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)) {
 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
1288         rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
1289                                              &iparms.tbl_scope_id);
1290         if (rc) {
1291                 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1292                 return rc;
1293         }
1294
1295         /*
1296          * NOTE: the actual blob size will differ from the size in the tbl
1297          * entry due to the padding.
1298          */
1299         iparms.dup_check                = 0;
1300         iparms.dir                      = tbl->direction;
1301         iparms.mem                      = tbl->resource_type;
1302         iparms.key                      = ulp_blob_data_get(&key, &tmplen);
1303         iparms.key_sz_in_bits           = tbl->key_bit_size;
1304         iparms.em_record                = ulp_blob_data_get(&data, &tmplen);
1305         iparms.em_record_sz_in_bits     = tbl->result_bit_size;
1306
1307         rc = tf_insert_em_entry(tfp, &iparms);
1308         if (rc) {
1309                 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
1310                 return rc;
1311         }
1312
1313         /* Mark action process */
1314         if (parms->device_params->global_fid_enable &&
1315             tbl->resource_type == TF_MEM_EXTERNAL)
1316                 rc = ulp_mapper_mark_gfid_process(parms, tbl, iparms.flow_id);
1317         else if (!parms->device_params->global_fid_enable &&
1318                  tbl->resource_type == TF_MEM_INTERNAL)
1319                 rc = ulp_mapper_mark_act_ptr_process(parms, tbl);
1320         if (rc) {
1321                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1322                 goto error;
1323         }
1324
1325         /* Link the EM resource to the flow in the flow db */
1326         memset(&fid_parms, 0, sizeof(fid_parms));
1327         fid_parms.direction             = tbl->direction;
1328         fid_parms.resource_func         = tbl->resource_func;
1329         fid_parms.resource_type         = tbl->resource_type;
1330         fid_parms.critical_resource     = tbl->critical_resource;
1331         fid_parms.resource_hndl         = iparms.flow_handle;
1332
1333         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1334                                       parms->tbl_idx,
1335                                       parms->fid,
1336                                       &fid_parms);
1337         if (rc) {
1338                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1339                             rc);
1340                 /* Need to free the identifier, so goto error */
1341                 goto error;
1342         }
1343
1344         return 0;
1345 error:
1346         free_parms.dir          = iparms.dir;
1347         free_parms.mem          = iparms.mem;
1348         free_parms.tbl_scope_id = iparms.tbl_scope_id;
1349         free_parms.flow_handle  = iparms.flow_handle;
1350
1351         trc = tf_delete_em_entry(tfp, &free_parms);
1352         if (trc)
1353                 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
1354
1355         return rc;
1356 }
1357
1358 static int32_t
1359 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1360                              struct bnxt_ulp_mapper_tbl_info *tbl,
1361                              bool is_class_tbl)
1362 {
1363         struct bnxt_ulp_mapper_result_field_info *flds;
1364         struct ulp_flow_db_res_params   fid_parms;
1365         struct ulp_blob data;
1366         uint64_t idx;
1367         uint16_t tmplen;
1368         uint32_t i, num_flds;
1369         int32_t rc = 0, trc = 0;
1370         struct tf_alloc_tbl_entry_parms aparms = { 0 };
1371         struct tf_set_tbl_entry_parms   sparms = { 0 };
1372         struct tf_free_tbl_entry_parms  free_parms = { 0 };
1373         uint32_t tbl_scope_id;
1374         struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1375         uint16_t bit_size;
1376         uint32_t encap_flds = 0;
1377
1378         /* Get the scope id first */
1379         rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
1380         if (rc) {
1381                 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1382                 return rc;
1383         }
1384
1385         /* use the max size if encap is enabled */
1386         if (tbl->encap_num_fields)
1387                 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS;
1388         else
1389                 bit_size = tbl->result_bit_size;
1390
1391         /* Initialize the blob data */
1392         if (!ulp_blob_init(&data, bit_size,
1393                            parms->device_params->byte_order)) {
1394                 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
1395                 return -EINVAL;
1396         }
1397
1398         /* Get the result fields list */
1399         if (is_class_tbl)
1400                 flds = ulp_mapper_result_fields_get(tbl, &num_flds);
1401         else
1402                 flds = ulp_mapper_act_result_fields_get(tbl, &num_flds,
1403                                                         &encap_flds);
1404
1405         if (!flds || !num_flds) {
1406                 BNXT_TF_DBG(ERR, "template undefined for the index table\n");
1407                 return -EINVAL;
1408         }
1409
1410         /* process the result fields, loop through them */
1411         for (i = 0; i < (num_flds + encap_flds); i++) {
1412                 /* set the swap index if encap swap bit is enabled */
1413                 if (parms->device_params->encap_byte_swap && encap_flds &&
1414                     ((i + 1) == num_flds))
1415                         ulp_blob_encap_swap_idx_set(&data);
1416
1417                 /* Process the result fields */
1418                 rc = ulp_mapper_result_field_process(parms,
1419                                                      tbl->direction,
1420                                                      &flds[i],
1421                                                      &data,
1422                                                      "Indexed Result");
1423                 if (rc) {
1424                         BNXT_TF_DBG(ERR, "data field failed\n");
1425                         return rc;
1426                 }
1427
1428                 /* if encap bit swap is enabled perform the bit swap */
1429                 if (parms->device_params->encap_byte_swap && encap_flds) {
1430                         if ((i + 1) == (num_flds + encap_flds))
1431                                 ulp_blob_perform_encap_swap(&data);
1432 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
1433                         if ((i + 1) == (num_flds + encap_flds)) {
1434                                 BNXT_TF_DBG(INFO, "Dump fter encap swap\n");
1435                                 ulp_mapper_blob_dump(&data);
1436                         }
1437 #endif
1438                 }
1439         }
1440
1441         /* Perform the tf table allocation by filling the alloc params */
1442         aparms.dir              = tbl->direction;
1443         aparms.type             = tbl->resource_type;
1444         aparms.search_enable    = tbl->srch_b4_alloc;
1445         aparms.result           = ulp_blob_data_get(&data, &tmplen);
1446         aparms.result_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1447         aparms.tbl_scope_id     = tbl_scope_id;
1448
1449         /* All failures after the alloc succeeds require a free */
1450         rc = tf_alloc_tbl_entry(tfp, &aparms);
1451         if (rc) {
1452                 BNXT_TF_DBG(ERR, "Alloc table[%d][%s] failed rc=%d\n",
1453                             aparms.type,
1454                             (aparms.dir == TF_DIR_RX) ? "RX" : "TX",
1455                             rc);
1456                 return rc;
1457         }
1458
1459         /*
1460          * calculate the idx for the result record, for external EM the offset
1461          * needs to be shifted accordingly. If external non-inline table types
1462          * are used then need to revisit this logic.
