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_glb_resource_info *
21 ulp_mapper_glb_resource_info_list_get(uint32_t *num_entries)
25 *num_entries = BNXT_ULP_GLB_RESOURCE_INFO_TBL_MAX_SZ;
26 return ulp_glb_resource_tbl;
30 * Read the global resource from the mapper global resource list
32 * The regval is always returned in big-endian.
34 * returns 0 on success
37 ulp_mapper_glb_resource_read(struct bnxt_ulp_mapper_data *mapper_data,
42 if (!mapper_data || !regval ||
43 dir >= TF_DIR_MAX || idx >= BNXT_ULP_GLB_REGFILE_INDEX_LAST)
46 *regval = mapper_data->glb_res_tbl[dir][idx].resource_hndl;
51 * Write a global resource to the mapper global resource list
53 * The regval value must be in big-endian.
55 * return 0 on success.
58 ulp_mapper_glb_resource_write(struct bnxt_ulp_mapper_data *data,
59 struct bnxt_ulp_glb_resource_info *res,
62 struct bnxt_ulp_mapper_glb_resource_entry *ent;
64 /* validate the arguments */
65 if (!data || res->direction >= TF_DIR_MAX ||
66 res->glb_regfile_index >= BNXT_ULP_GLB_REGFILE_INDEX_LAST)
69 /* write to the mapper data */
70 ent = &data->glb_res_tbl[res->direction][res->glb_regfile_index];
71 ent->resource_func = res->resource_func;
72 ent->resource_type = res->resource_type;
73 ent->resource_hndl = regval;
78 * Internal function to allocate identity resource and store it in mapper data.
80 * returns 0 on success
83 ulp_mapper_resource_ident_allocate(struct tf *tfp,
84 struct bnxt_ulp_mapper_data *mapper_data,
85 struct bnxt_ulp_glb_resource_info *glb_res)
87 struct tf_alloc_identifier_parms iparms = { 0 };
88 struct tf_free_identifier_parms fparms;
92 iparms.ident_type = glb_res->resource_type;
93 iparms.dir = glb_res->direction;
95 /* Allocate the Identifier using tf api */
96 rc = tf_alloc_identifier(tfp, &iparms);
98 BNXT_TF_DBG(ERR, "Failed to alloc identifier [%s][%d]\n",
99 (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
104 /* entries are stored as big-endian format */
105 regval = tfp_cpu_to_be_64((uint64_t)iparms.id);
106 /* write to the mapper global resource */
107 rc = ulp_mapper_glb_resource_write(mapper_data, glb_res, regval);
109 BNXT_TF_DBG(ERR, "Failed to write to global resource id\n");
110 /* Free the identifier when update failed */
111 fparms.dir = iparms.dir;
112 fparms.ident_type = iparms.ident_type;
113 fparms.id = iparms.id;
114 tf_free_identifier(tfp, &fparms);
117 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
118 BNXT_TF_DBG(DEBUG, "Allocated Glb Res[%s][%d][%d] = 0x%04x\n",
119 (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
120 glb_res->glb_regfile_index, iparms.ident_type, iparms.id);
125 /* Retrieve the cache initialization parameters for the tbl_idx */
126 static struct bnxt_ulp_cache_tbl_params *
127 ulp_mapper_cache_tbl_params_get(uint32_t tbl_idx)
129 if (tbl_idx >= BNXT_ULP_CACHE_TBL_MAX_SZ)
132 return &ulp_cache_tbl_params[tbl_idx];
136 * Get the size of the action property for a given index.
138 * idx [in] The index for the action property
140 * returns the size of the action property.
143 ulp_mapper_act_prop_size_get(uint32_t idx)
145 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST)
147 return ulp_act_prop_map_table[idx];
151 * Get the list of result fields that implement the flow action.
152 * Gets a device dependent list of tables that implement the action template id.
154 * dev_id [in] The device id of the forwarding element
156 * tid [in] The action template id that matches the flow
158 * num_tbls [out] The number of action tables in the returned array
160 * Returns An array of action tables to implement the flow, or NULL on error.
162 static struct bnxt_ulp_mapper_act_tbl_info *
163 ulp_mapper_action_tbl_list_get(uint32_t dev_id,
171 BNXT_TF_DBG(ERR, "Invalid arguments\n");
175 /* template shift and device mask */
176 tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
178 /* NOTE: Need to have something from template compiler to help validate
179 * range of dev_id and act_tid
181 idx = ulp_act_tmpl_list[tidx].start_tbl_idx;
182 *num_tbls = ulp_act_tmpl_list[tidx].num_tbls;
184 return &ulp_act_tbl_list[idx];
187 /** Get a list of classifier tables that implement the flow
188 * Gets a device dependent list of tables that implement the class template id
190 * dev_id [in] The device id of the forwarding element
192 * tid [in] The template id that matches the flow
194 * num_tbls [out] The number of classifier tables in the returned array
196 * returns An array of classifier tables to implement the flow, or NULL on
199 static struct bnxt_ulp_mapper_class_tbl_info *
200 ulp_mapper_class_tbl_list_get(uint32_t dev_id,
205 uint32_t tidx = ULP_DEVICE_PARAMS_INDEX(tid, dev_id);
210 /* NOTE: Need to have something from template compiler to help validate
211 * range of dev_id and tid
213 idx = ulp_class_tmpl_list[tidx].start_tbl_idx;
214 *num_tbls = ulp_class_tmpl_list[tidx].num_tbls;
216 return &ulp_class_tbl_list[idx];
220 * Get the list of key fields that implement the flow.
222 * ctxt [in] The ulp context
224 * tbl [in] A single table instance to get the key fields from
226 * num_flds [out] The number of key fields in the returned array
228 * Returns array of Key fields, or NULL on error.
230 static struct bnxt_ulp_mapper_class_key_field_info *
231 ulp_mapper_key_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
236 if (!tbl || !num_flds)
239 idx = tbl->key_start_idx;
240 *num_flds = tbl->key_num_fields;
242 /* NOTE: Need template to provide range checking define */
243 return &ulp_class_key_field_list[idx];
247 * Get the list of data fields that implement the flow.
249 * ctxt [in] The ulp context
251 * tbl [in] A single table instance to get the data fields from
253 * num_flds [out] The number of data fields in the returned array.
255 * Returns array of data fields, or NULL on error.
257 static struct bnxt_ulp_mapper_result_field_info *
258 ulp_mapper_result_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
263 if (!tbl || !num_flds)
266 idx = tbl->result_start_idx;
267 *num_flds = tbl->result_num_fields;
269 /* NOTE: Need template to provide range checking define */
270 return &ulp_class_result_field_list[idx];
274 * Get the list of result fields that implement the flow action.
276 * tbl [in] A single table instance to get the results fields
277 * from num_flds [out] The number of data fields in the returned
280 * Returns array of data fields, or NULL on error.
282 static struct bnxt_ulp_mapper_result_field_info *
283 ulp_mapper_act_result_fields_get(struct bnxt_ulp_mapper_act_tbl_info *tbl,
284 uint32_t *num_rslt_flds,
285 uint32_t *num_encap_flds)
289 if (!tbl || !num_rslt_flds || !num_encap_flds)
292 idx = tbl->result_start_idx;
293 *num_rslt_flds = tbl->result_num_fields;
294 *num_encap_flds = tbl->encap_num_fields;
296 /* NOTE: Need template to provide range checking define */
297 return &ulp_act_result_field_list[idx];
301 * Get the list of ident fields that implement the flow
303 * tbl [in] A single table instance to get the ident fields from
305 * num_flds [out] The number of ident fields in the returned array
307 * returns array of ident fields, or NULL on error
309 static struct bnxt_ulp_mapper_ident_info *
310 ulp_mapper_ident_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
315 if (!tbl || !num_flds)
318 idx = tbl->ident_start_idx;
319 *num_flds = tbl->ident_nums;
321 /* NOTE: Need template to provide range checking define */
322 return &ulp_ident_list[idx];
325 static struct bnxt_ulp_mapper_cache_entry *
326 ulp_mapper_cache_entry_get(struct bnxt_ulp_context *ulp,
327 enum bnxt_ulp_cache_tbl_id id,
330 struct bnxt_ulp_mapper_data *mapper_data;
332 mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp);
333 if (!mapper_data || !mapper_data->cache_tbl[id]) {
334 BNXT_TF_DBG(ERR, "Unable to acquire the cache tbl (%d)\n", id);
338 return &mapper_data->cache_tbl[id][key];
342 * Concatenates the tbl_type and tbl_id into a 32bit value for storing in the
343 * resource_type. This is done to conserve memory since both the tbl_type and
347 ulp_mapper_cache_res_type_set(struct ulp_flow_db_res_params *res,
351 res->resource_type = tbl_type;
352 res->resource_sub_type = tbl_id;
355 /* Extracts the tbl_type and tbl_id from the 32bit resource type. */
357 ulp_mapper_cache_res_type_get(struct ulp_flow_db_res_params *res,
361 *tbl_type = res->resource_type;
362 *tbl_id = res->resource_sub_type;
366 ulp_mapper_cache_entry_free(struct bnxt_ulp_context *ulp,
368 struct ulp_flow_db_res_params *res)
370 struct bnxt_ulp_mapper_cache_entry *cache_entry;
371 struct tf_free_identifier_parms ident_parms;
372 struct tf_free_tcam_entry_parms tcam_parms;
373 uint16_t table_id, table_type;
377 * The table id, used for cache, and table_type, used for tcam, are
378 * both encoded within the resource. We must first extract them to
379 * formulate the args for tf calls.
381 ulp_mapper_cache_res_type_get(res, &table_type, &table_id);
382 cache_entry = ulp_mapper_cache_entry_get(ulp, table_id,
383 (uint16_t)res->resource_hndl);
384 if (!cache_entry || !cache_entry->ref_count) {
385 BNXT_TF_DBG(ERR, "Cache entry (%d:%d) not valid on free.\n",
386 table_id, (uint16_t)res->resource_hndl);
391 * See if we need to delete the entry. The tcam and identifiers are all
392 * tracked by the cached entries reference count. All are deleted when
393 * the reference count hit zero.
395 cache_entry->ref_count--;
396 if (cache_entry->ref_count)
400 * Need to delete the tcam entry and the allocated identifiers.
401 * In the event of a failure, need to try to delete the remaining
402 * resources before returning error.
404 tcam_parms.dir = res->direction;
405 tcam_parms.tcam_tbl_type = table_type;
406 tcam_parms.idx = cache_entry->tcam_idx;
407 rc = tf_free_tcam_entry(tfp, &tcam_parms);
409 BNXT_TF_DBG(ERR, "Failed to free tcam [%d][%s][0x%04x] rc=%d\n",
411 (res->direction == TF_DIR_RX) ? "RX" : "TX",
415 * Free the identifiers associated with the tcam entry. Entries with
416 * negative one are considered uninitialized.
418 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++) {
419 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
422 ident_parms.dir = res->direction;
423 ident_parms.ident_type = cache_entry->ident_types[i];
424 ident_parms.id = cache_entry->idents[i];
425 trc = tf_free_identifier(tfp, &ident_parms);
427 BNXT_TF_DBG(ERR, "Failed to free identifier "
428 "[%d][%s][0x%04x] rc=%d\n",
429 ident_parms.ident_type,
430 (res->direction == TF_DIR_RX) ? "RX" : "TX",
431 ident_parms.id, trc);
439 static inline int32_t
440 ulp_mapper_tcam_entry_free(struct bnxt_ulp_context *ulp __rte_unused,
442 struct ulp_flow_db_res_params *res)
444 struct tf_free_tcam_entry_parms fparms = {
445 .dir = res->direction,
446 .tcam_tbl_type = res->resource_type,
447 .idx = (uint16_t)res->resource_hndl
450 return tf_free_tcam_entry(tfp, &fparms);
453 static inline int32_t
454 ulp_mapper_index_entry_free(struct bnxt_ulp_context *ulp,
456 struct ulp_flow_db_res_params *res)
458 struct tf_free_tbl_entry_parms fparms = {
459 .dir = res->direction,
460 .type = res->resource_type,
461 .idx = (uint32_t)res->resource_hndl
465 * Just set the table scope, it will be ignored if not necessary
466 * by the tf_free_tbl_entry
468 bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
470 return tf_free_tbl_entry(tfp, &fparms);
473 static inline int32_t
474 ulp_mapper_eem_entry_free(struct bnxt_ulp_context *ulp,
476 struct ulp_flow_db_res_params *res)
478 struct tf_delete_em_entry_parms fparms = { 0 };
481 fparms.dir = res->direction;
482 fparms.mem = TF_MEM_EXTERNAL;
483 fparms.flow_handle = res->resource_hndl;
485 rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
487 BNXT_TF_DBG(ERR, "Failed to get table scope\n");
491 return tf_delete_em_entry(tfp, &fparms);
494 static inline int32_t
495 ulp_mapper_ident_free(struct bnxt_ulp_context *ulp __rte_unused,
497 struct ulp_flow_db_res_params *res)
499 struct tf_free_identifier_parms fparms = {
500 .dir = res->direction,
501 .ident_type = res->resource_type,
502 .id = (uint16_t)res->resource_hndl
505 return tf_free_identifier(tfp, &fparms);
508 static inline int32_t
509 ulp_mapper_mark_free(struct bnxt_ulp_context *ulp,
510 struct ulp_flow_db_res_params *res)
512 return ulp_mark_db_mark_del(ulp,
518 * Process the identifier instruction and either store it in the flow database
519 * or return it in the val (if not NULL) on success. If val is NULL, the
520 * identifier is to be stored in the flow database.
523 ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms,
524 struct bnxt_ulp_mapper_class_tbl_info *tbl,
525 struct bnxt_ulp_mapper_ident_info *ident,
528 struct ulp_flow_db_res_params fid_parms;
531 struct tf_alloc_identifier_parms iparms = { 0 };
532 struct tf_free_identifier_parms free_parms = { 0 };
536 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
538 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n");
542 idx = ident->regfile_wr_idx;
544 iparms.ident_type = ident->ident_type;
545 iparms.dir = tbl->direction;
547 rc = tf_alloc_identifier(tfp, &iparms);
549 BNXT_TF_DBG(ERR, "Alloc ident %s:%d failed.\n",
550 (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
555 id = (uint64_t)tfp_cpu_to_be_64(iparms.id);
556 if (!ulp_regfile_write(parms->regfile, idx, id)) {
557 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx);
559 /* Need to free the identifier, so goto error */
563 /* Link the resource to the flow in the flow db */
565 memset(&fid_parms, 0, sizeof(fid_parms));
566 fid_parms.direction = tbl->direction;
567 fid_parms.resource_func = ident->resource_func;
568 fid_parms.resource_type = ident->ident_type;
569 fid_parms.resource_hndl = iparms.id;
570 fid_parms.critical_resource = 0;
572 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
577 BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
579 /* Need to free the identifier, so goto error */
589 /* Need to free the identifier */
590 free_parms.dir = tbl->direction;
591 free_parms.ident_type = ident->ident_type;
592 free_parms.id = iparms.id;
594 (void)tf_free_identifier(tfp, &free_parms);
596 BNXT_TF_DBG(ERR, "Ident process failed for %s:%s\n",
598 (tbl->direction == TF_DIR_RX) ? "RX" : "TX");
603 ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms,
605 struct bnxt_ulp_mapper_result_field_info *fld,
606 struct ulp_blob *blob,
609 uint16_t idx, size_idx;
612 uint32_t val_size = 0, field_size = 0;
614 switch (fld->result_opcode) {
615 case BNXT_ULP_RESULT_OPC_SET_TO_CONSTANT:
616 val = fld->result_operand;
617 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
618 BNXT_TF_DBG(ERR, "%s failed to add field\n", name);
622 case BNXT_ULP_RESULT_OPC_SET_TO_ACT_PROP:
623 if (!ulp_operand_read(fld->result_operand,
624 (uint8_t *)&idx, sizeof(uint16_t))) {
625 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
628 idx = tfp_be_to_cpu_16(idx);
630 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
631 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
634 val = &parms->act_prop->act_details[idx];
635 field_size = ulp_mapper_act_prop_size_get(idx);
636 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) {
637 field_size = field_size -
638 ((fld->field_bit_size + 7) / 8);
641 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
642 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
646 case BNXT_ULP_RESULT_OPC_SET_TO_ENCAP_ACT_PROP_SZ:
647 if (!ulp_operand_read(fld->result_operand,
648 (uint8_t *)&idx, sizeof(uint16_t))) {
649 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
652 idx = tfp_be_to_cpu_16(idx);
654 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
655 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
658 val = &parms->act_prop->act_details[idx];
660 /* get the size index next */
661 if (!ulp_operand_read(&fld->result_operand[sizeof(uint16_t)],
662 (uint8_t *)&size_idx, sizeof(uint16_t))) {
663 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
666 size_idx = tfp_be_to_cpu_16(size_idx);
668 if (size_idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
669 BNXT_TF_DBG(ERR, "act_prop[%d] oob\n", size_idx);
672 memcpy(&val_size, &parms->act_prop->act_details[size_idx],
674 val_size = tfp_be_to_cpu_32(val_size);
675 val_size = ULP_BYTE_2_BITS(val_size);
676 ulp_blob_push_encap(blob, val, val_size);
678 case BNXT_ULP_RESULT_OPC_SET_TO_REGFILE:
679 if (!ulp_operand_read(fld->result_operand,
680 (uint8_t *)&idx, sizeof(uint16_t))) {
681 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
685 idx = tfp_be_to_cpu_16(idx);
686 /* Uninitialized regfile entries return 0 */
687 if (!ulp_regfile_read(parms->regfile, idx, ®val)) {
688 BNXT_TF_DBG(ERR, "%s regfile[%d] read oob\n",
693 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size);
695 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
699 case BNXT_ULP_RESULT_OPC_SET_TO_GLB_REGFILE:
700 if (!ulp_operand_read(fld->result_operand,
703 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
706 idx = tfp_be_to_cpu_16(idx);
707 if (ulp_mapper_glb_resource_read(parms->mapper_data,
710 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
714 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size);
716 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
720 case BNXT_ULP_RESULT_OPC_SET_TO_COMP_FIELD:
721 if (!ulp_operand_read(fld->result_operand,
724 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
727 idx = tfp_be_to_cpu_16(idx);
728 if (idx < BNXT_ULP_CF_IDX_LAST)
729 val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
730 fld->field_bit_size);
732 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
742 /* Function to alloc action record and set the table. */
744 ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms,
746 struct bnxt_ulp_mapper_class_key_field_info *f,
747 struct ulp_blob *blob,
752 uint16_t idx, bitlen;
755 struct ulp_regfile *regfile = parms->regfile;
757 struct bnxt_ulp_mapper_class_key_field_info *fld = f;
761 operand = fld->spec_operand;
762 opcode = fld->spec_opcode;
764 operand = fld->mask_operand;
765 opcode = fld->mask_opcode;
768 bitlen = fld->field_bit_size;
771 case BNXT_ULP_SPEC_OPC_SET_TO_CONSTANT:
773 if (!ulp_blob_push(blob, val, bitlen)) {
774 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
778 case BNXT_ULP_SPEC_OPC_ADD_PAD:
779 if (!ulp_blob_pad_push(blob, bitlen)) {
780 BNXT_TF_DBG(ERR, "%s pad too large for blob\n", name);
785 case BNXT_ULP_SPEC_OPC_SET_TO_HDR_FIELD:
786 if (!ulp_operand_read(operand, (uint8_t *)&idx,
788 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
791 idx = tfp_be_to_cpu_16(idx);
793 val = parms->hdr_field[idx].spec;
795 val = parms->hdr_field[idx].mask;
798 * Need to account for how much data was pushed to the header
799 * field vs how much is to be inserted in the key/mask.
801 field_size = parms->hdr_field[idx].size;
802 if (bitlen < ULP_BYTE_2_BITS(field_size)) {
803 field_size = field_size - ((bitlen + 7) / 8);
807 if (!ulp_blob_push(blob, val, bitlen)) {
808 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
812 case BNXT_ULP_SPEC_OPC_SET_TO_COMP_FIELD:
813 if (!ulp_operand_read(operand, (uint8_t *)&idx,
815 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
818 idx = tfp_be_to_cpu_16(idx);
819 if (idx < BNXT_ULP_CF_IDX_LAST)
820 val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
823 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
827 case BNXT_ULP_SPEC_OPC_SET_TO_REGFILE:
828 if (!ulp_operand_read(operand, (uint8_t *)&idx,
830 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
833 idx = tfp_be_to_cpu_16(idx);
835 if (!ulp_regfile_read(regfile, idx, &val64)) {
836 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
841 val = ulp_blob_push_64(blob, &val64, bitlen);
843 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
847 case BNXT_ULP_SPEC_OPC_SET_TO_GLB_REGFILE:
848 if (!ulp_operand_read(operand, (uint8_t *)&idx,
850 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
853 idx = tfp_be_to_cpu_16(idx);
854 if (ulp_mapper_glb_resource_read(parms->mapper_data,
857 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
861 val = ulp_blob_push_64(blob, &val64, bitlen);
863 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
874 /* Function to alloc action record and set the table. */
876 ulp_mapper_action_alloc_and_set(struct bnxt_ulp_mapper_parms *parms,
877 struct ulp_blob *blob)
879 struct ulp_flow_db_res_params fid_parms;
880 struct tf_alloc_tbl_entry_parms alloc_parms = { 0 };
881 struct tf_free_tbl_entry_parms free_parms = { 0 };
882 struct bnxt_ulp_mapper_act_tbl_info *atbls = parms->atbls;
886 uint32_t tbl_scope_id;
888 bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
890 /* Set the allocation parameters for the table*/
891 alloc_parms.dir = atbls->direction;
892 alloc_parms.type = atbls->table_type;
893 alloc_parms.search_enable = atbls->srch_b4_alloc;
894 alloc_parms.result = ulp_blob_data_get(blob,
895 &alloc_parms.result_sz_in_bytes);
896 alloc_parms.tbl_scope_id = tbl_scope_id;
897 if (!alloc_parms.result) {
898 BNXT_TF_DBG(ERR, "blob is not populated\n");
902 rc = tf_alloc_tbl_entry(parms->tfp, &alloc_parms);
904 BNXT_TF_DBG(ERR, "table type= [%d] dir = [%s] alloc failed\n",
906 (alloc_parms.dir == TF_DIR_RX) ? "RX" : "TX");
910 /* Need to calculate the idx for the result record */
911 uint64_t tmpidx = alloc_parms.idx;
913 if (atbls->table_type == TF_TBL_TYPE_EXT)
914 tmpidx = TF_ACT_REC_OFFSET_2_PTR(alloc_parms.idx);
916 tmpidx = alloc_parms.idx;
918 idx = tfp_cpu_to_be_64(tmpidx);
920 /* Store the allocated index for future use in the regfile */
921 rc = ulp_regfile_write(parms->regfile, atbls->regfile_wr_idx, idx);
923 BNXT_TF_DBG(ERR, "regfile[%d] write failed\n",
924 atbls->regfile_wr_idx);
930 * The set_tbl_entry API if search is not enabled or searched entry
933 if (!atbls->srch_b4_alloc || !alloc_parms.hit) {
934 struct tf_set_tbl_entry_parms set_parm = { 0 };
937 set_parm.dir = atbls->direction;
938 set_parm.type = atbls->table_type;
939 set_parm.idx = alloc_parms.idx;
940 set_parm.data = ulp_blob_data_get(blob, &length);
941 set_parm.data_sz_in_bytes = length / 8;
943 if (set_parm.type == TF_TBL_TYPE_EXT)
944 set_parm.tbl_scope_id = tbl_scope_id;
946 /* set the table entry */
947 rc = tf_set_tbl_entry(parms->tfp, &set_parm);
949 BNXT_TF_DBG(ERR, "table[%d][%s][%d] set failed\n",
951 (set_parm.dir == TF_DIR_RX) ? "RX" : "TX",
957 /* Link the resource to the flow in the flow db */
958 memset(&fid_parms, 0, sizeof(fid_parms));
959 fid_parms.direction = atbls->direction;
960 fid_parms.resource_func = atbls->resource_func;
961 fid_parms.resource_type = atbls->table_type;
962 fid_parms.resource_hndl = alloc_parms.idx;
963 fid_parms.critical_resource = 0;
965 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
970 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
979 free_parms.dir = alloc_parms.dir;
980 free_parms.type = alloc_parms.type;
981 free_parms.idx = alloc_parms.idx;
983 trc = tf_free_tbl_entry(parms->tfp, &free_parms);
985 BNXT_TF_DBG(ERR, "Failed to free table entry on failure\n");
991 * Function to process the action Info. Iterate through the list
992 * action info templates and process it.
995 ulp_mapper_action_info_process(struct bnxt_ulp_mapper_parms *parms,
996 struct bnxt_ulp_mapper_act_tbl_info *tbl)
998 struct ulp_blob blob;
999 struct bnxt_ulp_mapper_result_field_info *flds, *fld;
1000 uint32_t num_flds = 0;
1001 uint32_t encap_flds = 0;
1006 if (!tbl || !parms->act_prop || !parms->act_bitmap || !parms->regfile)
1009 /* use the max size if encap is enabled */
1010 if (tbl->encap_num_fields)
1011 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS;
1013 bit_size = tbl->result_bit_size;
1014 if (!ulp_blob_init(&blob, bit_size, parms->order)) {
1015 BNXT_TF_DBG(ERR, "action blob init failed\n");
1019 flds = ulp_mapper_act_result_fields_get(tbl, &num_flds, &encap_flds);
1020 if (!flds || !num_flds) {
1021 BNXT_TF_DBG(ERR, "Template undefined for action\n");
1025 for (i = 0; i < (num_flds + encap_flds); i++) {
1027 rc = ulp_mapper_result_field_process(parms,
1033 BNXT_TF_DBG(ERR, "Action field failed\n");
1036 /* set the swap index if 64 bit swap is enabled */
1037 if (parms->encap_byte_swap && encap_flds) {
1038 if ((i + 1) == num_flds)
1039 ulp_blob_encap_swap_idx_set(&blob);
1040 /* if 64 bit swap is enabled perform the 64bit swap */
1041 if ((i + 1) == (num_flds + encap_flds))
1042 ulp_blob_perform_encap_swap(&blob);
1046 rc = ulp_mapper_action_alloc_and_set(parms, &blob);
1051 ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1052 struct bnxt_ulp_mapper_class_tbl_info *tbl)
1054 struct bnxt_ulp_mapper_class_key_field_info *kflds;
1055 struct ulp_blob key, mask, data;
1056 uint32_t i, num_kflds;
1059 struct tf_alloc_tcam_entry_parms aparms = { 0 };
1060 struct tf_set_tcam_entry_parms sparms = { 0 };
1061 struct ulp_flow_db_res_params fid_parms = { 0 };
1062 struct tf_free_tcam_entry_parms free_parms = { 0 };
1064 uint16_t tmplen = 0;
1066 /* Skip this if was handled by the cache. */
1067 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP) {
1068 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1072 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1074 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
1078 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1079 if (!kflds || !num_kflds) {
1080 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1084 if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order) ||
1085 !ulp_blob_init(&mask, tbl->key_bit_size, parms->order) ||
1086 !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1087 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1091 /* create the key/mask */
1093 * NOTE: The WC table will require some kind of flag to handle the
1094 * mode bits within the key/mask
1096 for (i = 0; i < num_kflds; i++) {
1098 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1100 &key, 1, "TCAM Key");
1102 BNXT_TF_DBG(ERR, "Key field set failed.\n");
1106 /* Setup the mask */
1107 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1109 &mask, 0, "TCAM Mask");
1111 BNXT_TF_DBG(ERR, "Mask field set failed.\n");
1116 aparms.dir = tbl->direction;
1117 aparms.tcam_tbl_type = tbl->table_type;
1118 aparms.search_enable = tbl->srch_b4_alloc;
1119 aparms.key_sz_in_bits = tbl->key_bit_size;
1120 aparms.key = ulp_blob_data_get(&key, &tmplen);
1121 if (tbl->key_bit_size != tmplen) {
1122 BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n",
1123 tmplen, tbl->key_bit_size);
1127 aparms.mask = ulp_blob_data_get(&mask, &tmplen);
1128 if (tbl->key_bit_size != tmplen) {
1129 BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n",
1130 tmplen, tbl->key_bit_size);
1134 aparms.priority = tbl->priority;
1137 * All failures after this succeeds require the entry to be freed.
1138 * cannot return directly on failure, but needs to goto error
1140 rc = tf_alloc_tcam_entry(tfp, &aparms);
1142 BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
1148 /* Build the result */
1149 if (!tbl->srch_b4_alloc || !hit) {
1150 struct bnxt_ulp_mapper_result_field_info *dflds;
1151 struct bnxt_ulp_mapper_ident_info *idents;
1152 uint32_t num_dflds, num_idents;
1155 * Since the cache entry is responsible for allocating
1156 * identifiers when in use, allocate the identifiers only
1157 * during normal processing.
1159 if (parms->tcam_tbl_opc ==
1160 BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1161 idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1163 for (i = 0; i < num_idents; i++) {
1164 rc = ulp_mapper_ident_process(parms, tbl,
1166 /* Already logged the error, just return */
1172 /* Create the result data blob */
1173 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1174 if (!dflds || !num_dflds) {
1175 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1180 for (i = 0; i < num_dflds; i++) {
1181 rc = ulp_mapper_result_field_process(parms,
1187 BNXT_TF_DBG(ERR, "Failed to set data fields\n");
1192 sparms.dir = aparms.dir;
1193 sparms.tcam_tbl_type = aparms.tcam_tbl_type;
1194 sparms.idx = aparms.idx;
1195 /* Already verified the key/mask lengths */
1196 sparms.key = ulp_blob_data_get(&key, &tmplen);
1197 sparms.mask = ulp_blob_data_get(&mask, &tmplen);
1198 sparms.key_sz_in_bits = tbl->key_bit_size;
1199 sparms.result = ulp_blob_data_get(&data, &tmplen);
1201 if (tbl->result_bit_size != tmplen) {
1202 BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n",
1203 tmplen, tbl->result_bit_size);
1207 sparms.result_sz_in_bits = tbl->result_bit_size;
1209 rc = tf_set_tcam_entry(tfp, &sparms);
1211 BNXT_TF_DBG(ERR, "tcam[%d][%s][%d] write failed.\n",
1212 sparms.tcam_tbl_type,
1213 (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1218 /* Update cache with TCAM index if the was cache allocated. */
1219 if (parms->tcam_tbl_opc ==
1220 BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC) {
1221 if (!parms->cache_ptr) {
1222 BNXT_TF_DBG(ERR, "Unable to update cache");
1226 parms->cache_ptr->tcam_idx = aparms.idx;
1230 BNXT_TF_DBG(ERR, "Not supporting search before alloc now\n");
1236 * Only link the entry to the flow db in the event that cache was not
1239 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1240 fid_parms.direction = tbl->direction;
1241 fid_parms.resource_func = tbl->resource_func;
1242 fid_parms.resource_type = tbl->table_type;
1243 fid_parms.critical_resource = tbl->critical_resource;
1244 fid_parms.resource_hndl = aparms.idx;
1245 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1251 "Failed to link resource to flow rc = %d\n",
1253 /* Need to free the identifier, so goto error */
1258 * Reset the tcam table opcode to normal in case the next tcam
1259 * entry does not use cache.
1261 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1262 parms->cache_ptr = NULL;
1267 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1268 free_parms.dir = tbl->direction;
1269 free_parms.tcam_tbl_type = tbl->table_type;
1270 free_parms.idx = aparms.idx;
1271 trc = tf_free_tcam_entry(tfp, &free_parms);
1273 BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n",
1274 tbl->table_type, tbl->direction, aparms.idx);
1280 ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1281 struct bnxt_ulp_mapper_class_tbl_info *tbl)
1283 struct bnxt_ulp_mapper_class_key_field_info *kflds;
1284 struct bnxt_ulp_mapper_result_field_info *dflds;
1285 struct ulp_blob key, data;
1286 uint32_t i, num_kflds, num_dflds;
1288 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1289 struct ulp_rte_act_prop *a_prop = parms->act_prop;
1290 struct ulp_flow_db_res_params fid_parms = { 0 };
1291 struct tf_insert_em_entry_parms iparms = { 0 };
1292 struct tf_delete_em_entry_parms free_parms = { 0 };
1296 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1297 if (!kflds || !num_kflds) {
1298 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1302 /* Initialize the key/result blobs */
1303 if (!ulp_blob_init(&key, tbl->blob_key_bit_size, parms->order) ||
1304 !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1305 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1309 /* create the key */
1310 for (i = 0; i < num_kflds; i++) {
1312 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1316 BNXT_TF_DBG(ERR, "Key field set failed.\n");
1322 * TBD: Normally should process identifiers in case of using recycle or
1323 * loopback. Not supporting recycle for now.
1326 /* Create the result data blob */
1327 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1328 if (!dflds || !num_dflds) {
1329 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1333 for (i = 0; i < num_dflds; i++) {
1334 struct bnxt_ulp_mapper_result_field_info *fld;
1338 rc = ulp_mapper_result_field_process(parms,
1344 BNXT_TF_DBG(ERR, "Failed to set data fields.\n");
1349 rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
1350 &iparms.tbl_scope_id);
1352 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1357 * NOTE: the actual blob size will differ from the size in the tbl
1358 * entry due to the padding.
1360 iparms.dup_check = 0;
1361 iparms.dir = tbl->direction;
1362 iparms.mem = tbl->table_type;
1363 iparms.key = ulp_blob_data_get(&key, &tmplen);
1364 iparms.key_sz_in_bits = tbl->key_bit_size;
1365 iparms.em_record = ulp_blob_data_get(&data, &tmplen);
1366 iparms.em_record_sz_in_bits = tbl->result_bit_size;
1368 rc = tf_insert_em_entry(tfp, &iparms);
1370 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
1374 if (tbl->mark_enable &&
1375 ULP_BITMAP_ISSET(parms->act_bitmap->bits,
1376 BNXT_ULP_ACTION_BIT_MARK)) {
1377 uint32_t val, mark, gfid, flag;
1378 /* TBD: Need to determine if GFID is enabled globally */
1379 if (sizeof(val) != BNXT_ULP_ACT_PROP_SZ_MARK) {
1380 BNXT_TF_DBG(ERR, "Mark size (%d) != expected (%zu)\n",
1381 BNXT_ULP_ACT_PROP_SZ_MARK, sizeof(val));
1387 &a_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
1390 mark = tfp_be_to_cpu_32(val);
1392 TF_GET_GFID_FROM_FLOW_ID(iparms.flow_id, gfid);
1393 flag = BNXT_ULP_MARK_GLOBAL_HW_FID;
1394 rc = ulp_mark_db_mark_add(parms->ulp_ctx,
1399 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1404 * Link the mark resource to the flow in the flow db
1405 * The mark is never the critical resource, so it is 0.
1407 memset(&fid_parms, 0, sizeof(fid_parms));
1408 fid_parms.direction = tbl->direction;
1409 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
1410 fid_parms.resource_type = flag;
1411 fid_parms.resource_hndl = gfid;
1412 fid_parms.critical_resource = 0;
1414 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1419 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1421 /* Need to free the identifier, so goto error */
1426 /* Link the EM resource to the flow in the flow db */
1427 memset(&fid_parms, 0, sizeof(fid_parms));
1428 fid_parms.direction = tbl->direction;
1429 fid_parms.resource_func = tbl->resource_func;
1430 fid_parms.resource_type = tbl->table_type;
1431 fid_parms.critical_resource = tbl->critical_resource;
1432 fid_parms.resource_hndl = iparms.flow_handle;
1434 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1439 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1441 /* Need to free the identifier, so goto error */
1447 free_parms.dir = iparms.dir;
1448 free_parms.mem = iparms.mem;
1449 free_parms.tbl_scope_id = iparms.tbl_scope_id;
1450 free_parms.flow_handle = iparms.flow_handle;
1452 trc = tf_delete_em_entry(tfp, &free_parms);
1454 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
1460 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1461 struct bnxt_ulp_mapper_class_tbl_info *tbl)
1463 struct bnxt_ulp_mapper_result_field_info *flds;
1464 struct ulp_flow_db_res_params fid_parms;
1465 struct ulp_blob data;
1468 uint32_t i, num_flds;
1469 int32_t rc = 0, trc = 0;
1470 struct tf_alloc_tbl_entry_parms aparms = { 0 };
1471 struct tf_set_tbl_entry_parms sparms = { 0 };
1472 struct tf_free_tbl_entry_parms free_parms = { 0 };
1473 uint32_t tbl_scope_id;
1474 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1476 bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
1478 if (!ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1479 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
1483 flds = ulp_mapper_result_fields_get(tbl, &num_flds);
1484 if (!flds || !num_flds) {
1485 BNXT_TF_DBG(ERR, "Template undefined for action\n");
1489 for (i = 0; i < num_flds; i++) {
1490 rc = ulp_mapper_result_field_process(parms,
1496 BNXT_TF_DBG(ERR, "data field failed\n");
1501 aparms.dir = tbl->direction;
1502 aparms.type = tbl->table_type;
1503 aparms.search_enable = tbl->srch_b4_alloc;
1504 aparms.result = ulp_blob_data_get(&data, &tmplen);
1505 aparms.result_sz_in_bytes = ULP_SZ_BITS2BYTES(tbl->result_bit_size);
1506 aparms.tbl_scope_id = tbl_scope_id;
1508 /* All failures after the alloc succeeds require a free */
1509 rc = tf_alloc_tbl_entry(tfp, &aparms);
1511 BNXT_TF_DBG(ERR, "Alloc table[%d][%s] failed rc=%d\n",
1513 (tbl->direction == TF_DIR_RX) ? "RX" : "TX",
1518 /* Always storing values in Regfile in BE */
1519 idx = tfp_cpu_to_be_64(aparms.idx);
1520 rc = ulp_regfile_write(parms->regfile, tbl->regfile_wr_idx, idx);
1522 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
1523 tbl->regfile_wr_idx);
1527 if (!tbl->srch_b4_alloc) {
1528 sparms.dir = tbl->direction;
1529 sparms.type = tbl->table_type;
1530 sparms.data = ulp_blob_data_get(&data, &tmplen);
1531 sparms.data_sz_in_bytes =
1532 ULP_SZ_BITS2BYTES(tbl->result_bit_size);
1533 sparms.idx = aparms.idx;
1534 sparms.tbl_scope_id = tbl_scope_id;
1536 rc = tf_set_tbl_entry(tfp, &sparms);
1538 BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
1540 (tbl->direction == TF_DIR_RX) ? "RX" : "TX",
1548 /* Link the resource to the flow in the flow db */
1549 memset(&fid_parms, 0, sizeof(fid_parms));
1550 fid_parms.direction = tbl->direction;
1551 fid_parms.resource_func = tbl->resource_func;
1552 fid_parms.resource_type = tbl->table_type;
1553 fid_parms.resource_hndl = aparms.idx;
1554 fid_parms.critical_resource = 0;
1556 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1561 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
1569 * Free the allocated resource since we failed to either
1570 * write to the entry or link the flow
1572 free_parms.dir = tbl->direction;
1573 free_parms.type = tbl->table_type;
1574 free_parms.idx = aparms.idx;
1575 free_parms.tbl_scope_id = tbl_scope_id;
1577 trc = tf_free_tbl_entry(tfp, &free_parms);
1579 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
1585 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1586 struct bnxt_ulp_mapper_class_tbl_info *tbl)
1588 struct bnxt_ulp_mapper_class_key_field_info *kflds;
1589 struct bnxt_ulp_mapper_cache_entry *cache_entry;
1590 struct bnxt_ulp_mapper_ident_info *idents;
1591 uint32_t i, num_kflds = 0, num_idents = 0;
1592 struct ulp_flow_db_res_params fid_parms;
1593 struct tf_free_identifier_parms fparms;
1594 uint16_t tmplen, tmp_ident;
1595 struct ulp_blob key;
1601 /* Get the key fields list and build the key. */
1602 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1603 if (!kflds || !num_kflds) {
1604 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1607 if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order)) {
1608 BNXT_TF_DBG(ERR, "Failed to alloc blob\n");
1611 for (i = 0; i < num_kflds; i++) {
1613 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1615 &key, 1, "Cache Key");
1618 "Failed to create key for Cache rc=%d\n",
1625 * Perform the lookup in the cache table with constructed key. The
1626 * cache_key is a byte array of tmplen, it needs to be converted to a
1627 * index for the cache table.
1629 cache_key = ulp_blob_data_get(&key, &tmplen);
1630 ckey = (uint16_t *)cache_key;
1631 cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx,
1636 * Get the identifier list for processing by both the hit and miss
1639 idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1641 if (!cache_entry->ref_count) {
1642 /* Initialize the cache entry */
1643 cache_entry->tcam_idx = 0;
1644 cache_entry->ref_count = 0;
1645 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++)
1646 cache_entry->idents[i] = ULP_IDENTS_INVALID;
1648 /* Need to allocate identifiers for storing in the cache. */
1649 for (i = 0; i < num_idents; i++) {
1651 * Since we are using the cache, the identifier does not
1652 * get added to the flow db. Pass in the pointer to the
1655 rc = ulp_mapper_ident_process(parms, tbl,
1656 &idents[i], &tmp_ident);
1660 cache_entry->ident_types[i] = idents[i].ident_type;
1661 cache_entry->idents[i] = tmp_ident;
1664 /* Tell the TCAM processor to alloc an entry */
1665 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC;
1666 /* Store the cache key for use by the tcam process code */
1667 parms->cache_ptr = cache_entry;
1669 /* Cache hit, get values from result. */
1670 for (i = 0; i < num_idents; i++) {
1671 regval = (uint64_t)cache_entry->idents[i];
1672 if (!ulp_regfile_write(parms->regfile,
1673 idents[i].regfile_wr_idx,
1674 tfp_cpu_to_be_64(regval))) {
1676 "Failed to write to regfile\n");
1681 * The cached entry is being used, so let the tcam processing
1682 * know not to process this table.
1684 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP;
1687 /* Made through the cache processing, increment the reference count. */
1688 cache_entry->ref_count++;
1690 /* Link the cache to the flow db. */
1691 memset(&fid_parms, 0, sizeof(fid_parms));
1692 fid_parms.direction = tbl->direction;
1693 fid_parms.resource_func = tbl->resource_func;
1696 * Cache resource type is composed of both table_type and cache_tbl_id
1697 * need to set it appropriately via setter.
1699 ulp_mapper_cache_res_type_set(&fid_parms,
1702 fid_parms.resource_hndl = (uint64_t)*ckey;
1703 fid_parms.critical_resource = tbl->critical_resource;
1704 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1709 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n");
1714 * This error handling only gets called when the idents are being
1715 * allocated for the cache on misses. Using the num_idents that was
1718 for (i = 0; i < num_idents; i++) {
1719 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
1722 fparms.dir = tbl->direction;
1723 fparms.ident_type = idents[i].ident_type;
1724 fparms.id = cache_entry->idents[i];
1725 tf_free_identifier(parms->tfp, &fparms);
1732 ulp_mapper_glb_resource_info_init(struct tf *tfp,
1733 struct bnxt_ulp_mapper_data *mapper_data)
1735 struct bnxt_ulp_glb_resource_info *glb_res;
1736 uint32_t num_glb_res_ids, idx;
1739 glb_res = ulp_mapper_glb_resource_info_list_get(&num_glb_res_ids);
1740 if (!glb_res || !num_glb_res_ids) {
1741 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
1745 /* Iterate the global resources and process each one */
1746 for (idx = 0; idx < num_glb_res_ids; idx++) {
1747 switch (glb_res[idx].resource_func) {
1748 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1749 rc = ulp_mapper_resource_ident_allocate(tfp,
1754 BNXT_TF_DBG(ERR, "Global resource %x not supported\n",
1755 glb_res[idx].resource_func);
1763 * Function to process the action template. Iterate through the list
1764 * action info templates and process it.
1767 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1772 if (!parms->atbls || !parms->num_atbls) {
1773 BNXT_TF_DBG(ERR, "No action tables for template[%d][%d].\n",
1774 parms->dev_id, parms->act_tid);
1778 for (i = 0; i < parms->num_atbls; i++) {
1779 rc = ulp_mapper_action_info_process(parms, &parms->atbls[i]);
1787 /* Create the classifier table entries for a flow. */
1789 ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1797 if (!parms->ctbls || !parms->num_ctbls) {
1798 BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n",
1799 parms->dev_id, parms->class_tid);
1803 for (i = 0; i < parms->num_ctbls; i++) {
1804 struct bnxt_ulp_mapper_class_tbl_info *tbl = &parms->ctbls[i];
1806 switch (tbl->resource_func) {
1807 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1808 rc = ulp_mapper_tcam_tbl_process(parms, tbl);
1810 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1811 rc = ulp_mapper_em_tbl_process(parms, tbl);
1813 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1814 rc = ulp_mapper_index_tbl_process(parms, tbl);
1816 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1817 rc = ulp_mapper_cache_tbl_process(parms, tbl);
1820 BNXT_TF_DBG(ERR, "Unexpected class resource %d\n",
1821 tbl->resource_func);
1826 BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1827 tbl->resource_func);
1836 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
1837 struct ulp_flow_db_res_params *res)
1843 BNXT_TF_DBG(ERR, "Unable to free resource\n ");
1847 tfp = bnxt_ulp_cntxt_tfp_get(ulp);
1849 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n");
1853 switch (res->resource_func) {
1854 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1855 rc = ulp_mapper_cache_entry_free(ulp, tfp, res);
1857 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1858 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
1860 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1861 rc = ulp_mapper_eem_entry_free(ulp, tfp, res);
1863 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1864 rc = ulp_mapper_index_entry_free(ulp, tfp, res);
1866 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1867 rc = ulp_mapper_ident_free(ulp, tfp, res);
1869 case BNXT_ULP_RESOURCE_FUNC_HW_FID:
1870 rc = ulp_mapper_mark_free(ulp, res);
1880 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx,
1882 enum bnxt_ulp_flow_db_tables tbl_type)
1884 struct ulp_flow_db_res_params res_parms = { 0 };
1888 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1893 * Set the critical resource on the first resource del, then iterate
1894 * while status is good
1896 res_parms.critical_resource = 1;
1897 rc = ulp_flow_db_resource_del(ulp_ctx, tbl_type, fid, &res_parms);
1901 * This is unexpected on the first call to resource del.
1902 * It likely means that the flow did not exist in the flow db.
1904 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n",
1910 trc = ulp_mapper_resource_free(ulp_ctx, &res_parms);
1913 * On fail, we still need to attempt to free the
1914 * remaining resources. Don't return
1917 "Flow[%d][0x%x] Res[%d][0x%016" PRIx64
1918 "] failed rc=%d.\n",
1919 tbl_type, fid, res_parms.resource_func,
1920 res_parms.resource_hndl, trc);
1922 /* All subsequent call require the critical_resource be zero */
1923 res_parms.critical_resource = 0;
1925 rc = ulp_flow_db_resource_del(ulp_ctx,
1931 /* Free the Flow ID since we've removed all resources */
1932 rc = ulp_flow_db_fid_free(ulp_ctx, tbl_type, fid);
1938 ulp_mapper_glb_resource_info_deinit(struct bnxt_ulp_context *ulp_ctx,
1939 struct bnxt_ulp_mapper_data *mapper_data)
1941 struct bnxt_ulp_mapper_glb_resource_entry *ent;
1942 struct ulp_flow_db_res_params res;
1945 /* Iterate the global resources and process each one */
1946 for (dir = TF_DIR_RX; dir < TF_DIR_MAX; dir++) {
1947 for (idx = 0; idx < BNXT_ULP_GLB_RESOURCE_INFO_TBL_MAX_SZ;
1949 ent = &mapper_data->glb_res_tbl[dir][idx];
1950 if (ent->resource_func ==
1951 BNXT_ULP_RESOURCE_FUNC_INVALID)
1953 memset(&res, 0, sizeof(struct ulp_flow_db_res_params));
1954 res.resource_func = ent->resource_func;
1955 res.direction = dir;
1956 res.resource_type = ent->resource_type;
1957 res.resource_hndl = ent->resource_hndl;
1958 ulp_mapper_resource_free(ulp_ctx, &res);
1964 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid)
1967 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1971 return ulp_mapper_resources_free(ulp_ctx,
1973 BNXT_ULP_REGULAR_FLOW_TABLE);
1976 /* Function to handle the mapping of the Flow to be compatible
1977 * with the underlying hardware.
1980 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
1981 struct bnxt_ulp_mapper_create_parms *cparms,
1984 struct bnxt_ulp_device_params *device_params;
1985 struct bnxt_ulp_mapper_parms parms;
1986 struct ulp_regfile regfile;
1989 if (!ulp_ctx || !cparms)
1992 /* Initialize the parms structure */
1993 memset(&parms, 0, sizeof(parms));
1994 parms.act_prop = cparms->act_prop;
1995 parms.act_bitmap = cparms->act;
1996 parms.regfile = ®file;
1997 parms.hdr_field = cparms->hdr_field;
1998 parms.comp_fld = cparms->comp_fld;
1999 parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2000 parms.ulp_ctx = ulp_ctx;
2001 parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
2003 /* Get the device id from the ulp context */
2004 if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) {
2005 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
2010 * Get the mapper data for dynamic mapper data such as default
2013 parms.mapper_data = (struct bnxt_ulp_mapper_data *)
2014 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2015 if (!parms.mapper_data) {
2016 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
2020 /* Get the action table entry from device id and act context id */
2021 parms.act_tid = cparms->act_tid;
2022 parms.atbls = ulp_mapper_action_tbl_list_get(parms.dev_id,
2025 if (!parms.atbls || !parms.num_atbls) {
2026 BNXT_TF_DBG(ERR, "No action tables for %d:%d\n",
2027 parms.dev_id, parms.act_tid);
2031 /* Get the class table entry from device id and act context id */
2032 parms.class_tid = cparms->class_tid;
2033 parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id,
2036 if (!parms.ctbls || !parms.num_ctbls) {
2037 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2038 parms.dev_id, parms.class_tid);
2042 /* Get the byte order for the further processing from device params */
2043 device_params = bnxt_ulp_device_params_get(parms.dev_id);
2044 if (!device_params) {
2045 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2046 parms.dev_id, parms.class_tid);
2049 parms.order = device_params->byte_order;
2050 parms.encap_byte_swap = device_params->encap_byte_swap;
2052 /* initialize the registry file for further processing */
2053 if (!ulp_regfile_init(parms.regfile)) {
2054 BNXT_TF_DBG(ERR, "regfile initialization failed.\n");
2058 rc = ulp_regfile_write(parms.regfile,
2059 BNXT_ULP_REGFILE_INDEX_CLASS_TID,
2060 tfp_cpu_to_be_64((uint64_t)parms.class_tid));
2062 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n");
2066 /* Allocate a Flow ID for attaching all resources for the flow to.
2067 * Once allocated, all errors have to walk the list of resources and
2068 * free each of them.
2070 rc = ulp_flow_db_fid_alloc(ulp_ctx,
2071 BNXT_ULP_REGULAR_FLOW_TABLE,
2075 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n");
2079 /* Process the action template list from the selected action table*/
2080 rc = ulp_mapper_action_tbls_process(&parms);
2082 BNXT_TF_DBG(ERR, "action tables failed creation for %d:%d\n",
2083 parms.dev_id, parms.act_tid);
2087 /* All good. Now process the class template */
2088 rc = ulp_mapper_class_tbls_process(&parms);
2090 BNXT_TF_DBG(ERR, "class tables failed creation for %d:%d\n",
2091 parms.dev_id, parms.class_tid);
2095 *flowid = parms.fid;
2100 /* Free all resources that were allocated during flow creation */
2101 trc = ulp_mapper_flow_destroy(ulp_ctx, parms.fid);
2103 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc);
2109 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx)
2111 struct bnxt_ulp_cache_tbl_params *tbl;
2112 struct bnxt_ulp_mapper_data *data;
2120 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2124 data = rte_zmalloc("ulp_mapper_data",
2125 sizeof(struct bnxt_ulp_mapper_data), 0);
2127 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n");
2131 if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) {
2132 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n");
2133 /* Don't call deinit since the prof_func wasn't allocated. */
2138 /* Allocate the global resource ids */
2139 rc = ulp_mapper_glb_resource_info_init(tfp, data);
2141 BNXT_TF_DBG(ERR, "Failed to initialize global resource ids\n");
2145 /* Allocate the ulp cache tables. */
2146 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2147 tbl = ulp_mapper_cache_tbl_params_get(i);
2149 BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)",
2153 if (tbl->num_entries != 0) {
2154 csize = sizeof(struct bnxt_ulp_mapper_cache_entry) *
2156 data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl",
2158 if (!data->cache_tbl[i]) {
2159 BNXT_TF_DBG(ERR, "Failed to allocate Cache "
2169 /* Ignore the return code in favor of returning the original error. */
2170 ulp_mapper_deinit(ulp_ctx);
2175 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx)
2177 struct bnxt_ulp_mapper_data *data;
2183 "Failed to acquire ulp context, so data may "
2184 "not be released.\n");
2188 data = (struct bnxt_ulp_mapper_data *)
2189 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2191 /* Go ahead and return since there is no allocated data. */
2192 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n");
2196 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2198 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n");
2199 /* Free the mapper data regardless of errors. */
2200 goto free_mapper_data;
2203 /* Free the global resource info table entries */
2204 ulp_mapper_glb_resource_info_deinit(ulp_ctx, data);
2207 /* Free the ulp cache tables */
2208 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2209 rte_free(data->cache_tbl[i]);
2210 data->cache_tbl[i] = NULL;
2214 /* Reset the data pointer within the ulp_ctx. */
2215 bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL);