1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2020 Broadcom
7 #include <rte_malloc.h>
9 #include "ulp_template_db.h"
10 #include "ulp_template_struct.h"
11 #include "bnxt_tf_common.h"
12 #include "ulp_utils.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"
20 static struct bnxt_ulp_def_ident_info *
21 ulp_mapper_def_ident_info_list_get(uint32_t *num_entries)
25 *num_entries = BNXT_ULP_DEF_IDENT_INFO_TBL_MAX_SZ;
26 return ulp_def_ident_tbl;
30 * Read a default identifier from the mapper regfile.
32 * The regval is always returned in big-endian.
34 * returns 0 on success
37 ulp_mapper_def_regfile_read(struct bnxt_ulp_mapper_data *mapper_data,
42 if (!mapper_data || !regval ||
43 dir >= TF_DIR_MAX || idx >= BNXT_ULP_DEF_REGFILE_INDEX_LAST)
45 *regval = mapper_data->dflt_ids[dir][idx].ident;
50 * Write a default identifier to the mapper regfile
52 * The regval value must be in big-endian.
54 * return 0 on success.
57 ulp_mapper_def_regfile_write(struct bnxt_ulp_mapper_data *mapper_data,
62 if (!mapper_data || dir >= TF_DIR_MAX ||
63 idx >= BNXT_ULP_DEF_REGFILE_INDEX_LAST)
65 mapper_data->dflt_ids[dir][idx].ident = regval;
69 /* Retrieve the cache initialization parameters for the tbl_idx */
70 static struct bnxt_ulp_cache_tbl_params *
71 ulp_mapper_cache_tbl_params_get(uint32_t tbl_idx)
73 if (tbl_idx >= BNXT_ULP_CACHE_TBL_MAX_SZ)
76 return &ulp_cache_tbl_params[tbl_idx];
80 * Get the size of the action property for a given index.
82 * idx [in] The index for the action property
84 * returns the size of the action property.
87 ulp_mapper_act_prop_size_get(uint32_t idx)
89 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST)
91 return ulp_act_prop_map_table[idx];
95 * Get the list of result fields that implement the flow action.
96 * Gets a device dependent list of tables that implement the action template id.
98 * dev_id [in] The device id of the forwarding element
100 * tid [in] The action template id that matches the flow
102 * num_tbls [out] The number of action tables in the returned array
104 * Returns An array of action tables to implement the flow, or NULL on error.
106 static struct bnxt_ulp_mapper_act_tbl_info *
107 ulp_mapper_action_tbl_list_get(uint32_t dev_id,
115 BNXT_TF_DBG(ERR, "Invalid arguments\n");
119 /* template shift and device mask */
120 tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
122 /* NOTE: Need to have something from template compiler to help validate
123 * range of dev_id and act_tid
125 idx = ulp_act_tmpl_list[tidx].start_tbl_idx;
126 *num_tbls = ulp_act_tmpl_list[tidx].num_tbls;
128 return &ulp_act_tbl_list[idx];
131 /** Get a list of classifier tables that implement the flow
132 * Gets a device dependent list of tables that implement the class template id
134 * dev_id [in] The device id of the forwarding element
136 * tid [in] The template id that matches the flow
138 * num_tbls [out] The number of classifier tables in the returned array
140 * returns An array of classifier tables to implement the flow, or NULL on
143 static struct bnxt_ulp_mapper_class_tbl_info *
144 ulp_mapper_class_tbl_list_get(uint32_t dev_id,
149 uint32_t tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
154 /* NOTE: Need to have something from template compiler to help validate
155 * range of dev_id and tid
157 idx = ulp_class_tmpl_list[tidx].start_tbl_idx;
158 *num_tbls = ulp_class_tmpl_list[tidx].num_tbls;
160 return &ulp_class_tbl_list[idx];
164 * Get the list of key fields that implement the flow.
166 * ctxt [in] The ulp context
168 * tbl [in] A single table instance to get the key fields from
170 * num_flds [out] The number of key fields in the returned array
172 * Returns array of Key fields, or NULL on error.
174 static struct bnxt_ulp_mapper_class_key_field_info *
175 ulp_mapper_key_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
180 if (!tbl || !num_flds)
183 idx = tbl->key_start_idx;
184 *num_flds = tbl->key_num_fields;
186 /* NOTE: Need template to provide range checking define */
187 return &ulp_class_key_field_list[idx];
191 * Get the list of data fields that implement the flow.
193 * ctxt [in] The ulp context
195 * tbl [in] A single table instance to get the data fields from
197 * num_flds [out] The number of data fields in the returned array.
199 * Returns array of data fields, or NULL on error.
201 static struct bnxt_ulp_mapper_result_field_info *
202 ulp_mapper_result_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
207 if (!tbl || !num_flds)
210 idx = tbl->result_start_idx;
211 *num_flds = tbl->result_num_fields;
213 /* NOTE: Need template to provide range checking define */
214 return &ulp_class_result_field_list[idx];
218 * Get the list of result fields that implement the flow action.
220 * tbl [in] A single table instance to get the results fields
221 * from num_flds [out] The number of data fields in the returned
224 * Returns array of data fields, or NULL on error.