1463          */
1464         if (aparms.type == TF_TBL_TYPE_EXT)
1465                 idx = TF_ACT_REC_OFFSET_2_PTR(aparms.idx);
1466         else
1467                 idx = aparms.idx;
1468
1469         /* Always storing values in Regfile in BE */
1470         idx = tfp_cpu_to_be_64(idx);
1471         rc = ulp_regfile_write(parms->regfile, tbl->regfile_idx, idx);
1472         if (!rc) {
1473                 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
1474                             tbl->regfile_idx);
1475                 goto error;
1476         }
1477
1478         /* Perform the tf table set by filling the set params */
1479         if (!tbl->srch_b4_alloc || !aparms.hit) {
1480                 sparms.dir              = tbl->direction;
1481                 sparms.type             = tbl->resource_type;
1482                 sparms.data             = ulp_blob_data_get(&data, &tmplen);
1483                 sparms.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1484                 sparms.idx              = aparms.idx;
1485                 sparms.tbl_scope_id     = tbl_scope_id;
1486
1487                 rc = tf_set_tbl_entry(tfp, &sparms);
1488                 if (rc) {
1489                         BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
1490                                     sparms.type,
1491                                     (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1492                                     sparms.idx,
1493                                     rc);
1494                         goto error;
1495                 }
1496         }
1497
1498         /* Link the resource to the flow in the flow db */
1499         memset(&fid_parms, 0, sizeof(fid_parms));
1500         fid_parms.direction     = tbl->direction;
1501         fid_parms.resource_func = tbl->resource_func;
1502         fid_parms.resource_type = tbl->resource_type;
1503         fid_parms.resource_hndl = aparms.idx;
1504         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1505
1506         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1507                                       parms->tbl_idx,
1508                                       parms->fid,
1509                                       &fid_parms);
1510         if (rc) {
1511                 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
1512                             rc);
1513                 goto error;
1514         }
1515
1516         return rc;
1517 error:
1518         /*
1519          * Free the allocated resource since we failed to either
1520          * write to the entry or link the flow
1521          */
1522         free_parms.dir  = tbl->direction;
1523         free_parms.type = tbl->resource_type;
1524         free_parms.idx  = aparms.idx;
1525         free_parms.tbl_scope_id = tbl_scope_id;
1526
1527         trc = tf_free_tbl_entry(tfp, &free_parms);
1528         if (trc)
1529                 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
1530
1531         return rc;
1532 }
1533
1534 static int32_t
1535 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1536                              struct bnxt_ulp_mapper_tbl_info *tbl)
1537 {
1538         struct bnxt_ulp_mapper_class_key_field_info *kflds;
1539         struct bnxt_ulp_mapper_cache_entry *cache_entry;
1540         struct bnxt_ulp_mapper_ident_info *idents;
1541         uint32_t i, num_kflds = 0, num_idents = 0;
1542         struct ulp_flow_db_res_params fid_parms;
1543         struct tf_free_identifier_parms fparms;
1544         uint16_t tmplen, tmp_ident;
1545         struct ulp_blob key;
1546         uint8_t *cache_key;
1547         uint64_t regval;
1548         uint16_t *ckey;
1549         int32_t rc;
1550
1551         /* Get the key fields list and build the key. */
1552         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1553         if (!kflds || !num_kflds) {
1554                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1555                 return -EINVAL;
1556         }
1557         if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order)) {
1558                 BNXT_TF_DBG(ERR, "Failed to alloc blob\n");
1559                 return -EINVAL;
1560         }
1561         for (i = 0; i < num_kflds; i++) {
1562                 /* Setup the key */
1563                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1564                                                       &kflds[i],
1565                                                       &key, 1, "Cache Key");
1566                 if (rc) {
1567                         BNXT_TF_DBG(ERR,
1568                                     "Failed to create key for Cache rc=%d\n",
1569                                     rc);
1570                         return -EINVAL;
1571                 }
1572         }
1573
1574         /*
1575          * Perform the lookup in the cache table with constructed key.  The
1576          * cache_key is a byte array of tmplen, it needs to be converted to a
1577          * index for the cache table.
1578          */
1579         cache_key = ulp_blob_data_get(&key, &tmplen);
1580         ckey = (uint16_t *)cache_key;
1581
1582         /*
1583          * The id computed based on resource sub type and direction where
1584          * dir is the bit0 and rest of the bits come from resource
1585          * sub type.
1586          */
1587         cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx,
1588                                                  (tbl->resource_sub_type << 1 |
1589                                                  (tbl->direction & 0x1)),
1590                                                  *ckey);
1591
1592         /*
1593          * Get the identifier list for processing by both the hit and miss
1594          * processing.
1595          */
1596         idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1597
1598         if (!cache_entry->ref_count) {
1599                 /* Initialize the cache entry */
1600                 cache_entry->tcam_idx = 0;
1601                 cache_entry->ref_count = 0;
1602                 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++)
1603                         cache_entry->idents[i] = ULP_IDENTS_INVALID;
1604
1605                 /* Need to allocate identifiers for storing in the cache. */
1606                 for (i = 0; i < num_idents; i++) {
1607                         /*
1608                          * Since we are using the cache, the identifier does not
1609                          * get added to the flow db.  Pass in the pointer to the
1610                          * tmp_ident.
1611                          */
1612                         rc = ulp_mapper_ident_process(parms, tbl,
1613                                                       &idents[i], &tmp_ident);
1614                         if (rc)
1615                                 goto error;
1616
1617                         cache_entry->ident_types[i] = idents[i].ident_type;
1618                         cache_entry->idents[i] = tmp_ident;
1619                 }
1620
1621                 /* Tell the TCAM processor to alloc an entry */
1622                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC;
1623                 /* Store the cache key for use by the tcam process code */
1624                 parms->cache_ptr = cache_entry;
1625         } else {
1626                 /* Cache hit, get values from result. */
1627                 for (i = 0; i < num_idents; i++) {
1628                         regval = (uint64_t)cache_entry->idents[i];
1629                         if (!ulp_regfile_write(parms->regfile,
1630                                                idents[i].regfile_idx,
1631                                                tfp_cpu_to_be_64(regval))) {
1632                                 BNXT_TF_DBG(ERR,
1633                                             "Failed to write to regfile\n");
1634                                 return -EINVAL;
1635                         }
1636                 }
1637                 /*
1638                  * The cached entry is being used, so let the tcam processing
1639                  * know not to process this table.
1640                  */
1641                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP;
1642         }
1643
1644         /* Made through the cache processing, increment the reference count. */
1645         cache_entry->ref_count++;
1646
1647         /* Link the cache to the flow db. */
1648         memset(&fid_parms, 0, sizeof(fid_parms));
1649         fid_parms.direction = tbl->direction;
1650         fid_parms.resource_func = tbl->resource_func;
1651
1652         /*
1653          * Cache resource type is composed of table_type, resource
1654          * sub type and direction, it needs to set appropriately via setter.
1655          */
1656         ulp_mapper_cache_res_type_set(&fid_parms,
1657                                       tbl->resource_type,
1658                                       (tbl->resource_sub_type << 1 |
1659                                        (tbl->direction & 0x1)));
1660         fid_parms.resource_hndl = (uint64_t)*ckey;
1661         fid_parms.critical_resource = tbl->critical_resource;
1662         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1663                                       parms->tbl_idx,
1664                                       parms->fid,
1665                                       &fid_parms);
1666         if (rc)
1667                 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n");
1668
1669         return rc;
1670 error:
1671         /*
1672          * This error handling only gets called when the idents are being
1673          * allocated for the cache on misses.  Using the num_idents that was
1674          * previously set.
1675          */
1676         for (i = 0; i < num_idents; i++) {
1677                 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
1678                         continue;
1679
1680                 fparms.dir = tbl->direction;
1681                 fparms.ident_type = idents[i].ident_type;
1682                 fparms.id = cache_entry->idents[i];
1683                 tf_free_identifier(parms->tfp, &fparms);
1684         }
1685
1686         return rc;
1687 }
1688
1689 static int32_t
1690 ulp_mapper_glb_resource_info_init(struct tf *tfp,
1691                                   struct bnxt_ulp_mapper_data *mapper_data)
1692 {
1693         struct bnxt_ulp_glb_resource_info *glb_res;
1694         uint32_t num_glb_res_ids, idx;
1695         int32_t rc = 0;
1696
1697         glb_res = ulp_mapper_glb_resource_info_list_get(&num_glb_res_ids);
1698         if (!glb_res || !num_glb_res_ids) {
1699                 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
1700                 return -EINVAL;
1701         }
1702
1703         /* Iterate the global resources and process each one */
1704         for (idx = 0; idx < num_glb_res_ids; idx++) {
1705                 switch (glb_res[idx].resource_func) {
1706                 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1707                         rc = ulp_mapper_resource_ident_allocate(tfp,
1708                                                                 mapper_data,
1709                                                                 &glb_res[idx]);
1710                         break;
1711                 default:
1712                         BNXT_TF_DBG(ERR, "Global resource %x not supported\n",
1713                                     glb_res[idx].resource_func);
1714                         break;
1715                 }
1716         }
1717         return rc;
1718 }
1719
1720 /*
1721  * Function to process the action template. Iterate through the list
1722  * action info templates and process it.
