1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2020 Broadcom
7 #include <rte_malloc.h>
9 #include "ulp_template_db_enum.h"
10 #include "ulp_template_struct.h"
11 #include "bnxt_tf_common.h"
12 #include "ulp_utils.h"
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_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_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_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_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_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_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,
330 struct bnxt_ulp_mapper_data *mapper_data;
332 mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp);
333 if (!mapper_data || id >= BNXT_ULP_CACHE_TBL_MAX_SZ ||
334 !mapper_data->cache_tbl[id]) {
335 BNXT_TF_DBG(ERR, "Unable to acquire the cache tbl (%d)\n", id);
339 return &mapper_data->cache_tbl[id][key];
343 * Concatenates the tbl_type and tbl_id into a 32bit value for storing in the
344 * resource_type. This is done to conserve memory since both the tbl_type and
348 ulp_mapper_cache_res_type_set(struct ulp_flow_db_res_params *res,
352 res->resource_type = tbl_type;
353 res->resource_sub_type = tbl_id;
356 /* Extracts the tbl_type and tbl_id from the 32bit resource type. */
358 ulp_mapper_cache_res_type_get(struct ulp_flow_db_res_params *res,
362 *tbl_type = res->resource_type;
363 *tbl_id = res->resource_sub_type;
367 ulp_mapper_cache_entry_free(struct bnxt_ulp_context *ulp,
369 struct ulp_flow_db_res_params *res)
371 struct bnxt_ulp_mapper_cache_entry *cache_entry;
372 struct tf_free_identifier_parms ident_parms;
373 struct tf_free_tcam_entry_parms tcam_parms;
374 uint16_t table_id, table_type;
378 * The table id, used for cache, and table_type, used for tcam, are
379 * both encoded within the resource. We must first extract them to
380 * formulate the args for tf calls.
382 ulp_mapper_cache_res_type_get(res, &table_type, &table_id);
383 cache_entry = ulp_mapper_cache_entry_get(ulp, table_id,
384 (uint16_t)res->resource_hndl);
385 if (!cache_entry || !cache_entry->ref_count) {
386 BNXT_TF_DBG(ERR, "Cache entry (%d:%d) not valid on free.\n",
387 table_id, (uint16_t)res->resource_hndl);
392 * See if we need to delete the entry. The tcam and identifiers are all
393 * tracked by the cached entries reference count. All are deleted when
394 * the reference count hit zero.
396 cache_entry->ref_count--;
397 if (cache_entry->ref_count)
401 * Need to delete the tcam entry and the allocated identifiers.
402 * In the event of a failure, need to try to delete the remaining
403 * resources before returning error.
405 tcam_parms.dir = res->direction;
406 tcam_parms.tcam_tbl_type = table_type;
407 tcam_parms.idx = cache_entry->tcam_idx;
408 rc = tf_free_tcam_entry(tfp, &tcam_parms);
410 BNXT_TF_DBG(ERR, "Failed to free tcam [%d][%s][0x%04x] rc=%d\n",
412 (res->direction == TF_DIR_RX) ? "RX" : "TX",
416 * Free the identifiers associated with the tcam entry. Entries with
417 * negative one are considered uninitialized.
419 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++) {
420 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
423 ident_parms.dir = res->direction;
424 ident_parms.ident_type = cache_entry->ident_types[i];
425 ident_parms.id = cache_entry->idents[i];
426 trc = tf_free_identifier(tfp, &ident_parms);
428 BNXT_TF_DBG(ERR, "Failed to free identifier "
429 "[%d][%s][0x%04x] rc=%d\n",
430 ident_parms.ident_type,
431 (res->direction == TF_DIR_RX) ? "RX" : "TX",
432 ident_parms.id, trc);
440 static inline int32_t
441 ulp_mapper_tcam_entry_free(struct bnxt_ulp_context *ulp __rte_unused,
443 struct ulp_flow_db_res_params *res)
445 struct tf_free_tcam_entry_parms fparms = {
446 .dir = res->direction,
447 .tcam_tbl_type = res->resource_type,
448 .idx = (uint16_t)res->resource_hndl
451 return tf_free_tcam_entry(tfp, &fparms);
454 static inline int32_t
455 ulp_mapper_index_entry_free(struct bnxt_ulp_context *ulp,
457 struct ulp_flow_db_res_params *res)
459 struct tf_free_tbl_entry_parms fparms = {
460 .dir = res->direction,
461 .type = res->resource_type,
462 .idx = (uint32_t)res->resource_hndl
466 * Just set the table scope, it will be ignored if not necessary
467 * by the tf_free_tbl_entry
469 bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
471 return tf_free_tbl_entry(tfp, &fparms);
474 static inline int32_t
475 ulp_mapper_eem_entry_free(struct bnxt_ulp_context *ulp,
477 struct ulp_flow_db_res_params *res)
479 struct tf_delete_em_entry_parms fparms = { 0 };
482 fparms.dir = res->direction;
483 fparms.mem = TF_MEM_EXTERNAL;
484 fparms.flow_handle = res->resource_hndl;
486 rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
488 BNXT_TF_DBG(ERR, "Failed to get table scope\n");
492 return tf_delete_em_entry(tfp, &fparms);
495 static inline int32_t
496 ulp_mapper_ident_free(struct bnxt_ulp_context *ulp __rte_unused,
498 struct ulp_flow_db_res_params *res)
500 struct tf_free_identifier_parms fparms = {
501 .dir = res->direction,
502 .ident_type = res->resource_type,
503 .id = (uint16_t)res->resource_hndl
506 return tf_free_identifier(tfp, &fparms);
509 static inline int32_t
510 ulp_mapper_mark_free(struct bnxt_ulp_context *ulp,
511 struct ulp_flow_db_res_params *res)
513 return ulp_mark_db_mark_del(ulp,
519 * Process the identifier instruction and either store it in the flow database
520 * or return it in the val (if not NULL) on success. If val is NULL, the
521 * identifier is to be stored in the flow database.
524 ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms,
525 struct bnxt_ulp_mapper_tbl_info *tbl,
526 struct bnxt_ulp_mapper_ident_info *ident,
529 struct ulp_flow_db_res_params fid_parms;
532 struct tf_alloc_identifier_parms iparms = { 0 };
533 struct tf_free_identifier_parms free_parms = { 0 };
537 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
539 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n");
543 idx = ident->regfile_idx;
545 iparms.ident_type = ident->ident_type;
546 iparms.dir = tbl->direction;
548 rc = tf_alloc_identifier(tfp, &iparms);
550 BNXT_TF_DBG(ERR, "Alloc ident %s:%d failed.\n",
551 (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
556 id = (uint64_t)tfp_cpu_to_be_64(iparms.id);
557 if (!ulp_regfile_write(parms->regfile, idx, id)) {
558 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx);
560 /* Need to free the identifier, so goto error */
564 /* Link the resource to the flow in the flow db */
566 memset(&fid_parms, 0, sizeof(fid_parms));
567 fid_parms.direction = tbl->direction;
568 fid_parms.resource_func = ident->resource_func;
569 fid_parms.resource_type = ident->ident_type;
570 fid_parms.resource_hndl = iparms.id;
571 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
573 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
578 BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
580 /* Need to free the identifier, so goto error */
590 /* Need to free the identifier */
591 free_parms.dir = tbl->direction;
592 free_parms.ident_type = ident->ident_type;
593 free_parms.id = iparms.id;
595 (void)tf_free_identifier(tfp, &free_parms);
597 BNXT_TF_DBG(ERR, "Ident process failed for %s:%s\n",
599 (tbl->direction == TF_DIR_RX) ? "RX" : "TX");
604 ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms,
606 struct bnxt_ulp_mapper_result_field_info *fld,
607 struct ulp_blob *blob,
610 uint16_t idx, size_idx;
613 uint32_t val_size = 0, field_size = 0;
617 switch (fld->result_opcode) {
618 case BNXT_ULP_MAPPER_OPC_SET_TO_CONSTANT:
619 val = fld->result_operand;
620 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
621 BNXT_TF_DBG(ERR, "%s failed to add field\n", name);
625 case BNXT_ULP_MAPPER_OPC_SET_TO_ACT_PROP:
626 if (!ulp_operand_read(fld->result_operand,
627 (uint8_t *)&idx, sizeof(uint16_t))) {
628 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
631 idx = tfp_be_to_cpu_16(idx);
633 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
634 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
637 val = &parms->act_prop->act_details[idx];
638 field_size = ulp_mapper_act_prop_size_get(idx);
639 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) {
640 field_size = field_size -
641 ((fld->field_bit_size + 7) / 8);
644 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
645 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
649 case BNXT_ULP_MAPPER_OPC_SET_TO_ACT_BIT:
650 if (!ulp_operand_read(fld->result_operand,
651 (uint8_t *)&act_bit, sizeof(uint64_t))) {
652 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
655 act_bit = tfp_be_to_cpu_64(act_bit);
656 act_val = ULP_BITMAP_ISSET(parms->act_bitmap->bits, act_bit);
657 if (fld->field_bit_size > ULP_BYTE_2_BITS(sizeof(act_val))) {
658 BNXT_TF_DBG(ERR, "%s field size is incorrect\n", name);
661 if (!ulp_blob_push(blob, &act_val, fld->field_bit_size)) {
662 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
667 case BNXT_ULP_MAPPER_OPC_SET_TO_ENCAP_ACT_PROP_SZ:
668 if (!ulp_operand_read(fld->result_operand,
669 (uint8_t *)&idx, sizeof(uint16_t))) {
670 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
673 idx = tfp_be_to_cpu_16(idx);
675 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
676 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
679 val = &parms->act_prop->act_details[idx];
681 /* get the size index next */
682 if (!ulp_operand_read(&fld->result_operand[sizeof(uint16_t)],
683 (uint8_t *)&size_idx, sizeof(uint16_t))) {
684 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
687 size_idx = tfp_be_to_cpu_16(size_idx);
689 if (size_idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
690 BNXT_TF_DBG(ERR, "act_prop[%d] oob\n", size_idx);
693 memcpy(&val_size, &parms->act_prop->act_details[size_idx],
695 val_size = tfp_be_to_cpu_32(val_size);
696 val_size = ULP_BYTE_2_BITS(val_size);
697 ulp_blob_push_encap(blob, val, val_size);
699 case BNXT_ULP_MAPPER_OPC_SET_TO_REGFILE:
700 if (!ulp_operand_read(fld->result_operand,
701 (uint8_t *)&idx, sizeof(uint16_t))) {
702 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
706 idx = tfp_be_to_cpu_16(idx);
707 /* Uninitialized regfile entries return 0 */
708 if (!ulp_regfile_read(parms->regfile, idx, ®val)) {
709 BNXT_TF_DBG(ERR, "%s regfile[%d] read oob\n",
714 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size);
716 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
720 case BNXT_ULP_MAPPER_OPC_SET_TO_GLB_REGFILE:
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 (ulp_mapper_glb_resource_read(parms->mapper_data,
731 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
735 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size);
737 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
741 case BNXT_ULP_MAPPER_OPC_SET_TO_COMP_FIELD:
742 if (!ulp_operand_read(fld->result_operand,
745 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
748 idx = tfp_be_to_cpu_16(idx);
749 if (idx < BNXT_ULP_CF_IDX_LAST)
750 val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
751 fld->field_bit_size);
753 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
757 case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO:
758 if (ulp_blob_pad_push(blob, fld->field_bit_size) < 0) {
759 BNXT_TF_DBG(ERR, "%s too large for blob\n", name);
770 /* Function to alloc action record and set the table. */
772 ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms,
774 struct bnxt_ulp_mapper_class_key_field_info *f,
775 struct ulp_blob *blob,
780 uint16_t idx, bitlen;
783 struct ulp_regfile *regfile = parms->regfile;
785 struct bnxt_ulp_mapper_class_key_field_info *fld = f;
789 operand = fld->spec_operand;
790 opcode = fld->spec_opcode;
792 operand = fld->mask_operand;
793 opcode = fld->mask_opcode;
796 bitlen = fld->field_bit_size;
799 case BNXT_ULP_MAPPER_OPC_SET_TO_CONSTANT:
801 if (!ulp_blob_push(blob, val, bitlen)) {
802 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
806 case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO:
807 if (!ulp_blob_pad_push(blob, bitlen)) {
808 BNXT_TF_DBG(ERR, "%s pad too large for blob\n", name);
813 case BNXT_ULP_MAPPER_OPC_SET_TO_HDR_FIELD:
814 if (!ulp_operand_read(operand, (uint8_t *)&idx,
816 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
819 idx = tfp_be_to_cpu_16(idx);
821 val = parms->hdr_field[idx].spec;
823 val = parms->hdr_field[idx].mask;
826 * Need to account for how much data was pushed to the header
827 * field vs how much is to be inserted in the key/mask.
829 field_size = parms->hdr_field[idx].size;
830 if (bitlen < ULP_BYTE_2_BITS(field_size)) {
831 field_size = field_size - ((bitlen + 7) / 8);
835 if (!ulp_blob_push(blob, val, bitlen)) {
836 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
840 case BNXT_ULP_MAPPER_OPC_SET_TO_COMP_FIELD:
841 if (!ulp_operand_read(operand, (uint8_t *)&idx,
843 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
846 idx = tfp_be_to_cpu_16(idx);
847 if (idx < BNXT_ULP_CF_IDX_LAST)
848 val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
851 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
855 case BNXT_ULP_MAPPER_OPC_SET_TO_REGFILE:
856 if (!ulp_operand_read(operand, (uint8_t *)&idx,
858 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
861 idx = tfp_be_to_cpu_16(idx);
863 if (!ulp_regfile_read(regfile, idx, &val64)) {
864 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
869 val = ulp_blob_push_64(blob, &val64, bitlen);
871 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
875 case BNXT_ULP_MAPPER_OPC_SET_TO_GLB_REGFILE:
876 if (!ulp_operand_read(operand, (uint8_t *)&idx,
878 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
881 idx = tfp_be_to_cpu_16(idx);
882 if (ulp_mapper_glb_resource_read(parms->mapper_data,
885 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
889 val = ulp_blob_push_64(blob, &val64, bitlen);
891 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
903 ulp_mapper_mark_gfid_process(struct bnxt_ulp_mapper_parms *parms,
904 struct bnxt_ulp_mapper_tbl_info *tbl,
907 struct ulp_flow_db_res_params fid_parms;
908 uint32_t mark, gfid, mark_flag;
911 if (!(tbl->mark_enable &&
912 ULP_BITMAP_ISSET(parms->act_bitmap->bits,
913 BNXT_ULP_ACTION_BIT_MARK)))
914 return rc; /* no need to perform gfid process */
916 /* Get the mark id details from action property */
917 memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
919 mark = tfp_be_to_cpu_32(mark);
921 TF_GET_GFID_FROM_FLOW_ID(flow_id, gfid);
922 mark_flag = BNXT_ULP_MARK_GLOBAL_HW_FID;
923 rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
926 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
929 fid_parms.direction = tbl->direction;
930 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
931 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
932 fid_parms.resource_type = mark_flag;
933 fid_parms.resource_hndl = gfid;
934 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
939 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
944 ulp_mapper_mark_act_ptr_process(struct bnxt_ulp_mapper_parms *parms,
945 struct bnxt_ulp_mapper_tbl_info *tbl)
947 struct ulp_flow_db_res_params fid_parms;
948 uint32_t act_idx, mark, mark_flag;
952 if (!(tbl->mark_enable &&
953 ULP_BITMAP_ISSET(parms->act_bitmap->bits,
954 BNXT_ULP_ACTION_BIT_MARK)))
955 return rc; /* no need to perform mark action process */
957 /* Get the mark id details from action property */
958 memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
960 mark = tfp_be_to_cpu_32(mark);
962 if (!ulp_regfile_read(parms->regfile,
963 BNXT_ULP_REGFILE_INDEX_MAIN_ACTION_PTR,
965 BNXT_TF_DBG(ERR, "read action ptr main failed\n");
968 act_idx = tfp_be_to_cpu_64(val64);
969 mark_flag = BNXT_ULP_MARK_LOCAL_HW_FID;
970 rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
973 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
976 fid_parms.direction = tbl->direction;
977 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
978 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
979 fid_parms.resource_type = mark_flag;
980 fid_parms.resource_hndl = act_idx;
981 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
986 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
991 ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
992 struct bnxt_ulp_mapper_tbl_info *tbl)
994 struct bnxt_ulp_mapper_class_key_field_info *kflds;
995 struct ulp_blob key, mask, data;
996 uint32_t i, num_kflds;
999 struct tf_alloc_tcam_entry_parms aparms = { 0 };
1000 struct tf_set_tcam_entry_parms sparms = { 0 };
1001 struct ulp_flow_db_res_params fid_parms = { 0 };
1002 struct tf_free_tcam_entry_parms free_parms = { 0 };
1004 uint16_t tmplen = 0;
1006 /* Skip this if was handled by the cache. */
1007 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP) {
1008 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1012 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1014 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
1018 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1019 if (!kflds || !num_kflds) {
1020 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1024 if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order) ||
1025 !ulp_blob_init(&mask, tbl->key_bit_size, parms->order) ||
1026 !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1027 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1031 /* create the key/mask */
1033 * NOTE: The WC table will require some kind of flag to handle the
1034 * mode bits within the key/mask
1036 for (i = 0; i < num_kflds; i++) {
1038 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1040 &key, 1, "TCAM Key");
1042 BNXT_TF_DBG(ERR, "Key field set failed.\n");
1046 /* Setup the mask */
1047 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1049 &mask, 0, "TCAM Mask");
1051 BNXT_TF_DBG(ERR, "Mask field set failed.\n");
1056 aparms.dir = tbl->direction;
1057 aparms.tcam_tbl_type = tbl->resource_type;
1058 aparms.search_enable = tbl->srch_b4_alloc;
1059 aparms.key_sz_in_bits = tbl->key_bit_size;
1060 aparms.key = ulp_blob_data_get(&key, &tmplen);
1061 if (tbl->key_bit_size != tmplen) {
1062 BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n",
1063 tmplen, tbl->key_bit_size);
1067 aparms.mask = ulp_blob_data_get(&mask, &tmplen);
1068 if (tbl->key_bit_size != tmplen) {
1069 BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n",
1070 tmplen, tbl->key_bit_size);
1074 aparms.priority = tbl->priority;
1077 * All failures after this succeeds require the entry to be freed.
1078 * cannot return directly on failure, but needs to goto error
1080 rc = tf_alloc_tcam_entry(tfp, &aparms);
1082 BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
1088 /* Build the result */
1089 if (!tbl->srch_b4_alloc || !hit) {
1090 struct bnxt_ulp_mapper_result_field_info *dflds;
1091 struct bnxt_ulp_mapper_ident_info *idents;
1092 uint32_t num_dflds, num_idents;
1095 * Since the cache entry is responsible for allocating
1096 * identifiers when in use, allocate the identifiers only
1097 * during normal processing.
1099 if (parms->tcam_tbl_opc ==
1100 BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1101 idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1103 for (i = 0; i < num_idents; i++) {
1104 rc = ulp_mapper_ident_process(parms, tbl,
1106 /* Already logged the error, just return */
1112 /* Create the result data blob */
1113 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1114 if (!dflds || !num_dflds) {
1115 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1120 for (i = 0; i < num_dflds; i++) {
1121 rc = ulp_mapper_result_field_process(parms,
1127 BNXT_TF_DBG(ERR, "Failed to set data fields\n");
1132 sparms.dir = aparms.dir;
1133 sparms.tcam_tbl_type = aparms.tcam_tbl_type;
1134 sparms.idx = aparms.idx;
1135 /* Already verified the key/mask lengths */
1136 sparms.key = ulp_blob_data_get(&key, &tmplen);
1137 sparms.mask = ulp_blob_data_get(&mask, &tmplen);
1138 sparms.key_sz_in_bits = tbl->key_bit_size;
1139 sparms.result = ulp_blob_data_get(&data, &tmplen);
1141 if (tbl->result_bit_size != tmplen) {
1142 BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n",
1143 tmplen, tbl->result_bit_size);
1147 sparms.result_sz_in_bits = tbl->result_bit_size;
1149 rc = tf_set_tcam_entry(tfp, &sparms);
1151 BNXT_TF_DBG(ERR, "tcam[%d][%s][%d] write failed.\n",
1152 sparms.tcam_tbl_type,
1153 (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1158 /* Update cache with TCAM index if the was cache allocated. */
1159 if (parms->tcam_tbl_opc ==
1160 BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC) {
1161 if (!parms->cache_ptr) {
1162 BNXT_TF_DBG(ERR, "Unable to update cache");
1166 parms->cache_ptr->tcam_idx = aparms.idx;
1170 BNXT_TF_DBG(ERR, "Not supporting search before alloc now\n");
1176 * Only link the entry to the flow db in the event that cache was not
1179 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1180 fid_parms.direction = tbl->direction;
1181 fid_parms.resource_func = tbl->resource_func;
1182 fid_parms.resource_type = tbl->resource_type;
1183 fid_parms.critical_resource = tbl->critical_resource;
1184 fid_parms.resource_hndl = aparms.idx;
1185 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1191 "Failed to link resource to flow rc = %d\n",
1193 /* Need to free the identifier, so goto error */
1198 * Reset the tcam table opcode to normal in case the next tcam
1199 * entry does not use cache.
1201 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1202 parms->cache_ptr = NULL;
1207 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1208 free_parms.dir = tbl->direction;
1209 free_parms.tcam_tbl_type = tbl->resource_type;
1210 free_parms.idx = aparms.idx;
1211 trc = tf_free_tcam_entry(tfp, &free_parms);
1213 BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n",
1214 tbl->resource_type, tbl->direction, aparms.idx);
1220 ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1221 struct bnxt_ulp_mapper_tbl_info *tbl)
1223 struct bnxt_ulp_mapper_class_key_field_info *kflds;
1224 struct bnxt_ulp_mapper_result_field_info *dflds;
1225 struct ulp_blob key, data;
1226 uint32_t i, num_kflds, num_dflds;
1228 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1229 struct ulp_flow_db_res_params fid_parms = { 0 };
1230 struct tf_insert_em_entry_parms iparms = { 0 };
1231 struct tf_delete_em_entry_parms free_parms = { 0 };
1235 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1236 if (!kflds || !num_kflds) {
1237 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1241 /* Initialize the key/result blobs */
1242 if (!ulp_blob_init(&key, tbl->blob_key_bit_size, parms->order) ||
1243 !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
1244 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1248 /* create the key */
1249 for (i = 0; i < num_kflds; i++) {
1251 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1255 BNXT_TF_DBG(ERR, "Key field set failed.\n");
1261 * TBD: Normally should process identifiers in case of using recycle or
1262 * loopback. Not supporting recycle for now.
1265 /* Create the result data blob */
1266 dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
1267 if (!dflds || !num_dflds) {
1268 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1272 for (i = 0; i < num_dflds; i++) {
1273 struct bnxt_ulp_mapper_result_field_info *fld;
1277 rc = ulp_mapper_result_field_process(parms,
1283 BNXT_TF_DBG(ERR, "Failed to set data fields.\n");
1288 rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
1289 &iparms.tbl_scope_id);
1291 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1296 * NOTE: the actual blob size will differ from the size in the tbl
1297 * entry due to the padding.
1299 iparms.dup_check = 0;
1300 iparms.dir = tbl->direction;
1301 iparms.mem = tbl->resource_type;
1302 iparms.key = ulp_blob_data_get(&key, &tmplen);
1303 iparms.key_sz_in_bits = tbl->key_bit_size;
1304 iparms.em_record = ulp_blob_data_get(&data, &tmplen);
1305 iparms.em_record_sz_in_bits = tbl->result_bit_size;
1307 rc = tf_insert_em_entry(tfp, &iparms);
1309 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
1313 /* Mark action process */
1314 if (parms->device_params->global_fid_enable &&
1315 tbl->resource_type == TF_MEM_EXTERNAL)
1316 rc = ulp_mapper_mark_gfid_process(parms, tbl, iparms.flow_id);
1317 else if (!parms->device_params->global_fid_enable &&
1318 tbl->resource_type == TF_MEM_INTERNAL)
1319 rc = ulp_mapper_mark_act_ptr_process(parms, tbl);
1321 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1325 /* Link the EM resource to the flow in the flow db */
1326 memset(&fid_parms, 0, sizeof(fid_parms));
1327 fid_parms.direction = tbl->direction;
1328 fid_parms.resource_func = tbl->resource_func;
1329 fid_parms.resource_type = tbl->resource_type;
1330 fid_parms.critical_resource = tbl->critical_resource;
1331 fid_parms.resource_hndl = iparms.flow_handle;
1333 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1338 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1340 /* Need to free the identifier, so goto error */
1346 free_parms.dir = iparms.dir;
1347 free_parms.mem = iparms.mem;
1348 free_parms.tbl_scope_id = iparms.tbl_scope_id;
1349 free_parms.flow_handle = iparms.flow_handle;
1351 trc = tf_delete_em_entry(tfp, &free_parms);
1353 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
1359 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1360 struct bnxt_ulp_mapper_tbl_info *tbl,
1363 struct bnxt_ulp_mapper_result_field_info *flds;
1364 struct ulp_flow_db_res_params fid_parms;
1365 struct ulp_blob data;
1368 uint32_t i, num_flds;
1369 int32_t rc = 0, trc = 0;
1370 struct tf_alloc_tbl_entry_parms aparms = { 0 };
1371 struct tf_set_tbl_entry_parms sparms = { 0 };
1372 struct tf_free_tbl_entry_parms free_parms = { 0 };
1373 uint32_t tbl_scope_id;
1374 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1376 uint32_t encap_flds = 0;
1378 /* Get the scope id first */
1379 rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
1381 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1385 /* use the max size if encap is enabled */
1386 if (tbl->encap_num_fields)
1387 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS;
1389 bit_size = tbl->result_bit_size;
1391 /* Initialize the blob data */
1392 if (!ulp_blob_init(&data, bit_size,
1393 parms->device_params->byte_order)) {
1394 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
1398 /* Get the result fields list */
1400 flds = ulp_mapper_result_fields_get(tbl, &num_flds);
1402 flds = ulp_mapper_act_result_fields_get(tbl, &num_flds,
1405 if (!flds || !num_flds) {
1406 BNXT_TF_DBG(ERR, "template undefined for the index table\n");
1410 /* process the result fields, loop through them */
1411 for (i = 0; i < (num_flds + encap_flds); i++) {
1412 /* set the swap index if encap swap bit is enabled */
1413 if (parms->device_params->encap_byte_swap && encap_flds &&
1414 ((i + 1) == num_flds))
1415 ulp_blob_encap_swap_idx_set(&data);
1417 /* Process the result fields */
1418 rc = ulp_mapper_result_field_process(parms,
1424 BNXT_TF_DBG(ERR, "data field failed\n");
1428 /* if encap bit swap is enabled perform the bit swap */
1429 if (parms->device_params->encap_byte_swap && encap_flds) {
1430 if ((i + 1) == (num_flds + encap_flds))
1431 ulp_blob_perform_encap_swap(&data);
1432 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
1433 if ((i + 1) == (num_flds + encap_flds)) {
1434 BNXT_TF_DBG(INFO, "Dump fter encap swap\n");
1435 ulp_mapper_blob_dump(&data);
1441 /* Perform the tf table allocation by filling the alloc params */
1442 aparms.dir = tbl->direction;
1443 aparms.type = tbl->resource_type;
1444 aparms.search_enable = tbl->srch_b4_alloc;
1445 aparms.result = ulp_blob_data_get(&data, &tmplen);
1446 aparms.result_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1447 aparms.tbl_scope_id = tbl_scope_id;
1449 /* All failures after the alloc succeeds require a free */
1450 rc = tf_alloc_tbl_entry(tfp, &aparms);
1452 BNXT_TF_DBG(ERR, "Alloc table[%d][%s] failed rc=%d\n",
1454 (aparms.dir == TF_DIR_RX) ? "RX" : "TX",
1460 * calculate the idx for the result record, for external EM the offset
1461 * needs to be shifted accordingly. If external non-inline table types
1462 * are used then need to revisit this logic.
1464 if (aparms.type == TF_TBL_TYPE_EXT)
1465 idx = TF_ACT_REC_OFFSET_2_PTR(aparms.idx);
1469 /* Always storing values in Regfile in BE */
1470 idx = tfp_cpu_to_be_64(idx);
1471 rc = ulp_regfile_write(parms->regfile, tbl->regfile_idx, idx);
1473 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
1478 /* Perform the tf table set by filling the set params */
1479 if (!tbl->srch_b4_alloc || !aparms.hit) {
1480 sparms.dir = tbl->direction;
1481 sparms.type = tbl->resource_type;
1482 sparms.data = ulp_blob_data_get(&data, &tmplen);
1483 sparms.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
1484 sparms.idx = aparms.idx;
1485 sparms.tbl_scope_id = tbl_scope_id;
1487 rc = tf_set_tbl_entry(tfp, &sparms);
1489 BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
1491 (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
1498 /* Link the resource to the flow in the flow db */
1499 memset(&fid_parms, 0, sizeof(fid_parms));
1500 fid_parms.direction = tbl->direction;
1501 fid_parms.resource_func = tbl->resource_func;
1502 fid_parms.resource_type = tbl->resource_type;
1503 fid_parms.resource_hndl = aparms.idx;
1504 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1506 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1511 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
1519 * Free the allocated resource since we failed to either
1520 * write to the entry or link the flow
1522 free_parms.dir = tbl->direction;
1523 free_parms.type = tbl->resource_type;
1524 free_parms.idx = aparms.idx;
1525 free_parms.tbl_scope_id = tbl_scope_id;
1527 trc = tf_free_tbl_entry(tfp, &free_parms);
1529 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
1535 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1536 struct bnxt_ulp_mapper_tbl_info *tbl)
1538 struct bnxt_ulp_mapper_class_key_field_info *kflds;
1539 struct bnxt_ulp_mapper_cache_entry *cache_entry;
1540 struct bnxt_ulp_mapper_ident_info *idents;
1541 uint32_t i, num_kflds = 0, num_idents = 0;
1542 struct ulp_flow_db_res_params fid_parms;
1543 struct tf_free_identifier_parms fparms;
1544 uint16_t tmplen, tmp_ident;
1545 struct ulp_blob key;
1551 /* Get the key fields list and build the key. */
1552 kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
1553 if (!kflds || !num_kflds) {
1554 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1557 if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order)) {
1558 BNXT_TF_DBG(ERR, "Failed to alloc blob\n");
1561 for (i = 0; i < num_kflds; i++) {
1563 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1565 &key, 1, "Cache Key");
1568 "Failed to create key for Cache rc=%d\n",
1575 * Perform the lookup in the cache table with constructed key. The
1576 * cache_key is a byte array of tmplen, it needs to be converted to a
1577 * index for the cache table.
1579 cache_key = ulp_blob_data_get(&key, &tmplen);
1580 ckey = (uint16_t *)cache_key;
1583 * The id computed based on resource sub type and direction where
1584 * dir is the bit0 and rest of the bits come from resource
1587 cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx,
1588 (tbl->resource_sub_type << 1 |
1589 (tbl->direction & 0x1)),
1593 * Get the identifier list for processing by both the hit and miss
1596 idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
1598 if (!cache_entry->ref_count) {
1599 /* Initialize the cache entry */
1600 cache_entry->tcam_idx = 0;
1601 cache_entry->ref_count = 0;
1602 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++)
1603 cache_entry->idents[i] = ULP_IDENTS_INVALID;
1605 /* Need to allocate identifiers for storing in the cache. */
1606 for (i = 0; i < num_idents; i++) {
1608 * Since we are using the cache, the identifier does not
1609 * get added to the flow db. Pass in the pointer to the
1612 rc = ulp_mapper_ident_process(parms, tbl,
1613 &idents[i], &tmp_ident);
1617 cache_entry->ident_types[i] = idents[i].ident_type;
1618 cache_entry->idents[i] = tmp_ident;
1621 /* Tell the TCAM processor to alloc an entry */
1622 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC;
1623 /* Store the cache key for use by the tcam process code */
1624 parms->cache_ptr = cache_entry;
1626 /* Cache hit, get values from result. */
1627 for (i = 0; i < num_idents; i++) {
1628 regval = (uint64_t)cache_entry->idents[i];
1629 if (!ulp_regfile_write(parms->regfile,
1630 idents[i].regfile_idx,
1631 tfp_cpu_to_be_64(regval))) {
1633 "Failed to write to regfile\n");
1638 * The cached entry is being used, so let the tcam processing
1639 * know not to process this table.
1641 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP;
1644 /* Made through the cache processing, increment the reference count. */
1645 cache_entry->ref_count++;
1647 /* Link the cache to the flow db. */
1648 memset(&fid_parms, 0, sizeof(fid_parms));
1649 fid_parms.direction = tbl->direction;
1650 fid_parms.resource_func = tbl->resource_func;
1653 * Cache resource type is composed of table_type, resource
1654 * sub type and direction, it needs to set appropriately via setter.
1656 ulp_mapper_cache_res_type_set(&fid_parms,
1658 (tbl->resource_sub_type << 1 |
1659 (tbl->direction & 0x1)));
1660 fid_parms.resource_hndl = (uint64_t)*ckey;
1661 fid_parms.critical_resource = tbl->critical_resource;
1662 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1667 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n");
1672 * This error handling only gets called when the idents are being
1673 * allocated for the cache on misses. Using the num_idents that was
1676 for (i = 0; i < num_idents; i++) {
1677 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
1680 fparms.dir = tbl->direction;
1681 fparms.ident_type = idents[i].ident_type;
1682 fparms.id = cache_entry->idents[i];
1683 tf_free_identifier(parms->tfp, &fparms);
1690 ulp_mapper_glb_resource_info_init(struct tf *tfp,
1691 struct bnxt_ulp_mapper_data *mapper_data)
1693 struct bnxt_ulp_glb_resource_info *glb_res;
1694 uint32_t num_glb_res_ids, idx;
1697 glb_res = ulp_mapper_glb_resource_info_list_get(&num_glb_res_ids);
1698 if (!glb_res || !num_glb_res_ids) {
1699 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
1703 /* Iterate the global resources and process each one */
1704 for (idx = 0; idx < num_glb_res_ids; idx++) {
1705 switch (glb_res[idx].resource_func) {
1706 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1707 rc = ulp_mapper_resource_ident_allocate(tfp,
1712 BNXT_TF_DBG(ERR, "Global resource %x not supported\n",
1713 glb_res[idx].resource_func);
1721 * Function to process the action template. Iterate through the list
1722 * action info templates and process it.
1725 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1729 struct bnxt_ulp_mapper_tbl_info *tbl;
1731 if (!parms->atbls || !parms->num_atbls) {
1732 BNXT_TF_DBG(ERR, "No action tables for template[%d][%d].\n",
1733 parms->dev_id, parms->act_tid);
1737 for (i = 0; i < parms->num_atbls; i++) {
1738 tbl = &parms->atbls[i];
1739 switch (tbl->resource_func) {
1740 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1741 rc = ulp_mapper_index_tbl_process(parms, tbl, false);
1744 BNXT_TF_DBG(ERR, "Unexpected action resource %d\n",
1745 tbl->resource_func);
1750 BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1751 tbl->resource_func);
1758 /* Create the classifier table entries for a flow. */
1760 ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
1768 if (!parms->ctbls || !parms->num_ctbls) {
1769 BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n",
1770 parms->dev_id, parms->class_tid);
1774 for (i = 0; i < parms->num_ctbls; i++) {
1775 struct bnxt_ulp_mapper_tbl_info *tbl = &parms->ctbls[i];
1777 switch (tbl->resource_func) {
1778 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1779 rc = ulp_mapper_tcam_tbl_process(parms, tbl);
1781 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1782 rc = ulp_mapper_em_tbl_process(parms, tbl);
1784 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1785 rc = ulp_mapper_index_tbl_process(parms, tbl, true);
1787 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1788 rc = ulp_mapper_cache_tbl_process(parms, tbl);
1791 BNXT_TF_DBG(ERR, "Unexpected class resource %d\n",
1792 tbl->resource_func);
1797 BNXT_TF_DBG(ERR, "Resource type %d failed\n",
1798 tbl->resource_func);
1807 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
1808 struct ulp_flow_db_res_params *res)
1814 BNXT_TF_DBG(ERR, "Unable to free resource\n ");
1818 tfp = bnxt_ulp_cntxt_tfp_get(ulp);
1820 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n");
1824 switch (res->resource_func) {
1825 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
1826 rc = ulp_mapper_cache_entry_free(ulp, tfp, res);
1828 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
1829 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
1831 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
1832 rc = ulp_mapper_eem_entry_free(ulp, tfp, res);
1834 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
1835 rc = ulp_mapper_index_entry_free(ulp, tfp, res);
1837 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
1838 rc = ulp_mapper_ident_free(ulp, tfp, res);
1840 case BNXT_ULP_RESOURCE_FUNC_HW_FID:
1841 rc = ulp_mapper_mark_free(ulp, res);
1851 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx,
1853 enum bnxt_ulp_flow_db_tables tbl_type)
1855 struct ulp_flow_db_res_params res_parms = { 0 };
1859 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1864 * Set the critical resource on the first resource del, then iterate
1865 * while status is good
1867 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_YES;
1868 rc = ulp_flow_db_resource_del(ulp_ctx, tbl_type, fid, &res_parms);
1872 * This is unexpected on the first call to resource del.
1873 * It likely means that the flow did not exist in the flow db.
1875 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n",
1881 trc = ulp_mapper_resource_free(ulp_ctx, &res_parms);
1884 * On fail, we still need to attempt to free the
1885 * remaining resources. Don't return
1888 "Flow[%d][0x%x] Res[%d][0x%016" PRIx64
1889 "] failed rc=%d.\n",
1890 tbl_type, fid, res_parms.resource_func,
1891 res_parms.resource_hndl, trc);
1893 /* All subsequent call require the non-critical_resource */
1894 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1896 rc = ulp_flow_db_resource_del(ulp_ctx,
1902 /* Free the Flow ID since we've removed all resources */
1903 rc = ulp_flow_db_fid_free(ulp_ctx, tbl_type, fid);
1909 ulp_mapper_glb_resource_info_deinit(struct bnxt_ulp_context *ulp_ctx,
1910 struct bnxt_ulp_mapper_data *mapper_data)
1912 struct bnxt_ulp_mapper_glb_resource_entry *ent;
1913 struct ulp_flow_db_res_params res;
1916 /* Iterate the global resources and process each one */
1917 for (dir = TF_DIR_RX; dir < TF_DIR_MAX; dir++) {
1918 for (idx = 0; idx < BNXT_ULP_GLB_RESOURCE_INFO_TBL_MAX_SZ;
1920 ent = &mapper_data->glb_res_tbl[dir][idx];
1921 if (ent->resource_func ==
1922 BNXT_ULP_RESOURCE_FUNC_INVALID)
1924 memset(&res, 0, sizeof(struct ulp_flow_db_res_params));
1925 res.resource_func = ent->resource_func;
1926 res.direction = dir;
1927 res.resource_type = ent->resource_type;
1928 res.resource_hndl = ent->resource_hndl;
1929 ulp_mapper_resource_free(ulp_ctx, &res);
1935 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx, uint32_t fid)
1938 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
1942 return ulp_mapper_resources_free(ulp_ctx,
1944 BNXT_ULP_REGULAR_FLOW_TABLE);
1947 /* Function to handle the mapping of the Flow to be compatible
1948 * with the underlying hardware.
1951 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
1952 struct bnxt_ulp_mapper_create_parms *cparms,
1955 struct bnxt_ulp_device_params *device_params;
1956 struct bnxt_ulp_mapper_parms parms;
1957 struct ulp_regfile regfile;
1960 if (!ulp_ctx || !cparms)
1963 /* Initialize the parms structure */
1964 memset(&parms, 0, sizeof(parms));
1965 parms.act_prop = cparms->act_prop;
1966 parms.act_bitmap = cparms->act;
1967 parms.regfile = ®file;
1968 parms.hdr_field = cparms->hdr_field;
1969 parms.comp_fld = cparms->comp_fld;
1970 parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
1971 parms.ulp_ctx = ulp_ctx;
1972 parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1974 /* Get the device id from the ulp context */
1975 if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) {
1976 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
1981 * Get the mapper data for dynamic mapper data such as default
1984 parms.mapper_data = (struct bnxt_ulp_mapper_data *)
1985 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
1986 if (!parms.mapper_data) {
1987 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
1991 /* Get the action table entry from device id and act context id */
1992 parms.act_tid = cparms->act_tid;
1993 parms.atbls = ulp_mapper_action_tbl_list_get(parms.dev_id,
1996 if (!parms.atbls || !parms.num_atbls) {
1997 BNXT_TF_DBG(ERR, "No action tables for %d:%d\n",
1998 parms.dev_id, parms.act_tid);
2002 /* Get the class table entry from device id and act context id */
2003 parms.class_tid = cparms->class_tid;
2004 parms.ctbls = ulp_mapper_class_tbl_list_get(parms.dev_id,
2007 if (!parms.ctbls || !parms.num_ctbls) {
2008 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2009 parms.dev_id, parms.class_tid);
2013 /* Get the byte order for the further processing from device params */
2014 device_params = bnxt_ulp_device_params_get(parms.dev_id);
2015 if (!device_params) {
2016 BNXT_TF_DBG(ERR, "No class tables for %d:%d\n",
2017 parms.dev_id, parms.class_tid);
2020 parms.order = device_params->byte_order;
2021 parms.encap_byte_swap = device_params->encap_byte_swap;
2023 /* initialize the registry file for further processing */
2024 if (!ulp_regfile_init(parms.regfile)) {
2025 BNXT_TF_DBG(ERR, "regfile initialization failed.\n");
2029 rc = ulp_regfile_write(parms.regfile,
2030 BNXT_ULP_REGFILE_INDEX_CLASS_TID,
2031 tfp_cpu_to_be_64((uint64_t)parms.class_tid));
2033 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n");
2037 /* Allocate a Flow ID for attaching all resources for the flow to.
2038 * Once allocated, all errors have to walk the list of resources and
2039 * free each of them.
2041 rc = ulp_flow_db_fid_alloc(ulp_ctx,
2042 BNXT_ULP_REGULAR_FLOW_TABLE,
2046 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n");
2050 /* Process the action template list from the selected action table*/
2051 rc = ulp_mapper_action_tbls_process(&parms);
2053 BNXT_TF_DBG(ERR, "action tables failed creation for %d:%d\n",
2054 parms.dev_id, parms.act_tid);
2058 /* All good. Now process the class template */
2059 rc = ulp_mapper_class_tbls_process(&parms);
2061 BNXT_TF_DBG(ERR, "class tables failed creation for %d:%d\n",
2062 parms.dev_id, parms.class_tid);
2066 *flowid = parms.fid;
2071 /* Free all resources that were allocated during flow creation */
2072 trc = ulp_mapper_flow_destroy(ulp_ctx, parms.fid);
2074 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc);
2080 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx)
2082 struct bnxt_ulp_cache_tbl_params *tbl;
2083 struct bnxt_ulp_mapper_data *data;
2091 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2095 data = rte_zmalloc("ulp_mapper_data",
2096 sizeof(struct bnxt_ulp_mapper_data), 0);
2098 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n");
2102 if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) {
2103 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n");
2104 /* Don't call deinit since the prof_func wasn't allocated. */
2109 /* Allocate the global resource ids */
2110 rc = ulp_mapper_glb_resource_info_init(tfp, data);
2112 BNXT_TF_DBG(ERR, "Failed to initialize global resource ids\n");
2116 /* Allocate the ulp cache tables. */
2117 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2118 tbl = ulp_mapper_cache_tbl_params_get(i);
2120 BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)",
2124 if (tbl->num_entries != 0) {
2125 csize = sizeof(struct bnxt_ulp_mapper_cache_entry) *
2127 data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl",
2129 if (!data->cache_tbl[i]) {
2130 BNXT_TF_DBG(ERR, "Failed to allocate Cache "
2140 /* Ignore the return code in favor of returning the original error. */
2141 ulp_mapper_deinit(ulp_ctx);
2146 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx)
2148 struct bnxt_ulp_mapper_data *data;
2154 "Failed to acquire ulp context, so data may "
2155 "not be released.\n");
2159 data = (struct bnxt_ulp_mapper_data *)
2160 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2162 /* Go ahead and return since there is no allocated data. */
2163 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n");
2167 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2169 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n");
2170 /* Free the mapper data regardless of errors. */
2171 goto free_mapper_data;
2174 /* Free the global resource info table entries */
2175 ulp_mapper_glb_resource_info_deinit(ulp_ctx, data);
2178 /* Free the ulp cache tables */
2179 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2180 rte_free(data->cache_tbl[i]);
2181 data->cache_tbl[i] = NULL;
2185 /* Reset the data pointer within the ulp_ctx. */
2186 bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL);