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 #include "tf_util.h" 20 21 static struct bnxt_ulp_glb_resource_info * 22 ulp_mapper_glb_resource_info_list_get(uint32_t *num_entries) 23 { 24 if (!num_entries) 25 return NULL; 26 *num_entries = BNXT_ULP_GLB_RESOURCE_TBL_MAX_SZ; 27 return ulp_glb_resource_tbl; 28 } 29 30 /* 31 * Read the global resource from the mapper global resource list 32 * 33 * The regval is always returned in big-endian. 34 * 35 * returns 0 on success 36 */ 37 static int32_t 38 ulp_mapper_glb_resource_read(struct bnxt_ulp_mapper_data *mapper_data, 39 enum tf_dir dir, 40 uint16_t idx, 41 uint64_t *regval) 42 { 43 if (!mapper_data || !regval || 44 dir >= TF_DIR_MAX || idx >= BNXT_ULP_GLB_REGFILE_INDEX_LAST) 45 return -EINVAL; 46 47 *regval = mapper_data->glb_res_tbl[dir][idx].resource_hndl; 48 return 0; 49 } 50 51 /* 52 * Write a global resource to the mapper global resource list 53 * 54 * The regval value must be in big-endian. 55 * 56 * return 0 on success. 57 */ 58 static int32_t 59 ulp_mapper_glb_resource_write(struct bnxt_ulp_mapper_data *data, 60 struct bnxt_ulp_glb_resource_info *res, 61 uint64_t regval) 62 { 63 struct bnxt_ulp_mapper_glb_resource_entry *ent; 64 65 /* validate the arguments */ 66 if (!data || res->direction >= TF_DIR_MAX || 67 res->glb_regfile_index >= BNXT_ULP_GLB_REGFILE_INDEX_LAST) 68 return -EINVAL; 69 70 /* write to the mapper data */ 71 ent = &data->glb_res_tbl[res->direction][res->glb_regfile_index]; 72 ent->resource_func = res->resource_func; 73 ent->resource_type = res->resource_type; 74 ent->resource_hndl = regval; 75 return 0; 76 } 77 78 /* 79 * Internal function to allocate identity resource and store it in mapper data. 80 * 81 * returns 0 on success 82 */ 83 static int32_t 84 ulp_mapper_resource_ident_allocate(struct bnxt_ulp_context *ulp_ctx, 85 struct bnxt_ulp_mapper_data *mapper_data, 86 struct bnxt_ulp_glb_resource_info *glb_res) 87 { 88 struct tf_alloc_identifier_parms iparms = { 0 }; 89 struct tf_free_identifier_parms fparms; 90 uint64_t regval; 91 struct tf *tfp; 92 int32_t rc = 0; 93 94 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx); 95 if (!tfp) 96 return -EINVAL; 97 98 iparms.ident_type = glb_res->resource_type; 99 iparms.dir = glb_res->direction; 100 101 /* Allocate the Identifier using tf api */ 102 rc = tf_alloc_identifier(tfp, &iparms); 103 if (rc) { 104 BNXT_TF_DBG(ERR, "Failed to alloc identifier [%s][%d]\n", 105 (iparms.dir == TF_DIR_RX) ? "RX" : "TX", 106 iparms.ident_type); 107 return rc; 108 } 109 110 /* entries are stored as big-endian format */ 111 regval = tfp_cpu_to_be_64((uint64_t)iparms.id); 112 /* write to the mapper global resource */ 113 rc = ulp_mapper_glb_resource_write(mapper_data, glb_res, regval); 114 if (rc) { 115 BNXT_TF_DBG(ERR, "Failed to write to global resource id\n"); 116 /* Free the identifier when update failed */ 117 fparms.dir = iparms.dir; 118 fparms.ident_type = iparms.ident_type; 119 fparms.id = iparms.id; 120 tf_free_identifier(tfp, &fparms); 121 return rc; 122 } 123 return rc; 124 } 125 126 /* 127 * Internal function to allocate index tbl resource and store it in mapper data. 128 * 129 * returns 0 on success 130 */ 131 static int32_t 132 ulp_mapper_resource_index_tbl_alloc(struct bnxt_ulp_context *ulp_ctx, 133 struct bnxt_ulp_mapper_data *mapper_data, 134 struct bnxt_ulp_glb_resource_info *glb_res) 135 { 136 struct tf_alloc_tbl_entry_parms aparms = { 0 }; 137 struct tf_free_tbl_entry_parms free_parms = { 0 }; 138 uint64_t regval; 139 struct tf *tfp; 140 uint32_t tbl_scope_id; 141 int32_t rc = 0; 142 143 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx); 144 if (!tfp) 145 return -EINVAL; 146 147 /* Get the scope id */ 148 rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp_ctx, &tbl_scope_id); 149 if (rc) { 150 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc); 151 return rc; 152 } 153 154 aparms.type = glb_res->resource_type; 155 aparms.dir = glb_res->direction; 156 aparms.search_enable = BNXT_ULP_SEARCH_BEFORE_ALLOC_NO; 157 aparms.tbl_scope_id = tbl_scope_id; 158 159 /* Allocate the index tbl using tf api */ 160 rc = tf_alloc_tbl_entry(tfp, &aparms); 161 if (rc) { 162 BNXT_TF_DBG(ERR, "Failed to alloc identifier [%s][%d]\n", 163 (aparms.dir == TF_DIR_RX) ? "RX" : "TX", 164 aparms.type); 165 return rc; 166 } 167 168 /* entries are stored as big-endian format */ 169 regval = tfp_cpu_to_be_64((uint64_t)aparms.idx); 170 /* write to the mapper global resource */ 171 rc = ulp_mapper_glb_resource_write(mapper_data, glb_res, regval); 172 if (rc) { 173 BNXT_TF_DBG(ERR, "Failed to write to global resource id\n"); 174 /* Free the identifier when update failed */ 175 free_parms.dir = aparms.dir; 176 free_parms.type = aparms.type; 177 free_parms.idx = aparms.idx; 178 tf_free_tbl_entry(tfp, &free_parms); 179 return rc; 180 } 181 return rc; 182 } 183 184 /* Retrieve the cache initialization parameters for the tbl_idx */ 185 static struct bnxt_ulp_cache_tbl_params * 186 ulp_mapper_cache_tbl_params_get(uint32_t tbl_idx) 187 { 188 if (tbl_idx >= BNXT_ULP_CACHE_TBL_MAX_SZ) 189 return NULL; 190 191 return &ulp_cache_tbl_params[tbl_idx]; 192 } 193 194 /* Retrieve the global template table */ 195 static uint32_t * 196 ulp_mapper_glb_template_table_get(uint32_t *num_entries) 197 { 198 if (!num_entries) 199 return NULL; 200 *num_entries = BNXT_ULP_GLB_TEMPLATE_TBL_MAX_SZ; 201 return ulp_glb_template_tbl; 202 } 203 204 /* 205 * Get the size of the action property for a given index. 206 * 207 * idx [in] The index for the action property 208 * 209 * returns the size of the action property. 210 */ 211 static uint32_t 212 ulp_mapper_act_prop_size_get(uint32_t idx) 213 { 214 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) 215 return 0; 216 return ulp_act_prop_map_table[idx]; 217 } 218 219 /* 220 * Get the list of result fields that implement the flow action. 221 * Gets a device dependent list of tables that implement the action template id. 222 * 223 * dev_id [in] The device id of the forwarding element 224 * 225 * tid [in] The action template id that matches the flow 226 * 227 * num_tbls [out] The number of action tables in the returned array 228 * 229 * Returns An array of action tables to implement the flow, or NULL on error. 230 */ 231 static struct bnxt_ulp_mapper_tbl_info * 232 ulp_mapper_action_tbl_list_get(uint32_t dev_id, 233 uint32_t tid, 234 uint32_t *num_tbls) 235 { 236 uint32_t idx; 237 uint32_t tidx; 238 239 if (!num_tbls) { 240 BNXT_TF_DBG(ERR, "Invalid arguments\n"); 241 return NULL; 242 } 243 244 /* template shift and device mask */ 245 tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id); 246 247 /* NOTE: Need to have something from template compiler to help validate 248 * range of dev_id and act_tid 249 */ 250 idx = ulp_act_tmpl_list[tidx].start_tbl_idx; 251 *num_tbls = ulp_act_tmpl_list[tidx].num_tbls; 252 253 return &ulp_act_tbl_list[idx]; 254 } 255 256 /* 257 * Get a list of classifier tables that implement the flow 258 * Gets a device dependent list of tables that implement the class template id 259 * 260 * dev_id [in] The device id of the forwarding element 261 * 262 * tid [in] The template id that matches the flow 263 * 264 * num_tbls [out] The number of classifier tables in the returned array 265 * 266 * fdb_tbl_idx [out] The flow database index Regular or default 267 * 268 * returns An array of classifier tables to implement the flow, or NULL on 269 * error 270 */ 271 static struct bnxt_ulp_mapper_tbl_info * 272 ulp_mapper_class_tbl_list_get(uint32_t dev_id, 273 uint32_t tid, 274 uint32_t *num_tbls, 275 uint32_t *fdb_tbl_idx) 276 { 277 uint32_t idx; 278 uint32_t tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id); 279 280 if (!num_tbls) 281 return NULL; 282 283 /* NOTE: Need to have something from template compiler to help validate 284 * range of dev_id and tid 285 */ 286 idx = ulp_class_tmpl_list[tidx].start_tbl_idx; 287 *num_tbls = ulp_class_tmpl_list[tidx].num_tbls; 288 *fdb_tbl_idx = ulp_class_tmpl_list[tidx].flow_db_table_type; 289 return &ulp_class_tbl_list[idx]; 290 } 291 292 /* 293 * Get the list of key fields that implement the flow. 294 * 295 * ctxt [in] The ulp context 296 * 297 * tbl [in] A single table instance to get the key fields from 298 * 299 * num_flds [out] The number of key fields in the returned array 300 * 301 * Returns array of Key fields, or NULL on error. 302 */ 303 static struct bnxt_ulp_mapper_class_key_field_info * 304 ulp_mapper_key_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl, 305 uint32_t *num_flds) 306 { 307 uint32_t idx; 308 309 if (!tbl || !num_flds) 310 return NULL; 311 312 idx = tbl->key_start_idx; 313 *num_flds = tbl->key_num_fields; 314 315 /* NOTE: Need template to provide range checking define */ 316 return &ulp_class_key_field_list[idx]; 317 } 318 319 /* 320 * Get the list of data fields that implement the flow. 321 * 322 * ctxt [in] The ulp context 323 * 324 * tbl [in] A single table instance to get the data fields from 325 * 326 * num_flds [out] The number of data fields in the returned array. 327 * 328 * Returns array of data fields, or NULL on error. 329 */ 330 static struct bnxt_ulp_mapper_result_field_info * 331 ulp_mapper_result_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl, 332 uint32_t *num_flds, 333 uint32_t *num_encap_flds) 334 { 335 uint32_t idx; 336 337 if (!tbl || !num_flds) 338 return NULL; 339 340 idx = tbl->result_start_idx; 341 *num_flds = tbl->result_num_fields; 342 *num_encap_flds = tbl->encap_num_fields; 343 344 /* NOTE: Need template to provide range checking define */ 345 return &ulp_class_result_field_list[idx]; 346 } 347 348 /* 349 * Get the list of result fields that implement the flow action. 350 * 351 * tbl [in] A single table instance to get the results fields 352 * from num_flds [out] The number of data fields in the returned 353 * array. 354 * 355 * Returns array of data fields, or NULL on error. 356 */ 357 static struct bnxt_ulp_mapper_result_field_info * 358 ulp_mapper_act_result_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl, 359 uint32_t *num_rslt_flds, 360 uint32_t *num_encap_flds) 361 { 362 uint32_t idx; 363 364 if (!tbl || !num_rslt_flds || !num_encap_flds) 365 return NULL; 366 367 idx = tbl->result_start_idx; 368 *num_rslt_flds = tbl->result_num_fields; 369 *num_encap_flds = tbl->encap_num_fields; 370 371 /* NOTE: Need template to provide range checking define */ 372 return &ulp_act_result_field_list[idx]; 373 } 374 375 /* 376 * Get the list of ident fields that implement the flow 377 * 378 * tbl [in] A single table instance to get the ident fields from 379 * 380 * num_flds [out] The number of ident fields in the returned array 381 * 382 * returns array of ident fields, or NULL on error 383 */ 384 static struct bnxt_ulp_mapper_ident_info * 385 ulp_mapper_ident_fields_get(struct bnxt_ulp_mapper_tbl_info *tbl, 386 uint32_t *num_flds) 387 { 388 uint32_t idx; 389 390 if (!tbl || !num_flds) 391 return NULL; 392 393 idx = tbl->ident_start_idx; 394 *num_flds = tbl->ident_nums; 395 396 /* NOTE: Need template to provide range checking define */ 397 return &ulp_ident_list[idx]; 398 } 399 400 static struct bnxt_ulp_mapper_cache_entry * 401 ulp_mapper_cache_entry_get(struct bnxt_ulp_context *ulp, 402 uint32_t id, 403 uint16_t key) 404 { 405 struct bnxt_ulp_mapper_data *mapper_data; 406 407 mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp); 408 if (!mapper_data || id >= BNXT_ULP_CACHE_TBL_MAX_SZ || 409 !mapper_data->cache_tbl[id]) { 410 BNXT_TF_DBG(ERR, "Unable to acquire the cache tbl (%d)\n", id); 411 return NULL; 412 } 413 414 return &mapper_data->cache_tbl[id][key]; 415 } 416 417 /* 418 * Concatenates the tbl_type and tbl_id into a 32bit value for storing in the 419 * resource_type. This is done to conserve memory since both the tbl_type and 420 * tbl_id are 16bit. 421 */ 422 static inline void 423 ulp_mapper_cache_res_type_set(struct ulp_flow_db_res_params *res, 424 uint16_t tbl_type, 425 uint16_t tbl_id) 426 { 427 res->resource_type = tbl_type; 428 res->resource_sub_type = tbl_id; 429 } 430 431 /* Extracts the tbl_type and tbl_id from the 32bit resource type. */ 432 static inline void 433 ulp_mapper_cache_res_type_get(struct ulp_flow_db_res_params *res, 434 uint16_t *tbl_type, 435 uint16_t *tbl_id) 436 { 437 *tbl_type = res->resource_type; 438 *tbl_id = res->resource_sub_type; 439 } 440 441 static int32_t 442 ulp_mapper_cache_entry_free(struct bnxt_ulp_context *ulp, 443 struct tf *tfp, 444 struct ulp_flow_db_res_params *res) 445 { 446 struct bnxt_ulp_mapper_cache_entry *cache_entry; 447 struct tf_free_identifier_parms ident_parms; 448 struct tf_free_tcam_entry_parms tcam_parms; 449 uint16_t table_id, table_type; 450 int32_t rc, trc, i; 451 452 /* 453 * The table id, used for cache, and table_type, used for tcam, are 454 * both encoded within the resource. We must first extract them to 455 * formulate the args for tf calls. 