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_MAPPER_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_MAPPER_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_MAPPER_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_MAPPER_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_MAPPER_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_MAPPER_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_MAPPER_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         case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO:
 758                 if (ulp_blob_pad_push(blob, fld->field_bit_size) < 0) {
 759                         BNXT_TF_DBG(ERR, "%s too large for blob\n", name);
 760                         return -EINVAL;
 761                 }
 762
 763                 break;
 764         default:
 765                 return -EINVAL;
 766         }
 767         return 0;
 768 }
 769
 770 /* Function to alloc action record and set the table. */
 771 static int32_t
 772 ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms,
 773                                  enum tf_dir dir,
 774                                  struct bnxt_ulp_mapper_class_key_field_info *f,
 775                                  struct ulp_blob *blob,
 776                                  uint8_t is_key,
 777                                  const char *name)
 778 {
 779         uint64_t val64;
 780         uint16_t idx, bitlen;
 781         uint32_t opcode;
 782         uint8_t *operand;
 783         struct ulp_regfile *regfile = parms->regfile;
 784         uint8_t *val = NULL;
 785         struct bnxt_ulp_mapper_class_key_field_info *fld = f;
 786         uint32_t field_size;
 787
 788         if (is_key) {
 789                 operand = fld->spec_operand;
 790                 opcode  = fld->spec_opcode;
 791         } else {
 792                 operand = fld->mask_operand;
 793                 opcode  = fld->mask_opcode;
 794         }
 795
 796         bitlen = fld->field_bit_size;
 797
 798         switch (opcode) {
 799         case BNXT_ULP_MAPPER_OPC_SET_TO_CONSTANT:
 800                 val = operand;
 801                 if (!ulp_blob_push(blob, val, bitlen)) {
 802                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 803                         return -EINVAL;
 804                 }
 805                 break;
 806         case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO:
 807                 if (ulp_blob_pad_push(blob, bitlen) < 0) {
 808                         BNXT_TF_DBG(ERR, "%s pad too large for blob\n", name);
 809                         return -EINVAL;
 810                 }
 811
 812                 break;
 813         case BNXT_ULP_MAPPER_OPC_SET_TO_HDR_FIELD:
 814                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 815                                       sizeof(uint16_t))) {
 816                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 817                         return -EINVAL;
 818                 }
 819                 idx = tfp_be_to_cpu_16(idx);
 820                 if (is_key)
 821                         val = parms->hdr_field[idx].spec;
 822                 else
 823                         val = parms->hdr_field[idx].mask;
 824
 825                 /*
 826                  * Need to account for how much data was pushed to the header
 827                  * field vs how much is to be inserted in the key/mask.
 828                  */
 829                 field_size = parms->hdr_field[idx].size;
 830                 if (bitlen < ULP_BYTE_2_BITS(field_size)) {
 831                         field_size  = field_size - ((bitlen + 7) / 8);
 832                         val += field_size;
 833                 }
 834
 835                 if (!ulp_blob_push(blob, val, bitlen)) {
 836                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 837                         return -EINVAL;
 838                 }
 839                 break;
 840         case BNXT_ULP_MAPPER_OPC_SET_TO_COMP_FIELD:
 841                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 842                                       sizeof(uint16_t))) {
 843                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 844                         return -EINVAL;
 845                 }
 846                 idx = tfp_be_to_cpu_16(idx);
 847                 if (idx < BNXT_ULP_CF_IDX_LAST)
 848                         val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
 849                                                bitlen);
 850                 if (!val) {
 851                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 852                         return -EINVAL;
 853                 }
 854                 break;
 855         case BNXT_ULP_MAPPER_OPC_SET_TO_REGFILE:
 856                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 857                                       sizeof(uint16_t))) {
 858                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 859                         return -EINVAL;
 860                 }
 861                 idx = tfp_be_to_cpu_16(idx);
 862
 863                 if (!ulp_regfile_read(regfile, idx, &val64)) {
 864                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 865                                     name, idx);
 866                         return -EINVAL;
 867                 }
 868
 869                 val = ulp_blob_push_64(blob, &val64, bitlen);
 870                 if (!val) {
 871                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 872                         return -EINVAL;
 873                 }
 874                 break;
 875         case BNXT_ULP_MAPPER_OPC_SET_TO_GLB_REGFILE:
 876                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 877                                       sizeof(uint16_t))) {
 878                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 879                         return -EINVAL;
 880                 }
 881                 idx = tfp_be_to_cpu_16(idx);
 882                 if (ulp_mapper_glb_resource_read(parms->mapper_data,
 883                                                  dir,
 884                                                  idx, &val64)) {
 885                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 886                                     name, idx);
 887                         return -EINVAL;
 888                 }
 889                 val = ulp_blob_push_64(blob, &val64, bitlen);
 890                 if (!val) {
 891                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 892                         return -EINVAL;
 893                 }
 894                 break;
 895         default:
 896                 break;
 897         }
 898
 899         return 0;
 900 }
 901
 902 static int32_t
 903 ulp_mapper_mark_gfid_process(struct bnxt_ulp_mapper_parms *parms,
 904                              struct bnxt_ulp_mapper_tbl_info *tbl,
 905                              uint64_t flow_id)
 906 {
 907         struct ulp_flow_db_res_params fid_parms;
 908         uint32_t mark, gfid, mark_flag;
 909         int32_t rc = 0;
 910
 911         if (!(tbl->mark_enable &&
 912               ULP_BITMAP_ISSET(parms->act_bitmap->bits,
 913                               BNXT_ULP_ACTION_BIT_MARK)))
 914                 return rc; /* no need to perform gfid process */
 915
 916         /* Get the mark id details from action property */
 917         memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
 918                sizeof(mark));
 919         mark = tfp_be_to_cpu_32(mark);
 920
 921         TF_GET_GFID_FROM_FLOW_ID(flow_id, gfid);
 922         mark_flag  = BNXT_ULP_MARK_GLOBAL_HW_FID;
 923         rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
 924                                   gfid, mark);
 925         if (rc) {
 926                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
 927                 return rc;
 928         }
 929         fid_parms.direction = tbl->direction;
 930         fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
 931         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
 932         fid_parms.resource_type = mark_flag;
 933         fid_parms.resource_hndl = gfid;
 934         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 935                                       parms->tbl_idx,
 936                                       parms->fid,
 937                                       &fid_parms);
 938         if (rc)
 939                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
 940         return rc;
 941 }
 942
 943 static int32_t
 944 ulp_mapper_mark_act_ptr_process(struct bnxt_ulp_mapper_parms *parms,
 945                                 struct bnxt_ulp_mapper_tbl_info *tbl)
 946 {
 947         struct ulp_flow_db_res_params fid_parms;
 948         uint32_t act_idx, mark, mark_flag;
 949         uint64_t val64;
 950         int32_t rc = 0;
 951
 952         if (!(tbl->mark_enable &&
 953               ULP_BITMAP_ISSET(parms->act_bitmap->bits,
 954                                 BNXT_ULP_ACTION_BIT_MARK)))
 955                 return rc; /* no need to perform mark action process */
 956
 957         /* Get the mark id details from action property */
 958         memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
 959                sizeof(mark));
 960         mark = tfp_be_to_cpu_32(mark);
 961
 962         if (!ulp_regfile_read(parms->regfile,
 963                               BNXT_ULP_REGFILE_INDEX_MAIN_ACTION_PTR,
 964                               &val64)) {
 965                 BNXT_TF_DBG(ERR, "read action ptr main failed\n");
 966                 return -EINVAL;
 967         }
 968         act_idx = tfp_be_to_cpu_64(val64);
 969         mark_flag  = BNXT_ULP_MARK_LOCAL_HW_FID;
 970         rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
 971                                   act_idx, mark);
 972         if (rc) {
 973                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
 974                 return rc;
 975         }
 976         fid_parms.direction = tbl->direction;
 977         fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
 978         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
 979         fid_parms.resource_type = mark_flag;
 980         fid_parms.resource_hndl = act_idx;
 981         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 982                                       parms->tbl_idx,
 983                                       parms->fid,
 984                                       &fid_parms);
 985         if (rc)
 986                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
 987         return rc;
 988 }
 989
 990 static int32_t
 991 ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
 992                             struct bnxt_ulp_mapper_tbl_info *tbl)
 993 {
 994         struct bnxt_ulp_mapper_class_key_field_info     *kflds;
 995         struct ulp_blob key, mask, data;
 996         uint32_t i, num_kflds;
 997         struct tf *tfp;
 998         int32_t rc, trc;
 999         struct tf_alloc_tcam_entry_parms aparms         = { 0 };
1000         struct tf_set_tcam_entry_parms sparms           = { 0 };
1001         struct ulp_flow_db_res_params   fid_parms       = { 0 };
1002         struct tf_free_tcam_entry_parms free_parms      = { 0 };
1003         uint32_t hit = 0;
1004         uint16_t tmplen = 0;
1005
1006         /* Skip this if was handled by the cache. */
1007         if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP) {
1008                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1009                 return 0;
1010         }
1011
1012         tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1013         if (!tfp) {
1014                 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
1015                 return -EINVAL;
1016         }
1017
1018         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1019         if (!kflds || !num_kflds) {
1020                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1021                 return -EINVAL;
1022         }
1023
1024         if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order) ||
1025             !ulp_blob_init(&mask, tbl->key_bit_size, parms->order) ||
1026             !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1027                 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1028                 return -EINVAL;
1029         }
1030
1031         /* create the key/mask */
1032         /*
1033          * NOTE: The WC table will require some kind of flag to handle the
1034          * mode bits within the key/mask
1035          */
1036         for (i = 0; i < num_kflds; i++) {
1037                 /* Setup the key */
1038                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1039                                                       &kflds[i],
1040                                                       &key, 1, "TCAM Key");
1041                 if (rc) {
1042                         BNXT_TF_DBG(ERR, "Key field set failed.\n");
1043                         return rc;
1044                 }
1045
1046                 /* Setup the mask */
1047                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1048                                                       &kflds[i],
1049                                                       &mask, 0, "TCAM Mask");
1050                 if (rc) {
1051                         BNXT_TF_DBG(ERR, "Mask field set failed.\n");
1052                         return rc;
1053                 }
1054         }
1055
1056         aparms.dir              = tbl->direction;
1057         aparms.tcam_tbl_type    = tbl->resource_type;
1058         aparms.search_enable    = tbl->srch_b4_alloc;
1059         aparms.key_sz_in_bits   = tbl->key_bit_size;
1060         aparms.key              = ulp_blob_data_get(&key, &tmplen);
1061         if (tbl->key_bit_size != tmplen) {
1062                 BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n",
1063                             tmplen, tbl->key_bit_size);
1064                 return -EINVAL;
1065         }
1066
1067         aparms.mask             = ulp_blob_data_get(&mask, &tmplen);
1068         if (tbl->key_bit_size != tmplen) {
1069                 BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n",
1070                             tmplen, tbl->key_bit_size);
1071                 return -EINVAL;
1072         }
1073
1074         aparms.priority         = tbl->priority;
1075
1076         /*
1077          * All failures after this succeeds require the entry to be freed.
1078          * cannot return directly on failure, but needs to goto error
1079          */
1080         rc = tf_alloc_tcam_entry(tfp, &aparms);
1081         if (rc) {
1082                 BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
1083                 return rc;
1084         }
1085
1086         hit = aparms.hit;
1087
1088         /* Build the result */
1089         if (!tbl->srch_b4_alloc || !hit) {
1090                 struct bnxt_ulp_mapper_result_field_info *dflds;
1091                 struct bnxt_ulp_mapper_ident_info *idents;
1092                 uint32_t num_dflds, num_idents;
1093
1094                 /*
1095                  * Since the cache entry is responsible for allocating
1096                  * identifiers when in use, allocate the identifiers only
1097                  * during normal processing.
1098                  */
1099                 if (parms->tcam_tbl_opc ==
1100                     BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1101                         idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1102
1103                         for (i = 0; i < num_idents; i++) {
1104                                 rc = ulp_mapper_ident_process(parms, tbl,
1105                                                               &idents[i], NULL);
1106                                 /* Already logged the error, just return */
1107                                 if (rc)
1108                                         goto error;
1109                         }
1110                 }
1111
1112                 /* Create the result data blob */
1113                 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1114                 if (!dflds || !num_dflds) {
1115                         BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1116                         rc = -EINVAL;
1117                         goto error;
1118                 }
1119
1120                 for (i = 0; i < num_dflds; i++) {
1121                         rc = ulp_mapper_result_field_process(parms,
1122                                                              tbl->direction,
1123                                                              &dflds[i],
1124                                                              &data,
1125                                                              "TCAM Result");
1126                         if (rc) {
1127                                 BNXT_TF_DBG(ERR, "Failed to set data fields\n");
1128                                 goto error;
1129                         }
1130                 }
1131
1132                 sparms.dir              = aparms.dir;
1133                 sparms.tcam_tbl_type    = aparms.tcam_tbl_type;
1134                 sparms.idx              = aparms.idx;
1135                 /* Already verified the key/mask lengths */
1136                 sparms.key              = ulp_blob_data_get(&key, &tmplen);
1137                 sparms.mask             = ulp_blob_data_get(&mask, &tmplen);
1138                 sparms.key_sz_in_bits   = tbl->key_bit_size;
1139                 sparms.result           = ulp_blob_data_get(&data, &tmplen);
1140
1141                 if (tbl->result_bit_size != tmplen) {
1142                         BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n",
1143                                     tmplen, tbl->result_bit_size);
1144                         rc = -EINVAL;
1145                         goto error;
1146                 }
1147                 sparms.result_sz_in_bits = tbl->result_bit_size;
1148
1149                 rc = tf_set_tcam_entry(tfp, &sparms);
1150                 if (rc) {
1151                         BNXT_TF_DBG(ERR, "tcam[%d][%s][%d] write failed.\n",
1152                                     sparms.tcam_tbl_type,
1153                                     (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1154                                     sparms.idx);
1155                         goto error;
1156                 }
1157
1158                 /* Update cache with TCAM index if the was cache allocated. */
1159                 if (parms->tcam_tbl_opc ==
1160                     BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC) {
1161                         if (!parms->cache_ptr) {
1162                                 BNXT_TF_DBG(ERR, "Unable to update cache");
1163                                 rc = -EINVAL;
1164                                 goto error;
1165                         }
1166                         parms->cache_ptr->tcam_idx = aparms.idx;
1167                 }
1168
1169         } else {
1170                 BNXT_TF_DBG(ERR, "Not supporting search before alloc now\n");
1171                 rc = -EINVAL;
1172                 goto error;
1173         }
1174
1175         /*
1176          * Only link the entry to the flow db in the event that cache was not
1177          * used.
1178          */
1179         if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1180                 fid_parms.direction = tbl->direction;
1181                 fid_parms.resource_func = tbl->resource_func;
1182                 fid_parms.resource_type = tbl->resource_type;
1183                 fid_parms.critical_resource = tbl->critical_resource;
1184                 fid_parms.resource_hndl = aparms.idx;
1185                 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1186                                               parms->tbl_idx,
1187                                               parms->fid,
1188                                               &fid_parms);
1189                 if (rc) {
1190                         BNXT_TF_DBG(ERR,
1191                                     "Failed to link resource to flow rc = %d\n",
1192                                     rc);
1193                         /* Need to free the identifier, so goto error */
1194                         goto error;
1195                 }
1196         } else {
1197                 /*
1198                  * Reset the tcam table opcode to normal in case the next tcam
1199                  * entry does not use cache.
1200                  */
1201                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1202                 parms->cache_ptr = NULL;
1203         }
1204
1205         return 0;
1206 error:
1207         parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1208         free_parms.dir                  = tbl->direction;
1209         free_parms.tcam_tbl_type        = tbl->resource_type;
1210         free_parms.idx                  = aparms.idx;
1211         trc = tf_free_tcam_entry(tfp, &free_parms);
1212         if (trc)
1213                 BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n",
1214                             tbl->resource_type, tbl->direction, aparms.idx);
1215
1216         return rc;
1217 }
1218
1219 static int32_t
1220 ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1221                           struct bnxt_ulp_mapper_tbl_info *tbl)
1222 {
1223         struct bnxt_ulp_mapper_class_key_field_info     *kflds;
1224         struct bnxt_ulp_mapper_result_field_info *dflds;
1225         struct ulp_blob key, data;
1226         uint32_t i, num_kflds, num_dflds;
1227         uint16_t tmplen;
1228         struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1229         struct ulp_flow_db_res_params   fid_parms = { 0 };
1230         struct tf_insert_em_entry_parms iparms = { 0 };
1231         struct tf_delete_em_entry_parms free_parms = { 0 };
1232         int32_t trc;
1233         int32_t rc = 0;
1234
1235         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1236         if (!kflds || !num_kflds) {
1237                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1238                 return -EINVAL;
1239         }
1240
1241         /* Initialize the key/result blobs */
1242         if (!ulp_blob_init(&key, tbl->blob_key_bit_size, parms->order) ||
1243             !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1244                 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1245                 return -EINVAL;
1246         }
1247
1248         /* create the key */
1249         for (i = 0; i < num_kflds; i++) {
1250                 /* Setup the key */
1251                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1252                                                       &kflds[i],
1253                                                       &key, 1, "EM Key");
1254                 if (rc) {
1255                         BNXT_TF_DBG(ERR, "Key field set failed.\n");
1256                         return rc;
1257                 }
1258         }
1259
1260         /*
1261          * TBD: Normally should process identifiers in case of using recycle or
1262          * loopback.  Not supporting recycle for now.
1263          */
1264
1265         /* Create the result data blob */
1266         dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1267         if (!dflds || !num_dflds) {
1268                 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1269                 return -EINVAL;
1270         }
1271
1272         for (i = 0; i < num_dflds; i++) {
1273                 struct bnxt_ulp_mapper_result_field_info *fld;
1274
1275                 fld = &dflds[i];
1276
1277                 rc = ulp_mapper_result_field_process(parms,
1278                                                      tbl->direction,
1279                                                      fld,
1280                                                      &data,
1281                                                      "EM Result");
1282                 if (rc) {
1283                         BNXT_TF_DBG(ERR, "Failed to set data fields.\n");
1284                         return rc;
1285                 }
1286         }
1287 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
1288         ulp_mapper_result_dump("EEM Result", tbl, &data);
1289 #endif
1290
1291         /* do the transpose for the internal EM keys */
1292         if (tbl->resource_type == TF_MEM_INTERNAL)
1293                 ulp_blob_perform_byte_reverse(&key);
1294
1295         rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
1296                                              &iparms.tbl_scope_id);
1297         if (rc) {
1298                 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1299                 return rc;
1300         }
1301
1302         /*
1303          * NOTE: the actual blob size will differ from the size in the tbl
1304          * entry due to the padding.
1305          */
1306         iparms.dup_check                = 0;
1307         iparms.dir                      = tbl->direction;
1308         iparms.mem                      = tbl->resource_type;
1309         iparms.key                      = ulp_blob_data_get(&key, &tmplen);
1310         iparms.key_sz_in_bits           = tbl->key_bit_size;
1311         iparms.em_record                = ulp_blob_data_get(&data, &tmplen);
1312         iparms.em_record_sz_in_bits     = tbl->result_bit_size;
1313
1314         rc = tf_insert_em_entry(tfp, &iparms);
1315         if (rc) {
1316                 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
1317                 return rc;
1318         }
1319
1320         /* Mark action process */
1321         if (parms->device_params->global_fid_enable &&
1322             tbl->resource_type == TF_MEM_EXTERNAL)
1323                 rc = ulp_mapper_mark_gfid_process(parms, tbl, iparms.flow_id);
1324         else if (!parms->device_params->global_fid_enable &&
1325                  tbl->resource_type == TF_MEM_INTERNAL)
1326                 rc = ulp_mapper_mark_act_ptr_process(parms, tbl);
1327         if (rc) {
1328                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1329                 goto error;
1330         }
1331
1332         /* Link the EM resource to the flow in the flow db */
1333         memset(&fid_parms, 0, sizeof(fid_parms));
1334         fid_parms.direction             = tbl->direction;
1335         fid_parms.resource_func         = tbl->resource_func;
1336         fid_parms.resource_type         = tbl->resource_type;
1337         fid_parms.critical_resource     = tbl->critical_resource;
1338         fid_parms.resource_hndl         = iparms.flow_handle;
1339
1340         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1341                                       parms->tbl_idx,
1342                                       parms->fid,
1343                                       &fid_parms);
1344         if (rc) {
1345                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1346                             rc);
1347                 /* Need to free the identifier, so goto error */
1348                 goto error;
1349         }
1350
1351         return 0;
1352 error:
1353         free_parms.dir          = iparms.dir;
1354         free_parms.mem          = iparms.mem;
1355         free_parms.tbl_scope_id = iparms.tbl_scope_id;
1356         free_parms.flow_handle  = iparms.flow_handle;
1357
1358         trc = tf_delete_em_entry(tfp, &free_parms);
1359         if (trc)
1360                 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
1361
1362         return rc;
1363 }
1364
1365 static int32_t
1366 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1367                              struct bnxt_ulp_mapper_tbl_info *tbl,
1368                              bool is_class_tbl)
1369 {
1370         struct bnxt_ulp_mapper_result_field_info *flds;
1371         struct ulp_flow_db_res_params   fid_parms;
1372         struct ulp_blob data;
1373         uint64_t idx;
1374         uint16_t tmplen;
1375         uint32_t i, num_flds;
1376         int32_t rc = 0, trc = 0;
1377         struct tf_alloc_tbl_entry_parms aparms = { 0 };
1378         struct tf_set_tbl_entry_parms   sparms = { 0 };
1379         struct tf_free_tbl_entry_parms  free_parms = { 0 };
1380         uint32_t tbl_scope_id;
1381         struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1382         uint16_t bit_size;
1383         uint32_t encap_flds = 0;
1384
1385         /* Get the scope id first */
1386         rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
1387         if (rc) {
1388                 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1389                 return rc;
1390         }
1391
1392         /* use the max size if encap is enabled */
1393         if (tbl->encap_num_fields)
1394                 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS;
1395         else
1396                 bit_size = tbl->result_bit_size;
1397
1398         /* Initialize the blob data */
1399         if (!ulp_blob_init(&data, bit_size,
1400                            parms->device_params->byte_order)) {
1401                 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
1402                 return -EINVAL;
1403         }
1404
1405         /* Get the result fields list */
1406         if (is_class_tbl)
1407                 flds = ulp_mapper_result_fields_get(tbl, &num_flds);
1408         else
1409                 flds = ulp_mapper_act_result_fields_get(tbl, &num_flds,
1410                                                         &encap_flds);
1411
1412         if (!flds || !num_flds) {
1413                 BNXT_TF_DBG(ERR, "template undefined for the index table\n");
1414                 return -EINVAL;
1415         }
1416
1417         /* process the result fields, loop through them */
1418         for (i = 0; i < (num_flds + encap_flds); i++) {
1419                 /* set the swap index if encap swap bit is enabled */
1420                 if (parms->device_params->encap_byte_swap && encap_flds &&
1421                     ((i + 1) == num_flds))
1422                         ulp_blob_encap_swap_idx_set(&data);
1423
1424                 /* Process the result fields */
1425                 rc = ulp_mapper_result_field_process(parms,
1426                                                      tbl->direction,
1427                                                      &flds[i],
1428                                                      &data,
1429                                                      "Indexed Result");
1430                 if (rc) {
1431                         BNXT_TF_DBG(ERR, "data field failed\n");
1432                         return rc;
1433                 }
1434
1435                 /* if encap bit swap is enabled perform the bit swap */
1436                 if (parms->device_params->encap_byte_swap && encap_flds) {
1437                         if ((i + 1) == (num_flds + encap_flds))
1438                                 ulp_blob_perform_encap_swap(&data);
1439 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
1440                         if ((i + 1) == (num_flds + encap_flds)) {
1441                                 BNXT_TF_DBG(INFO, "Dump fter encap swap\n");
1442                                 ulp_mapper_blob_dump(&data);
1443                         }
1444 #endif
1445                 }
1446         }
1447
1448         /* Perform the tf table allocation by filling the alloc params */
1449         aparms.dir              = tbl->direction;
1450         aparms.type             = tbl->resource_type;
1451         aparms.search_enable    = tbl->srch_b4_alloc;
1452         aparms.result           = ulp_blob_data_get(&data, &tmplen);
1453         aparms.result_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1454         aparms.tbl_scope_id     = tbl_scope_id;
1455
1456         /* All failures after the alloc succeeds require a free */
1457         rc = tf_alloc_tbl_entry(tfp, &aparms);
1458         if (rc) {
1459                 BNXT_TF_DBG(ERR, "Alloc table[%d][%s] failed rc=%d\n",
1460                             aparms.type,
1461                             (aparms.dir == TF_DIR_RX) ? "RX" : "TX",
1462                             rc);
1463                 return rc;
1464         }
1465
1466         /*
1467          * calculate the idx for the result record, for external EM the offset
1468          * needs to be shifted accordingly. If external non-inline table types
1469          * are used then need to revisit this logic.
1470          */
1471         if (aparms.type == TF_TBL_TYPE_EXT)
1472                 idx = TF_ACT_REC_OFFSET_2_PTR(aparms.idx);
1473         else
1474                 idx = aparms.idx;
1475
1476         /* Always storing values in Regfile in BE */
1477         idx = tfp_cpu_to_be_64(idx);
1478         rc = ulp_regfile_write(parms->regfile, tbl->regfile_idx, idx);
1479         if (!rc) {
1480                 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
1481                             tbl->regfile_idx);
1482                 goto error;
1483         }
1484
1485         /* Perform the tf table set by filling the set params */
1486         if (!tbl->srch_b4_alloc || !aparms.hit) {
1487                 sparms.dir              = tbl->direction;
1488                 sparms.type             = tbl->resource_type;
1489                 sparms.data             = ulp_blob_data_get(&data, &tmplen);
1490                 sparms.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1491                 sparms.idx              = aparms.idx;
1492                 sparms.tbl_scope_id     = tbl_scope_id;
1493
1494                 rc = tf_set_tbl_entry(tfp, &sparms);
1495                 if (rc) {
1496                         BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
1497                                     sparms.type,
1498                                     (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1499                                     sparms.idx,
1500                                     rc);
1501                         goto error;
1502                 }
1503         }
1504
1505         /* Link the resource to the flow in the flow db */
1506         memset(&fid_parms, 0, sizeof(fid_parms));
1507         fid_parms.direction     = tbl->direction;
1508         fid_parms.resource_func = tbl->resource_func;
1509         fid_parms.resource_type = tbl->resource_type;
1510         fid_parms.resource_hndl = aparms.idx;
1511         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1512
1513         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1514                                       parms->tbl_idx,
1515                                       parms->fid,
1516                                       &fid_parms);
1517         if (rc) {
1518                 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
1519                             rc);
1520                 goto error;
1521         }
1522
1523         return rc;
1524 error:
1525         /*
1526          * Free the allocated resource since we failed to either
1527          * write to the entry or link the flow
1528          */
1529         free_parms.dir  = tbl->direction;
1530         free_parms.type = tbl->resource_type;
1531         free_parms.idx  = aparms.idx;
1532         free_parms.tbl_scope_id = tbl_scope_id;
1533
1534         trc = tf_free_tbl_entry(tfp, &free_parms);
1535         if (trc)
1536                 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
1537
1538         return rc;
1539 }
1540
1541 static int32_t
1542 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1543                              struct bnxt_ulp_mapper_tbl_info *tbl)
1544 {
1545         struct bnxt_ulp_mapper_class_key_field_info *kflds;
1546         struct bnxt_ulp_mapper_cache_entry *cache_entry;
1547         struct bnxt_ulp_mapper_ident_info *idents;
1548         uint32_t i, num_kflds = 0, num_idents = 0;
1549         struct ulp_flow_db_res_params fid_parms;
1550         struct tf_free_identifier_parms fparms;
1551         uint16_t tmplen, tmp_ident;
1552         struct ulp_blob key;
1553         uint8_t *cache_key;
1554         uint64_t regval;
1555         uint16_t *ckey;
1556         int32_t rc;
1557
1558         /* Get the key fields list and build the key. */
1559         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1560         if (!kflds || !num_kflds) {
1561                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1562                 return -EINVAL;
1563         }
1564         if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order)) {
1565                 BNXT_TF_DBG(ERR, "Failed to alloc blob\n");
1566                 return -EINVAL;
1567         }
1568         for (i = 0; i < num_kflds; i++) {
1569                 /* Setup the key */
1570                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1571                                                       &kflds[i],
1572                                                       &key, 1, "Cache Key");
1573                 if (rc) {
1574                         BNXT_TF_DBG(ERR,
1575                                     "Failed to create key for Cache rc=%d\n",
1576                                     rc);
1577                         return -EINVAL;
1578                 }
1579         }
1580
1581         /*
1582          * Perform the lookup in the cache table with constructed key.  The
1583          * cache_key is a byte array of tmplen, it needs to be converted to a
1584          * index for the cache table.
1585          */
1586         cache_key = ulp_blob_data_get(&key, &tmplen);
1587         ckey = (uint16_t *)cache_key;
1588
1589         /*
1590          * The id computed based on resource sub type and direction where
1591          * dir is the bit0 and rest of the bits come from resource
1592          * sub type.
1593          */
1594         cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx,
1595                                                  (tbl->resource_sub_type << 1 |
1596                                                  (tbl->direction & 0x1)),
1597                                                  *ckey);
1598
1599         /*
1600          * Get the identifier list for processing by both the hit and miss
1601          * processing.
1602          */
1603         idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1604
1605         if (!cache_entry->ref_count) {
1606                 /* Initialize the cache entry */
1607                 cache_entry->tcam_idx = 0;
1608                 cache_entry->ref_count = 0;
1609                 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++)
1610                         cache_entry->idents[i] = ULP_IDENTS_INVALID;
1611
1612                 /* Need to allocate identifiers for storing in the cache. */
1613                 for (i = 0; i < num_idents; i++) {
1614                         /*
1615                          * Since we are using the cache, the identifier does not
1616                          * get added to the flow db.  Pass in the pointer to the
1617                          * tmp_ident.
1618                          */
1619                         rc = ulp_mapper_ident_process(parms, tbl,
1620                                                       &idents[i], &tmp_ident);
1621                         if (rc)
1622                                 goto error;
1623
1624                         cache_entry->ident_types[i] = idents[i].ident_type;
1625                         cache_entry->idents[i] = tmp_ident;
1626                 }
1627
1628                 /* Tell the TCAM processor to alloc an entry */
1629                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC;
1630                 /* Store the cache key for use by the tcam process code */
1631                 parms->cache_ptr = cache_entry;
1632         } else {
1633                 /* Cache hit, get values from result. */
1634                 for (i = 0; i < num_idents; i++) {
1635                         regval = (uint64_t)cache_entry->idents[i];
1636                         if (!ulp_regfile_write(parms->regfile,
1637                                                idents[i].regfile_idx,
1638                                                tfp_cpu_to_be_64(regval))) {
1639                                 BNXT_TF_DBG(ERR,
1640                                             "Failed to write to regfile\n");
1641                                 return -EINVAL;
1642                         }
1643                 }
1644                 /*
1645                  * The cached entry is being used, so let the tcam processing
1646                  * know not to process this table.
1647                  */
1648                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP;
1649         }
1650
1651         /* Made through the cache processing, increment the reference count. */
1652         cache_entry->ref_count++;
1653
1654         /* Link the cache to the flow db. */
1655         memset(&fid_parms, 0, sizeof(fid_parms));
1656         fid_parms.direction = tbl->direction;
1657         fid_parms.resource_func = tbl->resource_func;
1658
1659         /*
1660          * Cache resource type is composed of table_type, resource
1661          * sub type and direction, it needs to set appropriately via setter.
1662          */
1663         ulp_mapper_cache_res_type_set(&fid_parms,
1664                                       tbl->resource_type,
1665                                       (tbl->resource_sub_type << 1 |
1666                                        (tbl->direction & 0x1)));
1667         fid_parms.resource_hndl = (uint64_t)*ckey;
1668         fid_parms.critical_resource = tbl->critical_resource;
1669         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1670                                       parms->tbl_idx,
1671                                       parms->fid,
1672                                       &fid_parms);
1673         if (rc)
1674                 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n");
1675
1676         return rc;
1677 error:
1678         /*
1679          * This error handling only gets called when the idents are being
1680          * allocated for the cache on misses.  Using the num_idents that was
1681          * previously set.
1682          */
1683         for (i = 0; i < num_idents; i++) {
1684                 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
1685                         continue;
1686
1687                 fparms.dir = tbl->direction;
1688                 fparms.ident_type = idents[i].ident_type;
1689                 fparms.id = cache_entry->idents[i];
1690                 tf_free_identifier(parms->tfp, &fparms);
1691         }
1692
1693         return rc;
1694 }
1695
1696 static int32_t
1697 ulp_mapper_glb_resource_info_init(struct tf *tfp,
1698                                   struct bnxt_ulp_mapper_data *mapper_data)
1699 {
1700         struct bnxt_ulp_glb_resource_info *glb_res;
1701         uint32_t num_glb_res_ids, idx;
1702         int32_t rc = 0;
1703
1704         glb_res = ulp_mapper_glb_resource_info_list_get(&num_glb_res_ids);
1705         if (!glb_res || !num_glb_res_ids) {
1706                 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
1707                 return -EINVAL;
1708         }
1709
1710         /* Iterate the global resources and process each one */
1711         for (idx = 0; idx < num_glb_res_ids; idx++) {
1712                 switch (glb_res[idx].resource_func) {
1713                 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1714                         rc = ulp_mapper_resource_ident_allocate(tfp,
1715                                                                 mapper_data,
1716                                                                 &glb_res[idx]);
1717                         break;
1718                 default:
1719                         BNXT_TF_DBG(ERR, "Global resource %x not supported\n",
1720                                     glb_res[idx].resource_func);
1721                         break;
1722                 }
1723         }
1724         return rc;
1725 }
1726
1727 /*
1728  * Function to process the action template. Iterate through the list
1729  * action info templates and process it.
1730  */
1731 static int32_t
1732 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1733 {
1734         uint32_t        i;
1735         int32_t         rc = 0;
1736         struct bnxt_ulp_mapper_tbl_info *tbl;
1737
1738         if (!parms->atbls || !parms->num_atbls) {
1739                 BNXT_TF_DBG(ERR, "No action tables for template[%d][%d].\n",
1740                             parms->dev_id, parms->act_tid);
1741                 return -EINVAL;
1742         }
1743
1744         for (i = 0; i < parms->num_atbls; i++) {
1745                 tbl = &parms->atbls[i];
1746                 switch (tbl->resource_func) {
1747                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1748                         rc = ulp_mapper_index_tbl_process(parms, tbl, false);
1749                         break;
1750                 default:
1751                         BNXT_TF_DBG(ERR, "Unexpected action resource %d\n",
1752                                     tbl->resource_func);
1753                         return -EINVAL;
1754                 }
1755         }
1756         if (rc) {
1757                 BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1758                             tbl->resource_func);
1759                 return rc;
1760         }
1761
1762         return rc;
1763 }
1764
1765 /* Create the classifier table entries for a flow. */
1766 static int32_t
1767 ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1768 {
1769         uint32_t        i;
1770         int32_t         rc = 0;
1771
1772         if (!parms)
1773                 return -EINVAL;
1774
1775         if (!parms->ctbls || !parms->num_ctbls) {
1776                 BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n",
1777                             parms->dev_id, parms->class_tid);
1778                 return -EINVAL;
1779         }
1780
1781         for (i = 0; i < parms->num_ctbls; i++) {
1782                 struct bnxt_ulp_mapper_tbl_info *tbl = &parms->ctbls[i];
1783
1784                 switch (tbl->resource_func) {
1785                 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1786                         rc = ulp_mapper_tcam_tbl_process(parms, tbl);
1787                         break;
1788                 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1789                         rc = ulp_mapper_em_tbl_process(parms, tbl);
1790                         break;
1791                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1792                         rc = ulp_mapper_index_tbl_process(parms, tbl, true);
1793                         break;
1794                 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1795                         rc = ulp_mapper_cache_tbl_process(parms, tbl);
1796                         break;
1797                 default:
1798                         BNXT_TF_DBG(ERR, "Unexpected class resource %d\n",
1799                                     tbl->resource_func);
1800                         return -EINVAL;
1801                 }
1802
1803                 if (rc) {
1804                         BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1805                                     tbl->resource_func);
1806                         return rc;
1807                 }
1808         }
1809
1810         return rc;
1811 }
1812
1813 static int32_t
1814 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
1815                          struct ulp_flow_db_res_params *res)
1816 {
1817         struct tf *tfp;
1818         int32_t rc = 0;
1819
1820         if (!res || !ulp) {
1821                 BNXT_TF_DBG(ERR, "Unable to free resource\n ");
1822                 return -EINVAL;
1823         }
1824
1825         tfp = bnxt_ulp_cntxt_tfp_get(ulp);
1826         if (!tfp) {
1827                 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n");
1828                 return -EINVAL;
1829         }
1830
1831         switch (res->resource_func) {
1832         case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1833                 rc = ulp_mapper_cache_entry_free(ulp, tfp, res);
1834                 break;
1835         case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1836                 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
1837                 break;
1838         case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1839                 rc = ulp_mapper_eem_entry_free(ulp, tfp, res);
1840                 break;
1841         case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1842                 rc = ulp_mapper_index_entry_free(ulp, tfp, res);
1843                 break;
1844         case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1845                 rc = ulp_mapper_ident_free(ulp, tfp, res);
1846                 break;
1847         case BNXT_ULP_RESOURCE_FUNC_HW_FID:
1848                 rc = ulp_mapper_mark_free(ulp, res);
1849                 break;
1850         default:
1851                 break;
1852         }
1853
1854         return rc;
1855 }
1856
1857 int32_t
1858 ulp_mapper_resources_free(struct bnxt_ulp_context       *ulp_ctx,
1859                           uint32_t fid,
1860                           enum bnxt_ulp_flow_db_tables  tbl_type)
1861 {
1862         struct ulp_flow_db_res_params   res_parms = { 0 };
1863         int32_t                         rc, trc;
1864
1865         if (!ulp_ctx) {
1866                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1867                 return -EINVAL;
1868         }
1869
1870         /*
1871          * Set the critical resource on the first resource del, then iterate
1872          * while status is good
1873          */
1874         res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_YES;
1875         rc = ulp_flow_db_resource_del(ulp_ctx, tbl_type, fid, &res_parms);
1876
1877         if (rc) {
1878                 /*
1879                  * This is unexpected on the first call to resource del.
1880                  * It likely means that the flow did not exist in the flow db.
1881                  */
1882                 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n",
1883                             tbl_type, fid, rc);
1884                 return rc;
1885         }
1886
1887         while (!rc) {
1888                 trc = ulp_mapper_resource_free(ulp_ctx, &res_parms);
1889                 if (trc)
1890                         /*
1891                          * On fail, we still need to attempt to free the
1892                          * remaining resources.  Don't return
1893                          */
1894                         BNXT_TF_DBG(ERR,
1895                                     "Flow[%d][0x%x] Res[%d][0x%016" PRIx64
1896                                     "] failed rc=%d.\n",
1897                                     tbl_type, fid, res_parms.resource_func,
1898                                     res_parms.resource_hndl, trc);
1899
1900                 /* All subsequent call require the non-critical_resource */
1901                 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1902
1903                 rc = ulp_flow_db_resource_del(ulp_ctx,
1904                                               tbl_type,
1905                                               fid,
1906                                               &res_parms);
1907         }
1908
1909         /* Free the Flow ID since we've removed all resources */
1910         rc = ulp_flow_db_fid_free(ulp_ctx, tbl_type, fid);
1911
1912         return rc;
1913 }
1914
1915 static void
1916 ulp_mapper_glb_resource_info_deinit(struct bnxt_ulp_context *ulp_ctx,
1917                                     struct bnxt_ulp_mapper_data *mapper_data)
1918 {
1919         struct bnxt_ulp_mapper_glb_resource_entry *ent;
1920         struct ulp_flow_db_res_params res;
1921         uint32_t dir, idx;
1922
1923         /* Iterate the global resources and process each one */
1924         for (dir = TF_DIR_RX; dir < TF_DIR_MAX; dir++) {
1925                 for (idx = 0; idx < BNXT_ULP_GLB_RESOURCE_INFO_TBL_MAX_SZ;
1926                       idx++) {
1927                         ent = &mapper_data->glb_res_tbl[dir][idx];
1928                         if (ent->resource_func ==
1929                             BNXT_ULP_RESOURCE_FUNC_INVALID)
1930                                 continue;
1931                         memset(&res, 0, sizeof(struct ulp_flow_db_res_params));
1932                         res.resource_func = ent->resource_func;
1933                         res.direction = dir;
1934                         res.resource_type = ent->resource_type;
1935                         res.resource_hndl = ent->resource_hndl;
1936                         ulp_mapper_resource_free(ulp_ctx, &res);
1937                 }
1938         }
1939 }
1940
1941 int32_t
1942 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid)
1943 {
1944         if (!ulp_ctx) {
1945                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1946                 return -EINVAL;
1947         }
1948
1949         return ulp_mapper_resources_free(ulp_ctx,
1950                                          fid,
1951                                          BNXT_ULP_REGULAR_FLOW_TABLE);
1952 }
1953
1954 /* Function to handle the mapping of the Flow to be compatible
1955  * with the underlying hardware.
1956  */
1957 int32_t
1958 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
1959                        struct bnxt_ulp_mapper_create_parms *cparms,
1960                        uint32_t *flowid)
1961 {
1962         struct bnxt_ulp_device_params *device_params;
1963         struct bnxt_ulp_mapper_parms parms;
1964         struct ulp_regfile regfile;
1965         int32_t  rc, trc;
1966
1967         if (!ulp_ctx || !cparms)
1968                 return -EINVAL;
1969
1970         /* Initialize the parms structure */
1971         memset(&parms, 0, sizeof(parms));
1972         parms.act_prop = cparms->act_prop;
1973         parms.act_bitmap = cparms->act;
1974         parms.regfile = &regfile;
1975         parms.hdr_field = cparms->hdr_field;
1976         parms.comp_fld = cparms->comp_fld;
1977         parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
1978         parms.ulp_ctx = ulp_ctx;
1979         parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1980
1981         /* Get the device id from the ulp context */
1982         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) {
1983                 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
1984                 return -EINVAL;
1985         }
1986
1987         /*
1988          * Get the mapper data for dynamic mapper data such as default
1989          * ids.
1990          */
1991         parms.mapper_data = (struct bnxt_ulp_mapper_data *)
1992                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
1993         if (!parms.mapper_data) {
1994                 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
1995                 return -EINVAL;
1996         }
1997
1998         /* Get the action table entry from device id and act context id */
1999         parms.act_tid = cparms->act_tid;
2000         parms.atbls = ulp_mapper_action_tbl_list_get(parms.dev_id,
2001                                                      parms.act_tid,
2002                                                      &parms.num_atbls);
2003         if (!parms.atbls || !parms.num_atbls) {
2004                 BNXT_TF_DBG(ERR, "No action tables for %d:%d\n",
2005                             parms.dev_id, parms.act_tid);
2006                 return -EINVAL;
2007         }
2008
2009         /* Get the class table entry from device id and act context id */
2010         parms.class_tid = cparms->class_tid;
2011         parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id,
2012                                                     parms.class_tid,
2013                                                     &parms.num_ctbls);
2014         if (!parms.ctbls || !parms.num_ctbls) {
2015                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2016                             parms.dev_id, parms.class_tid);
2017                 return -EINVAL;
2018         }
2019
2020         /* Get the byte order for the further processing from device params */
2021         device_params = bnxt_ulp_device_params_get(parms.dev_id);
2022         if (!device_params) {
2023                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2024                             parms.dev_id, parms.class_tid);
2025                 return -EINVAL;
2026         }
2027         parms.order = device_params->byte_order;
2028         parms.encap_byte_swap = device_params->encap_byte_swap;
2029
2030         /* initialize the registry file for further processing */
2031         if (!ulp_regfile_init(parms.regfile)) {
2032                 BNXT_TF_DBG(ERR, "regfile initialization failed.\n");
2033                 return -EINVAL;
2034         }
2035
2036         rc = ulp_regfile_write(parms.regfile,
2037                                BNXT_ULP_REGFILE_INDEX_CLASS_TID,
2038                                tfp_cpu_to_be_64((uint64_t)parms.class_tid));
2039         if (!rc) {
2040                 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n");
2041                 return -EINVAL;
2042         }
2043
2044         /* Allocate a Flow ID for attaching all resources for the flow to.
2045          * Once allocated, all errors have to walk the list of resources and
2046          * free each of them.
2047          */
2048         rc = ulp_flow_db_fid_alloc(ulp_ctx,
2049                                    BNXT_ULP_REGULAR_FLOW_TABLE,
2050                                    cparms->func_id,
2051                                    &parms.fid);
2052         if (rc) {
2053                 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n");
2054                 return rc;
2055         }
2056
2057         /* Process the action template list from the selected action table*/
2058         rc = ulp_mapper_action_tbls_process(&parms);
2059         if (rc) {
2060                 BNXT_TF_DBG(ERR, "action tables failed creation for %d:%d\n",
2061                             parms.dev_id, parms.act_tid);
2062                 goto flow_error;
2063         }
2064
2065         /* All good. Now process the class template */
2066         rc = ulp_mapper_class_tbls_process(&parms);
2067         if (rc) {
2068                 BNXT_TF_DBG(ERR, "class tables failed creation for %d:%d\n",
2069                             parms.dev_id, parms.class_tid);
2070                 goto flow_error;
2071         }
2072
2073         *flowid = parms.fid;
2074
2075         return rc;
2076
2077 flow_error:
2078         /* Free all resources that were allocated during flow creation */
2079         trc = ulp_mapper_flow_destroy(ulp_ctx, parms.fid);
2080         if (trc)
2081                 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc);
2082
2083         return rc;
2084 }
2085
2086 int32_t
2087 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx)
2088 {
2089         struct bnxt_ulp_cache_tbl_params *tbl;
2090         struct bnxt_ulp_mapper_data *data;
2091         uint32_t i;
2092         struct tf *tfp;
2093         int32_t rc, csize;
2094
2095         if (!ulp_ctx)
2096                 return -EINVAL;
2097
2098         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2099         if (!tfp)
2100                 return -EINVAL;
2101
2102         data = rte_zmalloc("ulp_mapper_data",
2103                            sizeof(struct bnxt_ulp_mapper_data), 0);
2104         if (!data) {
2105                 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n");
2106                 return -ENOMEM;
2107         }
2108
2109         if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) {
2110                 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n");
2111                 /* Don't call deinit since the prof_func wasn't allocated. */
2112                 rte_free(data);
2113                 return -ENOMEM;
2114         }
2115
2116         /* Allocate the global resource ids */
2117         rc = ulp_mapper_glb_resource_info_init(tfp, data);
2118         if (rc) {
2119                 BNXT_TF_DBG(ERR, "Failed to initialize global resource ids\n");
2120                 goto error;
2121         }
2122
2123         /* Allocate the ulp cache tables. */
2124         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2125                 tbl = ulp_mapper_cache_tbl_params_get(i);
2126                 if (!tbl) {
2127                         BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)",
2128                                     i);
2129                         goto error;
2130                 }
2131                 if (tbl->num_entries != 0) {
2132                         csize = sizeof(struct bnxt_ulp_mapper_cache_entry) *
2133                                 tbl->num_entries;
2134                         data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl",
2135                                                          csize, 0);
2136                         if (!data->cache_tbl[i]) {
2137                                 BNXT_TF_DBG(ERR, "Failed to allocate Cache "
2138                                             "table %d.\n", i);
2139                                 rc = -ENOMEM;
2140                                 goto error;
2141                         }
2142                 }
2143         }
2144
2145         return 0;
2146 error:
2147         /* Ignore the return code in favor of returning the original error. */
2148         ulp_mapper_deinit(ulp_ctx);
2149         return rc;
2150 }
2151
2152 void
2153 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx)
2154 {
2155         struct bnxt_ulp_mapper_data *data;
2156         uint32_t i;
2157         struct tf *tfp;
2158
2159         if (!ulp_ctx) {
2160                 BNXT_TF_DBG(ERR,
2161                             "Failed to acquire ulp context, so data may "
2162                             "not be released.\n");
2163                 return;
2164         }
2165
2166         data = (struct bnxt_ulp_mapper_data *)
2167                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2168         if (!data) {
2169                 /* Go ahead and return since there is no allocated data. */
2170                 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n");
2171                 return;
2172         }
2173
2174         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2175         if (!tfp) {
2176                 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n");
2177                 /* Free the mapper data regardless of errors. */
2178                 goto free_mapper_data;
2179         }
2180
2181         /* Free the global resource info table entries */
2182         ulp_mapper_glb_resource_info_deinit(ulp_ctx, data);
2183
2184 free_mapper_data:
2185         /* Free the ulp cache tables */
2186         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2187                 rte_free(data->cache_tbl[i]);
2188                 data->cache_tbl[i] = NULL;
2189         }
2190
2191         rte_free(data);
2192         /* Reset the data pointer within the ulp_ctx. */
2193         bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL);
2194 }