1723  */
1724 static int32_t
1725 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1726 {
1727         uint32_t        i;
1728         int32_t         rc = 0;
1729         struct bnxt_ulp_mapper_tbl_info *tbl;
1730
1731         if (!parms->atbls || !parms->num_atbls) {
1732                 BNXT_TF_DBG(ERR, "No action tables for template[%d][%d].\n",
1733                             parms->dev_id, parms->act_tid);
1734                 return -EINVAL;
1735         }
1736
1737         for (i = 0; i < parms->num_atbls; i++) {
1738                 tbl = &parms->atbls[i];
1739                 switch (tbl->resource_func) {
1740                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1741                         rc = ulp_mapper_index_tbl_process(parms, tbl, false);
1742                         break;
1743                 default:
1744                         BNXT_TF_DBG(ERR, "Unexpected action resource %d\n",
1745                                     tbl->resource_func);
1746                         return -EINVAL;
1747                 }
1748         }
1749         if (rc) {
1750                 BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1751                             tbl->resource_func);
1752                 return rc;
1753         }
1754
1755         return rc;
1756 }
1757
1758 /* Create the classifier table entries for a flow. */
1759 static int32_t
1760 ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1761 {
1762         uint32_t        i;
1763         int32_t         rc = 0;
1764
1765         if (!parms)
1766                 return -EINVAL;
1767
1768         if (!parms->ctbls || !parms->num_ctbls) {
1769                 BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n",
1770                             parms->dev_id, parms->class_tid);
1771                 return -EINVAL;
1772         }
1773
1774         for (i = 0; i < parms->num_ctbls; i++) {
1775                 struct bnxt_ulp_mapper_tbl_info *tbl = &parms->ctbls[i];
1776
1777                 switch (tbl->resource_func) {
1778                 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1779                         rc = ulp_mapper_tcam_tbl_process(parms, tbl);
1780                         break;
1781                 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1782                         rc = ulp_mapper_em_tbl_process(parms, tbl);
1783                         break;
1784                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1785                         rc = ulp_mapper_index_tbl_process(parms, tbl, true);
1786                         break;
1787                 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1788                         rc = ulp_mapper_cache_tbl_process(parms, tbl);
1789                         break;
1790                 default:
1791                         BNXT_TF_DBG(ERR, "Unexpected class resource %d\n",
1792                                     tbl->resource_func);
1793                         return -EINVAL;
1794                 }
1795
1796                 if (rc) {
1797                         BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1798                                     tbl->resource_func);
1799                         return rc;
1800                 }
1801         }
1802
1803         return rc;
1804 }
1805
1806 static int32_t
1807 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
1808                          struct ulp_flow_db_res_params *res)
1809 {
1810         struct tf *tfp;
1811         int32_t rc = 0;
1812
1813         if (!res || !ulp) {
1814                 BNXT_TF_DBG(ERR, "Unable to free resource\n ");
1815                 return -EINVAL;
1816         }
1817
1818         tfp = bnxt_ulp_cntxt_tfp_get(ulp);
1819         if (!tfp) {
1820                 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n");
1821                 return -EINVAL;
1822         }
1823
1824         switch (res->resource_func) {
1825         case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1826                 rc = ulp_mapper_cache_entry_free(ulp, tfp, res);
1827                 break;
1828         case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1829                 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
1830                 break;
1831         case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1832                 rc = ulp_mapper_eem_entry_free(ulp, tfp, res);
1833                 break;
1834         case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1835                 rc = ulp_mapper_index_entry_free(ulp, tfp, res);
1836                 break;
1837         case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1838                 rc = ulp_mapper_ident_free(ulp, tfp, res);
1839                 break;
1840         case BNXT_ULP_RESOURCE_FUNC_HW_FID:
1841                 rc = ulp_mapper_mark_free(ulp, res);
1842                 break;
1843         default:
1844                 break;
1845         }
1846
1847         return rc;
1848 }
1849
1850 int32_t
1851 ulp_mapper_resources_free(struct bnxt_ulp_context       *ulp_ctx,
1852                           uint32_t fid,
1853                           enum bnxt_ulp_flow_db_tables  tbl_type)
1854 {
1855         struct ulp_flow_db_res_params   res_parms = { 0 };
1856         int32_t                         rc, trc;
1857
1858         if (!ulp_ctx) {
1859                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1860                 return -EINVAL;
1861         }
1862
1863         /*
1864          * Set the critical resource on the first resource del, then iterate
1865          * while status is good
1866          */
1867         res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_YES;
1868         rc = ulp_flow_db_resource_del(ulp_ctx, tbl_type, fid, &res_parms);
1869
1870         if (rc) {
1871                 /*
1872                  * This is unexpected on the first call to resource del.
