drivers/net/bnxt/tf_ulp/ulp_mapper.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2020 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include <rte_log.h>
   7 #include <rte_malloc.h>
   8 #include "bnxt.h"
   9 #include "ulp_template_db_enum.h"
  10 #include "ulp_template_struct.h"
  11 #include "bnxt_tf_common.h"
  12 #include "ulp_utils.h"
  13 #include "bnxt_ulp.h"
  14 #include "tfp.h"
  15 #include "tf_ext_flow_handle.h"
  16 #include "ulp_mark_mgr.h"
  17 #include "ulp_flow_db.h"
  18 #include "ulp_mapper.h"
  19
  20 static struct bnxt_ulp_glb_resource_info *
  21 ulp_mapper_glb_resource_info_list_get(uint32_t *num_entries)
  22 {
  23         if (!num_entries)
  24                 return NULL;
  25         *num_entries = BNXT_ULP_GLB_RESOURCE_INFO_TBL_MAX_SZ;
  26         return ulp_glb_resource_tbl;
  27 }
  28
  29 /*
  30  * Read the global resource from the mapper global resource list
  31  *
  32  * The regval is always returned in big-endian.
  33  *
  34  * returns 0 on success
  35  */
  36 static int32_t
  37 ulp_mapper_glb_resource_read(struct bnxt_ulp_mapper_data *mapper_data,
  38                              enum tf_dir dir,
  39                              uint16_t idx,
  40                              uint64_t *regval)
  41 {
  42         if (!mapper_data || !regval ||
  43             dir >= TF_DIR_MAX || idx >= BNXT_ULP_GLB_REGFILE_INDEX_LAST)
  44                 return -EINVAL;
  45
  46         *regval = mapper_data->glb_res_tbl[dir][idx].resource_hndl;
  47         return 0;
  48 }
  49
  50 /*
  51  * Write a global resource to the mapper global resource list
  52  *
  53  * The regval value must be in big-endian.
  54  *
  55  * return 0 on success.
  56  */
  57 static int32_t
  58 ulp_mapper_glb_resource_write(struct bnxt_ulp_mapper_data *data,
  59                               struct bnxt_ulp_glb_resource_info *res,
  60                               uint64_t regval)
  61 {
  62         struct bnxt_ulp_mapper_glb_resource_entry *ent;
  63
  64         /* validate the arguments */
  65         if (!data || res->direction >= TF_DIR_MAX ||
  66             res->glb_regfile_index >= BNXT_ULP_GLB_REGFILE_INDEX_LAST)
  67                 return -EINVAL;
  68
  69         /* write to the mapper data */
  70         ent = &data->glb_res_tbl[res->direction][res->glb_regfile_index];
  71         ent->resource_func = res->resource_func;
  72         ent->resource_type = res->resource_type;
  73         ent->resource_hndl = regval;
  74         return 0;
  75 }
  76
  77 /*
  78  * Internal function to allocate identity resource and store it in mapper data.
  79  *
  80  * returns 0 on success
  81  */
  82 static int32_t
  83 ulp_mapper_resource_ident_allocate(struct tf *tfp,
  84                                    struct bnxt_ulp_mapper_data *mapper_data,
  85                                    struct bnxt_ulp_glb_resource_info *glb_res)
  86 {
  87         struct tf_alloc_identifier_parms iparms = { 0 };
  88         struct tf_free_identifier_parms fparms;
  89         uint64_t regval;
  90         int32_t rc = 0;
  91
  92         iparms.ident_type = glb_res->resource_type;
  93         iparms.dir = glb_res->direction;
  94
  95         /* Allocate the Identifier using tf api */
  96         rc = tf_alloc_identifier(tfp, &iparms);
  97         if (rc) {
  98                 BNXT_TF_DBG(ERR, "Failed to alloc identifier [%s][%d]\n",
  99                             (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
 100                             iparms.ident_type);
 101                 return rc;
 102         }
 103
 104         /* entries are stored as big-endian format */
 105         regval = tfp_cpu_to_be_64((uint64_t)iparms.id);
 106         /* write to the mapper global resource */
 107         rc = ulp_mapper_glb_resource_write(mapper_data, glb_res, regval);
 108         if (rc) {
 109                 BNXT_TF_DBG(ERR, "Failed to write to global resource id\n");
 110                 /* Free the identifier when update failed */
 111                 fparms.dir = iparms.dir;
 112                 fparms.ident_type = iparms.ident_type;
 113                 fparms.id = iparms.id;
 114                 tf_free_identifier(tfp, &fparms);
 115                 return rc;
 116         }
 117 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
 118         BNXT_TF_DBG(DEBUG, "Allocated Glb Res[%s][%d][%d] = 0x%04x\n",
 119                     (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
 120                     glb_res->glb_regfile_index, iparms.ident_type, iparms.id);
 121 #endif
 122         return rc;
 123 }
 124
 125 /* Retrieve the cache initialization parameters for the tbl_idx */
 126 static struct bnxt_ulp_cache_tbl_params *
 127 ulp_mapper_cache_tbl_params_get(uint32_t tbl_idx)
 128 {
 129         if (tbl_idx >= BNXT_ULP_CACHE_TBL_MAX_SZ)
 130                 return NULL;
 131
 132         return &ulp_cache_tbl_params[tbl_idx];
 133 }
 134
 135 /*
 136  * Get the size of the action property for a given index.
 137  *
 138  * idx [in] The index for the action property
 139  *
 140  * returns the size of the action property.
 141  */
 142 static uint32_t
 143 ulp_mapper_act_prop_size_get(uint32_t idx)
 144 {
 145         if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST)
 146                 return 0;
 147         return ulp_act_prop_map_table[idx];
 148 }
 149
 150 /*
 151  * Get the list of result fields that implement the flow action.
 152  * Gets a device dependent list of tables that implement the action template id.
 153  *
 154  * dev_id [in] The device id of the forwarding element
 155  *
 156  * tid [in] The action template id that matches the flow
 157  *
 158  * num_tbls [out] The number of action tables in the returned array
 159  *
 160  * Returns An array of action tables to implement the flow, or NULL on error.
 161  */
 162 static struct bnxt_ulp_mapper_tbl_info *
 163 ulp_mapper_action_tbl_list_get(uint32_t dev_id,
 164                                uint32_t tid,
 165                                uint32_t *num_tbls)
 166 {
 167         uint32_t        idx;
 168         uint32_t        tidx;
 169
 170         if (!num_tbls) {
 171                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
 172                 return NULL;
 173         }
 174
 175         /* template shift and device mask */
 176         tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
 177
 178         /* NOTE: Need to have something from template compiler to help validate
 179          * range of dev_id and act_tid
 180          */
 181         idx             = ulp_act_tmpl_list[tidx].start_tbl_idx;
 182         *num_tbls       = ulp_act_tmpl_list[tidx].num_tbls;
 183
 184         return &ulp_act_tbl_list[idx];
 185 }
 186
 187 /** Get a list of classifier tables that implement the flow
 188  * Gets a device dependent list of tables that implement the class template id
 189  *
 190  * dev_id [in] The device id of the forwarding element
 191  *
 192  * tid [in] The template id that matches the flow
 193  *
 194  * num_tbls [out] The number of classifier tables in the returned array
 195  *
 196  * returns An array of classifier tables to implement the flow, or NULL on
 197  * error
 198  */
 199 static struct bnxt_ulp_mapper_tbl_info *
 200 ulp_mapper_class_tbl_list_get(uint32_t dev_id,
 201                               uint32_t tid,
 202                               uint32_t *num_tbls)
 203 {
 204         uint32_t idx;
 205         uint32_t tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
 206
 207         if (!num_tbls)
 208                 return NULL;
 209
 210         /* NOTE: Need to have something from template compiler to help validate
 211          * range of dev_id and tid
 212          */
 213         idx             = ulp_class_tmpl_list[tidx].start_tbl_idx;
 214         *num_tbls       = ulp_class_tmpl_list[tidx].num_tbls;
 215
 216         return &ulp_class_tbl_list[idx];
 217 }
 218
 219 /*
 220  * Get the list of key fields that implement the flow.
 221  *
 222  * ctxt [in] The ulp context
 223  *
 224  * tbl [in] A single table instance to get the key fields from
 225  *
 226  * num_flds [out] The number of key fields in the returned array
 227  *
 228  * Returns array of Key fields, or NULL on error.
 229  */
 230 static struct bnxt_ulp_mapper_class_key_field_info *
 231 ulp_mapper_key_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl,
 232                           uint32_t *num_flds)
 233 {
 234         uint32_t idx;
 235
 236         if (!tbl || !num_flds)
 237                 return NULL;
 238
 239         idx             = tbl->key_start_idx;
 240         *num_flds       = tbl->key_num_fields;
 241
 242         /* NOTE: Need template to provide range checking define */
 243         return &ulp_class_key_field_list[idx];
 244 }
 245
 246 /*
 247  * Get the list of data fields that implement the flow.
 248  *
 249  * ctxt [in] The ulp context
 250  *
 251  * tbl [in] A single table instance to get the data fields from
 252  *
 253  * num_flds [out] The number of data fields in the returned array.
 254  *
 255  * Returns array of data fields, or NULL on error.
 256  */
 257 static struct bnxt_ulp_mapper_result_field_info *
 258 ulp_mapper_result_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl,
 259                              uint32_t *num_flds)
 260 {
 261         uint32_t idx;
 262
 263         if (!tbl || !num_flds)
 264                 return NULL;
 265
 266         idx             = tbl->result_start_idx;
 267         *num_flds       = tbl->result_num_fields;
 268
 269         /* NOTE: Need template to provide range checking define */
 270         return &ulp_class_result_field_list[idx];
 271 }
 272
 273 /*
 274  * Get the list of result fields that implement the flow action.
 275  *
 276  * tbl [in] A single table instance to get the results fields
 277  * from num_flds [out] The number of data fields in the returned
 278  * array.
 279  *
 280  * Returns array of data fields, or NULL on error.
 281  */
 282 static struct bnxt_ulp_mapper_result_field_info *
 283 ulp_mapper_act_result_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl,
 284                                  uint32_t *num_rslt_flds,
 285                                  uint32_t *num_encap_flds)
 286 {
 287         uint32_t idx;
 288
 289         if (!tbl || !num_rslt_flds || !num_encap_flds)
 290                 return NULL;
 291
 292         idx             = tbl->result_start_idx;
 293         *num_rslt_flds  = tbl->result_num_fields;
 294         *num_encap_flds = tbl->encap_num_fields;
 295
 296         /* NOTE: Need template to provide range checking define */
 297         return &ulp_act_result_field_list[idx];
 298 }
 299
 300 /*
 301  * Get the list of ident fields that implement the flow
 302  *
 303  * tbl [in] A single table instance to get the ident fields from
 304  *
 305  * num_flds [out] The number of ident fields in the returned array
 306  *
 307  * returns array of ident fields, or NULL on error
 308  */
 309 static struct bnxt_ulp_mapper_ident_info *
 310 ulp_mapper_ident_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl,
 311                             uint32_t *num_flds)
 312 {
 313         uint32_t idx;
 314
 315         if (!tbl || !num_flds)
 316                 return NULL;
 317
 318         idx = tbl->ident_start_idx;
 319         *num_flds = tbl->ident_nums;
 320
 321         /* NOTE: Need template to provide range checking define */
 322         return &ulp_ident_list[idx];
 323 }
 324
 325 static struct bnxt_ulp_mapper_cache_entry *
 326 ulp_mapper_cache_entry_get(struct bnxt_ulp_context *ulp,
 327                            uint32_t id,
 328                            uint16_t key)
 329 {
 330         struct bnxt_ulp_mapper_data *mapper_data;
 331
 332         mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp);
 333         if (!mapper_data || id >= BNXT_ULP_CACHE_TBL_MAX_SZ ||
 334             !mapper_data->cache_tbl[id]) {
 335                 BNXT_TF_DBG(ERR, "Unable to acquire the cache tbl (%d)\n", id);
 336                 return NULL;
 337         }
 338
 339         return &mapper_data->cache_tbl[id][key];
 340 }
 341
 342 /*
 343  * Concatenates the tbl_type and tbl_id into a 32bit value for storing in the
 344  * resource_type.  This is done to conserve memory since both the tbl_type and
 345  * tbl_id are 16bit.
 346  */
 347 static inline void
 348 ulp_mapper_cache_res_type_set(struct ulp_flow_db_res_params *res,
 349                               uint16_t tbl_type,
 350                               uint16_t tbl_id)
 351 {
 352         res->resource_type = tbl_type;
 353         res->resource_sub_type = tbl_id;
 354 }
 355
 356 /* Extracts the tbl_type and tbl_id from the 32bit resource type. */
 357 static inline void
 358 ulp_mapper_cache_res_type_get(struct ulp_flow_db_res_params *res,
 359                               uint16_t *tbl_type,
 360                               uint16_t *tbl_id)
 361 {
 362         *tbl_type = res->resource_type;
 363         *tbl_id = res->resource_sub_type;
 364 }
 365
 366 static int32_t
 367 ulp_mapper_cache_entry_free(struct bnxt_ulp_context *ulp,
 368                             struct tf *tfp,
 369                             struct ulp_flow_db_res_params *res)
 370 {
 371         struct bnxt_ulp_mapper_cache_entry *cache_entry;
 372         struct tf_free_identifier_parms ident_parms;
 373         struct tf_free_tcam_entry_parms tcam_parms;
 374         uint16_t table_id, table_type;
 375         int32_t rc, trc, i;
 376
 377         /*
 378          * The table id, used for cache, and table_type, used for tcam, are
 379          * both encoded within the resource.  We must first extract them to
 380          * formulate the args for tf calls.
 381          */
 382         ulp_mapper_cache_res_type_get(res, &table_type, &table_id);
 383         cache_entry = ulp_mapper_cache_entry_get(ulp, table_id,
 384                                                  (uint16_t)res->resource_hndl);
 385         if (!cache_entry || !cache_entry->ref_count) {
 386                 BNXT_TF_DBG(ERR, "Cache entry (%d:%d) not valid on free.\n",
 387                             table_id, (uint16_t)res->resource_hndl);
 388                 return -EINVAL;
 389         }
 390
 391         /*
 392          * See if we need to delete the entry.  The tcam and identifiers are all
 393          * tracked by the cached entries reference count.  All are deleted when
 394          * the reference count hit zero.
 395          */
 396         cache_entry->ref_count--;
 397         if (cache_entry->ref_count)
 398                 return 0;
 399
 400         /*
 401          * Need to delete the tcam entry and the allocated identifiers.
 402          * In the event of a failure, need to try to delete the remaining
 403          * resources before returning error.
 404          */
 405         tcam_parms.dir = res->direction;
 406         tcam_parms.tcam_tbl_type = table_type;
 407         tcam_parms.idx = cache_entry->tcam_idx;
 408         rc = tf_free_tcam_entry(tfp, &tcam_parms);
 409         if (rc)
 410                 BNXT_TF_DBG(ERR, "Failed to free tcam [%d][%s][0x%04x] rc=%d\n",
 411                             table_type,
 412                             (res->direction == TF_DIR_RX) ? "RX" : "TX",
 413                             tcam_parms.idx, rc);
 414
 415         /*
 416          * Free the identifiers associated with the tcam entry.  Entries with
 417          * negative one are considered uninitialized.
 418          */
 419         for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++) {
 420                 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
 421                         continue;
 422
 423                 ident_parms.dir = res->direction;
 424                 ident_parms.ident_type = cache_entry->ident_types[i];
 425                 ident_parms.id = cache_entry->idents[i];
 426                 trc = tf_free_identifier(tfp, &ident_parms);
 427                 if (trc) {
 428                         BNXT_TF_DBG(ERR, "Failed to free identifier "
 429                                     "[%d][%s][0x%04x] rc=%d\n",
 430                                     ident_parms.ident_type,
 431                                     (res->direction == TF_DIR_RX) ? "RX" : "TX",
 432                                     ident_parms.id, trc);
 433                         rc = trc;
 434                 }
 435         }
 436
 437         return rc;
 438 }
 439
 440 static inline int32_t
 441 ulp_mapper_tcam_entry_free(struct bnxt_ulp_context *ulp  __rte_unused,
 442                            struct tf *tfp,
 443                            struct ulp_flow_db_res_params *res)
 444 {
 445         struct tf_free_tcam_entry_parms fparms = {
 446                 .dir            = res->direction,
 447                 .tcam_tbl_type  = res->resource_type,
 448                 .idx            = (uint16_t)res->resource_hndl
 449         };
 450
 451         return tf_free_tcam_entry(tfp, &fparms);
 452 }
 453
 454 static inline int32_t
 455 ulp_mapper_index_entry_free(struct bnxt_ulp_context *ulp,
 456                             struct tf *tfp,
 457                             struct ulp_flow_db_res_params *res)
 458 {
 459         struct tf_free_tbl_entry_parms fparms = {
 460                 .dir    = res->direction,
 461                 .type   = res->resource_type,
 462                 .idx    = (uint32_t)res->resource_hndl
 463         };
 464
 465         /*
 466          * Just set the table scope, it will be ignored if not necessary
 467          * by the tf_free_tbl_entry
 468          */
 469         bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
 470
 471         return tf_free_tbl_entry(tfp, &fparms);
 472 }
 473
 474 static inline int32_t
 475 ulp_mapper_eem_entry_free(struct bnxt_ulp_context *ulp,
 476                           struct tf *tfp,
 477                           struct ulp_flow_db_res_params *res)
 478 {
 479         struct tf_delete_em_entry_parms fparms = { 0 };
 480         int32_t rc;
 481
 482         fparms.dir              = res->direction;
 483         fparms.mem              = TF_MEM_EXTERNAL;
 484         fparms.flow_handle      = res->resource_hndl;
 485
 486         rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
 487         if (rc) {
 488                 BNXT_TF_DBG(ERR, "Failed to get table scope\n");
 489                 return -EINVAL;
 490         }
 491
 492         return tf_delete_em_entry(tfp, &fparms);
 493 }
 494
 495 static inline int32_t
 496 ulp_mapper_ident_free(struct bnxt_ulp_context *ulp __rte_unused,
 497                       struct tf *tfp,
 498                       struct ulp_flow_db_res_params *res)
 499 {
 500         struct tf_free_identifier_parms fparms = {
 501                 .dir            = res->direction,
 502                 .ident_type     = res->resource_type,
 503                 .id             = (uint16_t)res->resource_hndl
 504         };
 505
 506         return tf_free_identifier(tfp, &fparms);
 507 }
 508
 509 static inline int32_t
 510 ulp_mapper_mark_free(struct bnxt_ulp_context *ulp,
 511                      struct ulp_flow_db_res_params *res)
 512 {
 513         return ulp_mark_db_mark_del(ulp,
 514                                     res->resource_type,
 515                                     res->resource_hndl);
 516 }
 517
 518 /*
 519  * Process the identifier instruction and either store it in the flow database
 520  * or return it in the val (if not NULL) on success.  If val is NULL, the
 521  * identifier is to be stored in the flow database.
 522  */
 523 static int32_t
 524 ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms,
 525                          struct bnxt_ulp_mapper_tbl_info *tbl,
 526                          struct bnxt_ulp_mapper_ident_info *ident,
 527                          uint16_t *val)
 528 {
 529         struct ulp_flow_db_res_params   fid_parms;
 530         uint64_t id = 0;
 531         int32_t idx;
 532         struct tf_alloc_identifier_parms iparms = { 0 };
 533         struct tf_free_identifier_parms free_parms = { 0 };
 534         struct tf *tfp;
 535         int rc;
 536
 537         tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
 538         if (!tfp) {
 539                 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n");
 540                 return -EINVAL;
 541         }
 542
 543         idx = ident->regfile_idx;
 544
 545         iparms.ident_type = ident->ident_type;
 546         iparms.dir = tbl->direction;
 547
 548         rc = tf_alloc_identifier(tfp, &iparms);
 549         if (rc) {
 550                 BNXT_TF_DBG(ERR, "Alloc ident %s:%d failed.\n",
 551                             (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
 552                             iparms.ident_type);
 553                 return rc;
 554         }
 555
 556         id = (uint64_t)tfp_cpu_to_be_64(iparms.id);
 557         if (!ulp_regfile_write(parms->regfile, idx, id)) {
 558                 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx);
 559                 rc = -EINVAL;
 560                 /* Need to free the identifier, so goto error */
 561                 goto error;
 562         }
 563
 564         /* Link the resource to the flow in the flow db */
 565         if (!val) {
 566                 memset(&fid_parms, 0, sizeof(fid_parms));
 567                 fid_parms.direction             = tbl->direction;
 568                 fid_parms.resource_func = ident->resource_func;
 569                 fid_parms.resource_type = ident->ident_type;
 570                 fid_parms.resource_hndl = iparms.id;
 571                 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
 572
 573                 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 574                                               parms->tbl_idx,
 575                                               parms->fid,
 576                                               &fid_parms);
 577                 if (rc) {
 578                         BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
 579                                     rc);
 580                         /* Need to free the identifier, so goto error */
 581                         goto error;
 582                 }
 583         } else {
 584                 *val = iparms.id;
 585         }
 586
 587         return 0;
 588
 589 error:
 590         /* Need to free the identifier */
 591         free_parms.dir          = tbl->direction;
 592         free_parms.ident_type   = ident->ident_type;
 593         free_parms.id           = iparms.id;
 594
 595         (void)tf_free_identifier(tfp, &free_parms);
 596
 597         BNXT_TF_DBG(ERR, "Ident process failed for %s:%s\n",
 598                     ident->description,
 599                     (tbl->direction == TF_DIR_RX) ? "RX" : "TX");
 600         return rc;
 601 }
 602
 603 static int32_t
 604 ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms,
 605                                 enum tf_dir dir,
 606                                 struct bnxt_ulp_mapper_result_field_info *fld,
 607                                 struct ulp_blob *blob,
 608                                 const char *name)
 609 {
 610         uint16_t idx, size_idx;
 611         uint8_t  *val = NULL;
 612         uint64_t regval;
 613         uint32_t val_size = 0, field_size = 0;
 614         uint64_t act_bit;
 615         uint8_t act_val;
 616
 617         switch (fld->result_opcode) {
 618         case BNXT_ULP_MAPPER_OPC_SET_TO_CONSTANT:
 619                 val = fld->result_operand;
 620                 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
 621                         BNXT_TF_DBG(ERR, "%s failed to add field\n", name);
 622                         return -EINVAL;
 623                 }
 624                 break;
 625         case BNXT_ULP_MAPPER_OPC_SET_TO_ACT_PROP:
 626                 if (!ulp_operand_read(fld->result_operand,
 627                                       (uint8_t *)&idx, sizeof(uint16_t))) {
 628                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 629                         return -EINVAL;
 630                 }
 631                 idx = tfp_be_to_cpu_16(idx);
 632
 633                 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
 634                         BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
 635                         return -EINVAL;
 636                 }
 637                 val = &parms->act_prop->act_details[idx];
 638                 field_size = ulp_mapper_act_prop_size_get(idx);
 639                 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) {
 640                         field_size  = field_size -
 641                             ((fld->field_bit_size + 7) / 8);
 642                         val += field_size;
 643                 }
 644                 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
 645                         BNXT_TF_DBG(ERR, "%s push field failed\n", name);
 646                         return -EINVAL;
 647                 }
 648                 break;
 649         case BNXT_ULP_MAPPER_OPC_SET_TO_ACT_BIT:
 650                 if (!ulp_operand_read(fld->result_operand,
 651                                       (uint8_t *)&act_bit, sizeof(uint64_t))) {
 652                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 653                         return -EINVAL;
 654                 }
 655                 act_bit = tfp_be_to_cpu_64(act_bit);
 656                 act_val = ULP_BITMAP_ISSET(parms->act_bitmap->bits, act_bit);
 657                 if (fld->field_bit_size > ULP_BYTE_2_BITS(sizeof(act_val))) {
 658                         BNXT_TF_DBG(ERR, "%s field size is incorrect\n", name);
 659                         return -EINVAL;
 660                 }
 661                 if (!ulp_blob_push(blob, &act_val, fld->field_bit_size)) {
 662                         BNXT_TF_DBG(ERR, "%s push field failed\n", name);
 663                         return -EINVAL;
 664                 }
 665                 val = &act_val;
 666                 break;
 667         case BNXT_ULP_MAPPER_OPC_SET_TO_ENCAP_ACT_PROP_SZ:
 668                 if (!ulp_operand_read(fld->result_operand,
 669                                       (uint8_t *)&idx, sizeof(uint16_t))) {
 670                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 671                         return -EINVAL;
 672                 }
 673                 idx = tfp_be_to_cpu_16(idx);
 674
 675                 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
 676                         BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
 677                         return -EINVAL;
 678                 }
 679                 val = &parms->act_prop->act_details[idx];
 680
 681                 /* get the size index next */
 682                 if (!ulp_operand_read(&fld->result_operand[sizeof(uint16_t)],
 683                                       (uint8_t *)&size_idx, sizeof(uint16_t))) {
 684                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 685                         return -EINVAL;
 686                 }
 687                 size_idx = tfp_be_to_cpu_16(size_idx);
 688
 689                 if (size_idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
 690                         BNXT_TF_DBG(ERR, "act_prop[%d] oob\n", size_idx);
 691                         return -EINVAL;
 692                 }
 693                 memcpy(&val_size, &parms->act_prop->act_details[size_idx],
 694                        sizeof(uint32_t));
 695                 val_size = tfp_be_to_cpu_32(val_size);
 696                 val_size = ULP_BYTE_2_BITS(val_size);
 697                 ulp_blob_push_encap(blob, val, val_size);
 698                 break;
 699         case BNXT_ULP_MAPPER_OPC_SET_TO_REGFILE:
 700                 if (!ulp_operand_read(fld->result_operand,
 701                                       (uint8_t *)&idx, sizeof(uint16_t))) {
 702                         BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
 703                         return -EINVAL;
 704                 }
 705
 706                 idx = tfp_be_to_cpu_16(idx);
 707                 /* Uninitialized regfile entries return 0 */
 708                 if (!ulp_regfile_read(parms->regfile, idx, &regval)) {
 709                         BNXT_TF_DBG(ERR, "%s regfile[%d] read oob\n",
 710                                     name, idx);
 711                         return -EINVAL;
 712                 }
 713
 714                 val = ulp_blob_push_64(blob, &regval, fld->field_bit_size);
 715                 if (!val) {
 716                         BNXT_TF_DBG(ERR, "%s push field failed\n", name);
 717                         return -EINVAL;
 718                 }
 719                 break;
 720         case BNXT_ULP_MAPPER_OPC_SET_TO_GLB_REGFILE:
 721                 if (!ulp_operand_read(fld->result_operand,
 722                                       (uint8_t *)&idx,
 723                                       sizeof(uint16_t))) {
 724                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 725                         return -EINVAL;
 726                 }
 727                 idx = tfp_be_to_cpu_16(idx);
 728                 if (ulp_mapper_glb_resource_read(parms->mapper_data,
 729                                                  dir,
 730                                                  idx, &regval)) {
 731                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 732                                     name, idx);
 733                         return -EINVAL;
 734                 }
 735                 val = ulp_blob_push_64(blob, &regval, fld->field_bit_size);
 736                 if (!val) {
 737                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 738                         return -EINVAL;
 739                 }
 740                 break;
 741         case BNXT_ULP_MAPPER_OPC_SET_TO_COMP_FIELD:
 742                 if (!ulp_operand_read(fld->result_operand,
 743                                       (uint8_t *)&idx,
 744                                       sizeof(uint16_t))) {
 745                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 746                         return -EINVAL;
 747                 }
 748                 idx = tfp_be_to_cpu_16(idx);
 749                 if (idx < BNXT_ULP_CF_IDX_LAST)
 750                         val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
 751                                                fld->field_bit_size);
 752                 if (!val) {
 753                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 754                         return -EINVAL;
 755                 }
 756                 break;
 757         case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO:
 758                 if (ulp_blob_pad_push(blob, fld->field_bit_size) < 0) {
 759                         BNXT_TF_DBG(ERR, "%s too large for blob\n", name);
 760                         return -EINVAL;
 761                 }
 762
 763                 break;
 764         default:
 765                 return -EINVAL;
 766         }
 767         return 0;
 768 }
 769
 770 /* Function to alloc action record and set the table. */
 771 static int32_t
 772 ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms,
 773                                  enum tf_dir dir,
 774                                  struct bnxt_ulp_mapper_class_key_field_info *f,
 775                                  struct ulp_blob *blob,
 776                                  uint8_t is_key,
 777                                  const char *name)
 778 {
 779         uint64_t val64;
 780         uint16_t idx, bitlen;
 781         uint32_t opcode;
 782         uint8_t *operand;
 783         struct ulp_regfile *regfile = parms->regfile;
 784         uint8_t *val = NULL;
 785         struct bnxt_ulp_mapper_class_key_field_info *fld = f;
 786         uint32_t field_size;
 787
 788         if (is_key) {
 789                 operand = fld->spec_operand;
 790                 opcode  = fld->spec_opcode;
 791         } else {
 792                 operand = fld->mask_operand;
 793                 opcode  = fld->mask_opcode;
 794         }
 795
 796         bitlen = fld->field_bit_size;
 797
 798         switch (opcode) {
 799         case BNXT_ULP_MAPPER_OPC_SET_TO_CONSTANT:
 800                 val = operand;
 801                 if (!ulp_blob_push(blob, val, bitlen)) {
 802                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 803                         return -EINVAL;
 804                 }
 805                 break;
 806         case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO:
 807                 if (ulp_blob_pad_push(blob, bitlen) < 0) {
 808                         BNXT_TF_DBG(ERR, "%s pad too large for blob\n", name);
 809                         return -EINVAL;
 810                 }
 811
 812                 break;
 813         case BNXT_ULP_MAPPER_OPC_SET_TO_HDR_FIELD:
 814                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 815                                       sizeof(uint16_t))) {
 816                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 817                         return -EINVAL;
 818                 }
 819                 idx = tfp_be_to_cpu_16(idx);
 820                 if (is_key)
 821                         val = parms->hdr_field[idx].spec;
 822                 else
 823                         val = parms->hdr_field[idx].mask;
 824
 825                 /*
 826                  * Need to account for how much data was pushed to the header
 827                  * field vs how much is to be inserted in the key/mask.
 828                  */
 829                 field_size = parms->hdr_field[idx].size;
 830                 if (bitlen < ULP_BYTE_2_BITS(field_size)) {
 831                         field_size  = field_size - ((bitlen + 7) / 8);
 832                         val += field_size;
 833                 }
 834
 835                 if (!ulp_blob_push(blob, val, bitlen)) {
 836                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 837                         return -EINVAL;
 838                 }
 839                 break;
 840         case BNXT_ULP_MAPPER_OPC_SET_TO_COMP_FIELD:
 841                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 842                                       sizeof(uint16_t))) {
 843                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 844                         return -EINVAL;
 845                 }
 846                 idx = tfp_be_to_cpu_16(idx);
 847                 if (idx < BNXT_ULP_CF_IDX_LAST)
 848                         val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
 849                                                bitlen);
 850                 if (!val) {
 851                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 852                         return -EINVAL;
 853                 }
 854                 break;
 855         case BNXT_ULP_MAPPER_OPC_SET_TO_REGFILE:
 856                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 857                                       sizeof(uint16_t))) {
 858                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 859                         return -EINVAL;
 860                 }
 861                 idx = tfp_be_to_cpu_16(idx);
 862
 863                 if (!ulp_regfile_read(regfile, idx, &val64)) {
 864                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 865                                     name, idx);
 866                         return -EINVAL;
 867                 }
 868
 869                 val = ulp_blob_push_64(blob, &val64, bitlen);
 870                 if (!val) {
 871                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 872                         return -EINVAL;
 873                 }
 874                 break;
 875         case BNXT_ULP_MAPPER_OPC_SET_TO_GLB_REGFILE:
 876                 if (!ulp_operand_read(operand, (uint8_t *)&idx,
 877                                       sizeof(uint16_t))) {
 878                         BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
 879                         return -EINVAL;
 880                 }
 881                 idx = tfp_be_to_cpu_16(idx);
 882                 if (ulp_mapper_glb_resource_read(parms->mapper_data,
 883                                                  dir,
 884                                                  idx, &val64)) {
 885                         BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
 886                                     name, idx);
 887                         return -EINVAL;
 888                 }
 889                 val = ulp_blob_push_64(blob, &val64, bitlen);
 890                 if (!val) {
 891                         BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
 892                         return -EINVAL;
 893                 }
 894                 break;
 895         default:
 896                 break;
 897         }
 898
 899         return 0;
 900 }
 901
 902 static int32_t
 903 ulp_mapper_mark_gfid_process(struct bnxt_ulp_mapper_parms *parms,
 904                              struct bnxt_ulp_mapper_tbl_info *tbl,
 905                              uint64_t flow_id)
 906 {
 907         enum bnxt_ulp_mark_db_opcode mark_op = tbl->mark_db_opcode;
 908         struct ulp_flow_db_res_params fid_parms;
 909         uint32_t mark, gfid, mark_flag;
 910         int32_t rc = 0;
 911
 912         if (mark_op == BNXT_ULP_MARK_DB_OPCODE_NOP ||
 913             !(mark_op == BNXT_ULP_MARK_DB_OPCODE_SET_IF_MARK_ACTION &&
 914               ULP_BITMAP_ISSET(parms->act_bitmap->bits,
 915                                BNXT_ULP_ACTION_BIT_MARK)))
 916                 return rc; /* no need to perform gfid process */
 917
 918         /* Get the mark id details from action property */
 919         memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
 920                sizeof(mark));
 921         mark = tfp_be_to_cpu_32(mark);
 922
 923         TF_GET_GFID_FROM_FLOW_ID(flow_id, gfid);
 924         mark_flag  = BNXT_ULP_MARK_GLOBAL_HW_FID;
 925         rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
 926                                   gfid, mark);
 927         if (rc) {
 928                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
 929                 return rc;
 930         }
 931         fid_parms.direction = tbl->direction;
 932         fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
 933         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
 934         fid_parms.resource_type = mark_flag;
 935         fid_parms.resource_hndl = gfid;
 936         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 937                                       parms->tbl_idx,
 938                                       parms->fid,
 939                                       &fid_parms);
 940         if (rc)
 941                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
 942         return rc;
 943 }
 944
 945 static int32_t
 946 ulp_mapper_mark_act_ptr_process(struct bnxt_ulp_mapper_parms *parms,
 947                                 struct bnxt_ulp_mapper_tbl_info *tbl)
 948 {
 949         enum bnxt_ulp_mark_db_opcode mark_op = tbl->mark_db_opcode;
 950         struct ulp_flow_db_res_params fid_parms;
 951         uint32_t act_idx, mark, mark_flag;
 952         uint64_t val64;
 953         int32_t rc = 0;
 954
 955         if (mark_op == BNXT_ULP_MARK_DB_OPCODE_NOP ||
 956             !(mark_op == BNXT_ULP_MARK_DB_OPCODE_SET_IF_MARK_ACTION &&
 957               ULP_BITMAP_ISSET(parms->act_bitmap->bits,
 958                                BNXT_ULP_ACTION_BIT_MARK)))
 959                 return rc; /* no need to perform mark action process */
 960
 961         /* Get the mark id details from action property */
 962         memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
 963                sizeof(mark));
 964         mark = tfp_be_to_cpu_32(mark);
 965
 966         if (!ulp_regfile_read(parms->regfile,
 967                               BNXT_ULP_REGFILE_INDEX_MAIN_ACTION_PTR,
 968                               &val64)) {
 969                 BNXT_TF_DBG(ERR, "read action ptr main failed\n");
 970                 return -EINVAL;
 971         }
 972         act_idx = tfp_be_to_cpu_64(val64);
 973         mark_flag  = BNXT_ULP_MARK_LOCAL_HW_FID;
 974         rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
 975                                   act_idx, mark);
 976         if (rc) {
 977                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
 978                 return rc;
 979         }
 980         fid_parms.direction = tbl->direction;
 981         fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
 982         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
 983         fid_parms.resource_type = mark_flag;
 984         fid_parms.resource_hndl = act_idx;
 985         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
 986                                       parms->tbl_idx,
 987                                       parms->fid,
 988                                       &fid_parms);
 989         if (rc)
 990                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
 991         return rc;
 992 }
 993
 994 static int32_t
 995 ulp_mapper_mark_vfr_idx_process(struct bnxt_ulp_mapper_parms *parms,
 996                                 struct bnxt_ulp_mapper_tbl_info *tbl)
 997 {
 998         struct ulp_flow_db_res_params fid_parms;
 999         uint32_t act_idx, mark, mark_flag;
1000         uint64_t val64;
1001         enum bnxt_ulp_mark_db_opcode mark_op = tbl->mark_db_opcode;
1002         int32_t rc = 0;
1003
1004         if (mark_op == BNXT_ULP_MARK_DB_OPCODE_NOP ||
1005             mark_op == BNXT_ULP_MARK_DB_OPCODE_SET_IF_MARK_ACTION)
1006                 return rc; /* no need to perform mark action process */
1007
1008         /* Get the mark id details from the computed field of dev port id */
1009         mark = ULP_COMP_FLD_IDX_RD(parms, BNXT_ULP_CF_IDX_DEV_PORT_ID);
1010
1011          /* Get the main action pointer */
1012         if (!ulp_regfile_read(parms->regfile,
1013                               BNXT_ULP_REGFILE_INDEX_MAIN_ACTION_PTR,
1014                               &val64)) {
1015                 BNXT_TF_DBG(ERR, "read action ptr main failed\n");
1016                 return -EINVAL;
1017         }
1018         act_idx = tfp_be_to_cpu_64(val64);
1019
1020         /* Set the mark flag to local fid and vfr flag */
1021         mark_flag  = BNXT_ULP_MARK_LOCAL_HW_FID | BNXT_ULP_MARK_VFR_ID;
1022
1023         rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
1024                                   act_idx, mark);
1025         if (rc) {
1026                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1027                 return rc;
1028         }
1029         fid_parms.direction = tbl->direction;
1030         fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
1031         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1032         fid_parms.resource_type = mark_flag;
1033         fid_parms.resource_hndl = act_idx;
1034         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1035                                       parms->tbl_idx,
1036                                       parms->fid,
1037                                       &fid_parms);
1038         if (rc)
1039                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
1040         return rc;
1041 }
1042
1043 static int32_t
1044 ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1045                             struct bnxt_ulp_mapper_tbl_info *tbl)
1046 {
1047         struct bnxt_ulp_mapper_class_key_field_info     *kflds;
1048         struct ulp_blob key, mask, data;
1049         uint32_t i, num_kflds;
1050         struct tf *tfp;
1051         int32_t rc, trc;
1052         struct tf_alloc_tcam_entry_parms aparms         = { 0 };
1053         struct tf_set_tcam_entry_parms sparms           = { 0 };
1054         struct ulp_flow_db_res_params   fid_parms       = { 0 };
1055         struct tf_free_tcam_entry_parms free_parms      = { 0 };
1056         uint32_t hit = 0;
1057         uint16_t tmplen = 0;
1058
1059         /* Skip this if was handled by the cache. */
1060         if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP) {
1061                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1062                 return 0;
1063         }
1064
1065         tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1066         if (!tfp) {
1067                 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
1068                 return -EINVAL;
1069         }
1070
1071         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1072         if (!kflds || !num_kflds) {
1073                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1074                 return -EINVAL;
1075         }
1076
1077         if (!ulp_blob_init(&key, tbl->key_bit_size,
1078                            parms->device_params->byte_order) ||
1079             !ulp_blob_init(&mask, tbl->key_bit_size,
1080                            parms->device_params->byte_order) ||
1081             !ulp_blob_init(&data, tbl->result_bit_size,
1082                            parms->device_params->byte_order)) {
1083                 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1084                 return -EINVAL;
1085         }
1086
1087         /* create the key/mask */
1088         /*
1089          * NOTE: The WC table will require some kind of flag to handle the
1090          * mode bits within the key/mask
1091          */
1092         for (i = 0; i < num_kflds; i++) {
1093                 /* Setup the key */
1094                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1095                                                       &kflds[i],
1096                                                       &key, 1, "TCAM Key");
1097                 if (rc) {
1098                         BNXT_TF_DBG(ERR, "Key field set failed.\n");
1099                         return rc;
1100                 }
1101
1102                 /* Setup the mask */
1103                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1104                                                       &kflds[i],
1105                                                       &mask, 0, "TCAM Mask");
1106                 if (rc) {
1107                         BNXT_TF_DBG(ERR, "Mask field set failed.\n");
1108                         return rc;
1109                 }
1110         }
1111
1112         aparms.dir              = tbl->direction;
1113         aparms.tcam_tbl_type    = tbl->resource_type;
1114         aparms.search_enable    = tbl->srch_b4_alloc;
1115         aparms.key_sz_in_bits   = tbl->key_bit_size;
1116         aparms.key              = ulp_blob_data_get(&key, &tmplen);
1117         if (tbl->key_bit_size != tmplen) {
1118                 BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n",
1119                             tmplen, tbl->key_bit_size);
1120                 return -EINVAL;
1121         }
1122
1123         aparms.mask             = ulp_blob_data_get(&mask, &tmplen);
1124         if (tbl->key_bit_size != tmplen) {
1125                 BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n",
1126                             tmplen, tbl->key_bit_size);
1127                 return -EINVAL;
1128         }
1129
1130         aparms.priority         = tbl->priority;
1131
1132         /*
1133          * All failures after this succeeds require the entry to be freed.
1134          * cannot return directly on failure, but needs to goto error
1135          */
1136         rc = tf_alloc_tcam_entry(tfp, &aparms);
1137         if (rc) {
1138                 BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
1139                 return rc;
1140         }
1141
1142         hit = aparms.hit;
1143
1144         /* Build the result */
1145         if (!tbl->srch_b4_alloc || !hit) {
1146                 struct bnxt_ulp_mapper_result_field_info *dflds;
1147                 struct bnxt_ulp_mapper_ident_info *idents;
1148                 uint32_t num_dflds, num_idents;
1149
1150                 /*
1151                  * Since the cache entry is responsible for allocating
1152                  * identifiers when in use, allocate the identifiers only
1153                  * during normal processing.
1154                  */
1155                 if (parms->tcam_tbl_opc ==
1156                     BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1157                         idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1158
1159                         for (i = 0; i < num_idents; i++) {
1160                                 rc = ulp_mapper_ident_process(parms, tbl,
1161                                                               &idents[i], NULL);
1162                                 /* Already logged the error, just return */
1163                                 if (rc)
1164                                         goto error;
1165                         }
1166                 }
1167
1168                 /* Create the result data blob */
1169                 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1170                 if (!dflds || !num_dflds) {
1171                         BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1172                         rc = -EINVAL;
1173                         goto error;
1174                 }
1175
1176                 for (i = 0; i < num_dflds; i++) {
1177                         rc = ulp_mapper_result_field_process(parms,
1178                                                              tbl->direction,
1179                                                              &dflds[i],
1180                                                              &data,
1181                                                              "TCAM Result");
1182                         if (rc) {
1183                                 BNXT_TF_DBG(ERR, "Failed to set data fields\n");
1184                                 goto error;
1185                         }
1186                 }
1187
1188                 sparms.dir              = aparms.dir;
1189                 sparms.tcam_tbl_type    = aparms.tcam_tbl_type;
1190                 sparms.idx              = aparms.idx;
1191                 /* Already verified the key/mask lengths */
1192                 sparms.key              = ulp_blob_data_get(&key, &tmplen);
1193                 sparms.mask             = ulp_blob_data_get(&mask, &tmplen);
1194                 sparms.key_sz_in_bits   = tbl->key_bit_size;
1195                 sparms.result           = ulp_blob_data_get(&data, &tmplen);
1196
1197                 if (tbl->result_bit_size != tmplen) {
1198                         BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n",
1199                                     tmplen, tbl->result_bit_size);
1200                         rc = -EINVAL;
1201                         goto error;
1202                 }
1203                 sparms.result_sz_in_bits = tbl->result_bit_size;
1204
1205                 rc = tf_set_tcam_entry(tfp, &sparms);
1206                 if (rc) {
1207                         BNXT_TF_DBG(ERR, "tcam[%d][%s][%d] write failed.\n",
1208                                     sparms.tcam_tbl_type,
1209                                     (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1210                                     sparms.idx);
1211                         goto error;
1212                 }
1213
1214                 /* Update cache with TCAM index if the was cache allocated. */
1215                 if (parms->tcam_tbl_opc ==
1216                     BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC) {
1217                         if (!parms->cache_ptr) {
1218                                 BNXT_TF_DBG(ERR, "Unable to update cache");
1219                                 rc = -EINVAL;
1220                                 goto error;
1221                         }
1222                         parms->cache_ptr->tcam_idx = aparms.idx;
1223                 }
1224
1225                 /* Mark action */
1226                 rc = ulp_mapper_mark_act_ptr_process(parms, tbl);
1227                 if (rc)
1228                         goto error;
1229
1230         } else {
1231                 BNXT_TF_DBG(ERR, "Not supporting search before alloc now\n");
1232                 rc = -EINVAL;
1233                 goto error;
1234         }
1235
1236         /*
1237          * Only link the entry to the flow db in the event that cache was not
1238          * used.
1239          */
1240         if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1241                 fid_parms.direction = tbl->direction;
1242                 fid_parms.resource_func = tbl->resource_func;
1243                 fid_parms.resource_type = tbl->resource_type;
1244                 fid_parms.critical_resource = tbl->critical_resource;
1245                 fid_parms.resource_hndl = aparms.idx;
1246                 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1247                                               parms->tbl_idx,
1248                                               parms->fid,
1249                                               &fid_parms);
1250                 if (rc) {
1251                         BNXT_TF_DBG(ERR,
1252                                     "Failed to link resource to flow rc = %d\n",
1253                                     rc);
1254                         /* Need to free the identifier, so goto error */
1255                         goto error;
1256                 }
1257         } else {
1258                 /*
1259                  * Reset the tcam table opcode to normal in case the next tcam
1260                  * entry does not use cache.
1261                  */
1262                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1263                 parms->cache_ptr = NULL;
1264         }
1265
1266         return 0;
1267 error:
1268         parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1269         free_parms.dir                  = tbl->direction;
1270         free_parms.tcam_tbl_type        = tbl->resource_type;
1271         free_parms.idx                  = aparms.idx;
1272         trc = tf_free_tcam_entry(tfp, &free_parms);
1273         if (trc)
1274                 BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n",
1275                             tbl->resource_type, tbl->direction, aparms.idx);
1276
1277         return rc;
1278 }
1279
1280 static int32_t
1281 ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1282                           struct bnxt_ulp_mapper_tbl_info *tbl)
1283 {
1284         struct bnxt_ulp_mapper_class_key_field_info     *kflds;
1285         struct bnxt_ulp_mapper_result_field_info *dflds;
1286         struct ulp_blob key, data;
1287         uint32_t i, num_kflds, num_dflds;
1288         uint16_t tmplen;
1289         struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1290         struct ulp_flow_db_res_params   fid_parms = { 0 };
1291         struct tf_insert_em_entry_parms iparms = { 0 };
1292         struct tf_delete_em_entry_parms free_parms = { 0 };
1293         int32_t trc;
1294         enum bnxt_ulp_flow_mem_type mtype = parms->device_params->flow_mem_type;
1295         int32_t rc = 0;
1296
1297         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1298         if (!kflds || !num_kflds) {
1299                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1300                 return -EINVAL;
1301         }
1302
1303         /* Initialize the key/result blobs */
1304         if (!ulp_blob_init(&key, tbl->blob_key_bit_size,
1305                            parms->device_params->byte_order) ||
1306             !ulp_blob_init(&data, tbl->result_bit_size,
1307                            parms->device_params->byte_order)) {
1308                 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1309                 return -EINVAL;
1310         }
1311
1312         /* create the key */
1313         for (i = 0; i < num_kflds; i++) {
1314                 /* Setup the key */
1315                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1316                                                       &kflds[i],
1317                                                       &key, 1, "EM Key");
1318                 if (rc) {
1319                         BNXT_TF_DBG(ERR, "Key field set failed.\n");
1320                         return rc;
1321                 }
1322         }
1323
1324         /*
1325          * TBD: Normally should process identifiers in case of using recycle or
1326          * loopback.  Not supporting recycle for now.
1327          */
1328
1329         /* Create the result data blob */
1330         dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1331         if (!dflds || !num_dflds) {
1332                 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1333                 return -EINVAL;
1334         }
1335
1336         for (i = 0; i < num_dflds; i++) {
1337                 struct bnxt_ulp_mapper_result_field_info *fld;
1338
1339                 fld = &dflds[i];
1340
1341                 rc = ulp_mapper_result_field_process(parms,
1342                                                      tbl->direction,
1343                                                      fld,
1344                                                      &data,
1345                                                      "EM Result");
1346                 if (rc) {
1347                         BNXT_TF_DBG(ERR, "Failed to set data fields.\n");
1348                         return rc;
1349                 }
1350         }
1351 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
1352         ulp_mapper_result_dump("EEM Result", tbl, &data);
1353 #endif
1354
1355         /* do the transpose for the internal EM keys */
1356         if (tbl->resource_type == TF_MEM_INTERNAL)
1357                 ulp_blob_perform_byte_reverse(&key);
1358
1359         rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
1360                                              &iparms.tbl_scope_id);
1361         if (rc) {
1362                 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1363                 return rc;
1364         }
1365
1366         /*
1367          * NOTE: the actual blob size will differ from the size in the tbl
1368          * entry due to the padding.
