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_ulp.h"
  13 #include "bnxt_tf_common.h"
  14 #include "bnxt.h"
  15 #include "tf_core.h"
  16 #include "tf_ext_flow_handle.h"
  17
  18 #include "ulp_template_db.h"
  19 #include "ulp_template_struct.h"
  20 #include "ulp_mark_mgr.h"
  21 #include "ulp_flow_db.h"
  22 #include "ulp_mapper.h"
  23 #include "ulp_port_db.h"
  24
  25 /* Linked list of all TF sessions. */
  26 STAILQ_HEAD(, bnxt_ulp_session_state) bnxt_ulp_session_list =
  27                         STAILQ_HEAD_INITIALIZER(bnxt_ulp_session_list);
  28
  29 /* Mutex to synchronize bnxt_ulp_session_list operations. */
  30 static pthread_mutex_t bnxt_ulp_global_mutex = PTHREAD_MUTEX_INITIALIZER;
  31
  32 /*
  33  * Allow the deletion of context only for the bnxt device that
  34  * created the session
  35  * TBD - The implementation of the function should change to
  36  * using the reference count once tf_session_attach functionality
  37  * is fixed.
  38  */
  39 bool
  40 ulp_ctx_deinit_allowed(void *ptr)
  41 {
  42         struct bnxt *bp = (struct bnxt *)ptr;
  43
  44         if (!bp)
  45                 return 0;
  46
  47         if (&bp->tfp == bp->ulp_ctx->g_tfp)
  48                 return 1;
  49
  50         return 0;
  51 }
  52
  53 /*
  54  * Initialize an ULP session.
  55  * An ULP session will contain all the resources needed to support rte flow
  56  * offloads. A session is initialized as part of rte_eth_device start.
  57  * A single vswitch instance can have multiple uplinks which means
  58  * rte_eth_device start will be called for each of these devices.
  59  * ULP session manager will make sure that a single ULP session is only
  60  * initialized once. Apart from this, it also initializes MARK database,
  61  * EEM table & flow database. ULP session manager also manages a list of
  62  * all opened ULP sessions.
  63  */
  64 static int32_t
  65 ulp_ctx_session_open(struct bnxt *bp,
  66                      struct bnxt_ulp_session_state *session)
  67 {
  68         struct rte_eth_dev              *ethdev = bp->eth_dev;
  69         int32_t                         rc = 0;
  70         struct tf_open_session_parms    params;
  71
  72         memset(&params, 0, sizeof(params));
  73
  74         rc = rte_eth_dev_get_name_by_port(ethdev->data->port_id,
  75                                           params.ctrl_chan_name);
  76         if (rc) {
  77                 BNXT_TF_DBG(ERR, "Invalid port %d, rc = %d\n",
  78                             ethdev->data->port_id, rc);
  79                 return rc;
  80         }
  81
  82         rc = tf_open_session(&bp->tfp, &params);
  83         if (rc) {
  84                 BNXT_TF_DBG(ERR, "Failed to open TF session - %s, rc = %d\n",
  85                             params.ctrl_chan_name, rc);
  86                 return -EINVAL;
  87         }
  88         session->session_opened = 1;
  89         session->g_tfp = &bp->tfp;
  90         return rc;
  91 }
  92
  93 /*
  94  * Close the ULP session.
  95  * It takes the ulp context pointer.
  96  */
  97 static void
  98 ulp_ctx_session_close(struct bnxt *bp,
  99                       struct bnxt_ulp_session_state *session)
 100 {
 101         /* close the session in the hardware */
 102         if (session->session_opened)
 103                 tf_close_session(&bp->tfp);
 104         session->session_opened = 0;
 105         session->g_tfp = NULL;
 106         bp->ulp_ctx->g_tfp = NULL;
 107 }
 108
 109 static void
 110 bnxt_init_tbl_scope_parms(struct bnxt *bp,
 111                           struct tf_alloc_tbl_scope_parms *params)
 112 {
 113         struct bnxt_ulp_device_params   *dparms;
 114         uint32_t dev_id;
 115         int rc;
 116
 117         rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id);
 118         if (rc)
 119                 /* TBD: For now, just use default. */
 120                 dparms = 0;
 121         else
 122                 dparms = bnxt_ulp_device_params_get(dev_id);
 123
 124         /*
 125          * Set the flush timer for EEM entries. The value is in 100ms intervals,
 126          * so 100 is 10s.
 127          */
 128         params->hw_flow_cache_flush_timer = 100;
 129
 130         if (!dparms) {
 131                 params->rx_max_key_sz_in_bits = BNXT_ULP_DFLT_RX_MAX_KEY;
 132                 params->rx_max_action_entry_sz_in_bits =
 133                         BNXT_ULP_DFLT_RX_MAX_ACTN_ENTRY;
 134                 params->rx_mem_size_in_mb = BNXT_ULP_DFLT_RX_MEM;
 135                 params->rx_num_flows_in_k = BNXT_ULP_RX_NUM_FLOWS;
 136                 params->rx_tbl_if_id = BNXT_ULP_RX_TBL_IF_ID;
 137
 138                 params->tx_max_key_sz_in_bits = BNXT_ULP_DFLT_TX_MAX_KEY;
 139                 params->tx_max_action_entry_sz_in_bits =
 140                         BNXT_ULP_DFLT_TX_MAX_ACTN_ENTRY;
 141                 params->tx_mem_size_in_mb = BNXT_ULP_DFLT_TX_MEM;
 142                 params->tx_num_flows_in_k = BNXT_ULP_TX_NUM_FLOWS;
 143                 params->tx_tbl_if_id = BNXT_ULP_TX_TBL_IF_ID;
 144         } else {
 145                 params->rx_max_key_sz_in_bits = BNXT_ULP_DFLT_RX_MAX_KEY;
 146                 params->rx_max_action_entry_sz_in_bits =
 147                         BNXT_ULP_DFLT_RX_MAX_ACTN_ENTRY;
 148                 params->rx_mem_size_in_mb = BNXT_ULP_DFLT_RX_MEM;
 149                 params->rx_num_flows_in_k = dparms->num_flows / (1024);
 150                 params->rx_tbl_if_id = BNXT_ULP_RX_TBL_IF_ID;
 151
 152                 params->tx_max_key_sz_in_bits = BNXT_ULP_DFLT_TX_MAX_KEY;
 153                 params->tx_max_action_entry_sz_in_bits =
 154                         BNXT_ULP_DFLT_TX_MAX_ACTN_ENTRY;
 155                 params->tx_mem_size_in_mb = BNXT_ULP_DFLT_TX_MEM;
 156                 params->tx_num_flows_in_k = dparms->num_flows / (1024);
 157                 params->tx_tbl_if_id = BNXT_ULP_TX_TBL_IF_ID;
 158         }
 159 }
 160
 161 /* Initialize Extended Exact Match host memory. */
 162 static int32_t
 163 ulp_eem_tbl_scope_init(struct bnxt *bp)
 164 {
 165         struct tf_alloc_tbl_scope_parms params = {0};
 166         int rc;
 167
 168         bnxt_init_tbl_scope_parms(bp, &params);
 169
 170         rc = tf_alloc_tbl_scope(&bp->tfp, &params);
 171         if (rc) {
 172                 BNXT_TF_DBG(ERR, "Unable to allocate eem table scope rc = %d\n",
 173                             rc);
 174                 return rc;
 175         }
 176
 177         rc = bnxt_ulp_cntxt_tbl_scope_id_set(bp->ulp_ctx, params.tbl_scope_id);
 178         if (rc) {
 179                 BNXT_TF_DBG(ERR, "Unable to set table scope id\n");
 180                 return rc;
 181         }
 182
 183         return 0;
 184 }
 185
 186 /* Free Extended Exact Match host memory */
 187 static int32_t
 188 ulp_eem_tbl_scope_deinit(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 189 {
 190         struct tf_free_tbl_scope_parms  params = {0};
 191         struct tf                       *tfp;
 192         int32_t                         rc = 0;
 193
 194         if (!ulp_ctx || !ulp_ctx->cfg_data)
 195                 return -EINVAL;
 196
 197         /* Free the resources for the last device */
 198         if (!ulp_ctx_deinit_allowed(bp))
 199                 return rc;
 200
 201         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
 202         if (!tfp) {
 203                 BNXT_TF_DBG(ERR, "Failed to get the truflow pointer\n");
 204                 return -EINVAL;
 205         }
 206
 207         rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp_ctx, &params.tbl_scope_id);
 208         if (rc) {
 209                 BNXT_TF_DBG(ERR, "Failed to get the table scope id\n");
 210                 return -EINVAL;
 211         }
 212
 213         rc = tf_free_tbl_scope(tfp, &params);
 214         if (rc) {
 215                 BNXT_TF_DBG(ERR, "Unable to free table scope\n");
 216                 return -EINVAL;
 217         }
 218         return rc;
 219 }
 220
 221 /* The function to free and deinit the ulp context data. */
 222 static int32_t
 223 ulp_ctx_deinit(struct bnxt *bp,
 224                struct bnxt_ulp_session_state *session)
 225 {
 226         if (!session || !bp) {
 227                 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
 228                 return -EINVAL;
 229         }
 230
 231         /* close the tf session */
 232         ulp_ctx_session_close(bp, session);
 233
 234         /* Free the contents */
 235         if (session->cfg_data) {
 236                 rte_free(session->cfg_data);
 237                 bp->ulp_ctx->cfg_data = NULL;
 238                 session->cfg_data = NULL;
 239         }
 240         return 0;
 241 }
 242
 243 /* The function to allocate and initialize the ulp context data. */
 244 static int32_t
 245 ulp_ctx_init(struct bnxt *bp,
 246              struct bnxt_ulp_session_state *session)
 247 {
 248         struct bnxt_ulp_data    *ulp_data;
 249         int32_t                 rc = 0;
 250
 251         if (!session || !bp) {
 252                 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
 253                 return -EINVAL;
 254         }
 255
 256         /* Allocate memory to hold ulp context data. */
 257         ulp_data = rte_zmalloc("bnxt_ulp_data",
 258                                sizeof(struct bnxt_ulp_data), 0);
 259         if (!ulp_data) {
 260                 BNXT_TF_DBG(ERR, "Failed to allocate memory for ulp data\n");
 261                 return -ENOMEM;
 262         }
 263
 264         /* Increment the ulp context data reference count usage. */
 265         bp->ulp_ctx->cfg_data = ulp_data;
 266         session->cfg_data = ulp_data;
 267         ulp_data->ref_cnt++;
 268
 269         /* Open the ulp session. */
 270         rc = ulp_ctx_session_open(bp, session);
 271         if (rc) {
 272                 (void)ulp_ctx_deinit(bp, session);
 273                 return rc;
 274         }
 275         bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, session->g_tfp);
 276         return rc;
 277 }
 278
 279 /* The function to initialize ulp dparms with devargs */
 280 static int32_t
 281 ulp_dparms_init(struct bnxt *bp,
 282                 struct bnxt_ulp_context *ulp_ctx)
 283 {
 284         struct bnxt_ulp_device_params *dparms;
 285         uint32_t dev_id;
 286
 287         if (!bp->max_num_kflows)
 288                 return -EINVAL;
 289
 290         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id)) {
 291                 BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
 292                 return -EINVAL;
 293         }
 294
 295         dparms = bnxt_ulp_device_params_get(dev_id);
 296         if (!dparms) {
 297                 BNXT_TF_DBG(DEBUG, "Failed to get device parms\n");
 298                 return -EINVAL;
 299         }
 300
 301         /* num_flows = max_num_kflows * 1024 */
 302         dparms->num_flows = bp->max_num_kflows * 1024;
 303         /* GFID =  2 * num_flows */
 304         dparms->gfid_entries = dparms->num_flows * 2;
 305         BNXT_TF_DBG(DEBUG, "Set the number of flows = %"PRIu64"\n",
 306                     dparms->num_flows);
 307
 308         return 0;
 309 }
 310
 311 static int32_t
 312 ulp_ctx_attach(struct bnxt_ulp_context *ulp_ctx,
 313                struct bnxt_ulp_session_state *session)
 314 {
 315         if (!ulp_ctx || !session) {
 316                 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
 317                 return -EINVAL;
 318         }
 319
 320         /* Increment the ulp context data reference count usage. */
 321         ulp_ctx->cfg_data = session->cfg_data;
 322         ulp_ctx->cfg_data->ref_cnt++;
 323
 324         /* TBD call TF_session_attach. */
 325         ulp_ctx->g_tfp = session->g_tfp;
 326         return 0;
 327 }
 328
 329 static int32_t
 330 ulp_ctx_detach(struct bnxt *bp,
 331                struct bnxt_ulp_session_state *session)
 332 {
 333         struct bnxt_ulp_context *ulp_ctx;
 334
 335         if (!bp || !session) {
 336                 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
 337                 return -EINVAL;
 338         }
 339         ulp_ctx = bp->ulp_ctx;
 340
 341         if (!ulp_ctx->cfg_data)
 342                 return 0;
 343
 344         /* TBD call TF_session_detach */
 345
 346         /* Increment the ulp context data reference count usage. */
 347         if (ulp_ctx->cfg_data->ref_cnt >= 1) {
 348                 ulp_ctx->cfg_data->ref_cnt--;
 349                 if (ulp_ctx_deinit_allowed(bp))
 350                         ulp_ctx_deinit(bp, session);
 351                 ulp_ctx->cfg_data = NULL;
 352                 ulp_ctx->g_tfp = NULL;
 353                 return 0;
 354         }
 355         BNXT_TF_DBG(ERR, "context deatach on invalid data\n");
 356         return 0;
 357 }
 358
 359 /*
 360  * Initialize the state of an ULP session.
 361  * If the state of an ULP session is not initialized, set it's state to
 362  * initialized. If the state is already initialized, do nothing.
 363  */
 364 static void
 365 ulp_context_initialized(struct bnxt_ulp_session_state *session, bool *init)
 366 {
 367         pthread_mutex_lock(&session->bnxt_ulp_mutex);
 368
 369         if (!session->bnxt_ulp_init) {
 370                 session->bnxt_ulp_init = true;
 371                 *init = false;
 372         } else {
 373                 *init = true;
 374         }
 375
 376         pthread_mutex_unlock(&session->bnxt_ulp_mutex);
 377 }
 378
 379 /*
 380  * Check if an ULP session is already allocated for a specific PCI
 381  * domain & bus. If it is already allocated simply return the session
 382  * pointer, otherwise allocate a new session.
 383  */
 384 static struct bnxt_ulp_session_state *
 385 ulp_get_session(struct rte_pci_addr *pci_addr)
 386 {
 387         struct bnxt_ulp_session_state *session;
 388
 389         STAILQ_FOREACH(session, &bnxt_ulp_session_list, next) {
 390                 if (session->pci_info.domain == pci_addr->domain &&
 391                     session->pci_info.bus == pci_addr->bus) {
 392                         return session;
 393                 }
 394         }
 395         return NULL;
 396 }
 397
 398 /*
 399  * Allocate and Initialize an ULP session and set it's state to INITIALIZED.
 400  * If it's already initialized simply return the already existing session.
 401  */
 402 static struct bnxt_ulp_session_state *
 403 ulp_session_init(struct bnxt *bp,
 404                  bool *init)
 405 {
 406         struct rte_pci_device           *pci_dev;
 407         struct rte_pci_addr             *pci_addr;
 408         struct bnxt_ulp_session_state   *session;
 409
 410         if (!bp)
 411                 return NULL;
 412
 413         pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
 414         pci_addr = &pci_dev->addr;
 415
 416         pthread_mutex_lock(&bnxt_ulp_global_mutex);
 417
 418         session = ulp_get_session(pci_addr);
 419         if (!session) {
 420                 /* Not Found the session  Allocate a new one */
 421                 session = rte_zmalloc("bnxt_ulp_session",
 422                                       sizeof(struct bnxt_ulp_session_state),
 423                                       0);
 424                 if (!session) {
 425                         BNXT_TF_DBG(ERR,
 426                                     "Allocation failed for bnxt_ulp_session\n");
 427                         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
 428                         return NULL;
 429
 430                 } else {
 431                         /* Add it to the queue */
 432                         session->pci_info.domain = pci_addr->domain;
 433                         session->pci_info.bus = pci_addr->bus;
 434                         pthread_mutex_init(&session->bnxt_ulp_mutex, NULL);
 435                         STAILQ_INSERT_TAIL(&bnxt_ulp_session_list,
 436                                            session, next);
 437                 }
 438         }
 439         ulp_context_initialized(session, init);
 440         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
 441         return session;
 442 }
 443
 444 /*
 445  * When a device is closed, remove it's associated session from the global
 446  * session list.
 447  */
 448 static void
 449 ulp_session_deinit(struct bnxt_ulp_session_state *session)
 450 {
 451         if (!session)
 452                 return;
 453
 454         if (!session->cfg_data) {
 455                 pthread_mutex_lock(&bnxt_ulp_global_mutex);
 456                 STAILQ_REMOVE(&bnxt_ulp_session_list, session,
 457                               bnxt_ulp_session_state, next);
 458                 pthread_mutex_destroy(&session->bnxt_ulp_mutex);
 459                 rte_free(session);
 460                 pthread_mutex_unlock(&bnxt_ulp_global_mutex);
 461         }
 462 }
 463
 464 /*
 465  * When a port is initialized by dpdk. This functions is called
 466  * and this function initializes the ULP context and rest of the
 467  * infrastructure associated with it.
 468  */
 469 int32_t
 470 bnxt_ulp_init(struct bnxt *bp)
 471 {
 472         struct bnxt_ulp_session_state *session;
 473         bool init;
 474         int rc;
 475
 476         if (bp->ulp_ctx) {
 477                 BNXT_TF_DBG(ERR, "ulp ctx already allocated\n");
 478                 return -EINVAL;
 479         }
 480
 481         /*
 482          * Multiple uplink ports can be associated with a single vswitch.
 483          * Make sure only the port that is started first will initialize
 484          * the TF session.
 485          */
 486         session = ulp_session_init(bp, &init);
 487         if (!session) {
 488                 BNXT_TF_DBG(ERR, "Failed to initialize the tf session\n");
 489                 return -EINVAL;
 490         }
 491
 492         bp->ulp_ctx = rte_zmalloc("bnxt_ulp_ctx",
 493                                   sizeof(struct bnxt_ulp_context), 0);
 494         if (!bp->ulp_ctx) {
 495                 BNXT_TF_DBG(ERR, "Failed to allocate ulp ctx\n");
 496                 ulp_session_deinit(session);
 497                 return -ENOMEM;
 498         }
 499
 500         /*
 501          * If ULP is already initialized for a specific domain then simply
 502          * assign the ulp context to this rte_eth_dev.
 503          */
 504         if (init) {
 505                 rc = ulp_ctx_attach(bp->ulp_ctx, session);
 506                 if (rc) {
 507                         BNXT_TF_DBG(ERR,
 508                                     "Failed to attach the ulp context\n");
 509                         ulp_session_deinit(session);
 510                         rte_free(bp->ulp_ctx);
 511                         return rc;
 512                 }
 513                 /* update the port database */
 514                 rc = ulp_port_db_dev_port_intf_update(bp->ulp_ctx, bp);
 515                 if (rc) {
 516                         BNXT_TF_DBG(ERR,
 517                                     "Failed to update port database\n");
 518                         ulp_ctx_detach(bp, session);
 519                         ulp_session_deinit(session);
 520                         rte_free(bp->ulp_ctx);
 521                 }
 522                 return rc;
 523         }
 524
 525         /* Allocate and Initialize the ulp context. */
 526         rc = ulp_ctx_init(bp, session);
 527         if (rc) {
 528                 BNXT_TF_DBG(ERR, "Failed to create the ulp context\n");
 529                 goto jump_to_error;
 530         }
 531
 532         /* Initialize ulp dparms with values devargs passed */
 533         rc = ulp_dparms_init(bp, bp->ulp_ctx);
 534
 535         /* create the port database */
 536         rc = ulp_port_db_init(bp->ulp_ctx);
 537         if (rc) {
 538                 BNXT_TF_DBG(ERR, "Failed to create the port database\n");
 539                 goto jump_to_error;
 540         }
 541
 542         /* update the port database */
 543         rc = ulp_port_db_dev_port_intf_update(bp->ulp_ctx, bp);
 544         if (rc) {
 545                 BNXT_TF_DBG(ERR, "Failed to update port database\n");
 546                 goto jump_to_error;
 547         }
 548
 549         /* Create the Mark database. */
 550         rc = ulp_mark_db_init(bp->ulp_ctx);
 551         if (rc) {
 552                 BNXT_TF_DBG(ERR, "Failed to create the mark database\n");
 553                 goto jump_to_error;
 554         }
 555
 556         /* Create the flow database. */
 557         rc = ulp_flow_db_init(bp->ulp_ctx);
 558         if (rc) {
 559                 BNXT_TF_DBG(ERR, "Failed to create the flow database\n");
 560                 goto jump_to_error;
 561         }
 562
 563         /* Create the eem table scope. */
 564         rc = ulp_eem_tbl_scope_init(bp);
 565         if (rc) {
 566                 BNXT_TF_DBG(ERR, "Failed to create the eem scope table\n");
 567                 goto jump_to_error;
 568         }
 569
 570         rc = ulp_mapper_init(bp->ulp_ctx);
 571         if (rc) {
 572                 BNXT_TF_DBG(ERR, "Failed to initialize ulp mapper\n");
 573                 goto jump_to_error;
 574         }
 575
 576         return rc;
 577
 578 jump_to_error:
 579         bnxt_ulp_deinit(bp);
 580         return -ENOMEM;
 581 }
 582
 583 /* Below are the access functions to access internal data of ulp context. */
 584
 585 /*
 586  * When a port is deinit'ed by dpdk. This function is called
 587  * and this function clears the ULP context and rest of the
 588  * infrastructure associated with it.
 589  */
 590 void
 591 bnxt_ulp_deinit(struct bnxt *bp)
 592 {
 593         struct bnxt_ulp_session_state   *session;
 594         struct rte_pci_device           *pci_dev;
 595         struct rte_pci_addr             *pci_addr;
 596
 597         /* Get the session first */
 598         pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
 599         pci_addr = &pci_dev->addr;
 600         pthread_mutex_lock(&bnxt_ulp_global_mutex);
 601         session = ulp_get_session(pci_addr);
 602         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
 603
 604         /* session not found then just exit */
 605         if (!session)
 606                 return;
 607
 608         /* clean up regular flows */
 609         ulp_flow_db_flush_flows(bp->ulp_ctx, BNXT_ULP_REGULAR_FLOW_TABLE);
 610
 611         /* cleanup the eem table scope */
 612         ulp_eem_tbl_scope_deinit(bp, bp->ulp_ctx);
 613
 614         /* cleanup the flow database */
 615         ulp_flow_db_deinit(bp->ulp_ctx);
 616
 617         /* Delete the Mark database */
 618         ulp_mark_db_deinit(bp->ulp_ctx);
 619
 620         /* cleanup the ulp mapper */
 621         ulp_mapper_deinit(bp->ulp_ctx);
 622
 623         /* Delete the Port database */
 624         ulp_port_db_deinit(bp->ulp_ctx);
 625
 626         /* Delete the ulp context and tf session */
 627         ulp_ctx_detach(bp, session);
 628
 629         /* Finally delete the bnxt session*/
 630         ulp_session_deinit(session);
 631
 632         rte_free(bp->ulp_ctx);
 633 }
 634
 635 /* Function to set the Mark DB into the context */
 636 int32_t
 637 bnxt_ulp_cntxt_ptr2_mark_db_set(struct bnxt_ulp_context *ulp_ctx,
 638                                 struct bnxt_ulp_mark_tbl *mark_tbl)
 639 {
 640         if (!ulp_ctx || !ulp_ctx->cfg_data) {
 641                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
 642                 return -EINVAL;
 643         }
 644
 645         ulp_ctx->cfg_data->mark_tbl = mark_tbl;
 646
 647         return 0;
 648 }
 649
 650 /* Function to retrieve the Mark DB from the context. */
 651 struct bnxt_ulp_mark_tbl *
 652 bnxt_ulp_cntxt_ptr2_mark_db_get(struct bnxt_ulp_context *ulp_ctx)
 653 {
 654         if (!ulp_ctx || !ulp_ctx->cfg_data)
 655                 return NULL;
 656
 657         return ulp_ctx->cfg_data->mark_tbl;
 658 }
 659
 660 /* Function to set the device id of the hardware. */
 661 int32_t
 662 bnxt_ulp_cntxt_dev_id_set(struct bnxt_ulp_context *ulp_ctx,
 663                           uint32_t dev_id)
 664 {
 665         if (ulp_ctx && ulp_ctx->cfg_data) {
 666                 ulp_ctx->cfg_data->dev_id = dev_id;
 667                 return 0;
 668         }
 669
 670         return -EINVAL;
 671 }
 672
 673 /* Function to get the device id of the hardware. */
 674 int32_t
 675 bnxt_ulp_cntxt_dev_id_get(struct bnxt_ulp_context *ulp_ctx,
 676                           uint32_t *dev_id)
 677 {
 678         if (ulp_ctx && ulp_ctx->cfg_data) {
 679                 *dev_id = ulp_ctx->cfg_data->dev_id;
 680                 return 0;
 681         }
 682
 683         return -EINVAL;
 684 }
 685
 686 /* Function to get the table scope id of the EEM table. */
 687 int32_t
 688 bnxt_ulp_cntxt_tbl_scope_id_get(struct bnxt_ulp_context *ulp_ctx,
 689                                 uint32_t *tbl_scope_id)
 690 {
 691         if (ulp_ctx && ulp_ctx->cfg_data) {
 692                 *tbl_scope_id = ulp_ctx->cfg_data->tbl_scope_id;
 693                 return 0;
 694         }
 695
 696         return -EINVAL;
 697 }
 698
 699 /* Function to set the table scope id of the EEM table. */
 700 int32_t
 701 bnxt_ulp_cntxt_tbl_scope_id_set(struct bnxt_ulp_context *ulp_ctx,
 702                                 uint32_t tbl_scope_id)
 703 {
 704         if (ulp_ctx && ulp_ctx->cfg_data) {
 705                 ulp_ctx->cfg_data->tbl_scope_id = tbl_scope_id;
 706                 return 0;
 707         }
 708
 709         return -EINVAL;
 710 }
 711
 712 /* Function to set the tfp session details from the ulp context. */
 713 int32_t
 714 bnxt_ulp_cntxt_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp)
 715 {
 716         if (!ulp) {
 717                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
 718                 return -EINVAL;
 719         }
 720
 721         /* TBD The tfp should be removed once tf_attach is implemented. */
 722         ulp->g_tfp = tfp;
 723         return 0;
 724 }
 725
 726 /* Function to get the tfp session details from the ulp context. */
 727 struct tf *
 728 bnxt_ulp_cntxt_tfp_get(struct bnxt_ulp_context *ulp)
 729 {
 730         if (!ulp) {
 731                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
 732                 return NULL;
 733         }
 734         /* TBD The tfp should be removed once tf_attach is implemented. */
 735         return ulp->g_tfp;
 736 }
 737
 738 /*
 739  * Get the device table entry based on the device id.
 740  *
 741  * dev_id [in] The device id of the hardware
 742  *
 743  * Returns the pointer to the device parameters.
 744  */
 745 struct bnxt_ulp_device_params *
 746 bnxt_ulp_device_params_get(uint32_t dev_id)
 747 {
 748         if (dev_id < BNXT_ULP_MAX_NUM_DEVICES)
 749                 return &ulp_device_params[dev_id];
 750         return NULL;
 751 }
 752
 753 /* Function to set the flow database to the ulp context. */
 754 int32_t
 755 bnxt_ulp_cntxt_ptr2_flow_db_set(struct bnxt_ulp_context *ulp_ctx,
 756                                 struct bnxt_ulp_flow_db *flow_db)
 757 {
 758         if (!ulp_ctx || !ulp_ctx->cfg_data)
 759                 return -EINVAL;
 760
 761         ulp_ctx->cfg_data->flow_db = flow_db;
 762         return 0;
 763 }
 764
 765 /* Function to get the flow database from the ulp context. */
 766 struct bnxt_ulp_flow_db *
 767 bnxt_ulp_cntxt_ptr2_flow_db_get(struct bnxt_ulp_context *ulp_ctx)
 768 {
 769         if (!ulp_ctx || !ulp_ctx->cfg_data)
 770                 return NULL;
 771
 772         return ulp_ctx->cfg_data->flow_db;
 773 }
 774
 775 /* Function to get the ulp context from eth device. */
 776 struct bnxt_ulp_context *
 777 bnxt_ulp_eth_dev_ptr2_cntxt_get(struct rte_eth_dev      *dev)
 778 {
 779         struct bnxt     *bp;
 780
 781         bp = (struct bnxt *)dev->data->dev_private;
 782         if (!bp) {
 783                 BNXT_TF_DBG(ERR, "Bnxt private data is not initialized\n");
 784                 return NULL;
 785         }
 786         return bp->ulp_ctx;
 787 }
 788
 789 int32_t
 790 bnxt_ulp_cntxt_ptr2_mapper_data_set(struct bnxt_ulp_context *ulp_ctx,
 791                                     void *mapper_data)
 792 {
 793         if (!ulp_ctx || !ulp_ctx->cfg_data) {
 794                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
 795                 return -EINVAL;
 796         }
 797
 798         ulp_ctx->cfg_data->mapper_data = mapper_data;
 799         return 0;
 800 }
 801
 802 void *
 803 bnxt_ulp_cntxt_ptr2_mapper_data_get(struct bnxt_ulp_context *ulp_ctx)
 804 {
 805         if (!ulp_ctx || !ulp_ctx->cfg_data) {
 806                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
 807                 return NULL;
 808         }
 809
 810         return ulp_ctx->cfg_data->mapper_data;
 811 }
 812
 813 /* Function to set the port database to the ulp context. */
 814 int32_t
 815 bnxt_ulp_cntxt_ptr2_port_db_set(struct bnxt_ulp_context *ulp_ctx,
 816                                 struct bnxt_ulp_port_db *port_db)
 817 {
 818         if (!ulp_ctx || !ulp_ctx->cfg_data)
 819                 return -EINVAL;
 820
 821         ulp_ctx->cfg_data->port_db = port_db;
 822         return 0;
 823 }
 824
 825 /* Function to get the port database from the ulp context. */
 826 struct bnxt_ulp_port_db *
 827 bnxt_ulp_cntxt_ptr2_port_db_get(struct bnxt_ulp_context *ulp_ctx)
 828 {
 829         if (!ulp_ctx || !ulp_ctx->cfg_data)
 830                 return NULL;
 831
 832         return ulp_ctx->cfg_data->port_db;
 833 }