1873                  * It likely means that the flow did not exist in the flow db.
1874                  */
1875                 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n",
1876                             tbl_type, fid, rc);
1877                 return rc;
1878         }
1879
1880         while (!rc) {
1881                 trc = ulp_mapper_resource_free(ulp_ctx, &res_parms);
1882                 if (trc)
1883                         /*
1884                          * On fail, we still need to attempt to free the
1885                          * remaining resources.  Don't return
1886                          */
1887                         BNXT_TF_DBG(ERR,
1888                                     "Flow[%d][0x%x] Res[%d][0x%016" PRIx64
1889                                     "] failed rc=%d.\n",
1890                                     tbl_type, fid, res_parms.resource_func,
1891                                     res_parms.resource_hndl, trc);
1892
1893                 /* All subsequent call require the non-critical_resource */
1894                 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1895
1896                 rc = ulp_flow_db_resource_del(ulp_ctx,
1897                                               tbl_type,
1898                                               fid,
1899                                               &res_parms);
1900         }
1901
1902         /* Free the Flow ID since we've removed all resources */
1903         rc = ulp_flow_db_fid_free(ulp_ctx, tbl_type, fid);
1904
1905         return rc;
1906 }
1907
1908 static void
1909 ulp_mapper_glb_resource_info_deinit(struct bnxt_ulp_context *ulp_ctx,
1910                                     struct bnxt_ulp_mapper_data *mapper_data)
1911 {
1912         struct bnxt_ulp_mapper_glb_resource_entry *ent;
1913         struct ulp_flow_db_res_params res;
1914         uint32_t dir, idx;
1915
1916         /* Iterate the global resources and process each one */
1917         for (dir = TF_DIR_RX; dir < TF_DIR_MAX; dir++) {
1918                 for (idx = 0; idx < BNXT_ULP_GLB_RESOURCE_INFO_TBL_MAX_SZ;
1919                       idx++) {
1920                         ent = &mapper_data->glb_res_tbl[dir][idx];
1921                         if (ent->resource_func ==
1922                             BNXT_ULP_RESOURCE_FUNC_INVALID)
1923                                 continue;
1924                         memset(&res, 0, sizeof(struct ulp_flow_db_res_params));
1925                         res.resource_func = ent->resource_func;
1926                         res.direction = dir;
1927                         res.resource_type = ent->resource_type;
1928                         res.resource_hndl = ent->resource_hndl;
1929                         ulp_mapper_resource_free(ulp_ctx, &res);
1930                 }
1931         }
1932 }
1933
1934 int32_t
1935 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid)
1936 {
1937         if (!ulp_ctx) {
1938                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1939                 return -EINVAL;
1940         }
1941
1942         return ulp_mapper_resources_free(ulp_ctx,
1943                                          fid,
1944                                          BNXT_ULP_REGULAR_FLOW_TABLE);
1945 }
1946
1947 /* Function to handle the mapping of the Flow to be compatible
1948  * with the underlying hardware.
1949  */
1950 int32_t
1951 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
1952                        struct bnxt_ulp_mapper_create_parms *cparms,
1953                        uint32_t *flowid)
1954 {
1955         struct bnxt_ulp_device_params *device_params;
1956         struct bnxt_ulp_mapper_parms parms;
1957         struct ulp_regfile regfile;
1958         int32_t  rc, trc;
1959
1960         if (!ulp_ctx || !cparms)
1961                 return -EINVAL;
1962
1963         /* Initialize the parms structure */
1964         memset(&parms, 0, sizeof(parms));
1965         parms.act_prop = cparms->act_prop;
1966         parms.act_bitmap = cparms->act;
1967         parms.regfile = &regfile;
1968         parms.hdr_field = cparms->hdr_field;
1969         parms.comp_fld = cparms->comp_fld;
1970         parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
1971         parms.ulp_ctx = ulp_ctx;
1972         parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1973
1974         /* Get the device id from the ulp context */
1975         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) {
1976                 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
1977                 return -EINVAL;
1978         }
1979
1980         /*
1981          * Get the mapper data for dynamic mapper data such as default
1982          * ids.
1983          */
1984         parms.mapper_data = (struct bnxt_ulp_mapper_data *)
1985                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
1986         if (!parms.mapper_data) {
1987                 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
1988                 return -EINVAL;
1989         }
1990
1991         /* Get the action table entry from device id and act context id */
1992         parms.act_tid = cparms->act_tid;
1993         parms.atbls = ulp_mapper_action_tbl_list_get(parms.dev_id,
1994                                                      parms.act_tid,
1995                                                      &parms.num_atbls);
1996         if (!parms.atbls || !parms.num_atbls) {
1997                 BNXT_TF_DBG(ERR, "No action tables for %d:%d\n",
1998                             parms.dev_id, parms.act_tid);
1999                 return -EINVAL;
2000         }
2001
2002         /* Get the class table entry from device id and act context id */
2003         parms.class_tid = cparms->class_tid;
2004         parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id,
2005                                                     parms.class_tid,
2006                                                     &parms.num_ctbls);
2007         if (!parms.ctbls || !parms.num_ctbls) {
2008                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2009                             parms.dev_id, parms.class_tid);
2010                 return -EINVAL;
2011         }
2012
2013         /* Get the byte order for the further processing from device params */
2014         device_params = bnxt_ulp_device_params_get(parms.dev_id);
2015         if (!device_params) {
2016                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2017                             parms.dev_id, parms.class_tid);
2018                 return -EINVAL;
2019         }
2020         parms.order = device_params->byte_order;
2021         parms.encap_byte_swap = device_params->encap_byte_swap;
2022
2023         /* initialize the registry file for further processing */
2024         if (!ulp_regfile_init(parms.regfile)) {
2025                 BNXT_TF_DBG(ERR, "regfile initialization failed.\n");
2026                 return -EINVAL;
2027         }
2028
2029         rc = ulp_regfile_write(parms.regfile,
2030                                BNXT_ULP_REGFILE_INDEX_CLASS_TID,
2031                                tfp_cpu_to_be_64((uint64_t)parms.class_tid));
2032         if (!rc) {
2033                 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n");
2034                 return -EINVAL;
2035         }
2036
2037         /* Allocate a Flow ID for attaching all resources for the flow to.
2038          * Once allocated, all errors have to walk the list of resources and
2039          * free each of them.
