944         struct bnxt_ulp_mapper_result_field_info        *flds, *fld;
 945         uint32_t                                        num_flds = 0;
 946         uint32_t                                        encap_flds = 0;
 947         uint32_t                                        i;
 948         int32_t                                         rc;
 949         uint16_t                                        bit_size;
 950
 951         if (!tbl || !parms->act_prop || !parms->act_bitmap || !parms->regfile)
 952                 return -EINVAL;
 953
 954         /* use the max size if encap is enabled */
 955         if (tbl->encap_num_fields)
 956                 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS;
 957         else
 958                 bit_size = tbl->result_bit_size;
 959         if (!ulp_blob_init(&blob, bit_size, parms->order)) {
 960                 BNXT_TF_DBG(ERR, "action blob init failed\n");
 961                 return -EINVAL;
 962         }
 963
 964         flds = ulp_mapper_act_result_fields_get(tbl, &num_flds, &encap_flds);
 965         if (!flds || !num_flds) {
 966                 BNXT_TF_DBG(ERR, "Template undefined for action\n");
 967                 return -EINVAL;
 968         }
 969
 970         for (i = 0; i < (num_flds + encap_flds); i++) {
 971                 fld = &flds[i];
 972                 rc = ulp_mapper_result_field_process(parms,
 973                                                      tbl->direction,
 974                                                      fld,
 975                                                      &blob,
 976                                                      "Action");
 977                 if (rc) {
 978                         BNXT_TF_DBG(ERR, "Action field failed\n");
 979                         return rc;
 980                 }
 981                 /* set the swap index if 64 bit swap is enabled */
 982                 if (parms->encap_byte_swap && encap_flds) {
 983                         if ((i + 1) == num_flds)
 984                                 ulp_blob_encap_swap_idx_set(&blob);
 985                         /* if 64 bit swap is enabled perform the 64bit swap */
 986                         if ((i + 1) == (num_flds + encap_flds))
 987                                 ulp_blob_perform_encap_swap(&blob);
 988                 }
 989         }
 990
 991         rc = ulp_mapper_action_alloc_and_set(parms, &blob);
 992         return rc;
 993 }
 994
 995 static int32_t
 996 ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
 997                             struct bnxt_ulp_mapper_class_tbl_info *tbl)
 998 {
 999         struct bnxt_ulp_mapper_class_key_field_info     *kflds;
1000         struct ulp_blob key, mask, data;
1001         uint32_t i, num_kflds;
1002         struct tf *tfp;
1003         int32_t rc, trc;
1004         struct tf_alloc_tcam_entry_parms aparms         = { 0 };
1005         struct tf_set_tcam_entry_parms sparms           = { 0 };
1006         struct ulp_flow_db_res_params   fid_parms       = { 0 };
1007         struct tf_free_tcam_entry_parms free_parms      = { 0 };
1008         uint32_t hit = 0;
1009         uint16_t tmplen = 0;
1010
1011         /* Skip this if was handled by the cache. */
1012         if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP) {
1013                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1014                 return 0;
1015         }
1016
1017         tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1018         if (!tfp) {
1019                 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
1020                 return -EINVAL;
1021         }
1022
1023         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1024         if (!kflds || !num_kflds) {
1025                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1026                 return -EINVAL;
1027         }
1028
1029         if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order) ||
1030             !ulp_blob_init(&mask, tbl->key_bit_size, parms->order) ||
1031             !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1032                 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1033                 return -EINVAL;
1034         }
1035
1036         /* create the key/mask */
1037         /*
1038          * NOTE: The WC table will require some kind of flag to handle the
1039          * mode bits within the key/mask
1040          */
1041         for (i = 0; i < num_kflds; i++) {
1042                 /* Setup the key */
1043                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1044                                                       &kflds[i],
1045                                                       &key, 1, "TCAM Key");
1046                 if (rc) {
1047                         BNXT_TF_DBG(ERR, "Key field set failed.\n");
1048                         return rc;
1049                 }
1050
1051                 /* Setup the mask */
1052                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1053                                                       &kflds[i],
1054                                                       &mask, 0, "TCAM Mask");
1055                 if (rc) {
1056                         BNXT_TF_DBG(ERR, "Mask field set failed.\n");
1057                         return rc;
1058                 }
1059         }
1060
1061         aparms.dir              = tbl->direction;
1062         aparms.tcam_tbl_type    = tbl->table_type;
1063         aparms.search_enable    = tbl->srch_b4_alloc;
1064         aparms.key_sz_in_bits   = tbl->key_bit_size;
1065         aparms.key              = ulp_blob_data_get(&key, &tmplen);
1066         if (tbl->key_bit_size != tmplen) {
1067                 BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n",
1068                             tmplen, tbl->key_bit_size);
1069                 return -EINVAL;
1070         }
1071
1072         aparms.mask             = ulp_blob_data_get(&mask, &tmplen);
1073         if (tbl->key_bit_size != tmplen) {
1074                 BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n",
1075                             tmplen, tbl->key_bit_size);
1076                 return -EINVAL;
1077         }
1078
1079         aparms.priority         = tbl->priority;
1080
1081         /*
1082          * All failures after this succeeds require the entry to be freed.
1083          * cannot return directly on failure, but needs to goto error
1084          */
1085         rc = tf_alloc_tcam_entry(tfp, &aparms);
1086         if (rc) {
1087                 BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
1088                 return rc;
1089         }
1090
1091         hit = aparms.hit;
1092
1093         /* Build the result */
1094         if (!tbl->srch_b4_alloc || !hit) {
1095                 struct bnxt_ulp_mapper_result_field_info *dflds;
1096                 struct bnxt_ulp_mapper_ident_info *idents;
1097                 uint32_t num_dflds, num_idents;
1098
1099                 /*
1100                  * Since the cache entry is responsible for allocating
1101                  * identifiers when in use, allocate the identifiers only
1102                  * during normal processing.
1103                  */
1104                 if (parms->tcam_tbl_opc ==
1105                     BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1106                         idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1107
1108                         for (i = 0; i < num_idents; i++) {
1109                                 rc = ulp_mapper_ident_process(parms, tbl,
1110                                                               &idents[i], NULL);
1111                                 /* Already logged the error, just return */
1112                                 if (rc)
1113                                         goto error;
1114                         }
1115                 }
1116
1117                 /* Create the result data blob */
1118                 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1119                 if (!dflds || !num_dflds) {
1120                         BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1121                         rc = -EINVAL;
1122                         goto error;
1123                 }
1124
1125                 for (i = 0; i < num_dflds; i++) {
1126                         rc = ulp_mapper_result_field_process(parms,
1127                                                              tbl->direction,
1128                                                              &dflds[i],
1129                                                              &data,
1130                                                              "TCAM Result");
1131                         if (rc) {
1132                                 BNXT_TF_DBG(ERR, "Failed to set data fields\n");
1133                                 goto error;
1134                         }
1135                 }
1136
1137                 sparms.dir              = aparms.dir;
1138                 sparms.tcam_tbl_type    = aparms.tcam_tbl_type;
1139                 sparms.idx              = aparms.idx;
1140                 /* Already verified the key/mask lengths */
1141                 sparms.key              = ulp_blob_data_get(&key, &tmplen);
1142                 sparms.mask             = ulp_blob_data_get(&mask, &tmplen);
1143                 sparms.key_sz_in_bits   = tbl->key_bit_size;
1144                 sparms.result           = ulp_blob_data_get(&data, &tmplen);
1145
1146                 if (tbl->result_bit_size != tmplen) {
1147                         BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n",
1148                                     tmplen, tbl->result_bit_size);
1149                         rc = -EINVAL;
1150                         goto error;
1151                 }
1152                 sparms.result_sz_in_bits = tbl->result_bit_size;
1153
1154                 rc = tf_set_tcam_entry(tfp, &sparms);
1155                 if (rc) {
1156                         BNXT_TF_DBG(ERR, "tcam[%d][%s][%d] write failed.\n",
1157                                     sparms.tcam_tbl_type,
1158                                     (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1159                                     sparms.idx);
1160                         goto error;
1161                 }
1162
1163                 /* Update cache with TCAM index if the was cache allocated. */
1164                 if (parms->tcam_tbl_opc ==
1165                     BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC) {
1166                         if (!parms->cache_ptr) {
1167                                 BNXT_TF_DBG(ERR, "Unable to update cache");
1168                                 rc = -EINVAL;
1169                                 goto error;
1170                         }
1171                         parms->cache_ptr->tcam_idx = aparms.idx;
1172                 }
1173
1174         } else {
1175                 BNXT_TF_DBG(ERR, "Not supporting search before alloc now\n");
1176                 rc = -EINVAL;
1177                 goto error;
1178         }
1179
1180         /*
1181          * Only link the entry to the flow db in the event that cache was not
1182          * used.
1183          */
1184         if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1185                 fid_parms.direction = tbl->direction;
1186                 fid_parms.resource_func = tbl->resource_func;
1187                 fid_parms.resource_type = tbl->table_type;
1188                 fid_parms.critical_resource = tbl->critical_resource;
1189                 fid_parms.resource_hndl = aparms.idx;
1190                 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1191                                               parms->tbl_idx,
1192                                               parms->fid,
1193                                               &fid_parms);
1194                 if (rc) {
1195                         BNXT_TF_DBG(ERR,
1196                                     "Failed to link resource to flow rc = %d\n",
1197                                     rc);
1198                         /* Need to free the identifier, so goto error */
1199                         goto error;
1200                 }
1201         } else {
1202                 /*
1203                  * Reset the tcam table opcode to normal in case the next tcam
1204                  * entry does not use cache.
1205                  */
1206                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1207                 parms->cache_ptr = NULL;
1208         }
1209
1210         return 0;
1211 error:
1212         parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1213         free_parms.dir                  = tbl->direction;
1214         free_parms.tcam_tbl_type        = tbl->table_type;
1215         free_parms.idx                  = aparms.idx;
1216         trc = tf_free_tcam_entry(tfp, &free_parms);
1217         if (trc)
1218                 BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n",
1219                             tbl->table_type, tbl->direction, aparms.idx);
1220
1221         return rc;
1222 }
1223
1224 static int32_t
1225 ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1226                           struct bnxt_ulp_mapper_class_tbl_info *tbl)
1227 {
1228         struct bnxt_ulp_mapper_class_key_field_info     *kflds;
1229         struct bnxt_ulp_mapper_result_field_info *dflds;
1230         struct ulp_blob key, data;
1231         uint32_t i, num_kflds, num_dflds;
1232         uint16_t tmplen;
1233         struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1234         struct ulp_rte_act_prop  *a_prop = parms->act_prop;
1235         struct ulp_flow_db_res_params   fid_parms = { 0 };
1236         struct tf_insert_em_entry_parms iparms = { 0 };
1237         struct tf_delete_em_entry_parms free_parms = { 0 };
1238         int32_t trc;
1239         int32_t rc = 0;
1240
1241         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1242         if (!kflds || !num_kflds) {
1243                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1244                 return -EINVAL;
1245         }
1246
1247         /* Initialize the key/result blobs */
1248         if (!ulp_blob_init(&key, tbl->blob_key_bit_size, parms->order) ||
1249             !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1250                 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1251                 return -EINVAL;
1252         }
1253
1254         /* create the key */
1255         for (i = 0; i < num_kflds; i++) {
1256                 /* Setup the key */
1257                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1258                                                       &kflds[i],
1259                                                       &key, 1, "EM Key");
1260                 if (rc) {
1261                         BNXT_TF_DBG(ERR, "Key field set failed.\n");
1262                         return rc;
1263                 }
1264         }
1265
1266         /*
1267          * TBD: Normally should process identifiers in case of using recycle or
1268          * loopback.  Not supporting recycle for now.
1269          */
1270
1271         /* Create the result data blob */
1272         dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1273         if (!dflds || !num_dflds) {
1274                 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1275                 return -EINVAL;
1276         }
1277
1278         for (i = 0; i < num_dflds; i++) {
1279                 struct bnxt_ulp_mapper_result_field_info *fld;
1280
1281                 fld = &dflds[i];
1282
1283                 rc = ulp_mapper_result_field_process(parms,
1284                                                      tbl->direction,
1285                                                      fld,
1286                                                      &data,
1287                                                      "EM Result");
1288                 if (rc) {
1289                         BNXT_TF_DBG(ERR, "Failed to set data fields.\n");
1290                         return rc;
1291                 }
1292         }
1293
1294         rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
1295                                              &iparms.tbl_scope_id);
1296         if (rc) {
1297                 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1298                 return rc;
1299         }
1300
1301         /*
1302          * NOTE: the actual blob size will differ from the size in the tbl
1303          * entry due to the padding.
1304          */
1305         iparms.dup_check                = 0;
1306         iparms.dir                      = tbl->direction;
1307         iparms.mem                      = tbl->table_type;
1308         iparms.key                      = ulp_blob_data_get(&key, &tmplen);
1309         iparms.key_sz_in_bits           = tbl->key_bit_size;
1310         iparms.em_record                = ulp_blob_data_get(&data, &tmplen);
1311         iparms.em_record_sz_in_bits     = tbl->result_bit_size;
1312
1313         rc = tf_insert_em_entry(tfp, &iparms);
1314         if (rc) {
1315                 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
1316                 return rc;
1317         }
1318
1319         if (tbl->mark_enable &&
1320             ULP_BITMAP_ISSET(parms->act_bitmap->bits,
1321                              BNXT_ULP_ACTION_BIT_MARK)) {
1322                 uint32_t val, mark, gfid, flag;
1323                 /* TBD: Need to determine if GFID is enabled globally */
1324                 if (sizeof(val) != BNXT_ULP_ACT_PROP_SZ_MARK) {
1325                         BNXT_TF_DBG(ERR, "Mark size (%d) != expected (%zu)\n",
1326                                     BNXT_ULP_ACT_PROP_SZ_MARK, sizeof(val));
1327                         rc = -EINVAL;
1328                         goto error;
1329                 }
1330
1331                 memcpy(&val,
1332                        &a_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
1333                        sizeof(val));
1334
1335                 mark = tfp_be_to_cpu_32(val);
1336
1337                 TF_GET_GFID_FROM_FLOW_ID(iparms.flow_id, gfid);
1338                 flag = BNXT_ULP_MARK_GLOBAL_HW_FID;
1339                 rc = ulp_mark_db_mark_add(parms->ulp_ctx,
1340                                           flag,
1341                                           gfid,
1342                                           mark);
1343                 if (rc) {
1344                         BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1345                         goto error;
1346                 }
1347
1348                 /*
1349                  * Link the mark resource to the flow in the flow db
1350                  * The mark is never the critical resource, so it is 0.
1351                  */
1352                 memset(&fid_parms, 0, sizeof(fid_parms));
1353                 fid_parms.direction     = tbl->direction;
1354                 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
1355                 fid_parms.resource_type = flag;
1356                 fid_parms.resource_hndl = gfid;
1357                 fid_parms.critical_resource = 0;
1358
1359                 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1360                                               parms->tbl_idx,
1361                                               parms->fid,
1362                                               &fid_parms);
1363                 if (rc) {
1364                         BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1365                                     rc);
1366                         /* Need to free the identifier, so goto error */
1367                         goto error;
1368                 }
1369         }
1370
1371         /* Link the EM resource to the flow in the flow db */
1372         memset(&fid_parms, 0, sizeof(fid_parms));
1373         fid_parms.direction             = tbl->direction;
1374         fid_parms.resource_func         = tbl->resource_func;
1375         fid_parms.resource_type         = tbl->table_type;
1376         fid_parms.critical_resource     = tbl->critical_resource;
1377         fid_parms.resource_hndl         = iparms.flow_handle;
1378
1379         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1380                                       parms->tbl_idx,
1381                                       parms->fid,
1382                                       &fid_parms);
1383         if (rc) {
1384                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1385                             rc);
1386                 /* Need to free the identifier, so goto error */
1387                 goto error;
1388         }
1389
1390         return 0;
1391 error:
1392         free_parms.dir          = iparms.dir;
1393         free_parms.mem          = iparms.mem;
1394         free_parms.tbl_scope_id = iparms.tbl_scope_id;
1395         free_parms.flow_handle  = iparms.flow_handle;
1396
1397         trc = tf_delete_em_entry(tfp, &free_parms);
1398         if (trc)
1399                 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
1400
1401         return rc;
1402 }
1403
1404 static int32_t
1405 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1406                              struct bnxt_ulp_mapper_class_tbl_info *tbl)
1407 {
1408         struct bnxt_ulp_mapper_result_field_info *flds;
1409         struct ulp_flow_db_res_params   fid_parms;
1410         struct ulp_blob data;
1411         uint64_t idx;
1412         uint16_t tmplen;
1413         uint32_t i, num_flds;
1414         int32_t rc = 0, trc = 0;
1415         struct tf_alloc_tbl_entry_parms aparms = { 0 };
1416         struct tf_set_tbl_entry_parms   sparms = { 0 };
1417         struct tf_free_tbl_entry_parms  free_parms = { 0 };
1418         uint32_t tbl_scope_id;
1419         struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1420
1421         bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
1422
1423         if (!ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1424                 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
1425                 return -EINVAL;
1426         }
1427
1428         flds = ulp_mapper_result_fields_get(tbl, &num_flds);
1429         if (!flds || !num_flds) {
1430                 BNXT_TF_DBG(ERR, "Template undefined for action\n");
1431                 return -EINVAL;
1432         }
1433
1434         for (i = 0; i < num_flds; i++) {
1435                 rc = ulp_mapper_result_field_process(parms,
1436                                                      tbl->direction,
1437                                                      &flds[i],
1438                                                      &data,
1439                                                      "Indexed Result");
1440                 if (rc) {
1441                         BNXT_TF_DBG(ERR, "data field failed\n");
1442                         return rc;
1443                 }
1444         }
1445
1446         aparms.dir              = tbl->direction;
1447         aparms.type             = tbl->table_type;
1448         aparms.search_enable    = tbl->srch_b4_alloc;
1449         aparms.result           = ulp_blob_data_get(&data, &tmplen);
1450         aparms.result_sz_in_bytes = ULP_SZ_BITS2BYTES(tbl->result_bit_size);
1451         aparms.tbl_scope_id     = tbl_scope_id;
1452
1453         /* All failures after the alloc succeeds require a free */
1454         rc = tf_alloc_tbl_entry(tfp, &aparms);
1455         if (rc) {
1456                 BNXT_TF_DBG(ERR, "Alloc table[%d][%s] failed rc=%d\n",
1457                             tbl->table_type,
1458                             (tbl->direction == TF_DIR_RX) ? "RX" : "TX",
1459                             rc);
1460                 return rc;
1461         }
1462
1463         /* Always storing values in Regfile in BE */
1464         idx = tfp_cpu_to_be_64(aparms.idx);
1465         rc = ulp_regfile_write(parms->regfile, tbl->regfile_wr_idx, idx);
1466         if (!rc) {
1467                 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
1468                             tbl->regfile_wr_idx);
1469                 goto error;
1470         }
1471
1472         if (!tbl->srch_b4_alloc) {
1473                 sparms.dir              = tbl->direction;
1474                 sparms.type             = tbl->table_type;
1475                 sparms.data             = ulp_blob_data_get(&data, &tmplen);
1476                 sparms.data_sz_in_bytes =
1477                         ULP_SZ_BITS2BYTES(tbl->result_bit_size);
1478                 sparms.idx              = aparms.idx;
1479                 sparms.tbl_scope_id     = tbl_scope_id;
1480
1481                 rc = tf_set_tbl_entry(tfp, &sparms);
1482                 if (rc) {
1483                         BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
1484                                     tbl->table_type,
1485                                     (tbl->direction == TF_DIR_RX) ? "RX" : "TX",
1486                                     sparms.idx,
1487                                     rc);
1488
1489                         goto error;
1490                 }
1491         }
1492
1493         /* Link the resource to the flow in the flow db */
1494         memset(&fid_parms, 0, sizeof(fid_parms));
1495         fid_parms.direction     = tbl->direction;
1496         fid_parms.resource_func = tbl->resource_func;
1497         fid_parms.resource_type = tbl->table_type;
1498         fid_parms.resource_hndl = aparms.idx;
1499         fid_parms.critical_resource     = 0;
1500
1501         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1502                                       parms->tbl_idx,
1503                                       parms->fid,
1504                                       &fid_parms);
1505         if (rc) {
1506                 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
1507                             rc);
1508                 goto error;
1509         }
1510
1511         return rc;
1512 error:
1513         /*
1514          * Free the allocated resource since we failed to either
1515          * write to the entry or link the flow
1516          */
1517         free_parms.dir  = tbl->direction;
1518         free_parms.type = tbl->table_type;
1519         free_parms.idx  = aparms.idx;
1520         free_parms.tbl_scope_id = tbl_scope_id;
1521
1522         trc = tf_free_tbl_entry(tfp, &free_parms);
1523         if (trc)
1524                 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
1525
1526         return rc;
1527 }
1528
1529 static int32_t
1530 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1531                              struct bnxt_ulp_mapper_class_tbl_info *tbl)
1532 {
1533         struct bnxt_ulp_mapper_class_key_field_info *kflds;
1534         struct bnxt_ulp_mapper_cache_entry *cache_entry;
1535         struct bnxt_ulp_mapper_ident_info *idents;
1536         uint32_t i, num_kflds = 0, num_idents = 0;
1537         struct ulp_flow_db_res_params fid_parms;
1538         struct tf_free_identifier_parms fparms;
1539         uint16_t tmplen, tmp_ident;
1540         struct ulp_blob key;
1541         uint8_t *cache_key;
1542         uint64_t regval;
1543         uint16_t *ckey;
1544         int32_t rc;
1545
1546         /* Get the key fields list and build the key. */
1547         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1548         if (!kflds || !num_kflds) {
1549                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1550                 return -EINVAL;
1551         }
1552         if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order)) {
1553                 BNXT_TF_DBG(ERR, "Failed to alloc blob\n");
1554                 return -EINVAL;
1555         }
1556         for (i = 0; i < num_kflds; i++) {
1557                 /* Setup the key */
1558                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1559                                                       &kflds[i],
1560                                                       &key, 1, "Cache Key");
1561                 if (rc) {
1562                         BNXT_TF_DBG(ERR,
1563                                     "Failed to create key for Cache rc=%d\n",
1564                                     rc);
1565                         return -EINVAL;
1566                 }
1567         }
1568
1569         /*
1570          * Perform the lookup in the cache table with constructed key.  The
1571          * cache_key is a byte array of tmplen, it needs to be converted to a
1572          * index for the cache table.