1369          */
1370         iparms.dup_check                = 0;
1371         iparms.dir                      = tbl->direction;
1372         iparms.mem                      = tbl->resource_type;
1373         iparms.key                      = ulp_blob_data_get(&key, &tmplen);
1374         iparms.key_sz_in_bits           = tbl->key_bit_size;
1375         iparms.em_record                = ulp_blob_data_get(&data, &tmplen);
1376         iparms.em_record_sz_in_bits     = tbl->result_bit_size;
1377
1378         rc = tf_insert_em_entry(tfp, &iparms);
1379         if (rc) {
1380                 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
1381                 return rc;
1382         }
1383
1384         /* Mark action process */
1385         if (mtype == BNXT_ULP_FLOW_MEM_TYPE_EXT &&
1386             tbl->resource_type == TF_MEM_EXTERNAL)
1387                 rc = ulp_mapper_mark_gfid_process(parms, tbl, iparms.flow_id);
1388         else if (mtype == BNXT_ULP_FLOW_MEM_TYPE_INT &&
1389                  tbl->resource_type == TF_MEM_INTERNAL)
1390                 rc = ulp_mapper_mark_act_ptr_process(parms, tbl);
1391         if (rc) {
1392                 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1393                 goto error;
1394         }
1395
1396         /* Link the EM resource to the flow in the flow db */
1397         memset(&fid_parms, 0, sizeof(fid_parms));
1398         fid_parms.direction             = tbl->direction;
1399         fid_parms.resource_func         = tbl->resource_func;
1400         fid_parms.resource_type         = tbl->resource_type;
1401         fid_parms.critical_resource     = tbl->critical_resource;
1402         fid_parms.resource_hndl         = iparms.flow_handle;
1403
1404         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1405                                       parms->tbl_idx,
1406                                       parms->fid,
1407                                       &fid_parms);
1408         if (rc) {
1409                 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1410                             rc);
1411                 /* Need to free the identifier, so goto error */
1412                 goto error;
1413         }
1414
1415         return 0;
1416 error:
1417         free_parms.dir          = iparms.dir;
1418         free_parms.mem          = iparms.mem;
1419         free_parms.tbl_scope_id = iparms.tbl_scope_id;
1420         free_parms.flow_handle  = iparms.flow_handle;
1421
1422         trc = tf_delete_em_entry(tfp, &free_parms);
1423         if (trc)
1424                 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
1425
1426         return rc;
1427 }
1428
1429 static int32_t
1430 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1431                              struct bnxt_ulp_mapper_tbl_info *tbl,
1432                              bool is_class_tbl)
1433 {
1434         struct bnxt_ulp_mapper_result_field_info *flds;
1435         struct ulp_flow_db_res_params   fid_parms;
1436         struct ulp_blob data;
1437         uint64_t idx;
1438         uint16_t tmplen;
1439         uint32_t i, num_flds;
1440         int32_t rc = 0, trc = 0;
1441         struct tf_alloc_tbl_entry_parms aparms = { 0 };
1442         struct tf_set_tbl_entry_parms   sparms = { 0 };
1443         struct tf_free_tbl_entry_parms  free_parms = { 0 };
1444         uint32_t tbl_scope_id;
1445         struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1446         uint16_t bit_size;
1447         uint32_t encap_flds = 0;
1448
1449         /* Get the scope id first */
1450         rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
1451         if (rc) {
1452                 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1453                 return rc;
1454         }
1455
1456         /* use the max size if encap is enabled */
1457         if (tbl->encap_num_fields)
1458                 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS;
1459         else
1460                 bit_size = tbl->result_bit_size;
1461
1462         /* Initialize the blob data */
1463         if (!ulp_blob_init(&data, bit_size,
1464                            parms->device_params->byte_order)) {
1465                 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
1466                 return -EINVAL;
1467         }
1468
1469         /* Get the result fields list */
1470         if (is_class_tbl)
1471                 flds = ulp_mapper_result_fields_get(tbl, &num_flds);
1472         else
1473                 flds = ulp_mapper_act_result_fields_get(tbl, &num_flds,
1474                                                         &encap_flds);
1475
1476         if (!flds || (!num_flds && !encap_flds)) {
1477                 BNXT_TF_DBG(ERR, "template undefined for the index table\n");
1478                 return -EINVAL;
1479         }
1480
1481         /* process the result fields, loop through them */
1482         for (i = 0; i < (num_flds + encap_flds); i++) {
1483                 /* set the swap index if encap swap bit is enabled */
1484                 if (parms->device_params->encap_byte_swap && encap_flds &&
1485                     (i == num_flds))
1486                         ulp_blob_encap_swap_idx_set(&data);
1487
1488                 /* Process the result fields */
1489                 rc = ulp_mapper_result_field_process(parms,
1490                                                      tbl->direction,
1491                                                      &flds[i],
1492                                                      &data,
1493                                                      "Indexed Result");
1494                 if (rc) {
1495                         BNXT_TF_DBG(ERR, "data field failed\n");
1496                         return rc;
1497                 }
1498         }
1499
1500         /* if encap bit swap is enabled perform the bit swap */
1501         if (parms->device_params->encap_byte_swap && encap_flds) {
1502                 ulp_blob_perform_encap_swap(&data);
1503 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
1504                 BNXT_TF_DBG(INFO, "Dump after encap swap\n");
1505                 ulp_mapper_blob_dump(&data);
1506 #endif
1507         }
1508
1509         /* Perform the tf table allocation by filling the alloc params */
1510         aparms.dir              = tbl->direction;
1511         aparms.type             = tbl->resource_type;
1512         aparms.search_enable    = tbl->srch_b4_alloc;
1513         aparms.result           = ulp_blob_data_get(&data, &tmplen);
1514         aparms.result_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1515         aparms.tbl_scope_id     = tbl_scope_id;
1516
1517         /* All failures after the alloc succeeds require a free */
1518         rc = tf_alloc_tbl_entry(tfp, &aparms);
1519         if (rc) {
1520                 BNXT_TF_DBG(ERR, "Alloc table[%d][%s] failed rc=%d\n",
1521                             aparms.type,
1522                             (aparms.dir == TF_DIR_RX) ? "RX" : "TX",
1523                             rc);
1524                 return rc;
1525         }
1526
1527         /*
1528          * calculate the idx for the result record, for external EM the offset
1529          * needs to be shifted accordingly. If external non-inline table types
1530          * are used then need to revisit this logic.
1531          */
1532         if (aparms.type == TF_TBL_TYPE_EXT)
1533                 idx = TF_ACT_REC_OFFSET_2_PTR(aparms.idx);
1534         else
1535                 idx = aparms.idx;
1536
1537         /* Always storing values in Regfile in BE */
1538         idx = tfp_cpu_to_be_64(idx);
1539         rc = ulp_regfile_write(parms->regfile, tbl->regfile_idx, idx);
1540         if (!rc) {
1541                 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
1542                             tbl->regfile_idx);
1543                 goto error;
1544         }
1545
1546         /* Perform the tf table set by filling the set params */
1547         if (!tbl->srch_b4_alloc || !aparms.hit) {
1548                 sparms.dir              = tbl->direction;
1549                 sparms.type             = tbl->resource_type;
1550                 sparms.data             = ulp_blob_data_get(&data, &tmplen);
1551                 sparms.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1552                 sparms.idx              = aparms.idx;
1553                 sparms.tbl_scope_id     = tbl_scope_id;
1554
1555                 rc = tf_set_tbl_entry(tfp, &sparms);
1556                 if (rc) {
1557                         BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
1558                                     sparms.type,
1559                                     (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1560                                     sparms.idx,
1561                                     rc);
1562                         goto error;
1563                 }
1564         }
1565
1566         /* Link the resource to the flow in the flow db */
1567         memset(&fid_parms, 0, sizeof(fid_parms));
1568         fid_parms.direction     = tbl->direction;
1569         fid_parms.resource_func = tbl->resource_func;
1570         fid_parms.resource_type = tbl->resource_type;
1571         fid_parms.resource_hndl = aparms.idx;
1572         fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1573
1574         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1575                                       parms->tbl_idx,
1576                                       parms->fid,
1577                                       &fid_parms);
1578         if (rc) {
1579                 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
1580                             rc);
1581                 goto error;
1582         }
1583
1584         /* Perform the VF rep action */
1585         rc = ulp_mapper_mark_vfr_idx_process(parms, tbl);
1586         if (rc) {
1587                 BNXT_TF_DBG(ERR, "Failed to add vfr mark rc = %d\n", rc);
1588                 goto error;
1589         }
1590         return rc;
1591 error:
1592         /*
1593          * Free the allocated resource since we failed to either
1594          * write to the entry or link the flow
1595          */
1596         free_parms.dir  = tbl->direction;
1597         free_parms.type = tbl->resource_type;
1598         free_parms.idx  = aparms.idx;
1599         free_parms.tbl_scope_id = tbl_scope_id;
1600
1601         trc = tf_free_tbl_entry(tfp, &free_parms);
1602         if (trc)
1603                 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
1604
1605         return rc;
1606 }
1607
1608 static int32_t
1609 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1610                              struct bnxt_ulp_mapper_tbl_info *tbl)
1611 {
1612         struct bnxt_ulp_mapper_class_key_field_info *kflds;
1613         struct bnxt_ulp_mapper_cache_entry *cache_entry;
1614         struct bnxt_ulp_mapper_ident_info *idents;
1615         uint32_t i, num_kflds = 0, num_idents = 0;
1616         struct ulp_flow_db_res_params fid_parms;
1617         struct tf_free_identifier_parms fparms;
1618         uint16_t tmplen, tmp_ident;
1619         struct ulp_blob key;
1620         uint8_t *cache_key;
1621         uint64_t regval;
1622         uint16_t *ckey;
1623         int32_t rc;
1624
1625         /* Get the key fields list and build the key. */
1626         kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1627         if (!kflds || !num_kflds) {
1628                 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1629                 return -EINVAL;
1630         }
1631         if (!ulp_blob_init(&key, tbl->key_bit_size,
1632                            parms->device_params->byte_order)) {
1633                 BNXT_TF_DBG(ERR, "Failed to alloc blob\n");
1634                 return -EINVAL;
1635         }
1636         for (i = 0; i < num_kflds; i++) {
1637                 /* Setup the key */
1638                 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1639                                                       &kflds[i],
1640                                                       &key, 1, "Cache Key");
1641                 if (rc) {
1642                         BNXT_TF_DBG(ERR,
1643                                     "Failed to create key for Cache rc=%d\n",
1644                                     rc);
1645                         return -EINVAL;
1646                 }
1647         }
1648
1649         /*
1650          * Perform the lookup in the cache table with constructed key.  The
1651          * cache_key is a byte array of tmplen, it needs to be converted to a
1652          * index for the cache table.