456 */ 457 ulp_mapper_cache_res_type_get(res, &table_type, &table_id); 458 cache_entry = ulp_mapper_cache_entry_get(ulp, table_id, 459 (uint16_t)res->resource_hndl); 460 if (!cache_entry || !cache_entry->ref_count) { 461 BNXT_TF_DBG(ERR, "Cache entry (%d:%d) not valid on free.\n", 462 table_id, (uint16_t)res->resource_hndl); 463 return -EINVAL; 464 } 465 466 /* 467 * See if we need to delete the entry. The tcam and identifiers are all 468 * tracked by the cached entries reference count. All are deleted when 469 * the reference count hit zero. 470 */ 471 cache_entry->ref_count--; 472 if (cache_entry->ref_count) 473 return 0; 474 475 /* 476 * Need to delete the tcam entry and the allocated identifiers. 477 * In the event of a failure, need to try to delete the remaining 478 * resources before returning error. 479 */ 480 tcam_parms.dir = res->direction; 481 tcam_parms.tcam_tbl_type = table_type; 482 tcam_parms.idx = cache_entry->tcam_idx; 483 rc = tf_free_tcam_entry(tfp, &tcam_parms); 484 if (rc) 485 BNXT_TF_DBG(ERR, "Failed to free tcam [%d][%s][0x%04x] rc=%d\n", 486 table_type, 487 (res->direction == TF_DIR_RX) ? "RX" : "TX", 488 tcam_parms.idx, rc); 489 490 /* 491 * Free the identifiers associated with the tcam entry. Entries with 492 * negative one are considered uninitialized. 493 */ 494 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++) { 495 if (cache_entry->idents[i] == ULP_IDENTS_INVALID) 496 continue; 497 498 ident_parms.dir = res->direction; 499 ident_parms.ident_type = cache_entry->ident_types[i]; 500 ident_parms.id = cache_entry->idents[i]; 501 trc = tf_free_identifier(tfp, &ident_parms); 502 if (trc) { 503 BNXT_TF_DBG(ERR, "Failed to free identifier " 504 "[%d][%s][0x%04x] rc=%d\n", 505 ident_parms.ident_type, 506 (res->direction == TF_DIR_RX) ? "RX" : "TX", 507 ident_parms.id, trc); 508 rc = trc; 509 } 510 } 511 512 return rc; 513 } 514 515 static inline int32_t 516 ulp_mapper_tcam_entry_free(struct bnxt_ulp_context *ulp __rte_unused, 517 struct tf *tfp, 518 struct ulp_flow_db_res_params *res) 519 { 520 struct tf_free_tcam_entry_parms fparms = { 521 .dir = res->direction, 522 .tcam_tbl_type = res->resource_type, 523 .idx = (uint16_t)res->resource_hndl 524 }; 525 526 return tf_free_tcam_entry(tfp, &fparms); 527 } 528 529 static inline int32_t 530 ulp_mapper_index_entry_free(struct bnxt_ulp_context *ulp, 531 struct tf *tfp, 532 struct ulp_flow_db_res_params *res) 533 { 534 struct tf_free_tbl_entry_parms fparms = { 535 .dir = res->direction, 536 .type = res->resource_type, 537 .idx = (uint32_t)res->resource_hndl 538 }; 539 540 /* 541 * Just get the table scope, it will be ignored if not necessary 542 * by the tf_free_tbl_entry 543 */ 544 (void)bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id); 545 546 return tf_free_tbl_entry(tfp, &fparms); 547 } 548 549 static inline int32_t 550 ulp_mapper_em_entry_free(struct bnxt_ulp_context *ulp, 551 struct tf *tfp, 552 struct ulp_flow_db_res_params *res) 553 { 554 struct tf_delete_em_entry_parms fparms = { 0 }; 555 int32_t rc; 556 557 fparms.dir = res->direction; 558 if (res->resource_func == BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE) 559 fparms.mem = TF_MEM_EXTERNAL; 560 else 561 fparms.mem = TF_MEM_INTERNAL; 562 fparms.flow_handle = res->resource_hndl; 563 564 rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id); 565 if (rc) { 566 BNXT_TF_DBG(ERR, "Failed to get table scope\n"); 567 return -EINVAL; 568 } 569 570 return tf_delete_em_entry(tfp, &fparms); 571 } 572 573 static inline int32_t 574 ulp_mapper_ident_free(struct bnxt_ulp_context *ulp __rte_unused, 575 struct tf *tfp, 576 struct ulp_flow_db_res_params *res) 577 { 578 struct tf_free_identifier_parms fparms = { 579 .dir = res->direction, 580 .ident_type = res->resource_type, 581 .id = (uint16_t)res->resource_hndl 582 }; 583 584 return tf_free_identifier(tfp, &fparms); 585 } 586 587 static inline int32_t 588 ulp_mapper_mark_free(struct bnxt_ulp_context *ulp, 589 struct ulp_flow_db_res_params *res) 590 { 591 return ulp_mark_db_mark_del(ulp, 592 res->resource_type, 593 res->resource_hndl); 594 } 595 596 /* 597 * Process the identifier instruction and either store it in the flow database 598 * or return it in the val (if not NULL) on success. If val is NULL, the 599 * identifier is to be stored in the flow database. 600 */ 601 static int32_t 602 ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms, 603 struct bnxt_ulp_mapper_tbl_info *tbl, 604 struct bnxt_ulp_mapper_ident_info *ident, 605 uint16_t *val) 606 { 607 struct ulp_flow_db_res_params fid_parms; 608 uint64_t id = 0; 609 int32_t idx; 610 struct tf_alloc_identifier_parms iparms = { 0 }; 611 struct tf_free_identifier_parms free_parms = { 0 }; 612 struct tf *tfp; 613 int rc; 614 615 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx); 616 if (!tfp) { 617 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n"); 618 return -EINVAL; 619 } 620 621 idx = ident->regfile_idx; 622 623 iparms.ident_type = ident->ident_type; 624 iparms.dir = tbl->direction; 625 626 rc = tf_alloc_identifier(tfp, &iparms); 627 if (rc) { 628 BNXT_TF_DBG(ERR, "Alloc ident %s:%d failed.\n", 629 (iparms.dir == TF_DIR_RX) ? "RX" : "TX", 630 iparms.ident_type); 631 return rc; 632 } 633 634 id = (uint64_t)tfp_cpu_to_be_64(iparms.id); 635 if (!ulp_regfile_write(parms->regfile, idx, id)) { 636 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx); 637 rc = -EINVAL; 638 /* Need to free the identifier, so goto error */ 639 goto error; 640 } 641 642 /* Link the resource to the flow in the flow db */ 643 if (!val) { 644 memset(&fid_parms, 0, sizeof(fid_parms)); 645 fid_parms.direction = tbl->direction; 646 fid_parms.resource_func = ident->resource_func; 647 fid_parms.resource_type = ident->ident_type; 648 fid_parms.resource_hndl = iparms.id; 649 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; 650 651 rc = ulp_flow_db_resource_add(parms->ulp_ctx, 652 parms->tbl_idx, 653 parms->fid, 654 &fid_parms); 655 if (rc) { 656 BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n", 657 rc); 658 /* Need to free the identifier, so goto error */ 659 goto error; 660 } 661 } else { 662 *val = iparms.id; 663 } 664 665 return 0; 666 667 error: 668 /* Need to free the identifier */ 669 free_parms.dir = tbl->direction; 670 free_parms.ident_type = ident->ident_type; 671 free_parms.id = iparms.id; 672 673 (void)tf_free_identifier(tfp, &free_parms); 674 675 BNXT_TF_DBG(ERR, "Ident process failed for %s:%s\n", 676 ident->description, 677 (tbl->direction == TF_DIR_RX) ? "RX" : "TX"); 678 return rc; 679 } 680 681 /* 682 * Process the identifier instruction and extract it from result blob. 683 * Increment the identifier reference count and store it in the flow database. 684 */ 685 static int32_t 686 ulp_mapper_ident_extract(struct bnxt_ulp_mapper_parms *parms, 687 struct bnxt_ulp_mapper_tbl_info *tbl, 688 struct bnxt_ulp_mapper_ident_info *ident, 689 struct ulp_blob *res_blob) 690 { 691 struct ulp_flow_db_res_params fid_parms; 692 uint64_t id = 0; 693 uint32_t idx = 0; 694 struct tf_search_identifier_parms sparms = { 0 }; 695 struct tf_free_identifier_parms free_parms = { 0 }; 696 struct tf *tfp; 697 int rc; 698 699 /* Get the tfp from ulp context */ 700 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx); 701 if (!tfp) { 702 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n"); 703 return -EINVAL; 704 } 705 706 /* Extract the index from the result blob */ 707 rc = ulp_blob_pull(res_blob, (uint8_t *)&idx, sizeof(idx), 708 ident->ident_bit_pos, ident->ident_bit_size); 709 if (rc) { 710 BNXT_TF_DBG(ERR, "Failed to extract identifier from blob\n"); 711 return -EIO; 712 } 713 714 /* populate the search params and search identifier shadow table */ 715 sparms.ident_type = ident->ident_type; 716 sparms.dir = tbl->direction; 717 /* convert the idx into cpu format */ 718 sparms.search_id = tfp_be_to_cpu_32(idx); 719 720 /* Search identifier also increase the reference count */ 721 rc = tf_search_identifier(tfp, &sparms); 722 if (rc) { 723 BNXT_TF_DBG(ERR, "Search ident %s:%x failed.\n", 724 tf_dir_2_str(sparms.dir), 725 sparms.search_id); 726 return rc; 727 } 728 BNXT_TF_DBG(INFO, "Search ident %s:%x.success.\n", 729 tf_dir_2_str(sparms.dir), 730 sparms.search_id); 731 732 /* Write it to the regfile */ 733 id = (uint64_t)tfp_cpu_to_be_64(sparms.search_id); 734 if (!ulp_regfile_write(parms->regfile, ident->regfile_idx, id)) { 735 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx); 736 rc = -EINVAL; 737 /* Need to free the identifier, so goto error */ 738 goto error; 739 } 740 741 /* Link the resource to the flow in the flow db */ 742 memset(&fid_parms, 0, sizeof(fid_parms)); 743 fid_parms.direction = tbl->direction; 744 fid_parms.resource_func = ident->resource_func; 745 fid_parms.resource_type = ident->ident_type; 746 fid_parms.resource_hndl = sparms.search_id; 747 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; 748 rc = ulp_flow_db_resource_add(parms->ulp_ctx, 749 parms->tbl_idx, 750 parms->fid, 751 &fid_parms); 752 if (rc) { 753 BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n", 754 rc); 755 /* Need to free the identifier, so goto error */ 756 goto error; 757 } 758 759 return 0; 760 761 error: 762 /* Need to free the identifier */ 763 free_parms.dir = tbl->direction; 764 free_parms.ident_type = ident->ident_type; 765 free_parms.id = sparms.search_id; 766 (void)tf_free_identifier(tfp, &free_parms); 767 BNXT_TF_DBG(ERR, "Ident extract failed for %s:%s:%x\n", 768 ident->description, 769 tf_dir_2_str(tbl->direction), sparms.search_id); 770 return rc; 771 } 772 773 static int32_t 774 ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms, 775 enum tf_dir dir, 776 struct bnxt_ulp_mapper_result_field_info *fld, 777 struct ulp_blob *blob, 778 const char *name) 779 { 780 uint16_t idx, size_idx; 781 uint8_t *val = NULL; 782 uint64_t regval; 783 uint32_t val_size = 0, field_size = 0; 784 uint64_t act_bit; 785 uint8_t act_val; 786 787 switch (fld->result_opcode) { 788 case BNXT_ULP_MAPPER_OPC_SET_TO_CONSTANT: 789 val = fld->result_operand; 790 if (!ulp_blob_push(blob, val, fld->field_bit_size)) { 791 BNXT_TF_DBG(ERR, "%s failed to add field\n", name); 792 return -EINVAL; 793 } 794 break; 795 case BNXT_ULP_MAPPER_OPC_SET_TO_ACT_PROP: 796 if (!ulp_operand_read(fld->result_operand, 797 (uint8_t *)&idx, sizeof(uint16_t))) { 798 BNXT_TF_DBG(ERR, "%s operand read failed\n", name); 799 return -EINVAL; 800 } 801 idx = tfp_be_to_cpu_16(idx); 802 803 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) { 804 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx); 805 return -EINVAL; 806 } 807 val = &parms->act_prop->act_details[idx]; 808 field_size = ulp_mapper_act_prop_size_get(idx); 809 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) { 810 field_size = field_size - 811 ((fld->field_bit_size + 7) / 8); 812 val += field_size; 813 } 814 if (!ulp_blob_push(blob, val, fld->field_bit_size)) { 815 BNXT_TF_DBG(ERR, "%s push field failed\n", name); 816 return -EINVAL; 817 } 818 break; 819 case BNXT_ULP_MAPPER_OPC_SET_TO_ACT_BIT: 820 if (!ulp_operand_read(fld->result_operand, 821 (uint8_t *)&act_bit, sizeof(uint64_t))) { 822 BNXT_TF_DBG(ERR, "%s operand read failed\n", name); 823 return -EINVAL; 824 } 825 act_bit = tfp_be_to_cpu_64(act_bit); 826 if (ULP_BITMAP_ISSET(parms->act_bitmap->bits, act_bit)) 827 act_val = 1; 828 else 829 act_val = 0; 830 if (fld->field_bit_size > ULP_BYTE_2_BITS(sizeof(act_val))) { 831 BNXT_TF_DBG(ERR, "%s field size is incorrect\n", name); 832 return -EINVAL; 833 } 834 if (!ulp_blob_push(blob, &act_val, fld->field_bit_size)) { 835 BNXT_TF_DBG(ERR, "%s push field failed\n", name); 836 return -EINVAL; 837 } 838 val = &act_val; 839 break; 840 case BNXT_ULP_MAPPER_OPC_SET_TO_ENCAP_ACT_PROP_SZ: 841 if (!ulp_operand_read(fld->result_operand, 842 (uint8_t *)&idx, sizeof(uint16_t))) { 843 BNXT_TF_DBG(ERR, "%s operand read failed\n", name); 844 return -EINVAL; 845 } 846 idx = tfp_be_to_cpu_16(idx); 847 848 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) { 849 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx); 850 return -EINVAL; 851 } 852 val = &parms->act_prop->act_details[idx]; 853 854 /* get the size index next */ 855 if (!ulp_operand_read(&fld->result_operand[sizeof(uint16_t)], 856 (uint8_t *)&size_idx, sizeof(uint16_t))) { 857 BNXT_TF_DBG(ERR, "%s operand read failed\n", name); 858 return -EINVAL; 859 } 860 size_idx = tfp_be_to_cpu_16(size_idx); 861 862 if (size_idx >= BNXT_ULP_ACT_PROP_IDX_LAST) { 863 BNXT_TF_DBG(ERR, "act_prop[%d] oob\n", size_idx); 864 return -EINVAL; 865 } 866 memcpy(&val_size, &parms->act_prop->act_details[size_idx], 867 sizeof(uint32_t)); 868 val_size = tfp_be_to_cpu_32(val_size); 869 val_size = ULP_BYTE_2_BITS(val_size); 870 ulp_blob_push_encap(blob, val, val_size); 871 break; 872 case BNXT_ULP_MAPPER_OPC_SET_TO_REGFILE: 873 if (!ulp_operand_read(fld->result_operand, 874 (uint8_t *)&idx, sizeof(uint16_t))) { 875 BNXT_TF_DBG(ERR, "%s operand read failed\n", name); 876 return -EINVAL; 877 } 878 879 idx = tfp_be_to_cpu_16(idx); 880 /* Uninitialized regfile entries return 0 */ 881 if (!ulp_regfile_read(parms->regfile, idx, ®val)) { 882 BNXT_TF_DBG(ERR, "%s regfile[%d] read oob\n", 883 name, idx); 884 return -EINVAL; 885 } 886 887 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size); 888 if (!val) { 889 BNXT_TF_DBG(ERR, "%s push field failed\n", name); 890 return -EINVAL; 891 } 892 break; 893 case BNXT_ULP_MAPPER_OPC_SET_TO_GLB_REGFILE: 894 if (!ulp_operand_read(fld->result_operand, 895 (uint8_t *)&idx, 896 sizeof(uint16_t))) { 897 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name); 898 return -EINVAL; 899 } 900 idx = tfp_be_to_cpu_16(idx); 901 if (ulp_mapper_glb_resource_read(parms->mapper_data, 902 dir, 903 idx, ®val)) { 904 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n", 905 name, idx); 906 return -EINVAL; 907 } 908 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size); 909 if (!val) { 910 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name); 911 return -EINVAL; 912 } 913 break; 914 case BNXT_ULP_MAPPER_OPC_SET_TO_COMP_FIELD: 915 if (!ulp_operand_read(fld->result_operand, 916 (uint8_t *)&idx, 917 sizeof(uint16_t))) { 918 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name); 919 return -EINVAL; 920 } 921 idx = tfp_be_to_cpu_16(idx); 922 if (idx < BNXT_ULP_CF_IDX_LAST) 923 val = ulp_blob_push_32(blob, &parms->comp_fld[idx], 924 fld->field_bit_size); 925 if (!val) { 926 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name); 927 return -EINVAL; 928 } 929 break; 930 case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO: 931 if (ulp_blob_pad_push(blob, fld->field_bit_size) < 0) { 932 BNXT_TF_DBG(ERR, "%s too large for blob\n", name); 933 return -EINVAL; 934 } 935 936 break; 937 case BNXT_ULP_MAPPER_OPC_IF_ACT_BIT_THEN_ACT_PROP_ELSE_CONST: 938 if (!ulp_operand_read(fld->result_operand, 939 (uint8_t *)&act_bit, sizeof(uint64_t))) { 940 BNXT_TF_DBG(ERR, "%s operand read failed\n", name); 941 return -EINVAL; 942 } 943 act_bit = tfp_be_to_cpu_64(act_bit); 944 if (ULP_BITMAP_ISSET(parms->act_bitmap->bits, act_bit)) { 945 /* Action bit is set so consider operand_true */ 946 if (!ulp_operand_read(fld->result_operand_true, 947 (uint8_t *)&idx, 948 sizeof(uint16_t))) { 949 BNXT_TF_DBG(ERR, "%s operand read failed\n", 950 name); 951 return -EINVAL; 952 } 953 idx = tfp_be_to_cpu_16(idx); 954 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) { 955 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", 956 name, idx); 957 return -EINVAL; 958 } 959 val = &parms->act_prop->act_details[idx]; 960 field_size = ulp_mapper_act_prop_size_get(idx); 961 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) { 962 field_size = field_size - 963 ((fld->field_bit_size + 7) / 8); 964 val += field_size; 965 } 966 if (!ulp_blob_push(blob, val, fld->field_bit_size)) { 967 BNXT_TF_DBG(ERR, "%s push field failed\n", 968 name); 969 return -EINVAL; 970 } 971 } else { 972 /* action bit is not set, use the operand false */ 973 val = fld->result_operand_false; 974 if (!ulp_blob_push(blob, val, fld->field_bit_size)) { 975 BNXT_TF_DBG(ERR, "%s failed to add field\n", 976 name); 977 return -EINVAL; 978 } 979 } 980 break; 981 case BNXT_ULP_MAPPER_OPC_IF_ACT_BIT_THEN_CONST_ELSE_CONST: 982 if (!ulp_operand_read(fld->result_operand, 983 (uint8_t *)&act_bit, sizeof(uint64_t))) { 984 BNXT_TF_DBG(ERR, "%s operand read failed\n", name); 985 return -EINVAL; 986 } 987 act_bit = tfp_be_to_cpu_64(act_bit); 988 if (ULP_BITMAP_ISSET(parms->act_bitmap->bits, act_bit)) { 989 /* Action bit is set so consider operand_true */ 990 val = fld->result_operand_true; 991 } else { 992 /* action bit is not set, use the operand false */ 993 val = fld->result_operand_false; 994 } 995 if (!ulp_blob_push(blob, val, fld->field_bit_size)) { 996 BNXT_TF_DBG(ERR, "%s failed to add field\n", 997 name); 998 return -EINVAL; 999 } 1000 break; 1001 case BNXT_ULP_MAPPER_OPC_IF_COMP_FIELD_THEN_CF_ELSE_CF: 1002 if (!ulp_operand_read(fld->result_operand, 1003 (uint8_t *)&idx, 1004 sizeof(uint16_t))) { 1005 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name); 1006 return -EINVAL; 1007 } 1008 idx = tfp_be_to_cpu_16(idx); 1009 if (idx >= BNXT_ULP_CF_IDX_LAST) { 1010 BNXT_TF_DBG(ERR, "%s invalid index %u\n", name, idx); 1011 return -EINVAL; 1012 } 1013 /* check if the computed field is set */ 1014 if (ULP_COMP_FLD_IDX_RD(parms, idx)) 1015 val = fld->result_operand_true; 1016 else 1017 val = fld->result_operand_false; 1018 1019 /* read the appropriate computed field */ 1020 if (!ulp_operand_read(val, (uint8_t *)&idx, sizeof(uint16_t))) { 1021 BNXT_TF_DBG(ERR, "%s val operand read failed\n", name); 1022 return -EINVAL; 1023 } 1024 idx = tfp_be_to_cpu_16(idx); 1025 if (idx >= BNXT_ULP_CF_IDX_LAST) { 1026 BNXT_TF_DBG(ERR, "%s invalid index %u\n", name, idx); 1027 return -EINVAL; 1028 } 1029 val = ulp_blob_push_32(blob, &parms->comp_fld[idx], 1030 fld->field_bit_size); 1031 if (!val) { 1032 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name); 1033 return -EINVAL; 1034 } 1035 break; 1036 default: 1037 BNXT_TF_DBG(ERR, "invalid result mapper opcode 0x%x\n", 1038 fld->result_opcode); 1039 return -EINVAL; 1040 } 1041 return 0; 1042 } 1043 1044 /* Function to alloc action record and set the table. */ 1045 static int32_t 1046 ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms, 1047 enum tf_dir dir, 1048 struct bnxt_ulp_mapper_class_key_field_info *f, 1049 struct ulp_blob *blob, 1050 uint8_t is_key, 1051 const char *name) 1052 { 1053 uint64_t val64; 1054 uint16_t idx, bitlen; 1055 uint32_t opcode; 1056 uint8_t *operand; 1057 struct ulp_regfile *regfile = parms->regfile; 1058 uint8_t *val = NULL; 1059 struct bnxt_ulp_mapper_class_key_field_info *fld = f; 1060 uint32_t field_size; 1061 1062 if (is_key) { 1063 operand = fld->spec_operand; 1064 opcode = fld->spec_opcode; 1065 } else { 1066 operand = fld->mask_operand; 1067 opcode = fld->mask_opcode; 1068 } 1069 1070 bitlen = fld->field_bit_size; 1071 1072 switch (opcode) { 1073 case BNXT_ULP_MAPPER_OPC_SET_TO_CONSTANT: 1074 val = operand; 1075 if (!ulp_blob_push(blob, val, bitlen)) { 1076 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name); 1077 return -EINVAL; 1078 } 1079 break; 1080 case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO: 1081 if (ulp_blob_pad_push(blob, bitlen) < 0) { 1082 BNXT_TF_DBG(ERR, "%s pad too large for blob\n", name); 1083 return -EINVAL; 1084 } 1085 1086 break; 1087 case BNXT_ULP_MAPPER_OPC_SET_TO_HDR_FIELD: 1088 if (!ulp_operand_read(operand, (uint8_t *)&idx, 1089 sizeof(uint16_t))) { 1090 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name); 1091 return -EINVAL; 1092 } 1093 idx = tfp_be_to_cpu_16(idx); 1094 if (is_key) 1095 val = parms->hdr_field[idx].spec; 1096 else 1097 val = parms->hdr_field[idx].mask; 1098 1099 /* 1100 * Need to account for how much data was pushed to the header 1101 * field vs how much is to be inserted in the key/mask. 1102 */ 1103 field_size = parms->hdr_field[idx].size; 1104 if (bitlen < ULP_BYTE_2_BITS(field_size)) { 1105 field_size = field_size - ((bitlen + 7) / 8); 1106 val += field_size; 1107 } 1108 1109 if (!ulp_blob_push(blob, val, bitlen)) { 1110 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name); 1111 return -EINVAL; 1112 } 1113 break; 1114 case BNXT_ULP_MAPPER_OPC_SET_TO_COMP_FIELD: 1115 if (!ulp_operand_read(operand, (uint8_t *)&idx, 1116 sizeof(uint16_t))) { 1117 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name); 1118 return -EINVAL; 1119 } 1120 idx = tfp_be_to_cpu_16(idx); 1121 if (idx < BNXT_ULP_CF_IDX_LAST) 1122 val = ulp_blob_push_32(blob, &parms->comp_fld[idx], 1123 bitlen); 1124 if (!val) { 1125 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name); 1126 return -EINVAL; 1127 } 1128 break; 1129 case BNXT_ULP_MAPPER_OPC_SET_TO_REGFILE: 1130 if (!ulp_operand_read(operand, (uint8_t *)&idx, 1131 sizeof(uint16_t))) { 1132 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name); 1133 return -EINVAL; 1134 } 1135 idx = tfp_be_to_cpu_16(idx); 1136 1137 if (!ulp_regfile_read(regfile, idx, &val64)) { 1138 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n", 1139 name, idx); 1140 return -EINVAL; 1141 } 1142 1143 val = ulp_blob_push_64(blob, &val64, bitlen); 1144 if (!val) { 1145 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name); 1146 return -EINVAL; 1147 } 1148 break; 1149 case BNXT_ULP_MAPPER_OPC_SET_TO_GLB_REGFILE: 1150 if (!ulp_operand_read(operand, (uint8_t *)&idx, 1151 sizeof(uint16_t))) { 1152 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name); 1153 return -EINVAL; 1154 } 1155 idx = tfp_be_to_cpu_16(idx); 1156 if (ulp_mapper_glb_resource_read(parms->mapper_data, 1157 dir, 1158 idx, &val64)) { 1159 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n", 1160 name, idx); 1161 return -EINVAL; 1162 } 1163 val = ulp_blob_push_64(blob, &val64, bitlen); 1164 if (!val) { 1165 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name); 1166 return -EINVAL; 1167 } 1168 break; 1169 default: 1170 BNXT_TF_DBG(ERR, "invalid keymask mapper opcode 0x%x\n", 1171 opcode); 1172 return -EINVAL; 1173 break; 1174 } 1175 1176 return 0; 1177 } 1178 1179 static int32_t 1180 ulp_mapper_mark_gfid_process(struct bnxt_ulp_mapper_parms *parms, 1181 struct bnxt_ulp_mapper_tbl_info *tbl, 1182 uint64_t flow_id) 1183 { 1184 enum bnxt_ulp_mark_db_opcode mark_op = tbl->mark_db_opcode; 1185 struct ulp_flow_db_res_params fid_parms; 1186 uint32_t mark, gfid, mark_flag; 1187 int32_t rc = 0; 1188 1189 if (mark_op == BNXT_ULP_MARK_DB_OPCODE_NOP || 1190 !