2040          */
2041         rc = ulp_flow_db_fid_alloc(ulp_ctx,
2042                                    BNXT_ULP_REGULAR_FLOW_TABLE,
2043                                    cparms->func_id,
2044                                    &parms.fid);
2045         if (rc) {
2046                 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n");
2047                 return rc;
2048         }
2049
2050         /* Process the action template list from the selected action table*/
2051         rc = ulp_mapper_action_tbls_process(&parms);
2052         if (rc) {
2053                 BNXT_TF_DBG(ERR, "action tables failed creation for %d:%d\n",
2054                             parms.dev_id, parms.act_tid);
2055                 goto flow_error;
2056         }
2057
2058         /* All good. Now process the class template */
2059         rc = ulp_mapper_class_tbls_process(&parms);
2060         if (rc) {
2061                 BNXT_TF_DBG(ERR, "class tables failed creation for %d:%d\n",
2062                             parms.dev_id, parms.class_tid);
2063                 goto flow_error;
2064         }
2065
2066         *flowid = parms.fid;
2067
2068         return rc;
2069
2070 flow_error:
2071         /* Free all resources that were allocated during flow creation */
2072         trc = ulp_mapper_flow_destroy(ulp_ctx, parms.fid);
2073         if (trc)
2074                 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc);
2075
2076         return rc;
2077 }
2078
2079 int32_t
2080 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx)
2081 {
2082         struct bnxt_ulp_cache_tbl_params *tbl;
2083         struct bnxt_ulp_mapper_data *data;
2084         uint32_t i;
2085         struct tf *tfp;
2086         int32_t rc, csize;
2087
2088         if (!ulp_ctx)
2089                 return -EINVAL;
2090
2091         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2092         if (!tfp)
2093                 return -EINVAL;
2094
2095         data = rte_zmalloc("ulp_mapper_data",
2096                            sizeof(struct bnxt_ulp_mapper_data), 0);
2097         if (!data) {
2098                 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n");
2099                 return -ENOMEM;
2100         }
2101
2102         if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) {
2103                 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n");
2104                 /* Don't call deinit since the prof_func wasn't allocated. */
2105                 rte_free(data);
2106                 return -ENOMEM;
2107         }
2108
2109         /* Allocate the global resource ids */
2110         rc = ulp_mapper_glb_resource_info_init(tfp, data);
2111         if (rc) {
2112                 BNXT_TF_DBG(ERR, "Failed to initialize global resource ids\n");
2113                 goto error;
2114         }
2115
2116         /* Allocate the ulp cache tables. */
2117         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2118                 tbl = ulp_mapper_cache_tbl_params_get(i);
2119                 if (!tbl) {
2120                         BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)",
2121                                     i);
2122                         goto error;
2123                 }
2124                 if (tbl->num_entries != 0) {
2125                         csize = sizeof(struct bnxt_ulp_mapper_cache_entry) *
2126                                 tbl->num_entries;
2127                         data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl",
2128                                                          csize, 0);
2129                         if (!data->cache_tbl[i]) {
2130                                 BNXT_TF_DBG(ERR, "Failed to allocate Cache "
2131                                             "table %d.\n", i);
2132                                 rc = -ENOMEM;
2133                                 goto error;
2134                         }
2135                 }
2136         }
2137
2138         return 0;
2139 error:
2140         /* Ignore the return code in favor of returning the original error. */
2141         ulp_mapper_deinit(ulp_ctx);
2142         return rc;
2143 }
2144
2145 void
2146 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx)
2147 {
2148         struct bnxt_ulp_mapper_data *data;
2149         uint32_t i;
2150         struct tf *tfp;
2151
2152         if (!ulp_ctx) {
2153                 BNXT_TF_DBG(ERR,
2154                             "Failed to acquire ulp context, so data may "
2155                             "not be released.\n");
2156                 return;
2157         }
2158
2159         data = (struct bnxt_ulp_mapper_data *)
2160                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2161         if (!data) {
2162                 /* Go ahead and return since there is no allocated data. */
2163                 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n");
2164                 return;
2165         }
2166
2167         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2168         if (!tfp) {
2169                 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n");
2170                 /* Free the mapper data regardless of errors. */
2171                 goto free_mapper_data;
2172         }
2173
2174         /* Free the global resource info table entries */
2175         ulp_mapper_glb_resource_info_deinit(ulp_ctx, data);
2176
2177 free_mapper_data:
2178         /* Free the ulp cache tables */
2179         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2180                 rte_free(data->cache_tbl[i]);
2181                 data->cache_tbl[i] = NULL;
2182         }
2183
2184         rte_free(data);
2185         /* Reset the data pointer within the ulp_ctx. */
2186         bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL);
2187 }