226 static struct bnxt_ulp_mapper_result_field_info *
227 ulp_mapper_act_result_fields_get(struct bnxt_ulp_mapper_act_tbl_info *tbl,
228 uint32_t *num_rslt_flds,
229 uint32_t *num_encap_flds)
233 if (!tbl || !num_rslt_flds || !num_encap_flds)
236 idx = tbl->result_start_idx;
237 *num_rslt_flds = tbl->result_num_fields;
238 *num_encap_flds = tbl->encap_num_fields;
240 /* NOTE: Need template to provide range checking define */
241 return &ulp_act_result_field_list[idx];
245 * Get the list of ident fields that implement the flow
247 * tbl [in] A single table instance to get the ident fields from
249 * num_flds [out] The number of ident fields in the returned array
251 * returns array of ident fields, or NULL on error
253 static struct bnxt_ulp_mapper_ident_info *
254 ulp_mapper_ident_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
259 if (!tbl || !num_flds)
262 idx = tbl->ident_start_idx;
263 *num_flds = tbl->ident_nums;
265 /* NOTE: Need template to provide range checking define */
266 return &ulp_ident_list[idx];
269 static struct bnxt_ulp_mapper_cache_entry *
270 ulp_mapper_cache_entry_get(struct bnxt_ulp_context *ulp,
271 enum bnxt_ulp_cache_tbl_id id,
274 struct bnxt_ulp_mapper_data *mapper_data;
276 mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp);
277 if (!mapper_data || !mapper_data->cache_tbl[id]) {
278 BNXT_TF_DBG(ERR, "Unable to acquire the cache tbl (%d)\n", id);
282 return &mapper_data->cache_tbl[id][key];
286 * Concatenates the tbl_type and tbl_id into a 32bit value for storing in the
287 * resource_type. This is done to conserve memory since both the tbl_type and
291 ulp_mapper_cache_res_type_set(struct ulp_flow_db_res_params *res,
296 ((uint32_t)tbl_id << ULP_MAPPER_CACHE_RES_TBL_ID_SHFT) |
297 ((uint32_t)tbl_type << ULP_MAPPER_CACHE_RES_TBL_TYPE_SHFT);
300 /* Extracts the tbl_type and tbl_id from the 32bit resource type. */
302 ulp_mapper_cache_res_type_get(struct ulp_flow_db_res_params *res,
306 *tbl_type = (uint16_t)((res->resource_type >>
307 ULP_MAPPER_CACHE_RES_TBL_TYPE_SHFT) &
308 ULP_MAPPER_CACHE_RES_TBL_MASK);
309 *tbl_id = (uint16_t)((res->resource_type >>
310 ULP_MAPPER_CACHE_RES_TBL_ID_SHFT) &
311 ULP_MAPPER_CACHE_RES_TBL_MASK);
315 ulp_mapper_cache_entry_free(struct bnxt_ulp_context *ulp,
317 struct ulp_flow_db_res_params *res)
319 struct bnxt_ulp_mapper_cache_entry *cache_entry;
320 struct tf_free_identifier_parms ident_parms;
321 struct tf_free_tcam_entry_parms tcam_parms;
322 uint16_t table_id, table_type;
326 * The table id, used for cache, and table_type, used for tcam, are
327 * both encoded within the resource. We must first extract them to
328 * formulate the args for tf calls.
330 ulp_mapper_cache_res_type_get(res, &table_type, &table_id);
332 cache_entry = ulp_mapper_cache_entry_get(ulp, table_id,
333 (uint16_t)res->resource_hndl);
334 if (!cache_entry || !cache_entry->ref_count) {
335 BNXT_TF_DBG(ERR, "Cache entry (%d:%d) not valid on free.\n",
336 table_id, (uint16_t)res->resource_hndl);
341 * See if we need to delete the entry. The tcam and identifiers are all
342 * tracked by the cached entries reference count. All are deleted when
343 * the reference count hit zero.
345 cache_entry->ref_count--;
346 if (cache_entry->ref_count)
350 * Need to delete the tcam entry and the allocated identifiers.
351 * In the event of a failure, need to try to delete the remaining
352 * resources before returning error.
354 tcam_parms.dir = res->direction;
355 tcam_parms.tcam_tbl_type = table_type;
356 tcam_parms.idx = cache_entry->tcam_idx;
357 rc = tf_free_tcam_entry(tfp, &tcam_parms);
359 BNXT_TF_DBG(ERR, "Failed to free tcam [%d][%s][0x%04x] rc=%d\n",
361 (res->direction == TF_DIR_RX) ? "RX" : "TX",
365 * Free the identifiers associated with the tcam entry. Entries with
366 * negative one are considered uninitialized.
368 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++) {
369 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
372 ident_parms.dir = res->direction;
373 ident_parms.ident_type = cache_entry->ident_types[i];
374 ident_parms.id = cache_entry->idents[i];
375 trc = tf_free_identifier(tfp, &ident_parms);
377 BNXT_TF_DBG(ERR, "Failed to free identifier "
378 "[%d][%s][0x%04x] rc=%d\n",
379 ident_parms.ident_type,
380 (res->direction == TF_DIR_RX) ? "RX" : "TX",
381 ident_parms.id, trc);
389 static inline int32_t
390 ulp_mapper_tcam_entry_free(struct bnxt_ulp_context *ulp __rte_unused,
392 struct ulp_flow_db_res_params *res)
394 struct tf_free_tcam_entry_parms fparms = {
395 .dir = res->direction,
396 .tcam_tbl_type = res->resource_type,
397 .idx = (uint16_t)res->resource_hndl
400 return tf_free_tcam_entry(tfp, &fparms);
403 static inline int32_t
404 ulp_mapper_index_entry_free(struct bnxt_ulp_context *ulp,
406 struct ulp_flow_db_res_params *res)
408 struct tf_free_tbl_entry_parms fparms = {
409 .dir = res->direction,
410 .type = res->resource_type,
411 .idx = (uint32_t)res->resource_hndl
415 * Just set the table scope, it will be ignored if not necessary
416 * by the tf_free_tbl_entry
418 bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
420 return tf_free_tbl_entry(tfp, &fparms);
423 static inline int32_t
424 ulp_mapper_eem_entry_free(struct bnxt_ulp_context *ulp,
426 struct ulp_flow_db_res_params *res)
428 struct tf_delete_em_entry_parms fparms = { 0 };
431 fparms.dir = res->direction;
432 fparms.mem = TF_MEM_EXTERNAL;
433 fparms.flow_handle = res->resource_hndl;
435 rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
437 BNXT_TF_DBG(ERR, "Failed to get table scope\n");
441 return tf_delete_em_entry(tfp, &fparms);
444 static inline int32_t
445 ulp_mapper_ident_free(struct bnxt_ulp_context *ulp __rte_unused,
447 struct ulp_flow_db_res_params *res)
449 struct tf_free_identifier_parms fparms = {
450 .dir = res->direction,
451 .ident_type = res->resource_type,
452 .id = (uint16_t)res->resource_hndl
455 return tf_free_identifier(tfp, &fparms);
458 static inline int32_t
459 ulp_mapper_mark_free(struct bnxt_ulp_context *ulp,
460 struct ulp_flow_db_res_params *res)
466 fid = (uint32_t)res->resource_hndl;
467 TF_GET_FLAG_FROM_FLOW_ID(fid, flag);
468 TF_GET_GFID_FROM_FLOW_ID(fid, gfid);
470 return ulp_mark_db_mark_del(ulp,
471 (flag == TF_GFID_TABLE_EXTERNAL),
477 * Process the identifier instruction and either store it in the flow database
478 * or return it in the val (if not NULL) on success. If val is NULL, the
479 * identifier is to be stored in the flow database.
