drivers/net: fix port id size
[dpdk.git] / drivers / net / bnxt / tf_ulp / bnxt_ulp.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2019-2020 Broadcom
3  * All rights reserved.
4  */
5
6 #include <rte_log.h>
7 #include <rte_malloc.h>
8 #include <rte_flow.h>
9 #include <rte_flow_driver.h>
10 #include <rte_tailq.h>
11
12 #include "bnxt.h"
13 #include "bnxt_ulp.h"
14 #include "bnxt_tf_common.h"
15 #include "tf_core.h"
16 #include "tf_ext_flow_handle.h"
17
18 #include "ulp_template_db_enum.h"
19 #include "ulp_template_struct.h"
20 #include "ulp_mark_mgr.h"
21 #include "ulp_fc_mgr.h"
22 #include "ulp_flow_db.h"
23 #include "ulp_mapper.h"
24 #include "ulp_port_db.h"
25
26 /* Linked list of all TF sessions. */
27 STAILQ_HEAD(, bnxt_ulp_session_state) bnxt_ulp_session_list =
28                         STAILQ_HEAD_INITIALIZER(bnxt_ulp_session_list);
29
30 /* Mutex to synchronize bnxt_ulp_session_list operations. */
31 static pthread_mutex_t bnxt_ulp_global_mutex = PTHREAD_MUTEX_INITIALIZER;
32
33 /*
34  * Allow the deletion of context only for the bnxt device that
35  * created the session.
36  */
37 bool
38 ulp_ctx_deinit_allowed(struct bnxt_ulp_context *ulp_ctx)
39 {
40         if (!ulp_ctx || !ulp_ctx->cfg_data)
41                 return false;
42
43         if (!ulp_ctx->cfg_data->ref_cnt) {
44                 BNXT_TF_DBG(DEBUG, "ulp ctx shall initiate deinit\n");
45                 return true;
46         }
47
48         return false;
49 }
50
51 /*
52  * Initialize an ULP session.
53  * An ULP session will contain all the resources needed to support rte flow
54  * offloads. A session is initialized as part of rte_eth_device start.
55  * A single vswitch instance can have multiple uplinks which means
56  * rte_eth_device start will be called for each of these devices.
57  * ULP session manager will make sure that a single ULP session is only
58  * initialized once. Apart from this, it also initializes MARK database,
59  * EEM table & flow database. ULP session manager also manages a list of
60  * all opened ULP sessions.
61  */
62 static int32_t
63 ulp_ctx_session_open(struct bnxt *bp,
64                      struct bnxt_ulp_session_state *session)
65 {
66         struct rte_eth_dev              *ethdev = bp->eth_dev;
67         int32_t                         rc = 0;
68         struct tf_open_session_parms    params;
69         struct tf_session_resources     *resources;
70
71         memset(&params, 0, sizeof(params));
72
73         rc = rte_eth_dev_get_name_by_port(ethdev->data->port_id,
74                                           params.ctrl_chan_name);
75         if (rc) {
76                 BNXT_TF_DBG(ERR, "Invalid port %d, rc = %d\n",
77                             ethdev->data->port_id, rc);
78                 return rc;
79         }
80
81         params.shadow_copy = true;
82         params.device_type = TF_DEVICE_TYPE_WH;
83         resources = &params.resources;
84         /** RX **/
85         /* Identifiers */
86         resources->ident_cnt[TF_DIR_RX].cnt[TF_IDENT_TYPE_L2_CTXT_HIGH] = 422;
87         resources->ident_cnt[TF_DIR_RX].cnt[TF_IDENT_TYPE_L2_CTXT_LOW] = 6;
88         resources->ident_cnt[TF_DIR_RX].cnt[TF_IDENT_TYPE_WC_PROF] = 192;
89         resources->ident_cnt[TF_DIR_RX].cnt[TF_IDENT_TYPE_PROF_FUNC] = 64;
90         resources->ident_cnt[TF_DIR_RX].cnt[TF_IDENT_TYPE_EM_PROF] = 192;
91
92         /* Table Types */
93         resources->tbl_cnt[TF_DIR_RX].cnt[TF_TBL_TYPE_FULL_ACT_RECORD] = 8192;
94         resources->tbl_cnt[TF_DIR_RX].cnt[TF_TBL_TYPE_ACT_STATS_64] = 16384;
95         resources->tbl_cnt[TF_DIR_RX].cnt[TF_TBL_TYPE_ACT_MODIFY_IPV4] = 1023;
96
97         /* ENCAP */
98         resources->tbl_cnt[TF_DIR_RX].cnt[TF_TBL_TYPE_ACT_ENCAP_8B] = 511;
99         resources->tbl_cnt[TF_DIR_RX].cnt[TF_TBL_TYPE_ACT_ENCAP_16B] = 63;
100
101         /* TCAMs */
102         resources->tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_L2_CTXT_TCAM_HIGH] =
103                 422;
104         resources->tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_L2_CTXT_TCAM_LOW] =
105                 6;
106         resources->tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_PROF_TCAM] = 960;
107         resources->tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] = 88;
108
109         /* EM */
110         resources->em_cnt[TF_DIR_RX].cnt[TF_EM_TBL_TYPE_EM_RECORD] = 13168;
111
112         /* EEM */
113         resources->em_cnt[TF_DIR_RX].cnt[TF_EM_TBL_TYPE_TBL_SCOPE] = 1;
114
115         /* SP */
116         resources->tbl_cnt[TF_DIR_RX].cnt[TF_TBL_TYPE_ACT_SP_SMAC] = 255;
117
118         /** TX **/
119         /* Identifiers */
120         resources->ident_cnt[TF_DIR_TX].cnt[TF_IDENT_TYPE_L2_CTXT_HIGH] = 292;
121         resources->ident_cnt[TF_DIR_TX].cnt[TF_IDENT_TYPE_L2_CTXT_LOW] = 148;
122         resources->ident_cnt[TF_DIR_TX].cnt[TF_IDENT_TYPE_WC_PROF] = 192;
123         resources->ident_cnt[TF_DIR_TX].cnt[TF_IDENT_TYPE_PROF_FUNC] = 64;
124         resources->ident_cnt[TF_DIR_TX].cnt[TF_IDENT_TYPE_EM_PROF] = 192;
125
126         /* Table Types */
127         resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_FULL_ACT_RECORD] = 8192;
128         resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_STATS_64] = 16384;
129         resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_MODIFY_IPV4] = 1023;
130
131         /* ENCAP */
132         resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_ENCAP_64B] = 511;
133         resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_ENCAP_16B] = 223;
134         resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_ENCAP_8B] = 255;
135
136         /* TCAMs */
137         resources->tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_L2_CTXT_TCAM_HIGH] =
138                 292;
139         resources->tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_L2_CTXT_TCAM_LOW] =
140                 144;
141         resources->tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_PROF_TCAM] = 960;
142         resources->tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] = 928;
143
144         /* EM */
145         resources->em_cnt[TF_DIR_TX].cnt[TF_EM_TBL_TYPE_EM_RECORD] = 15232;
146
147         /* EEM */
148         resources->em_cnt[TF_DIR_TX].cnt[TF_EM_TBL_TYPE_TBL_SCOPE] = 1;
149
150         /* SP */
151         resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_SP_SMAC_IPV4] = 488;
152         resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_SP_SMAC_IPV6] = 511;
153
154         rc = tf_open_session(&bp->tfp, &params);
155         if (rc) {
156                 BNXT_TF_DBG(ERR, "Failed to open TF session - %s, rc = %d\n",
157                             params.ctrl_chan_name, rc);
158                 return -EINVAL;
159         }
160         if (!session->session_opened) {
161                 session->session_opened = 1;
162                 session->g_tfp = &bp->tfp;
163         }
164         return rc;
165 }
166
167 /*
168  * Close the ULP session.
169  * It takes the ulp context pointer.
170  */
171 static void
172 ulp_ctx_session_close(struct bnxt *bp,
173                       struct bnxt_ulp_session_state *session)
174 {
175         /* close the session in the hardware */
176         if (session->session_opened)
177                 tf_close_session(&bp->tfp);
178         session->session_opened = 0;
179         session->g_tfp = NULL;
180 }
181
182 static void
183 bnxt_init_tbl_scope_parms(struct bnxt *bp,
184                           struct tf_alloc_tbl_scope_parms *params)
185 {
186         struct bnxt_ulp_device_params   *dparms;
187         uint32_t dev_id;
188         int rc;
189
190         rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id);
191         if (rc)
192                 /* TBD: For now, just use default. */
193                 dparms = 0;
194         else
195                 dparms = bnxt_ulp_device_params_get(dev_id);
196
197         /*
198          * Set the flush timer for EEM entries. The value is in 100ms intervals,
199          * so 100 is 10s.
200          */
201         params->hw_flow_cache_flush_timer = 100;
202
203         if (!dparms) {
204                 params->rx_max_key_sz_in_bits = BNXT_ULP_DFLT_RX_MAX_KEY;
205                 params->rx_max_action_entry_sz_in_bits =
206                         BNXT_ULP_DFLT_RX_MAX_ACTN_ENTRY;
207                 params->rx_mem_size_in_mb = BNXT_ULP_DFLT_RX_MEM;
208                 params->rx_num_flows_in_k = BNXT_ULP_RX_NUM_FLOWS;
209                 params->rx_tbl_if_id = BNXT_ULP_RX_TBL_IF_ID;
210
211                 params->tx_max_key_sz_in_bits = BNXT_ULP_DFLT_TX_MAX_KEY;
212                 params->tx_max_action_entry_sz_in_bits =
213                         BNXT_ULP_DFLT_TX_MAX_ACTN_ENTRY;
214                 params->tx_mem_size_in_mb = BNXT_ULP_DFLT_TX_MEM;
215                 params->tx_num_flows_in_k = BNXT_ULP_TX_NUM_FLOWS;
216                 params->tx_tbl_if_id = BNXT_ULP_TX_TBL_IF_ID;
217         } else {
218                 params->rx_max_key_sz_in_bits = BNXT_ULP_DFLT_RX_MAX_KEY;
219                 params->rx_max_action_entry_sz_in_bits =
220                         BNXT_ULP_DFLT_RX_MAX_ACTN_ENTRY;
221                 params->rx_mem_size_in_mb = BNXT_ULP_DFLT_RX_MEM;
222                 params->rx_num_flows_in_k = dparms->flow_db_num_entries / 1024;
223                 params->rx_tbl_if_id = BNXT_ULP_RX_TBL_IF_ID;
224
225                 params->tx_max_key_sz_in_bits = BNXT_ULP_DFLT_TX_MAX_KEY;
226                 params->tx_max_action_entry_sz_in_bits =
227                         BNXT_ULP_DFLT_TX_MAX_ACTN_ENTRY;
228                 params->tx_mem_size_in_mb = BNXT_ULP_DFLT_TX_MEM;
229                 params->tx_num_flows_in_k = dparms->flow_db_num_entries / 1024;
230                 params->tx_tbl_if_id = BNXT_ULP_TX_TBL_IF_ID;
231         }
232 }
233
234 /* Initialize Extended Exact Match host memory. */
235 static int32_t
236 ulp_eem_tbl_scope_init(struct bnxt *bp)
237 {
238         struct tf_alloc_tbl_scope_parms params = {0};
239         uint32_t dev_id;
240         struct bnxt_ulp_device_params *dparms;
241         int rc;
242
243         /* Get the dev specific number of flows that needed to be supported. */
244         if (bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id)) {
245                 BNXT_TF_DBG(ERR, "Invalid device id\n");
246                 return -EINVAL;
247         }
248
249         dparms = bnxt_ulp_device_params_get(dev_id);
250         if (!dparms) {
251                 BNXT_TF_DBG(ERR, "could not fetch the device params\n");
252                 return -ENODEV;
253         }
254
255         if (dparms->flow_mem_type != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
256                 BNXT_TF_DBG(INFO, "Table Scope alloc is not required\n");
257                 return 0;
258         }
259
260         bnxt_init_tbl_scope_parms(bp, &params);
261
262         rc = tf_alloc_tbl_scope(&bp->tfp, &params);
263         if (rc) {
264                 BNXT_TF_DBG(ERR, "Unable to allocate eem table scope rc = %d\n",
265                             rc);
266                 return rc;
267         }
268
269         rc = bnxt_ulp_cntxt_tbl_scope_id_set(bp->ulp_ctx, params.tbl_scope_id);
270         if (rc) {
271                 BNXT_TF_DBG(ERR, "Unable to set table scope id\n");
272                 return rc;
273         }
274
275         return 0;
276 }
277
278 /* Free Extended Exact Match host memory */
279 static int32_t
280 ulp_eem_tbl_scope_deinit(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
281 {
282         struct tf_free_tbl_scope_parms  params = {0};
283         struct tf                       *tfp;
284         int32_t                         rc = 0;
285         struct bnxt_ulp_device_params *dparms;
286         uint32_t dev_id;
287
288         if (!ulp_ctx || !ulp_ctx->cfg_data)
289                 return -EINVAL;
290
291         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
292         if (!tfp) {
293                 BNXT_TF_DBG(ERR, "Failed to get the truflow pointer\n");
294                 return -EINVAL;
295         }
296
297         /* Get the dev specific number of flows that needed to be supported. */
298         if (bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id)) {
299                 BNXT_TF_DBG(ERR, "Invalid device id\n");
300                 return -EINVAL;
301         }
302
303         dparms = bnxt_ulp_device_params_get(dev_id);
304         if (!dparms) {
305                 BNXT_TF_DBG(ERR, "could not fetch the device params\n");
306                 return -ENODEV;
307         }
308
309         if (dparms->flow_mem_type != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
310                 BNXT_TF_DBG(INFO, "Table Scope free is not required\n");
311                 return 0;
312         }
313
314         rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp_ctx, &params.tbl_scope_id);
315         if (rc) {
316                 BNXT_TF_DBG(ERR, "Failed to get the table scope id\n");
317                 return -EINVAL;
318         }
319
320         rc = tf_free_tbl_scope(tfp, &params);
321         if (rc) {
322                 BNXT_TF_DBG(ERR, "Unable to free table scope\n");
323                 return -EINVAL;
324         }
325         return rc;
326 }
327
328 /* The function to free and deinit the ulp context data. */
329 static int32_t
330 ulp_ctx_deinit(struct bnxt *bp,
331                struct bnxt_ulp_session_state *session)
332 {
333         /* close the tf session */
334         ulp_ctx_session_close(bp, session);
335
336         /* Free the contents */
337         if (session->cfg_data) {
338                 rte_free(session->cfg_data);
339                 bp->ulp_ctx->cfg_data = NULL;
340                 session->cfg_data = NULL;
341         }
342         return 0;
343 }
344
345 /* The function to allocate and initialize the ulp context data. */
346 static int32_t
347 ulp_ctx_init(struct bnxt *bp,
348              struct bnxt_ulp_session_state *session)
349 {
350         struct bnxt_ulp_data    *ulp_data;
351         int32_t                 rc = 0;
352
353         /* Allocate memory to hold ulp context data. */
354         ulp_data = rte_zmalloc("bnxt_ulp_data",
355                                sizeof(struct bnxt_ulp_data), 0);
356         if (!ulp_data) {
357                 BNXT_TF_DBG(ERR, "Failed to allocate memory for ulp data\n");
358                 return -ENOMEM;
359         }
360
361         /* Increment the ulp context data reference count usage. */
362         bp->ulp_ctx->cfg_data = ulp_data;
363         session->cfg_data = ulp_data;
364         ulp_data->ref_cnt++;
365         ulp_data->ulp_flags |= BNXT_ULP_VF_REP_ENABLED;
366
367         /* Open the ulp session. */
368         rc = ulp_ctx_session_open(bp, session);
369         if (rc) {
370                 session->session_opened = 1;
371                 (void)ulp_ctx_deinit(bp, session);
372                 return rc;
373         }
374
375         bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, &bp->tfp);
376         return rc;
377 }
378
379 /* The function to initialize ulp dparms with devargs */
380 static int32_t
381 ulp_dparms_init(struct bnxt *bp,
382                 struct bnxt_ulp_context *ulp_ctx)
383 {
384         struct bnxt_ulp_device_params *dparms;
385         uint32_t dev_id;
386
387         if (!bp->max_num_kflows)
388                 return 0;
389
390         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id)) {
391                 BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
392                 return -EINVAL;
393         }
394
395         dparms = bnxt_ulp_device_params_get(dev_id);
396         if (!dparms) {
397                 BNXT_TF_DBG(DEBUG, "Failed to get device parms\n");
398                 return -EINVAL;
399         }
400
401         /* num_flows = max_num_kflows * 1024 */
402         dparms->flow_db_num_entries = bp->max_num_kflows * 1024;
403         /* GFID =  2 * num_flows */
404         dparms->mark_db_gfid_entries = dparms->flow_db_num_entries * 2;
405         BNXT_TF_DBG(DEBUG, "Set the number of flows = %"PRIu64"\n",
406                     dparms->flow_db_num_entries);
407
408         return 0;
409 }
410
411 /* The function to initialize bp flags with truflow features */
412 static int32_t
413 ulp_dparms_dev_port_intf_update(struct bnxt *bp,
414                                 struct bnxt_ulp_context *ulp_ctx)
415 {
416         struct bnxt_ulp_device_params *dparms;
417         uint32_t dev_id;
418
419         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id)) {
420                 BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
421                 return -EINVAL;
422         }
423
424         dparms = bnxt_ulp_device_params_get(dev_id);
425         if (!dparms) {
426                 BNXT_TF_DBG(DEBUG, "Failed to get device parms\n");
427                 return -EINVAL;
428         }
429
430         /* Update the bp flag with gfid flag */
431         if (dparms->flow_mem_type == BNXT_ULP_FLOW_MEM_TYPE_EXT)
432                 bp->flags |= BNXT_FLAG_GFID_ENABLE;
433
434         return 0;
435 }
436
437 static int32_t
438 ulp_ctx_attach(struct bnxt *bp,
439                struct bnxt_ulp_session_state *session)
440 {
441         int32_t rc = 0;
442
443         /* Increment the ulp context data reference count usage. */
444         bp->ulp_ctx->cfg_data = session->cfg_data;
445         bp->ulp_ctx->cfg_data->ref_cnt++;
446
447         /* update the session details in bnxt tfp */
448         bp->tfp.session = session->g_tfp->session;
449
450         /* Create a TF Client */
451         rc = ulp_ctx_session_open(bp, session);
452         if (rc) {
453                 PMD_DRV_LOG(ERR, "Failed to open ctxt session, rc:%d\n", rc);
454                 bp->tfp.session = NULL;
455                 return rc;
456         }
457
458         bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, &bp->tfp);
459         return rc;
460 }
461
462 static void
463 ulp_ctx_detach(struct bnxt *bp)
464 {
465         if (bp->tfp.session) {
466                 tf_close_session(&bp->tfp);
467                 bp->tfp.session = NULL;
468         }
469 }
470
471 /*
472  * Initialize the state of an ULP session.
473  * If the state of an ULP session is not initialized, set it's state to
474  * initialized. If the state is already initialized, do nothing.
475  */
476 static void
477 ulp_context_initialized(struct bnxt_ulp_session_state *session, bool *init)
478 {
479         pthread_mutex_lock(&session->bnxt_ulp_mutex);
480
481         if (!session->bnxt_ulp_init) {
482                 session->bnxt_ulp_init = true;
483                 *init = false;
484         } else {
485                 *init = true;
486         }
487
488         pthread_mutex_unlock(&session->bnxt_ulp_mutex);
489 }
490
491 /*
492  * Check if an ULP session is already allocated for a specific PCI
493  * domain & bus. If it is already allocated simply return the session
494  * pointer, otherwise allocate a new session.
495  */
496 static struct bnxt_ulp_session_state *
497 ulp_get_session(struct rte_pci_addr *pci_addr)
498 {
499         struct bnxt_ulp_session_state *session;
500
501         STAILQ_FOREACH(session, &bnxt_ulp_session_list, next) {
502                 if (session->pci_info.domain == pci_addr->domain &&
503                     session->pci_info.bus == pci_addr->bus) {
504                         return session;
505                 }
506         }
507         return NULL;
508 }
509
510 /*
511  * Allocate and Initialize an ULP session and set it's state to INITIALIZED.
512  * If it's already initialized simply return the already existing session.
513  */
514 static struct bnxt_ulp_session_state *
515 ulp_session_init(struct bnxt *bp,
516                  bool *init)
517 {
518         struct rte_pci_device           *pci_dev;
519         struct rte_pci_addr             *pci_addr;
520         struct bnxt_ulp_session_state   *session;
521         int rc = 0;
522
523         if (!bp)
524                 return NULL;
525
526         pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
527         pci_addr = &pci_dev->addr;
528
529         pthread_mutex_lock(&bnxt_ulp_global_mutex);
530
531         session = ulp_get_session(pci_addr);
532         if (!session) {
533                 /* Not Found the session  Allocate a new one */
534                 session = rte_zmalloc("bnxt_ulp_session",
535                                       sizeof(struct bnxt_ulp_session_state),
536                                       0);
537                 if (!session) {
538                         BNXT_TF_DBG(ERR,
539                                     "Allocation failed for bnxt_ulp_session\n");
540                         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
541                         return NULL;
542
543                 } else {
544                         /* Add it to the queue */
545                         session->pci_info.domain = pci_addr->domain;
546                         session->pci_info.bus = pci_addr->bus;
547                         rc = pthread_mutex_init(&session->bnxt_ulp_mutex, NULL);
548                         if (rc) {
549                                 BNXT_TF_DBG(ERR, "mutex create failed\n");
550                                 pthread_mutex_unlock(&bnxt_ulp_global_mutex);
551                                 return NULL;
552                         }
553                         STAILQ_INSERT_TAIL(&bnxt_ulp_session_list,
554                                            session, next);
555                 }
556         }
557         ulp_context_initialized(session, init);
558         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
559         return session;
560 }
561
562 /*
563  * When a device is closed, remove it's associated session from the global
564  * session list.
565  */
566 static void
567 ulp_session_deinit(struct bnxt_ulp_session_state *session)
568 {
569         if (!session)
570                 return;
571
572         if (!session->cfg_data) {
573                 pthread_mutex_lock(&bnxt_ulp_global_mutex);
574                 STAILQ_REMOVE(&bnxt_ulp_session_list, session,
575                               bnxt_ulp_session_state, next);
576                 pthread_mutex_destroy(&session->bnxt_ulp_mutex);
577                 rte_free(session);
578                 pthread_mutex_unlock(&bnxt_ulp_global_mutex);
579         }
580 }
581
582 /*
583  * Internal api to enable NAT feature.
584  * Set set_flag to 1 to set the value or zero to reset the value.
585  * returns 0 on success.
586  */
587 static int32_t
588 bnxt_ulp_global_cfg_update(struct bnxt *bp,
589                            enum tf_dir dir,
590                            enum tf_global_config_type type,
591                            uint32_t offset,
592                            uint32_t value,
593                            uint32_t set_flag)
594 {
595         uint32_t global_cfg = 0;
596         int rc;
597         struct tf_global_cfg_parms parms = { 0 };
598
599         /* Initialize the params */
600         parms.dir = dir,
601         parms.type = type,
602         parms.offset = offset,
603         parms.config = (uint8_t *)&global_cfg,
604         parms.config_sz_in_bytes = sizeof(global_cfg);
605
606         rc = tf_get_global_cfg(&bp->tfp, &parms);
607         if (rc) {
608                 BNXT_TF_DBG(ERR, "Failed to get global cfg 0x%x rc:%d\n",
609                             type, rc);
610                 return rc;
611         }
612
613         if (set_flag)
614                 global_cfg |= value;
615         else
616                 global_cfg &= ~value;
617
618         /* SET the register RE_CFA_REG_ACT_TECT */
619         rc = tf_set_global_cfg(&bp->tfp, &parms);
620         if (rc) {
621                 BNXT_TF_DBG(ERR, "Failed to set global cfg 0x%x rc:%d\n",
622                             type, rc);
623                 return rc;
624         }
625         return rc;
626 }
627
628 /* Internal function to delete all the flows belonging to the given port */
629 static void
630 bnxt_ulp_flush_port_flows(struct bnxt *bp)
631 {
632         uint16_t func_id;
633
634         /* it is assumed that port is either TVF or PF */
635         if (ulp_port_db_port_func_id_get(bp->ulp_ctx,
636                                          bp->eth_dev->data->port_id,
637                                          &func_id)) {
638                 BNXT_TF_DBG(ERR, "Invalid argument\n");
639                 return;
640         }
641         (void)ulp_flow_db_function_flow_flush(bp->ulp_ctx, func_id);
642 }
643
644 /* Internal function to delete the VFR default flows */
645 static void
646 bnxt_ulp_destroy_vfr_default_rules(struct bnxt *bp, bool global)
647 {
648         struct bnxt_ulp_vfr_rule_info *info;
649         uint16_t port_id;
650         struct rte_eth_dev *vfr_eth_dev;
651         struct bnxt_representor *vfr_bp;
652
653         if (!BNXT_TRUFLOW_EN(bp) || BNXT_ETH_DEV_IS_REPRESENTOR(bp->eth_dev))
654                 return;
655
656         if (!bp->ulp_ctx || !bp->ulp_ctx->cfg_data)
657                 return;
658
659         /* Delete default rules for all ports */
660         for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
661                 info = &bp->ulp_ctx->cfg_data->vfr_rule_info[port_id];
662                 if (!info->valid)
663                         continue;
664
665                 if (!global && info->parent_port_id !=
666                     bp->eth_dev->data->port_id)
667                         continue;
668
669                 /* Destroy the flows */
670                 ulp_default_flow_destroy(bp->eth_dev, info->rep2vf_flow_id);
671                 ulp_default_flow_destroy(bp->eth_dev, info->vf2rep_flow_id);
672                 /* Clean up the tx action pointer */
673                 vfr_eth_dev = &rte_eth_devices[port_id];
674                 if (vfr_eth_dev) {
675                         vfr_bp = vfr_eth_dev->data->dev_private;
676                         vfr_bp->vfr_tx_cfa_action = 0;
677                 }
678                 memset(info, 0, sizeof(struct bnxt_ulp_vfr_rule_info));
679         }
680 }
681
682 /*
683  * When a port is deinit'ed by dpdk. This function is called
684  * and this function clears the ULP context and rest of the
685  * infrastructure associated with it.
686  */
687 static void
688 bnxt_ulp_deinit(struct bnxt *bp,
689                 struct bnxt_ulp_session_state *session)
690 {
691         if (!bp->ulp_ctx || !bp->ulp_ctx->cfg_data)
692                 return;
693
694         /* clean up default flows */
695         bnxt_ulp_destroy_df_rules(bp, true);
696
697         /* clean up default VFR flows */
698         bnxt_ulp_destroy_vfr_default_rules(bp, true);
699
700         /* clean up regular flows */
701         ulp_flow_db_flush_flows(bp->ulp_ctx, BNXT_ULP_REGULAR_FLOW_TABLE);
702
703         /* cleanup the eem table scope */
704         ulp_eem_tbl_scope_deinit(bp, bp->ulp_ctx);
705
706         /* cleanup the flow database */
707         ulp_flow_db_deinit(bp->ulp_ctx);
708
709         /* Delete the Mark database */
710         ulp_mark_db_deinit(bp->ulp_ctx);
711
712         /* cleanup the ulp mapper */
713         ulp_mapper_deinit(bp->ulp_ctx);
714
715         /* Delete the Flow Counter Manager */
716         ulp_fc_mgr_deinit(bp->ulp_ctx);
717
718         /* Delete the Port database */
719         ulp_port_db_deinit(bp->ulp_ctx);
720
721         /* Disable NAT feature */
722         (void)bnxt_ulp_global_cfg_update(bp, TF_DIR_RX, TF_TUNNEL_ENCAP,
723                                          TF_TUNNEL_ENCAP_NAT,
724                                          BNXT_ULP_NAT_OUTER_MOST_FLAGS, 0);
725
726         (void)bnxt_ulp_global_cfg_update(bp, TF_DIR_TX, TF_TUNNEL_ENCAP,
727                                          TF_TUNNEL_ENCAP_NAT,
728                                          BNXT_ULP_NAT_OUTER_MOST_FLAGS, 0);
729
730         /* free the flow db lock */
731         pthread_mutex_destroy(&bp->ulp_ctx->cfg_data->flow_db_lock);
732
733         /* Delete the ulp context and tf session and free the ulp context */
734         ulp_ctx_deinit(bp, session);
735         BNXT_TF_DBG(DEBUG, "ulp ctx has been deinitialized\n");
736 }
737
738 /*
739  * When a port is initialized by dpdk. This functions is called
740  * and this function initializes the ULP context and rest of the
741  * infrastructure associated with it.
742  */
743 static int32_t
744 bnxt_ulp_init(struct bnxt *bp,
745               struct bnxt_ulp_session_state *session)
746 {
747         int rc;
748
749         /* Allocate and Initialize the ulp context. */
750         rc = ulp_ctx_init(bp, session);
751         if (rc) {
752                 BNXT_TF_DBG(ERR, "Failed to create the ulp context\n");
753                 goto jump_to_error;
754         }
755
756         rc = pthread_mutex_init(&bp->ulp_ctx->cfg_data->flow_db_lock, NULL);
757         if (rc) {
758                 BNXT_TF_DBG(ERR, "Unable to initialize flow db lock\n");
759                 goto jump_to_error;
760         }
761
762         /* Initialize ulp dparms with values devargs passed */
763         rc = ulp_dparms_init(bp, bp->ulp_ctx);
764         if (rc) {
765                 BNXT_TF_DBG(ERR, "Failed to initialize the dparms\n");
766                 goto jump_to_error;
767         }
768
769         /* create the port database */
770         rc = ulp_port_db_init(bp->ulp_ctx, bp->port_cnt);
771         if (rc) {
772                 BNXT_TF_DBG(ERR, "Failed to create the port database\n");
773                 goto jump_to_error;
774         }
775
776         /* Create the Mark database. */
777         rc = ulp_mark_db_init(bp->ulp_ctx);
778         if (rc) {
779                 BNXT_TF_DBG(ERR, "Failed to create the mark database\n");
780                 goto jump_to_error;
781         }
782
783         /* Create the flow database. */
784         rc = ulp_flow_db_init(bp->ulp_ctx);
785         if (rc) {
786                 BNXT_TF_DBG(ERR, "Failed to create the flow database\n");
787                 goto jump_to_error;
788         }
789
790         /* Create the eem table scope. */
791         rc = ulp_eem_tbl_scope_init(bp);
792         if (rc) {
793                 BNXT_TF_DBG(ERR, "Failed to create the eem scope table\n");
794                 goto jump_to_error;
795         }
796
797         rc = ulp_mapper_init(bp->ulp_ctx);
798         if (rc) {
799                 BNXT_TF_DBG(ERR, "Failed to initialize ulp mapper\n");
800                 goto jump_to_error;
801         }
802
803         rc = ulp_fc_mgr_init(bp->ulp_ctx);
804         if (rc) {
805                 BNXT_TF_DBG(ERR, "Failed to initialize ulp flow counter mgr\n");
806                 goto jump_to_error;
807         }
808
809         /*
810          * Enable NAT feature. Set the global configuration register
811          * Tunnel encap to enable NAT with the reuse of existing inner
812          * L2 header smac and dmac
813          */
814         rc = bnxt_ulp_global_cfg_update(bp, TF_DIR_RX, TF_TUNNEL_ENCAP,
815                                         TF_TUNNEL_ENCAP_NAT,
816                                         BNXT_ULP_NAT_OUTER_MOST_FLAGS, 1);
817         if (rc) {
818                 BNXT_TF_DBG(ERR, "Failed to set rx global configuration\n");
819                 goto jump_to_error;
820         }
821
822         rc = bnxt_ulp_global_cfg_update(bp, TF_DIR_TX, TF_TUNNEL_ENCAP,
823                                         TF_TUNNEL_ENCAP_NAT,
824                                         BNXT_ULP_NAT_OUTER_MOST_FLAGS, 1);
825         if (rc) {
826                 BNXT_TF_DBG(ERR, "Failed to set tx global configuration\n");
827                 goto jump_to_error;
828         }
829         BNXT_TF_DBG(DEBUG, "ulp ctx has been initialized\n");
830         return rc;
831
832 jump_to_error:
833         bnxt_ulp_deinit(bp, session);
834         return rc;
835 }
836
837 /*
838  * When a port is initialized by dpdk. This functions sets up
839  * the port specific details.
840  */
841 int32_t
842 bnxt_ulp_port_init(struct bnxt *bp)
843 {
844         struct bnxt_ulp_session_state *session;
845         bool initialized;
846         int32_t rc = 0;
847
848         if (!bp || !BNXT_TRUFLOW_EN(bp))
849                 return rc;
850
851         if (!BNXT_PF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
852                 BNXT_TF_DBG(ERR,
853                             "Skip ulp init for port: %d, not a TVF or PF\n",
854                         bp->eth_dev->data->port_id);
855                 return rc;
856         }
857
858         if (bp->ulp_ctx) {
859                 BNXT_TF_DBG(DEBUG, "ulp ctx already allocated\n");
860                 return rc;
861         }
862
863         bp->ulp_ctx = rte_zmalloc("bnxt_ulp_ctx",
864                                   sizeof(struct bnxt_ulp_context), 0);
865         if (!bp->ulp_ctx) {
866                 BNXT_TF_DBG(ERR, "Failed to allocate ulp ctx\n");
867                 return -ENOMEM;
868         }
869
870         /*
871          * Multiple uplink ports can be associated with a single vswitch.
872          * Make sure only the port that is started first will initialize
873          * the TF session.
874          */
875         session = ulp_session_init(bp, &initialized);
876         if (!session) {
877                 BNXT_TF_DBG(ERR, "Failed to initialize the tf session\n");
878                 rc = -EIO;
879                 goto jump_to_error;
880         }
881
882         if (initialized) {
883                 /*
884                  * If ULP is already initialized for a specific domain then
885                  * simply assign the ulp context to this rte_eth_dev.
886                  */
887                 rc = ulp_ctx_attach(bp, session);
888                 if (rc) {
889                         BNXT_TF_DBG(ERR, "Failed to attach the ulp context\n");
890                         goto jump_to_error;
891                 }
892         } else {
893                 rc = bnxt_ulp_init(bp, session);
894                 if (rc) {
895                         BNXT_TF_DBG(ERR, "Failed to initialize the ulp init\n");
896                         goto jump_to_error;
897                 }
898         }
899
900         /* Update bnxt driver flags */
901         rc = ulp_dparms_dev_port_intf_update(bp, bp->ulp_ctx);
902         if (rc) {
903                 BNXT_TF_DBG(ERR, "Failed to update driver flags\n");
904                 goto jump_to_error;
905         }
906
907         /* update the port database for the given interface */
908         rc = ulp_port_db_dev_port_intf_update(bp->ulp_ctx, bp->eth_dev);
909         if (rc) {
910                 BNXT_TF_DBG(ERR, "Failed to update port database\n");
911                 goto jump_to_error;
912         }
913         /* create the default rules */
914         bnxt_ulp_create_df_rules(bp);
915         BNXT_TF_DBG(DEBUG, "BNXT Port:%d ULP port init\n",
916                     bp->eth_dev->data->port_id);
917         return rc;
918
919 jump_to_error:
920         bnxt_ulp_port_deinit(bp);
921         return rc;
922 }
923
924 /*
925  * When a port is de-initialized by dpdk. This functions clears up
926  * the port specific details.
927  */
928 void
929 bnxt_ulp_port_deinit(struct bnxt *bp)
930 {
931         struct bnxt_ulp_session_state *session;
932         struct rte_pci_device *pci_dev;
933         struct rte_pci_addr *pci_addr;
934
935         if (!BNXT_TRUFLOW_EN(bp))
936                 return;
937
938         if (!BNXT_PF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
939                 BNXT_TF_DBG(ERR,
940                             "Skip ULP deinit port:%d, not a TVF or PF\n",
941                             bp->eth_dev->data->port_id);
942                 return;
943         }
944
945         if (!bp->ulp_ctx) {
946                 BNXT_TF_DBG(DEBUG, "ulp ctx already de-allocated\n");
947                 return;
948         }
949
950         BNXT_TF_DBG(DEBUG, "BNXT Port:%d ULP port deinit\n",
951                     bp->eth_dev->data->port_id);
952
953         /* Get the session details  */
954         pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
955         pci_addr = &pci_dev->addr;
956         pthread_mutex_lock(&bnxt_ulp_global_mutex);
957         session = ulp_get_session(pci_addr);
958         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
959
960         /* session not found then just exit */
961         if (!session) {
962                 /* Free the ulp context */
963                 rte_free(bp->ulp_ctx);
964                 bp->ulp_ctx = NULL;
965                 return;
966         }
967
968         /* Check the reference count to deinit or deattach*/
969         if (bp->ulp_ctx->cfg_data && bp->ulp_ctx->cfg_data->ref_cnt) {
970                 bp->ulp_ctx->cfg_data->ref_cnt--;
971                 if (bp->ulp_ctx->cfg_data->ref_cnt) {
972                         /* free the port details */
973                         /* Free the default flow rule associated to this port */
974                         bnxt_ulp_destroy_df_rules(bp, false);
975                         bnxt_ulp_destroy_vfr_default_rules(bp, false);
976
977                         /* free flows associated with this port */
978                         bnxt_ulp_flush_port_flows(bp);
979
980                         /* close the session associated with this port */
981                         ulp_ctx_detach(bp);
982                 } else {
983                         /* Perform ulp ctx deinit */
984                         bnxt_ulp_deinit(bp, session);
985                 }
986         }
987
988         /* clean up the session */
989         ulp_session_deinit(session);
990
991         /* Free the ulp context */
992         rte_free(bp->ulp_ctx);
993         bp->ulp_ctx = NULL;
994 }
995
996 /* Below are the access functions to access internal data of ulp context. */
997 /* Function to set the Mark DB into the context */
998 int32_t
999 bnxt_ulp_cntxt_ptr2_mark_db_set(struct bnxt_ulp_context *ulp_ctx,
1000                                 struct bnxt_ulp_mark_tbl *mark_tbl)
1001 {
1002         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1003                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1004                 return -EINVAL;
1005         }
1006
1007         ulp_ctx->cfg_data->mark_tbl = mark_tbl;
1008
1009         return 0;
1010 }
1011
1012 /* Function to retrieve the Mark DB from the context. */
1013 struct bnxt_ulp_mark_tbl *
1014 bnxt_ulp_cntxt_ptr2_mark_db_get(struct bnxt_ulp_context *ulp_ctx)
1015 {
1016         if (!ulp_ctx || !ulp_ctx->cfg_data)
1017                 return NULL;
1018
1019         return ulp_ctx->cfg_data->mark_tbl;
1020 }
1021
1022 /* Function to set the device id of the hardware. */
1023 int32_t
1024 bnxt_ulp_cntxt_dev_id_set(struct bnxt_ulp_context *ulp_ctx,
1025                           uint32_t dev_id)
1026 {
1027         if (ulp_ctx && ulp_ctx->cfg_data) {
1028                 ulp_ctx->cfg_data->dev_id = dev_id;
1029                 return 0;
1030         }
1031
1032         return -EINVAL;
1033 }
1034
1035 /* Function to get the device id of the hardware. */
1036 int32_t
1037 bnxt_ulp_cntxt_dev_id_get(struct bnxt_ulp_context *ulp_ctx,
1038                           uint32_t *dev_id)
1039 {
1040         if (ulp_ctx && ulp_ctx->cfg_data) {
1041                 *dev_id = ulp_ctx->cfg_data->dev_id;
1042                 return 0;
1043         }
1044
1045         return -EINVAL;
1046 }
1047
1048 /* Function to get the table scope id of the EEM table. */
1049 int32_t
1050 bnxt_ulp_cntxt_tbl_scope_id_get(struct bnxt_ulp_context *ulp_ctx,
1051                                 uint32_t *tbl_scope_id)
1052 {
1053         if (ulp_ctx && ulp_ctx->cfg_data) {
1054                 *tbl_scope_id = ulp_ctx->cfg_data->tbl_scope_id;
1055                 return 0;
1056         }
1057
1058         return -EINVAL;
1059 }
1060
1061 /* Function to set the table scope id of the EEM table. */
1062 int32_t
1063 bnxt_ulp_cntxt_tbl_scope_id_set(struct bnxt_ulp_context *ulp_ctx,
1064                                 uint32_t tbl_scope_id)
1065 {
1066         if (ulp_ctx && ulp_ctx->cfg_data) {
1067                 ulp_ctx->cfg_data->tbl_scope_id = tbl_scope_id;
1068                 return 0;
1069         }
1070
1071         return -EINVAL;
1072 }
1073
1074 /* Function to set the tfp session details from the ulp context. */
1075 int32_t
1076 bnxt_ulp_cntxt_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp)
1077 {
1078         if (!ulp) {
1079                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1080                 return -EINVAL;
1081         }
1082
1083         ulp->g_tfp = tfp;
1084         return 0;
1085 }
1086
1087 /* Function to get the tfp session details from the ulp context. */
1088 struct tf *
1089 bnxt_ulp_cntxt_tfp_get(struct bnxt_ulp_context *ulp)
1090 {
1091         if (!ulp) {
1092                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1093                 return NULL;
1094         }
1095         return ulp->g_tfp;
1096 }
1097
1098 /*
1099  * Get the device table entry based on the device id.
1100  *
1101  * dev_id [in] The device id of the hardware
1102  *
1103  * Returns the pointer to the device parameters.
1104  */
1105 struct bnxt_ulp_device_params *
1106 bnxt_ulp_device_params_get(uint32_t dev_id)
1107 {
1108         if (dev_id < BNXT_ULP_MAX_NUM_DEVICES)
1109                 return &ulp_device_params[dev_id];
1110         return NULL;
1111 }
1112
1113 /* Function to set the flow database to the ulp context. */
1114 int32_t
1115 bnxt_ulp_cntxt_ptr2_flow_db_set(struct bnxt_ulp_context *ulp_ctx,
1116                                 struct bnxt_ulp_flow_db *flow_db)
1117 {
1118         if (!ulp_ctx || !ulp_ctx->cfg_data)
1119                 return -EINVAL;
1120
1121         ulp_ctx->cfg_data->flow_db = flow_db;
1122         return 0;
1123 }
1124
1125 /* Function to get the flow database from the ulp context. */
1126 struct bnxt_ulp_flow_db *
1127 bnxt_ulp_cntxt_ptr2_flow_db_get(struct bnxt_ulp_context *ulp_ctx)
1128 {
1129         if (!ulp_ctx || !ulp_ctx->cfg_data)
1130                 return NULL;
1131
1132         return ulp_ctx->cfg_data->flow_db;
1133 }
1134
1135 /* Function to get the ulp context from eth device. */
1136 struct bnxt_ulp_context *
1137 bnxt_ulp_eth_dev_ptr2_cntxt_get(struct rte_eth_dev      *dev)
1138 {
1139         struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
1140
1141         if (BNXT_ETH_DEV_IS_REPRESENTOR(dev)) {
1142                 struct bnxt_representor *vfr = dev->data->dev_private;
1143
1144                 bp = vfr->parent_dev->data->dev_private;
1145         }
1146
1147         if (!bp) {
1148                 BNXT_TF_DBG(ERR, "Bnxt private data is not initialized\n");
1149                 return NULL;
1150         }
1151         return bp->ulp_ctx;
1152 }
1153
1154 int32_t
1155 bnxt_ulp_cntxt_ptr2_mapper_data_set(struct bnxt_ulp_context *ulp_ctx,
1156                                     void *mapper_data)
1157 {
1158         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1159                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1160                 return -EINVAL;
1161         }
1162
1163         ulp_ctx->cfg_data->mapper_data = mapper_data;
1164         return 0;
1165 }
1166
1167 void *
1168 bnxt_ulp_cntxt_ptr2_mapper_data_get(struct bnxt_ulp_context *ulp_ctx)
1169 {
1170         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1171                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1172                 return NULL;
1173         }
1174
1175         return ulp_ctx->cfg_data->mapper_data;
1176 }
1177
1178 /* Function to set the port database to the ulp context. */
1179 int32_t
1180 bnxt_ulp_cntxt_ptr2_port_db_set(struct bnxt_ulp_context *ulp_ctx,
1181                                 struct bnxt_ulp_port_db *port_db)
1182 {
1183         if (!ulp_ctx || !ulp_ctx->cfg_data)
1184                 return -EINVAL;
1185
1186         ulp_ctx->cfg_data->port_db = port_db;
1187         return 0;
1188 }
1189
1190 /* Function to get the port database from the ulp context. */
1191 struct bnxt_ulp_port_db *
1192 bnxt_ulp_cntxt_ptr2_port_db_get(struct bnxt_ulp_context *ulp_ctx)
1193 {
1194         if (!ulp_ctx || !ulp_ctx->cfg_data)
1195                 return NULL;
1196
1197         return ulp_ctx->cfg_data->port_db;
1198 }
1199
1200 /* Function to set the flow counter info into the context */
1201 int32_t
1202 bnxt_ulp_cntxt_ptr2_fc_info_set(struct bnxt_ulp_context *ulp_ctx,
1203                                 struct bnxt_ulp_fc_info *ulp_fc_info)
1204 {
1205         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1206                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1207                 return -EINVAL;
1208         }
1209
1210         ulp_ctx->cfg_data->fc_info = ulp_fc_info;
1211
1212         return 0;
1213 }
1214
1215 /* Function to retrieve the flow counter info from the context. */
1216 struct bnxt_ulp_fc_info *
1217 bnxt_ulp_cntxt_ptr2_fc_info_get(struct bnxt_ulp_context *ulp_ctx)
1218 {
1219         if (!ulp_ctx || !ulp_ctx->cfg_data)
1220                 return NULL;
1221
1222         return ulp_ctx->cfg_data->fc_info;
1223 }
1224
1225 /* Function to get the ulp flags from the ulp context. */
1226 int32_t
1227 bnxt_ulp_cntxt_ptr2_ulp_flags_get(struct bnxt_ulp_context *ulp_ctx,
1228                                   uint32_t *flags)
1229 {
1230         if (!ulp_ctx || !ulp_ctx->cfg_data)
1231                 return -1;
1232
1233         *flags =  ulp_ctx->cfg_data->ulp_flags;
1234         return 0;
1235 }
1236
1237 /* Function to get the ulp vfr info from the ulp context. */
1238 struct bnxt_ulp_vfr_rule_info*
1239 bnxt_ulp_cntxt_ptr2_ulp_vfr_info_get(struct bnxt_ulp_context *ulp_ctx,
1240                                      uint32_t port_id)
1241 {
1242         if (!ulp_ctx || !ulp_ctx->cfg_data || port_id >= RTE_MAX_ETHPORTS)
1243                 return NULL;
1244
1245         return &ulp_ctx->cfg_data->vfr_rule_info[port_id];
1246 }
1247
1248 /* Function to acquire the flow database lock from the ulp context. */
1249 int32_t
1250 bnxt_ulp_cntxt_acquire_fdb_lock(struct bnxt_ulp_context *ulp_ctx)
1251 {
1252         if (!ulp_ctx || !ulp_ctx->cfg_data)
1253                 return -1;
1254
1255         if (pthread_mutex_lock(&ulp_ctx->cfg_data->flow_db_lock)) {
1256                 BNXT_TF_DBG(ERR, "unable to acquire fdb lock\n");
1257                 return -1;
1258         }
1259         return 0;
1260 }
1261
1262 /* Function to release the flow database lock from the ulp context. */
1263 void
1264 bnxt_ulp_cntxt_release_fdb_lock(struct bnxt_ulp_context *ulp_ctx)
1265 {
1266         if (!ulp_ctx || !ulp_ctx->cfg_data)
1267                 return;
1268
1269         pthread_mutex_unlock(&ulp_ctx->cfg_data->flow_db_lock);
1270 }