1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2021 Broadcom
3 * All rights reserved.
4 */
5
6 #include "bnxt.h"
7 #include "bnxt_tf_common.h"
8 #include "ulp_rte_parser.h"
9 #include "ulp_matcher.h"
10 #include "ulp_flow_db.h"
11 #include "ulp_mapper.h"
12 #include "ulp_fc_mgr.h"
13 #include "ulp_port_db.h"
14 #include "ulp_ha_mgr.h"
15 #include "ulp_tun.h"
16 #include <rte_malloc.h>
17
18 static int32_t
bnxt_ulp_flow_validate_args(const struct rte_flow_attr * attr,const struct rte_flow_item pattern[],const struct rte_flow_action actions[],struct rte_flow_error * error)19 bnxt_ulp_flow_validate_args(const struct rte_flow_attr *attr,
20 const struct rte_flow_item pattern[],
21 const struct rte_flow_action actions[],
22 struct rte_flow_error *error)
23 {
24 /* Perform the validation of the arguments for null */
25 if (!error)
26 return BNXT_TF_RC_ERROR;
27
28 if (!pattern) {
29 rte_flow_error_set(error,
30 EINVAL,
31 RTE_FLOW_ERROR_TYPE_ITEM_NUM,
32 NULL,
33 "NULL pattern.");
34 return BNXT_TF_RC_ERROR;
35 }
36
37 if (!actions) {
38 rte_flow_error_set(error,
39 EINVAL,
40 RTE_FLOW_ERROR_TYPE_ACTION_NUM,
41 NULL,
42 "NULL action.");
43 return BNXT_TF_RC_ERROR;
44 }
45
46 if (!attr) {
47 rte_flow_error_set(error,
48 EINVAL,
49 RTE_FLOW_ERROR_TYPE_ATTR,
50 NULL,
51 "NULL attribute.");
52 return BNXT_TF_RC_ERROR;
53 }
54
55 if (attr->egress && attr->ingress) {
56 rte_flow_error_set(error,
57 EINVAL,
58 RTE_FLOW_ERROR_TYPE_ATTR,
59 attr,
60 "EGRESS AND INGRESS UNSUPPORTED");
61 return BNXT_TF_RC_ERROR;
62 }
63 return BNXT_TF_RC_SUCCESS;
64 }
65
66 static inline void
bnxt_ulp_set_dir_attributes(struct ulp_rte_parser_params * params,const struct rte_flow_attr * attr)67 bnxt_ulp_set_dir_attributes(struct ulp_rte_parser_params *params,
68 const struct rte_flow_attr *attr)
69 {
70 /* Set the flow attributes */
71 if (attr->egress)
72 params->dir_attr |= BNXT_ULP_FLOW_ATTR_EGRESS;
73 if (attr->ingress)
74 params->dir_attr |= BNXT_ULP_FLOW_ATTR_INGRESS;
75 #if RTE_VERSION_NUM(17, 11, 10, 16) < RTE_VERSION
76 if (attr->transfer)
77 params->dir_attr |= BNXT_ULP_FLOW_ATTR_TRANSFER;
78 #endif
79 }
80
81 void
bnxt_ulp_init_mapper_params(struct bnxt_ulp_mapper_create_parms * mapper_cparms,struct ulp_rte_parser_params * params,enum bnxt_ulp_fdb_type flow_type)82 bnxt_ulp_init_mapper_params(struct bnxt_ulp_mapper_create_parms *mapper_cparms,
83 struct ulp_rte_parser_params *params,
84 enum bnxt_ulp_fdb_type flow_type)
85 {
86 uint32_t ulp_flags = 0;
87
88 memset(mapper_cparms, 0, sizeof(*mapper_cparms));
89 mapper_cparms->flow_type = flow_type;
90 mapper_cparms->app_priority = params->priority;
91 mapper_cparms->dir_attr = params->dir_attr;
92 mapper_cparms->class_tid = params->class_id;
93 mapper_cparms->act_tid = params->act_tmpl;
94 mapper_cparms->func_id = params->func_id;
95 mapper_cparms->hdr_bitmap = ¶ms->hdr_bitmap;
96 mapper_cparms->enc_hdr_bitmap = ¶ms->enc_hdr_bitmap;
97 mapper_cparms->hdr_field = params->hdr_field;
98 mapper_cparms->enc_field = params->enc_field;
99 mapper_cparms->comp_fld = params->comp_fld;
100 mapper_cparms->act = ¶ms->act_bitmap;
101 mapper_cparms->act_prop = ¶ms->act_prop;
102 mapper_cparms->flow_id = params->fid;
103 mapper_cparms->parent_flow = params->parent_flow;
104 mapper_cparms->child_flow = params->child_flow;
105 mapper_cparms->fld_bitmap = ¶ms->fld_bitmap;
106 mapper_cparms->flow_pattern_id = params->flow_pattern_id;
107 mapper_cparms->act_pattern_id = params->act_pattern_id;
108 mapper_cparms->app_id = params->app_id;
109 mapper_cparms->port_id = params->port_id;
110 mapper_cparms->tun_idx = params->tun_idx;
111
112 /* update the signature fields into the computed field list */
113 ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_HDR_SIG_ID,
114 params->hdr_sig_id);
115 ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_FLOW_SIG_ID,
116 params->flow_sig_id);
117
118 if (bnxt_ulp_cntxt_ptr2_ulp_flags_get(params->ulp_ctx, &ulp_flags))
119 return;
120
121 /* update the WC Priority flag */
122 if (ULP_HIGH_AVAIL_IS_ENABLED(ulp_flags)) {
123 enum ulp_ha_mgr_region region = ULP_HA_REGION_LOW;
124 int32_t rc;
125
126 rc = ulp_ha_mgr_region_get(params->ulp_ctx, ®ion);
127 if (rc)
128 BNXT_TF_DBG(ERR, "Unable to get WC region\n");
129 if (region == ULP_HA_REGION_HI)
130 ULP_COMP_FLD_IDX_WR(params,
131 BNXT_ULP_CF_IDX_WC_IS_HA_HIGH_REG,
132 1);
133 }
134
135 /* Update the socket direct flag */
136 if (ULP_BITMAP_ISSET(params->hdr_bitmap.bits,
137 BNXT_ULP_HDR_BIT_SVIF_IGNORE)) {
138 uint32_t ifindex;
139 uint16_t vport;
140
141 /* Get the port db ifindex */
142 if (ulp_port_db_dev_port_to_ulp_index(params->ulp_ctx,
143 params->port_id,
144 &ifindex)) {
145 BNXT_TF_DBG(ERR, "Invalid port id %u\n",
146 params->port_id);
147 return;
148 }
149 /* Update the phy port of the other interface */
150 if (ulp_port_db_vport_get(params->ulp_ctx, ifindex, &vport)) {
151 BNXT_TF_DBG(ERR, "Invalid port if index %u\n", ifindex);
152 return;
153 }
154 ULP_COMP_FLD_IDX_WR(params, BNXT_ULP_CF_IDX_SOCKET_DIRECT_VPORT,
155 (vport == 1) ? 2 : 1);
156 }
157 }
158
159 /* Function to create the rte flow. */
160 static struct rte_flow *
bnxt_ulp_flow_create(struct rte_eth_dev * dev,const struct rte_flow_attr * attr,const struct rte_flow_item pattern[],const struct rte_flow_action actions[],struct rte_flow_error * error)161 bnxt_ulp_flow_create(struct rte_eth_dev *dev,
162 const struct rte_flow_attr *attr,
163 const struct rte_flow_item pattern[],
164 const struct rte_flow_action actions[],
165 struct rte_flow_error *error)
166 {
167 struct bnxt_ulp_mapper_create_parms mapper_cparms = { 0 };
168 struct ulp_rte_parser_params params;
169 struct bnxt_ulp_context *ulp_ctx;
170 int rc, ret = BNXT_TF_RC_ERROR;
171 struct rte_flow *flow_id;
172 uint16_t func_id;
173 uint32_t fid;
174
175 if (bnxt_ulp_flow_validate_args(attr,
176 pattern, actions,
177 error) == BNXT_TF_RC_ERROR) {
178 BNXT_TF_DBG(ERR, "Invalid arguments being passed\n");
179 goto flow_error;
180 }
181
182 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(dev);
183 if (!ulp_ctx) {
184 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
185 goto flow_error;
186 }
187
188 /* Initialize the parser params */
189 memset(¶ms, 0, sizeof(struct ulp_rte_parser_params));
190 params.ulp_ctx = ulp_ctx;
191
192 if (bnxt_ulp_cntxt_app_id_get(params.ulp_ctx, ¶ms.app_id)) {
193 BNXT_TF_DBG(ERR, "failed to get the app id\n");
194 goto flow_error;
195 }
196
197 /* Set the flow attributes */
198 bnxt_ulp_set_dir_attributes(¶ms, attr);
199
200 /* copy the device port id and direction for further processing */
201 ULP_COMP_FLD_IDX_WR(¶ms, BNXT_ULP_CF_IDX_INCOMING_IF,
202 dev->data->port_id);
203 ULP_COMP_FLD_IDX_WR(¶ms, BNXT_ULP_CF_IDX_DEV_PORT_ID,
204 dev->data->port_id);
205 ULP_COMP_FLD_IDX_WR(¶ms, BNXT_ULP_CF_IDX_SVIF_FLAG,
206 BNXT_ULP_INVALID_SVIF_VAL);
207
208 /* Get the function id */
209 if (ulp_port_db_port_func_id_get(ulp_ctx,
210 dev->data->port_id,
211 &func_id)) {
212 BNXT_TF_DBG(ERR, "conversion of port to func id failed\n");
213 goto flow_error;
214 }
215
216 /* Protect flow creation */
217 if (bnxt_ulp_cntxt_acquire_fdb_lock(ulp_ctx)) {
218 BNXT_TF_DBG(ERR, "Flow db lock acquire failed\n");
219 goto flow_error;
220 }
221
222 /* Allocate a Flow ID for attaching all resources for the flow to.
223 * Once allocated, all errors have to walk the list of resources and
224 * free each of them.
225 */
226 rc = ulp_flow_db_fid_alloc(ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR,
227 func_id, &fid);
228 if (rc) {
229 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n");
230 goto release_lock;
231 }
232
233 /* Parse the rte flow pattern */
234 ret = bnxt_ulp_rte_parser_hdr_parse(pattern, ¶ms);
235 if (ret != BNXT_TF_RC_SUCCESS)
236 goto free_fid;
237
238 /* Parse the rte flow action */
239 ret = bnxt_ulp_rte_parser_act_parse(actions, ¶ms);
240 if (ret != BNXT_TF_RC_SUCCESS)
241 goto free_fid;
242
243 params.fid = fid;
244 params.func_id = func_id;
245 params.priority = attr->priority;
246 params.port_id = dev->data->port_id;
247
248 /* Perform the rte flow post process */
249 bnxt_ulp_rte_parser_post_process(¶ms);
250
251 /* do the tunnel offload process if any */
252 ret = ulp_tunnel_offload_process(¶ms);
253 if (ret == BNXT_TF_RC_ERROR)
254 goto free_fid;
255
256 ret = ulp_matcher_pattern_match(¶ms, ¶ms.class_id);
257 if (ret != BNXT_TF_RC_SUCCESS)
258 goto free_fid;
259
260 ret = ulp_matcher_action_match(¶ms, ¶ms.act_tmpl);
261 if (ret != BNXT_TF_RC_SUCCESS)
262 goto free_fid;
263
264 bnxt_ulp_init_mapper_params(&mapper_cparms, ¶ms,
265 BNXT_ULP_FDB_TYPE_REGULAR);
266 /* Call the ulp mapper to create the flow in the hardware. */
267 ret = ulp_mapper_flow_create(ulp_ctx, &mapper_cparms);
268 if (ret)
269 goto free_fid;
270
271 bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx);
272
273 flow_id = (struct rte_flow *)((uintptr_t)fid);
274 return flow_id;
275
276 free_fid:
277 ulp_flow_db_fid_free(ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR, fid);
278 release_lock:
279 bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx);
280 flow_error:
281 rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
282 "Failed to create flow.");
283 return NULL;
284 }
285
286 /* Function to validate the rte flow. */
287 static int
bnxt_ulp_flow_validate(struct rte_eth_dev * dev,const struct rte_flow_attr * attr,const struct rte_flow_item pattern[],const struct rte_flow_action actions[],struct rte_flow_error * error)288 bnxt_ulp_flow_validate(struct rte_eth_dev *dev,
289 const struct rte_flow_attr *attr,
290 const struct rte_flow_item pattern[],
291 const struct rte_flow_action actions[],
292 struct rte_flow_error *error)
293 {
294 struct ulp_rte_parser_params params;
295 struct bnxt_ulp_context *ulp_ctx;
296 uint32_t class_id, act_tmpl;
297 int ret = BNXT_TF_RC_ERROR;
298
299 if (bnxt_ulp_flow_validate_args(attr,
300 pattern, actions,
301 error) == BNXT_TF_RC_ERROR) {
302 BNXT_TF_DBG(ERR, "Invalid arguments being passed\n");
303 goto parse_error;
304 }
305
306 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(dev);
307 if (!ulp_ctx) {
308 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
309 goto parse_error;
310 }
311
312 /* Initialize the parser params */
313 memset(¶ms, 0, sizeof(struct ulp_rte_parser_params));
314 params.ulp_ctx = ulp_ctx;
315
316 if (bnxt_ulp_cntxt_app_id_get(params.ulp_ctx, ¶ms.app_id)) {
317 BNXT_TF_DBG(ERR, "failed to get the app id\n");
318 goto parse_error;
319 }
320
321 /* Set the flow attributes */
322 bnxt_ulp_set_dir_attributes(¶ms, attr);
323
324 /* Parse the rte flow pattern */
325 ret = bnxt_ulp_rte_parser_hdr_parse(pattern, ¶ms);
326 if (ret != BNXT_TF_RC_SUCCESS)
327 goto parse_error;
328
329 /* Parse the rte flow action */
330 ret = bnxt_ulp_rte_parser_act_parse(actions, ¶ms);
331 if (ret != BNXT_TF_RC_SUCCESS)
332 goto parse_error;
333
334 /* Perform the rte flow post process */
335 bnxt_ulp_rte_parser_post_process(¶ms);
336
337 /* do the tunnel offload process if any */
338 ret = ulp_tunnel_offload_process(¶ms);
339 if (ret == BNXT_TF_RC_ERROR)
340 goto parse_error;
341
342 ret = ulp_matcher_pattern_match(¶ms, &class_id);
343
344 if (ret != BNXT_TF_RC_SUCCESS)
345 goto parse_error;
346
347 ret = ulp_matcher_action_match(¶ms, &act_tmpl);
348 if (ret != BNXT_TF_RC_SUCCESS)
349 goto parse_error;
350
351 /* all good return success */
352 return ret;
353
354 parse_error:
355 rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
356 "Failed to validate flow.");
357 return -EINVAL;
358 }
359
360 /* Function to destroy the rte flow. */
361 int
bnxt_ulp_flow_destroy(struct rte_eth_dev * dev,struct rte_flow * flow,struct rte_flow_error * error)362 bnxt_ulp_flow_destroy(struct rte_eth_dev *dev,
363 struct rte_flow *flow,
364 struct rte_flow_error *error)
365 {
366 struct bnxt_ulp_context *ulp_ctx;
367 uint32_t flow_id;
368 uint16_t func_id;
369 int ret;
370
371 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(dev);
372 if (!ulp_ctx) {
373 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
374 if (error)
375 rte_flow_error_set(error, EINVAL,
376 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
377 "Failed to destroy flow.");
378 return -EINVAL;
379 }
380
381 flow_id = (uint32_t)(uintptr_t)flow;
382
383 if (ulp_port_db_port_func_id_get(ulp_ctx,
384 dev->data->port_id,
385 &func_id)) {
386 BNXT_TF_DBG(ERR, "conversion of port to func id failed\n");
387 if (error)
388 rte_flow_error_set(error, EINVAL,
389 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
390 "Failed to destroy flow.");
391 return -EINVAL;
392 }
393
394 if (ulp_flow_db_validate_flow_func(ulp_ctx, flow_id, func_id) ==
395 false) {
396 BNXT_TF_DBG(ERR, "Incorrect device params\n");
397 if (error)
398 rte_flow_error_set(error, EINVAL,
399 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
400 "Failed to destroy flow.");
401 return -EINVAL;
402 }
403
404 if (bnxt_ulp_cntxt_acquire_fdb_lock(ulp_ctx)) {
405 BNXT_TF_DBG(ERR, "Flow db lock acquire failed\n");
406 return -EINVAL;
407 }
408 ret = ulp_mapper_flow_destroy(ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR,
409 flow_id);
410 if (ret) {
411 BNXT_TF_DBG(ERR, "Failed to destroy flow.\n");
412 if (error)
413 rte_flow_error_set(error, -ret,
414 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
415 "Failed to destroy flow.");
416 }
417 bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx);
418
419 return ret;
420 }
421
422 /* Function to destroy the rte flows. */
423 static int32_t
bnxt_ulp_flow_flush(struct rte_eth_dev * eth_dev,struct rte_flow_error * error)424 bnxt_ulp_flow_flush(struct rte_eth_dev *eth_dev,
425 struct rte_flow_error *error)
426 {
427 struct bnxt_ulp_context *ulp_ctx;
428 int32_t ret = 0;
429 uint16_t func_id;
430
431 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
432 if (!ulp_ctx) {
433 return ret;
434 }
435
436 /* Free the resources for the last device */
437 if (ulp_ctx_deinit_allowed(ulp_ctx)) {
438 ret = ulp_flow_db_session_flow_flush(ulp_ctx);
439 } else if (bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx)) {
440 ret = ulp_port_db_port_func_id_get(ulp_ctx,
441 eth_dev->data->port_id,
442 &func_id);
443 if (!ret)
444 ret = ulp_flow_db_function_flow_flush(ulp_ctx, func_id);
445 else
446 BNXT_TF_DBG(ERR, "convert port to func id failed\n");
447 }
448 if (ret)
449 rte_flow_error_set(error, ret,
450 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
451 "Failed to flush flow.");
452 return ret;
453 }
454
455 /* Function to query the rte flows. */
456 static int32_t
bnxt_ulp_flow_query(struct rte_eth_dev * eth_dev,struct rte_flow * flow,const struct rte_flow_action * action,void * data,struct rte_flow_error * error)457 bnxt_ulp_flow_query(struct rte_eth_dev *eth_dev,
458 struct rte_flow *flow,
459 const struct rte_flow_action *action,
460 void *data,
461 struct rte_flow_error *error)
462 {
463 int rc = 0;
464 struct bnxt_ulp_context *ulp_ctx;
465 struct rte_flow_query_count *count;
466 uint32_t flow_id;
467
468 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
469 if (!ulp_ctx) {
470 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
471 rte_flow_error_set(error, EINVAL,
472 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
473 "Failed to query flow.");
474 return -EINVAL;
475 }
476
477 flow_id = (uint32_t)(uintptr_t)flow;
478
479 switch (action->type) {
480 case RTE_FLOW_ACTION_TYPE_COUNT:
481 count = data;
482 rc = ulp_fc_mgr_query_count_get(ulp_ctx, flow_id, count);
483 if (rc) {
484 rte_flow_error_set(error, EINVAL,
485 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
486 "Failed to query flow.");
487 }
488 break;
489 default:
490 rte_flow_error_set(error, -rc, RTE_FLOW_ERROR_TYPE_ACTION_NUM,
491 NULL, "Unsupported action item");
492 }
493
494 return rc;
495 }
496
497 /* Tunnel offload Apis */
498 #define BNXT_ULP_TUNNEL_OFFLOAD_NUM_ITEMS 1
499
500 static int
bnxt_ulp_tunnel_decap_set(struct rte_eth_dev * eth_dev,struct rte_flow_tunnel * tunnel,struct rte_flow_action ** pmd_actions,uint32_t * num_of_actions,struct rte_flow_error * error)501 bnxt_ulp_tunnel_decap_set(struct rte_eth_dev *eth_dev,
502 struct rte_flow_tunnel *tunnel,
503 struct rte_flow_action **pmd_actions,
504 uint32_t *num_of_actions,
505 struct rte_flow_error *error)
506 {
507 struct bnxt_ulp_context *ulp_ctx;
508 struct bnxt_flow_app_tun_ent *tun_entry;
509 int32_t rc = 0;
510
511 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
512 if (ulp_ctx == NULL) {
513 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
514 rte_flow_error_set(error, EINVAL,
515 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
516 "ULP context uninitialized");
517 return -EINVAL;
518 }
519
520 if (tunnel == NULL) {
521 BNXT_TF_DBG(ERR, "No tunnel specified\n");
522 rte_flow_error_set(error, EINVAL,
523 RTE_FLOW_ERROR_TYPE_ATTR, NULL,
524 "no tunnel specified");
525 return -EINVAL;
526 }
527
528 if (tunnel->type != RTE_FLOW_ITEM_TYPE_VXLAN) {
529 BNXT_TF_DBG(ERR, "Tunnel type unsupported\n");
530 rte_flow_error_set(error, EINVAL,
531 RTE_FLOW_ERROR_TYPE_ATTR, NULL,
532 "tunnel type unsupported");
533 return -EINVAL;
534 }
535
536 rc = ulp_app_tun_search_entry(ulp_ctx, tunnel, &tun_entry);
537 if (rc < 0) {
538 rte_flow_error_set(error, EINVAL,
539 RTE_FLOW_ERROR_TYPE_ATTR, NULL,
540 "tunnel decap set failed");
541 return -EINVAL;
542 }
543
544 rc = ulp_app_tun_entry_set_decap_action(tun_entry);
545 if (rc < 0) {
546 rte_flow_error_set(error, EINVAL,
547 RTE_FLOW_ERROR_TYPE_ATTR, NULL,
548 "tunnel decap set failed");
549 return -EINVAL;
550 }
551
552 *pmd_actions = &tun_entry->action;
553 *num_of_actions = BNXT_ULP_TUNNEL_OFFLOAD_NUM_ITEMS;
554 return 0;
555 }
556
557 static int
bnxt_ulp_tunnel_match(struct rte_eth_dev * eth_dev,struct rte_flow_tunnel * tunnel,struct rte_flow_item ** pmd_items,uint32_t * num_of_items,struct rte_flow_error * error)558 bnxt_ulp_tunnel_match(struct rte_eth_dev *eth_dev,
559 struct rte_flow_tunnel *tunnel,
560 struct rte_flow_item **pmd_items,
561 uint32_t *num_of_items,
562 struct rte_flow_error *error)
563 {
564 struct bnxt_ulp_context *ulp_ctx;
565 struct bnxt_flow_app_tun_ent *tun_entry;
566 int32_t rc = 0;
567
568 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
569 if (ulp_ctx == NULL) {
570 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
571 rte_flow_error_set(error, EINVAL,
572 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
573 "ULP context uninitialized");
574 return -EINVAL;
575 }
576
577 if (tunnel == NULL) {
578 BNXT_TF_DBG(ERR, "No tunnel specified\n");
579 rte_flow_error_set(error, EINVAL,
580 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
581 "no tunnel specified");
582 return -EINVAL;
583 }
584
585 if (tunnel->type != RTE_FLOW_ITEM_TYPE_VXLAN) {
586 BNXT_TF_DBG(ERR, "Tunnel type unsupported\n");
587 rte_flow_error_set(error, EINVAL,
588 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
589 "tunnel type unsupported");
590 return -EINVAL;
591 }
592
593 rc = ulp_app_tun_search_entry(ulp_ctx, tunnel, &tun_entry);
594 if (rc < 0) {
595 rte_flow_error_set(error, EINVAL,
596 RTE_FLOW_ERROR_TYPE_ATTR, NULL,
597 "tunnel match set failed");
598 return -EINVAL;
599 }
600
601 rc = ulp_app_tun_entry_set_decap_item(tun_entry);
602 if (rc < 0) {
603 rte_flow_error_set(error, EINVAL,
604 RTE_FLOW_ERROR_TYPE_ATTR, NULL,
605 "tunnel match set failed");
606 return -EINVAL;
607 }
608
609 *pmd_items = &tun_entry->item;
610 *num_of_items = BNXT_ULP_TUNNEL_OFFLOAD_NUM_ITEMS;
611 return 0;
612 }
613
614 static int
bnxt_ulp_tunnel_decap_release(struct rte_eth_dev * eth_dev,struct rte_flow_action * pmd_actions,uint32_t num_actions,struct rte_flow_error * error)615 bnxt_ulp_tunnel_decap_release(struct rte_eth_dev *eth_dev,
616 struct rte_flow_action *pmd_actions,
617 uint32_t num_actions,
618 struct rte_flow_error *error)
619 {
620 struct bnxt_ulp_context *ulp_ctx;
621 struct bnxt_flow_app_tun_ent *tun_entry;
622 const struct rte_flow_action *action_item = pmd_actions;
623
624 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
625 if (ulp_ctx == NULL) {
626 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
627 rte_flow_error_set(error, EINVAL,
628 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
629 "ULP context uninitialized");
630 return -EINVAL;
631 }
632 if (num_actions != BNXT_ULP_TUNNEL_OFFLOAD_NUM_ITEMS) {
633 BNXT_TF_DBG(ERR, "num actions is invalid\n");
634 rte_flow_error_set(error, EINVAL,
635 RTE_FLOW_ERROR_TYPE_ATTR, NULL,
636 "num actions is invalid");
637 return -EINVAL;
638 }
639 while (action_item && action_item->type != RTE_FLOW_ACTION_TYPE_END) {
640 if (action_item->type == (typeof(tun_entry->action.type))
641 BNXT_RTE_FLOW_ACTION_TYPE_VXLAN_DECAP) {
642 tun_entry = ulp_app_tun_match_entry(ulp_ctx,
643 action_item->conf);
644 ulp_app_tun_entry_delete(tun_entry);
645 }
646 action_item++;
647 }
648 return 0;
649 }
650
651 static int
bnxt_ulp_tunnel_item_release(struct rte_eth_dev * eth_dev,struct rte_flow_item * pmd_items,uint32_t num_items,struct rte_flow_error * error)652 bnxt_ulp_tunnel_item_release(struct rte_eth_dev *eth_dev,
653 struct rte_flow_item *pmd_items,
654 uint32_t num_items,
655 struct rte_flow_error *error)
656 {
657 struct bnxt_ulp_context *ulp_ctx;
658 struct bnxt_flow_app_tun_ent *tun_entry;
659
660 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
661 if (ulp_ctx == NULL) {
662 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
663 rte_flow_error_set(error, EINVAL,
664 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
665 "ULP context uninitialized");
666 return -EINVAL;
667 }
668 if (num_items != BNXT_ULP_TUNNEL_OFFLOAD_NUM_ITEMS) {
669 BNXT_TF_DBG(ERR, "num items is invalid\n");
670 rte_flow_error_set(error, EINVAL,
671 RTE_FLOW_ERROR_TYPE_ATTR, NULL,
672 "num items is invalid");
673 return -EINVAL;
674 }
675
676 tun_entry = ulp_app_tun_match_entry(ulp_ctx, pmd_items->spec);
677 ulp_app_tun_entry_delete(tun_entry);
678 return 0;
679 }
680
681 const struct rte_flow_ops bnxt_ulp_rte_flow_ops = {
682 .validate = bnxt_ulp_flow_validate,
683 .create = bnxt_ulp_flow_create,
684 .destroy = bnxt_ulp_flow_destroy,
685 .flush = bnxt_ulp_flow_flush,
686 .query = bnxt_ulp_flow_query,
687 .isolate = NULL,
688 /* Tunnel offload callbacks */
689 .tunnel_decap_set = bnxt_ulp_tunnel_decap_set,
690 .tunnel_match = bnxt_ulp_tunnel_match,
691 .tunnel_action_decap_release = bnxt_ulp_tunnel_decap_release,
692 .tunnel_item_release = bnxt_ulp_tunnel_item_release,
693 .get_restore_info = NULL
694 };
695