482 ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms,
483 struct bnxt_ulp_mapper_class_tbl_info *tbl,
484 struct bnxt_ulp_mapper_ident_info *ident,
487 struct ulp_flow_db_res_params fid_parms;
490 struct tf_alloc_identifier_parms iparms = { 0 };
491 struct tf_free_identifier_parms free_parms = { 0 };
495 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
497 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n");
501 idx = ident->regfile_wr_idx;
503 iparms.ident_type = ident->ident_type;
504 iparms.dir = tbl->direction;
506 rc = tf_alloc_identifier(tfp, &iparms);
508 BNXT_TF_DBG(ERR, "Alloc ident %s:%d failed.\n",
509 (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
514 id = (uint64_t)tfp_cpu_to_be_64(iparms.id);
515 if (!ulp_regfile_write(parms->regfile, idx, id)) {
516 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx);
518 /* Need to free the identifier, so goto error */
522 /* Link the resource to the flow in the flow db */
524 memset(&fid_parms, 0, sizeof(fid_parms));
525 fid_parms.direction = tbl->direction;
526 fid_parms.resource_func = ident->resource_func;
527 fid_parms.resource_type = ident->ident_type;
528 fid_parms.resource_hndl = iparms.id;
529 fid_parms.critical_resource = 0;
531 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
536 BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
538 /* Need to free the identifier, so goto error */
548 /* Need to free the identifier */
549 free_parms.dir = tbl->direction;
550 free_parms.ident_type = ident->ident_type;
551 free_parms.id = iparms.id;
553 (void)tf_free_identifier(tfp, &free_parms);
555 BNXT_TF_DBG(ERR, "Ident process failed for %s:%s\n",
557 (tbl->direction == TF_DIR_RX) ? "RX" : "TX");
562 ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms,
564 struct bnxt_ulp_mapper_result_field_info *fld,
565 struct ulp_blob *blob,
568 uint16_t idx, size_idx;
571 uint32_t val_size = 0, field_size = 0;
573 switch (fld->result_opcode) {
574 case BNXT_ULP_RESULT_OPC_SET_TO_CONSTANT:
575 val = fld->result_operand;
576 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
577 BNXT_TF_DBG(ERR, "%s failed to add field\n", name);
581 case BNXT_ULP_RESULT_OPC_SET_TO_ACT_PROP:
582 if (!ulp_operand_read(fld->result_operand,
583 (uint8_t *)&idx, sizeof(uint16_t))) {
584 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
587 idx = tfp_be_to_cpu_16(idx);
589 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
590 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
593 val = &parms->act_prop->act_details[idx];
594 field_size = ulp_mapper_act_prop_size_get(idx);
595 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) {
596 field_size = field_size -
597 ((fld->field_bit_size + 7) / 8);
600 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
601 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
605 case BNXT_ULP_RESULT_OPC_SET_TO_ENCAP_ACT_PROP_SZ:
606 if (!ulp_operand_read(fld->result_operand,
607 (uint8_t *)&idx, sizeof(uint16_t))) {
608 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
611 idx = tfp_be_to_cpu_16(idx);
613 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
614 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
617 val = &parms->act_prop->act_details[idx];
619 /* get the size index next */
620 if (!ulp_operand_read(&fld->result_operand[sizeof(uint16_t)],
621 (uint8_t *)&size_idx, sizeof(uint16_t))) {
622 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
625 size_idx = tfp_be_to_cpu_16(size_idx);
627 if (size_idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
628 BNXT_TF_DBG(ERR, "act_prop[%d] oob\n", size_idx);
631 memcpy(&val_size, &parms->act_prop->act_details[size_idx],
633 val_size = tfp_be_to_cpu_32(val_size);
634 val_size = ULP_BYTE_2_BITS(val_size);
635 ulp_blob_push_encap(blob, val, val_size);
637 case BNXT_ULP_RESULT_OPC_SET_TO_REGFILE:
638 if (!ulp_operand_read(fld->result_operand,
639 (uint8_t *)&idx, sizeof(uint16_t))) {
640 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
644 idx = tfp_be_to_cpu_16(idx);
645 /* Uninitialized regfile entries return 0 */
646 if (!ulp_regfile_read(parms->regfile, idx, ®val)) {
647 BNXT_TF_DBG(ERR, "%s regfile[%d] read oob\n",
652 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size);
654 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
658 case BNXT_ULP_RESULT_OPC_SET_TO_DEF_REGFILE:
659 if (!ulp_operand_read(fld->result_operand,
662 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
665 idx = tfp_be_to_cpu_16(idx);
666 if (ulp_mapper_def_regfile_read(parms->mapper_data,
669 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
673 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size);
675 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
685 /* Function to alloc action record and set the table. */
687 ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms,
689 struct bnxt_ulp_mapper_class_key_field_info *f,
690 struct ulp_blob *blob,
695 uint16_t idx, bitlen;
698 struct ulp_regfile *regfile = parms->regfile;
700 struct bnxt_ulp_mapper_class_key_field_info *fld = f;
704 operand = fld->spec_operand;
705 opcode = fld->spec_opcode;
707 operand = fld->mask_operand;
708 opcode = fld->mask_opcode;
711 bitlen = fld->field_bit_size;
714 case BNXT_ULP_SPEC_OPC_SET_TO_CONSTANT:
716 if (!ulp_blob_push(blob, val, bitlen)) {
717 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
721 case BNXT_ULP_SPEC_OPC_ADD_PAD:
722 if (!ulp_blob_pad_push(blob, bitlen)) {
723 BNXT_TF_DBG(ERR, "%s pad too large for blob\n", name);
728 case BNXT_ULP_SPEC_OPC_SET_TO_HDR_FIELD:
729 if (!ulp_operand_read(operand, (uint8_t *)&idx,
731 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
734 idx = tfp_be_to_cpu_16(idx);
736 val = parms->hdr_field[idx].spec;
738 val = parms->hdr_field[idx].mask;
741 * Need to account for how much data was pushed to the header
742 * field vs how much is to be inserted in the key/mask.
