1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2020 Broadcom
3 * All rights reserved.
4 */
5
6 #include <rte_log.h>
7 #include <rte_malloc.h>
8 #include "bnxt.h"
9 #include "ulp_template_db_enum.h"
10 #include "ulp_template_struct.h"
11 #include "bnxt_tf_common.h"
12 #include "ulp_utils.h"
13 #include "bnxt_ulp.h"
14 #include "tfp.h"
15 #include "tf_ext_flow_handle.h"
16 #include "ulp_mark_mgr.h"
17 #include "ulp_mapper.h"
18 #include "ulp_flow_db.h"
19 #include "tf_util.h"
20
21 static struct bnxt_ulp_glb_resource_info *
ulp_mapper_glb_resource_info_list_get(uint32_t * num_entries)22 ulp_mapper_glb_resource_info_list_get(uint32_t *num_entries)
23 {
24 if (!num_entries)
25 return NULL;
26 *num_entries = BNXT_ULP_GLB_RESOURCE_TBL_MAX_SZ;
27 return ulp_glb_resource_tbl;
28 }
29
30 /*
31 * Read the global resource from the mapper global resource list
32 *
33 * The regval is always returned in big-endian.
34 *
35 * returns 0 on success
36 */
37 static int32_t
ulp_mapper_glb_resource_read(struct bnxt_ulp_mapper_data * mapper_data,enum tf_dir dir,uint16_t idx,uint64_t * regval)38 ulp_mapper_glb_resource_read(struct bnxt_ulp_mapper_data *mapper_data,
39 enum tf_dir dir,
40 uint16_t idx,
41 uint64_t *regval)
42 {
43 if (!mapper_data || !regval ||
44 dir >= TF_DIR_MAX || idx >= BNXT_ULP_GLB_REGFILE_INDEX_LAST)
45 return -EINVAL;
46
47 *regval = mapper_data->glb_res_tbl[dir][idx].resource_hndl;
48 return 0;
49 }
50
51 /*
52 * Write a global resource to the mapper global resource list
53 *
54 * The regval value must be in big-endian.
55 *
56 * return 0 on success.
57 */
58 static int32_t
ulp_mapper_glb_resource_write(struct bnxt_ulp_mapper_data * data,struct bnxt_ulp_glb_resource_info * res,uint64_t regval)59 ulp_mapper_glb_resource_write(struct bnxt_ulp_mapper_data *data,
60 struct bnxt_ulp_glb_resource_info *res,
61 uint64_t regval)
62 {
63 struct bnxt_ulp_mapper_glb_resource_entry *ent;
64
65 /* validate the arguments */
66 if (!data || res->direction >= TF_DIR_MAX ||
67 res->glb_regfile_index >= BNXT_ULP_GLB_REGFILE_INDEX_LAST)
68 return -EINVAL;
69
70 /* write to the mapper data */
71 ent = &data->glb_res_tbl[res->direction][res->glb_regfile_index];
72 ent->resource_func = res->resource_func;
73 ent->resource_type = res->resource_type;
74 ent->resource_hndl = regval;
75 return 0;
76 }
77
78 /*
79 * Internal function to allocate identity resource and store it in mapper data.
80 *
81 * returns 0 on success
82 */
83 static int32_t
ulp_mapper_resource_ident_allocate(struct bnxt_ulp_context * ulp_ctx,struct bnxt_ulp_mapper_data * mapper_data,struct bnxt_ulp_glb_resource_info * glb_res)84 ulp_mapper_resource_ident_allocate(struct bnxt_ulp_context *ulp_ctx,
85 struct bnxt_ulp_mapper_data *mapper_data,
86 struct bnxt_ulp_glb_resource_info *glb_res)
87 {
88 struct tf_alloc_identifier_parms iparms = { 0 };
89 struct tf_free_identifier_parms fparms;
90 uint64_t regval;
91 struct tf *tfp;
92 int32_t rc = 0;
93
94 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
95 if (!tfp)
96 return -EINVAL;
97
98 iparms.ident_type = glb_res->resource_type;
99 iparms.dir = glb_res->direction;
100
101 /* Allocate the Identifier using tf api */
102 rc = tf_alloc_identifier(tfp, &iparms);
103 if (rc) {
104 BNXT_TF_DBG(ERR, "Failed to alloc identifier [%s][%d]\n",
105 (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
106 iparms.ident_type);
107 return rc;
108 }
109
110 /* entries are stored as big-endian format */
111 regval = tfp_cpu_to_be_64((uint64_t)iparms.id);
112 /* write to the mapper global resource */
113 rc = ulp_mapper_glb_resource_write(mapper_data, glb_res, regval);
114 if (rc) {
115 BNXT_TF_DBG(ERR, "Failed to write to global resource id\n");
116 /* Free the identifier when update failed */
117 fparms.dir = iparms.dir;
118 fparms.ident_type = iparms.ident_type;
119 fparms.id = iparms.id;
120 tf_free_identifier(tfp, &fparms);
121 return rc;
122 }
123 return rc;
124 }
125
126 /*
127 * Internal function to allocate index tbl resource and store it in mapper data.
128 *
129 * returns 0 on success
130 */
131 static int32_t
ulp_mapper_resource_index_tbl_alloc(struct bnxt_ulp_context * ulp_ctx,struct bnxt_ulp_mapper_data * mapper_data,struct bnxt_ulp_glb_resource_info * glb_res)132 ulp_mapper_resource_index_tbl_alloc(struct bnxt_ulp_context *ulp_ctx,
133 struct bnxt_ulp_mapper_data *mapper_data,
134 struct bnxt_ulp_glb_resource_info *glb_res)
135 {
136 struct tf_alloc_tbl_entry_parms aparms = { 0 };
137 struct tf_free_tbl_entry_parms free_parms = { 0 };
138 uint64_t regval;
139 struct tf *tfp;
140 uint32_t tbl_scope_id;
141 int32_t rc = 0;
142
143 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
144 if (!tfp)
145 return -EINVAL;
146
147 /* Get the scope id */
148 rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp_ctx, &tbl_scope_id);
149 if (rc) {
150 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
151 return rc;
152 }
153
154 aparms.type = glb_res->resource_type;
155 aparms.dir = glb_res->direction;
156 aparms.search_enable = BNXT_ULP_SEARCH_BEFORE_ALLOC_NO;
157 aparms.tbl_scope_id = tbl_scope_id;
158
159 /* Allocate the index tbl using tf api */
160 rc = tf_alloc_tbl_entry(tfp, &aparms);
161 if (rc) {
162 BNXT_TF_DBG(ERR, "Failed to alloc identifier [%s][%d]\n",
163 (aparms.dir == TF_DIR_RX) ? "RX" : "TX",
164 aparms.type);
165 return rc;
166 }
167
168 /* entries are stored as big-endian format */
169 regval = tfp_cpu_to_be_64((uint64_t)aparms.idx);
170 /* write to the mapper global resource */
171 rc = ulp_mapper_glb_resource_write(mapper_data, glb_res, regval);
172 if (rc) {
173 BNXT_TF_DBG(ERR, "Failed to write to global resource id\n");
174 /* Free the identifier when update failed */
175 free_parms.dir = aparms.dir;
176 free_parms.type = aparms.type;
177 free_parms.idx = aparms.idx;
178 tf_free_tbl_entry(tfp, &free_parms);
179 return rc;
180 }
181 return rc;
182 }
183
184 /* Retrieve the cache initialization parameters for the tbl_idx */
185 static struct bnxt_ulp_cache_tbl_params *
ulp_mapper_cache_tbl_params_get(uint32_t tbl_idx)186 ulp_mapper_cache_tbl_params_get(uint32_t tbl_idx)
187 {
188 if (tbl_idx >= BNXT_ULP_CACHE_TBL_MAX_SZ)
189 return NULL;
190
191 return &ulp_cache_tbl_params[tbl_idx];
192 }
193
194 /* Retrieve the global template table */
195 static uint32_t *
ulp_mapper_glb_template_table_get(uint32_t * num_entries)196 ulp_mapper_glb_template_table_get(uint32_t *num_entries)
197 {
198 if (!num_entries)
199 return NULL;
200 *num_entries = BNXT_ULP_GLB_TEMPLATE_TBL_MAX_SZ;
201 return ulp_glb_template_tbl;
202 }
203
204 /*
205 * Get the size of the action property for a given index.
206 *
207 * idx [in] The index for the action property
208 *
209 * returns the size of the action property.
210 */
211 static uint32_t
ulp_mapper_act_prop_size_get(uint32_t idx)212 ulp_mapper_act_prop_size_get(uint32_t idx)
213 {
214 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST)
215 return 0;
216 return ulp_act_prop_map_table[idx];
217 }
218
219 /*
220 * Get a list of classifier tables that implement the flow
221 * Gets a device dependent list of tables that implement the class template id
222 *
223 * mparms [in] The mappers parms with data related to the flow.
224 *
225 * tid [in] The template id that matches the flow
226 *
227 * num_tbls [out] The number of classifier tables in the returned array
228 *
229 * returns An array of classifier tables to implement the flow, or NULL on
230 * error
231 */
232 static struct bnxt_ulp_mapper_tbl_info *
ulp_mapper_tbl_list_get(struct bnxt_ulp_mapper_parms * mparms,uint32_t tid,uint32_t * num_tbls)233 ulp_mapper_tbl_list_get(struct bnxt_ulp_mapper_parms *mparms,
234 uint32_t tid,
235 uint32_t *num_tbls)
236 {
237 uint32_t idx;
238 const struct ulp_template_device_tbls *dev_tbls;
239
240 dev_tbls = &mparms->device_params->dev_tbls[mparms->tmpl_type];
241
242 idx = dev_tbls->tmpl_list[tid].start_tbl_idx;
243 *num_tbls = dev_tbls->tmpl_list[tid].num_tbls;
244
245 return &dev_tbls->tbl_list[idx];
246 }
247
248 /*
249 * Get the list of key fields that implement the flow.
250 *
251 * mparms [in] The mapper parms with information about the flow
252 *
253 * tbl [in] A single table instance to get the key fields from
254 *
255 * num_flds [out] The number of key fields in the returned array
256 *
257 * Returns array of Key fields, or NULL on error.
258 */
259 static struct bnxt_ulp_mapper_key_field_info *
ulp_mapper_key_fields_get(struct bnxt_ulp_mapper_parms * mparms,struct bnxt_ulp_mapper_tbl_info * tbl,uint32_t * num_flds)260 ulp_mapper_key_fields_get(struct bnxt_ulp_mapper_parms *mparms,
261 struct bnxt_ulp_mapper_tbl_info *tbl,
262 uint32_t *num_flds)
263 {
264 uint32_t idx;
265 const struct ulp_template_device_tbls *dev_tbls;
266
267 dev_tbls = &mparms->device_params->dev_tbls[mparms->tmpl_type];
268 if (!dev_tbls->key_field_list) {
269 *num_flds = 0;
270 return NULL;
271 }
272
273 idx = tbl->key_start_idx;
274 *num_flds = tbl->key_num_fields;
275
276 return &dev_tbls->key_field_list[idx];
277 }
278
279 /*
280 * Get the list of data fields that implement the flow.
281 *
282 * mparms [in] The mapper parms with information about the flow
283 *
284 * tbl [in] A single table instance to get the data fields from
285 *
286 * num_flds [out] The number of data fields in the returned array.
287 *
288 * num_encap_flds [out] The number of encap fields in the returned array.
289 *
290 * Returns array of data fields, or NULL on error.
291 */
292 static struct bnxt_ulp_mapper_result_field_info *
ulp_mapper_result_fields_get(struct bnxt_ulp_mapper_parms * mparms,struct bnxt_ulp_mapper_tbl_info * tbl,uint32_t * num_flds,uint32_t * num_encap_flds)293 ulp_mapper_result_fields_get(struct bnxt_ulp_mapper_parms *mparms,
294 struct bnxt_ulp_mapper_tbl_info *tbl,
295 uint32_t *num_flds,
296 uint32_t *num_encap_flds)
297 {
298 uint32_t idx;
299 const struct ulp_template_device_tbls *dev_tbls;
300
301 dev_tbls = &mparms->device_params->dev_tbls[mparms->tmpl_type];
302 if (!dev_tbls->result_field_list) {
303 *num_flds = 0;
304 *num_encap_flds = 0;
305 return NULL;
306 }
307
308 idx = tbl->result_start_idx;
309 *num_flds = tbl->result_num_fields;
310 *num_encap_flds = tbl->encap_num_fields;
311
312 return &dev_tbls->result_field_list[idx];
313 }
314
315 /*
316 * Get the list of ident fields that implement the flow
317 *
318 * tbl [in] A single table instance to get the ident fields from
319 *
320 * num_flds [out] The number of ident fields in the returned array
321 *
322 * returns array of ident fields, or NULL on error
323 */
324 static struct bnxt_ulp_mapper_ident_info *
ulp_mapper_ident_fields_get(struct bnxt_ulp_mapper_parms * mparms,struct bnxt_ulp_mapper_tbl_info * tbl,uint32_t * num_flds)325 ulp_mapper_ident_fields_get(struct bnxt_ulp_mapper_parms *mparms,
326 struct bnxt_ulp_mapper_tbl_info *tbl,
327 uint32_t *num_flds)
328 {
329 uint32_t idx;
330 const struct ulp_template_device_tbls *dev_tbls;
331
332 dev_tbls = &mparms->device_params->dev_tbls[mparms->tmpl_type];
333 if (!dev_tbls->ident_list) {
334 *num_flds = 0;
335 return NULL;
336 }
337
338 idx = tbl->ident_start_idx;
339 *num_flds = tbl->ident_nums;
340
341 return &dev_tbls->ident_list[idx];
342 }
343
344 static struct bnxt_ulp_mapper_cache_entry *
ulp_mapper_cache_entry_get(struct bnxt_ulp_context * ulp,uint32_t id,uint16_t key)345 ulp_mapper_cache_entry_get(struct bnxt_ulp_context *ulp,
346 uint32_t id,
347 uint16_t key)
348 {
349 struct bnxt_ulp_mapper_data *mapper_data;
350
351 mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp);
352 if (!mapper_data || id >= BNXT_ULP_CACHE_TBL_MAX_SZ ||
353 !mapper_data->cache_tbl[id]) {
354 BNXT_TF_DBG(ERR, "Unable to acquire the cache tbl (%d)\n", id);
355 return NULL;
356 }
357
358 return &mapper_data->cache_tbl[id][key];
359 }
360
361 /*
362 * Concatenates the tbl_type and tbl_id into a 32bit value for storing in the
363 * resource_type. This is done to conserve memory since both the tbl_type and
364 * tbl_id are 16bit.
365 */
366 static inline void
ulp_mapper_cache_res_type_set(struct ulp_flow_db_res_params * res,uint16_t tbl_type,uint16_t tbl_id)367 ulp_mapper_cache_res_type_set(struct ulp_flow_db_res_params *res,
368 uint16_t tbl_type,
369 uint16_t tbl_id)
370 {
371 res->resource_type = tbl_type;
372 res->resource_sub_type = tbl_id;
373 }
374
375 /* Extracts the tbl_type and tbl_id from the 32bit resource type. */
376 static inline void
ulp_mapper_cache_res_type_get(struct ulp_flow_db_res_params * res,uint16_t * tbl_type,uint16_t * tbl_id)377 ulp_mapper_cache_res_type_get(struct ulp_flow_db_res_params *res,
378 uint16_t *tbl_type,
379 uint16_t *tbl_id)
380 {
381 *tbl_type = res->resource_type;
382 *tbl_id = res->resource_sub_type;
383 }
384
385 static int32_t
ulp_mapper_cache_entry_free(struct bnxt_ulp_context * ulp,struct tf * tfp,struct ulp_flow_db_res_params * res)386 ulp_mapper_cache_entry_free(struct bnxt_ulp_context *ulp,
387 struct tf *tfp,
388 struct ulp_flow_db_res_params *res)
389 {
390 struct bnxt_ulp_mapper_cache_entry *cache_entry;
391 struct tf_free_identifier_parms ident_parms;
392 struct tf_free_tcam_entry_parms tcam_parms;
393 uint16_t table_id, table_type;
394 int32_t rc, trc, i;
395
396 /*
397 * The table id, used for cache, and table_type, used for tcam, are
398 * both encoded within the resource. We must first extract them to
399 * formulate the args for tf calls.
400 */
401 ulp_mapper_cache_res_type_get(res, &table_type, &table_id);
402 cache_entry = ulp_mapper_cache_entry_get(ulp, table_id,
403 (uint16_t)res->resource_hndl);
404 if (!cache_entry || !cache_entry->ref_count) {
405 BNXT_TF_DBG(ERR, "Cache entry (%d:%d) not valid on free.\n",
406 table_id, (uint16_t)res->resource_hndl);
407 return -EINVAL;
408 }
409
410 /*
411 * See if we need to delete the entry. The tcam and identifiers are all
412 * tracked by the cached entries reference count. All are deleted when
413 * the reference count hit zero.
414 */
415 cache_entry->ref_count--;
416 if (cache_entry->ref_count)
417 return 0;
418
419 /*
420 * Need to delete the tcam entry and the allocated identifiers.
421 * In the event of a failure, need to try to delete the remaining
422 * resources before returning error.
423 */
424 tcam_parms.dir = res->direction;
425 tcam_parms.tcam_tbl_type = table_type;
426 tcam_parms.idx = cache_entry->tcam_idx;
427 rc = tf_free_tcam_entry(tfp, &tcam_parms);
428 if (rc)
429 BNXT_TF_DBG(ERR, "Failed to free tcam [%d][%s][0x%04x] rc=%d\n",
430 table_type,
431 (res->direction == TF_DIR_RX) ? "RX" : "TX",
432 tcam_parms.idx, rc);
433
434 /*
435 * Free the identifiers associated with the tcam entry. Entries with
436 * negative one are considered uninitialized.
437 */
438 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++) {
439 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
440 continue;
441
442 ident_parms.dir = res->direction;
443 ident_parms.ident_type = cache_entry->ident_types[i];
444 ident_parms.id = cache_entry->idents[i];
445 trc = tf_free_identifier(tfp, &ident_parms);
446 if (trc) {
447 BNXT_TF_DBG(ERR, "Failed to free identifier "
448 "[%d][%s][0x%04x] rc=%d\n",
449 ident_parms.ident_type,
450 (res->direction == TF_DIR_RX) ? "RX" : "TX",
451 ident_parms.id, trc);
452 rc = trc;
453 }
454 }
455
456 return rc;
457 }
458
459 static inline int32_t
ulp_mapper_tcam_entry_free(struct bnxt_ulp_context * ulp __rte_unused,struct tf * tfp,struct ulp_flow_db_res_params * res)460 ulp_mapper_tcam_entry_free(struct bnxt_ulp_context *ulp __rte_unused,
461 struct tf *tfp,
462 struct ulp_flow_db_res_params *res)
463 {
464 struct tf_free_tcam_entry_parms fparms = {
465 .dir = res->direction,
466 .tcam_tbl_type = res->resource_type,
467 .idx = (uint16_t)res->resource_hndl
468 };
469
470 return tf_free_tcam_entry(tfp, &fparms);
471 }
472
473 static inline int32_t
ulp_mapper_index_entry_free(struct bnxt_ulp_context * ulp,struct tf * tfp,struct ulp_flow_db_res_params * res)474 ulp_mapper_index_entry_free(struct bnxt_ulp_context *ulp,
475 struct tf *tfp,
476 struct ulp_flow_db_res_params *res)
477 {
478 struct tf_free_tbl_entry_parms fparms = {
479 .dir = res->direction,
480 .type = res->resource_type,
481 .idx = (uint32_t)res->resource_hndl
482 };
483
484 /*
485 * Just get the table scope, it will be ignored if not necessary
486 * by the tf_free_tbl_entry
487 */
488 (void)bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
489
490 return tf_free_tbl_entry(tfp, &fparms);
491 }
492
493 static inline int32_t
ulp_mapper_em_entry_free(struct bnxt_ulp_context * ulp,struct tf * tfp,struct ulp_flow_db_res_params * res)494 ulp_mapper_em_entry_free(struct bnxt_ulp_context *ulp,
495 struct tf *tfp,
496 struct ulp_flow_db_res_params *res)
497 {
498 struct tf_delete_em_entry_parms fparms = { 0 };
499 int32_t rc;
500
501 fparms.dir = res->direction;
502 if (res->resource_func == BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE)
503 fparms.mem = TF_MEM_EXTERNAL;
504 else
505 fparms.mem = TF_MEM_INTERNAL;
506 fparms.flow_handle = res->resource_hndl;
507
508 rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp, &fparms.tbl_scope_id);
509 if (rc) {
510 BNXT_TF_DBG(ERR, "Failed to get table scope\n");
511 return -EINVAL;
512 }
513
514 return tf_delete_em_entry(tfp, &fparms);
515 }
516
517 static inline int32_t
ulp_mapper_ident_free(struct bnxt_ulp_context * ulp __rte_unused,struct tf * tfp,struct ulp_flow_db_res_params * res)518 ulp_mapper_ident_free(struct bnxt_ulp_context *ulp __rte_unused,
519 struct tf *tfp,
520 struct ulp_flow_db_res_params *res)
521 {
522 struct tf_free_identifier_parms fparms = {
523 .dir = res->direction,
524 .ident_type = res->resource_type,
525 .id = (uint16_t)res->resource_hndl
526 };
527
528 return tf_free_identifier(tfp, &fparms);
529 }
530
531 static inline int32_t
ulp_mapper_mark_free(struct bnxt_ulp_context * ulp,struct ulp_flow_db_res_params * res)532 ulp_mapper_mark_free(struct bnxt_ulp_context *ulp,
533 struct ulp_flow_db_res_params *res)
534 {
535 return ulp_mark_db_mark_del(ulp,
536 res->resource_type,
537 res->resource_hndl);
538 }
539
540
541 static inline int32_t
ulp_mapper_parent_flow_free(struct bnxt_ulp_context * ulp,uint32_t parent_fid,struct ulp_flow_db_res_params * res)542 ulp_mapper_parent_flow_free(struct bnxt_ulp_context *ulp,
543 uint32_t parent_fid,
544 struct ulp_flow_db_res_params *res)
545 {
546 uint32_t idx, child_fid = 0, parent_idx;
547 struct bnxt_ulp_flow_db *flow_db;
548
549 parent_idx = (uint32_t)res->resource_hndl;
550
551 /* check the validity of the parent fid */
552 if (ulp_flow_db_parent_flow_idx_get(ulp, parent_fid, &idx) ||
553 idx != parent_idx) {
554 BNXT_TF_DBG(ERR, "invalid parent flow id %x\n", parent_fid);
555 return -EINVAL;
556 }
557
558 /* Clear all the child flows parent index */
559 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp);
560 while (!ulp_flow_db_parent_child_flow_next_entry_get(flow_db, idx,
561 &child_fid)) {
562 /* update the child flows resource handle */
563 if (ulp_flow_db_child_flow_reset(ulp, BNXT_ULP_FDB_TYPE_REGULAR,
564 child_fid)) {
565 BNXT_TF_DBG(ERR, "failed to reset child flow %x\n",
566 child_fid);
567 return -EINVAL;
568 }
569 }
570
571 /* free the parent entry in the parent table flow */
572 if (ulp_flow_db_parent_flow_free(ulp, parent_fid)) {
573 BNXT_TF_DBG(ERR, "failed to free parent flow %x\n", parent_fid);
574 return -EINVAL;
575 }
576 return 0;
577 }
578
579 static inline int32_t
ulp_mapper_child_flow_free(struct bnxt_ulp_context * ulp,uint32_t child_fid,struct ulp_flow_db_res_params * res)580 ulp_mapper_child_flow_free(struct bnxt_ulp_context *ulp,
581 uint32_t child_fid,
582 struct ulp_flow_db_res_params *res)
583 {
584 uint32_t parent_fid;
585
586 parent_fid = (uint32_t)res->resource_hndl;
587 if (!parent_fid)
588 return 0; /* Already freed - orphan child*/
589
590 /* reset the child flow bitset*/
591 if (ulp_flow_db_parent_child_flow_set(ulp, parent_fid, child_fid, 0)) {
592 BNXT_TF_DBG(ERR, "error in resetting child flow bitset %x:%x\n",
593 parent_fid, child_fid);
594 return -EINVAL;
595 }
596 return 0;
597 }
598
599 /*
600 * Process the identifier instruction and either store it in the flow database
601 * or return it in the val (if not NULL) on success. If val is NULL, the
602 * identifier is to be stored in the flow database.
603 */
604 static int32_t
ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl,struct bnxt_ulp_mapper_ident_info * ident,uint16_t * val)605 ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms,
606 struct bnxt_ulp_mapper_tbl_info *tbl,
607 struct bnxt_ulp_mapper_ident_info *ident,
608 uint16_t *val)
609 {
610 struct ulp_flow_db_res_params fid_parms;
611 uint64_t id = 0;
612 int32_t idx;
613 struct tf_alloc_identifier_parms iparms = { 0 };
614 struct tf_free_identifier_parms free_parms = { 0 };
615 struct tf *tfp;
616 int rc;
617
618 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
619 if (!tfp) {
620 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n");
621 return -EINVAL;
622 }
623
624 idx = ident->regfile_idx;
625
626 iparms.ident_type = ident->ident_type;
627 iparms.dir = tbl->direction;
628
629 rc = tf_alloc_identifier(tfp, &iparms);
630 if (rc) {
631 BNXT_TF_DBG(ERR, "Alloc ident %s:%d failed.\n",
632 (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
633 iparms.ident_type);
634 return rc;
635 }
636
637 id = (uint64_t)tfp_cpu_to_be_64(iparms.id);
638 if (!ulp_regfile_write(parms->regfile, idx, id)) {
639 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx);
640 rc = -EINVAL;
641 /* Need to free the identifier, so goto error */
642 goto error;
643 }
644
645 /* Link the resource to the flow in the flow db */
646 if (!val) {
647 memset(&fid_parms, 0, sizeof(fid_parms));
648 fid_parms.direction = tbl->direction;
649 fid_parms.resource_func = ident->resource_func;
650 fid_parms.resource_type = ident->ident_type;
651 fid_parms.resource_hndl = iparms.id;
652 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
653
654 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
655 parms->flow_type,
656 parms->fid,
657 &fid_parms);
658 if (rc) {
659 BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
660 rc);
661 /* Need to free the identifier, so goto error */
662 goto error;
663 }
664 } else {
665 *val = iparms.id;
666 }
667
668 return 0;
669
670 error:
671 /* Need to free the identifier */
672 free_parms.dir = tbl->direction;
673 free_parms.ident_type = ident->ident_type;
674 free_parms.id = iparms.id;
675
676 (void)tf_free_identifier(tfp, &free_parms);
677
678 BNXT_TF_DBG(ERR, "Ident process failed for %s:%s\n",
679 ident->description,
680 (tbl->direction == TF_DIR_RX) ? "RX" : "TX");
681 return rc;
682 }
683
684 /*
685 * Process the identifier instruction and extract it from result blob.
686 * Increment the identifier reference count and store it in the flow database.
687 */
688 static int32_t
ulp_mapper_ident_extract(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl,struct bnxt_ulp_mapper_ident_info * ident,struct ulp_blob * res_blob)689 ulp_mapper_ident_extract(struct bnxt_ulp_mapper_parms *parms,
690 struct bnxt_ulp_mapper_tbl_info *tbl,
691 struct bnxt_ulp_mapper_ident_info *ident,
692 struct ulp_blob *res_blob)
693 {
694 struct ulp_flow_db_res_params fid_parms;
695 uint64_t id = 0;
696 uint32_t idx = 0;
697 struct tf_search_identifier_parms sparms = { 0 };
698 struct tf_free_identifier_parms free_parms = { 0 };
699 struct tf *tfp;
700 int rc;
701
702 /* Get the tfp from ulp context */
703 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
704 if (!tfp) {
705 BNXT_TF_DBG(ERR, "Failed to get tf pointer\n");
706 return -EINVAL;
707 }
708
709 /* Extract the index from the result blob */
710 rc = ulp_blob_pull(res_blob, (uint8_t *)&idx, sizeof(idx),
711 ident->ident_bit_pos, ident->ident_bit_size);
712 if (rc) {
713 BNXT_TF_DBG(ERR, "Failed to extract identifier from blob\n");
714 return -EIO;
715 }
716
717 /* populate the search params and search identifier shadow table */
718 sparms.ident_type = ident->ident_type;
719 sparms.dir = tbl->direction;
720 /* convert the idx into cpu format */
721 sparms.search_id = tfp_be_to_cpu_32(idx);
722
723 /* Search identifier also increase the reference count */
724 rc = tf_search_identifier(tfp, &sparms);
725 if (rc) {
726 BNXT_TF_DBG(ERR, "Search ident %s:%x failed.\n",
727 tf_dir_2_str(sparms.dir),
728 sparms.search_id);
729 return rc;
730 }
731 BNXT_TF_DBG(INFO, "Search ident %s:%x.success.\n",
732 tf_dir_2_str(sparms.dir),
733 sparms.search_id);
734
735 /* Write it to the regfile */
736 id = (uint64_t)tfp_cpu_to_be_64(sparms.search_id);
737 if (!ulp_regfile_write(parms->regfile, ident->regfile_idx, id)) {
738 BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx);
739 rc = -EINVAL;
740 /* Need to free the identifier, so goto error */
741 goto error;
742 }
743
744 /* Link the resource to the flow in the flow db */
745 memset(&fid_parms, 0, sizeof(fid_parms));
746 fid_parms.direction = tbl->direction;
747 fid_parms.resource_func = ident->resource_func;
748 fid_parms.resource_type = ident->ident_type;
749 fid_parms.resource_hndl = sparms.search_id;
750 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
751 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
752 parms->flow_type,
753 parms->fid,
754 &fid_parms);
755 if (rc) {
756 BNXT_TF_DBG(ERR, "Failed to link res to flow rc = %d\n",
757 rc);
758 /* Need to free the identifier, so goto error */
759 goto error;
760 }
761
762 return 0;
763
764 error:
765 /* Need to free the identifier */
766 free_parms.dir = tbl->direction;
767 free_parms.ident_type = ident->ident_type;
768 free_parms.id = sparms.search_id;
769 (void)tf_free_identifier(tfp, &free_parms);
770 BNXT_TF_DBG(ERR, "Ident extract failed for %s:%s:%x\n",
771 ident->description,
772 tf_dir_2_str(tbl->direction), sparms.search_id);
773 return rc;
774 }
775
776 static int32_t
ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms * parms,enum tf_dir dir,struct bnxt_ulp_mapper_result_field_info * fld,struct ulp_blob * blob,const char * name)777 ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms,
778 enum tf_dir dir,
779 struct bnxt_ulp_mapper_result_field_info *fld,
780 struct ulp_blob *blob,
781 const char *name)
782 {
783 uint16_t idx, size_idx;
784 uint8_t *val = NULL;
785 uint64_t regval;
786 uint32_t val_size = 0, field_size = 0;
787 uint64_t act_bit;
788 uint8_t act_val[16];
789 uint64_t hdr_bit;
790
791 switch (fld->result_opcode) {
792 case BNXT_ULP_MAPPER_OPC_SET_TO_CONSTANT:
793 val = fld->result_operand;
794 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
795 BNXT_TF_DBG(ERR, "%s failed to add field\n", name);
796 return -EINVAL;
797 }
798 break;
799 case BNXT_ULP_MAPPER_OPC_SET_TO_ACT_PROP:
800 if (!ulp_operand_read(fld->result_operand,
801 (uint8_t *)&idx, sizeof(uint16_t))) {
802 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
803 return -EINVAL;
804 }
805 idx = tfp_be_to_cpu_16(idx);
806
807 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
808 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
809 return -EINVAL;
810 }
811 val = &parms->act_prop->act_details[idx];
812 field_size = ulp_mapper_act_prop_size_get(idx);
813 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) {
814 field_size = field_size -
815 ((fld->field_bit_size + 7) / 8);
816 val += field_size;
817 }
818 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
819 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
820 return -EINVAL;
821 }
822 break;
823 case BNXT_ULP_MAPPER_OPC_SET_TO_ACT_BIT:
824 if (!ulp_operand_read(fld->result_operand,
825 (uint8_t *)&act_bit, sizeof(uint64_t))) {
826 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
827 return -EINVAL;
828 }
829 act_bit = tfp_be_to_cpu_64(act_bit);
830 memset(act_val, 0, sizeof(act_val));
831 if (ULP_BITMAP_ISSET(parms->act_bitmap->bits, act_bit))
832 act_val[0] = 1;
833 if (fld->field_bit_size > ULP_BYTE_2_BITS(sizeof(act_val))) {
834 BNXT_TF_DBG(ERR, "%s field size is incorrect\n", name);
835 return -EINVAL;
836 }
837 if (!ulp_blob_push(blob, act_val, fld->field_bit_size)) {
838 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
839 return -EINVAL;
840 }
841 val = act_val;
842 break;
843 case BNXT_ULP_MAPPER_OPC_SET_TO_ENCAP_ACT_PROP_SZ:
844 if (!ulp_operand_read(fld->result_operand,
845 (uint8_t *)&idx, sizeof(uint16_t))) {
846 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
847 return -EINVAL;
848 }
849 idx = tfp_be_to_cpu_16(idx);
850
851 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
852 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n", name, idx);
853 return -EINVAL;
854 }
855 val = &parms->act_prop->act_details[idx];
856
857 /* get the size index next */
858 if (!ulp_operand_read(&fld->result_operand[sizeof(uint16_t)],
859 (uint8_t *)&size_idx, sizeof(uint16_t))) {
860 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
861 return -EINVAL;
862 }
863 size_idx = tfp_be_to_cpu_16(size_idx);
864
865 if (size_idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
866 BNXT_TF_DBG(ERR, "act_prop[%d] oob\n", size_idx);
867 return -EINVAL;
868 }
869 memcpy(&val_size, &parms->act_prop->act_details[size_idx],
870 sizeof(uint32_t));
871 val_size = tfp_be_to_cpu_32(val_size);
872 val_size = ULP_BYTE_2_BITS(val_size);
873 ulp_blob_push_encap(blob, val, val_size);
874 break;
875 case BNXT_ULP_MAPPER_OPC_SET_TO_REGFILE:
876 if (!ulp_operand_read(fld->result_operand,
877 (uint8_t *)&idx, sizeof(uint16_t))) {
878 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
879 return -EINVAL;
880 }
881
882 idx = tfp_be_to_cpu_16(idx);
883 /* Uninitialized regfile entries return 0 */
884 if (!ulp_regfile_read(parms->regfile, idx, ®val)) {
885 BNXT_TF_DBG(ERR, "%s regfile[%d] read oob\n",
886 name, idx);
887 return -EINVAL;
888 }
889
890 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size);
891 if (!val) {
892 BNXT_TF_DBG(ERR, "%s push field failed\n", name);
893 return -EINVAL;
894 }
895 break;
896 case BNXT_ULP_MAPPER_OPC_SET_TO_GLB_REGFILE:
897 if (!ulp_operand_read(fld->result_operand,
898 (uint8_t *)&idx,
899 sizeof(uint16_t))) {
900 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
901 return -EINVAL;
902 }
903 idx = tfp_be_to_cpu_16(idx);
904 if (ulp_mapper_glb_resource_read(parms->mapper_data,
905 dir,
906 idx, ®val)) {
907 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
908 name, idx);
909 return -EINVAL;
910 }
911 val = ulp_blob_push_64(blob, ®val, fld->field_bit_size);
912 if (!val) {
913 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
914 return -EINVAL;
915 }
916 break;
917 case BNXT_ULP_MAPPER_OPC_SET_TO_COMP_FIELD:
918 if (!ulp_operand_read(fld->result_operand,
919 (uint8_t *)&idx,
920 sizeof(uint16_t))) {
921 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
922 return -EINVAL;
923 }
924 idx = tfp_be_to_cpu_16(idx);
925 if (idx < BNXT_ULP_CF_IDX_LAST)
926 val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
927 fld->field_bit_size);
928 if (!val) {
929 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
930 return -EINVAL;
931 }
932 break;
933 case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO:
934 if (ulp_blob_pad_push(blob, fld->field_bit_size) < 0) {
935 BNXT_TF_DBG(ERR, "%s too large for blob\n", name);
936 return -EINVAL;
937 }
938
939 break;
940 case BNXT_ULP_MAPPER_OPC_IF_ACT_BIT_THEN_ACT_PROP_ELSE_CONST:
941 if (!ulp_operand_read(fld->result_operand,
942 (uint8_t *)&act_bit, sizeof(uint64_t))) {
943 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
944 return -EINVAL;
945 }
946 act_bit = tfp_be_to_cpu_64(act_bit);
947 if (ULP_BITMAP_ISSET(parms->act_bitmap->bits, act_bit)) {
948 /* Action bit is set so consider operand_true */
949 if (!ulp_operand_read(fld->result_operand_true,
950 (uint8_t *)&idx,
951 sizeof(uint16_t))) {
952 BNXT_TF_DBG(ERR, "%s operand read failed\n",
953 name);
954 return -EINVAL;
955 }
956 idx = tfp_be_to_cpu_16(idx);
957 if (idx >= BNXT_ULP_ACT_PROP_IDX_LAST) {
958 BNXT_TF_DBG(ERR, "%s act_prop[%d] oob\n",
959 name, idx);
960 return -EINVAL;
961 }
962 val = &parms->act_prop->act_details[idx];
963 field_size = ulp_mapper_act_prop_size_get(idx);
964 if (fld->field_bit_size < ULP_BYTE_2_BITS(field_size)) {
965 field_size = field_size -
966 ((fld->field_bit_size + 7) / 8);
967 val += field_size;
968 }
969 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
970 BNXT_TF_DBG(ERR, "%s push field failed\n",
971 name);
972 return -EINVAL;
973 }
974 } else {
975 /* action bit is not set, use the operand false */
976 val = fld->result_operand_false;
977 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
978 BNXT_TF_DBG(ERR, "%s failed to add field\n",
979 name);
980 return -EINVAL;
981 }
982 }
983 break;
984 case BNXT_ULP_MAPPER_OPC_IF_ACT_BIT_THEN_CONST_ELSE_CONST:
985 if (!ulp_operand_read(fld->result_operand,
986 (uint8_t *)&act_bit, sizeof(uint64_t))) {
987 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
988 return -EINVAL;
989 }
990 act_bit = tfp_be_to_cpu_64(act_bit);
991 if (ULP_BITMAP_ISSET(parms->act_bitmap->bits, act_bit)) {
992 /* Action bit is set so consider operand_true */
993 val = fld->result_operand_true;
994 } else {
995 /* action bit is not set, use the operand false */
996 val = fld->result_operand_false;
997 }
998 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
999 BNXT_TF_DBG(ERR, "%s failed to add field\n",
1000 name);
1001 return -EINVAL;
1002 }
1003 break;
1004 case BNXT_ULP_MAPPER_OPC_IF_COMP_FIELD_THEN_CF_ELSE_CF:
1005 if (!ulp_operand_read(fld->result_operand,
1006 (uint8_t *)&idx,
1007 sizeof(uint16_t))) {
1008 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
1009 return -EINVAL;
1010 }
1011 idx = tfp_be_to_cpu_16(idx);
1012 if (idx >= BNXT_ULP_CF_IDX_LAST) {
1013 BNXT_TF_DBG(ERR, "%s invalid index %u\n", name, idx);
1014 return -EINVAL;
1015 }
1016 /* check if the computed field is set */
1017 if (ULP_COMP_FLD_IDX_RD(parms, idx))
1018 val = fld->result_operand_true;
1019 else
1020 val = fld->result_operand_false;
1021
1022 /* read the appropriate computed field */
1023 if (!ulp_operand_read(val, (uint8_t *)&idx, sizeof(uint16_t))) {
1024 BNXT_TF_DBG(ERR, "%s val operand read failed\n", name);
1025 return -EINVAL;
1026 }
1027 idx = tfp_be_to_cpu_16(idx);
1028 if (idx >= BNXT_ULP_CF_IDX_LAST) {
1029 BNXT_TF_DBG(ERR, "%s invalid index %u\n", name, idx);
1030 return -EINVAL;
1031 }
1032 val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
1033 fld->field_bit_size);
1034 if (!val) {
1035 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
1036 return -EINVAL;
1037 }
1038 break;
1039 case BNXT_ULP_MAPPER_OPC_IF_HDR_BIT_THEN_CONST_ELSE_CONST:
1040 if (!ulp_operand_read(fld->result_operand,
1041 (uint8_t *)&hdr_bit, sizeof(uint64_t))) {
1042 BNXT_TF_DBG(ERR, "%s operand read failed\n", name);
1043 return -EINVAL;
1044 }
1045 hdr_bit = tfp_be_to_cpu_64(hdr_bit);
1046 if (ULP_BITMAP_ISSET(parms->hdr_bitmap->bits, hdr_bit)) {
1047 /* Header bit is set so consider operand_true */
1048 val = fld->result_operand_true;
1049 } else {
1050 /* Header bit is not set, use the operand false */
1051 val = fld->result_operand_false;
1052 }
1053 if (!ulp_blob_push(blob, val, fld->field_bit_size)) {
1054 BNXT_TF_DBG(ERR, "%s failed to add field\n",
1055 name);
1056 return -EINVAL;
1057 }
1058 break;
1059 default:
1060 BNXT_TF_DBG(ERR, "invalid result mapper opcode 0x%x\n",
1061 fld->result_opcode);
1062 return -EINVAL;
1063 }
1064 return 0;
1065 }
1066
1067 /* Function to alloc action record and set the table. */
1068 static int32_t
ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms * parms,enum tf_dir dir,struct bnxt_ulp_mapper_key_field_info * f,struct ulp_blob * blob,uint8_t is_key,const char * name)1069 ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms,
1070 enum tf_dir dir,
1071 struct bnxt_ulp_mapper_key_field_info *f,
1072 struct ulp_blob *blob,
1073 uint8_t is_key,
1074 const char *name)
1075 {
1076 uint64_t val64;
1077 uint16_t idx, bitlen;
1078 uint32_t opcode;
1079 uint8_t *operand;
1080 struct ulp_regfile *regfile = parms->regfile;
1081 uint8_t *val = NULL;
1082 struct bnxt_ulp_mapper_key_field_info *fld = f;
1083 uint32_t field_size;
1084
1085 if (is_key) {
1086 operand = fld->spec_operand;
1087 opcode = fld->spec_opcode;
1088 } else {
1089 operand = fld->mask_operand;
1090 opcode = fld->mask_opcode;
1091 }
1092
1093 bitlen = fld->field_bit_size;
1094
1095 switch (opcode) {
1096 case BNXT_ULP_MAPPER_OPC_SET_TO_CONSTANT:
1097 val = operand;
1098 if (!ulp_blob_push(blob, val, bitlen)) {
1099 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
1100 return -EINVAL;
1101 }
1102 break;
1103 case BNXT_ULP_MAPPER_OPC_SET_TO_ZERO:
1104 if (ulp_blob_pad_push(blob, bitlen) < 0) {
1105 BNXT_TF_DBG(ERR, "%s pad too large for blob\n", name);
1106 return -EINVAL;
1107 }
1108
1109 break;
1110 case BNXT_ULP_MAPPER_OPC_SET_TO_HDR_FIELD:
1111 if (!ulp_operand_read(operand, (uint8_t *)&idx,
1112 sizeof(uint16_t))) {
1113 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
1114 return -EINVAL;
1115 }
1116 idx = tfp_be_to_cpu_16(idx);
1117 if (is_key)
1118 val = parms->hdr_field[idx].spec;
1119 else
1120 val = parms->hdr_field[idx].mask;
1121
1122 /*
1123 * Need to account for how much data was pushed to the header
1124 * field vs how much is to be inserted in the key/mask.
1125 */
1126 field_size = parms->hdr_field[idx].size;
1127 if (bitlen < ULP_BYTE_2_BITS(field_size)) {
1128 field_size = field_size - ((bitlen + 7) / 8);
1129 val += field_size;
1130 }
1131
1132 if (!ulp_blob_push(blob, val, bitlen)) {
1133 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
1134 return -EINVAL;
1135 }
1136 break;
1137 case BNXT_ULP_MAPPER_OPC_SET_TO_COMP_FIELD:
1138 if (!ulp_operand_read(operand, (uint8_t *)&idx,
1139 sizeof(uint16_t))) {
1140 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
1141 return -EINVAL;
1142 }
1143 idx = tfp_be_to_cpu_16(idx);
1144 if (idx < BNXT_ULP_CF_IDX_LAST)
1145 val = ulp_blob_push_32(blob, &parms->comp_fld[idx],
1146 bitlen);
1147 if (!val) {
1148 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
1149 return -EINVAL;
1150 }
1151 break;
1152 case BNXT_ULP_MAPPER_OPC_SET_TO_REGFILE:
1153 if (!ulp_operand_read(operand, (uint8_t *)&idx,
1154 sizeof(uint16_t))) {
1155 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
1156 return -EINVAL;
1157 }
1158 idx = tfp_be_to_cpu_16(idx);
1159
1160 if (!ulp_regfile_read(regfile, idx, &val64)) {
1161 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
1162 name, idx);
1163 return -EINVAL;
1164 }
1165
1166 val = ulp_blob_push_64(blob, &val64, bitlen);
1167 if (!val) {
1168 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
1169 return -EINVAL;
1170 }
1171 break;
1172 case BNXT_ULP_MAPPER_OPC_SET_TO_GLB_REGFILE:
1173 if (!ulp_operand_read(operand, (uint8_t *)&idx,
1174 sizeof(uint16_t))) {
1175 BNXT_TF_DBG(ERR, "%s key operand read failed.\n", name);
1176 return -EINVAL;
1177 }
1178 idx = tfp_be_to_cpu_16(idx);
1179 if (ulp_mapper_glb_resource_read(parms->mapper_data,
1180 dir,
1181 idx, &val64)) {
1182 BNXT_TF_DBG(ERR, "%s regfile[%d] read failed.\n",
1183 name, idx);
1184 return -EINVAL;
1185 }
1186 val = ulp_blob_push_64(blob, &val64, bitlen);
1187 if (!val) {
1188 BNXT_TF_DBG(ERR, "%s push to key blob failed\n", name);
1189 return -EINVAL;
1190 }
1191 break;
1192 default:
1193 BNXT_TF_DBG(ERR, "invalid keymask mapper opcode 0x%x\n",
1194 opcode);
1195 return -EINVAL;
1196 break;
1197 }
1198
1199 return 0;
1200 }
1201
1202 static int32_t
ulp_mapper_mark_gfid_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl,uint64_t flow_id)1203 ulp_mapper_mark_gfid_process(struct bnxt_ulp_mapper_parms *parms,
1204 struct bnxt_ulp_mapper_tbl_info *tbl,
1205 uint64_t flow_id)
1206 {
1207 enum bnxt_ulp_mark_db_opcode mark_op = tbl->mark_db_opcode;
1208 struct ulp_flow_db_res_params fid_parms;
1209 uint32_t mark, gfid, mark_flag;
1210 int32_t rc = 0;
1211
1212 if (mark_op == BNXT_ULP_MARK_DB_OPCODE_NOP ||
1213 !(mark_op == BNXT_ULP_MARK_DB_OPCODE_SET_IF_MARK_ACTION &&
1214 ULP_BITMAP_ISSET(parms->act_bitmap->bits,
1215 BNXT_ULP_ACTION_BIT_MARK)))
1216 return rc; /* no need to perform gfid process */
1217
1218 /* Get the mark id details from action property */
1219 memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
1220 sizeof(mark));
1221 mark = tfp_be_to_cpu_32(mark);
1222
1223 TF_GET_GFID_FROM_FLOW_ID(flow_id, gfid);
1224 mark_flag = BNXT_ULP_MARK_GLOBAL_HW_FID;
1225 rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
1226 gfid, mark);
1227 if (rc) {
1228 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1229 return rc;
1230 }
1231 fid_parms.direction = tbl->direction;
1232 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
1233 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1234 fid_parms.resource_type = mark_flag;
1235 fid_parms.resource_hndl = gfid;
1236 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1237 parms->flow_type,
1238 parms->fid,
1239 &fid_parms);
1240 if (rc)
1241 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
1242 return rc;
1243 }
1244
1245 static int32_t
ulp_mapper_mark_act_ptr_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)1246 ulp_mapper_mark_act_ptr_process(struct bnxt_ulp_mapper_parms *parms,
1247 struct bnxt_ulp_mapper_tbl_info *tbl)
1248 {
1249 enum bnxt_ulp_mark_db_opcode mark_op = tbl->mark_db_opcode;
1250 struct ulp_flow_db_res_params fid_parms;
1251 uint32_t act_idx, mark, mark_flag;
1252 uint64_t val64;
1253 int32_t rc = 0;
1254
1255 if (mark_op == BNXT_ULP_MARK_DB_OPCODE_NOP ||
1256 !(mark_op == BNXT_ULP_MARK_DB_OPCODE_SET_IF_MARK_ACTION &&
1257 ULP_BITMAP_ISSET(parms->act_bitmap->bits,
1258 BNXT_ULP_ACTION_BIT_MARK)))
1259 return rc; /* no need to perform mark action process */
1260
1261 /* Get the mark id details from action property */
1262 memcpy(&mark, &parms->act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
1263 sizeof(mark));
1264 mark = tfp_be_to_cpu_32(mark);
1265
1266 if (!ulp_regfile_read(parms->regfile,
1267 BNXT_ULP_REGFILE_INDEX_MAIN_ACTION_PTR,
1268 &val64)) {
1269 BNXT_TF_DBG(ERR, "read action ptr main failed\n");
1270 return -EINVAL;
1271 }
1272 act_idx = tfp_be_to_cpu_64(val64);
1273 mark_flag = BNXT_ULP_MARK_LOCAL_HW_FID;
1274 rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
1275 act_idx, mark);
1276 if (rc) {
1277 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1278 return rc;
1279 }
1280 fid_parms.direction = tbl->direction;
1281 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
1282 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1283 fid_parms.resource_type = mark_flag;
1284 fid_parms.resource_hndl = act_idx;
1285 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1286 parms->flow_type,
1287 parms->fid,
1288 &fid_parms);
1289 if (rc)
1290 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
1291 return rc;
1292 }
1293
1294 static int32_t
ulp_mapper_mark_vfr_idx_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)1295 ulp_mapper_mark_vfr_idx_process(struct bnxt_ulp_mapper_parms *parms,
1296 struct bnxt_ulp_mapper_tbl_info *tbl)
1297 {
1298 struct ulp_flow_db_res_params fid_parms;
1299 uint32_t act_idx, mark, mark_flag;
1300 uint64_t val64;
1301 enum bnxt_ulp_mark_db_opcode mark_op = tbl->mark_db_opcode;
1302 int32_t rc = 0;
1303
1304 if (mark_op == BNXT_ULP_MARK_DB_OPCODE_NOP ||
1305 mark_op == BNXT_ULP_MARK_DB_OPCODE_SET_IF_MARK_ACTION)
1306 return rc; /* no need to perform mark action process */
1307
1308 /* Get the mark id details from the computed field of dev port id */
1309 mark = ULP_COMP_FLD_IDX_RD(parms, BNXT_ULP_CF_IDX_DEV_PORT_ID);
1310
1311 /* Get the main action pointer */
1312 if (!ulp_regfile_read(parms->regfile,
1313 BNXT_ULP_REGFILE_INDEX_MAIN_ACTION_PTR,
1314 &val64)) {
1315 BNXT_TF_DBG(ERR, "read action ptr main failed\n");
1316 return -EINVAL;
1317 }
1318 act_idx = tfp_be_to_cpu_64(val64);
1319
1320 /* Set the mark flag to local fid and vfr flag */
1321 mark_flag = BNXT_ULP_MARK_LOCAL_HW_FID | BNXT_ULP_MARK_VFR_ID;
1322
1323 rc = ulp_mark_db_mark_add(parms->ulp_ctx, mark_flag,
1324 act_idx, mark);
1325 if (rc) {
1326 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1327 return rc;
1328 }
1329 fid_parms.direction = tbl->direction;
1330 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_HW_FID;
1331 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1332 fid_parms.resource_type = mark_flag;
1333 fid_parms.resource_hndl = act_idx;
1334 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1335 parms->flow_type,
1336 parms->fid,
1337 &fid_parms);
1338 if (rc)
1339 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n", rc);
1340 return rc;
1341 }
1342
1343 /*
1344 * Tcam table - create the result blob.
1345 * data [out] - the result blob data
1346 */
1347 static int32_t
ulp_mapper_tcam_tbl_result_create(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl,struct ulp_blob * data)1348 ulp_mapper_tcam_tbl_result_create(struct bnxt_ulp_mapper_parms *parms,
1349 struct bnxt_ulp_mapper_tbl_info *tbl,
1350 struct ulp_blob *data)
1351 {
1352 struct bnxt_ulp_mapper_result_field_info *dflds;
1353 uint32_t num_dflds;
1354 uint32_t encap_flds = 0;
1355 uint32_t i;
1356 int32_t rc = 0;
1357
1358 /* Create the result data blob */
1359 dflds = ulp_mapper_result_fields_get(parms, tbl, &num_dflds,
1360 &encap_flds);
1361 if (!dflds || !num_dflds || encap_flds) {
1362 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1363 return -EINVAL;
1364 }
1365
1366 for (i = 0; i < num_dflds; i++) {
1367 rc = ulp_mapper_result_field_process(parms,
1368 tbl->direction,
1369 &dflds[i],
1370 data,
1371 "TCAM Result");
1372 if (rc) {
1373 BNXT_TF_DBG(ERR, "Failed to set data fields\n");
1374 return -EINVAL;
1375 }
1376 }
1377 return rc;
1378 }
1379
1380 /* Tcam table scan the identifier list and allocate each identifier */
1381 static int32_t
ulp_mapper_tcam_tbl_scan_ident_alloc(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)1382 ulp_mapper_tcam_tbl_scan_ident_alloc(struct bnxt_ulp_mapper_parms *parms,
1383 struct bnxt_ulp_mapper_tbl_info *tbl)
1384 {
1385 struct bnxt_ulp_mapper_ident_info *idents;
1386 uint32_t num_idents;
1387 uint32_t i;
1388
1389 /*
1390 * Since the cache entry is responsible for allocating
1391 * identifiers when in use, allocate the identifiers only
1392 * during normal processing.
1393 */
1394 if (parms->tcam_tbl_opc ==
1395 BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1396 idents = ulp_mapper_ident_fields_get(parms, tbl, &num_idents);
1397
1398 for (i = 0; i < num_idents; i++) {
1399 if (ulp_mapper_ident_process(parms, tbl,
1400 &idents[i], NULL))
1401 return -EINVAL;
1402 }
1403 }
1404 return 0;
1405 }
1406
1407 /*
1408 * Tcam table scan the identifier list and extract the identifier from
1409 * the result blob.
1410 */
1411 static int32_t
ulp_mapper_tcam_tbl_scan_ident_extract(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl,struct ulp_blob * data)1412 ulp_mapper_tcam_tbl_scan_ident_extract(struct bnxt_ulp_mapper_parms *parms,
1413 struct bnxt_ulp_mapper_tbl_info *tbl,
1414 struct ulp_blob *data)
1415 {
1416 struct bnxt_ulp_mapper_ident_info *idents;
1417 uint32_t num_idents = 0, i;
1418 int32_t rc = 0;
1419
1420 /*
1421 * Extract the listed identifiers from the result field,
1422 * no need to allocate them.
1423 */
1424 idents = ulp_mapper_ident_fields_get(parms, tbl, &num_idents);
1425 for (i = 0; i < num_idents; i++) {
1426 rc = ulp_mapper_ident_extract(parms, tbl, &idents[i], data);
1427 if (rc) {
1428 BNXT_TF_DBG(ERR, "Error in identifier extraction\n");
1429 return rc;
1430 }
1431 }
1432 return rc;
1433 }
1434
1435 /* Internal function to write the tcam entry */
1436 static int32_t
ulp_mapper_tcam_tbl_entry_write(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl,struct ulp_blob * key,struct ulp_blob * mask,struct ulp_blob * data,uint16_t idx)1437 ulp_mapper_tcam_tbl_entry_write(struct bnxt_ulp_mapper_parms *parms,
1438 struct bnxt_ulp_mapper_tbl_info *tbl,
1439 struct ulp_blob *key,
1440 struct ulp_blob *mask,
1441 struct ulp_blob *data,
1442 uint16_t idx)
1443 {
1444 struct tf_set_tcam_entry_parms sparms = { 0 };
1445 struct tf *tfp;
1446 uint16_t tmplen;
1447 int32_t rc;
1448
1449 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1450 if (!tfp) {
1451 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
1452 return -EINVAL;
1453 }
1454
1455 sparms.dir = tbl->direction;
1456 sparms.tcam_tbl_type = tbl->resource_type;
1457 sparms.idx = idx;
1458 /* Already verified the key/mask lengths */
1459 sparms.key = ulp_blob_data_get(key, &tmplen);
1460 sparms.mask = ulp_blob_data_get(mask, &tmplen);
1461 sparms.key_sz_in_bits = tbl->key_bit_size;
1462 sparms.result = ulp_blob_data_get(data, &tmplen);
1463
1464 if (tbl->result_bit_size != tmplen) {
1465 BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n",
1466 tmplen, tbl->result_bit_size);
1467 return -EINVAL;
1468 }
1469 sparms.result_sz_in_bits = tbl->result_bit_size;
1470 if (tf_set_tcam_entry(tfp, &sparms)) {
1471 BNXT_TF_DBG(ERR, "tcam[%s][%s][%x] write failed.\n",
1472 tf_tcam_tbl_2_str(sparms.tcam_tbl_type),
1473 tf_dir_2_str(sparms.dir), sparms.idx);
1474 return -EIO;
1475 }
1476 BNXT_TF_DBG(INFO, "tcam[%s][%s][%x] write success.\n",
1477 tf_tcam_tbl_2_str(sparms.tcam_tbl_type),
1478 tf_dir_2_str(sparms.dir), sparms.idx);
1479
1480 /* Update cache with TCAM index if the was cache allocated. */
1481 if (parms->tcam_tbl_opc ==
1482 BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC) {
1483 if (!parms->cache_ptr) {
1484 BNXT_TF_DBG(ERR, "Unable to update cache");
1485 return -EINVAL;
1486 }
1487 parms->cache_ptr->tcam_idx = idx;
1488 }
1489
1490 /* Mark action */
1491 rc = ulp_mapper_mark_act_ptr_process(parms, tbl);
1492 if (rc) {
1493 BNXT_TF_DBG(ERR, "failed mark action processing\n");
1494 return rc;
1495 }
1496
1497 return rc;
1498 }
1499
1500 #define BNXT_ULP_WC_TCAM_SLICE_SIZE 80
1501 /* internal function to post process the key/mask blobs for wildcard tcam tbl */
ulp_mapper_wc_tcam_tbl_post_process(struct ulp_blob * blob,uint32_t len)1502 static void ulp_mapper_wc_tcam_tbl_post_process(struct ulp_blob *blob,
1503 uint32_t len)
1504 {
1505 uint8_t mode[2] = {0x0, 0x0};
1506 uint32_t mode_len = len / BNXT_ULP_WC_TCAM_SLICE_SIZE;
1507 uint32_t size, idx;
1508
1509 /* Add the mode bits to the key and mask*/
1510 if (mode_len == 2)
1511 mode[1] = 2;
1512 else if (mode_len > 2)
1513 mode[1] = 3;
1514
1515 size = BNXT_ULP_WC_TCAM_SLICE_SIZE + ULP_BYTE_2_BITS(sizeof(mode));
1516 for (idx = 0; idx < mode_len; idx++)
1517 ulp_blob_insert(blob, (size * idx), mode,
1518 ULP_BYTE_2_BITS(sizeof(mode)));
1519 ulp_blob_perform_64B_word_swap(blob);
1520 ulp_blob_perform_64B_byte_swap(blob);
1521 }
1522
1523 static int32_t
ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)1524 ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1525 struct bnxt_ulp_mapper_tbl_info *tbl)
1526 {
1527 struct bnxt_ulp_mapper_key_field_info *kflds;
1528 struct ulp_blob key, mask, data, update_data;
1529 uint32_t i, num_kflds;
1530 struct tf *tfp;
1531 int32_t rc, trc;
1532 struct tf_alloc_tcam_entry_parms aparms = { 0 };
1533 struct tf_search_tcam_entry_parms searchparms = { 0 };
1534 struct ulp_flow_db_res_params fid_parms = { 0 };
1535 struct tf_free_tcam_entry_parms free_parms = { 0 };
1536 enum bnxt_ulp_search_before_alloc search_flag;
1537 uint32_t hit = 0;
1538 uint16_t tmplen = 0;
1539 uint16_t idx;
1540
1541 /* Skip this if was handled by the cache. */
1542 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP) {
1543 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1544 return 0;
1545 }
1546
1547 tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1548 if (!tfp) {
1549 BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
1550 return -EINVAL;
1551 }
1552
1553 kflds = ulp_mapper_key_fields_get(parms, tbl, &num_kflds);
1554 if (!kflds || !num_kflds) {
1555 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1556 return -EINVAL;
1557 }
1558
1559 if (!ulp_blob_init(&key, tbl->blob_key_bit_size,
1560 parms->device_params->byte_order) ||
1561 !ulp_blob_init(&mask, tbl->blob_key_bit_size,
1562 parms->device_params->byte_order) ||
1563 !ulp_blob_init(&data, tbl->result_bit_size,
1564 parms->device_params->byte_order) ||
1565 !ulp_blob_init(&update_data, tbl->result_bit_size,
1566 parms->device_params->byte_order)) {
1567 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1568 return -EINVAL;
1569 }
1570
1571 if (tbl->resource_type == TF_TCAM_TBL_TYPE_WC_TCAM) {
1572 key.byte_order = BNXT_ULP_BYTE_ORDER_BE;
1573 mask.byte_order = BNXT_ULP_BYTE_ORDER_BE;
1574 }
1575
1576 /* create the key/mask */
1577 /*
1578 * NOTE: The WC table will require some kind of flag to handle the
1579 * mode bits within the key/mask
1580 */
1581 for (i = 0; i < num_kflds; i++) {
1582 /* Setup the key */
1583 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1584 &kflds[i],
1585 &key, 1, "TCAM Key");
1586 if (rc) {
1587 BNXT_TF_DBG(ERR, "Key field set failed.\n");
1588 return rc;
1589 }
1590
1591 /* Setup the mask */
1592 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1593 &kflds[i],
1594 &mask, 0, "TCAM Mask");
1595 if (rc) {
1596 BNXT_TF_DBG(ERR, "Mask field set failed.\n");
1597 return rc;
1598 }
1599 }
1600
1601 if (tbl->resource_type == TF_TCAM_TBL_TYPE_WC_TCAM) {
1602 ulp_mapper_wc_tcam_tbl_post_process(&key, tbl->key_bit_size);
1603 ulp_mapper_wc_tcam_tbl_post_process(&mask, tbl->key_bit_size);
1604 }
1605
1606 if (tbl->srch_b4_alloc == BNXT_ULP_SEARCH_BEFORE_ALLOC_NO) {
1607 /*
1608 * No search for re-use is requested, so simply allocate the
1609 * tcam index.
1610 */
1611 aparms.dir = tbl->direction;
1612 aparms.tcam_tbl_type = tbl->resource_type;
1613 aparms.search_enable = tbl->srch_b4_alloc;
1614 aparms.key = ulp_blob_data_get(&key, &tmplen);
1615 aparms.key_sz_in_bits = tmplen;
1616 if (tbl->blob_key_bit_size != tmplen) {
1617 BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n",
1618 tmplen, tbl->blob_key_bit_size);
1619 return -EINVAL;
1620 }
1621
1622 aparms.mask = ulp_blob_data_get(&mask, &tmplen);
1623 if (tbl->blob_key_bit_size != tmplen) {
1624 BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n",
1625 tmplen, tbl->blob_key_bit_size);
1626 return -EINVAL;
1627 }
1628
1629 aparms.priority = tbl->priority;
1630
1631 /*
1632 * All failures after this succeeds require the entry to be
1633 * freed. cannot return directly on failure, but needs to goto
1634 * error.
1635 */
1636 rc = tf_alloc_tcam_entry(tfp, &aparms);
1637 if (rc) {
1638 BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
1639 return rc;
1640 }
1641 idx = aparms.idx;
1642 hit = aparms.hit;
1643 } else {
1644 /*
1645 * Searching before allocation to see if we already have an
1646 * entry. This allows re-use of a constrained resource.
1647 */
1648 searchparms.dir = tbl->direction;
1649 searchparms.tcam_tbl_type = tbl->resource_type;
1650 searchparms.key = ulp_blob_data_get(&key, &tmplen);
1651 searchparms.key_sz_in_bits = tbl->key_bit_size;
1652 searchparms.mask = ulp_blob_data_get(&mask, &tmplen);
1653 searchparms.priority = tbl->priority;
1654 searchparms.alloc = 1;
1655 searchparms.result = ulp_blob_data_get(&data, &tmplen);
1656 searchparms.result_sz_in_bits = tbl->result_bit_size;
1657
1658 rc = tf_search_tcam_entry(tfp, &searchparms);
1659 if (rc) {
1660 BNXT_TF_DBG(ERR, "tcam search failed rc=%d\n", rc);
1661 return rc;
1662 }
1663
1664 /* Successful search, check the result */
1665 if (searchparms.search_status == REJECT) {
1666 BNXT_TF_DBG(ERR, "tcam alloc rejected\n");
1667 return -ENOMEM;
1668 }
1669 idx = searchparms.idx;
1670 hit = searchparms.hit;
1671 }
1672
1673 /* if it is miss then it is same as no search before alloc */
1674 if (!hit)
1675 search_flag = BNXT_ULP_SEARCH_BEFORE_ALLOC_NO;
1676 else
1677 search_flag = tbl->srch_b4_alloc;
1678
1679 switch (search_flag) {
1680 case BNXT_ULP_SEARCH_BEFORE_ALLOC_NO:
1681 /*Scan identifier list, allocate identifier and update regfile*/
1682 rc = ulp_mapper_tcam_tbl_scan_ident_alloc(parms, tbl);
1683 /* Create the result blob */
1684 if (!rc)
1685 rc = ulp_mapper_tcam_tbl_result_create(parms, tbl,
1686 &data);
1687 /* write the tcam entry */
1688 if (!rc)
1689 rc = ulp_mapper_tcam_tbl_entry_write(parms, tbl, &key,
1690 &mask, &data, idx);
1691 break;
1692 case BNXT_ULP_SEARCH_BEFORE_ALLOC_SEARCH_IF_HIT_SKIP:
1693 /*Scan identifier list, extract identifier and update regfile*/
1694 rc = ulp_mapper_tcam_tbl_scan_ident_extract(parms, tbl, &data);
1695 break;
1696 case BNXT_ULP_SEARCH_BEFORE_ALLOC_SEARCH_IF_HIT_UPDATE:
1697 /*Scan identifier list, extract identifier and update regfile*/
1698 rc = ulp_mapper_tcam_tbl_scan_ident_extract(parms, tbl, &data);
1699 /* Create the result blob */
1700 if (!rc)
1701 rc = ulp_mapper_tcam_tbl_result_create(parms, tbl,
1702 &update_data);
1703 /* Update/overwrite the tcam entry */
1704 if (!rc)
1705 rc = ulp_mapper_tcam_tbl_entry_write(parms, tbl, &key,
1706 &mask,
1707 &update_data, idx);
1708 break;
1709 default:
1710 BNXT_TF_DBG(ERR, "invalid search opcode\n");
1711 rc = -EINVAL;
1712 break;
1713 }
1714 if (rc)
1715 goto error;
1716
1717 /*
1718 * Only link the entry to the flow db in the event that cache was not
1719 * used.
1720 */
1721 if (parms->tcam_tbl_opc == BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL) {
1722 fid_parms.direction = tbl->direction;
1723 fid_parms.resource_func = tbl->resource_func;
1724 fid_parms.resource_type = tbl->resource_type;
1725 fid_parms.critical_resource = tbl->critical_resource;
1726 fid_parms.resource_hndl = idx;
1727 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1728 parms->flow_type,
1729 parms->fid,
1730 &fid_parms);
1731 if (rc) {
1732 BNXT_TF_DBG(ERR,
1733 "Failed to link resource to flow rc = %d\n",
1734 rc);
1735 /* Need to free the identifier, so goto error */
1736 goto error;
1737 }
1738 } else {
1739 /*
1740 * Reset the tcam table opcode to normal in case the next tcam
1741 * entry does not use cache.
1742 */
1743 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1744 parms->cache_ptr = NULL;
1745 }
1746
1747 return 0;
1748 error:
1749 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
1750 free_parms.dir = tbl->direction;
1751 free_parms.tcam_tbl_type = tbl->resource_type;
1752 free_parms.idx = idx;
1753 trc = tf_free_tcam_entry(tfp, &free_parms);
1754 if (trc)
1755 BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n",
1756 tbl->resource_type, tbl->direction, idx);
1757
1758 return rc;
1759 }
1760
1761 static int32_t
ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)1762 ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1763 struct bnxt_ulp_mapper_tbl_info *tbl)
1764 {
1765 struct bnxt_ulp_mapper_key_field_info *kflds;
1766 struct bnxt_ulp_mapper_result_field_info *dflds;
1767 struct ulp_blob key, data;
1768 uint32_t i, num_kflds, num_dflds;
1769 uint16_t tmplen;
1770 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1771 struct ulp_flow_db_res_params fid_parms = { 0 };
1772 struct tf_insert_em_entry_parms iparms = { 0 };
1773 struct tf_delete_em_entry_parms free_parms = { 0 };
1774 enum bnxt_ulp_flow_mem_type mtype;
1775 int32_t trc;
1776 int32_t rc = 0;
1777 uint32_t encap_flds = 0;
1778
1779 rc = bnxt_ulp_cntxt_mem_type_get(parms->ulp_ctx, &mtype);
1780 if (rc) {
1781 BNXT_TF_DBG(ERR, "Failed to get the mem type for EM\n");
1782 return -EINVAL;
1783 }
1784
1785 kflds = ulp_mapper_key_fields_get(parms, tbl, &num_kflds);
1786 if (!kflds || !num_kflds) {
1787 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
1788 return -EINVAL;
1789 }
1790
1791 /* Initialize the key/result blobs */
1792 if (!ulp_blob_init(&key, tbl->blob_key_bit_size,
1793 parms->device_params->byte_order) ||
1794 !ulp_blob_init(&data, tbl->result_bit_size,
1795 parms->device_params->byte_order)) {
1796 BNXT_TF_DBG(ERR, "blob inits failed.\n");
1797 return -EINVAL;
1798 }
1799
1800 /* create the key */
1801 for (i = 0; i < num_kflds; i++) {
1802 /* Setup the key */
1803 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
1804 &kflds[i],
1805 &key, 1, "EM Key");
1806 if (rc) {
1807 BNXT_TF_DBG(ERR, "Key field set failed.\n");
1808 return rc;
1809 }
1810 }
1811
1812 /*
1813 * TBD: Normally should process identifiers in case of using recycle or
1814 * loopback. Not supporting recycle for now.
1815 */
1816
1817 /* Create the result data blob */
1818 dflds = ulp_mapper_result_fields_get(parms, tbl,
1819 &num_dflds, &encap_flds);
1820 if (!dflds || !num_dflds || encap_flds) {
1821 BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
1822 return -EINVAL;
1823 }
1824
1825 for (i = 0; i < num_dflds; i++) {
1826 struct bnxt_ulp_mapper_result_field_info *fld;
1827
1828 fld = &dflds[i];
1829
1830 rc = ulp_mapper_result_field_process(parms,
1831 tbl->direction,
1832 fld,
1833 &data,
1834 "EM Result");
1835 if (rc) {
1836 BNXT_TF_DBG(ERR, "Failed to set data fields.\n");
1837 return rc;
1838 }
1839 }
1840
1841 /* do the transpose for the internal EM keys */
1842 if (tbl->resource_func == BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE)
1843 ulp_blob_perform_byte_reverse(&key);
1844
1845 rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
1846 &iparms.tbl_scope_id);
1847 if (rc) {
1848 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1849 return rc;
1850 }
1851
1852 /*
1853 * NOTE: the actual blob size will differ from the size in the tbl
1854 * entry due to the padding.
1855 */
1856 iparms.dup_check = 0;
1857 iparms.dir = tbl->direction;
1858 iparms.mem = tbl->resource_type;
1859 iparms.key = ulp_blob_data_get(&key, &tmplen);
1860 iparms.key_sz_in_bits = tbl->key_bit_size;
1861 iparms.em_record = ulp_blob_data_get(&data, &tmplen);
1862 iparms.em_record_sz_in_bits = tbl->result_bit_size;
1863
1864 rc = tf_insert_em_entry(tfp, &iparms);
1865 if (rc) {
1866 BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
1867 return rc;
1868 }
1869
1870 /* Mark action process */
1871 if (mtype == BNXT_ULP_FLOW_MEM_TYPE_EXT &&
1872 tbl->resource_type == TF_MEM_EXTERNAL)
1873 rc = ulp_mapper_mark_gfid_process(parms, tbl, iparms.flow_id);
1874 else if (mtype == BNXT_ULP_FLOW_MEM_TYPE_INT &&
1875 tbl->resource_type == TF_MEM_INTERNAL)
1876 rc = ulp_mapper_mark_act_ptr_process(parms, tbl);
1877 if (rc) {
1878 BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
1879 goto error;
1880 }
1881
1882 /* Link the EM resource to the flow in the flow db */
1883 memset(&fid_parms, 0, sizeof(fid_parms));
1884 fid_parms.direction = tbl->direction;
1885 fid_parms.resource_func = tbl->resource_func;
1886 fid_parms.resource_type = tbl->resource_type;
1887 fid_parms.critical_resource = tbl->critical_resource;
1888 fid_parms.resource_hndl = iparms.flow_handle;
1889
1890 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1891 parms->flow_type,
1892 parms->fid,
1893 &fid_parms);
1894 if (rc) {
1895 BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
1896 rc);
1897 /* Need to free the identifier, so goto error */
1898 goto error;
1899 }
1900
1901 return 0;
1902 error:
1903 free_parms.dir = iparms.dir;
1904 free_parms.mem = iparms.mem;
1905 free_parms.tbl_scope_id = iparms.tbl_scope_id;
1906 free_parms.flow_handle = iparms.flow_handle;
1907
1908 trc = tf_delete_em_entry(tfp, &free_parms);
1909 if (trc)
1910 BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
1911
1912 return rc;
1913 }
1914
1915 static int32_t
ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)1916 ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
1917 struct bnxt_ulp_mapper_tbl_info *tbl)
1918 {
1919 struct bnxt_ulp_mapper_result_field_info *flds;
1920 struct ulp_flow_db_res_params fid_parms;
1921 struct ulp_blob data;
1922 uint64_t idx = 0;
1923 uint16_t tmplen;
1924 uint32_t i, num_flds, index, hit;
1925 int32_t rc = 0, trc = 0;
1926 struct tf_alloc_tbl_entry_parms aparms = { 0 };
1927 struct tf_search_tbl_entry_parms srchparms = { 0 };
1928 struct tf_set_tbl_entry_parms sparms = { 0 };
1929 struct tf_free_tbl_entry_parms free_parms = { 0 };
1930 uint32_t tbl_scope_id;
1931 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
1932 uint16_t bit_size;
1933 uint32_t encap_flds = 0;
1934
1935 /* Get the scope id first */
1936 rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx, &tbl_scope_id);
1937 if (rc) {
1938 BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
1939 return rc;
1940 }
1941
1942 /* use the max size if encap is enabled */
1943 if (tbl->encap_num_fields)
1944 bit_size = BNXT_ULP_FLMP_BLOB_SIZE_IN_BITS;
1945 else
1946 bit_size = tbl->result_bit_size;
1947
1948 /* Initialize the blob data */
1949 if (!ulp_blob_init(&data, bit_size,
1950 parms->device_params->byte_order)) {
1951 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
1952 return -EINVAL;
1953 }
1954
1955 /* Get the result fields list */
1956 flds = ulp_mapper_result_fields_get(parms, tbl, &num_flds, &encap_flds);
1957
1958 if (!flds || (!num_flds && !encap_flds)) {
1959 BNXT_TF_DBG(ERR, "template undefined for the index table\n");
1960 return -EINVAL;
1961 }
1962
1963 /* process the result fields, loop through them */
1964 for (i = 0; i < (num_flds + encap_flds); i++) {
1965 /* set the swap index if encap swap bit is enabled */
1966 if (parms->device_params->encap_byte_swap && encap_flds &&
1967 (i == num_flds))
1968 ulp_blob_encap_swap_idx_set(&data);
1969
1970 /* Process the result fields */
1971 rc = ulp_mapper_result_field_process(parms,
1972 tbl->direction,
1973 &flds[i],
1974 &data,
1975 "Indexed Result");
1976 if (rc) {
1977 BNXT_TF_DBG(ERR, "data field failed\n");
1978 return rc;
1979 }
1980 }
1981
1982 /* if encap bit swap is enabled perform the bit swap */
1983 if (parms->device_params->encap_byte_swap && encap_flds) {
1984 ulp_blob_perform_encap_swap(&data);
1985 }
1986
1987 /*
1988 * Check for index opcode, if it is Global then
1989 * no need to allocate the table, just set the table
1990 * and exit since it is not maintained in the flow db.
1991 */
1992 if (tbl->index_opcode == BNXT_ULP_INDEX_OPCODE_GLOBAL) {
1993 /* get the index from index operand */
1994 if (tbl->index_operand < BNXT_ULP_GLB_REGFILE_INDEX_LAST &&
1995 ulp_mapper_glb_resource_read(parms->mapper_data,
1996 tbl->direction,
1997 tbl->index_operand,
1998 &idx)) {
1999 BNXT_TF_DBG(ERR, "Glbl regfile[%d] read failed.\n",
2000 tbl->index_operand);
2001 return -EINVAL;
2002 }
2003 /* set the Tf index table */
2004 sparms.dir = tbl->direction;
2005 sparms.type = tbl->resource_type;
2006 sparms.data = ulp_blob_data_get(&data, &tmplen);
2007 sparms.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
2008 sparms.idx = tfp_be_to_cpu_64(idx);
2009 sparms.tbl_scope_id = tbl_scope_id;
2010
2011 rc = tf_set_tbl_entry(tfp, &sparms);
2012 if (rc) {
2013 BNXT_TF_DBG(ERR,
2014 "Glbl Set table[%d][%s][%d] failed rc=%d\n",
2015 sparms.type,
2016 (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
2017 sparms.idx,
2018 rc);
2019 return rc;
2020 }
2021 return 0; /* success */
2022 }
2023
2024 index = 0;
2025 hit = 0;
2026 /* Perform the tf table allocation by filling the alloc params */
2027 if (tbl->srch_b4_alloc) {
2028 memset(&srchparms, 0, sizeof(srchparms));
2029 srchparms.dir = tbl->direction;
2030 srchparms.type = tbl->resource_type;
2031 srchparms.alloc = 1;
2032 srchparms.result = ulp_blob_data_get(&data, &tmplen);
2033 srchparms.result_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
2034 srchparms.tbl_scope_id = tbl_scope_id;
2035 rc = tf_search_tbl_entry(tfp, &srchparms);
2036 if (rc) {
2037 BNXT_TF_DBG(ERR, "Alloc table[%s][%s] failed rc=%d\n",
2038 tf_tbl_type_2_str(tbl->resource_type),
2039 tf_dir_2_str(tbl->direction), rc);
2040 return rc;
2041 }
2042 if (srchparms.search_status == REJECT) {
2043 BNXT_TF_DBG(ERR, "Alloc table[%s][%s] rejected.\n",
2044 tf_tbl_type_2_str(tbl->resource_type),
2045 tf_dir_2_str(tbl->direction));
2046 return -ENOMEM;
2047 }
2048 index = srchparms.idx;
2049 hit = srchparms.hit;
2050 } else {
2051 aparms.dir = tbl->direction;
2052 aparms.type = tbl->resource_type;
2053 aparms.search_enable = tbl->srch_b4_alloc;
2054 aparms.result = ulp_blob_data_get(&data, &tmplen);
2055 aparms.result_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
2056 aparms.tbl_scope_id = tbl_scope_id;
2057
2058 /* All failures after the alloc succeeds require a free */
2059 rc = tf_alloc_tbl_entry(tfp, &aparms);
2060 if (rc) {
2061 BNXT_TF_DBG(ERR, "Alloc table[%s][%s] failed rc=%d\n",
2062 tf_tbl_type_2_str(tbl->resource_type),
2063 tf_dir_2_str(tbl->direction), rc);
2064 return rc;
2065 }
2066 index = aparms.idx;
2067 }
2068 /*
2069 * calculate the idx for the result record, for external EM the offset
2070 * needs to be shifted accordingly. If external non-inline table types
2071 * are used then need to revisit this logic.
2072 */
2073 if (tbl->resource_type == TF_TBL_TYPE_EXT)
2074 idx = TF_ACT_REC_OFFSET_2_PTR(index);
2075 else
2076 idx = index;
2077
2078 /* Always storing values in Regfile in BE */
2079 idx = tfp_cpu_to_be_64(idx);
2080 if (tbl->index_opcode == BNXT_ULP_INDEX_OPCODE_ALLOCATE) {
2081 rc = ulp_regfile_write(parms->regfile, tbl->index_operand, idx);
2082 if (!rc) {
2083 BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
2084 tbl->index_operand);
2085 goto error;
2086 }
2087 }
2088
2089 /* Perform the tf table set by filling the set params */
2090 if (!tbl->srch_b4_alloc || !hit) {
2091 sparms.dir = tbl->direction;
2092 sparms.type = tbl->resource_type;
2093 sparms.data = ulp_blob_data_get(&data, &tmplen);
2094 sparms.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
2095 sparms.idx = index;
2096 sparms.tbl_scope_id = tbl_scope_id;
2097
2098 rc = tf_set_tbl_entry(tfp, &sparms);
2099 if (rc) {
2100 BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
2101 sparms.type,
2102 (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
2103 sparms.idx,
2104 rc);
2105 goto error;
2106 }
2107 }
2108
2109 /* Link the resource to the flow in the flow db */
2110 memset(&fid_parms, 0, sizeof(fid_parms));
2111 fid_parms.direction = tbl->direction;
2112 fid_parms.resource_func = tbl->resource_func;
2113 fid_parms.resource_type = tbl->resource_type;
2114 fid_parms.resource_sub_type = tbl->resource_sub_type;
2115 fid_parms.resource_hndl = index;
2116 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
2117
2118 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
2119 parms->flow_type,
2120 parms->fid,
2121 &fid_parms);
2122 if (rc) {
2123 BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
2124 rc);
2125 goto error;
2126 }
2127
2128 /* Perform the VF rep action */
2129 rc = ulp_mapper_mark_vfr_idx_process(parms, tbl);
2130 if (rc) {
2131 BNXT_TF_DBG(ERR, "Failed to add vfr mark rc = %d\n", rc);
2132 goto error;
2133 }
2134 return rc;
2135 error:
2136 /*
2137 * Free the allocated resource since we failed to either
2138 * write to the entry or link the flow
2139 */
2140 free_parms.dir = tbl->direction;
2141 free_parms.type = tbl->resource_type;
2142 free_parms.idx = index;
2143 free_parms.tbl_scope_id = tbl_scope_id;
2144
2145 trc = tf_free_tbl_entry(tfp, &free_parms);
2146 if (trc)
2147 BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
2148
2149 return rc;
2150 }
2151
2152 static int32_t
ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)2153 ulp_mapper_cache_tbl_process(struct bnxt_ulp_mapper_parms *parms,
2154 struct bnxt_ulp_mapper_tbl_info *tbl)
2155 {
2156 struct bnxt_ulp_mapper_key_field_info *kflds;
2157 struct bnxt_ulp_mapper_cache_entry *cache_entry;
2158 struct bnxt_ulp_mapper_ident_info *idents;
2159 uint32_t i, num_kflds = 0, num_idents = 0;
2160 struct ulp_flow_db_res_params fid_parms;
2161 struct tf_free_identifier_parms fparms;
2162 uint16_t tmplen, tmp_ident;
2163 struct ulp_blob key;
2164 uint8_t *cache_key;
2165 uint64_t regval;
2166 uint16_t *ckey;
2167 int32_t rc;
2168
2169 /* Get the key fields list and build the key. */
2170 kflds = ulp_mapper_key_fields_get(parms, tbl, &num_kflds);
2171 if (!kflds || !num_kflds) {
2172 BNXT_TF_DBG(ERR, "Failed to get key fields\n");
2173 return -EINVAL;
2174 }
2175 if (!ulp_blob_init(&key, tbl->key_bit_size,
2176 parms->device_params->byte_order)) {
2177 BNXT_TF_DBG(ERR, "Failed to alloc blob\n");
2178 return -EINVAL;
2179 }
2180 for (i = 0; i < num_kflds; i++) {
2181 /* Setup the key */
2182 rc = ulp_mapper_keymask_field_process(parms, tbl->direction,
2183 &kflds[i],
2184 &key, 1, "Cache Key");
2185 if (rc) {
2186 BNXT_TF_DBG(ERR,
2187 "Failed to create key for Cache rc=%d\n",
2188 rc);
2189 return -EINVAL;
2190 }
2191 }
2192
2193 /*
2194 * Perform the lookup in the cache table with constructed key. The
2195 * cache_key is a byte array of tmplen, it needs to be converted to a
2196 * index for the cache table.
2197 */
2198 cache_key = ulp_blob_data_get(&key, &tmplen);
2199 ckey = (uint16_t *)cache_key;
2200
2201 /*
2202 * The id computed based on resource sub type and direction where
2203 * dir is the bit0 and rest of the bits come from resource
2204 * sub type.
2205 */
2206 cache_entry = ulp_mapper_cache_entry_get(parms->ulp_ctx,
2207 (tbl->resource_sub_type << 1 |
2208 (tbl->direction & 0x1)),
2209 *ckey);
2210
2211 /*
2212 * Get the identifier list for processing by both the hit and miss
2213 * processing.
2214 */
2215 idents = ulp_mapper_ident_fields_get(parms, tbl, &num_idents);
2216
2217 if (!cache_entry->ref_count) {
2218 /* Initialize the cache entry */
2219 cache_entry->tcam_idx = 0;
2220 cache_entry->ref_count = 0;
2221 for (i = 0; i < BNXT_ULP_CACHE_TBL_IDENT_MAX_NUM; i++)
2222 cache_entry->idents[i] = ULP_IDENTS_INVALID;
2223
2224 /* Need to allocate identifiers for storing in the cache. */
2225 for (i = 0; i < num_idents; i++) {
2226 /*
2227 * Since we are using the cache, the identifier does not
2228 * get added to the flow db. Pass in the pointer to the
2229 * tmp_ident.
2230 */
2231 rc = ulp_mapper_ident_process(parms, tbl,
2232 &idents[i], &tmp_ident);
2233 if (rc)
2234 goto error;
2235
2236 cache_entry->ident_types[i] = idents[i].ident_type;
2237 cache_entry->idents[i] = tmp_ident;
2238 }
2239
2240 /* Tell the TCAM processor to alloc an entry */
2241 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_ALLOC;
2242 /* Store the cache key for use by the tcam process code */
2243 parms->cache_ptr = cache_entry;
2244 } else {
2245 /* Cache hit, get values from result. */
2246 for (i = 0; i < num_idents; i++) {
2247 regval = (uint64_t)cache_entry->idents[i];
2248 if (!ulp_regfile_write(parms->regfile,
2249 idents[i].regfile_idx,
2250 tfp_cpu_to_be_64(regval))) {
2251 BNXT_TF_DBG(ERR,
2252 "Failed to write to regfile\n");
2253 return -EINVAL;
2254 }
2255 }
2256 /*
2257 * The cached entry is being used, so let the tcam processing
2258 * know not to process this table.
2259 */
2260 parms->tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_CACHE_SKIP;
2261 }
2262
2263 /* Made through the cache processing, increment the reference count. */
2264 cache_entry->ref_count++;
2265
2266 /* Link the cache to the flow db. */
2267 memset(&fid_parms, 0, sizeof(fid_parms));
2268 fid_parms.direction = tbl->direction;
2269 fid_parms.resource_func = tbl->resource_func;
2270
2271 /*
2272 * Cache resource type is composed of table_type, resource
2273 * sub type and direction, it needs to set appropriately via setter.
2274 */
2275 ulp_mapper_cache_res_type_set(&fid_parms,
2276 tbl->resource_type,
2277 (tbl->resource_sub_type << 1 |
2278 (tbl->direction & 0x1)));
2279 fid_parms.resource_hndl = (uint64_t)*ckey;
2280 fid_parms.critical_resource = tbl->critical_resource;
2281 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
2282 parms->flow_type,
2283 parms->fid,
2284 &fid_parms);
2285 if (rc)
2286 BNXT_TF_DBG(ERR, "Failed to add cache to flow db.\n");
2287
2288 return rc;
2289 error:
2290 /*
2291 * This error handling only gets called when the idents are being
2292 * allocated for the cache on misses. Using the num_idents that was
2293 * previously set.
2294 */
2295 for (i = 0; i < num_idents; i++) {
2296 if (cache_entry->idents[i] == ULP_IDENTS_INVALID)
2297 continue;
2298
2299 fparms.dir = tbl->direction;
2300 fparms.ident_type = idents[i].ident_type;
2301 fparms.id = cache_entry->idents[i];
2302 tf_free_identifier(parms->tfp, &fparms);
2303 }
2304
2305 return rc;
2306 }
2307
2308 static int32_t
ulp_mapper_if_tbl_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)2309 ulp_mapper_if_tbl_process(struct bnxt_ulp_mapper_parms *parms,
2310 struct bnxt_ulp_mapper_tbl_info *tbl)
2311 {
2312 struct bnxt_ulp_mapper_result_field_info *flds;
2313 struct ulp_blob data;
2314 uint64_t idx;
2315 uint16_t tmplen;
2316 uint32_t i, num_flds;
2317 int32_t rc = 0;
2318 struct tf_set_if_tbl_entry_parms iftbl_params = { 0 };
2319 struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
2320 uint32_t encap_flds;
2321
2322 /* Initialize the blob data */
2323 if (!ulp_blob_init(&data, tbl->result_bit_size,
2324 parms->device_params->byte_order)) {
2325 BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
2326 return -EINVAL;
2327 }
2328
2329 /* Get the result fields list */
2330 flds = ulp_mapper_result_fields_get(parms, tbl, &num_flds, &encap_flds);
2331
2332 if (!flds || !num_flds || encap_flds) {
2333 BNXT_TF_DBG(ERR, "template undefined for the IF table\n");
2334 return -EINVAL;
2335 }
2336
2337 /* process the result fields, loop through them */
2338 for (i = 0; i < num_flds; i++) {
2339 /* Process the result fields */
2340 rc = ulp_mapper_result_field_process(parms,
2341 tbl->direction,
2342 &flds[i],
2343 &data,
2344 "IFtable Result");
2345 if (rc) {
2346 BNXT_TF_DBG(ERR, "data field failed\n");
2347 return rc;
2348 }
2349 }
2350
2351 /* Get the index details from computed field */
2352 if (tbl->index_opcode == BNXT_ULP_INDEX_OPCODE_COMP_FIELD) {
2353 idx = ULP_COMP_FLD_IDX_RD(parms, tbl->index_operand);
2354 } else if (tbl->index_opcode == BNXT_ULP_INDEX_OPCODE_CONSTANT) {
2355 idx = tbl->index_operand;
2356 } else {
2357 BNXT_TF_DBG(ERR, "Invalid tbl index opcode\n");
2358 return -EINVAL;
2359 }
2360
2361 /* Perform the tf table set by filling the set params */
2362 iftbl_params.dir = tbl->direction;
2363 iftbl_params.type = tbl->resource_type;
2364 iftbl_params.data = ulp_blob_data_get(&data, &tmplen);
2365 iftbl_params.data_sz_in_bytes = ULP_BITS_2_BYTE(tmplen);
2366 iftbl_params.idx = idx;
2367
2368 rc = tf_set_if_tbl_entry(tfp, &iftbl_params);
2369 if (rc) {
2370 BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
2371 iftbl_params.type,
2372 (iftbl_params.dir == TF_DIR_RX) ? "RX" : "TX",
2373 iftbl_params.idx,
2374 rc);
2375 return rc;
2376 }
2377
2378 /*
2379 * TBD: Need to look at the need to store idx in flow db for restore
2380 * the table to its original state on deletion of this entry.
2381 */
2382 return rc;
2383 }
2384
2385 static int32_t
ulp_mapper_glb_resource_info_init(struct bnxt_ulp_context * ulp_ctx,struct bnxt_ulp_mapper_data * mapper_data)2386 ulp_mapper_glb_resource_info_init(struct bnxt_ulp_context *ulp_ctx,
2387 struct bnxt_ulp_mapper_data *mapper_data)
2388 {
2389 struct bnxt_ulp_glb_resource_info *glb_res;
2390 uint32_t num_glb_res_ids, idx;
2391 int32_t rc = 0;
2392
2393 glb_res = ulp_mapper_glb_resource_info_list_get(&num_glb_res_ids);
2394 if (!glb_res || !num_glb_res_ids) {
2395 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
2396 return -EINVAL;
2397 }
2398
2399 /* Iterate the global resources and process each one */
2400 for (idx = 0; idx < num_glb_res_ids; idx++) {
2401 switch (glb_res[idx].resource_func) {
2402 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
2403 rc = ulp_mapper_resource_ident_allocate(ulp_ctx,
2404 mapper_data,
2405 &glb_res[idx]);
2406 break;
2407 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
2408 rc = ulp_mapper_resource_index_tbl_alloc(ulp_ctx,
2409 mapper_data,
2410 &glb_res[idx]);
2411 break;
2412 default:
2413 BNXT_TF_DBG(ERR, "Global resource %x not supported\n",
2414 glb_res[idx].resource_func);
2415 rc = -EINVAL;
2416 break;
2417 }
2418 if (rc)
2419 return rc;
2420 }
2421 return rc;
2422 }
2423
2424 /*
2425 * Function to process the conditional opcode of the mapper table.
2426 * returns 1 to skip the table.
2427 * return 0 to continue processing the table.
2428 *
2429 * defaults to skip
2430 */
2431 static int32_t
ulp_mapper_tbl_cond_opcode_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)2432 ulp_mapper_tbl_cond_opcode_process(struct bnxt_ulp_mapper_parms *parms,
2433 struct bnxt_ulp_mapper_tbl_info *tbl)
2434 {
2435 int32_t rc = 1;
2436
2437 switch (tbl->cond_opcode) {
2438 case BNXT_ULP_COND_OPCODE_NOP:
2439 rc = 0;
2440 break;
2441 case BNXT_ULP_COND_OPCODE_COMP_FIELD_IS_SET:
2442 if (tbl->cond_operand < BNXT_ULP_CF_IDX_LAST &&
2443 ULP_COMP_FLD_IDX_RD(parms, tbl->cond_operand))
2444 rc = 0;
2445 break;
2446 case BNXT_ULP_COND_OPCODE_ACTION_BIT_IS_SET:
2447 if (ULP_BITMAP_ISSET(parms->act_bitmap->bits,
2448 tbl->cond_operand))
2449 rc = 0;
2450 break;
2451 case BNXT_ULP_COND_OPCODE_HDR_BIT_IS_SET:
2452 if (ULP_BITMAP_ISSET(parms->hdr_bitmap->bits,
2453 tbl->cond_operand))
2454 rc = 0;
2455 break;
2456 case BNXT_ULP_COND_OPCODE_COMP_FIELD_NOT_SET:
2457 if (tbl->cond_operand < BNXT_ULP_CF_IDX_LAST &&
2458 !ULP_COMP_FLD_IDX_RD(parms, tbl->cond_operand))
2459 rc = 0;
2460 break;
2461 case BNXT_ULP_COND_OPCODE_ACTION_BIT_NOT_SET:
2462 if (!ULP_BITMAP_ISSET(parms->act_bitmap->bits,
2463 tbl->cond_operand))
2464 rc = 0;
2465 break;
2466 case BNXT_ULP_COND_OPCODE_HDR_BIT_NOT_SET:
2467 if (!ULP_BITMAP_ISSET(parms->hdr_bitmap->bits,
2468 tbl->cond_operand))
2469 rc = 0;
2470 break;
2471 default:
2472 BNXT_TF_DBG(ERR,
2473 "Invalid arg in mapper tbl for cond opcode\n");
2474 break;
2475 }
2476 return rc;
2477 }
2478
2479 /*
2480 * Function to process the memtype opcode of the mapper table.
2481 * returns 1 to skip the table.
2482 * return 0 to continue processing the table.
2483 *
2484 * defaults to skip
2485 */
2486 static int32_t
ulp_mapper_tbl_memtype_opcode_process(struct bnxt_ulp_mapper_parms * parms,struct bnxt_ulp_mapper_tbl_info * tbl)2487 ulp_mapper_tbl_memtype_opcode_process(struct bnxt_ulp_mapper_parms *parms,
2488 struct bnxt_ulp_mapper_tbl_info *tbl)
2489 {
2490 enum bnxt_ulp_flow_mem_type mtype = BNXT_ULP_FLOW_MEM_TYPE_INT;
2491 int32_t rc = 1;
2492
2493 bnxt_ulp_cntxt_mem_type_get(parms->ulp_ctx, &mtype);
2494
2495 switch (tbl->mem_type_opcode) {
2496 case BNXT_ULP_MEM_TYPE_OPCODE_EXECUTE_IF_INT:
2497 if (mtype == BNXT_ULP_FLOW_MEM_TYPE_INT)
2498 rc = 0;
2499 break;
2500 case BNXT_ULP_MEM_TYPE_OPCODE_EXECUTE_IF_EXT:
2501 if (mtype == BNXT_ULP_FLOW_MEM_TYPE_EXT)
2502 rc = 0;
2503 break;
2504 case BNXT_ULP_MEM_TYPE_OPCODE_NOP:
2505 rc = 0;
2506 break;
2507 default:
2508 BNXT_TF_DBG(ERR,
2509 "Invalid arg in mapper in memtype opcode\n");
2510 break;
2511 }
2512 return rc;
2513 }
2514
2515 static int32_t
ulp_mapper_tbls_process(struct bnxt_ulp_mapper_parms * parms,uint32_t tid)2516 ulp_mapper_tbls_process(struct bnxt_ulp_mapper_parms *parms, uint32_t tid)
2517 {
2518 struct bnxt_ulp_mapper_tbl_info *tbls;
2519 uint32_t num_tbls, i;
2520 int32_t rc = -EINVAL;
2521
2522 tbls = ulp_mapper_tbl_list_get(parms, tid, &num_tbls);
2523 if (!tbls || !num_tbls) {
2524 BNXT_TF_DBG(ERR, "No %s tables for %d:%d\n",
2525 (parms->tmpl_type == BNXT_ULP_TEMPLATE_TYPE_CLASS) ?
2526 "class" : "action", parms->dev_id, tid);
2527 return -EINVAL;
2528 }
2529
2530 for (i = 0; i < num_tbls; i++) {
2531 struct bnxt_ulp_mapper_tbl_info *tbl = &tbls[i];
2532
2533 if (ulp_mapper_tbl_memtype_opcode_process(parms, tbl))
2534 continue;
2535 if (ulp_mapper_tbl_cond_opcode_process(parms, tbl))
2536 continue;
2537
2538 switch (tbl->resource_func) {
2539 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
2540 rc = ulp_mapper_tcam_tbl_process(parms, tbl);
2541 break;
2542 case BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE:
2543 case BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE:
2544 rc = ulp_mapper_em_tbl_process(parms, tbl);
2545 break;
2546 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
2547 rc = ulp_mapper_index_tbl_process(parms, tbl);
2548 break;
2549 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
2550 rc = ulp_mapper_cache_tbl_process(parms, tbl);
2551 break;
2552 case BNXT_ULP_RESOURCE_FUNC_IF_TABLE:
2553 rc = ulp_mapper_if_tbl_process(parms, tbl);
2554 break;
2555 default:
2556 BNXT_TF_DBG(ERR, "Unexpected mapper resource %d\n",
2557 tbl->resource_func);
2558 rc = -EINVAL;
2559 goto error;
2560 }
2561
2562 if (rc) {
2563 BNXT_TF_DBG(ERR, "Resource type %d failed\n",
2564 tbl->resource_func);
2565 goto error;
2566 }
2567 }
2568
2569 return rc;
2570 error:
2571 BNXT_TF_DBG(ERR, "%s tables failed creation for %d:%d\n",
2572 (parms->tmpl_type == BNXT_ULP_TEMPLATE_TYPE_CLASS) ?
2573 "class" : "action", parms->dev_id, tid);
2574 return rc;
2575 }
2576
2577 static int32_t
ulp_mapper_resource_free(struct bnxt_ulp_context * ulp,uint32_t fid,struct ulp_flow_db_res_params * res)2578 ulp_mapper_resource_free(struct bnxt_ulp_context *ulp,
2579 uint32_t fid,
2580 struct ulp_flow_db_res_params *res)
2581 {
2582 struct tf *tfp;
2583 int32_t rc = 0;
2584
2585 if (!res || !ulp) {
2586 BNXT_TF_DBG(ERR, "Unable to free resource\n ");
2587 return -EINVAL;
2588 }
2589
2590 tfp = bnxt_ulp_cntxt_tfp_get(ulp);
2591 if (!tfp) {
2592 BNXT_TF_DBG(ERR, "Unable to free resource failed to get tfp\n");
2593 return -EINVAL;
2594 }
2595
2596 switch (res->resource_func) {
2597 case BNXT_ULP_RESOURCE_FUNC_CACHE_TABLE:
2598 rc = ulp_mapper_cache_entry_free(ulp, tfp, res);
2599 break;
2600 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
2601 rc = ulp_mapper_tcam_entry_free(ulp, tfp, res);
2602 break;
2603 case BNXT_ULP_RESOURCE_FUNC_EXT_EM_TABLE:
2604 case BNXT_ULP_RESOURCE_FUNC_INT_EM_TABLE:
2605 rc = ulp_mapper_em_entry_free(ulp, tfp, res);
2606 break;
2607 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
2608 rc = ulp_mapper_index_entry_free(ulp, tfp, res);
2609 break;
2610 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
2611 rc = ulp_mapper_ident_free(ulp, tfp, res);
2612 break;
2613 case BNXT_ULP_RESOURCE_FUNC_HW_FID:
2614 rc = ulp_mapper_mark_free(ulp, res);
2615 break;
2616 case BNXT_ULP_RESOURCE_FUNC_PARENT_FLOW:
2617 rc = ulp_mapper_parent_flow_free(ulp, fid, res);
2618 break;
2619 case BNXT_ULP_RESOURCE_FUNC_CHILD_FLOW:
2620 rc = ulp_mapper_child_flow_free(ulp, fid, res);
2621 break;
2622 default:
2623 break;
2624 }
2625
2626 return rc;
2627 }
2628
2629 int32_t
ulp_mapper_resources_free(struct bnxt_ulp_context * ulp_ctx,enum bnxt_ulp_fdb_type flow_type,uint32_t fid)2630 ulp_mapper_resources_free(struct bnxt_ulp_context *ulp_ctx,
2631 enum bnxt_ulp_fdb_type flow_type,
2632 uint32_t fid)
2633 {
2634 struct ulp_flow_db_res_params res_parms = { 0 };
2635 int32_t rc, trc;
2636
2637 if (!ulp_ctx) {
2638 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
2639 return -EINVAL;
2640 }
2641
2642 /*
2643 * Set the critical resource on the first resource del, then iterate
2644 * while status is good
2645 */
2646 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_YES;
2647 rc = ulp_flow_db_resource_del(ulp_ctx, flow_type, fid, &res_parms);
2648
2649 if (rc) {
2650 /*
2651 * This is unexpected on the first call to resource del.
2652 * It likely means that the flow did not exist in the flow db.
2653 */
2654 BNXT_TF_DBG(ERR, "Flow[%d][0x%08x] failed to free (rc=%d)\n",
2655 flow_type, fid, rc);
2656 return rc;
2657 }
2658
2659 while (!rc) {
2660 trc = ulp_mapper_resource_free(ulp_ctx, fid, &res_parms);
2661 if (trc)
2662 /*
2663 * On fail, we still need to attempt to free the
2664 * remaining resources. Don't return
2665 */
2666 BNXT_TF_DBG(ERR,
2667 "Flow[%d][0x%x] Res[%d][0x%016" PRIx64
2668 "] failed rc=%d.\n",
2669 flow_type, fid, res_parms.resource_func,
2670 res_parms.resource_hndl, trc);
2671
2672 /* All subsequent call require the non-critical_resource */
2673 res_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
2674
2675 rc = ulp_flow_db_resource_del(ulp_ctx,
2676 flow_type,
2677 fid,
2678 &res_parms);
2679 }
2680
2681 /* Free the Flow ID since we've removed all resources */
2682 rc = ulp_flow_db_fid_free(ulp_ctx, flow_type, fid);
2683
2684 return rc;
2685 }
2686
2687 static void
ulp_mapper_glb_resource_info_deinit(struct bnxt_ulp_context * ulp_ctx,struct bnxt_ulp_mapper_data * mapper_data)2688 ulp_mapper_glb_resource_info_deinit(struct bnxt_ulp_context *ulp_ctx,
2689 struct bnxt_ulp_mapper_data *mapper_data)
2690 {
2691 struct bnxt_ulp_mapper_glb_resource_entry *ent;
2692 struct ulp_flow_db_res_params res;
2693 uint32_t dir, idx;
2694
2695 /* Iterate the global resources and process each one */
2696 for (dir = TF_DIR_RX; dir < TF_DIR_MAX; dir++) {
2697 for (idx = 0; idx < BNXT_ULP_GLB_RESOURCE_TBL_MAX_SZ;
2698 idx++) {
2699 ent = &mapper_data->glb_res_tbl[dir][idx];
2700 if (ent->resource_func ==
2701 BNXT_ULP_RESOURCE_FUNC_INVALID)
2702 continue;
2703 memset(&res, 0, sizeof(struct ulp_flow_db_res_params));
2704 res.resource_func = ent->resource_func;
2705 res.direction = dir;
2706 res.resource_type = ent->resource_type;
2707 /*convert it from BE to cpu */
2708 res.resource_hndl =
2709 tfp_be_to_cpu_64(ent->resource_hndl);
2710 ulp_mapper_resource_free(ulp_ctx, 0, &res);
2711 }
2712 }
2713 }
2714
2715 int32_t
ulp_mapper_flow_destroy(struct bnxt_ulp_context * ulp_ctx,enum bnxt_ulp_fdb_type flow_type,uint32_t fid)2716 ulp_mapper_flow_destroy(struct bnxt_ulp_context *ulp_ctx,
2717 enum bnxt_ulp_fdb_type flow_type,
2718 uint32_t fid)
2719 {
2720 int32_t rc;
2721
2722 if (!ulp_ctx) {
2723 BNXT_TF_DBG(ERR, "Invalid parms, unable to free flow\n");
2724 return -EINVAL;
2725 }
2726
2727 rc = ulp_mapper_resources_free(ulp_ctx, flow_type, fid);
2728 return rc;
2729 }
2730
2731 /* Function to handle the default global templates that are allocated during
2732 * the startup and reused later.
2733 */
2734 static int32_t
ulp_mapper_glb_template_table_init(struct bnxt_ulp_context * ulp_ctx)2735 ulp_mapper_glb_template_table_init(struct bnxt_ulp_context *ulp_ctx)
2736 {
2737 uint32_t *glbl_tmpl_list;
2738 uint32_t num_glb_tmpls, idx, dev_id;
2739 struct bnxt_ulp_mapper_parms parms;
2740 struct bnxt_ulp_mapper_data *mapper_data;
2741 int32_t rc = 0;
2742
2743 glbl_tmpl_list = ulp_mapper_glb_template_table_get(&num_glb_tmpls);
2744 if (!glbl_tmpl_list || !num_glb_tmpls)
2745 return rc; /* No global templates to process */
2746
2747 /* Get the device id from the ulp context */
2748 if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id)) {
2749 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
2750 return -EINVAL;
2751 }
2752
2753 mapper_data = bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2754 if (!mapper_data) {
2755 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
2756 return -EINVAL;
2757 }
2758
2759 /* Iterate the global resources and process each one */
2760 for (idx = 0; idx < num_glb_tmpls; idx++) {
2761 /* Initialize the parms structure */
2762 memset(&parms, 0, sizeof(parms));
2763 parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2764 parms.ulp_ctx = ulp_ctx;
2765 parms.dev_id = dev_id;
2766 parms.mapper_data = mapper_data;
2767 parms.flow_type = BNXT_ULP_FDB_TYPE_DEFAULT;
2768 parms.tmpl_type = BNXT_ULP_TEMPLATE_TYPE_CLASS;
2769
2770 /* Get the class table entry from dev id and class id */
2771 parms.class_tid = glbl_tmpl_list[idx];
2772
2773 parms.device_params = bnxt_ulp_device_params_get(parms.dev_id);
2774 if (!parms.device_params) {
2775 BNXT_TF_DBG(ERR, "No device for device id %d\n",
2776 parms.dev_id);
2777 return -EINVAL;
2778 }
2779
2780 rc = ulp_mapper_tbls_process(&parms, parms.class_tid);
2781 if (rc)
2782 return rc;
2783 }
2784 return rc;
2785 }
2786
2787 /* Function to handle the mapping of the Flow to be compatible
2788 * with the underlying hardware.
2789 */
2790 int32_t
ulp_mapper_flow_create(struct bnxt_ulp_context * ulp_ctx,struct bnxt_ulp_mapper_create_parms * cparms)2791 ulp_mapper_flow_create(struct bnxt_ulp_context *ulp_ctx,
2792 struct bnxt_ulp_mapper_create_parms *cparms)
2793 {
2794 struct bnxt_ulp_mapper_parms parms;
2795 struct ulp_regfile regfile;
2796 int32_t rc, trc;
2797
2798 if (!ulp_ctx || !cparms)
2799 return -EINVAL;
2800
2801 /* Initialize the parms structure */
2802 memset(&parms, 0, sizeof(parms));
2803 parms.act_prop = cparms->act_prop;
2804 parms.act_bitmap = cparms->act;
2805 parms.hdr_bitmap = cparms->hdr_bitmap;
2806 parms.regfile = ®file;
2807 parms.hdr_field = cparms->hdr_field;
2808 parms.comp_fld = cparms->comp_fld;
2809 parms.tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2810 parms.ulp_ctx = ulp_ctx;
2811 parms.tcam_tbl_opc = BNXT_ULP_MAPPER_TCAM_TBL_OPC_NORMAL;
2812 parms.act_tid = cparms->act_tid;
2813 parms.class_tid = cparms->class_tid;
2814 parms.flow_type = cparms->flow_type;
2815 parms.parent_flow = cparms->parent_flow;
2816 parms.parent_fid = cparms->parent_fid;
2817 parms.fid = cparms->flow_id;
2818 parms.tun_idx = cparms->tun_idx;
2819
2820 /* Get the device id from the ulp context */
2821 if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &parms.dev_id)) {
2822 BNXT_TF_DBG(ERR, "Invalid ulp context\n");
2823 return -EINVAL;
2824 }
2825
2826 /* Get the device params, it will be used in later processing */
2827 parms.device_params = bnxt_ulp_device_params_get(parms.dev_id);
2828 if (!parms.device_params) {
2829 BNXT_TF_DBG(ERR, "No device parms for device id %d\n",
2830 parms.dev_id);
2831 return -EINVAL;
2832 }
2833
2834 /*
2835 * Get the mapper data for dynamic mapper data such as default
2836 * ids.
2837 */
2838 parms.mapper_data = (struct bnxt_ulp_mapper_data *)
2839 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2840 if (!parms.mapper_data) {
2841 BNXT_TF_DBG(ERR, "Failed to get the ulp mapper data\n");
2842 return -EINVAL;
2843 }
2844
2845 /* initialize the registry file for further processing */
2846 if (!ulp_regfile_init(parms.regfile)) {
2847 BNXT_TF_DBG(ERR, "regfile initialization failed.\n");
2848 return -EINVAL;
2849 }
2850
2851 rc = ulp_regfile_write(parms.regfile,
2852 BNXT_ULP_REGFILE_INDEX_CLASS_TID,
2853 tfp_cpu_to_be_64((uint64_t)parms.class_tid));
2854 if (!rc) {
2855 BNXT_TF_DBG(ERR, "Unable to write template ID to regfile\n");
2856 return -EINVAL;
2857 }
2858
2859 /* Process the action template list from the selected action table*/
2860 if (parms.act_tid) {
2861 parms.tmpl_type = BNXT_ULP_TEMPLATE_TYPE_ACTION;
2862 /* Process the action template tables */
2863 rc = ulp_mapper_tbls_process(&parms, parms.act_tid);
2864 if (rc)
2865 goto flow_error;
2866 }
2867
2868 if (parms.class_tid) {
2869 parms.tmpl_type = BNXT_ULP_TEMPLATE_TYPE_CLASS;
2870
2871 /* Process the class template tables.*/
2872 rc = ulp_mapper_tbls_process(&parms, parms.class_tid);
2873 if (rc)
2874 goto flow_error;
2875 }
2876
2877 /* setup the parent-child details */
2878 if (parms.parent_flow) {
2879 /* create a parent flow details */
2880 rc = ulp_flow_db_parent_flow_create(&parms);
2881 if (rc)
2882 goto flow_error;
2883 } else if (parms.parent_fid) {
2884 /* create a child flow details */
2885 rc = ulp_flow_db_child_flow_create(&parms);
2886 if (rc)
2887 goto flow_error;
2888 }
2889
2890 return rc;
2891
2892 flow_error:
2893 /* Free all resources that were allocated during flow creation */
2894 trc = ulp_mapper_flow_destroy(ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR,
2895 parms.fid);
2896 if (trc)
2897 BNXT_TF_DBG(ERR, "Failed to free all resources rc=%d\n", trc);
2898
2899 return rc;
2900 }
2901
2902 int32_t
ulp_mapper_init(struct bnxt_ulp_context * ulp_ctx)2903 ulp_mapper_init(struct bnxt_ulp_context *ulp_ctx)
2904 {
2905 struct bnxt_ulp_cache_tbl_params *tbl;
2906 struct bnxt_ulp_mapper_data *data;
2907 uint32_t i;
2908 struct tf *tfp;
2909 int32_t rc, csize;
2910
2911 if (!ulp_ctx)
2912 return -EINVAL;
2913
2914 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2915 if (!tfp)
2916 return -EINVAL;
2917
2918 data = rte_zmalloc("ulp_mapper_data",
2919 sizeof(struct bnxt_ulp_mapper_data), 0);
2920 if (!data) {
2921 BNXT_TF_DBG(ERR, "Failed to allocate the mapper data\n");
2922 return -ENOMEM;
2923 }
2924
2925 if (bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, data)) {
2926 BNXT_TF_DBG(ERR, "Failed to set mapper data in context\n");
2927 /* Don't call deinit since the prof_func wasn't allocated. */
2928 rte_free(data);
2929 return -ENOMEM;
2930 }
2931
2932 /* Allocate the global resource ids */
2933 rc = ulp_mapper_glb_resource_info_init(ulp_ctx, data);
2934 if (rc) {
2935 BNXT_TF_DBG(ERR, "Failed to initialize global resource ids\n");
2936 goto error;
2937 }
2938
2939 /* Allocate the ulp cache tables. */
2940 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
2941 tbl = ulp_mapper_cache_tbl_params_get(i);
2942 if (!tbl) {
2943 BNXT_TF_DBG(ERR, "Failed to get cache table parms (%d)",
2944 i);
2945 goto error;
2946 }
2947 if (tbl->num_entries != 0) {
2948 csize = sizeof(struct bnxt_ulp_mapper_cache_entry) *
2949 tbl->num_entries;
2950 data->cache_tbl[i] = rte_zmalloc("ulp mapper cache tbl",
2951 csize, 0);
2952 if (!data->cache_tbl[i]) {
2953 BNXT_TF_DBG(ERR, "Failed to allocate Cache "
2954 "table %d.\n", i);
2955 rc = -ENOMEM;
2956 goto error;
2957 }
2958 }
2959 }
2960
2961 rc = ulp_mapper_glb_template_table_init(ulp_ctx);
2962 if (rc) {
2963 BNXT_TF_DBG(ERR, "Failed to initialize global templates\n");
2964 goto error;
2965 }
2966
2967 return 0;
2968 error:
2969 /* Ignore the return code in favor of returning the original error. */
2970 ulp_mapper_deinit(ulp_ctx);
2971 return rc;
2972 }
2973
2974 void
ulp_mapper_deinit(struct bnxt_ulp_context * ulp_ctx)2975 ulp_mapper_deinit(struct bnxt_ulp_context *ulp_ctx)
2976 {
2977 struct bnxt_ulp_mapper_data *data;
2978 uint32_t i;
2979 struct tf *tfp;
2980
2981 if (!ulp_ctx) {
2982 BNXT_TF_DBG(ERR,
2983 "Failed to acquire ulp context, so data may "
2984 "not be released.\n");
2985 return;
2986 }
2987
2988 data = (struct bnxt_ulp_mapper_data *)
2989 bnxt_ulp_cntxt_ptr2_mapper_data_get(ulp_ctx);
2990 if (!data) {
2991 /* Go ahead and return since there is no allocated data. */
2992 BNXT_TF_DBG(ERR, "No data appears to have been allocated.\n");
2993 return;
2994 }
2995
2996 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
2997 if (!tfp) {
2998 BNXT_TF_DBG(ERR, "Failed to acquire tfp.\n");
2999 /* Free the mapper data regardless of errors. */
3000 goto free_mapper_data;
3001 }
3002
3003 /* Free the global resource info table entries */
3004 ulp_mapper_glb_resource_info_deinit(ulp_ctx, data);
3005
3006 free_mapper_data:
3007 /* Free the ulp cache tables */
3008 for (i = 0; i < BNXT_ULP_CACHE_TBL_MAX_SZ; i++) {
3009 rte_free(data->cache_tbl[i]);
3010 data->cache_tbl[i] = NULL;
3011 }
3012
3013 rte_free(data);
3014 /* Reset the data pointer within the ulp_ctx. */
3015 bnxt_ulp_cntxt_ptr2_mapper_data_set(ulp_ctx, NULL);
3016 }
3017