1653          */
1654         cache_key = ulp_blob_data_get(&key, &tmplen);
1655         ckey = (uint16_t *)cache_key;
1656
1657         /*
1658          * The id computed based on resource sub type and direction where
1659          * dir is the bit0 and rest of the bits come from resource
1660          * sub type.
1661          */
1662         cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx,
1663                                                  (tbl->resource_sub_type << 1 |
1664                                                  (tbl->direction & 0x1)),
1665                                                  *ckey);
1666
1667         /*
1668          * Get the identifier list for processing by both the hit and miss
1669          * processing.
1670          */
1671         idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1672
1673         if (!cache_entry->ref_count) {
1674                 /* Initialize the cache entry */
1675                 cache_entry->tcam_idx = 0;
1676                 cache_entry->ref_count = 0;
1677                 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++)
1678                         cache_entry->idents[i] = ULP_IDENTS_INVALID;
1679
1680                 /* Need to allocate identifiers for storing in the cache. */
1681                 for (i = 0; i < num_idents; i++) {
1682                         /*
1683                          * Since we are using the cache, the identifier does not
1684                          * get added to the flow db.  Pass in the pointer to the
1685                          * tmp_ident.
1686                          */
1687                         rc = ulp_mapper_ident_process(parms, tbl,
1688                                                       &idents[i], &tmp_ident);
1689                         if (rc)
1690                                 goto error;
1691
1692                         cache_entry->ident_types[i] = idents[i].ident_type;
1693                         cache_entry->idents[i] = tmp_ident;
1694                 }
1695
1696                 /* Tell the TCAM processor to alloc an entry */
1697                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC;
1698                 /* Store the cache key for use by the tcam process code */
1699                 parms->cache_ptr = cache_entry;
1700         } else {
1701                 /* Cache hit, get values from result. */
1702                 for (i = 0; i < num_idents; i++) {
1703                         regval = (uint64_t)cache_entry->idents[i];
1704                         if (!ulp_regfile_write(parms->regfile,
1705                                                idents[i].regfile_idx,
1706                                                tfp_cpu_to_be_64(regval))) {
1707                                 BNXT_TF_DBG(ERR,
1708                                             "Failed to write to regfile\n");
1709                                 return -EINVAL;
1710                         }
1711                 }
1712                 /*
1713                  * The cached entry is being used, so let the tcam processing
1714                  * know not to process this table.
1715                  */
1716                 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP;
1717         }
1718
1719         /* Made through the cache processing, increment the reference count. */
1720         cache_entry->ref_count++;
1721
1722         /* Link the cache to the flow db. */
1723         memset(&fid_parms, 0, sizeof(fid_parms));
1724         fid_parms.direction = tbl->direction;
1725         fid_parms.resource_func = tbl->resource_func;
1726
1727         /*
1728          * Cache resource type is composed of table_type, resource
1729          * sub type and direction, it needs to set appropriately via setter.
1730          */
1731         ulp_mapper_cache_res_type_set(&fid_parms,
1732                                       tbl->resource_type,
1733                                       (tbl->resource_sub_type << 1 |
1734                                        (tbl->direction & 0x1)));
1735         fid_parms.resource_hndl = (uint64_t)*ckey;
1736         fid_parms.critical_resource = tbl->critical_resource;
1737         rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1738                                       parms->tbl_idx,
1739                                       parms->fid,
1740                                       &fid_parms);
1741         if (rc)
1742                 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n");
1743
1744         return rc;
1745 error:
1746         /*
1747          * This error handling only gets called when the idents are being
1748          * allocated for the cache on misses.  Using the num_idents that was
1749          * previously set.
1750          */
1751         for (i = 0; i < num_idents; i++) {
1752                 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
1753                         continue;
1754
1755                 fparms.dir = tbl->direction;
1756                 fparms.ident_type = idents[i].ident_type;
1757                 fparms.id = cache_entry->idents[i];
1758                 tf_free_identifier(parms->tfp, &fparms);
1759         }
1760
1761         return rc;
1762 }
1763
1764 static int32_t
1765 ulp_mapper_glb_resource_info_init(struct tf *tfp,
1766                                   struct bnxt_ulp_mapper_data *mapper_data)
1767 {
1768         struct bnxt_ulp_glb_resource_info *glb_res;
1769         uint32_t num_glb_res_ids, idx;
1770         int32_t rc = 0;
1771
1772         glb_res = ulp_mapper_glb_resource_info_list_get(&num_glb_res_ids);
1773         if (!glb_res || !num_glb_res_ids) {
1774                 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
1775                 return -EINVAL;
1776         }
1777
1778         /* Iterate the global resources and process each one */
1779         for (idx = 0; idx < num_glb_res_ids; idx++) {
1780                 switch (glb_res[idx].resource_func) {
1781                 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1782                         rc = ulp_mapper_resource_ident_allocate(tfp,
1783                                                                 mapper_data,
1784                                                                 &glb_res[idx]);
1785                         break;
1786                 default:
1787                         BNXT_TF_DBG(ERR, "Global resource %x not supported\n",
1788                                     glb_res[idx].resource_func);
1789                         break;
1790                 }
1791         }
1792         return rc;
1793 }
1794
1795 /*
1796  * Function to process the action template. Iterate through the list
1797  * action info templates and process it.
1798  */
1799 static int32_t
1800 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1801 {
1802         uint32_t        i;
1803         int32_t         rc = 0;
1804         struct bnxt_ulp_mapper_tbl_info *tbl;
1805
1806         if (!parms->atbls || !parms->num_atbls) {
1807                 BNXT_TF_DBG(ERR, "No action tables for template[%d][%d].\n",
1808                             parms->dev_id, parms->act_tid);
1809                 return -EINVAL;
1810         }
1811
1812         for (i = 0; i < parms->num_atbls; i++) {
1813                 tbl = &parms->atbls[i];
1814                 switch (tbl->resource_func) {
1815                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1816                         rc = ulp_mapper_index_tbl_process(parms, tbl, false);
1817                         if (rc) {
1818                                 BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1819                                             tbl->resource_func);
1820                                 return rc;
1821                         }
1822                         break;
1823                 default:
1824                         BNXT_TF_DBG(ERR, "Unexpected action resource %d\n",
1825                                     tbl->resource_func);
1826                         return -EINVAL;
1827                 }
1828         }
1829
1830         return rc;
1831 }
1832
1833 /* Create the classifier table entries for a flow. */
1834 static int32_t
1835 ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1836 {
1837         uint32_t        i;
1838         int32_t         rc = 0;
1839
1840         if (!parms)
1841                 return -EINVAL;
1842
1843         if (!parms->ctbls || !parms->num_ctbls) {
1844                 BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n",
1845                             parms->dev_id, parms->class_tid);
1846                 return -EINVAL;
1847         }
1848
1849         for (i = 0; i < parms->num_ctbls; i++) {
1850                 struct bnxt_ulp_mapper_tbl_info *tbl = &parms->ctbls[i];
1851
1852                 switch (tbl->resource_func) {
1853                 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1854                         rc = ulp_mapper_tcam_tbl_process(parms, tbl);
1855                         break;
1856                 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1857                         rc = ulp_mapper_em_tbl_process(parms, tbl);
1858                         break;
1859                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1860                         rc = ulp_mapper_index_tbl_process(parms, tbl, true);
1861                         break;
1862                 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1863                         rc = ulp_mapper_cache_tbl_process(parms, tbl);
1864                         break;
1865                 default:
1866                         BNXT_TF_DBG(ERR, "Unexpected class resource %d\n",
1867                                     tbl->resource_func);
1868                         return -EINVAL;
1869                 }
1870
1871                 if (rc) {
1872                         BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1873                                     tbl->resource_func);
1874                         return rc;
1875                 }
1876         }
1877
1878         return rc;
1879 }
1880
1881 static int32_t
1882 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
1883                          struct ulp_flow_db_res_params *res)
1884 {
1885         struct tf *tfp;
1886         int32_t rc = 0;
1887
1888         if (!res || !ulp) {
1889                 BNXT_TF_DBG(ERR, "Unable to free resource\n ");
1890                 return -EINVAL;
1891         }
1892
1893         tfp = bnxt_ulp_cntxt_tfp_get(ulp);
1894         if (!tfp) {
1895                 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n");
1896                 return -EINVAL;
1897         }
1898
1899         switch (res->resource_func) {
1900         case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1901                 rc = ulp_mapper_cache_entry_free(ulp, tfp, res);
1902                 break;
1903         case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1904                 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
1905                 break;
1906         case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1907                 rc = ulp_mapper_eem_entry_free(ulp, tfp, res);
1908                 break;
1909         case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1910                 rc = ulp_mapper_index_entry_free(ulp, tfp, res);
1911                 break;
1912         case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1913                 rc = ulp_mapper_ident_free(ulp, tfp, res);
1914                 break;
1915         case BNXT_ULP_RESOURCE_FUNC_HW_FID:
1916                 rc = ulp_mapper_mark_free(ulp, res);
1917                 break;
1918         default:
1919                 break;
1920         }
1921
1922         return rc;
1923 }
1924
1925 int32_t
1926 ulp_mapper_resources_free(struct bnxt_ulp_context       *ulp_ctx,
1927                           uint32_t fid,
1928                           enum bnxt_ulp_flow_db_tables  tbl_type)
1929 {
1930         struct ulp_flow_db_res_params   res_parms = { 0 };
1931         int32_t                         rc, trc;
1932
1933         if (!ulp_ctx) {
1934                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1935                 return -EINVAL;
1936         }
1937
1938         /*
1939          * Set the critical resource on the first resource del, then iterate
1940          * while status is good
1941          */
1942         res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_YES;
1943         rc = ulp_flow_db_resource_del(ulp_ctx, tbl_type, fid, &res_parms);
1944
1945         if (rc) {
1946                 /*
1947                  * This is unexpected on the first call to resource del.
1948                  * It likely means that the flow did not exist in the flow db.
1949                  */
1950                 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n",
1951                             tbl_type, fid, rc);
1952                 return rc;
1953         }
1954
1955         while (!rc) {
1956                 trc = ulp_mapper_resource_free(ulp_ctx, &res_parms);
1957                 if (trc)
1958                         /*
1959                          * On fail, we still need to attempt to free the
1960                          * remaining resources.  Don't return
1961                          */
1962                         BNXT_TF_DBG(ERR,
1963                                     "Flow[%d][0x%x] Res[%d][0x%016" PRIx64
1964                                     "] failed rc=%d.\n",
1965                                     tbl_type, fid, res_parms.resource_func,
1966                                     res_parms.resource_hndl, trc);
1967
1968                 /* All subsequent call require the non-critical_resource */
1969                 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1970
1971                 rc = ulp_flow_db_resource_del(ulp_ctx,
1972                                               tbl_type,
1973                                               fid,
1974                                               &res_parms);
1975         }
1976
1977         /* Free the Flow ID since we've removed all resources */
1978         rc = ulp_flow_db_fid_free(ulp_ctx, tbl_type, fid);
1979
1980         return rc;
1981 }
1982
1983 static void
1984 ulp_mapper_glb_resource_info_deinit(struct bnxt_ulp_context *ulp_ctx,
1985                                     struct bnxt_ulp_mapper_data *mapper_data)
1986 {
1987         struct bnxt_ulp_mapper_glb_resource_entry *ent;
1988         struct ulp_flow_db_res_params res;
1989         uint32_t dir, idx;
1990
1991         /* Iterate the global resources and process each one */
1992         for (dir = TF_DIR_RX; dir < TF_DIR_MAX; dir++) {
1993                 for (idx = 0; idx < BNXT_ULP_GLB_RESOURCE_INFO_TBL_MAX_SZ;
1994                       idx++) {
1995                         ent = &mapper_data->glb_res_tbl[dir][idx];
1996                         if (ent->resource_func ==
1997                             BNXT_ULP_RESOURCE_FUNC_INVALID)
1998                                 continue;
1999                         memset(&res, 0, sizeof(struct ulp_flow_db_res_params));
2000                         res.resource_func = ent->resource_func;
2001                         res.direction = dir;
2002                         res.resource_type = ent->resource_type;
2003                         res.resource_hndl = ent->resource_hndl;
2004                         ulp_mapper_resource_free(ulp_ctx, &res);
2005                 }
2006         }
2007 }
2008
2009 int32_t
2010 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid)
2011 {
2012         if (!ulp_ctx) {
2013                 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
2014                 return -EINVAL;
2015         }
2016
2017         return ulp_mapper_resources_free(ulp_ctx,
2018                                          fid,
2019                                          BNXT_ULP_REGULAR_FLOW_TABLE);
2020 }
2021
2022 /* Function to handle the mapping of the Flow to be compatible
2023  * with the underlying hardware.
2024  */
2025 int32_t
2026 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
2027                        struct bnxt_ulp_mapper_create_parms *cparms,
2028                        uint32_t *flowid)
2029 {
2030         struct bnxt_ulp_mapper_parms parms;
2031         struct ulp_regfile regfile;
2032         int32_t  rc, trc;
2033
2034         if (!ulp_ctx || !cparms)
2035                 return -EINVAL;
2036
2037         /* Initialize the parms structure */
2038         memset(&parms, 0, sizeof(parms));
2039         parms.act_prop = cparms->act_prop;
2040         parms.act_bitmap = cparms->act;
2041         parms.regfile = &regfile;
2042         parms.hdr_field = cparms->hdr_field;
2043         parms.comp_fld = cparms->comp_fld;
2044         parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2045         parms.ulp_ctx = ulp_ctx;
2046         parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
2047
2048         /* Get the device id from the ulp context */
2049         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) {
2050                 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
2051                 return -EINVAL;
2052         }
2053
2054         /*
2055          * Get the mapper data for dynamic mapper data such as default
2056          * ids.
2057          */
2058         parms.mapper_data = (struct bnxt_ulp_mapper_data *)
2059                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2060         if (!parms.mapper_data) {
2061                 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
2062                 return -EINVAL;
2063         }
2064
2065         /* Get the action table entry from device id and act context id */
2066         parms.act_tid = cparms->act_tid;
2067         parms.atbls = ulp_mapper_action_tbl_list_get(parms.dev_id,
2068                                                      parms.act_tid,
2069                                                      &parms.num_atbls);
2070         if (!parms.atbls || !parms.num_atbls) {
2071                 BNXT_TF_DBG(ERR, "No action tables for %d:%d\n",
2072                             parms.dev_id, parms.act_tid);
2073                 return -EINVAL;
2074         }
2075
2076         /* Get the class table entry from device id and act context id */
2077         parms.class_tid = cparms->class_tid;
2078         parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id,
2079                                                     parms.class_tid,
2080                                                     &parms.num_ctbls);
2081         if (!parms.ctbls || !parms.num_ctbls) {
2082                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2083                             parms.dev_id, parms.class_tid);
2084                 return -EINVAL;
2085         }
2086
2087         /* Get the device params, it will be used in later processing */
2088         parms.device_params = bnxt_ulp_device_params_get(parms.dev_id);
2089         if (!parms.device_params) {
2090                 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2091                             parms.dev_id, parms.class_tid);
2092                 return -EINVAL;
2093         }
2094
2095         /* initialize the registry file for further processing */
2096         if (!ulp_regfile_init(parms.regfile)) {
2097                 BNXT_TF_DBG(ERR, "regfile initialization failed.\n");
2098                 return -EINVAL;
2099         }
2100
2101         rc = ulp_regfile_write(parms.regfile,
2102                                BNXT_ULP_REGFILE_INDEX_CLASS_TID,
2103                                tfp_cpu_to_be_64((uint64_t)parms.class_tid));
2104         if (!rc) {
2105                 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n");
2106                 return -EINVAL;
2107         }
2108
2109         /* Allocate a Flow ID for attaching all resources for the flow to.
2110          * Once allocated, all errors have to walk the list of resources and
2111          * free each of them.
2112          */
2113         rc = ulp_flow_db_fid_alloc(ulp_ctx,
2114                                    BNXT_ULP_REGULAR_FLOW_TABLE,
2115                                    cparms->func_id,
2116                                    &parms.fid);
2117         if (rc) {
2118                 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n");
2119                 return rc;
2120         }
2121
2122         /* Process the action template list from the selected action table*/
2123         rc = ulp_mapper_action_tbls_process(&parms);
2124         if (rc) {
2125                 BNXT_TF_DBG(ERR, "action tables failed creation for %d:%d\n",
2126                             parms.dev_id, parms.act_tid);
2127                 goto flow_error;
2128         }
2129
2130         /* All good. Now process the class template */
2131         rc = ulp_mapper_class_tbls_process(&parms);
2132         if (rc) {
2133                 BNXT_TF_DBG(ERR, "class tables failed creation for %d:%d\n",
2134                             parms.dev_id, parms.class_tid);
2135                 goto flow_error;
2136         }
2137
2138         *flowid = parms.fid;
2139
2140         return rc;
2141
2142 flow_error:
2143         /* Free all resources that were allocated during flow creation */
2144         trc = ulp_mapper_flow_destroy(ulp_ctx, parms.fid);
2145         if (trc)
2146                 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc);
2147
2148         return rc;
2149 }
2150
2151 int32_t
2152 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx)
2153 {
2154         struct bnxt_ulp_cache_tbl_params *tbl;
2155         struct bnxt_ulp_mapper_data *data;
2156         uint32_t i;
2157         struct tf *tfp;
2158         int32_t rc, csize;
2159
2160         if (!ulp_ctx)
2161                 return -EINVAL;
2162
2163         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2164         if (!tfp)
2165                 return -EINVAL;
2166
2167         data = rte_zmalloc("ulp_mapper_data",
2168                            sizeof(struct bnxt_ulp_mapper_data), 0);
2169         if (!data) {
2170                 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n");
2171                 return -ENOMEM;
2172         }
2173
2174         if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) {
2175                 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n");
2176                 /* Don't call deinit since the prof_func wasn't allocated. */
2177                 rte_free(data);
2178                 return -ENOMEM;
2179         }
2180
2181         /* Allocate the global resource ids */
2182         rc = ulp_mapper_glb_resource_info_init(tfp, data);
2183         if (rc) {
2184                 BNXT_TF_DBG(ERR, "Failed to initialize global resource ids\n");
2185                 goto error;
2186         }
2187
2188         /* Allocate the ulp cache tables. */
2189         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2190                 tbl = ulp_mapper_cache_tbl_params_get(i);
2191                 if (!tbl) {
2192                         BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)",
2193                                     i);
2194                         goto error;
2195                 }
2196                 if (tbl->num_entries != 0) {
2197                         csize = sizeof(struct bnxt_ulp_mapper_cache_entry) *
2198                                 tbl->num_entries;
2199                         data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl",
2200                                                          csize, 0);
2201                         if (!data->cache_tbl[i]) {
2202                                 BNXT_TF_DBG(ERR, "Failed to allocate Cache "
2203                                             "table %d.\n", i);
2204                                 rc = -ENOMEM;
2205                                 goto error;
2206                         }
2207                 }
2208         }
2209
2210         return 0;
2211 error:
2212         /* Ignore the return code in favor of returning the original error. */
2213         ulp_mapper_deinit(ulp_ctx);
2214         return rc;
2215 }
2216
2217 void
2218 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx)
2219 {
2220         struct bnxt_ulp_mapper_data *data;
2221         uint32_t i;
2222         struct tf *tfp;
2223
2224         if (!ulp_ctx) {
2225                 BNXT_TF_DBG(ERR,
2226                             "Failed to acquire ulp context, so data may "
2227                             "not be released.\n");
2228                 return;
2229         }
2230
2231         data = (struct bnxt_ulp_mapper_data *)
2232                 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2233         if (!data) {
2234                 /* Go ahead and return since there is no allocated data. */
2235                 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n");
2236                 return;
2237         }
2238
2239         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2240         if (!tfp) {
2241                 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n");
2242                 /* Free the mapper data regardless of errors. */
2243                 goto free_mapper_data;
2244         }
2245
2246         /* Free the global resource info table entries */
2247         ulp_mapper_glb_resource_info_deinit(ulp_ctx, data);
2248
2249 free_mapper_data:
2250         /* Free the ulp cache tables */
2251         for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2252                 rte_free(data->cache_tbl[i]);
2253                 data->cache_tbl[i] = NULL;
2254         }
2255
2256         rte_free(data);
2257         /* Reset the data pointer within the ulp_ctx. */
2258         bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL);
2259 }