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_enum.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_glb_resource_info *
  21 ulp_mapper_glb_resource_info_list_get(uint32_t *num_entries)
  22 {
  23         if (!num_entries)
  24                 return NULL;
  25         *num_entries = BNXT_ULP_GLB_RESOURCE_INFO_TBL_MAX_SZ;
  26         return ulp_glb_resource_tbl;
  27 }
  28
  29 /*
  30  * Read the global resource from the mapper global resource list
  31  *
  32  * The regval is always returned in big-endian.
  33  *
  34  * returns 0 on success
  35  */
  36 static int32_t
  37 ulp_mapper_glb_resource_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_GLB_REGFILE_INDEX_LAST)
  44                 return -EINVAL;
  45
  46         *regval = mapper_data->glb_res_tbl[dir][idx].resource_hndl;
  47         return 0;
  48 }
  49
  50 /*
  51  * Write a global resource to the mapper global resource list
  52  *
  53  * The regval value must be in big-endian.
  54  *
  55  * return 0 on success.
  56  */
  57 static int32_t
  58 ulp_mapper_glb_resource_write(struct bnxt_ulp_mapper_data *data,
  59                               struct bnxt_ulp_glb_resource_info *res,
  60                               uint64_t regval)
  61 {
  62         struct bnxt_ulp_mapper_glb_resource_entry *ent;
  63
  64         /* validate the arguments */
  65         if (!data || res->direction >= TF_DIR_MAX ||
  66             res->glb_regfile_index >= BNXT_ULP_GLB_REGFILE_INDEX_LAST)
  67                 return -EINVAL;
  68
  69         /* write to the mapper data */
  70         ent = &data->glb_res_tbl[res->direction][res->glb_regfile_index];
  71         ent->resource_func = res->resource_func;
  72         ent->resource_type = res->resource_type;
  73         ent->resource_hndl = regval;
  74         return 0;
  75 }
  76
  77 /*
  78  * Internal function to allocate identity resource and store it in mapper data.
  79  *
  80  * returns 0 on success
  81  */
  82 static int32_t
  83 ulp_mapper_resource_ident_allocate(struct tf *tfp,
  84                                    struct bnxt_ulp_mapper_data *mapper_data,
  85                                    struct bnxt_ulp_glb_resource_info *glb_res)
  86 {
  87         struct tf_alloc_identifier_parms iparms = { 0 };
  88         struct tf_free_identifier_parms fparms;
  89         uint64_t regval;
  90         int32_t rc = 0;
  91
  92         iparms.ident_type = glb_res->resource_type;
  93         iparms.dir = glb_res->direction;
  94
  95         /* Allocate the Identifier using tf api */
  96         rc = tf_alloc_identifier(tfp, &iparms);
  97         if (rc) {
  98                 BNXT_TF_DBG(ERR, "Failed to alloc identifier [%s][%d]\n",
  99                             (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
 100                             iparms.ident_type);
 101                 return rc;
 102         }
 103
 104         /* entries are stored as big-endian format */
 105         regval = tfp_cpu_to_be_64((uint64_t)iparms.id);
 106         /* write to the mapper global resource */
 107         rc = ulp_mapper_glb_resource_write(mapper_data, glb_res, regval);
 108         if (rc) {
 109                 BNXT_TF_DBG(ERR, "Failed to write to global resource id\n");
 110                 /* Free the identifier when update failed */
 111                 fparms.dir = iparms.dir;
 112                 fparms.ident_type = iparms.ident_type;
 113                 fparms.id = iparms.id;
 114                 tf_free_identifier(tfp, &fparms);
 115                 return rc;
 116         }
 117 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
 118         BNXT_TF_DBG(DEBUG, "Allocated Glb Res[%s][%d][%d] = 0x%04x\n",
 119                     (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
 120                     glb_res->glb_regfile_index, iparms.ident_type, iparms.id);
 121 #endif
 122         return rc;
 123 }
 124
 125 /* Retrieve the cache initialization parameters for the tbl_idx */
 126 static struct bnxt_ulp_cache_tbl_params *
 127 ulp_mapper_cache_tbl_params_get(uint32_t tbl_idx)
 128 {
 129         if (tbl_idx >= BNXT_ULP_CACHE_TBL_MAX_SZ)
 130                 return NULL;
 131
 132         return &ulp_cache_tbl_params[tbl_idx];
 133 }
 134
 135 /*
 136  * Get the size of the action property for a given index.
 137  *
 138  * idx [in] The index for the action property
 139  *
 140  * returns the size of the action property.
 141  */
 142 static uint32_t
 143 ulp_mapper_act_prop_size_get(uint32_t idx)
 144 {
 145         if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST)
 146                 return 0;
 147         return ulp_act_prop_map_table[idx];
 148 }
 149
 150 /*
 151  * Get the list of result fields that implement the flow action.
 152  * Gets a device dependent list of tables that implement the action template id.
 153  *
 154  * dev_id [in] The device id of the forwarding element
 155  *
 156  * tid [in] The action template id that matches the flow
 157  *
 158  * num_tbls [out] The number of action tables in the returned array
 159  *
 160  * Returns An array of action tables to implement the flow, or NULL on error.
 161  */
 162 static struct bnxt_ulp_mapper_tbl_info *
 163 ulp_mapper_action_tbl_list_get(uint32_t dev_id,
 164                                uint32_t tid,
 165                                uint32_t *num_tbls)
 166 {
 167         uint32_t        idx;
 168         uint32_t        tidx;
 169
 170         if (!num_tbls) {
 171                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
 172                 return NULL;
 173         }
 174
 175         /* template shift and device mask */
 176         tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
 177
 178         /* NOTE: Need to have something from template compiler to help validate
 179          * range of dev_id and act_tid
 180          */
 181         idx             = ulp_act_tmpl_list[tidx].start_tbl_idx;
 182         *num_tbls       = ulp_act_tmpl_list[tidx].num_tbls;
 183
 184         return &ulp_act_tbl_list[idx];
 185 }
 186
 187 /** Get a list of classifier tables that implement the flow
 188  * Gets a device dependent list of tables that implement the class template id
 189  *
 190  * dev_id [in] The device id of the forwarding element
 191  *
 192  * tid [in] The template id that matches the flow
 193  *
 194  * num_tbls [out] The number of classifier tables in the returned array
 195  *
 196  * returns An array of classifier tables to implement the flow, or NULL on
 197  * error
 198  */
 199 static struct bnxt_ulp_mapper_tbl_info *
 200 ulp_mapper_class_tbl_list_get(uint32_t dev_id,
 201                               uint32_t tid,
 202                               uint32_t *num_tbls)
 203 {
 204         uint32_t idx;
 205         uint32_t tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
 206
 207         if (!num_tbls)
 208                 return NULL;
 209
 210         /* NOTE: Need to have something from template compiler to help validate
 211          * range of dev_id and tid
 212          */
 213         idx             = ulp_class_tmpl_list[tidx].start_tbl_idx;
 214         *num_tbls       = ulp_class_tmpl_list[tidx].num_tbls;
 215
 216         return &ulp_class_tbl_list[idx];
 217 }
 218
 219 /*
 220  * Get the list of key fields that implement the flow.
 221  *
 222  * ctxt [in] The ulp context
 223  *
 224  * tbl [in] A single table instance to get the key fields from
 225  *
 226  * num_flds [out] The number of key fields in the returned array
 227  *
 228  * Returns array of Key fields, or NULL on error.
 229  */
 230 static struct bnxt_ulp_mapper_class_key_field_info *
 231 ulp_mapper_key_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl,
 232                           uint32_t *num_flds)
 233 {
 234         uint32_t idx;
 235
 236         if (!tbl || !num_flds)
 237                 return NULL;
 238
 239         idx             = tbl->key_start_idx;
 240         *num_flds       = tbl->key_num_fields;
 241
 242         /* NOTE: Need template to provide range checking define */
 243         return &ulp_class_key_field_list[idx];
 244 }
 245
 246 /*
 247  * Get the list of data fields that implement the flow.
 248  *
 249  * ctxt [in] The ulp context
 250  *
 251  * tbl [in] A single table instance to get the data fields from
 252  *
 253  * num_flds [out] The number of data fields in the returned array.
 254  *
 255  * Returns array of data fields, or NULL on error.
 256  */
 257 static struct bnxt_ulp_mapper_result_field_info *
 258 ulp_mapper_result_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl,
 259                              uint32_t *num_flds)
 260 {
 261         uint32_t idx;
 262
 263         if (!tbl || !num_flds)
 264                 return NULL;
 265
 266         idx             = tbl->result_start_idx;
 267         *num_flds       = tbl->result_num_fields;
 268
 269         /* NOTE: Need template to provide range checking define */
 270         return &ulp_class_result_field_list[idx];
 271 }
 272
 273 /*
 274  * Get the list of result fields that implement the flow action.
 275  *
 276  * tbl [in] A single table instance to get the results fields
 277  * from num_flds [out] The number of data fields in the returned
 278  * array.
 279  *
 280  * Returns array of data fields, or NULL on error.
 281  */
 282 static struct bnxt_ulp_mapper_result_field_info *
 283 ulp_mapper_act_result_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl,
 284                                  uint32_t *num_rslt_flds,
 285                                  uint32_t *num_encap_flds)
 286 {
 287         uint32_t idx;
 288
 289         if (!tbl || !num_rslt_flds || !num_encap_flds)
 290                 return NULL;
 291
 292         idx             = tbl->result_start_idx;
 293         *num_rslt_flds  = tbl->result_num_fields;
 294         *num_encap_flds = tbl->encap_num_fields;
 295
 296         /* NOTE: Need template to provide range checking define */
 297         return &ulp_act_result_field_list[idx];
 298 }
 299
 300 /*
 301  * Get the list of ident fields that implement the flow
 302  *
 303  * tbl [in] A single table instance to get the ident fields from
 304  *
 305  * num_flds [out] The number of ident fields in the returned array
 306  *
 307  * returns array of ident fields, or NULL on error
 308  */
 309 static struct bnxt_ulp_mapper_ident_info *
 310 ulp_mapper_ident_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl,
 311                             uint32_t *num_flds)
 312 {
 313         uint32_t idx;
 314
 315         if (!tbl || !num_flds)
 316                 return NULL;
 317
 318         idx = tbl->ident_start_idx;
 319         *num_flds = tbl->ident_nums;
 320
 321         /* NOTE: Need template to provide range checking define */
 322         return &ulp_ident_list[idx];
 323 }
 324
 325 static struct bnxt_ulp_mapper_cache_entry *
 326 ulp_mapper_cache_entry_get(struct bnxt_ulp_context *ulp,
 327                            uint32_t id,
 328                            uint16_t key)
 329 {
 330         struct bnxt_ulp_mapper_data *mapper_data;
 331
 332         mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp);
 333         if (!mapper_data || id >= BNXT_ULP_CACHE_TBL_MAX_SZ ||
 334             !mapper_data->cache_tbl[id]) {
 335                 BNXT_TF_DBG(ERR, "Unable to acquire the cache tbl (%d)\n", id);
 336                 return NULL;
 337         }
 338
 339         return &mapper_data->cache_tbl[id][key];
 340 }
 341
 342 /*
 343  * Concatenates the tbl_type and tbl_id into a 32bit value for storing in the
 344  * resource_type.  This is done to conserve memory since both the tbl_type and
 345  * tbl_id are 16bit.
 346  */
 347 static inline void
 348 ulp_mapper_cache_res_type_set(struct ulp_flow_db_res_params *res,
 349                               uint16_t tbl_type,
 350                               uint16_t tbl_id)
 351 {
 352         res->resource_type = tbl_type;
 353         res->resource_sub_type = tbl_id;
 354 }
 355
 356 /* Extracts the tbl_type and tbl_id from the 32bit resource type. */
 357 static inline void
 358 ulp_mapper_cache_res_type_get(struct ulp_flow_db_res_params *res,
 359                               uint16_t *tbl_type,
 360                               uint16_t *tbl_id)
 361 {
 362         *tbl_type = res->resource_type;
 363         *tbl_id = res->resource_sub_type;
 364 }
 365
 366 static int32_t
 367 ulp_mapper_cache_entry_free(struct bnxt_ulp_context *ulp,
 368                            struct tf *tfp,
 369                            struct ulp_flow_db_res_params *res)
 370 {
 371         struct bnxt_ulp_mapper_cache_entry *cache_entry;
 372         struct tf_free_identifier_parms ident_parms;
 373         struct tf_free_tcam_entry_parms tcam_parms;
 374         uint16_t table_id, table_type;
 375         int32_t rc, trc, i;
 376
 377         /*
 378          * The table id, used for cache, and table_type, used for tcam, are
 379          * both encoded within the resource.  We must first extract them to
 380          * formulate the args for tf calls.
 381          */
 382         ulp_mapper_cache_res_type_get(res, &table_type, &table_id);
 383         cache_entry = ulp_mapper_cache_entry_get(ulp, table_id,
 384                                                  (uint16_t)res->resource_hndl);
 385         if (!cache_entry || !cache_entry->ref_count) {
 386                 BNXT_TF_DBG(ERR, "Cache entry (%d:%d) not valid on free.\n",
 387                             table_id, (uint16_t)res->resource_hndl);
 388                 return -EINVAL;
 389         }
 390
 391         /*
 392          * See if we need to delete the entry.  The tcam and identifiers are all
 393          * tracked by the cached entries reference count.  All are deleted when
 394          * the reference count hit zero.
 395          */
 396         cache_entry->ref_count--;
 397         if (cache_entry->ref_count)
 398                 return 0;
 399
 400         /*
 401          * Need to delete the tcam entry and the allocated identifiers.
 402          * In the event of a failure, need to try to delete the remaining
 403          * resources before returning error.
 404          */
 405         tcam_parms.dir = res->direction;
 406         tcam_parms.tcam_tbl_type = table_type;
 407         tcam_parms.idx = cache_entry->tcam_idx;
 408         rc = tf_free_tcam_entry(tfp, &tcam_parms);
 409         if (rc)
 410                 BNXT_TF_DBG(ERR, "Failed to free tcam [%d][%s][0x%04x] rc=%d\n",
 411                             table_type,
 412                             (res->direction == TF_DIR_RX) ? "RX" : "TX",
 413                             tcam_parms.idx, rc);
 414
 415         /*
 416          * Free the identifiers associated with the tcam entry.  Entries with
 417          * negative one are considered uninitialized.
 418          */
 419         for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++) {
 420                 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
 421                         continue;
 422
 423                 ident_parms.dir = res->direction;
 424                 ident_parms.ident_type = cache_entry->ident_types[i];
 425                 ident_parms.id = cache_entry->idents[i];
 426                 trc = tf_free_identifier(tfp, &ident_parms);
 427                 if (trc) {
 428                         BNXT_TF_DBG(ERR, "Failed to free identifier "
 429                                     "[%d][%s][0x%04x] rc=%d\n",
 430                                     ident_parms.ident_type,
 431                                     (res->direction == TF_DIR_RX) ? "RX" : "TX",
 432                                     ident_parms.id, trc);
 433                         rc = trc;
 434                 }
 435         }
 436
 437         return rc;
 438 }
 439
 440 static inline int32_t
 441 ulp_mapper_tcam_entry_free(struct bnxt_ulp_context *ulp  __rte_unused,
 442                            struct tf *tfp,
 443                            struct ulp_flow_db_res_params *res)
 444 {
 445         struct tf_free_tcam_entry_parms fparms = {
 446                 .dir            = res->direction,
 447                 .tcam_tbl_type  = res->resource_type,
 448                 .idx            = (uint16_t)res->resource_hndl
 449         };
 450
 451         return tf_free_tcam_entry(tfp, &fparms);
 452 }
 453
 454 static inline int32_t
 455 ulp_mapper_index_entry_free(struct bnxt_ulp_context *ulp,
 456                             struct tf *tfp,
 457                             struct ulp_flow_db_res_params *res)
 458 {
 459         struct tf_free_tbl_entry_parms fparms = {
 460                 .dir    = res->direction,
 461                 .type   = res->resource_type,
 462                 .idx    = (uint32_t)res->resource_hndl
 463         };
 464
 465         /*
 466          * Just set the table scope, it will be ignored if not necessary
 467          * by the tf_free_tbl_entry
 468          */
 469         bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
 470
 471         return tf_free_tbl_entry(tfp, &fparms);
 472 }
 473
 474 static inline int32_t
 475 ulp_mapper_eem_entry_free(struct bnxt_ulp_context *ulp,
 476                           struct tf *tfp,
 477                           struct ulp_flow_db_res_params *res)
 478 {
 479         struct tf_delete_em_entry_parms fparms = { 0 };
 480         int32_t rc;
 481
 482         fparms.dir              = res->direction;
 483         fparms.mem              = TF_MEM_EXTERNAL;
 484         fparms.flow_handle      = res->resource_hndl;
 485
 486         rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
 487         if (rc) {
 488                 BNXT_TF_DBG(ERR, "Failed to get table scope\n");
 489                 return -EINVAL;
 490         }
 491
 492         return tf_delete_em_entry(tfp, &fparms);
 493 }
 494
 495 static inline int32_t
 496 ulp_mapper_ident_free(struct bnxt_ulp_context *ulp __rte_unused,
 497                       struct tf *tfp,
 498                       struct ulp_flow_db_res_params *res)
 499 {
 500         struct tf_free_identifier_parms fparms = {
 501                 .dir            = res->direction,
 502                 .ident_type     = res->resource_type,
 503                 .id             = (uint16_t)res->resource_hndl
 504         };
 505
 506         return tf_free_identifier(tfp, &fparms);
 507 }
 508
 509 static inline int32_t
 510 ulp_mapper_mark_free(struct bnxt_ulp_context *ulp,
 511                      struct ulp_flow_db_res_params *res)
 512 {
 513         return ulp_mark_db_mark_del(ulp,
 514                                     res->resource_type,
 515                                     res->resource_hndl);
 516 }
 517
 518 /*
 519  * Process the identifier instruction and either store it in the flow database
 520  * or return it in the val (if not NULL) on success.  If val is NULL, the
 521  * identifier is to be stored in the flow database.
 522  */
 523 static int32_t
 524 ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms,
 525                          struct bnxt_ulp_mapper_tbl_info *tbl,
 526                          struct bnxt_ulp_mapper_ident_info *ident,
 527                          uint16_t *val)
 528 {
 529         struct ulp_flow_db_res_params   fid_parms;
 530         uint64_t id = 0;
 531         int32_t idx;
 532         struct tf_alloc_identifier_parms iparms = { 0 };
 533         struct tf_free_identifier_parms free_parms = { 0 };
 534         struct tf *tfp;
 535         int rc;
 536
 537         tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
 538         if (!tfp) {
 539                 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n");
 540                 return -EINVAL;
 541         }
 542
 543         idx = ident->regfile_idx;
 544
 545         iparms.ident_type = ident->ident_type;
 546         iparms.dir = tbl->direction;
 547
 548         rc = tf_alloc_identifier(tfp, &iparms);
 549         if (rc) {
 550                 BNXT_TF_DBG(ERR, "Alloc ident %s:%d failed.\n",
 551                             (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
 552                             iparms.ident_type);
 553                 return rc;
 554         }
 555
 556         id = (uint64_t)tfp_cpu_to_be_64(iparms.id);
 557         if (!ulp_regfile_write(parms->regfile, idx, id)) {
 558                 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx);
 559                 rc = -EINVAL;
 560                 /* Need to free the identifier, so goto error */
 561                 goto error;
 562         }
 563
 564         /* Link the resource to the flow in the flow db */
 565         if (!val) {
 566                 memset(&fid_parms, 0, sizeof(fid_parms));
 567                 fid_parms.direction             = tbl->direction;
 568                 fid_parms.resource_func = ident->resource_func;
 569                 fid_parms.resource_type = ident->ident_type;
 570                 fid_parms.resource_hndl = iparms.id;
 571                 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
 572
 573                 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 574                                               parms->tbl_idx,
 575                                               parms->fid,
 576                                               &fid_parms);
 577                 if (rc) {
 578                         BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
 579                                     rc);
 580                         /* Need to free the identifier, so goto error */
 581                         goto error;
 582                 }
 583         } else {
 584                 *val = iparms.id;
 585         }
 586
 587         return 0;
 588
 589 error:
 590         /* Need to free the identifier */
 591         free_parms.dir          = tbl->direction;
 592         free_parms.ident_type   = ident->ident_type;
 593         free_parms.id           = iparms.id;
 594
 595         (void)tf_free_identifier(tfp, &free_parms);
 596
 597         BNXT_TF_DBG(ERR, "Ident process failed for %s:%s\n",
 598                     ident->description,
 599                     (tbl->direction == TF_DIR_RX) ? "RX" : "TX");
 600         return rc;
 601 }
 602
 603 static int32_t
 604 ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms,
 605                                 enum tf_dir dir,
 606                                 struct bnxt_ulp_mapper_result_field_info *fld,
 607                                 struct ulp_blob *blob,
 608                                 const char *name)
 609 {
 610         uint16_t idx, size_idx;
 611         uint8_t  *val = NULL;
 612         uint64_t regval;
 613         uint32_t val_size = 0, field_size = 0;
 614         uint64_t act_bit;
 615         uint8_t act_val;
 616
 617         switch (fld->result_opcode) {
 618         case BNXT_ULP_RESULT_OPC_SET_TO_CONSTANT:
 619                 val = fld->result_operand;
 620                 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
 621                         BNXT_TF_DBG(ERR, "%s failed to add field\n", name);
 622                         return -EINVAL;
 623                 }
 624                 break;
 625         case BNXT_ULP_RESULT_OPC_SET_TO_ACT_PROP:
 626                 if (!ulp_operand_read(fld->result_operand,
 627                                       (uint8_t *)&idx, sizeof(uint16_t))) {
 628                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 629                         return -EINVAL;
 630                 }
 631                 idx = tfp_be_to_cpu_16(idx);
 632
 633                 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
 634                         BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
 635                         return -EINVAL;
 636                 }
 637                 val = &parms->act_prop->act_details[idx];
 638                 field_size = ulp_mapper_act_prop_size_get(idx);
 639                 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) {
 640                         field_size  = field_size -
 641                             ((fld->field_bit_size + 7) / 8);
 642                         val += field_size;
 643                 }
 644                 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
 645                         BNXT_TF_DBG(ERR, "%s push field failed\n", name);
 646                         return -EINVAL;
 647                 }
 648                 break;
 649         case BNXT_ULP_RESULT_OPC_SET_TO_ACT_BIT:
 650                 if (!ulp_operand_read(fld->result_operand,
 651                                       (uint8_t *)&act_bit, sizeof(uint64_t))) {
 652                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 653                         return -EINVAL;
 654                 }
 655                 act_bit = tfp_be_to_cpu_64(act_bit);
 656                 act_val = ULP_BITMAP_ISSET(parms->act_bitmap->bits, act_bit);
 657                 if (fld->field_bit_size > ULP_BYTE_2_BITS(sizeof(act_val))) {
 658                         BNXT_TF_DBG(ERR, "%s field size is incorrect\n", name);
 659                         return -EINVAL;
 660                 }
 661                 if (!ulp_blob_push(blob, &act_val, fld->field_bit_size)) {
 662                         BNXT_TF_DBG(ERR, "%s push field failed\n", name);
 663                         return -EINVAL;
 664                 }
 665                 val = &act_val;
 666                 break;
 667         case BNXT_ULP_RESULT_OPC_SET_TO_ENCAP_ACT_PROP_SZ:
 668                 if (!ulp_operand_read(fld->result_operand,
 669                                       (uint8_t *)&idx, sizeof(uint16_t))) {
 670                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 671                         return -EINVAL;
 672                 }
 673                 idx = tfp_be_to_cpu_16(idx);
 674
 675                 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
 676                         BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
 677                         return -EINVAL;
 678                 }
 679                 val = &parms->act_prop->act_details[idx];
 680
 681                 /* get the size index next */
 682                 if (!ulp_operand_read(&fld->result_operand[sizeof(uint16_t)],
 683                                       (uint8_t *)&size_idx, sizeof(uint16_t))) {
 684                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 685                         return -EINVAL;
 686                 }
 687                 size_idx = tfp_be_to_cpu_16(size_idx);
 688
 689                 if (size_idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
 690                         BNXT_TF_DBG(ERR, "act_prop[%d] oob\n", size_idx);
 691                         return -EINVAL;
 692                 }
 693                 memcpy(&val_size, &parms->act_prop->act_details[size_idx],
 694                        sizeof(uint32_t));
 695                 val_size = tfp_be_to_cpu_32(val_size);
 696                 val_size = ULP_BYTE_2_BITS(val_size);
 697                 ulp_blob_push_encap(blob, val, val_size);
 698                 break;
 699         case BNXT_ULP_RESULT_OPC_SET_TO_REGFILE:
 700                 if (!ulp_operand_read(fld->result_operand,
 701                                       (uint8_t *)&idx, sizeof(uint16_t))) {
 702                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 703                         return -EINVAL;
 704                 }
 705
 706                 idx = tfp_be_to_cpu_16(idx);
 707                 /* Uninitialized regfile entries return 0 */
 708                 if (!ulp_regfile_read(parms->regfile, idx, &regval)) {
 709                         BNXT_TF_DBG(ERR, "%s regfile[%d] read oob\n",
 710                                     name, idx);
 711                         return -EINVAL;
 712                 }
 713
 714                 val = ulp_blob_push_64(blob, &regval, fld->field_bit_size);
 715                 if (!val) {
 716                         BNXT_TF_DBG(ERR, "%s push field failed\n", name);
 717                         return -EINVAL;
 718                 }
 719                 break;
 720         case BNXT_ULP_RESULT_OPC_SET_TO_GLB_REGFILE:
 721                 if (!ulp_operand_read(fld->result_operand,
 722                                       (uint8_t *)&idx,
 723                                       sizeof(uint16_t))) {
 724                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 725                         return -EINVAL;
 726                 }
 727                 idx = tfp_be_to_cpu_16(idx);
 728                 if (ulp_mapper_glb_resource_read(parms->mapper_data,
 729                                                  dir,
 730                                                  idx, &regval)) {
 731                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 732                                     name, idx);
 733                         return -EINVAL;
 734                 }
 735                 val = ulp_blob_push_64(blob, &regval, fld->field_bit_size);
 736                 if (!val) {
 737                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 738                         return -EINVAL;
 739                 }
 740                 break;
 741         case BNXT_ULP_RESULT_OPC_SET_TO_COMP_FIELD:
 742                 if (!ulp_operand_read(fld->result_operand,
 743                                       (uint8_t *)&idx,
 744                                       sizeof(uint16_t))) {
 745                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 746                         return -EINVAL;
 747                 }
 748                 idx = tfp_be_to_cpu_16(idx);
 749                 if (idx < BNXT_ULP_CF_IDX_LAST)
 750                         val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
 751                                                fld->field_bit_size);
 752                 if (!val) {
 753                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 754                         return -EINVAL;
 755                 }
 756                 break;
 757         default:
 758                 return -EINVAL;
 759         }
 760         return 0;
 761 }
 762
 763 /* Function to alloc action record and set the table. */
 764 static int32_t
 765 ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms,
 766                                  enum tf_dir dir,
 767                                  struct bnxt_ulp_mapper_class_key_field_info *f,
 768                                  struct ulp_blob *blob,
 769                                  uint8_t is_key,
 770                                  const char *name)
 771 {
 772         uint64_t val64;
 773         uint16_t idx, bitlen;
 774         uint32_t opcode;
 775         uint8_t *operand;
 776         struct ulp_regfile *regfile = parms->regfile;
 777         uint8_t *val = NULL;
 778         struct bnxt_ulp_mapper_class_key_field_info *fld = f;
 779         uint32_t field_size;
 780
 781         if (is_key) {
 782                 operand = fld->spec_operand;
 783                 opcode  = fld->spec_opcode;
 784         } else {
 785                 operand = fld->mask_operand;
 786                 opcode  = fld->mask_opcode;
 787         }
 788
 789         bitlen = fld->field_bit_size;
 790
 791         switch (opcode) {
 792         case BNXT_ULP_SPEC_OPC_SET_TO_CONSTANT:
 793                 val = operand;
 794                 if (!ulp_blob_push(blob, val, bitlen)) {
 795                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 796                         return -EINVAL;
 797                 }
 798                 break;
 799         case BNXT_ULP_SPEC_OPC_ADD_PAD:
 800                 if (!ulp_blob_pad_push(blob, bitlen)) {
 801                         BNXT_TF_DBG(ERR, "%s pad too large for blob\n", name);
 802                         return -EINVAL;
 803                 }
 804
 805                 break;
 806         case BNXT_ULP_SPEC_OPC_SET_TO_HDR_FIELD:
 807                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 808                                       sizeof(uint16_t))) {
 809                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 810                         return -EINVAL;
 811                 }
 812                 idx = tfp_be_to_cpu_16(idx);
 813                 if (is_key)
 814                         val = parms->hdr_field[idx].spec;
 815                 else
 816                         val = parms->hdr_field[idx].mask;
 817
 818                 /*
 819                  * Need to account for how much data was pushed to the header
 820                  * field vs how much is to be inserted in the key/mask.
 821                  */
 822                 field_size = parms->hdr_field[idx].size;
 823                 if (bitlen < ULP_BYTE_2_BITS(field_size)) {
 824                         field_size  = field_size - ((bitlen + 7) / 8);
 825                         val += field_size;
 826                 }
 827
 828                 if (!ulp_blob_push(blob, val, bitlen)) {
 829                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 830                         return -EINVAL;
 831                 }
 832                 break;
 833         case BNXT_ULP_SPEC_OPC_SET_TO_COMP_FIELD:
 834                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 835                                       sizeof(uint16_t))) {
 836                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 837                         return -EINVAL;
 838                 }
 839                 idx = tfp_be_to_cpu_16(idx);
 840                 if (idx < BNXT_ULP_CF_IDX_LAST)
 841                         val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
 842                                                bitlen);
 843                 if (!val) {
 844                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 845                         return -EINVAL;
 846                 }
 847                 break;
 848         case BNXT_ULP_SPEC_OPC_SET_TO_REGFILE:
 849                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 850                                       sizeof(uint16_t))) {
 851                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 852                         return -EINVAL;
 853                 }
 854                 idx = tfp_be_to_cpu_16(idx);
 855
 856                 if (!ulp_regfile_read(regfile, idx, &val64)) {
 857                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 858                                     name, idx);
 859                         return -EINVAL;
 860                 }
 861
 862                 val = ulp_blob_push_64(blob, &val64, bitlen);
 863                 if (!val) {
 864                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 865                         return -EINVAL;
 866                 }
 867                 break;
 868         case BNXT_ULP_SPEC_OPC_SET_TO_GLB_REGFILE:
 869                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 870                                       sizeof(uint16_t))) {
 871                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 872                         return -EINVAL;
 873                 }
 874                 idx = tfp_be_to_cpu_16(idx);
 875                 if (ulp_mapper_glb_resource_read(parms->mapper_data,
 876                                                  dir,
 877                                                  idx, &val64)) {
 878                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 879                                     name, idx);
 880                         return -EINVAL;
 881                 }
 882                 val = ulp_blob_push_64(blob, &val64, bitlen);
 883                 if (!val) {
 884                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 885                         return -EINVAL;
 886                 }
 887                 break;
 888         default:
 889                 break;
 890         }
 891
 892         return 0;
 893 }
 894
 895 static int32_t
 896 ulp_mapper_mark_gfid_process(struct bnxt_ulp_mapper_parms *parms,
 897                              struct bnxt_ulp_mapper_tbl_info *tbl,
 898                              uint64_t flow_id)
 899 {
 900         struct ulp_flow_db_res_params fid_parms;
 901         uint32_t mark, gfid, mark_flag;
 902         int32_t rc = 0;
 903
 904         if (!(tbl->mark_enable &&
 905               ULP_BITMAP_ISSET(parms->act_bitmap->bits,
 906                               BNXT_ULP_ACTION_BIT_MARK)))
 907                 return rc; /* no need to perform gfid process */
 908
 909         /* Get the mark id details from action property */
 910         memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
 911                sizeof(mark));
 912         mark = tfp_be_to_cpu_32(mark);
 913
 914         TF_GET_GFID_FROM_FLOW_ID(flow_id, gfid);
 915         mark_flag  = BNXT_ULP_MARK_GLOBAL_HW_FID;
 916         rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
 917                                   gfid, mark);
 918         if (rc) {
 919                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
 920                 return rc;
 921         }
 922         fid_parms.direction = tbl->direction;
 923         fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
 924         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
 925         fid_parms.resource_type = mark_flag;
 926         fid_parms.resource_hndl = gfid;
 927         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 928                                       parms->tbl_idx,
 929                                       parms->fid,
 930                                       &fid_parms);
 931         if (rc)
 932                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
 933         return rc;
 934 }
 935
 936 static int32_t
 937 ulp_mapper_mark_act_ptr_process(struct bnxt_ulp_mapper_parms *parms,
 938                                 struct bnxt_ulp_mapper_tbl_info *tbl)
 939 {
 940         struct ulp_flow_db_res_params fid_parms;
 941         uint32_t act_idx, mark, mark_flag;
 942         uint64_t val64;
 943         int32_t rc = 0;
 944
 945         if (!(tbl->mark_enable &&
 946               ULP_BITMAP_ISSET(parms->act_bitmap->bits,
 947                                 BNXT_ULP_ACTION_BIT_MARK)))
 948                 return rc; /* no need to perform mark action process */
 949
 950         /* Get the mark id details from action property */
 951         memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
 952                sizeof(mark));
 953         mark = tfp_be_to_cpu_32(mark);
 954
 955         if (!ulp_regfile_read(parms->regfile,
 956                               BNXT_ULP_REGFILE_INDEX_MAIN_ACTION_PTR,
 957                               &val64)) {
 958                 BNXT_TF_DBG(ERR, "read action ptr main failed\n");
 959                 return -EINVAL;
 960         }
 961         act_idx = tfp_be_to_cpu_64(val64);
 962         mark_flag  = BNXT_ULP_MARK_LOCAL_HW_FID;
 963         rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
 964                                   act_idx, mark);
 965         if (rc) {
 966                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
 967                 return rc;
 968         }
 969         fid_parms.direction = tbl->direction;
 970         fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
 971         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
 972         fid_parms.resource_type = mark_flag;
 973         fid_parms.resource_hndl = act_idx;
 974         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 975                                       parms->tbl_idx,
 976                                       parms->fid,
 977                                       &fid_parms);
 978         if (rc)
 979                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
 980         return rc;
 981 }
 982
 983 static int32_t
 984 ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
 985                             struct bnxt_ulp_mapper_tbl_info *tbl)
 986 {
 987         struct bnxt_ulp_mapper_class_key_field_info     *kflds;
 988         struct ulp_blob key, mask, data;
 989         uint32_t i, num_kflds;
 990         struct tf *tfp;
 991         int32_t rc, trc;
 992         struct tf_alloc_tcam_entry_parms aparms         = { 0 };
 993         struct tf_set_tcam_entry_parms sparms           = { 0 };
 994         struct ulp_flow_db_res_params   fid_parms       = { 0 };
 995         struct tf_free_tcam_entry_parms free_parms      = { 0 };
 996         uint32_t hit = 0;
 997         uint16_t tmplen = 0;
 998
 999         /* Skip this if was handled by the cache. */
1000         if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP) {
1001                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1002                 return 0;
1003         }
1004
1005         tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1006         if (!tfp) {
1007                 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
1008                 return -EINVAL;
1009         }
1010
1011         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1012         if (!kflds || !num_kflds) {
1013                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1014                 return -EINVAL;
1015         }
1016
1017         if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order) ||
1018             !ulp_blob_init(&mask, tbl->key_bit_size, parms->order) ||
1019             !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1020                 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1021                 return -EINVAL;
1022         }
1023
1024         /* create the key/mask */
1025         /*
1026          * NOTE: The WC table will require some kind of flag to handle the
1027          * mode bits within the key/mask
1028          */
1029         for (i = 0; i < num_kflds; i++) {
1030                 /* Setup the key */
1031                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1032                                                       &kflds[i],
1033                                                       &key, 1, "TCAM Key");
1034                 if (rc) {
1035                         BNXT_TF_DBG(ERR, "Key field set failed.\n");
1036                         return rc;
1037                 }
1038
1039                 /* Setup the mask */
1040                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1041                                                       &kflds[i],
1042                                                       &mask, 0, "TCAM Mask");
1043                 if (rc) {
1044                         BNXT_TF_DBG(ERR, "Mask field set failed.\n");
1045                         return rc;
1046                 }
1047         }
1048
1049         aparms.dir              = tbl->direction;
1050         aparms.tcam_tbl_type    = tbl->resource_type;
1051         aparms.search_enable    = tbl->srch_b4_alloc;
1052         aparms.key_sz_in_bits   = tbl->key_bit_size;
1053         aparms.key              = ulp_blob_data_get(&key, &tmplen);
1054         if (tbl->key_bit_size != tmplen) {
1055                 BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n",
1056                             tmplen, tbl->key_bit_size);
1057                 return -EINVAL;
1058         }
1059
1060         aparms.mask             = ulp_blob_data_get(&mask, &tmplen);
1061         if (tbl->key_bit_size != tmplen) {
1062                 BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n",
1063                             tmplen, tbl->key_bit_size);
1064                 return -EINVAL;
1065         }
1066
1067         aparms.priority         = tbl->priority;
1068
1069         /*
1070          * All failures after this succeeds require the entry to be freed.
1071          * cannot return directly on failure, but needs to goto error
1072          */
1073         rc = tf_alloc_tcam_entry(tfp, &aparms);
1074         if (rc) {
1075                 BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
1076                 return rc;
1077         }
1078
1079         hit = aparms.hit;
1080
1081         /* Build the result */
1082         if (!tbl->srch_b4_alloc || !hit) {
1083                 struct bnxt_ulp_mapper_result_field_info *dflds;
1084                 struct bnxt_ulp_mapper_ident_info *idents;
1085                 uint32_t num_dflds, num_idents;
1086
1087                 /*
1088                  * Since the cache entry is responsible for allocating
1089                  * identifiers when in use, allocate the identifiers only
1090                  * during normal processing.
1091                  */
1092                 if (parms->tcam_tbl_opc ==
1093                     BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1094                         idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1095
1096                         for (i = 0; i < num_idents; i++) {
1097                                 rc = ulp_mapper_ident_process(parms, tbl,
1098                                                               &idents[i], NULL);
1099                                 /* Already logged the error, just return */
1100                                 if (rc)
1101                                         goto error;
1102                         }
1103                 }
1104
1105                 /* Create the result data blob */
1106                 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1107                 if (!dflds || !num_dflds) {
1108                         BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1109                         rc = -EINVAL;
1110                         goto error;
1111                 }
1112
1113                 for (i = 0; i < num_dflds; i++) {
1114                         rc = ulp_mapper_result_field_process(parms,
1115                                                              tbl->direction,
1116                                                              &dflds[i],
1117                                                              &data,
1118                                                              "TCAM Result");
1119                         if (rc) {
1120                                 BNXT_TF_DBG(ERR, "Failed to set data fields\n");
1121                                 goto error;
1122                         }
1123                 }
1124
1125                 sparms.dir              = aparms.dir;
1126                 sparms.tcam_tbl_type    = aparms.tcam_tbl_type;
1127                 sparms.idx              = aparms.idx;
1128                 /* Already verified the key/mask lengths */
1129                 sparms.key              = ulp_blob_data_get(&key, &tmplen);
1130                 sparms.mask             = ulp_blob_data_get(&mask, &tmplen);
1131                 sparms.key_sz_in_bits   = tbl->key_bit_size;
1132                 sparms.result           = ulp_blob_data_get(&data, &tmplen);
1133
1134                 if (tbl->result_bit_size != tmplen) {
1135                         BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n",
1136                                     tmplen, tbl->result_bit_size);
1137                         rc = -EINVAL;
1138                         goto error;
1139                 }
1140                 sparms.result_sz_in_bits = tbl->result_bit_size;
1141
1142                 rc = tf_set_tcam_entry(tfp, &sparms);
1143                 if (rc) {
1144                         BNXT_TF_DBG(ERR, "tcam[%d][%s][%d] write failed.\n",
1145                                     sparms.tcam_tbl_type,
1146                                     (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1147                                     sparms.idx);
1148                         goto error;
1149                 }
1150
1151                 /* Update cache with TCAM index if the was cache allocated. */
1152                 if (parms->tcam_tbl_opc ==
1153                     BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC) {
1154                         if (!parms->cache_ptr) {
1155                                 BNXT_TF_DBG(ERR, "Unable to update cache");
1156                                 rc = -EINVAL;
1157                                 goto error;
1158                         }
1159                         parms->cache_ptr->tcam_idx = aparms.idx;
1160                 }
1161
1162         } else {
1163                 BNXT_TF_DBG(ERR, "Not supporting search before alloc now\n");
1164                 rc = -EINVAL;
1165                 goto error;
1166         }
1167
1168         /*
1169          * Only link the entry to the flow db in the event that cache was not
1170          * used.
1171          */
1172         if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1173                 fid_parms.direction = tbl->direction;
1174                 fid_parms.resource_func = tbl->resource_func;
1175                 fid_parms.resource_type = tbl->resource_type;
1176                 fid_parms.critical_resource = tbl->critical_resource;
1177                 fid_parms.resource_hndl = aparms.idx;
1178                 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1179                                               parms->tbl_idx,
1180                                               parms->fid,
1181                                               &fid_parms);
1182                 if (rc) {
1183                         BNXT_TF_DBG(ERR,
1184                                     "Failed to link resource to flow rc = %d\n",
1185                                     rc);
1186                         /* Need to free the identifier, so goto error */
1187                         goto error;
1188                 }
1189         } else {
1190                 /*
1191                  * Reset the tcam table opcode to normal in case the next tcam
1192                  * entry does not use cache.
1193                  */
1194                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1195                 parms->cache_ptr = NULL;
1196         }
1197
1198         return 0;
1199 error:
1200         parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1201         free_parms.dir                  = tbl->direction;
1202         free_parms.tcam_tbl_type        = tbl->resource_type;
1203         free_parms.idx                  = aparms.idx;
1204         trc = tf_free_tcam_entry(tfp, &free_parms);
1205         if (trc)
1206                 BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n",
1207                             tbl->resource_type, tbl->direction, aparms.idx);
1208
1209         return rc;
1210 }
1211
1212 static int32_t
1213 ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1214                           struct bnxt_ulp_mapper_tbl_info *tbl)
1215 {
1216         struct bnxt_ulp_mapper_class_key_field_info     *kflds;
1217         struct bnxt_ulp_mapper_result_field_info *dflds;
1218         struct ulp_blob key, data;
1219         uint32_t i, num_kflds, num_dflds;
1220         uint16_t tmplen;
1221         struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1222         struct ulp_flow_db_res_params   fid_parms = { 0 };
1223         struct tf_insert_em_entry_parms iparms = { 0 };
1224         struct tf_delete_em_entry_parms free_parms = { 0 };
1225         int32_t trc;
1226         int32_t rc = 0;
1227
1228         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1229         if (!kflds || !num_kflds) {
1230                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1231                 return -EINVAL;
1232         }
1233
1234         /* Initialize the key/result blobs */
1235         if (!ulp_blob_init(&key, tbl->blob_key_bit_size, parms->order) ||
1236             !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1237                 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1238                 return -EINVAL;
1239         }
1240
1241         /* create the key */
1242         for (i = 0; i < num_kflds; i++) {
1243                 /* Setup the key */
1244                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1245                                                       &kflds[i],
1246                                                       &key, 1, "EM Key");
1247                 if (rc) {
1248                         BNXT_TF_DBG(ERR, "Key field set failed.\n");
1249                         return rc;
1250                 }
1251         }
1252
1253         /*
1254          * TBD: Normally should process identifiers in case of using recycle or
1255          * loopback.  Not supporting recycle for now.
1256          */
1257
1258         /* Create the result data blob */
1259         dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1260         if (!dflds || !num_dflds) {
1261                 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1262                 return -EINVAL;
1263         }
1264
1265         for (i = 0; i < num_dflds; i++) {
1266                 struct bnxt_ulp_mapper_result_field_info *fld;
1267
1268                 fld = &dflds[i];
1269
1270                 rc = ulp_mapper_result_field_process(parms,
1271                                                      tbl->direction,
1272                                                      fld,
1273                                                      &data,
1274                                                      "EM Result");
1275                 if (rc) {
1276                         BNXT_TF_DBG(ERR, "Failed to set data fields.\n");
1277                         return rc;
1278                 }
1279         }
1280
1281         rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
1282                                              &iparms.tbl_scope_id);
1283         if (rc) {
1284                 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1285                 return rc;
1286         }
1287
1288         /*
1289          * NOTE: the actual blob size will differ from the size in the tbl
1290          * entry due to the padding.
1291          */
1292         iparms.dup_check                = 0;
1293         iparms.dir                      = tbl->direction;
1294         iparms.mem                      = tbl->resource_type;
1295         iparms.key                      = ulp_blob_data_get(&key, &tmplen);
1296         iparms.key_sz_in_bits           = tbl->key_bit_size;
1297         iparms.em_record                = ulp_blob_data_get(&data, &tmplen);
1298         iparms.em_record_sz_in_bits     = tbl->result_bit_size;
1299
1300         rc = tf_insert_em_entry(tfp, &iparms);
1301         if (rc) {
1302                 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
1303                 return rc;
1304         }
1305
1306         /* Mark action process */
1307         if (parms->device_params->global_fid_enable &&
1308             tbl->resource_type == TF_MEM_EXTERNAL)
1309                 rc = ulp_mapper_mark_gfid_process(parms, tbl, iparms.flow_id);
1310         else if (!parms->device_params->global_fid_enable &&
1311                  tbl->resource_type == TF_MEM_INTERNAL)
1312                 rc = ulp_mapper_mark_act_ptr_process(parms, tbl);
1313         if (rc) {
1314                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1315                 goto error;
1316         }
1317
1318         /* Link the EM resource to the flow in the flow db */
1319         memset(&fid_parms, 0, sizeof(fid_parms));
1320         fid_parms.direction             = tbl->direction;
1321         fid_parms.resource_func         = tbl->resource_func;
1322         fid_parms.resource_type         = tbl->resource_type;
1323         fid_parms.critical_resource     = tbl->critical_resource;
1324         fid_parms.resource_hndl         = iparms.flow_handle;
1325
1326         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1327                                       parms->tbl_idx,
1328                                       parms->fid,
1329                                       &fid_parms);
1330         if (rc) {
1331                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1332                             rc);
1333                 /* Need to free the identifier, so goto error */
1334                 goto error;
1335         }
1336
1337         return 0;
1338 error:
1339         free_parms.dir          = iparms.dir;
1340         free_parms.mem          = iparms.mem;
1341         free_parms.tbl_scope_id = iparms.tbl_scope_id;
1342         free_parms.flow_handle  = iparms.flow_handle;
1343
1344         trc = tf_delete_em_entry(tfp, &free_parms);
1345         if (trc)
1346                 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
1347
1348         return rc;
1349 }
1350
1351 static int32_t
1352 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1353                              struct bnxt_ulp_mapper_tbl_info *tbl,
1354                              bool is_class_tbl)
1355 {
1356         struct bnxt_ulp_mapper_result_field_info *flds;
1357         struct ulp_flow_db_res_params   fid_parms;
1358         struct ulp_blob data;
1359         uint64_t idx;
1360         uint16_t tmplen;
1361         uint32_t i, num_flds;
1362         int32_t rc = 0, trc = 0;
1363         struct tf_alloc_tbl_entry_parms aparms = { 0 };
1364         struct tf_set_tbl_entry_parms   sparms = { 0 };
1365         struct tf_free_tbl_entry_parms  free_parms = { 0 };
1366         uint32_t tbl_scope_id;
1367         struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1368         uint16_t bit_size;
1369         uint32_t encap_flds = 0;
1370
1371         /* Get the scope id first */
1372         rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
1373         if (rc) {
1374                 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1375                 return rc;
1376         }
1377
1378         /* use the max size if encap is enabled */
1379         if (tbl->encap_num_fields)
1380                 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS;
1381         else
1382                 bit_size = tbl->result_bit_size;
1383
1384         /* Initialize the blob data */
1385         if (!ulp_blob_init(&data, bit_size,
1386                            parms->device_params->byte_order)) {
1387                 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
1388                 return -EINVAL;
1389         }
1390
1391         /* Get the result fields list */
1392         if (is_class_tbl)
1393                 flds = ulp_mapper_result_fields_get(tbl, &num_flds);
1394         else
1395                 flds = ulp_mapper_act_result_fields_get(tbl, &num_flds,
1396                                                         &encap_flds);
1397
1398         if (!flds || !num_flds) {
1399                 BNXT_TF_DBG(ERR, "template undefined for the index table\n");
1400                 return -EINVAL;
1401         }
1402
1403         /* process the result fields, loop through them */
1404         for (i = 0; i < (num_flds + encap_flds); i++) {
1405                 /* set the swap index if encap swap bit is enabled */
1406                 if (parms->device_params->encap_byte_swap && encap_flds &&
1407                     ((i + 1) == num_flds))
1408                         ulp_blob_encap_swap_idx_set(&data);
1409
1410                 /* Process the result fields */
1411                 rc = ulp_mapper_result_field_process(parms,
1412                                                      tbl->direction,
1413                                                      &flds[i],
1414                                                      &data,
1415                                                      "Indexed Result");
1416                 if (rc) {
1417                         BNXT_TF_DBG(ERR, "data field failed\n");
1418                         return rc;
1419                 }
1420
1421                 /* if encap bit swap is enabled perform the bit swap */
1422                 if (parms->device_params->encap_byte_swap && encap_flds) {
1423                         if ((i + 1) == (num_flds + encap_flds))
1424                                 ulp_blob_perform_encap_swap(&data);
1425 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
1426                         if ((i + 1) == (num_flds + encap_flds)) {
1427                                 BNXT_TF_DBG(INFO, "Dump fter encap swap\n");
1428                                 ulp_mapper_blob_dump(&data);
1429                         }
1430 #endif
1431                 }
1432         }
1433
1434         /* Perform the tf table allocation by filling the alloc params */
1435         aparms.dir              = tbl->direction;
1436         aparms.type             = tbl->resource_type;
1437         aparms.search_enable    = tbl->srch_b4_alloc;
1438         aparms.result           = ulp_blob_data_get(&data, &tmplen);
1439         aparms.result_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1440         aparms.tbl_scope_id     = tbl_scope_id;
1441
1442         /* All failures after the alloc succeeds require a free */
1443         rc = tf_alloc_tbl_entry(tfp, &aparms);
1444         if (rc) {
1445                 BNXT_TF_DBG(ERR, "Alloc table[%d][%s] failed rc=%d\n",
1446                             aparms.type,
1447                             (aparms.dir == TF_DIR_RX) ? "RX" : "TX",
1448                             rc);
1449                 return rc;
1450         }
1451
1452         /*
1453          * calculate the idx for the result record, for external EM the offset
1454          * needs to be shifted accordingly. If external non-inline table types
1455          * are used then need to revisit this logic.
1456          */
1457         if (aparms.type == TF_TBL_TYPE_EXT)
1458                 idx = TF_ACT_REC_OFFSET_2_PTR(aparms.idx);
1459         else
1460                 idx = aparms.idx;
1461
1462         /* Always storing values in Regfile in BE */
1463         idx = tfp_cpu_to_be_64(idx);
1464         rc = ulp_regfile_write(parms->regfile, tbl->regfile_idx, idx);
1465         if (!rc) {
1466                 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
1467                             tbl->regfile_idx);
1468                 goto error;
1469         }
1470
1471         /* Perform the tf table set by filling the set params */
1472         if (!tbl->srch_b4_alloc || !aparms.hit) {
1473                 sparms.dir              = tbl->direction;
1474                 sparms.type             = tbl->resource_type;
1475                 sparms.data             = ulp_blob_data_get(&data, &tmplen);
1476                 sparms.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1477                 sparms.idx              = aparms.idx;
1478                 sparms.tbl_scope_id     = tbl_scope_id;
1479
1480                 rc = tf_set_tbl_entry(tfp, &sparms);
1481                 if (rc) {
1482                         BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
1483                                     sparms.type,
1484                                     (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1485                                     sparms.idx,
1486                                     rc);
1487                         goto error;
1488                 }
1489         }
1490
1491         /* Link the resource to the flow in the flow db */
1492         memset(&fid_parms, 0, sizeof(fid_parms));
1493         fid_parms.direction     = tbl->direction;
1494         fid_parms.resource_func = tbl->resource_func;
1495         fid_parms.resource_type = tbl->resource_type;
1496         fid_parms.resource_hndl = aparms.idx;
1497         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1498
1499         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1500                                       parms->tbl_idx,
1501                                       parms->fid,
1502                                       &fid_parms);
1503         if (rc) {
1504                 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
1505                             rc);
1506                 goto error;
1507         }
1508
1509         return rc;
1510 error:
1511         /*
1512          * Free the allocated resource since we failed to either
1513          * write to the entry or link the flow
1514          */
1515         free_parms.dir  = tbl->direction;
1516         free_parms.type = tbl->resource_type;
1517         free_parms.idx  = aparms.idx;
1518         free_parms.tbl_scope_id = tbl_scope_id;
1519
1520         trc = tf_free_tbl_entry(tfp, &free_parms);
1521         if (trc)
1522                 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
1523
1524         return rc;
1525 }
1526
1527 static int32_t
1528 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1529                              struct bnxt_ulp_mapper_tbl_info *tbl)
1530 {
1531         struct bnxt_ulp_mapper_class_key_field_info *kflds;
1532         struct bnxt_ulp_mapper_cache_entry *cache_entry;
1533         struct bnxt_ulp_mapper_ident_info *idents;
1534         uint32_t i, num_kflds = 0, num_idents = 0;
1535         struct ulp_flow_db_res_params fid_parms;
1536         struct tf_free_identifier_parms fparms;
1537         uint16_t tmplen, tmp_ident;
1538         struct ulp_blob key;
1539         uint8_t *cache_key;
1540         uint64_t regval;
1541         uint16_t *ckey;
1542         int32_t rc;
1543
1544         /* Get the key fields list and build the key. */
1545         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1546         if (!kflds || !num_kflds) {
1547                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1548                 return -EINVAL;
1549         }
1550         if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order)) {
1551                 BNXT_TF_DBG(ERR, "Failed to alloc blob\n");
1552                 return -EINVAL;
1553         }
1554         for (i = 0; i < num_kflds; i++) {
1555                 /* Setup the key */
1556                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1557                                                       &kflds[i],
1558                                                       &key, 1, "Cache Key");
1559                 if (rc) {
1560                         BNXT_TF_DBG(ERR,
1561                                     "Failed to create key for Cache rc=%d\n",
1562                                     rc);
1563                         return -EINVAL;
1564                 }
1565         }
1566
1567         /*
1568          * Perform the lookup in the cache table with constructed key.  The
1569          * cache_key is a byte array of tmplen, it needs to be converted to a
1570          * index for the cache table.
1571          */
1572         cache_key = ulp_blob_data_get(&key, &tmplen);
1573         ckey = (uint16_t *)cache_key;
1574
1575         /*
1576          * The id computed based on resource sub type and direction where
1577          * dir is the bit0 and rest of the bits come from resource
1578          * sub type.
1579          */
1580         cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx,
1581                                                  (tbl->resource_sub_type << 1 |
1582                                                  (tbl->direction & 0x1)),
1583                                                  *ckey);
1584
1585         /*
1586          * Get the identifier list for processing by both the hit and miss
1587          * processing.
1588          */
1589         idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1590
1591         if (!cache_entry->ref_count) {
1592                 /* Initialize the cache entry */
1593                 cache_entry->tcam_idx = 0;
1594                 cache_entry->ref_count = 0;
1595                 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++)
1596                         cache_entry->idents[i] = ULP_IDENTS_INVALID;
1597
1598                 /* Need to allocate identifiers for storing in the cache. */
1599                 for (i = 0; i < num_idents; i++) {
1600                         /*
1601                          * Since we are using the cache, the identifier does not
1602                          * get added to the flow db.  Pass in the pointer to the
1603                          * tmp_ident.
1604                          */
1605                         rc = ulp_mapper_ident_process(parms, tbl,
1606                                                       &idents[i], &tmp_ident);
1607                         if (rc)
1608                                 goto error;
1609
1610                         cache_entry->ident_types[i] = idents[i].ident_type;
1611                         cache_entry->idents[i] = tmp_ident;
1612                 }
1613
1614                 /* Tell the TCAM processor to alloc an entry */
1615                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC;
1616                 /* Store the cache key for use by the tcam process code */
1617                 parms->cache_ptr = cache_entry;
1618         } else {
1619                 /* Cache hit, get values from result. */
1620                 for (i = 0; i < num_idents; i++) {
1621                         regval = (uint64_t)cache_entry->idents[i];
1622                         if (!ulp_regfile_write(parms->regfile,
1623                                                idents[i].regfile_idx,
1624                                                tfp_cpu_to_be_64(regval))) {
1625                                 BNXT_TF_DBG(ERR,
1626                                             "Failed to write to regfile\n");
1627                                 return -EINVAL;
1628                         }
1629                 }
1630                 /*
1631                  * The cached entry is being used, so let the tcam processing
1632                  * know not to process this table.
1633                  */
1634                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP;
1635         }
1636
1637         /* Made through the cache processing, increment the reference count. */
1638         cache_entry->ref_count++;
1639
1640         /* Link the cache to the flow db. */
1641         memset(&fid_parms, 0, sizeof(fid_parms));
1642         fid_parms.direction = tbl->direction;
1643         fid_parms.resource_func = tbl->resource_func;
1644
1645         /*
1646          * Cache resource type is composed of table_type, resource
1647          * sub type and direction, it needs to set appropriately via setter.
1648          */
1649         ulp_mapper_cache_res_type_set(&fid_parms,
1650                                       tbl->resource_type,
1651                                       (tbl->resource_sub_type << 1 |
1652                                        (tbl->direction & 0x1)));
1653         fid_parms.resource_hndl = (uint64_t)*ckey;
1654         fid_parms.critical_resource = tbl->critical_resource;
1655         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1656                                       parms->tbl_idx,
1657                                       parms->fid,
1658                                       &fid_parms);
1659         if (rc)
1660                 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n");
1661
1662         return rc;
1663 error:
1664         /*
1665          * This error handling only gets called when the idents are being
1666          * allocated for the cache on misses.  Using the num_idents that was
1667          * previously set.
1668          */
1669         for (i = 0; i < num_idents; i++) {
1670                 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
1671                         continue;
1672
1673                 fparms.dir = tbl->direction;
1674                 fparms.ident_type = idents[i].ident_type;
1675                 fparms.id = cache_entry->idents[i];
1676                 tf_free_identifier(parms->tfp, &fparms);
1677         }
1678
1679         return rc;
1680 }
1681
1682 static int32_t
1683 ulp_mapper_glb_resource_info_init(struct tf *tfp,
1684                                   struct bnxt_ulp_mapper_data *mapper_data)
1685 {
1686         struct bnxt_ulp_glb_resource_info *glb_res;
1687         uint32_t num_glb_res_ids, idx;
1688         int32_t rc = 0;
1689
1690         glb_res = ulp_mapper_glb_resource_info_list_get(&num_glb_res_ids);
1691         if (!glb_res || !num_glb_res_ids) {
1692                 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
1693                 return -EINVAL;
1694         }
1695
1696         /* Iterate the global resources and process each one */
1697         for (idx = 0; idx < num_glb_res_ids; idx++) {
1698                 switch (glb_res[idx].resource_func) {
1699                 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1700                         rc = ulp_mapper_resource_ident_allocate(tfp,
1701                                                                 mapper_data,
1702                                                                 &glb_res[idx]);
1703                         break;
1704                 default:
1705                         BNXT_TF_DBG(ERR, "Global resource %x not supported\n",
1706                                     glb_res[idx].resource_func);
1707                         break;
1708                 }
1709         }
1710         return rc;
1711 }
1712
1713 /*
1714  * Function to process the action template. Iterate through the list
1715  * action info templates and process it.
1716  */
1717 static int32_t
1718 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1719 {
1720         uint32_t        i;
1721         int32_t         rc = 0;
1722         struct bnxt_ulp_mapper_tbl_info *tbl;
1723
1724         if (!parms->atbls || !parms->num_atbls) {
1725                 BNXT_TF_DBG(ERR, "No action tables for template[%d][%d].\n",
1726                             parms->dev_id, parms->act_tid);
1727                 return -EINVAL;
1728         }
1729
1730         for (i = 0; i < parms->num_atbls; i++) {
1731                 tbl = &parms->atbls[i];
1732                 switch (tbl->resource_func) {
1733                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1734                         rc = ulp_mapper_index_tbl_process(parms, tbl, false);
1735                         break;
1736                 default:
1737                         BNXT_TF_DBG(ERR, "Unexpected action resource %d\n",
1738                                     tbl->resource_func);
1739                         return -EINVAL;
1740                 }
1741         }
1742         if (rc) {
1743                 BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1744                             tbl->resource_func);
1745                 return rc;
1746         }
1747
1748         return rc;
1749 }
1750
1751 /* Create the classifier table entries for a flow. */
1752 static int32_t
1753 ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1754 {
1755         uint32_t        i;
1756         int32_t         rc = 0;
1757
1758         if (!parms)
1759                 return -EINVAL;
1760
1761         if (!parms->ctbls || !parms->num_ctbls) {
1762                 BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n",
1763                             parms->dev_id, parms->class_tid);
1764                 return -EINVAL;
1765         }
1766
1767         for (i = 0; i < parms->num_ctbls; i++) {
1768                 struct bnxt_ulp_mapper_tbl_info *tbl = &parms->ctbls[i];
1769
1770                 switch (tbl->resource_func) {
1771                 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1772                         rc = ulp_mapper_tcam_tbl_process(parms, tbl);
1773                         break;
1774                 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1775                         rc = ulp_mapper_em_tbl_process(parms, tbl);
1776                         break;
1777                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1778                         rc = ulp_mapper_index_tbl_process(parms, tbl, true);
1779                         break;
1780                 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1781                         rc = ulp_mapper_cache_tbl_process(parms, tbl);
1782                         break;
1783                 default:
1784                         BNXT_TF_DBG(ERR, "Unexpected class resource %d\n",
1785                                     tbl->resource_func);
1786                         return -EINVAL;
1787                 }
1788
1789                 if (rc) {
1790                         BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1791                                     tbl->resource_func);
1792                         return rc;
1793                 }
1794         }
1795
1796         return rc;
1797 }
1798
1799 static int32_t
1800 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
1801                          struct ulp_flow_db_res_params *res)
1802 {
1803         struct tf *tfp;
1804         int32_t rc = 0;
1805
1806         if (!res || !ulp) {
1807                 BNXT_TF_DBG(ERR, "Unable to free resource\n ");
1808                 return -EINVAL;
1809         }
1810
1811         tfp = bnxt_ulp_cntxt_tfp_get(ulp);
1812         if (!tfp) {
1813                 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n");
1814                 return -EINVAL;
1815         }
1816
1817         switch (res->resource_func) {
1818         case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1819                 rc = ulp_mapper_cache_entry_free(ulp, tfp, res);
1820                 break;
1821         case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1822                 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
1823                 break;
1824         case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1825                 rc = ulp_mapper_eem_entry_free(ulp, tfp, res);
1826                 break;
1827         case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1828                 rc = ulp_mapper_index_entry_free(ulp, tfp, res);
1829                 break;
1830         case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1831                 rc = ulp_mapper_ident_free(ulp, tfp, res);
1832                 break;
1833         case BNXT_ULP_RESOURCE_FUNC_HW_FID:
1834                 rc = ulp_mapper_mark_free(ulp, res);
1835                 break;
1836         default:
1837                 break;
1838         }
1839
1840         return rc;
1841 }
1842
1843 int32_t
1844 ulp_mapper_resources_free(struct bnxt_ulp_context       *ulp_ctx,
1845                           uint32_t fid,
1846                           enum bnxt_ulp_flow_db_tables  tbl_type)
1847 {
1848         struct ulp_flow_db_res_params   res_parms = { 0 };
1849         int32_t                         rc, trc;
1850
1851         if (!ulp_ctx) {
1852                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1853                 return -EINVAL;
1854         }
1855
1856         /*
1857          * Set the critical resource on the first resource del, then iterate
1858          * while status is good
1859          */
1860         res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_YES;
1861         rc = ulp_flow_db_resource_del(ulp_ctx, tbl_type, fid, &res_parms);
1862
1863         if (rc) {
1864                 /*
1865                  * This is unexpected on the first call to resource del.
1866                  * It likely means that the flow did not exist in the flow db.
1867                  */
1868                 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n",
1869                             tbl_type, fid, rc);
1870                 return rc;
1871         }
1872
1873         while (!rc) {
1874                 trc = ulp_mapper_resource_free(ulp_ctx, &res_parms);
1875                 if (trc)
1876                         /*
1877                          * On fail, we still need to attempt to free the
1878                          * remaining resources.  Don't return
1879                          */
1880                         BNXT_TF_DBG(ERR,
1881                                     "Flow[%d][0x%x] Res[%d][0x%016" PRIx64
1882                                     "] failed rc=%d.\n",
1883                                     tbl_type, fid, res_parms.resource_func,
1884                                     res_parms.resource_hndl, trc);
1885
1886                 /* All subsequent call require the non-critical_resource */
1887                 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1888
1889                 rc = ulp_flow_db_resource_del(ulp_ctx,
1890                                               tbl_type,
1891                                               fid,
1892                                               &res_parms);
1893         }
1894
1895         /* Free the Flow ID since we've removed all resources */
1896         rc = ulp_flow_db_fid_free(ulp_ctx, tbl_type, fid);
1897
1898         return rc;
1899 }
1900
1901 static void
1902 ulp_mapper_glb_resource_info_deinit(struct bnxt_ulp_context *ulp_ctx,
1903                                     struct bnxt_ulp_mapper_data *mapper_data)
1904 {
1905         struct bnxt_ulp_mapper_glb_resource_entry *ent;
1906         struct ulp_flow_db_res_params res;
1907         uint32_t dir, idx;
1908
1909         /* Iterate the global resources and process each one */
1910         for (dir = TF_DIR_RX; dir < TF_DIR_MAX; dir++) {
1911                 for (idx = 0; idx < BNXT_ULP_GLB_RESOURCE_INFO_TBL_MAX_SZ;
1912                       idx++) {
1913                         ent = &mapper_data->glb_res_tbl[dir][idx];
1914                         if (ent->resource_func ==
1915                             BNXT_ULP_RESOURCE_FUNC_INVALID)
1916                                 continue;
1917                         memset(&res, 0, sizeof(struct ulp_flow_db_res_params));
1918                         res.resource_func = ent->resource_func;
1919                         res.direction = dir;
1920                         res.resource_type = ent->resource_type;
1921                         res.resource_hndl = ent->resource_hndl;
1922                         ulp_mapper_resource_free(ulp_ctx, &res);
1923                 }
1924         }
1925 }
1926
1927 int32_t
1928 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid)
1929 {
1930         if (!ulp_ctx) {
1931                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1932                 return -EINVAL;
1933         }
1934
1935         return ulp_mapper_resources_free(ulp_ctx,
1936                                          fid,
1937                                          BNXT_ULP_REGULAR_FLOW_TABLE);
1938 }
1939
1940 /* Function to handle the mapping of the Flow to be compatible
1941  * with the underlying hardware.
1942  */
1943 int32_t
1944 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
1945                        struct bnxt_ulp_mapper_create_parms *cparms,
1946                        uint32_t *flowid)
1947 {
1948         struct bnxt_ulp_device_params *device_params;
1949         struct bnxt_ulp_mapper_parms parms;
1950         struct ulp_regfile regfile;
1951         int32_t  rc, trc;
1952
1953         if (!ulp_ctx || !cparms)
1954                 return -EINVAL;
1955
1956         /* Initialize the parms structure */
1957         memset(&parms, 0, sizeof(parms));
1958         parms.act_prop = cparms->act_prop;
1959         parms.act_bitmap = cparms->act;
1960         parms.regfile = &regfile;
1961         parms.hdr_field = cparms->hdr_field;
1962         parms.comp_fld = cparms->comp_fld;
1963         parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
1964         parms.ulp_ctx = ulp_ctx;
1965         parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1966
1967         /* Get the device id from the ulp context */
1968         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) {
1969                 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
1970                 return -EINVAL;
1971         }
1972
1973         /*
1974          * Get the mapper data for dynamic mapper data such as default
1975          * ids.
1976          */
1977         parms.mapper_data = (struct bnxt_ulp_mapper_data *)
1978                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
1979         if (!parms.mapper_data) {
1980                 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
1981                 return -EINVAL;
1982         }
1983
1984         /* Get the action table entry from device id and act context id */
1985         parms.act_tid = cparms->act_tid;
1986         parms.atbls = ulp_mapper_action_tbl_list_get(parms.dev_id,
1987                                                      parms.act_tid,
1988                                                      &parms.num_atbls);
1989         if (!parms.atbls || !parms.num_atbls) {
1990                 BNXT_TF_DBG(ERR, "No action tables for %d:%d\n",
1991                             parms.dev_id, parms.act_tid);
1992                 return -EINVAL;
1993         }
1994
1995         /* Get the class table entry from device id and act context id */
1996         parms.class_tid = cparms->class_tid;
1997         parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id,
1998                                                     parms.class_tid,
1999                                                     &parms.num_ctbls);
2000         if (!parms.ctbls || !parms.num_ctbls) {
2001                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2002                             parms.dev_id, parms.class_tid);
2003                 return -EINVAL;
2004         }
2005
2006         /* Get the byte order for the further processing from device params */
2007         device_params = bnxt_ulp_device_params_get(parms.dev_id);
2008         if (!device_params) {
2009                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2010                             parms.dev_id, parms.class_tid);
2011                 return -EINVAL;
2012         }
2013         parms.order = device_params->byte_order;
2014         parms.encap_byte_swap = device_params->encap_byte_swap;
2015
2016         /* initialize the registry file for further processing */
2017         if (!ulp_regfile_init(parms.regfile)) {
2018                 BNXT_TF_DBG(ERR, "regfile initialization failed.\n");
2019                 return -EINVAL;
2020         }
2021
2022         rc = ulp_regfile_write(parms.regfile,
2023                                BNXT_ULP_REGFILE_INDEX_CLASS_TID,
2024                                tfp_cpu_to_be_64((uint64_t)parms.class_tid));
2025         if (!rc) {
2026                 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n");
2027                 return -EINVAL;
2028         }
2029
2030         /* Allocate a Flow ID for attaching all resources for the flow to.
2031          * Once allocated, all errors have to walk the list of resources and
2032          * free each of them.
2033          */
2034         rc = ulp_flow_db_fid_alloc(ulp_ctx,
2035                                    BNXT_ULP_REGULAR_FLOW_TABLE,
2036                                    cparms->func_id,
2037                                    &parms.fid);
2038         if (rc) {
2039                 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n");
2040                 return rc;
2041         }
2042
2043         /* Process the action template list from the selected action table*/
2044         rc = ulp_mapper_action_tbls_process(&parms);
2045         if (rc) {
2046                 BNXT_TF_DBG(ERR, "action tables failed creation for %d:%d\n",
2047                             parms.dev_id, parms.act_tid);
2048                 goto flow_error;
2049         }
2050
2051         /* All good. Now process the class template */
2052         rc = ulp_mapper_class_tbls_process(&parms);
2053         if (rc) {
2054                 BNXT_TF_DBG(ERR, "class tables failed creation for %d:%d\n",
2055                             parms.dev_id, parms.class_tid);
2056                 goto flow_error;
2057         }
2058
2059         *flowid = parms.fid;
2060
2061         return rc;
2062
2063 flow_error:
2064         /* Free all resources that were allocated during flow creation */
2065         trc = ulp_mapper_flow_destroy(ulp_ctx, parms.fid);
2066         if (trc)
2067                 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc);
2068
2069         return rc;
2070 }
2071
2072 int32_t
2073 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx)
2074 {
2075         struct bnxt_ulp_cache_tbl_params *tbl;
2076         struct bnxt_ulp_mapper_data *data;
2077         uint32_t i;
2078         struct tf *tfp;
2079         int32_t rc, csize;
2080
2081         if (!ulp_ctx)
2082                 return -EINVAL;
2083
2084         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2085         if (!tfp)
2086                 return -EINVAL;
2087
2088         data = rte_zmalloc("ulp_mapper_data",
2089                            sizeof(struct bnxt_ulp_mapper_data), 0);
2090         if (!data) {
2091                 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n");
2092                 return -ENOMEM;
2093         }
2094
2095         if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) {
2096                 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n");
2097                 /* Don't call deinit since the prof_func wasn't allocated. */
2098                 rte_free(data);
2099                 return -ENOMEM;
2100         }
2101
2102         /* Allocate the global resource ids */
2103         rc = ulp_mapper_glb_resource_info_init(tfp, data);
2104         if (rc) {
2105                 BNXT_TF_DBG(ERR, "Failed to initialize global resource ids\n");
2106                 goto error;
2107         }
2108
2109         /* Allocate the ulp cache tables. */
2110         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2111                 tbl = ulp_mapper_cache_tbl_params_get(i);
2112                 if (!tbl) {
2113                         BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)",
2114                                     i);
2115                         goto error;
2116                 }
2117                 if (tbl->num_entries != 0) {
2118                         csize = sizeof(struct bnxt_ulp_mapper_cache_entry) *
2119                                 tbl->num_entries;
2120                         data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl",
2121                                                          csize, 0);
2122                         if (!data->cache_tbl[i]) {
2123                                 BNXT_TF_DBG(ERR, "Failed to allocate Cache "
2124                                             "table %d.\n", i);
2125                                 rc = -ENOMEM;
2126                                 goto error;
2127                         }
2128                 }
2129         }
2130
2131         return 0;
2132 error:
2133         /* Ignore the return code in favor of returning the original error. */
2134         ulp_mapper_deinit(ulp_ctx);
2135         return rc;
2136 }
2137
2138 void
2139 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx)
2140 {
2141         struct bnxt_ulp_mapper_data *data;
2142         uint32_t i;
2143         struct tf *tfp;
2144
2145         if (!ulp_ctx) {
2146                 BNXT_TF_DBG(ERR,
2147                             "Failed to acquire ulp context, so data may "
2148                             "not be released.\n");
2149                 return;
2150         }
2151
2152         data = (struct bnxt_ulp_mapper_data *)
2153                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2154         if (!data) {
2155                 /* Go ahead and return since there is no allocated data. */
2156                 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n");
2157                 return;
2158         }
2159
2160         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2161         if (!tfp) {
2162                 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n");
2163                 /* Free the mapper data regardless of errors. */
2164                 goto free_mapper_data;
2165         }
2166
2167         /* Free the global resource info table entries */
2168         ulp_mapper_glb_resource_info_deinit(ulp_ctx, data);
2169
2170 free_mapper_data:
2171         /* Free the ulp cache tables */
2172         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2173                 rte_free(data->cache_tbl[i]);
2174                 data->cache_tbl[i] = NULL;
2175         }
2176
2177         rte_free(data);
2178         /* Reset the data pointer within the ulp_ctx. */
2179         bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL);
2180 }