1573          */
1574         cache_key = ulp_blob_data_get(&key, &tmplen);
1575         ckey = (uint16_t *)cache_key;
1576         cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx,
1577                                                  tbl->cache_tbl_id,
1578                                                  *ckey);
1579
1580         /*
1581          * Get the identifier list for processing by both the hit and miss
1582          * processing.
1583          */
1584         idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1585
1586         if (!cache_entry->ref_count) {
1587                 /* Initialize the cache entry */
1588                 cache_entry->tcam_idx = 0;
1589                 cache_entry->ref_count = 0;
1590                 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++)
1591                         cache_entry->idents[i] = ULP_IDENTS_INVALID;
1592
1593                 /* Need to allocate identifiers for storing in the cache. */
1594                 for (i = 0; i < num_idents; i++) {
1595                         /*
1596                          * Since we are using the cache, the identifier does not
1597                          * get added to the flow db.  Pass in the pointer to the
1598                          * tmp_ident.
1599                          */
1600                         rc = ulp_mapper_ident_process(parms, tbl,
1601                                                       &idents[i], &tmp_ident);
1602                         if (rc)
1603                                 goto error;
1604
1605                         cache_entry->ident_types[i] = idents[i].ident_type;
1606                         cache_entry->idents[i] = tmp_ident;
1607                 }
1608
1609                 /* Tell the TCAM processor to alloc an entry */
1610                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC;
1611                 /* Store the cache key for use by the tcam process code */
1612                 parms->cache_ptr = cache_entry;
1613         } else {
1614                 /* Cache hit, get values from result. */
1615                 for (i = 0; i < num_idents; i++) {
1616                         regval = (uint64_t)cache_entry->idents[i];
1617                         if (!ulp_regfile_write(parms->regfile,
1618                                                idents[i].regfile_wr_idx,
1619                                                tfp_cpu_to_be_64(regval))) {
1620                                 BNXT_TF_DBG(ERR,
1621                                             "Failed to write to regfile\n");
1622                                 return -EINVAL;
1623                         }
1624                 }
1625                 /*
1626                  * The cached entry is being used, so let the tcam processing
1627                  * know not to process this table.
1628                  */
1629                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP;
1630         }
1631
1632         /* Made through the cache processing, increment the reference count. */
1633         cache_entry->ref_count++;
1634
1635         /* Link the cache to the flow db. */
1636         memset(&fid_parms, 0, sizeof(fid_parms));
1637         fid_parms.direction = tbl->direction;
1638         fid_parms.resource_func = tbl->resource_func;
1639
1640         /*
1641          * Cache resource type is composed of both table_type and cache_tbl_id
1642          * need to set it appropriately via setter.
1643          */
1644         ulp_mapper_cache_res_type_set(&fid_parms,
1645                                       tbl->table_type,
1646                                       tbl->cache_tbl_id);
1647         fid_parms.resource_hndl = (uint64_t)*ckey;
1648         fid_parms.critical_resource = tbl->critical_resource;
1649         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1650                                       parms->tbl_idx,
1651                                       parms->fid,
1652                                       &fid_parms);
1653         if (rc)
1654                 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n");
1655
1656         return rc;
1657 error:
1658         /*
1659          * This error handling only gets called when the idents are being
1660          * allocated for the cache on misses.  Using the num_idents that was
1661          * previously set.
1662          */
1663         for (i = 0; i < num_idents; i++) {
1664                 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
1665                         continue;
1666
1667                 fparms.dir = tbl->direction;
1668                 fparms.ident_type = idents[i].ident_type;
1669                 fparms.id = cache_entry->idents[i];
1670                 tf_free_identifier(parms->tfp, &fparms);
1671         }
1672
1673         return rc;
1674 }
1675
1676 /*
1677  * Function to process the action template. Iterate through the list
1678  * action info templates and process it.
1679  */
1680 static int32_t
1681 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1682 {
1683         uint32_t        i;
1684         int32_t         rc = 0;
1685
1686         if (!parms->atbls || !parms->num_atbls) {
1687                 BNXT_TF_DBG(ERR, "No action tables for template[%d][%d].\n",
1688                             parms->dev_id, parms->act_tid);
1689                 return -EINVAL;
1690         }
1691
1692         for (i = 0; i < parms->num_atbls; i++) {
1693                 rc = ulp_mapper_action_info_process(parms, &parms->atbls[i]);
1694                 if (rc)
1695                         return rc;
1696         }
1697
1698         return rc;
1699 }
1700
1701 /* Create the classifier table entries for a flow. */
1702 static int32_t
1703 ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1704 {
1705         uint32_t        i;
1706         int32_t         rc = 0;
1707
1708         if (!parms)
1709                 return -EINVAL;
1710
1711         if (!parms->ctbls || !parms->num_ctbls) {
1712                 BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n",
1713                             parms->dev_id, parms->class_tid);
1714                 return -EINVAL;
1715         }
1716
1717         for (i = 0; i < parms->num_ctbls; i++) {
1718                 struct bnxt_ulp_mapper_class_tbl_info *tbl = &parms->ctbls[i];
1719
1720                 switch (tbl->resource_func) {
1721                 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1722                         rc = ulp_mapper_tcam_tbl_process(parms, tbl);
1723                         break;
1724                 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1725                         rc = ulp_mapper_em_tbl_process(parms, tbl);
1726                         break;
1727                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1728                         rc = ulp_mapper_index_tbl_process(parms, tbl);
1729                         break;
1730                 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1731                         rc = ulp_mapper_cache_tbl_process(parms, tbl);
1732                         break;
1733                 default:
1734                         BNXT_TF_DBG(ERR, "Unexpected class resource %d\n",
1735                                     tbl->resource_func);
1736                         return -EINVAL;
1737                 }
1738
1739                 if (rc) {
1740                         BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1741                                     tbl->resource_func);
1742                         return rc;
1743                 }
1744         }
1745
1746         return rc;
1747 }
1748
1749 static int32_t
1750 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
1751                          struct ulp_flow_db_res_params *res)
1752 {
1753         struct tf *tfp;
1754         int32_t rc = 0;
1755
1756         if (!res || !ulp) {
1757                 BNXT_TF_DBG(ERR, "Unable to free resource\n ");
1758                 return -EINVAL;
1759         }
1760
1761         tfp = bnxt_ulp_cntxt_tfp_get(ulp);
1762         if (!tfp) {
1763                 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n");
1764                 return -EINVAL;
1765         }
1766
1767         switch (res->resource_func) {
1768         case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1769                 rc = ulp_mapper_cache_entry_free(ulp, tfp, res);
1770                 break;
1771         case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1772                 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
1773                 break;
1774         case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1775                 rc = ulp_mapper_eem_entry_free(ulp, tfp, res);
1776                 break;
1777         case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1778                 rc = ulp_mapper_index_entry_free(ulp, tfp, res);
1779                 break;
1780         case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1781                 rc = ulp_mapper_ident_free(ulp, tfp, res);
1782                 break;
1783         case BNXT_ULP_RESOURCE_FUNC_HW_FID:
1784                 rc = ulp_mapper_mark_free(ulp, res);
1785                 break;
1786         default:
1787                 break;
1788         }
1789
1790         return rc;
1791 }
1792
1793 int32_t
1794 ulp_mapper_resources_free(struct bnxt_ulp_context       *ulp_ctx,
1795                           uint32_t fid,
1796                           enum bnxt_ulp_flow_db_tables  tbl_type)
1797 {
1798         struct ulp_flow_db_res_params   res_parms = { 0 };
1799         int32_t                         rc, trc;
1800
1801         if (!ulp_ctx) {
1802                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1803                 return -EINVAL;
1804         }
1805
1806         /*
1807          * Set the critical resource on the first resource del, then iterate
1808          * while status is good
1809          */
1810         res_parms.critical_resource = 1;
1811         rc = ulp_flow_db_resource_del(ulp_ctx, tbl_type, fid, &res_parms);
1812
1813         if (rc) {
1814                 /*
1815                  * This is unexpected on the first call to resource del.
1816                  * It likely means that the flow did not exist in the flow db.
1817                  */
1818                 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n",
1819                             tbl_type, fid, rc);
1820                 return rc;
1821         }
1822
1823         while (!rc) {
1824                 trc = ulp_mapper_resource_free(ulp_ctx, &res_parms);
1825                 if (trc)
1826                         /*
1827                          * On fail, we still need to attempt to free the
1828                          * remaining resources.  Don't return
1829                          */
1830                         BNXT_TF_DBG(ERR,
1831                                     "Flow[%d][0x%x] Res[%d][0x%016" PRIx64
1832                                     "] failed rc=%d.\n",
1833                                     tbl_type, fid, res_parms.resource_func,
1834                                     res_parms.resource_hndl, trc);
1835
1836                 /* All subsequent call require the critical_resource be zero */
1837                 res_parms.critical_resource = 0;
1838
1839                 rc = ulp_flow_db_resource_del(ulp_ctx,
1840                                               tbl_type,
1841                                               fid,
1842                                               &res_parms);
1843         }
1844
1845         /* Free the Flow ID since we've removed all resources */
1846         rc = ulp_flow_db_fid_free(ulp_ctx, tbl_type, fid);
1847
1848         return rc;
1849 }
1850
1851 int32_t
1852 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid)
1853 {
1854         if (!ulp_ctx) {
1855                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1856                 return -EINVAL;
1857         }
1858
1859         return ulp_mapper_resources_free(ulp_ctx,
1860                                          fid,
1861                                          BNXT_ULP_REGULAR_FLOW_TABLE);
1862 }
1863
1864 /* Function to handle the mapping of the Flow to be compatible
1865  * with the underlying hardware.
1866  */
1867 int32_t
1868 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
1869                        struct bnxt_ulp_mapper_create_parms *cparms,
1870                        uint32_t *flowid)
1871 {
1872         struct bnxt_ulp_device_params *device_params;
1873         struct bnxt_ulp_mapper_parms parms;
1874         struct ulp_regfile regfile;
1875         int32_t  rc, trc;
1876
1877         if (!ulp_ctx || !cparms)
1878                 return -EINVAL;
1879
1880         /* Initialize the parms structure */
1881         memset(&parms, 0, sizeof(parms));
1882         parms.act_prop = cparms->act_prop;
1883         parms.act_bitmap = cparms->act;
1884         parms.regfile = &regfile;
1885         parms.hdr_field = cparms->hdr_field;
1886         parms.comp_fld = cparms->comp_fld;
1887         parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
1888         parms.ulp_ctx = ulp_ctx;
1889         parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1890
1891         /* Get the device id from the ulp context */
1892         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) {
1893                 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
1894                 return -EINVAL;
1895         }
1896
1897         /*
1898          * Get the mapper data for dynamic mapper data such as default
1899          * ids.
1900          */
1901         parms.mapper_data = (struct bnxt_ulp_mapper_data *)
1902                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
1903         if (!parms.mapper_data) {
1904                 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
1905                 return -EINVAL;
1906         }
1907
1908         /* Get the action table entry from device id and act context id */
1909         parms.act_tid = cparms->act_tid;
1910         parms.atbls = ulp_mapper_action_tbl_list_get(parms.dev_id,
1911                                                      parms.act_tid,
1912                                                      &parms.num_atbls);
1913         if (!parms.atbls || !parms.num_atbls) {
1914                 BNXT_TF_DBG(ERR, "No action tables for %d:%d\n",
1915                             parms.dev_id, parms.act_tid);
1916                 return -EINVAL;
1917         }
1918
1919         /* Get the class table entry from device id and act context id */
1920         parms.class_tid = cparms->class_tid;
1921         parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id,
1922                                                     parms.class_tid,
1923                                                     &parms.num_ctbls);
1924         if (!parms.ctbls || !parms.num_ctbls) {
1925                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
1926                             parms.dev_id, parms.class_tid);
1927                 return -EINVAL;
1928         }
1929
1930         /* Get the byte order for the further processing from device params */
1931         device_params = bnxt_ulp_device_params_get(parms.dev_id);
1932         if (!device_params) {
1933                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
1934                             parms.dev_id, parms.class_tid);
1935                 return -EINVAL;
1936         }
1937         parms.order = device_params->byte_order;
1938         parms.encap_byte_swap = device_params->encap_byte_swap;
1939
1940         /* initialize the registry file for further processing */
1941         if (!ulp_regfile_init(parms.regfile)) {
1942                 BNXT_TF_DBG(ERR, "regfile initialization failed.\n");
1943                 return -EINVAL;
1944         }
1945
1946         rc = ulp_regfile_write(parms.regfile,
1947                                BNXT_ULP_REGFILE_INDEX_CLASS_TID,
1948                                tfp_cpu_to_be_64((uint64_t)parms.class_tid));
1949         if (!rc) {
1950                 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n");
1951                 return -EINVAL;
1952         }
1953
1954         /* Allocate a Flow ID for attaching all resources for the flow to.
1955          * Once allocated, all errors have to walk the list of resources and
1956          * free each of them.
1957          */
1958         rc = ulp_flow_db_fid_alloc(ulp_ctx,
1959                                    BNXT_ULP_REGULAR_FLOW_TABLE,
1960                                    cparms->func_id,
1961                                    &parms.fid);
1962         if (rc) {
1963                 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n");
1964                 return rc;
1965         }
1966
1967         /* Process the action template list from the selected action table*/
1968         rc = ulp_mapper_action_tbls_process(&parms);
1969         if (rc) {
1970                 BNXT_TF_DBG(ERR, "action tables failed creation for %d:%d\n",
1971                             parms.dev_id, parms.act_tid);
1972                 goto flow_error;
1973         }
1974
1975         /* All good. Now process the class template */
1976         rc = ulp_mapper_class_tbls_process(&parms);
1977         if (rc) {
1978                 BNXT_TF_DBG(ERR, "class tables failed creation for %d:%d\n",
1979                             parms.dev_id, parms.class_tid);
1980                 goto flow_error;
1981         }
1982
1983         *flowid = parms.fid;
1984
1985         return rc;
1986
1987 flow_error:
1988         /* Free all resources that were allocated during flow creation */
1989         trc = ulp_mapper_flow_destroy(ulp_ctx, parms.fid);
1990         if (trc)
1991                 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc);
1992
1993         return rc;
1994 }
1995
1996 int32_t
1997 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx)
1998 {
1999         struct bnxt_ulp_cache_tbl_params *tbl;
2000         struct tf_alloc_identifier_parms iparms;
2001         struct bnxt_ulp_mapper_data *data;
2002         struct bnxt_ulp_def_ident_info *dflt_ids;
2003         uint32_t i, num_dflt_ids, reg_idx;
2004         uint64_t regval;
2005         struct tf *tfp;
2006         int32_t rc, csize;
2007
2008         if (!ulp_ctx)
2009                 return -EINVAL;
2010
2011         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2012         if (!tfp)
2013                 return -EINVAL;
2014
2015         data = rte_zmalloc("ulp_mapper_data",
2016                            sizeof(struct bnxt_ulp_mapper_data), 0);
2017         if (!data) {
2018                 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n");
2019                 return -ENOMEM;
2020         }
2021
2022         if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) {
2023                 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n");
2024                 /* Don't call deinit since the prof_func wasn't allocated. */
2025                 rte_free(data);
2026                 return -ENOMEM;
2027         }
2028
2029         /* Allocate the default ids. */
2030         dflt_ids = ulp_mapper_def_ident_info_list_get(&num_dflt_ids);
2031         for (i = 0; i < num_dflt_ids; i++) {
2032                 iparms.ident_type = dflt_ids[i].ident_type;
2033                 iparms.dir = dflt_ids[i].direction;
2034
2035                 rc = tf_alloc_identifier(tfp, &iparms);
2036                 if (rc) {
2037                         BNXT_TF_DBG(ERR, "Failed to alloc dflt "
2038                                     "identifier [%s][%d]\n",
2039                                     (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
2040                                     iparms.ident_type);
2041                         goto error;
2042                 }
2043                 reg_idx = dflt_ids[i].def_regfile_index;
2044                 /* All regfile entries are stored as 64bit big-endian values. */
2045                 regval = tfp_cpu_to_be_64((uint64_t)iparms.id);
2046                 rc = ulp_mapper_def_regfile_write(data, iparms.dir,
2047                                                  reg_idx, regval);
2048                 if (rc) {
2049                         BNXT_TF_DBG(ERR, "Failed to write to default "
2050                                     "regfile.\n");
2051                         goto error;
2052                 }
2053         }
2054
2055         /* Allocate the ulp cache tables. */
2056         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2057                 tbl = ulp_mapper_cache_tbl_params_get(i);
2058                 if (!tbl) {
2059                         BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)",
2060                                     i);
2061                         goto error;
2062                 }
2063                 if (tbl->num_entries != 0) {
2064                         csize = sizeof(struct bnxt_ulp_mapper_cache_entry) *
2065                                 tbl->num_entries;
2066                         data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl",
2067                                                          csize, 0);
2068                         if (!data->cache_tbl[i]) {
2069                                 BNXT_TF_DBG(ERR, "Failed to allocate Cache "
2070                                             "table %d.\n", i);
2071                                 rc = -ENOMEM;
2072                                 goto error;
2073                         }
2074                 }
2075         }
2076
2077         return 0;
2078 error:
2079         /* Ignore the return code in favor of returning the original error. */
2080         ulp_mapper_deinit(ulp_ctx);
2081         return rc;
2082 }
2083
2084 void
2085 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx)
2086 {
2087         struct tf_free_identifier_parms free_parms;
2088         struct bnxt_ulp_def_ident_info *dflt_ids;
2089         struct bnxt_ulp_mapper_data *data;
2090         uint32_t i, num_dflt_ids, reg_idx;
2091         enum tf_dir dir;
2092         uint64_t regval;
2093         struct tf *tfp;
2094
2095         if (!ulp_ctx) {
2096                 BNXT_TF_DBG(ERR,
2097                             "Failed to acquire ulp context, so data may "
2098                             "not be released.\n");
2099                 return;
2100         }
2101
2102         data = (struct bnxt_ulp_mapper_data *)
2103                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2104         if (!data) {
2105                 /* Go ahead and return since there is no allocated data. */
2106                 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n");
2107                 return;
2108         }
2109
2110         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2111         if (!tfp) {
2112                 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n");
2113                 /* Free the mapper data regardless of errors. */
2114                 goto free_mapper_data;
2115         }
2116
2117         /* Free the default prof func ids per direction. */
2118         dflt_ids = ulp_mapper_def_ident_info_list_get(&num_dflt_ids);
2119         for (i = 0; i < num_dflt_ids; i++) {
2120                 reg_idx = dflt_ids[i].def_regfile_index;
2121                 dir = dflt_ids[i].direction;
2122                 free_parms.ident_type = dflt_ids[i].ident_type;
2123                 free_parms.dir = dir;
2124                 if (ulp_mapper_def_regfile_read(data, dir, reg_idx, &regval)) {
2125                         BNXT_TF_DBG(ERR, "Failed to read def regfile to free "
2126                                     "identifier.\n");
2127                         continue;
2128                 }
2129                 /*
2130                  * All regfile entries are stored as 64bit big-endian.  Need
2131                  * to convert the value to cpu before calling tf.
2132                  */
2133                 regval = tfp_be_to_cpu_64(regval);
2134                 free_parms.id = (uint16_t)regval;
2135                 /* Ignore errors and free the remaining identifiers. */
2136                 tf_free_identifier(tfp, &free_parms);
2137         }
2138
2139 free_mapper_data:
2140         /* Free the ulp cache tables */
2141         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2142                 rte_free(data->cache_tbl[i]);
2143                 data->cache_tbl[i] = NULL;
2144         }
2145
2146         rte_free(data);
2147         /* Reset the data pointer within the ulp_ctx. */
2148         bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL);
2149 }