744 field_size = parms->hdr_field[idx].size;
745 if (bitlen < ULP_BYTE_2_BITS(field_size)) {
746 field_size = field_size - ((bitlen + 7) / 8);
750 if (!ulp_blob_push(blob, val, bitlen)) {
751 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
755 case BNXT_ULP_SPEC_OPC_SET_TO_REGFILE:
756 if (!ulp_operand_read(operand, (uint8_t *)&idx,
758 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
761 idx = tfp_be_to_cpu_16(idx);
763 if (!ulp_regfile_read(regfile, idx, &val64)) {
764 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
769 val = ulp_blob_push_64(blob, &val64, bitlen);
771 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
775 case BNXT_ULP_SPEC_OPC_SET_TO_DEF_REGFILE:
776 if (!ulp_operand_read(operand, (uint8_t *)&idx,
778 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
781 idx = tfp_be_to_cpu_16(idx);
782 if (ulp_mapper_def_regfile_read(parms->mapper_data,
785 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
789 val = ulp_blob_push_64(blob, &val64, bitlen);
791 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
802 /* Function to alloc action record and set the table. */
804 ulp_mapper_action_alloc_and_set(struct bnxt_ulp_mapper_parms *parms,
805 struct ulp_blob *blob)
807 struct ulp_flow_db_res_params fid_parms;
808 struct tf_alloc_tbl_entry_parms alloc_parms = { 0 };
809 struct tf_free_tbl_entry_parms free_parms = { 0 };
810 struct bnxt_ulp_mapper_act_tbl_info *atbls = parms->atbls;
814 uint32_t tbl_scope_id;
816 bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
818 /* Set the allocation parameters for the table*/
819 alloc_parms.dir = atbls->direction;
820 alloc_parms.type = atbls->table_type;
821 alloc_parms.search_enable = atbls->srch_b4_alloc;
822 alloc_parms.result = ulp_blob_data_get(blob,
823 &alloc_parms.result_sz_in_bytes);
824 alloc_parms.tbl_scope_id = tbl_scope_id;
825 if (!alloc_parms.result) {
826 BNXT_TF_DBG(ERR, "blob is not populated\n");
830 rc = tf_alloc_tbl_entry(parms->tfp, &alloc_parms);
832 BNXT_TF_DBG(ERR, "table type= [%d] dir = [%s] alloc failed\n",
834 (alloc_parms.dir == TF_DIR_RX) ? "RX" : "TX");
838 /* Need to calculate the idx for the result record */
839 uint64_t tmpidx = alloc_parms.idx;
841 if (atbls->table_type == TF_TBL_TYPE_EXT)
842 tmpidx = TF_ACT_REC_OFFSET_2_PTR(alloc_parms.idx);
844 tmpidx = alloc_parms.idx;
846 idx = tfp_cpu_to_be_64(tmpidx);
848 /* Store the allocated index for future use in the regfile */
849 rc = ulp_regfile_write(parms->regfile, atbls->regfile_wr_idx, idx);
851 BNXT_TF_DBG(ERR, "regfile[%d] write failed\n",
852 atbls->regfile_wr_idx);
858 * The set_tbl_entry API if search is not enabled or searched entry
861 if (!atbls->srch_b4_alloc || !alloc_parms.hit) {
862 struct tf_set_tbl_entry_parms set_parm = { 0 };
865 set_parm.dir = atbls->direction;
866 set_parm.type = atbls->table_type;
867 set_parm.idx = alloc_parms.idx;
868 set_parm.data = ulp_blob_data_get(blob, &length);
869 set_parm.data_sz_in_bytes = length / 8;
871 if (set_parm.type == TF_TBL_TYPE_EXT)
872 set_parm.tbl_scope_id = tbl_scope_id;
874 /* set the table entry */
875 rc = tf_set_tbl_entry(parms->tfp, &set_parm);
877 BNXT_TF_DBG(ERR, "table[%d][%s][%d] set failed\n",
879 (set_parm.dir == TF_DIR_RX) ? "RX" : "TX",
885 /* Link the resource to the flow in the flow db */
886 memset(&fid_parms, 0, sizeof(fid_parms));
887 fid_parms.direction = atbls->direction;
888 fid_parms.resource_func = atbls->resource_func;
889 fid_parms.resource_type = atbls->table_type;
890 fid_parms.resource_hndl = alloc_parms.idx;
891 fid_parms.critical_resource = 0;
893 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
898 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
907 free_parms.dir = alloc_parms.dir;
908 free_parms.type = alloc_parms.type;
909 free_parms.idx = alloc_parms.idx;
911 trc = tf_free_tbl_entry(parms->tfp, &free_parms);
913 BNXT_TF_DBG(ERR, "Failed to free table entry on failure\n");
919 * Function to process the action Info. Iterate through the list
920 * action info templates and process it.
923 ulp_mapper_action_info_process(struct bnxt_ulp_mapper_parms *parms,
924 struct bnxt_ulp_mapper_act_tbl_info *tbl)
926 struct ulp_blob blob;
927 struct bnxt_ulp_mapper_result_field_info *flds, *fld;
928 uint32_t num_flds = 0;
929 uint32_t encap_flds = 0;
934 if (!tbl || !parms->act_prop || !parms->act_bitmap || !parms->regfile)
937 /* use the max size if encap is enabled */
938 if (tbl->encap_num_fields)
939 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS;
941 bit_size = tbl->result_bit_size;
942 if (!ulp_blob_init(&blob, bit_size, parms->order)) {
943 BNXT_TF_DBG(ERR, "action blob init failed\n");
947 flds = ulp_mapper_act_result_fields_get(tbl, &num_flds, &encap_flds);
948 if (!flds || !num_flds) {
949 BNXT_TF_DBG(ERR, "Template undefined for action\n");
953 for (i = 0; i < (num_flds + encap_flds); i++) {
955 rc = ulp_mapper_result_field_process(parms,
961 BNXT_TF_DBG(ERR, "Action field failed\n");
964 /* set the swap index if 64 bit swap is enabled */
965 if (parms->encap_byte_swap && encap_flds) {
966 if ((i + 1) == num_flds)
967 ulp_blob_encap_swap_idx_set(&blob);
968 /* if 64 bit swap is enabled perform the 64bit swap */
969 if ((i + 1) == (num_flds + encap_flds))
970 ulp_blob_perform_encap_swap(&blob);
974 rc = ulp_mapper_action_alloc_and_set(parms, &blob);
979 ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
980 struct bnxt_ulp_mapper_class_tbl_info *tbl)
982 struct bnxt_ulp_mapper_class_key_field_info *kflds;
983 struct ulp_blob key, mask, data;
984 uint32_t i, num_kflds;
987 struct tf_alloc_tcam_entry_parms aparms = { 0 };
988 struct tf_set_tcam_entry_parms sparms = { 0 };
989 struct ulp_flow_db_res_params fid_parms = { 0 };
990 struct tf_free_tcam_entry_parms free_parms = { 0 };
994 /* Skip this if was handled by the cache. */
995 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP) {
996 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1000 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1002 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
1006 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1007 if (!kflds || !num_kflds) {
1008 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1012 if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order) ||
1013 !ulp_blob_init(&mask, tbl->key_bit_size, parms->order) ||
1014 !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1015 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1019 /* create the key/mask */
1021 * NOTE: The WC table will require some kind of flag to handle the
1022 * mode bits within the key/mask
1024 for (i = 0; i < num_kflds; i++) {
1026 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1028 &key, 1, "TCAM Key");
1030 BNXT_TF_DBG(ERR, "Key field set failed.\n");
1034 /* Setup the mask */
1035 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1037 &mask, 0, "TCAM Mask");
1039 BNXT_TF_DBG(ERR, "Mask field set failed.\n");
1044 aparms.dir = tbl->direction;
1045 aparms.tcam_tbl_type = tbl->table_type;
1046 aparms.search_enable = tbl->srch_b4_alloc;
1047 aparms.key_sz_in_bits = tbl->key_bit_size;
1048 aparms.key = ulp_blob_data_get(&key, &tmplen);
1049 if (tbl->key_bit_size != tmplen) {
1050 BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n",
1051 tmplen, tbl->key_bit_size);
1055 aparms.mask = ulp_blob_data_get(&mask, &tmplen);
1056 if (tbl->key_bit_size != tmplen) {
1057 BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n",
1058 tmplen, tbl->key_bit_size);
1062 aparms.priority = tbl->priority;
1065 * All failures after this succeeds require the entry to be freed.