(mark_op == BNXT_ULP_MARK_DB_OPCODE_SET_IF_MARK_ACTION && 1191 ULP_BITMAP_ISSET(parms->act_bitmap->bits, 1192 BNXT_ULP_ACTION_BIT_MARK))) 1193 return rc; /* no need to perform gfid process */ 1194 1195 /* Get the mark id details from action property */ 1196 memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK], 1197 sizeof(mark)); 1198 mark = tfp_be_to_cpu_32(mark); 1199 1200 TF_GET_GFID_FROM_FLOW_ID(flow_id, gfid); 1201 mark_flag = BNXT_ULP_MARK_GLOBAL_HW_FID; 1202 rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag, 1203 gfid, mark); 1204 if (rc) { 1205 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n"); 1206 return rc; 1207 } 1208 fid_parms.direction = tbl->direction; 1209 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID; 1210 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; 1211 fid_parms.resource_type = mark_flag; 1212 fid_parms.resource_hndl = gfid; 1213 rc = ulp_flow_db_resource_add(parms->ulp_ctx, 1214 parms->tbl_idx, 1215 parms->fid, 1216 &fid_parms); 1217 if (rc) 1218 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc); 1219 return rc; 1220 } 1221 1222 static int32_t 1223 ulp_mapper_mark_act_ptr_process(struct bnxt_ulp_mapper_parms *parms, 1224 struct bnxt_ulp_mapper_tbl_info *tbl) 1225 { 1226 enum bnxt_ulp_mark_db_opcode mark_op = tbl->mark_db_opcode; 1227 struct ulp_flow_db_res_params fid_parms; 1228 uint32_t act_idx, mark, mark_flag; 1229 uint64_t val64; 1230 int32_t rc = 0; 1231 1232 if (mark_op == BNXT_ULP_MARK_DB_OPCODE_NOP || 1233 !(mark_op == BNXT_ULP_MARK_DB_OPCODE_SET_IF_MARK_ACTION && 1234 ULP_BITMAP_ISSET(parms->act_bitmap->bits, 1235 BNXT_ULP_ACTION_BIT_MARK))) 1236 return rc; /* no need to perform mark action process */ 1237 1238 /* Get the mark id details from action property */ 1239 memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK], 1240 sizeof(mark)); 1241 mark = tfp_be_to_cpu_32(mark); 1242 1243 if (!ulp_regfile_read(parms->regfile, 1244 BNXT_ULP_REGFILE_INDEX_MAIN_ACTION_PTR, 1245 &val64)) { 1246 BNXT_TF_DBG(ERR, "read action ptr main failed\n"); 1247 return -EINVAL; 1248 } 1249 act_idx = tfp_be_to_cpu_64(val64); 1250 mark_flag = BNXT_ULP_MARK_LOCAL_HW_FID; 1251 rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag, 1252 act_idx, mark); 1253 if (rc) { 1254 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n"); 1255 return rc; 1256 } 1257 fid_parms.direction = tbl->direction; 1258 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID; 1259 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; 1260 fid_parms.resource_type = mark_flag; 1261 fid_parms.resource_hndl = act_idx; 1262 rc = ulp_flow_db_resource_add(parms->ulp_ctx, 1263 parms->tbl_idx, 1264 parms->fid, 1265 &fid_parms); 1266 if (rc) 1267 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc); 1268 return rc; 1269 } 1270 1271 static int32_t 1272 ulp_mapper_mark_vfr_idx_process(struct bnxt_ulp_mapper_parms *parms, 1273 struct bnxt_ulp_mapper_tbl_info *tbl) 1274 { 1275 struct ulp_flow_db_res_params fid_parms; 1276 uint32_t act_idx, mark, mark_flag; 1277 uint64_t val64; 1278 enum bnxt_ulp_mark_db_opcode mark_op = tbl->mark_db_opcode; 1279 int32_t rc = 0; 1280 1281 if (mark_op == BNXT_ULP_MARK_DB_OPCODE_NOP || 1282 mark_op == BNXT_ULP_MARK_DB_OPCODE_SET_IF_MARK_ACTION) 1283 return rc; /* no need to perform mark action process */ 1284 1285 /* Get the mark id details from the computed field of dev port id */ 1286 mark = ULP_COMP_FLD_IDX_RD(parms, BNXT_ULP_CF_IDX_DEV_PORT_ID); 1287 1288 /* Get the main action pointer */ 1289 if (!ulp_regfile_read(parms->regfile, 1290 BNXT_ULP_REGFILE_INDEX_MAIN_ACTION_PTR, 1291 &val64)) { 1292 BNXT_TF_DBG(ERR, "read action ptr main failed\n"); 1293 return -EINVAL; 1294 } 1295 act_idx = tfp_be_to_cpu_64(val64); 1296 1297 /* Set the mark flag to local fid and vfr flag */ 1298 mark_flag = BNXT_ULP_MARK_LOCAL_HW_FID | BNXT_ULP_MARK_VFR_ID; 1299 1300 rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag, 1301 act_idx, mark); 1302 if (rc) { 1303 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n"); 1304 return rc; 1305 } 1306 fid_parms.direction = tbl->direction; 1307 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID; 1308 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; 1309 fid_parms.resource_type = mark_flag; 1310 fid_parms.resource_hndl = act_idx; 1311 rc = ulp_flow_db_resource_add(parms->ulp_ctx, 1312 parms->tbl_idx, 1313 parms->fid, 1314 &fid_parms); 1315 if (rc) 1316 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc); 1317 return rc; 1318 } 1319 1320 /* 1321 * Tcam table - create the result blob. 1322 * data [out] - the result blob data 1323 */ 1324 static int32_t 1325 ulp_mapper_tcam_tbl_result_create(struct bnxt_ulp_mapper_parms *parms, 1326 struct bnxt_ulp_mapper_tbl_info *tbl, 1327 struct ulp_blob *data) 1328 { 1329 struct bnxt_ulp_mapper_result_field_info *dflds; 1330 uint32_t num_dflds; 1331 uint32_t encap_flds = 0; 1332 uint32_t i; 1333 int32_t rc = 0; 1334 1335 /* Create the result data blob */ 1336 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds, 1337 &encap_flds); 1338 if (!dflds || !num_dflds || encap_flds) { 1339 BNXT_TF_DBG(ERR, "Failed to get data fields.\n"); 1340 return -EINVAL; 1341 } 1342 1343 for (i = 0; i < num_dflds; i++) { 1344 rc = ulp_mapper_result_field_process(parms, 1345 tbl->direction, 1346 &dflds[i], 1347 data, 1348 "TCAM Result"); 1349 if (rc) { 1350 BNXT_TF_DBG(ERR, "Failed to set data fields\n"); 1351 return -EINVAL; 1352 } 1353 } 1354 return rc; 1355 } 1356 1357 /* Tcam table scan the identifier list and allocate each identifier */ 1358 static int32_t 1359 ulp_mapper_tcam_tbl_scan_ident_alloc(struct bnxt_ulp_mapper_parms *parms, 1360 struct bnxt_ulp_mapper_tbl_info *tbl) 1361 { 1362 struct bnxt_ulp_mapper_ident_info *idents; 1363 uint32_t num_idents; 1364 uint32_t i; 1365 1366 /* 1367 * Since the cache entry is responsible for allocating 1368 * identifiers when in use, allocate the identifiers only 1369 * during normal processing. 1370 */ 1371 if (parms->tcam_tbl_opc == 1372 BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) { 1373 idents = ulp_mapper_ident_fields_get(tbl, &num_idents); 1374 1375 for (i = 0; i < num_idents; i++) { 1376 if (ulp_mapper_ident_process(parms, tbl, 1377 &idents[i], NULL)) 1378 return -EINVAL; 1379 } 1380 } 1381 return 0; 1382 } 1383 1384 /* 1385 * Tcam table scan the identifier list and extract the identifier from 1386 * the result blob. 1387 */ 1388 static int32_t 1389 ulp_mapper_tcam_tbl_scan_ident_extract(struct bnxt_ulp_mapper_parms *parms, 1390 struct bnxt_ulp_mapper_tbl_info *tbl, 1391 struct ulp_blob *data) 1392 { 1393 struct bnxt_ulp_mapper_ident_info *idents; 1394 uint32_t num_idents = 0, i; 1395 int32_t rc = 0; 1396 1397 /* 1398 * Extract the listed identifiers from the result field, 1399 * no need to allocate them. 1400 */ 1401 idents = ulp_mapper_ident_fields_get(tbl, &num_idents); 1402 for (i = 0; i < num_idents; i++) { 1403 rc = ulp_mapper_ident_extract(parms, tbl, &idents[i], data); 1404 if (rc) { 1405 BNXT_TF_DBG(ERR, "Error in identifier extraction\n"); 1406 return rc; 1407 } 1408 } 1409 return rc; 1410 } 1411 1412 /* Internal function to write the tcam entry */ 1413 static int32_t 1414 ulp_mapper_tcam_tbl_entry_write(struct bnxt_ulp_mapper_parms *parms, 1415 struct bnxt_ulp_mapper_tbl_info *tbl, 1416 struct ulp_blob *key, 1417 struct ulp_blob *mask, 1418 struct ulp_blob *data, 1419 uint16_t idx) 1420 { 1421 struct tf_set_tcam_entry_parms sparms = { 0 }; 1422 struct tf *tfp; 1423 uint16_t tmplen; 1424 int32_t rc; 1425 1426 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx); 1427 if (!tfp) { 1428 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n"); 1429 return -EINVAL; 1430 } 1431 1432 sparms.dir = tbl->direction; 1433 sparms.tcam_tbl_type = tbl->resource_type; 1434 sparms.idx = idx; 1435 /* Already verified the key/mask lengths */ 1436 sparms.key = ulp_blob_data_get(key, &tmplen); 1437 sparms.mask = ulp_blob_data_get(mask, &tmplen); 1438 sparms.key_sz_in_bits = tbl->key_bit_size; 1439 sparms.result = ulp_blob_data_get(data, &tmplen); 1440 1441 if (tbl->result_bit_size != tmplen) { 1442 BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n", 1443 tmplen, tbl->result_bit_size); 1444 return -EINVAL; 1445 } 1446 sparms.result_sz_in_bits = tbl->result_bit_size; 1447 if (tf_set_tcam_entry(tfp, &sparms)) { 1448 BNXT_TF_DBG(ERR, "tcam[%s][%s][%x] write failed.\n", 1449 tf_tcam_tbl_2_str(sparms.tcam_tbl_type), 1450 tf_dir_2_str(sparms.dir), sparms.idx); 1451 return -EIO; 1452 } 1453 BNXT_TF_DBG(INFO, "tcam[%s][%s][%x] write success.\n", 1454 tf_tcam_tbl_2_str(sparms.tcam_tbl_type), 1455 tf_dir_2_str(sparms.dir), sparms.idx); 1456 1457 /* Update cache with TCAM index if the was cache allocated. */ 1458 if (parms->tcam_tbl_opc == 1459 BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC) { 1460 if (!parms->cache_ptr) { 1461 BNXT_TF_DBG(ERR, "Unable to update cache"); 1462 return -EINVAL; 1463 } 1464 parms->cache_ptr->tcam_idx = idx; 1465 } 1466 1467 /* Mark action */ 1468 rc = ulp_mapper_mark_act_ptr_process(parms, tbl); 1469 if (rc) { 1470 BNXT_TF_DBG(ERR, "failed mark action processing\n"); 1471 return rc; 1472 } 1473 1474 return rc; 1475 } 1476 1477 static int32_t 1478 ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms, 1479 struct bnxt_ulp_mapper_tbl_info *tbl) 1480 { 1481 struct bnxt_ulp_mapper_class_key_field_info *kflds; 1482 struct ulp_blob key, mask, data, update_data; 1483 uint32_t i, num_kflds; 1484 struct tf *tfp; 1485 int32_t rc, trc; 1486 struct tf_alloc_tcam_entry_parms aparms = { 0 }; 1487 struct tf_search_tcam_entry_parms searchparms = { 0 }; 1488 struct ulp_flow_db_res_params fid_parms = { 0 }; 1489 struct tf_free_tcam_entry_parms free_parms = { 0 }; 1490 enum bnxt_ulp_search_before_alloc search_flag; 1491 uint32_t hit = 0; 1492 uint16_t tmplen = 0; 1493 uint16_t idx; 1494 1495 /* Skip this if was handled by the cache. */ 1496 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP) { 1497 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL; 1498 return 0; 1499 } 1500 1501 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx); 1502 if (!tfp) { 1503 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n"); 1504 return -EINVAL; 1505 } 1506 1507 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds); 1508 if (!kflds || !num_kflds) { 1509 BNXT_TF_DBG(ERR, "Failed to get key fields\n"); 1510 return -EINVAL; 1511 } 1512 1513 if (!ulp_blob_init(&key, tbl->key_bit_size, 1514 parms->device_params->byte_order) || 1515 !ulp_blob_init(&mask, tbl->key_bit_size, 1516 parms->device_params->byte_order) || 1517 !ulp_blob_init(&data, tbl->result_bit_size, 1518 parms->device_params->byte_order) || 1519 !ulp_blob_init(&update_data, tbl->result_bit_size, 1520 parms->device_params->byte_order)) { 1521 BNXT_TF_DBG(ERR, "blob inits failed.\n"); 1522 return -EINVAL; 1523 } 1524 1525 /* create the key/mask */ 1526 /* 1527 * NOTE: The WC table will require some kind of flag to handle the 1528 * mode bits within the key/mask 1529 */ 1530 for (i = 0; i < num_kflds; i++) { 1531 /* Setup the key */ 1532 rc = ulp_mapper_keymask_field_process(parms, tbl->direction, 1533 &kflds[i], 1534 &key, 1, "TCAM Key"); 1535 if (rc) { 1536 BNXT_TF_DBG(ERR, "Key field set failed.\n"); 1537 return rc; 1538 } 1539 1540 /* Setup the mask */ 1541 rc = ulp_mapper_keymask_field_process(parms, tbl->direction, 1542 &kflds[i], 1543 &mask, 0, "TCAM Mask"); 1544 if (rc) { 1545 BNXT_TF_DBG(ERR, "Mask field set failed.\n"); 1546 return rc; 1547 } 1548 } 1549 1550 if (tbl->srch_b4_alloc == BNXT_ULP_SEARCH_BEFORE_ALLOC_NO) { 1551 /* 1552 * No search for re-use is requested, so simply allocate the 1553 * tcam index. 1554 */ 1555 aparms.dir = tbl->direction; 1556 aparms.tcam_tbl_type = tbl->resource_type; 1557 aparms.search_enable = tbl->srch_b4_alloc; 1558 aparms.key_sz_in_bits = tbl->key_bit_size; 1559 aparms.key = ulp_blob_data_get(&key, &tmplen); 1560 if (tbl->key_bit_size != tmplen) { 1561 BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n", 1562 tmplen, tbl->key_bit_size); 1563 return -EINVAL; 1564 } 1565 1566 aparms.mask = ulp_blob_data_get(&mask, &tmplen); 1567 if (tbl->key_bit_size != tmplen) { 1568 BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n", 1569 tmplen, tbl->key_bit_size); 1570 return -EINVAL; 1571 } 1572 1573 aparms.priority = tbl->priority; 1574 1575 /* 1576 * All failures after this succeeds require the entry to be 1577 * freed. cannot return directly on failure, but needs to goto 1578 * error. 1579 */ 1580 rc = tf_alloc_tcam_entry(tfp, &aparms); 1581 if (rc) { 1582 BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc); 1583 return rc; 1584 } 1585 idx = aparms.idx; 1586 hit = aparms.hit; 1587 } else { 1588 /* 1589 * Searching before allocation to see if we already have an 1590 * entry. This allows re-use of a constrained resource. 1591 */ 1592 searchparms.dir = tbl->direction; 1593 searchparms.tcam_tbl_type = tbl->resource_type; 1594 searchparms.key = ulp_blob_data_get(&key, &tmplen); 1595 searchparms.key_sz_in_bits = tbl->key_bit_size; 1596 searchparms.mask = ulp_blob_data_get(&mask, &tmplen); 1597 searchparms.priority = tbl->priority; 1598 searchparms.alloc = 1; 1599 searchparms.result = ulp_blob_data_get(&data, &tmplen); 1600 searchparms.result_sz_in_bits = tbl->result_bit_size; 1601 1602 rc = tf_search_tcam_entry(tfp, &searchparms); 1603 if (rc) { 1604 BNXT_TF_DBG(ERR, "tcam search failed rc=%d\n", rc); 1605 return rc; 1606 } 1607 1608 /* Successful search, check the result */ 1609 if (searchparms.search_status == REJECT) { 1610 BNXT_TF_DBG(ERR, "tcam alloc rejected\n"); 1611 return -ENOMEM; 1612 } 1613 idx = searchparms.idx; 1614 hit = searchparms.hit; 1615 } 1616 1617 /* if it is miss then it is same as no search before alloc */ 1618 if (!hit) 1619 search_flag = BNXT_ULP_SEARCH_BEFORE_ALLOC_NO; 1620 else 1621 search_flag = tbl->srch_b4_alloc; 1622 1623 switch (search_flag) { 1624 case BNXT_ULP_SEARCH_BEFORE_ALLOC_NO: 1625 /*Scan identifier list, allocate identifier and update regfile*/ 1626 rc = ulp_mapper_tcam_tbl_scan_ident_alloc(parms, tbl); 1627 /* Create the result blob */ 1628 if (!rc) 1629 rc = ulp_mapper_tcam_tbl_result_create(parms, tbl, 1630 &data); 1631 /* write the tcam entry */ 1632 if (!rc) 1633 rc = ulp_mapper_tcam_tbl_entry_write(parms, tbl, &key, 1634 &mask, &data, idx); 1635 break; 1636 case BNXT_ULP_SEARCH_BEFORE_ALLOC_SEARCH_IF_HIT_SKIP: 1637 /*Scan identifier list, extract identifier and update regfile*/ 1638 rc = ulp_mapper_tcam_tbl_scan_ident_extract(parms, tbl, &data); 1639 break; 1640 case BNXT_ULP_SEARCH_BEFORE_ALLOC_SEARCH_IF_HIT_UPDATE: 1641 /*Scan identifier list, extract identifier and update regfile*/ 1642 rc = ulp_mapper_tcam_tbl_scan_ident_extract(parms, tbl, &data); 1643 /* Create the result blob */ 1644 if (!rc) 1645 rc = ulp_mapper_tcam_tbl_result_create(parms, tbl, 1646 &update_data); 1647 /* Update/overwrite the tcam entry */ 1648 if (!rc) 1649 rc = ulp_mapper_tcam_tbl_entry_write(parms, tbl, &key, 1650 &mask, 1651 &update_data, idx); 1652 break; 1653 default: 1654 BNXT_TF_DBG(ERR, "invalid search opcode\n"); 1655 rc = -EINVAL; 1656 break; 1657 } 1658 if (rc) 1659 goto error; 1660 1661 /* 1662 * Only link the entry to the flow db in the event that cache was not 1663 * used. 1664 */ 1665 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) { 1666 fid_parms.direction = tbl->direction; 1667 fid_parms.resource_func = tbl->resource_func; 1668 fid_parms.resource_type = tbl->resource_type; 1669 fid_parms.critical_resource = tbl->critical_resource; 1670 fid_parms.resource_hndl = idx; 1671 rc = ulp_flow_db_resource_add(parms->ulp_ctx, 1672 parms->tbl_idx, 1673 parms->fid, 1674 &fid_parms); 1675 if (rc) { 1676 BNXT_TF_DBG(ERR, 1677 "Failed to link resource to flow rc = %d\n", 1678 rc); 1679 /* Need to free the identifier, so goto error */ 1680 goto error; 1681 } 1682 } else { 1683 /* 1684 * Reset the tcam table opcode to normal in case the next tcam 1685 * entry does not use cache. 1686 */ 1687 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL; 1688 parms->cache_ptr = NULL; 1689 } 1690 1691 return 0; 1692 error: 1693 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL; 1694 free_parms.dir = tbl->direction; 1695 free_parms.tcam_tbl_type = tbl->resource_type; 1696 free_parms.idx = idx; 1697 trc = tf_free_tcam_entry(tfp, &free_parms); 1698 if (trc) 1699 BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n", 1700 tbl->resource_type, tbl->direction, idx); 1701 1702 return rc; 1703 } 1704 1705 static int32_t 1706 ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms, 1707 struct bnxt_ulp_mapper_tbl_info *tbl) 1708 { 1709 struct bnxt_ulp_mapper_class_key_field_info *kflds; 1710 struct bnxt_ulp_mapper_result_field_info *dflds; 1711 struct ulp_blob key, data; 1712 uint32_t i, num_kflds, num_dflds; 1713 uint16_t tmplen; 1714 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx); 1715 struct ulp_flow_db_res_params fid_parms = { 0 }; 1716 struct tf_insert_em_entry_parms iparms = { 0 }; 1717 struct tf_delete_em_entry_parms free_parms = { 0 }; 1718 int32_t trc; 1719 enum bnxt_ulp_flow_mem_type mtype = parms->device_params->flow_mem_type; 1720 int32_t rc = 0; 1721 uint32_t encap_flds = 0; 1722 1723 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds); 1724 if (!kflds || !num_kflds) { 1725 BNXT_TF_DBG(ERR, "Failed to get key fields\n"); 1726 return -EINVAL; 1727 } 1728 1729 /* Initialize the key/result blobs */ 1730 if (!ulp_blob_init(&key, tbl->blob_key_bit_size, 1731 parms->device_params->byte_order) || 1732 !ulp_blob_init(&data, tbl->result_bit_size, 1733 parms->device_params->byte_order)) { 1734 BNXT_TF_DBG(ERR, "blob inits failed.\n"); 1735 return -EINVAL; 1736 } 1737 1738 /* create the key */ 1739 for (i = 0; i < num_kflds; i++) { 1740 /* Setup the key */ 1741 rc = ulp_mapper_keymask_field_process(parms, tbl->direction, 1742 &kflds[i], 1743 &key, 1, "EM Key"); 1744 if (rc) { 1745 BNXT_TF_DBG(ERR, "Key field set failed.\n"); 1746 return rc; 1747 } 1748 } 1749 1750 /* 1751 * TBD: Normally should process identifiers in case of using recycle or 1752 * loopback. Not supporting recycle for now. 1753 */ 1754 1755 /* Create the result data blob */ 1756 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds, &encap_flds); 1757 if (!dflds || !num_dflds || encap_flds) { 1758 BNXT_TF_DBG(ERR, "Failed to get data fields.\n"); 1759 return -EINVAL; 1760 } 1761 1762 for (i = 0; i < num_dflds; i++) { 1763 struct bnxt_ulp_mapper_result_field_info *fld; 1764 1765 fld = &dflds[i]; 1766 1767 rc = ulp_mapper_result_field_process(parms, 1768 tbl->direction, 1769 fld, 1770 &data, 1771 "EM Result"); 1772 if (rc) { 1773 BNXT_TF_DBG(ERR, "Failed to set data fields.\n"); 1774 return rc; 1775 } 1776 } 1777 1778 /* do the transpose for the internal EM keys */ 1779 if (tbl->resource_func == BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE) 1780 ulp_blob_perform_byte_reverse(&key); 1781 1782 rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, 1783 &iparms.tbl_scope_id); 1784 if (rc) { 1785 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc); 1786 return rc; 1787 } 1788 1789 /* 1790 * NOTE: the actual blob size will differ from the size in the tbl 1791 * entry due to the padding. 1792 */ 1793 iparms.dup_check = 0; 1794 iparms.dir = tbl->direction; 1795 iparms.mem = tbl->resource_type; 1796 iparms.key = ulp_blob_data_get(&key, &tmplen); 1797 iparms.key_sz_in_bits = tbl->key_bit_size; 1798 iparms.em_record = ulp_blob_data_get(&data, &tmplen); 1799 iparms.em_record_sz_in_bits = tbl->result_bit_size; 1800 1801 rc = tf_insert_em_entry(tfp, &iparms); 1802 if (rc) { 1803 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc); 1804 return rc; 1805 } 1806 1807 /* Mark action process */ 1808 if (mtype == BNXT_ULP_FLOW_MEM_TYPE_EXT && 1809 tbl->resource_type == TF_MEM_EXTERNAL) 1810 rc = ulp_mapper_mark_gfid_process(parms, tbl, iparms.flow_id); 1811 else if (mtype == BNXT_ULP_FLOW_MEM_TYPE_INT && 1812 tbl->resource_type == TF_MEM_INTERNAL) 1813 rc = ulp_mapper_mark_act_ptr_process(parms, tbl); 1814 if (rc) { 1815 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n"); 1816 goto error; 1817 } 1818 1819 /* Link the EM resource to the flow in the flow db */ 1820 memset(&fid_parms, 0, sizeof(fid_parms)); 1821 fid_parms.direction = tbl->direction; 1822 fid_parms.resource_func = tbl->resource_func; 1823 fid_parms.resource_type = tbl->resource_type; 1824 fid_parms.critical_resource = tbl->critical_resource; 1825 fid_parms.resource_hndl = iparms.flow_handle; 1826 1827 rc = ulp_flow_db_resource_add(parms->ulp_ctx, 1828 parms->tbl_idx, 1829 parms->fid, 1830 &fid_parms); 1831 if (rc) { 1832 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", 1833 rc); 1834 /* Need to free the identifier, so goto error */ 1835 goto error; 1836 } 1837 1838 return 0; 1839 error: 1840 free_parms.dir = iparms.dir; 1841 free_parms.mem = iparms.mem; 1842 free_parms.tbl_scope_id = iparms.tbl_scope_id; 1843 free_parms.flow_handle = iparms.flow_handle; 1844 1845 trc = tf_delete_em_entry(tfp, &free_parms); 1846 if (trc) 1847 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n"); 1848 1849 return rc; 1850 } 1851 1852 static int32_t 1853 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms, 1854 struct bnxt_ulp_mapper_tbl_info *tbl, 1855 bool is_class_tbl) 1856 { 1857 struct bnxt_ulp_mapper_result_field_info *flds; 1858 struct ulp_flow_db_res_params fid_parms; 1859 struct ulp_blob data; 1860 uint64_t idx = 0; 1861 uint16_t tmplen; 1862 uint32_t i, num_flds, index, hit; 1863 int32_t rc = 0, trc = 0; 1864 struct tf_alloc_tbl_entry_parms aparms = { 0 }; 1865 struct tf_search_tbl_entry_parms srchparms = { 0 }; 1866 struct tf_set_tbl_entry_parms sparms = { 0 }; 1867 struct tf_free_tbl_entry_parms free_parms = { 0 }; 1868 uint32_t tbl_scope_id; 1869 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx); 1870 uint16_t bit_size; 1871 uint32_t encap_flds = 0; 1872 1873 /* Get the scope id first */ 1874 rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id); 1875 if (rc) { 1876 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc); 1877 return rc; 1878 } 1879 1880 /* use the max size if encap is enabled */ 1881 if (tbl->encap_num_fields) 1882 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS; 1883 else 1884 bit_size = tbl->result_bit_size; 1885 1886 /* Initialize the blob data */ 1887 if (!ulp_blob_init(&data, bit_size, 1888 parms->device_params->byte_order)) { 1889 BNXT_TF_DBG(ERR, "Failed initial index table blob\n"); 1890 return -EINVAL; 1891 } 1892 1893 /* Get the result fields list */ 1894 if (is_class_tbl) 1895 flds = ulp_mapper_result_fields_get(tbl, &num_flds, 1896 &encap_flds); 1897 else 1898 flds = ulp_mapper_act_result_fields_get(tbl, &num_flds, 1899 &encap_flds); 1900 1901 if (!flds || (!num_flds && !encap_flds)) { 1902 BNXT_TF_DBG(ERR, "template undefined for the index table\n"); 1903 return -EINVAL; 1904 } 1905 1906 /* process the result fields, loop through them */ 1907 for (i = 0; i < (num_flds + encap_flds); i++) { 1908 /* set the swap index if encap swap bit is enabled */ 1909 if (parms->device_params->encap_byte_swap && encap_flds && 1910 (i == num_flds)) 1911 ulp_blob_encap_swap_idx_set(&data); 1912 1913 /* Process the result fields */ 1914 rc = ulp_mapper_result_field_process(parms, 1915 tbl->direction, 1916 &flds[i], 1917 &data, 1918 "Indexed Result"); 1919 if (rc) { 1920 BNXT_TF_DBG(ERR, "data field failed\n"); 1921 return rc; 1922 } 1923 } 1924 1925 /* if encap bit swap is enabled perform the bit swap */ 1926 if (parms->device_params->encap_byte_swap && encap_flds) { 1927 ulp_blob_perform_encap_swap(&data); 1928 } 1929 1930 /* 1931 * Check for index opcode, if it is Global then 1932 * no need to allocate the table, just set the table 1933 * and exit since it is not maintained in the flow db. 1934 */ 1935 if (tbl->index_opcode == BNXT_ULP_INDEX_OPCODE_GLOBAL) { 1936 /* get the index from index operand */ 1937 if (tbl->index_operand < BNXT_ULP_GLB_REGFILE_INDEX_LAST && 1938 ulp_mapper_glb_resource_read(parms->mapper_data, 1939 tbl->direction, 1940 tbl->index_operand, 1941 &idx)) { 1942 BNXT_TF_DBG(ERR, "Glbl regfile[%d] read failed.\n", 1943 tbl->index_operand); 1944 return -EINVAL; 1945 } 1946 /* set the Tf index table */ 1947 sparms.dir = tbl->direction; 1948 sparms.type = tbl->resource_type; 1949 sparms.data = ulp_blob_data_get(&data, &tmplen); 1950 sparms.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen); 1951 sparms.idx = tfp_be_to_cpu_64(idx); 1952 sparms.tbl_scope_id = tbl_scope_id; 1953 1954 rc = tf_set_tbl_entry(tfp, &sparms); 1955 if (rc) { 1956 BNXT_TF_DBG(ERR, 1957 "Glbl Set table[%d][%s][%d] failed rc=%d\n", 1958 sparms.type, 1959 (sparms.dir == TF_DIR_RX) ? "RX" : "TX", 1960 sparms.idx, 1961 rc); 1962 return rc; 1963 } 1964 return 0; /* success */ 1965 } 1966 1967 index = 0; 1968 hit = 0; 1969 /* Perform the tf table allocation by filling the alloc params */ 1970 if (tbl->srch_b4_alloc) { 1971 memset(&srchparms, 0, sizeof(srchparms)); 1972 srchparms.dir = tbl->direction; 1973 srchparms.type = tbl->resource_type; 1974 srchparms.alloc = 1; 1975 srchparms.result = ulp_blob_data_get(&data, &tmplen); 1976 srchparms.result_sz_in_bytes = ULP_BITS_2_BYTE(tmplen); 1977 srchparms.tbl_scope_id = tbl_scope_id; 1978 rc = tf_search_tbl_entry(tfp, &srchparms); 1979 if (rc) { 1980 BNXT_TF_DBG(ERR, "Alloc table[%s][%s] failed rc=%d\n", 1981 tf_tbl_type_2_str(tbl->resource_type), 1982 tf_dir_2_str(tbl->direction), rc); 1983 return rc; 1984 } 1985 if (srchparms.search_status == REJECT) { 1986 BNXT_TF_DBG(ERR, "Alloc table[%s][%s] rejected.\n", 1987 tf_tbl_type_2_str(tbl->resource_type), 1988 tf_dir_2_str(tbl->direction)); 1989 return -ENOMEM; 1990 } 1991 index = srchparms.idx; 1992 hit = srchparms.hit; 1993 } else { 1994 aparms.dir = tbl->direction; 1995 aparms.type = tbl->resource_type; 1996 aparms.search_enable = tbl->srch_b4_alloc; 1997 aparms.result = ulp_blob_data_get(&data, &tmplen); 1998 aparms.result_sz_in_bytes = ULP_BITS_2_BYTE(tmplen); 1999 aparms.tbl_scope_id = tbl_scope_id; 2000 2001 /* All failures after the alloc succeeds require a free */ 2002 rc = tf_alloc_tbl_entry(tfp, &aparms); 2003 if (rc) { 2004 BNXT_TF_DBG(ERR, "Alloc table[%s][%s] failed rc=%d\n", 2005 tf_tbl_type_2_str(tbl->resource_type), 2006 tf_dir_2_str(tbl->direction), rc); 2007 return rc; 2008 } 2009 index = aparms.idx; 2010 } 2011 /* 2012 * calculate the idx for the result record, for external EM the offset 2013 * needs to be shifted accordingly. If external non-inline table types 2014 * are used then need to revisit this logic. 2015 */ 2016 if (tbl->resource_type == TF_TBL_TYPE_EXT) 2017 idx = TF_ACT_REC_OFFSET_2_PTR(index); 2018 else 2019 idx = index; 2020 2021 /* Always storing values in Regfile in BE */ 2022 idx = tfp_cpu_to_be_64(idx); 2023 if (tbl->index_opcode == BNXT_ULP_INDEX_OPCODE_ALLOCATE) { 2024 rc = ulp_regfile_write(parms->regfile, tbl->index_operand, idx); 2025 if (!rc) { 2026 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n", 2027 tbl->index_operand); 2028 goto error; 2029 } 2030 } 2031 2032 /* Perform the tf table set by filling the set params */ 2033 if (!tbl->srch_b4_alloc || !hit) { 2034 sparms.dir = tbl->direction; 2035 sparms.type = tbl->resource_type; 2036 sparms.data = ulp_blob_data_get(&data, &tmplen); 2037 sparms.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen); 2038 sparms.idx = index; 2039 sparms.tbl_scope_id = tbl_scope_id; 2040 2041 rc = tf_set_tbl_entry(tfp, &sparms); 2042 if (rc) { 2043 BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n", 2044 sparms.type, 2045 (sparms.dir == TF_DIR_RX) ? "RX" : "TX", 2046 sparms.idx, 2047 rc); 2048 goto error; 2049 } 2050 } 2051 2052 /* Link the resource to the flow in the flow db */ 2053 memset(&fid_parms, 0, sizeof(fid_parms)); 2054 fid_parms.direction = tbl->direction; 2055 fid_parms.resource_func = tbl->resource_func; 2056 fid_parms.resource_type = tbl->resource_type; 2057 fid_parms.resource_sub_type = tbl->resource_sub_type; 2058 fid_parms.resource_hndl = index; 2059 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; 2060 2061 rc = ulp_flow_db_resource_add(parms->ulp_ctx, 2062 parms->tbl_idx, 2063 parms->fid, 2064 &fid_parms); 2065 if (rc) { 2066 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n", 2067 rc); 2068 goto error; 2069 } 2070 2071 /* Perform the VF rep action */ 2072 rc = ulp_mapper_mark_vfr_idx_process(parms, tbl); 2073 if (rc) { 2074 BNXT_TF_DBG(ERR, "Failed to add vfr mark rc = %d\n", rc); 2075 goto error; 2076 } 2077 return rc; 2078 error: 2079 /* 2080 * Free the allocated resource since we failed to either 2081 * write to the entry or link the flow 2082 */ 2083 free_parms.dir = tbl->direction; 2084 free_parms.type = tbl->resource_type; 2085 free_parms.idx = index; 2086 free_parms.tbl_scope_id = tbl_scope_id; 2087 2088 trc = tf_free_tbl_entry(tfp, &free_parms); 2089 if (trc) 2090 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n"); 2091 2092 return rc; 2093 } 2094 2095 static int32_t 2096 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms, 2097 struct bnxt_ulp_mapper_tbl_info *tbl) 2098 { 2099 struct bnxt_ulp_mapper_class_key_field_info *kflds; 2100 struct bnxt_ulp_mapper_cache_entry *cache_entry; 2101 struct bnxt_ulp_mapper_ident_info *idents; 2102 uint32_t i, num_kflds = 0, num_idents = 0; 2103 struct ulp_flow_db_res_params fid_parms; 2104 struct tf_free_identifier_parms fparms; 2105 uint16_t tmplen, tmp_ident; 2106 struct ulp_blob key; 2107 uint8_t *cache_key; 2108 uint64_t regval; 2109 uint16_t *ckey; 2110 int32_t rc; 2111 2112 /* Get the key fields list and build the key. */ 2113 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds); 2114 if (!kflds || !num_kflds) { 2115 BNXT_TF_DBG(ERR, "Failed to get key fields\n"); 2116 return -EINVAL; 2117 } 2118 if (!ulp_blob_init(&key, tbl->key_bit_size, 2119 parms->device_params->byte_order)) { 2120 BNXT_TF_DBG(ERR, "Failed to alloc blob\n"); 2121 return -EINVAL; 2122 } 2123 for (i = 0; i < num_kflds; i++) { 2124 /* Setup the key */ 2125 rc = ulp_mapper_keymask_field_process(parms, tbl->direction, 2126 &kflds[i], 2127 &key, 1, "Cache Key"); 2128 if (rc) { 2129 BNXT_TF_DBG(ERR, 2130 "Failed to create key for Cache rc=%d\n", 2131 rc); 2132 return -EINVAL; 2133 } 2134 } 2135 2136 /* 2137 * Perform the lookup in the cache table with constructed key. The 2138 * cache_key is a byte array of tmplen, it needs to be converted to a 2139 * index for the cache table. 2140 */ 2141 cache_key = ulp_blob_data_get(&key, &tmplen); 2142 ckey = (uint16_t *)cache_key; 2143 2144 /* 2145 * The id computed based on resource sub type and direction where 2146 * dir is the bit0 and rest of the bits come from resource 2147 * sub type. 2148 */ 2149 cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx, 2150 (tbl->resource_sub_type << 1 | 2151 (tbl->direction & 0x1)), 2152 *ckey); 2153 2154 /* 2155 * Get the identifier list for processing by both the hit and miss 2156 * processing. 2157 */ 2158 idents = ulp_mapper_ident_fields_get(tbl, &num_idents); 2159 2160 if (!cache_entry->ref_count) { 2161 /* Initialize the cache entry */ 2162 cache_entry->tcam_idx = 0; 2163 cache_entry->ref_count = 0; 2164 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++) 2165 cache_entry->idents[i] = ULP_IDENTS_INVALID; 2166 2167 /* Need to allocate identifiers for storing in the cache. */ 2168 for (i = 0; i < num_idents; i++) { 2169 /* 2170 * Since we are using the cache, the identifier does not 2171 * get added to the flow db. Pass in the pointer to the 2172 * tmp_ident. 2173 */ 2174 rc = ulp_mapper_ident_process(parms, tbl, 2175 &idents[i], &tmp_ident); 2176 if (rc) 2177 goto error; 2178 2179 cache_entry->ident_types[i] = idents[i].ident_type; 2180 cache_entry->idents[i] = tmp_ident; 2181 } 2182 2183 /* Tell the TCAM processor to alloc an entry */ 2184 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC; 2185 /* Store the cache key for use by the tcam process code */ 2186 parms->cache_ptr = cache_entry; 2187 } else { 2188 /* Cache hit, get values from result. */ 2189 for (i = 0; i < num_idents; i++) { 2190 regval = (uint64_t)cache_entry->idents[i]; 2191 if (!ulp_regfile_write(parms->regfile, 2192 idents[i].regfile_idx, 2193 tfp_cpu_to_be_64(regval))) { 2194 BNXT_TF_DBG(ERR, 2195 "Failed to write to regfile\n"); 2196 return -EINVAL; 2197 } 2198 } 2199 /* 2200 * The cached entry is being used, so let the tcam processing 2201 * know not to process this table. 2202 */ 2203 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP; 2204 } 2205 2206 /* Made through the cache processing, increment the reference count. */ 2207 cache_entry->ref_count++; 2208 2209 /* Link the cache to the flow db. */ 2210 memset(&fid_parms, 0, sizeof(fid_parms)); 2211 fid_parms.direction = tbl->direction; 2212 fid_parms.resource_func = tbl->resource_func; 2213 2214 /* 2215 * Cache resource type is composed of table_type, resource 2216 * sub type and direction, it needs to set appropriately via setter. 2217 */ 2218 ulp_mapper_cache_res_type_set(&fid_parms, 2219 tbl->resource_type, 2220 (tbl->resource_sub_type << 1 | 2221 (tbl->direction & 0x1))); 2222 fid_parms.resource_hndl = (uint64_t)*ckey; 2223 fid_parms.critical_resource = tbl->critical_resource; 2224 rc = ulp_flow_db_resource_add(parms->ulp_ctx, 2225 parms->tbl_idx, 2226 parms->fid, 2227 &fid_parms); 2228 if (rc) 2229 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n"); 2230 2231 return rc; 2232 error: 2233 /* 2234 * This error handling only gets called when the idents are being 2235 * allocated for the cache on misses. Using the num_idents that was 2236 * previously set. 2237 */ 2238 for (i = 0; i < num_idents; i++) { 2239 if (cache_entry->idents[i] == ULP_IDENTS_INVALID) 2240 continue; 2241 2242 fparms.dir = tbl->direction; 2243 fparms.ident_type = idents[i].ident_type; 2244 fparms.id = cache_entry->idents[i]; 2245 tf_free_identifier(parms->tfp, &fparms); 2246 } 2247 2248 return rc; 2249 } 2250 2251 static int32_t 2252 ulp_mapper_if_tbl_process(struct bnxt_ulp_mapper_parms *parms, 2253 struct bnxt_ulp_mapper_tbl_info *tbl) 2254 { 2255 struct bnxt_ulp_mapper_result_field_info *flds; 2256 struct ulp_blob data; 2257 uint64_t idx; 2258 uint16_t tmplen; 2259 uint32_t i, num_flds; 2260 int32_t rc = 0; 2261 struct tf_set_if_tbl_entry_parms iftbl_params = { 0 }; 2262 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx); 2263 uint32_t encap_flds; 2264 2265 /* Initialize the blob data */ 2266 if (!ulp_blob_init(&data, tbl->result_bit_size, 2267 parms->device_params->byte_order)) { 2268 BNXT_TF_DBG(ERR, "Failed initial index table blob\n"); 2269 return -EINVAL; 2270 } 2271 2272 /* Get the result fields list */ 2273 flds = ulp_mapper_result_fields_get(tbl, &num_flds, &encap_flds); 2274 2275 if (!flds || !num_flds || encap_flds) { 2276 BNXT_TF_DBG(ERR, "template undefined for the IF table\n"); 2277 return -EINVAL; 2278 } 2279 2280 /* process the result fields, loop through them */ 2281 for (i = 0; i < num_flds; i++) { 2282 /* Process the result fields */ 2283 rc = ulp_mapper_result_field_process(parms, 2284 tbl->direction, 2285 &flds[i], 2286 &data, 2287 "IFtable Result"); 2288 if (rc) { 2289 BNXT_TF_DBG(ERR, "data field failed\n"); 2290 return rc; 2291 } 2292 } 2293 2294 /* Get the index details from computed field */ 2295 if (tbl->index_opcode == BNXT_ULP_INDEX_OPCODE_COMP_FIELD) { 2296 idx = ULP_COMP_FLD_IDX_RD(parms, tbl->index_operand); 2297 } else if (tbl->index_opcode == BNXT_ULP_INDEX_OPCODE_CONSTANT) { 2298 idx = tbl->index_operand; 2299 } else { 2300 BNXT_TF_DBG(ERR, "Invalid tbl index opcode\n"); 2301 return -EINVAL; 2302 } 2303 2304 /* Perform the tf table set by filling the set params */ 2305 iftbl_params.dir = tbl->direction; 2306 iftbl_params.type = tbl->resource_type; 2307 iftbl_params.data = ulp_blob_data_get(&data, &tmplen); 2308 iftbl_params.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen); 2309 iftbl_params.idx = idx; 2310 2311 rc = tf_set_if_tbl_entry(tfp, &iftbl_params); 2312 if (rc) { 2313 BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n", 2314 iftbl_params.type, 2315 (iftbl_params.dir == TF_DIR_RX) ? "RX" : "TX", 2316 iftbl_params.idx, 2317 rc); 2318 return rc; 2319 } 2320 2321 /* 2322 * TBD: Need to look at the need to store idx in flow db for restore 2323 * the table to its original state on deletion of this entry. 2324 */ 2325 return rc; 2326 } 2327 2328 static int32_t 2329 ulp_mapper_glb_resource_info_init(struct bnxt_ulp_context *ulp_ctx, 2330 struct bnxt_ulp_mapper_data *mapper_data) 2331 { 2332 struct bnxt_ulp_glb_resource_info *glb_res; 2333 uint32_t num_glb_res_ids, idx; 2334 int32_t rc = 0; 2335 2336 glb_res = ulp_mapper_glb_resource_info_list_get(&num_glb_res_ids); 2337 if (!glb_res || !num_glb_res_ids) { 2338 BNXT_TF_DBG(ERR, "Invalid Arguments\n"); 2339 return -EINVAL; 2340 } 2341 2342 /* Iterate the global resources and process each one */ 2343 for (idx = 0; idx < num_glb_res_ids; idx++) { 2344 switch (glb_res[idx].resource_func) { 2345 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER: 2346 rc = ulp_mapper_resource_ident_allocate(ulp_ctx, 2347 mapper_data, 2348 &glb_res[idx]); 2349 break; 2350 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE: 2351 rc = ulp_mapper_resource_index_tbl_alloc(ulp_ctx, 2352 mapper_data, 2353 &glb_res[idx]); 2354 break; 2355 default: 2356 BNXT_TF_DBG(ERR, "Global resource %x not supported\n", 2357 glb_res[idx].resource_func); 2358 rc = -EINVAL; 2359 break; 2360 } 2361 if (rc) 2362 return rc; 2363 } 2364 return rc; 2365 } 2366 2367 /* 2368 * Function to process the conditional opcode of the mapper table. 2369 * returns 1 to skip the table. 2370 * return 0 to continue processing the table. 2371 */ 2372 static int32_t 2373 ulp_mapper_tbl_cond_opcode_process(struct bnxt_ulp_mapper_parms *parms, 2374 struct bnxt_ulp_mapper_tbl_info *tbl) 2375 { 2376 int32_t rc = 1; 2377 2378 switch (tbl->cond_opcode) { 2379 case BNXT_ULP_COND_OPCODE_NOP: 2380 rc = 0; 2381 break; 2382 case BNXT_ULP_COND_OPCODE_COMP_FIELD_IS_SET: 2383 if (tbl->cond_operand < BNXT_ULP_CF_IDX_LAST && 2384 ULP_COMP_FLD_IDX_RD(parms, tbl->cond_operand)) 2385 rc = 0; 2386 break; 2387 case BNXT_ULP_COND_OPCODE_ACTION_BIT_IS_SET: 2388 if (ULP_BITMAP_ISSET(parms->act_bitmap->bits, 2389 tbl->cond_operand)) 2390 rc = 0; 2391 break; 2392 case BNXT_ULP_COND_OPCODE_HDR_BIT_IS_SET: 2393 if (ULP_BITMAP_ISSET(parms->hdr_bitmap->bits, 2394 tbl->cond_operand)) 2395 rc = 0; 2396 break; 2397 case BNXT_ULP_COND_OPCODE_COMP_FIELD_NOT_SET: 2398 if (tbl->cond_operand < BNXT_ULP_CF_IDX_LAST && 2399 !ULP_COMP_FLD_IDX_RD(parms, tbl->cond_operand)) 2400 rc = 0; 2401 break; 2402 case BNXT_ULP_COND_OPCODE_ACTION_BIT_NOT_SET: 2403 if (!ULP_BITMAP_ISSET(parms->act_bitmap->bits, 2404 tbl->cond_operand)) 2405 rc = 0; 2406 break; 2407 case BNXT_ULP_COND_OPCODE_HDR_BIT_NOT_SET: 2408 if (!ULP_BITMAP_ISSET(parms->hdr_bitmap->bits, 2409 tbl->cond_operand)) 2410 rc = 0; 2411 break; 2412 default: 2413 BNXT_TF_DBG(ERR, 2414 "Invalid arg in mapper tbl for cond opcode\n"); 2415 break; 2416 } 2417 return rc; 2418 } 2419 2420 /* 2421 * Function to process the action template. Iterate through the list 2422 * action info templates and process it. 2423 */ 2424 static int32_t 2425 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms) 2426 { 2427 uint32_t i; 2428 int32_t rc = 0; 2429 struct bnxt_ulp_mapper_tbl_info *tbl; 2430 2431 if (!parms->atbls || !parms->num_atbls) { 2432 BNXT_TF_DBG(ERR, "No action tables for template[%d][%d].\n", 2433 parms->dev_id, parms->act_tid); 2434 return -EINVAL; 2435 } 2436 2437 for (i = 0; i < parms->num_atbls; i++) { 2438 tbl = &parms->atbls[i]; 2439 if (ulp_mapper_tbl_cond_opcode_process(parms, tbl)) 2440 continue; 2441 2442 switch (tbl->resource_func) { 2443 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE: 2444 rc = ulp_mapper_index_tbl_process(parms, tbl, false); 2445 if (rc) { 2446 BNXT_TF_DBG(ERR, "Resource type %d failed\n", 2447 tbl->resource_func); 2448 return rc; 2449 } 2450 break; 2451 default: 2452 BNXT_TF_DBG(ERR, "Unexpected action resource %d\n", 2453 tbl->resource_func); 2454 return -EINVAL; 2455 } 2456 } 2457 2458 return rc; 2459 } 2460 2461 /* Create the classifier table entries for a flow. */ 2462 static int32_t 2463 ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms) 2464 { 2465 uint32_t i; 2466 int32_t rc = 0; 2467 2468 if (!parms) 2469 return -EINVAL; 2470 2471 if (!parms->ctbls || !parms->num_ctbls) { 2472 BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n", 2473 parms->dev_id, parms->class_tid); 2474 return -EINVAL; 2475 } 2476 2477 for (i = 0; i < parms->num_ctbls; i++) { 2478 struct bnxt_ulp_mapper_tbl_info *tbl = &parms->ctbls[i]; 2479 2480 if (ulp_mapper_tbl_cond_opcode_process(parms, tbl)) 2481 continue; 2482 2483 switch (tbl->resource_func) { 2484 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE: 2485 rc = ulp_mapper_tcam_tbl_process(parms, tbl); 2486 break; 2487 case BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE: 2488 case BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE: 2489 rc = ulp_mapper_em_tbl_process(parms, tbl); 2490 break; 2491 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE: 2492 rc = ulp_mapper_index_tbl_process(parms, tbl, true); 2493 break; 2494 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE: 2495 rc = ulp_mapper_cache_tbl_process(parms, tbl); 2496 break; 2497 case BNXT_ULP_RESOURCE_FUNC_IF_TABLE: 2498 rc = ulp_mapper_if_tbl_process(parms, tbl); 2499 break; 2500 default: 2501 BNXT_TF_DBG(ERR, "Unexpected class resource %d\n", 2502 tbl->resource_func); 2503 return -EINVAL; 2504 } 2505 2506 if (rc) { 2507 BNXT_TF_DBG(ERR, "Resource type %d failed\n", 2508 tbl->resource_func); 2509 return rc; 2510 } 2511 } 2512 2513 return rc; 2514 } 2515 2516 static int32_t 2517 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp, 2518 struct ulp_flow_db_res_params *res) 2519 { 2520 struct tf *tfp; 2521 int32_t rc = 0; 2522 2523 if (!res || !ulp) { 2524 BNXT_TF_DBG(ERR, "Unable to free resource\n "); 2525 return -EINVAL; 2526 } 2527 2528 tfp = bnxt_ulp_cntxt_tfp_get(ulp); 2529 if (!tfp) { 2530 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n"); 2531 return -EINVAL; 2532 } 2533 2534 switch (res->resource_func) { 2535 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE: 2536 rc = ulp_mapper_cache_entry_free(ulp, tfp, res); 2537 break; 2538 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE: 2539 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res); 2540 break; 2541 case BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE: 2542 case BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE: 2543 rc = ulp_mapper_em_entry_free(ulp, tfp, res); 2544 break; 2545 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE: 2546 rc = ulp_mapper_index_entry_free(ulp, tfp, res); 2547 break; 2548 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER: 2549 rc = ulp_mapper_ident_free(ulp, tfp, res); 2550 break; 2551 case BNXT_ULP_RESOURCE_FUNC_HW_FID: 2552 rc = ulp_mapper_mark_free(ulp, res); 2553 break; 2554 default: 2555 break; 2556 } 2557 2558 return rc; 2559 } 2560 2561 int32_t 2562 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx, 2563 uint32_t fid, 2564 enum bnxt_ulp_flow_db_tables tbl_type) 2565 { 2566 struct ulp_flow_db_res_params res_parms = { 0 }; 2567 int32_t rc, trc; 2568 2569 if (!ulp_ctx) { 2570 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n"); 2571 return -EINVAL; 2572 } 2573 2574 /* 2575 * Set the critical resource on the first resource del, then iterate 2576 * while status is good 2577 */ 2578 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_YES; 2579 rc = ulp_flow_db_resource_del(ulp_ctx, tbl_type, fid, &res_parms); 2580 2581 if (rc) { 2582 /* 2583 * This is unexpected on the first call to resource del. 2584 * It likely means that the flow did not exist in the flow db. 2585 */ 2586 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n", 2587 tbl_type, fid, rc); 2588 return rc; 2589 } 2590 2591 while (!rc) { 2592 trc = ulp_mapper_resource_free(ulp_ctx, &res_parms); 2593 if (trc) 2594 /* 2595 * On fail, we still need to attempt to free the 2596 * remaining resources. Don't return 2597 */ 2598 BNXT_TF_DBG(ERR, 2599 "Flow[%d][0x%x] Res[%d][0x%016" PRIx64 2600 "] failed rc=%d.\n", 2601 tbl_type, fid, res_parms.resource_func, 2602 res_parms.resource_hndl, trc); 2603 2604 /* All subsequent call require the non-critical_resource */ 2605 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; 2606 2607 rc = ulp_flow_db_resource_del(ulp_ctx, 2608 tbl_type, 2609 fid, 2610 &res_parms); 2611 } 2612 2613 /* Free the Flow ID since we've removed all resources */ 2614 rc = ulp_flow_db_fid_free(ulp_ctx, tbl_type, fid); 2615 2616 return rc; 2617 } 2618 2619 static void 2620 ulp_mapper_glb_resource_info_deinit(struct bnxt_ulp_context *ulp_ctx, 2621 struct bnxt_ulp_mapper_data *mapper_data) 2622 { 2623 struct bnxt_ulp_mapper_glb_resource_entry *ent; 2624 struct ulp_flow_db_res_params res; 2625 uint32_t dir, idx; 2626 2627 /* Iterate the global resources and process each one */ 2628 for (dir = TF_DIR_RX; dir < TF_DIR_MAX; dir++) { 2629 for (idx = 0; idx < BNXT_ULP_GLB_RESOURCE_TBL_MAX_SZ; 2630 idx++) { 2631 ent = &mapper_data->glb_res_tbl[dir][idx]; 2632 if (ent->resource_func == 2633 BNXT_ULP_RESOURCE_FUNC_INVALID) 2634 continue; 2635 memset(&res, 0, sizeof(struct ulp_flow_db_res_params)); 2636 res.resource_func = ent->resource_func; 2637 res.direction = dir; 2638 res.resource_type = ent->resource_type; 2639 /*convert it from BE to cpu */ 2640 res.resource_hndl = 2641 tfp_be_to_cpu_64(ent->resource_hndl); 2642 ulp_mapper_resource_free(ulp_ctx, &res); 2643 } 2644 } 2645 } 2646 2647 int32_t 2648 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid, 2649 enum bnxt_ulp_flow_db_tables flow_tbl_type) 2650 { 2651 if (!ulp_ctx) { 2652 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n"); 2653 return -EINVAL; 2654 } 2655 2656 return ulp_mapper_resources_free(ulp_ctx, fid, flow_tbl_type); 2657 } 2658 2659 /* Function to handle the default global templates that are allocated during 2660 * the startup and reused later. 2661 */ 2662 static int32_t 2663 ulp_mapper_glb_template_table_init(struct bnxt_ulp_context *ulp_ctx) 2664 { 2665 uint32_t *glbl_tmpl_list; 2666 uint32_t num_glb_tmpls, idx, dev_id; 2667 struct bnxt_ulp_mapper_parms parms; 2668 struct bnxt_ulp_mapper_data *mapper_data; 2669 int32_t rc = 0; 2670 2671 glbl_tmpl_list = ulp_mapper_glb_template_table_get(&num_glb_tmpls); 2672 if (!glbl_tmpl_list || !num_glb_tmpls) 2673 return rc; /* No global templates to process */ 2674 2675 /* Get the device id from the ulp context */ 2676 if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id)) { 2677 BNXT_TF_DBG(ERR, "Invalid ulp context\n"); 2678 return -EINVAL; 2679 } 2680 2681 mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx); 2682 if (!mapper_data) { 2683 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n"); 2684 return -EINVAL; 2685 } 2686 2687 /* Iterate the global resources and process each one */ 2688 for (idx = 0; idx < num_glb_tmpls; idx++) { 2689 /* Initialize the parms structure */ 2690 memset(&parms, 0, sizeof(parms)); 2691 parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx); 2692 parms.ulp_ctx = ulp_ctx; 2693 parms.dev_id = dev_id; 2694 parms.mapper_data = mapper_data; 2695 2696 /* Get the class table entry from dev id and class id */ 2697 parms.class_tid = glbl_tmpl_list[idx]; 2698 parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id, 2699 parms.class_tid, 2700 &parms.num_ctbls, 2701 &parms.tbl_idx); 2702 if (!parms.ctbls || !parms.num_ctbls) { 2703 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n", 2704 parms.dev_id, parms.class_tid); 2705 return -EINVAL; 2706 } 2707 parms.device_params = bnxt_ulp_device_params_get(parms.dev_id); 2708 if (!parms.device_params) { 2709 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n", 2710 parms.dev_id, parms.class_tid); 2711 return -EINVAL; 2712 } 2713 rc = ulp_mapper_class_tbls_process(&parms); 2714 if (rc) { 2715 BNXT_TF_DBG(ERR, 2716 "class tables failed creation for %d:%d\n", 2717 parms.dev_id, parms.class_tid); 2718 return rc; 2719 } 2720 } 2721 return rc; 2722 } 2723 2724 /* Function to handle the mapping of the Flow to be compatible 2725 * with the underlying hardware. 2726 */ 2727 int32_t 2728 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx, 2729 struct bnxt_ulp_mapper_create_parms *cparms, 2730 uint32_t *flowid) 2731 { 2732 struct bnxt_ulp_mapper_parms parms; 2733 struct ulp_regfile regfile; 2734 int32_t rc, trc; 2735 2736 if (!ulp_ctx || !cparms) 2737 return -EINVAL; 2738 2739 /* Initialize the parms structure */ 2740 memset(&parms, 0, sizeof(parms)); 2741 parms.act_prop = cparms->act_prop; 2742 parms.act_bitmap = cparms->act; 2743 parms.hdr_bitmap = cparms->hdr_bitmap; 2744 parms.regfile = ®file; 2745 parms.hdr_field = cparms->hdr_field; 2746 parms.comp_fld = cparms->comp_fld; 2747 parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx); 2748 parms.ulp_ctx = ulp_ctx; 2749 parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL; 2750 2751 /* Get the device id from the ulp context */ 2752 if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) { 2753 BNXT_TF_DBG(ERR, "Invalid ulp context\n"); 2754 return -EINVAL; 2755 } 2756 2757 /* 2758 * Get the mapper data for dynamic mapper data such as default 2759 * ids. 2760 */ 2761 parms.mapper_data = (struct bnxt_ulp_mapper_data *) 2762 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx); 2763 if (!parms.mapper_data) { 2764 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n"); 2765 return -EINVAL; 2766 } 2767 2768 /* Get the action table entry from device id and act context id */ 2769 parms.act_tid = cparms->act_tid; 2770 2771 /* 2772 * Perform the action table get only if act template is not zero 2773 * for act template zero like for default rules ignore the action 2774 * table processing. 2775 */ 2776 if (parms.act_tid) { 2777 parms.atbls = ulp_mapper_action_tbl_list_get(parms.dev_id, 2778 parms.act_tid, 2779 &parms.num_atbls); 2780 if (!parms.atbls || !parms.num_atbls) { 2781 BNXT_TF_DBG(ERR, "No action tables for %d:%d\n", 2782 parms.dev_id, parms.act_tid); 2783 return -EINVAL; 2784 } 2785 } 2786 2787 /* Get the class table entry from device id and act context id */ 2788 parms.class_tid = cparms->class_tid; 2789 parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id, 2790 parms.class_tid, 2791 &parms.num_ctbls, 2792 &parms.tbl_idx); 2793 if (!parms.ctbls || !parms.num_ctbls) { 2794 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n", 2795 parms.dev_id, parms.class_tid); 2796 return -EINVAL; 2797 } 2798 2799 /* Get the device params, it will be used in later processing */ 2800 parms.device_params = bnxt_ulp_device_params_get(parms.dev_id); 2801 if (!parms.device_params) { 2802 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n", 2803 parms.dev_id, parms.class_tid); 2804 return -EINVAL; 2805 } 2806 2807 /* initialize the registry file for further processing */ 2808 if (!ulp_regfile_init(parms.regfile)) { 2809 BNXT_TF_DBG(ERR, "regfile initialization failed.\n"); 2810 return -EINVAL; 2811 } 2812 2813 rc = ulp_regfile_write(parms.regfile, 2814 BNXT_ULP_REGFILE_INDEX_CLASS_TID, 2815 tfp_cpu_to_be_64((uint64_t)parms.class_tid)); 2816 if (!rc) { 2817 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n"); 2818 return -EINVAL; 2819 } 2820 2821 /* Allocate a Flow ID for attaching all resources for the flow to. 2822 * Once allocated, all errors have to walk the list of resources and 2823 * free each of them. 2824 */ 2825 rc = ulp_flow_db_fid_alloc(ulp_ctx, 2826 parms.tbl_idx, 2827 cparms->func_id, 2828 &parms.fid); 2829 if (rc) { 2830 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n"); 2831 return rc; 2832 } 2833 2834 /* Process the action template list from the selected action table*/ 2835 if (parms.act_tid) { 2836 rc = ulp_mapper_action_tbls_process(&parms); 2837 if (rc) { 2838 BNXT_TF_DBG(ERR, 2839 "action tables failed creation for %d:%d\n", 2840 parms.dev_id, parms.act_tid); 2841 goto flow_error; 2842 } 2843 } 2844 2845 /* All good. Now process the class template */ 2846 rc = ulp_mapper_class_tbls_process(&parms); 2847 if (rc) { 2848 BNXT_TF_DBG(ERR, "class tables failed creation for %d:%d\n", 2849 parms.dev_id, parms.class_tid); 2850 goto flow_error; 2851 } 2852 2853 *flowid = parms.fid; 2854 2855 return rc; 2856 2857 flow_error: 2858 /* Free all resources that were allocated during flow creation */ 2859 trc = ulp_mapper_flow_destroy(ulp_ctx, parms.fid, 2860 BNXT_ULP_REGULAR_FLOW_TABLE); 2861 if (trc) 2862 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc); 2863 2864 return rc; 2865 } 2866 2867 int32_t 2868 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx) 2869 { 2870 struct bnxt_ulp_cache_tbl_params *tbl; 2871 struct bnxt_ulp_mapper_data *data; 2872 uint32_t i; 2873 struct tf *tfp; 2874 int32_t rc, csize; 2875 2876 if (!ulp_ctx) 2877 return -EINVAL; 2878 2879 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx); 2880 if (!tfp) 2881 return -EINVAL; 2882 2883 data = rte_zmalloc("ulp_mapper_data", 2884 sizeof(struct bnxt_ulp_mapper_data), 0); 2885 if (!data) { 2886 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n"); 2887 return -ENOMEM; 2888 } 2889 2890 if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) { 2891 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n"); 2892 /* Don't call deinit since the prof_func wasn't allocated. */ 2893 rte_free(data); 2894 return -ENOMEM; 2895 } 2896 2897 /* Allocate the global resource ids */ 2898 rc = ulp_mapper_glb_resource_info_init(ulp_ctx, data); 2899 if (rc) { 2900 BNXT_TF_DBG(ERR, "Failed to initialize global resource ids\n"); 2901 goto error; 2902 } 2903 2904 /* Allocate the ulp cache tables. */ 2905 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) { 2906 tbl = ulp_mapper_cache_tbl_params_get(i); 2907 if (!tbl) { 2908 BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)", 2909 i); 2910 goto error; 2911 } 2912 if (tbl->num_entries != 0) { 2913 csize = sizeof(struct bnxt_ulp_mapper_cache_entry) * 2914 tbl->num_entries; 2915 data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl", 2916 csize, 0); 2917 if (!data->cache_tbl[i]) { 2918 BNXT_TF_DBG(ERR, "Failed to allocate Cache " 2919 "table %d.\n", i); 2920 rc = -ENOMEM; 2921 goto error; 2922 } 2923 } 2924 } 2925 2926 rc = ulp_mapper_glb_template_table_init(ulp_ctx); 2927 if (rc) { 2928 BNXT_TF_DBG(ERR, "Failed to initialize global templates\n"); 2929 goto error; 2930 } 2931 2932 return 0; 2933 error: 2934 /* Ignore the return code in favor of returning the original error. */ 2935 ulp_mapper_deinit(ulp_ctx); 2936 return rc; 2937 } 2938 2939 void 2940 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx) 2941 { 2942 struct bnxt_ulp_mapper_data *data; 2943 uint32_t i; 2944 struct tf *tfp; 2945 2946 if (!ulp_ctx) { 2947 BNXT_TF_DBG(ERR, 2948 "Failed to acquire ulp context, so data may " 2949 "not be released.\n"); 2950 return; 2951 } 2952 2953 data = (struct bnxt_ulp_mapper_data *) 2954 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx); 2955 if (!data) { 2956 /* Go ahead and return since there is no allocated data. */ 2957 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n"); 2958 return; 2959 } 2960 2961 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx); 2962 if (!tfp) { 2963 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n"); 2964 /* Free the mapper data regardless of errors. */ 2965 goto free_mapper_data; 2966 } 2967 2968 /* Free the global resource info table entries */ 2969 ulp_mapper_glb_resource_info_deinit(ulp_ctx, data); 2970 2971 free_mapper_data: 2972 /* Free the ulp cache tables */ 2973 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) { 2974 rte_free(data->cache_tbl[i]); 2975 data->cache_tbl[i] = NULL; 2976 } 2977 2978 rte_free(data); 2979 /* Reset the data pointer within the ulp_ctx. */ 2980 bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL); 2981 } 2982