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