1066 * cannot return directly on failure, but needs to goto error
1068 rc = tf_alloc_tcam_entry(tfp, &aparms);
1070 BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
1076 /* Build the result */
1077 if (!tbl->srch_b4_alloc || !hit) {
1078 struct bnxt_ulp_mapper_result_field_info *dflds;
1079 struct bnxt_ulp_mapper_ident_info *idents;
1080 uint32_t num_dflds, num_idents;
1083 * Since the cache entry is responsible for allocating
1084 * identifiers when in use, allocate the identifiers only
1085 * during normal processing.
1087 if (parms->tcam_tbl_opc ==
1088 BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1089 idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1091 for (i = 0; i < num_idents; i++) {
1092 rc = ulp_mapper_ident_process(parms, tbl,
1094 /* Already logged the error, just return */
1100 /* Create the result data blob */
1101 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1102 if (!dflds || !num_dflds) {
1103 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1108 for (i = 0; i < num_dflds; i++) {
1109 rc = ulp_mapper_result_field_process(parms,
1115 BNXT_TF_DBG(ERR, "Failed to set data fields\n");
1120 sparms.dir = aparms.dir;
1121 sparms.tcam_tbl_type = aparms.tcam_tbl_type;
1122 sparms.idx = aparms.idx;
1123 /* Already verified the key/mask lengths */
1124 sparms.key = ulp_blob_data_get(&key, &tmplen);
1125 sparms.mask = ulp_blob_data_get(&mask, &tmplen);
1126 sparms.key_sz_in_bits = tbl->key_bit_size;
1127 sparms.result = ulp_blob_data_get(&data, &tmplen);
1129 if (tbl->result_bit_size != tmplen) {
1130 BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n",
1131 tmplen, tbl->result_bit_size);
1135 sparms.result_sz_in_bits = tbl->result_bit_size;
1137 rc = tf_set_tcam_entry(tfp, &sparms);
1139 BNXT_TF_DBG(ERR, "tcam[%d][%s][%d] write failed.\n",
1140 sparms.tcam_tbl_type,
1141 (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1146 /* Update cache with TCAM index if the was cache allocated. */
1147 if (parms->tcam_tbl_opc ==
1148 BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC) {
1149 if (!parms->cache_ptr) {
1150 BNXT_TF_DBG(ERR, "Unable to update cache");
1154 parms->cache_ptr->tcam_idx = aparms.idx;
1158 BNXT_TF_DBG(ERR, "Not supporting search before alloc now\n");
1164 * Only link the entry to the flow db in the event that cache was not
1167 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1168 fid_parms.direction = tbl->direction;
1169 fid_parms.resource_func = tbl->resource_func;
1170 fid_parms.resource_type = tbl->table_type;
1171 fid_parms.critical_resource = tbl->critical_resource;
1172 fid_parms.resource_hndl = aparms.idx;
1173 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1179 "Failed to link resource to flow rc = %d\n",
1181 /* Need to free the identifier, so goto error */
1186 * Reset the tcam table opcode to normal in case the next tcam
1187 * entry does not use cache.
1189 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1190 parms->cache_ptr = NULL;
1195 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1196 free_parms.dir = tbl->direction;
1197 free_parms.tcam_tbl_type = tbl->table_type;
1198 free_parms.idx = aparms.idx;
1199 trc = tf_free_tcam_entry(tfp, &free_parms);
1201 BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n",
1202 tbl->table_type, tbl->direction, aparms.idx);
1208 ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1209 struct bnxt_ulp_mapper_class_tbl_info *tbl)
1211 struct bnxt_ulp_mapper_class_key_field_info *kflds;
1212 struct bnxt_ulp_mapper_result_field_info *dflds;
1213 struct ulp_blob key, data;
1214 uint32_t i, num_kflds, num_dflds;
1216 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1217 struct ulp_rte_act_prop *a_prop = parms->act_prop;
1218 struct ulp_flow_db_res_params fid_parms = { 0 };
1219 struct tf_insert_em_entry_parms iparms = { 0 };
1220 struct tf_delete_em_entry_parms free_parms = { 0 };
1224 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1225 if (!kflds || !num_kflds) {
1226 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1230 /* Initialize the key/result blobs */
1231 if (!ulp_blob_init(&key, tbl->blob_key_bit_size, parms->order) ||
1232 !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1233 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1237 /* create the key */
1238 for (i = 0; i < num_kflds; i++) {
1240 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1244 BNXT_TF_DBG(ERR, "Key field set failed.\n");
1250 * TBD: Normally should process identifiers in case of using recycle or
1251 * loopback. Not supporting recycle for now.
1254 /* Create the result data blob */
1255 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1256 if (!dflds || !num_dflds) {
1257 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1261 for (i = 0; i < num_dflds; i++) {
1262 struct bnxt_ulp_mapper_result_field_info *fld;
1266 rc = ulp_mapper_result_field_process(parms,
1272 BNXT_TF_DBG(ERR, "Failed to set data fields.\n");
1277 rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
1278 &iparms.tbl_scope_id);
1280 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1285 * NOTE: the actual blob size will differ from the size in the tbl
1286 * entry due to the padding.
1288 iparms.dup_check = 0;
1289 iparms.dir = tbl->direction;
1290 iparms.mem = tbl->mem;
1291 iparms.key = ulp_blob_data_get(&key, &tmplen);
1292 iparms.key_sz_in_bits = tbl->key_bit_size;
1293 iparms.em_record = ulp_blob_data_get(&data, &tmplen);
1294 iparms.em_record_sz_in_bits = tbl->result_bit_size;
1296 rc = tf_insert_em_entry(tfp, &iparms);
1298 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
1302 if (tbl->mark_enable &&
1303 ULP_BITMAP_ISSET(parms->act_bitmap->bits,
1304 BNXT_ULP_ACTION_BIT_MARK)) {
1305 uint32_t val, mark, gfid, flag;
1306 /* TBD: Need to determine if GFID is enabled globally */
1307 if (sizeof(val) != BNXT_ULP_ACT_PROP_SZ_MARK) {
1308 BNXT_TF_DBG(ERR, "Mark size (%d) != expected (%zu)\n",
1309 BNXT_ULP_ACT_PROP_SZ_MARK, sizeof(val));
1315 &a_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
1318 mark = tfp_be_to_cpu_32(val);
1320 TF_GET_GFID_FROM_FLOW_ID(iparms.flow_id, gfid);
1321 TF_GET_FLAG_FROM_FLOW_ID(iparms.flow_id, flag);
1323 rc = ulp_mark_db_mark_add(parms->ulp_ctx,
1324 (flag == TF_GFID_TABLE_EXTERNAL),
1328 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1333 * Link the mark resource to the flow in the flow db
1334 * The mark is never the critical resource, so it is 0.
1336 memset(&fid_parms, 0, sizeof(fid_parms));
1337 fid_parms.direction = tbl->direction;
1338 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
1339 fid_parms.resource_type = tbl->table_type;
1340 fid_parms.resource_hndl = iparms.flow_id;
1341 fid_parms.critical_resource = 0;
1343 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1348 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1350 /* Need to free the identifier, so goto error */
1355 /* Link the EM resource to the flow in the flow db */
1356 memset(&fid_parms, 0, sizeof(fid_parms));
1357 fid_parms.direction = tbl->direction;
1358 fid_parms.resource_func = tbl->resource_func;
1359 fid_parms.resource_type = tbl->table_type;
1360 fid_parms.critical_resource = tbl->critical_resource;
1361 fid_parms.resource_hndl = iparms.flow_handle;
1363 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1368 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1370 /* Need to free the identifier, so goto error */
1376 free_parms.dir = iparms.dir;
1377 free_parms.mem = iparms.mem;
1378 free_parms.tbl_scope_id = iparms.tbl_scope_id;
1379 free_parms.flow_handle = iparms.flow_handle;
1381 trc = tf_delete_em_entry(tfp, &free_parms);
1383 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
1389 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1390 struct bnxt_ulp_mapper_class_tbl_info *tbl)
1392 struct bnxt_ulp_mapper_result_field_info *flds;
1393 struct ulp_flow_db_res_params fid_parms;
1394 struct ulp_blob data;
1397 uint32_t i, num_flds;
1398 int32_t rc = 0, trc = 0;
1399 struct tf_alloc_tbl_entry_parms aparms = { 0 };
1400 struct tf_set_tbl_entry_parms sparms = { 0 };
1401 struct tf_free_tbl_entry_parms free_parms = { 0 };
1402 uint32_t tbl_scope_id;
1403 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1405 bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
1407 if (!ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1408 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
1412 flds = ulp_mapper_result_fields_get(tbl, &num_flds);
1413 if (!flds || !num_flds) {
1414 BNXT_TF_DBG(ERR, "Template undefined for action\n");
1418 for (i = 0; i < num_flds; i++) {
1419 rc = ulp_mapper_result_field_process(parms,
1425 BNXT_TF_DBG(ERR, "data field failed\n");
1430 aparms.dir = tbl->direction;
1431 aparms.type = tbl->table_type;
1432 aparms.search_enable = tbl->srch_b4_alloc;
1433 aparms.result = ulp_blob_data_get(&data, &tmplen);
1434 aparms.result_sz_in_bytes = ULP_SZ_BITS2BYTES(tbl->result_bit_size);
1435 aparms.tbl_scope_id = tbl_scope_id;
1437 /* All failures after the alloc succeeds require a free */
1438 rc = tf_alloc_tbl_entry(tfp, &aparms);
1440 BNXT_TF_DBG(ERR, "Alloc table[%d][%s] failed rc=%d\n",
1442 (tbl->direction == TF_DIR_RX) ? "RX" : "TX",
1447 /* Always storing values in Regfile in BE */
1448 idx = tfp_cpu_to_be_64(aparms.idx);
1449 rc = ulp_regfile_write(parms->regfile, tbl->regfile_wr_idx, idx);
1451 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
1452 tbl->regfile_wr_idx);
1456 if (!tbl->srch_b4_alloc) {
1457 sparms.dir = tbl->direction;
1458 sparms.type = tbl->table_type;
1459 sparms.data = ulp_blob_data_get(&data, &tmplen);
1460 sparms.data_sz_in_bytes =
1461 ULP_SZ_BITS2BYTES(tbl->result_bit_size);
1462 sparms.idx = aparms.idx;
1463 sparms.tbl_scope_id = tbl_scope_id;
1465 rc = tf_set_tbl_entry(tfp, &sparms);
1467 BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
1469 (tbl->direction == TF_DIR_RX) ? "RX" : "TX",
1477 /* Link the resource to the flow in the flow db */
1478 memset(&fid_parms, 0, sizeof(fid_parms));
1479 fid_parms.direction = tbl->direction;
1480 fid_parms.resource_func = tbl->resource_func;
1481 fid_parms.resource_type = tbl->table_type;
1482 fid_parms.resource_hndl = aparms.idx;
1483 fid_parms.critical_resource = 0;
1485 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1490 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
1498 * Free the allocated resource since we failed to either
1499 * write to the entry or link the flow
1501 free_parms.dir = tbl->direction;
1502 free_parms.type = tbl->table_type;
1503 free_parms.idx = aparms.idx;
1504 free_parms.tbl_scope_id = tbl_scope_id;
1506 trc = tf_free_tbl_entry(tfp, &free_parms);
1508 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
1514 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1515 struct bnxt_ulp_mapper_class_tbl_info *tbl)
1517 struct bnxt_ulp_mapper_class_key_field_info *kflds;
1518 struct bnxt_ulp_mapper_cache_entry *cache_entry;
1519 struct bnxt_ulp_mapper_ident_info *idents;
1520 uint32_t i, num_kflds = 0, num_idents = 0;
1521 struct ulp_flow_db_res_params fid_parms;
1522 struct tf_free_identifier_parms fparms;
1523 uint16_t tmplen, tmp_ident;
1524 struct ulp_blob key;
1530 /* Get the key fields list and build the key. */
1531 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1532 if (!kflds || !num_kflds) {
1533 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1536 if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order)) {
1537 BNXT_TF_DBG(ERR, "Failed to alloc blob\n");
1540 for (i = 0; i < num_kflds; i++) {
1542 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1544 &key, 1, "Cache Key");
1547 "Failed to create key for Cache rc=%d\n",
1554 * Perform the lookup in the cache table with constructed key. The
1555 * cache_key is a byte array of tmplen, it needs to be converted to a
1556 * index for the cache table.
1558 cache_key = ulp_blob_data_get(&key, &tmplen);
1559 ckey = (uint16_t *)cache_key;
1560 cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx,
1565 * Get the identifier list for processing by both the hit and miss
1568 idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1570 if (!cache_entry->ref_count) {
1571 /* Initialize the cache entry */
1572 cache_entry->tcam_idx = 0;
1573 cache_entry->ref_count = 0;
1574 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++)
1575 cache_entry->idents[i] = ULP_IDENTS_INVALID;
1577 /* Need to allocate identifiers for storing in the cache. */
1578 for (i = 0; i < num_idents; i++) {
1580 * Since we are using the cache, the identifier does not
1581 * get added to the flow db. Pass in the pointer to the
1584 rc = ulp_mapper_ident_process(parms, tbl,
1585 &idents[i], &tmp_ident);
1589 cache_entry->ident_types[i] = idents[i].ident_type;
1590 cache_entry->idents[i] = tmp_ident;
1593 /* Tell the TCAM processor to alloc an entry */
1594 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC;
1595 /* Store the cache key for use by the tcam process code */
1596 parms->cache_ptr = cache_entry;
1598 /* Cache hit, get values from result. */
1599 for (i = 0; i < num_idents; i++) {
1600 regval = (uint64_t)cache_entry->idents[i];
1601 if (!ulp_regfile_write(parms->regfile,
1602 idents[i].regfile_wr_idx,
1603 tfp_cpu_to_be_64(regval))) {
1605 "Failed to write to regfile\n");
1610 * The cached entry is being used, so let the tcam processing
1611 * know not to process this table.
1613 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP;
1616 /* Made through the cache processing, increment the reference count. */
1617 cache_entry->ref_count++;
1619 /* Link the cache to the flow db. */
1620 memset(&fid_parms, 0, sizeof(fid_parms));
1621 fid_parms.direction = tbl->direction;
1622 fid_parms.resource_func = tbl->resource_func;
1625 * Cache resource type is composed of both table_type and cache_tbl_id
1626 * need to set it appropriately via setter.
1628 ulp_mapper_cache_res_type_set(&fid_parms,
1631 fid_parms.resource_hndl = (uint64_t)*ckey;
1632 fid_parms.critical_resource = tbl->critical_resource;
1633 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1638 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n");
1643 * This error handling only gets called when the idents are being
1644 * allocated for the cache on misses. Using the num_idents that was
1647 for (i = 0; i < num_idents; i++) {
1648 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
1651 fparms.dir = tbl->direction;
1652 fparms.ident_type = idents[i].ident_type;
1653 fparms.id = cache_entry->idents[i];
1654 tf_free_identifier(parms->tfp, &fparms);
1661 * Function to process the action template. Iterate through the list
1662 * action info templates and process it.
1665 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1670 if (!parms->atbls || !parms->num_atbls) {
1671 BNXT_TF_DBG(ERR, "No action tables for template[%d][%d].\n",
1672 parms->dev_id, parms->act_tid);
1676 for (i = 0; i < parms->num_atbls; i++) {
1677 rc = ulp_mapper_action_info_process(parms, &parms->atbls[i]);
1685 /* Create the classifier table entries for a flow. */
1687 ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1695 if (!parms->ctbls || !parms->num_ctbls) {
1696 BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n",
1697 parms->dev_id, parms->class_tid);
1701 for (i = 0; i < parms->num_ctbls; i++) {
1702 struct bnxt_ulp_mapper_class_tbl_info *tbl = &parms->ctbls[i];
1704 switch (tbl->resource_func) {
1705 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1706 rc = ulp_mapper_tcam_tbl_process(parms, tbl);
1708 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1709 rc = ulp_mapper_em_tbl_process(parms, tbl);
1711 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1712 rc = ulp_mapper_index_tbl_process(parms, tbl);
1714 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1715 rc = ulp_mapper_cache_tbl_process(parms, tbl);
1718 BNXT_TF_DBG(ERR, "Unexpected class resource %d\n",
1719 tbl->resource_func);
1724 BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1725 tbl->resource_func);
1734 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
1735 struct ulp_flow_db_res_params *res)
1741 BNXT_TF_DBG(ERR, "Unable to free resource\n ");
1745 tfp = bnxt_ulp_cntxt_tfp_get(ulp);
1747 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n");
1751 switch (res->resource_func) {
1752 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1753 rc = ulp_mapper_cache_entry_free(ulp, tfp, res);
1755 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1756 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
1758 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1759 rc = ulp_mapper_eem_entry_free(ulp, tfp, res);
1761 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1762 rc = ulp_mapper_index_entry_free(ulp, tfp, res);
1764 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1765 rc = ulp_mapper_ident_free(ulp, tfp, res);
1767 case BNXT_ULP_RESOURCE_FUNC_HW_FID:
1768 rc = ulp_mapper_mark_free(ulp, res);
1778 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx,
1780 enum bnxt_ulp_flow_db_tables tbl_type)
1782 struct ulp_flow_db_res_params res_parms = { 0 };
1786 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1791 * Set the critical resource on the first resource del, then iterate
1792 * while status is good
1794 res_parms.critical_resource = 1;
1795 rc = ulp_flow_db_resource_del(ulp_ctx, tbl_type, fid, &res_parms);
1799 * This is unexpected on the first call to resource del.
1800 * It likely means that the flow did not exist in the flow db.
1802 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n",
1808 trc = ulp_mapper_resource_free(ulp_ctx, &res_parms);
1811 * On fail, we still need to attempt to free the
1812 * remaining resources. Don't return
1815 "Flow[%d][0x%x] Res[%d][0x%016" PRIx64
1816 "] failed rc=%d.\n",
1817 tbl_type, fid, res_parms.resource_func,
1818 res_parms.resource_hndl, trc);
1820 /* All subsequent call require the critical_resource be zero */
1821 res_parms.critical_resource = 0;
1823 rc = ulp_flow_db_resource_del(ulp_ctx,
1829 /* Free the Flow ID since we've removed all resources */
1830 rc = ulp_flow_db_fid_free(ulp_ctx, tbl_type, fid);
1836 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid)
1839 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1843 return ulp_mapper_resources_free(ulp_ctx,
1845 BNXT_ULP_REGULAR_FLOW_TABLE);
1848 /* Function to handle the mapping of the Flow to be compatible
1849 * with the underlying hardware.
1852 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
1853 struct bnxt_ulp_mapper_create_parms *cparms,
1856 struct bnxt_ulp_device_params *device_params;
1857 struct bnxt_ulp_mapper_parms parms;
1858 struct ulp_regfile regfile;
1861 if (!ulp_ctx || !cparms)
1864 /* Initialize the parms structure */
1865 memset(&parms, 0, sizeof(parms));
1866 parms.act_prop = cparms->act_prop;
1867 parms.act_bitmap = cparms->act;
1868 parms.regfile = ®file;
1869 parms.hdr_field = cparms->hdr_field;
1870 parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
1871 parms.ulp_ctx = ulp_ctx;
1872 parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1874 /* Get the device id from the ulp context */
1875 if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) {
1876 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
1881 * Get the mapper data for dynamic mapper data such as default
1884 parms.mapper_data = (struct bnxt_ulp_mapper_data *)
1885 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
1886 if (!parms.mapper_data) {
1887 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
1891 /* Get the action table entry from device id and act context id */
1892 parms.act_tid = cparms->act_tid;
1893 parms.atbls = ulp_mapper_action_tbl_list_get(parms.dev_id,
1896 if (!parms.atbls || !parms.num_atbls) {
1897 BNXT_TF_DBG(ERR, "No action tables for %d:%d\n",
1898 parms.dev_id, parms.act_tid);
1902 /* Get the class table entry from device id and act context id */
1903 parms.class_tid = cparms->class_tid;
1904 parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id,
1907 if (!parms.ctbls || !parms.num_ctbls) {
1908 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
1909 parms.dev_id, parms.class_tid);
1913 /* Get the byte order for the further processing from device params */
1914 device_params = bnxt_ulp_device_params_get(parms.dev_id);
1915 if (!device_params) {
1916 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
1917 parms.dev_id, parms.class_tid);
1920 parms.order = device_params->byte_order;
1921 parms.encap_byte_swap = device_params->encap_byte_swap;
1923 /* initialize the registry file for further processing */
1924 if (!ulp_regfile_init(parms.regfile)) {
1925 BNXT_TF_DBG(ERR, "regfile initialization failed.\n");
1929 rc = ulp_regfile_write(parms.regfile,
1930 BNXT_ULP_REGFILE_INDEX_CLASS_TID,
1931 tfp_cpu_to_be_64((uint64_t)parms.class_tid));
1933 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n");
1937 /* Allocate a Flow ID for attaching all resources for the flow to.
1938 * Once allocated, all errors have to walk the list of resources and
1939 * free each of them.
1941 rc = ulp_flow_db_fid_alloc(ulp_ctx,
1942 BNXT_ULP_REGULAR_FLOW_TABLE,
1946 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n");
1950 /* Process the action template list from the selected action table*/
1951 rc = ulp_mapper_action_tbls_process(&parms);
1953 BNXT_TF_DBG(ERR, "action tables failed creation for %d:%d\n",
1954 parms.dev_id, parms.act_tid);
1958 /* All good. Now process the class template */
1959 rc = ulp_mapper_class_tbls_process(&parms);
1961 BNXT_TF_DBG(ERR, "class tables failed creation for %d:%d\n",
1962 parms.dev_id, parms.class_tid);
1966 *flowid = parms.fid;
1971 /* Free all resources that were allocated during flow creation */
1972 trc = ulp_mapper_flow_destroy(ulp_ctx, parms.fid);
1974 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc);
1980 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx)
1982 struct bnxt_ulp_cache_tbl_params *tbl;
1983 struct tf_alloc_identifier_parms iparms;
1984 struct bnxt_ulp_mapper_data *data;
1985 struct bnxt_ulp_def_ident_info *dflt_ids;
1986 uint32_t i, num_dflt_ids, reg_idx;
1994 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
1998 data = rte_zmalloc("ulp_mapper_data",
1999 sizeof(struct bnxt_ulp_mapper_data), 0);
2001 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n");
2005 if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) {
2006 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n");
2007 /* Don't call deinit since the prof_func wasn't allocated. */
2012 /* Allocate the default ids. */
2013 dflt_ids = ulp_mapper_def_ident_info_list_get(&num_dflt_ids);
2014 for (i = 0; i < num_dflt_ids; i++) {
2015 iparms.ident_type = dflt_ids[i].ident_type;
2016 iparms.dir = dflt_ids[i].direction;
2018 rc = tf_alloc_identifier(tfp, &iparms);
2020 BNXT_TF_DBG(ERR, "Failed to alloc dflt "
2021 "identifier [%s][%d]\n",
2022 (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
2026 reg_idx = dflt_ids[i].def_regfile_index;
2027 /* All regfile entries are stored as 64bit big-endian values. */
2028 regval = tfp_cpu_to_be_64((uint64_t)iparms.id);
2029 rc = ulp_mapper_def_regfile_write(data, iparms.dir,
2032 BNXT_TF_DBG(ERR, "Failed to write to default "
2038 /* Allocate the ulp cache tables. */
2039 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2040 tbl = ulp_mapper_cache_tbl_params_get(i);
2042 BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)",
2046 if (tbl->num_entries != 0) {
2047 csize = sizeof(struct bnxt_ulp_mapper_cache_entry) *
2049 data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl",
2051 if (!data->cache_tbl[i]) {
2052 BNXT_TF_DBG(ERR, "Failed to allocate Cache "
2062 /* Ignore the return code in favor of returning the original error. */
2063 ulp_mapper_deinit(ulp_ctx);
2068 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx)
2070 struct tf_free_identifier_parms free_parms;
2071 struct bnxt_ulp_def_ident_info *dflt_ids;
2072 struct bnxt_ulp_mapper_data *data;
2073 uint32_t i, num_dflt_ids, reg_idx;
2080 "Failed to acquire ulp context, so data may "
2081 "not be released.\n");
2085 data = (struct bnxt_ulp_mapper_data *)
2086 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2088 /* Go ahead and return since there is no allocated data. */
2089 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n");
2093 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2095 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n");
2096 /* Free the mapper data regardless of errors. */
2097 goto free_mapper_data;
2100 /* Free the default prof func ids per direction. */
2101 dflt_ids = ulp_mapper_def_ident_info_list_get(&num_dflt_ids);
2102 for (i = 0; i < num_dflt_ids; i++) {
2103 reg_idx = dflt_ids[i].def_regfile_index;
2104 dir = dflt_ids[i].direction;
2105 free_parms.ident_type = dflt_ids[i].ident_type;
2106 free_parms.dir = dir;
2107 if (ulp_mapper_def_regfile_read(data, dir, reg_idx, ®val)) {
2108 BNXT_TF_DBG(ERR, "Failed to read def regfile to free "
2113 * All regfile entries are stored as 64bit big-endian. Need
2114 * to convert the value to cpu before calling tf.
2116 regval = tfp_be_to_cpu_64(regval);
2117 free_parms.id = (uint16_t)regval;
2118 /* Ignore errors and free the remaining identifiers. */
2119 tf_free_identifier(tfp, &free_parms);
2123 /* Free the ulp cache tables */
2124 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2125 rte_free(data->cache_tbl[i]);
2126 data->cache_tbl[i] = NULL;
2130 /* Reset the data pointer within the ulp_ctx. */
2131 bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL);