drivers/net/bnxt/tf_ulp/bnxt_ulp.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019-2021 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 #include <rte_spinlock.h>
  12
  13 #include "bnxt.h"
  14 #include "bnxt_ulp.h"
  15 #include "bnxt_tf_common.h"
  16 #include "tf_core.h"
  17 #include "tf_ext_flow_handle.h"
  18
  19 #include "ulp_template_db_enum.h"
  20 #include "ulp_template_struct.h"
  21 #include "ulp_mark_mgr.h"
  22 #include "ulp_fc_mgr.h"
  23 #include "ulp_flow_db.h"
  24 #include "ulp_mapper.h"
  25 #include "ulp_port_db.h"
  26 #include "ulp_tun.h"
  27 #include "ulp_ha_mgr.h"
  28 #include "bnxt_tf_pmd_shim.h"
  29
  30 /* Linked list of all TF sessions. */
  31 STAILQ_HEAD(, bnxt_ulp_session_state) bnxt_ulp_session_list =
  32                         STAILQ_HEAD_INITIALIZER(bnxt_ulp_session_list);
  33
  34 /* Mutex to synchronize bnxt_ulp_session_list operations. */
  35 static pthread_mutex_t bnxt_ulp_global_mutex = PTHREAD_MUTEX_INITIALIZER;
  36
  37 /* Spin lock to protect context global list */
  38 rte_spinlock_t bnxt_ulp_ctxt_lock;
  39 TAILQ_HEAD(cntx_list_entry_list, ulp_context_list_entry);
  40 static struct cntx_list_entry_list ulp_cntx_list =
  41         TAILQ_HEAD_INITIALIZER(ulp_cntx_list);
  42
  43 /* Static function declarations */
  44 static int32_t bnxt_ulp_cntxt_list_init(void);
  45 static int32_t bnxt_ulp_cntxt_list_add(struct bnxt_ulp_context *ulp_ctx);
  46 static void bnxt_ulp_cntxt_list_del(struct bnxt_ulp_context *ulp_ctx);
  47
  48 /*
  49  * Allow the deletion of context only for the bnxt device that
  50  * created the session.
  51  */
  52 bool
  53 ulp_ctx_deinit_allowed(struct bnxt_ulp_context *ulp_ctx)
  54 {
  55         if (!ulp_ctx || !ulp_ctx->cfg_data)
  56                 return false;
  57
  58         if (!ulp_ctx->cfg_data->ref_cnt) {
  59                 BNXT_TF_DBG(DEBUG, "ulp ctx shall initiate deinit\n");
  60                 return true;
  61         }
  62
  63         return false;
  64 }
  65
  66 static int32_t
  67 bnxt_ulp_devid_get(struct bnxt *bp,
  68                    enum bnxt_ulp_device_id  *ulp_dev_id)
  69 {
  70         if (BNXT_CHIP_P5(bp)) {
  71                 *ulp_dev_id = BNXT_ULP_DEVICE_ID_THOR;
  72                 return 0;
  73         }
  74
  75         if (BNXT_STINGRAY(bp))
  76                 *ulp_dev_id = BNXT_ULP_DEVICE_ID_STINGRAY;
  77         else
  78                 /* Assuming Whitney */
  79                 *ulp_dev_id = BNXT_ULP_DEVICE_ID_WH_PLUS;
  80
  81         return 0;
  82 }
  83
  84 struct bnxt_ulp_app_capabilities_info *
  85 bnxt_ulp_app_cap_list_get(uint32_t *num_entries)
  86 {
  87         if (!num_entries)
  88                 return NULL;
  89         *num_entries = BNXT_ULP_APP_CAP_TBL_MAX_SZ;
  90         return ulp_app_cap_info_list;
  91 }
  92
  93 static struct bnxt_ulp_resource_resv_info *
  94 bnxt_ulp_app_resource_resv_list_get(uint32_t *num_entries)
  95 {
  96         if (num_entries == NULL)
  97                 return NULL;
  98         *num_entries = BNXT_ULP_APP_RESOURCE_RESV_LIST_MAX_SZ;
  99         return ulp_app_resource_resv_list;
 100 }
 101
 102 struct bnxt_ulp_resource_resv_info *
 103 bnxt_ulp_resource_resv_list_get(uint32_t *num_entries)
 104 {
 105         if (!num_entries)
 106                 return NULL;
 107         *num_entries = BNXT_ULP_RESOURCE_RESV_LIST_MAX_SZ;
 108         return ulp_resource_resv_list;
 109 }
 110
 111 struct bnxt_ulp_glb_resource_info *
 112 bnxt_ulp_app_glb_resource_info_list_get(uint32_t *num_entries)
 113 {
 114         if (!num_entries)
 115                 return NULL;
 116         *num_entries = BNXT_ULP_APP_GLB_RESOURCE_TBL_MAX_SZ;
 117         return ulp_app_glb_resource_tbl;
 118 }
 119
 120 static int32_t
 121 bnxt_ulp_named_resources_calc(struct bnxt_ulp_context *ulp_ctx,
 122                               struct bnxt_ulp_glb_resource_info *info,
 123                               uint32_t num,
 124                               struct tf_session_resources *res)
 125 {
 126         uint32_t dev_id = BNXT_ULP_DEVICE_ID_LAST, res_type, i;
 127         enum tf_dir dir;
 128         uint8_t app_id;
 129         int32_t rc = 0;
 130
 131         if (ulp_ctx == NULL || info == NULL || res == NULL || num == 0) {
 132                 BNXT_TF_DBG(ERR, "Invalid parms to named resources calc.\n");
 133                 return -EINVAL;
 134         }
 135
 136         rc = bnxt_ulp_cntxt_app_id_get(ulp_ctx, &app_id);
 137         if (rc) {
 138                 BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
 139                 return -EINVAL;
 140         }
 141
 142         rc = bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id);
 143         if (rc) {
 144                 BNXT_TF_DBG(ERR, "Unable to get the dev id from ulp.\n");
 145                 return -EINVAL;
 146         }
 147
 148         for (i = 0; i < num; i++) {
 149                 if (dev_id != info[i].device_id || app_id != info[i].app_id)
 150                         continue;
 151                 dir = info[i].direction;
 152                 res_type = info[i].resource_type;
 153
 154                 switch (info[i].resource_func) {
 155                 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
 156                         res->ident_cnt[dir].cnt[res_type]++;
 157                         break;
 158                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
 159                         res->tbl_cnt[dir].cnt[res_type]++;
 160                         break;
 161                 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
 162                         res->tcam_cnt[dir].cnt[res_type]++;
 163                         break;
 164                 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
 165                         res->em_cnt[dir].cnt[res_type]++;
 166                         break;
 167                 default:
 168                         BNXT_TF_DBG(ERR, "Unknown resource func (0x%x)\n,",
 169                                     info[i].resource_func);
 170                         continue;
 171                 }
 172         }
 173
 174         return 0;
 175 }
 176
 177 static int32_t
 178 bnxt_ulp_unnamed_resources_calc(struct bnxt_ulp_context *ulp_ctx,
 179                                 struct bnxt_ulp_resource_resv_info *info,
 180                                 uint32_t num,
 181                                 struct tf_session_resources *res)
 182 {
 183         uint32_t dev_id, res_type, i;
 184         enum tf_dir dir;
 185         uint8_t app_id;
 186         int32_t rc = 0;
 187
 188         if (ulp_ctx == NULL || res == NULL || info == NULL || num == 0) {
 189                 BNXT_TF_DBG(ERR, "Invalid arguments to get resources.\n");
 190                 return -EINVAL;
 191         }
 192
 193         rc = bnxt_ulp_cntxt_app_id_get(ulp_ctx, &app_id);
 194         if (rc) {
 195                 BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
 196                 return -EINVAL;
 197         }
 198
 199         rc = bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id);
 200         if (rc) {
 201                 BNXT_TF_DBG(ERR, "Unable to get the dev id from ulp.\n");
 202                 return -EINVAL;
 203         }
 204
 205         for (i = 0; i < num; i++) {
 206                 if (app_id != info[i].app_id || dev_id != info[i].device_id)
 207                         continue;
 208                 dir = info[i].direction;
 209                 res_type = info[i].resource_type;
 210
 211                 switch (info[i].resource_func) {
 212                 case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
 213                         res->ident_cnt[dir].cnt[res_type] = info[i].count;
 214                         break;
 215                 case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
 216                         res->tbl_cnt[dir].cnt[res_type] = info[i].count;
 217                         break;
 218                 case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
 219                         res->tcam_cnt[dir].cnt[res_type] = info[i].count;
 220                         break;
 221                 case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
 222                         res->em_cnt[dir].cnt[res_type] = info[i].count;
 223                         break;
 224                 default:
 225                         break;
 226                 }
 227         }
 228         return 0;
 229 }
 230
 231 static int32_t
 232 bnxt_ulp_tf_resources_get(struct bnxt_ulp_context *ulp_ctx,
 233                           struct tf_session_resources *res)
 234 {
 235         struct bnxt_ulp_resource_resv_info *unnamed = NULL;
 236         uint32_t unum;
 237         int32_t rc = 0;
 238
 239         if (ulp_ctx == NULL || res == NULL) {
 240                 BNXT_TF_DBG(ERR, "Invalid arguments to get resources.\n");
 241                 return -EINVAL;
 242         }
 243
 244         unnamed = bnxt_ulp_resource_resv_list_get(&unum);
 245         if (unnamed == NULL) {
 246                 BNXT_TF_DBG(ERR, "Unable to get resource resv list.\n");
 247                 return -EINVAL;
 248         }
 249
 250         rc = bnxt_ulp_unnamed_resources_calc(ulp_ctx, unnamed, unum, res);
 251         if (rc)
 252                 BNXT_TF_DBG(ERR, "Unable to calc resources for session.\n");
 253
 254         return rc;
 255 }
 256
 257 static int32_t
 258 bnxt_ulp_tf_shared_session_resources_get(struct bnxt_ulp_context *ulp_ctx,
 259                                          struct tf_session_resources *res)
 260 {
 261         struct bnxt_ulp_resource_resv_info *unnamed;
 262         struct bnxt_ulp_glb_resource_info *named;
 263         uint32_t unum, nnum;
 264         int32_t rc;
 265
 266         if (ulp_ctx == NULL || res == NULL) {
 267                 BNXT_TF_DBG(ERR, "Invalid arguments to get resources.\n");
 268                 return -EINVAL;
 269         }
 270
 271         /* Make sure the resources are zero before accumulating. */
 272         memset(res, 0, sizeof(struct tf_session_resources));
 273
 274         /*
 275          * Shared resources are comprised of both named and unnamed resources.
 276          * First get the unnamed counts, and then add the named to the result.
 277          */
 278         /* Get the baseline counts */
 279         unnamed = bnxt_ulp_app_resource_resv_list_get(&unum);
 280         if (unnamed == NULL) {
 281                 BNXT_TF_DBG(ERR, "Unable to get shared resource resv list.\n");
 282                 return -EINVAL;
 283         }
 284         rc = bnxt_ulp_unnamed_resources_calc(ulp_ctx, unnamed, unum, res);
 285         if (rc) {
 286                 BNXT_TF_DBG(ERR, "Unable to calc resources for shared session.\n");
 287                 return -EINVAL;
 288         }
 289
 290         /* Get the named list and add the totals */
 291         named = bnxt_ulp_app_glb_resource_info_list_get(&nnum);
 292         if (named == NULL) {
 293                 BNXT_TF_DBG(ERR, "Unable to get app global resource list\n");
 294                 return -EINVAL;
 295         }
 296         rc = bnxt_ulp_named_resources_calc(ulp_ctx, named, nnum, res);
 297         if (rc)
 298                 BNXT_TF_DBG(ERR, "Unable to calc named resources\n");
 299
 300         return rc;
 301 }
 302
 303 int32_t
 304 bnxt_ulp_cntxt_app_caps_init(struct bnxt_ulp_context *ulp_ctx,
 305                              uint8_t app_id, uint32_t dev_id)
 306 {
 307         struct bnxt_ulp_app_capabilities_info *info;
 308         uint32_t num = 0;
 309         uint16_t i;
 310         bool found = false;
 311
 312         if (ULP_APP_DEV_UNSUPPORTED_ENABLED(ulp_ctx->cfg_data->ulp_flags)) {
 313                 BNXT_TF_DBG(ERR, "APP ID %d, Device ID: 0x%x not supported.\n",
 314                             app_id, dev_id);
 315                 return -EINVAL;
 316         }
 317
 318         info = bnxt_ulp_app_cap_list_get(&num);
 319         if (!info || !num) {
 320                 BNXT_TF_DBG(ERR, "Failed to get app capabilities.\n");
 321                 return -EINVAL;
 322         }
 323
 324         for (i = 0; i < num; i++) {
 325                 if (info[i].app_id != app_id || info[i].device_id != dev_id)
 326                         continue;
 327                 found = true;
 328                 if (info[i].flags & BNXT_ULP_APP_CAP_SHARED_EN)
 329                         ulp_ctx->cfg_data->ulp_flags |=
 330                                 BNXT_ULP_SHARED_SESSION_ENABLED;
 331                 if (info[i].flags & BNXT_ULP_APP_CAP_HOT_UPGRADE_EN)
 332                         ulp_ctx->cfg_data->ulp_flags |=
 333                                 BNXT_ULP_HIGH_AVAIL_ENABLED;
 334                 if (info[i].flags & BNXT_ULP_APP_CAP_UNICAST_ONLY)
 335                         ulp_ctx->cfg_data->ulp_flags |=
 336                                 BNXT_ULP_APP_UNICAST_ONLY;
 337         }
 338         if (!found) {
 339                 BNXT_TF_DBG(ERR, "APP ID %d, Device ID: 0x%x not supported.\n",
 340                             app_id, dev_id);
 341                 ulp_ctx->cfg_data->ulp_flags |= BNXT_ULP_APP_DEV_UNSUPPORTED;
 342                 return -EINVAL;
 343         }
 344
 345         return 0;
 346 }
 347
 348 static void
 349 ulp_ctx_shared_session_close(struct bnxt *bp,
 350                              struct bnxt_ulp_session_state *session)
 351 {
 352         struct tf *tfp;
 353         int32_t rc;
 354
 355         if (!bnxt_ulp_cntxt_shared_session_enabled(bp->ulp_ctx))
 356                 return;
 357
 358         tfp = bnxt_ulp_cntxt_shared_tfp_get(bp->ulp_ctx);
 359         if (!tfp) {
 360                 /*
 361                  * Log it under debug since this is likely a case of the
 362                  * shared session not being created.  For example, a failed
 363                  * initialization.
 364                  */
 365                 BNXT_TF_DBG(DEBUG, "Failed to get shared tfp on close.\n");
 366                 return;
 367         }
 368         rc = tf_close_session(tfp);
 369         if (rc)
 370                 BNXT_TF_DBG(ERR, "Failed to close the shared session rc=%d.\n",
 371                             rc);
 372         (void)bnxt_ulp_cntxt_shared_tfp_set(bp->ulp_ctx, NULL);
 373
 374         session->g_shared_tfp.session = NULL;
 375 }
 376
 377 static int32_t
 378 ulp_ctx_shared_session_open(struct bnxt *bp,
 379                             struct bnxt_ulp_session_state *session)
 380 {
 381         struct rte_eth_dev *ethdev = bp->eth_dev;
 382         struct tf_session_resources *resources;
 383         struct tf_open_session_parms parms;
 384         size_t copy_nbytes;
 385         uint32_t ulp_dev_id = BNXT_ULP_DEVICE_ID_LAST;
 386         int32_t rc = 0;
 387         uint8_t app_id;
 388
 389         /* only perform this if shared session is enabled. */
 390         if (!bnxt_ulp_cntxt_shared_session_enabled(bp->ulp_ctx))
 391                 return 0;
 392
 393         memset(&parms, 0, sizeof(parms));
 394
 395         rc = rte_eth_dev_get_name_by_port(ethdev->data->port_id,
 396                                           parms.ctrl_chan_name);
 397         if (rc) {
 398                 BNXT_TF_DBG(ERR, "Invalid port %d, rc = %d\n",
 399                             ethdev->data->port_id, rc);
 400                 return rc;
 401         }
 402         resources = &parms.resources;
 403
 404         /*
 405          * Need to account for size of ctrl_chan_name and 1 extra for Null
 406          * terminator
 407          */
 408         copy_nbytes = sizeof(parms.ctrl_chan_name) -
 409                 strlen(parms.ctrl_chan_name) - 1;
 410
 411         /*
 412          * Build the ctrl_chan_name with shared token.
 413          * When HA is enabled, the WC TCAM needs extra management by the core,
 414          * so add the wc_tcam string to the control channel.
 415          */
 416         if (bnxt_ulp_cntxt_ha_enabled(bp->ulp_ctx))
 417                 strncat(parms.ctrl_chan_name, "-tf_shared-wc_tcam",
 418                         copy_nbytes);
 419         else
 420                 strncat(parms.ctrl_chan_name, "-tf_shared", copy_nbytes);
 421
 422         rc = bnxt_ulp_tf_shared_session_resources_get(bp->ulp_ctx, resources);
 423         if (rc)
 424                 return rc;
 425
 426         rc = bnxt_ulp_cntxt_app_id_get(bp->ulp_ctx, &app_id);
 427         if (rc) {
 428                 BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
 429                 return -EINVAL;
 430         }
 431
 432         rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &ulp_dev_id);
 433         if (rc) {
 434                 BNXT_TF_DBG(ERR, "Unable to get device id from ulp.\n");
 435                 return rc;
 436         }
 437
 438         switch (ulp_dev_id) {
 439         case BNXT_ULP_DEVICE_ID_WH_PLUS:
 440                 parms.device_type = TF_DEVICE_TYPE_WH;
 441                 break;
 442         case BNXT_ULP_DEVICE_ID_STINGRAY:
 443                 parms.device_type = TF_DEVICE_TYPE_SR;
 444                 break;
 445         case BNXT_ULP_DEVICE_ID_THOR:
 446                 parms.device_type = TF_DEVICE_TYPE_THOR;
 447                 break;
 448         default:
 449                 BNXT_TF_DBG(ERR, "Unable to determine dev for opening session.\n");
 450                 return rc;
 451         }
 452
 453         parms.shadow_copy = true;
 454         parms.bp = bp;
 455         if (app_id == 0 || app_id == 3)
 456                 parms.wc_num_slices = TF_WC_TCAM_2_SLICE_PER_ROW;
 457         else
 458                 parms.wc_num_slices = TF_WC_TCAM_1_SLICE_PER_ROW;
 459
 460         /*
 461          * Open the session here, but the collect the resources during the
 462          * mapper initialization.
 463          */
 464         rc = tf_open_session(&bp->tfp_shared, &parms);
 465         if (rc)
 466                 return rc;
 467
 468         if (parms.shared_session_creator)
 469                 BNXT_TF_DBG(DEBUG, "Shared session creator.\n");
 470         else
 471                 BNXT_TF_DBG(DEBUG, "Shared session attached.\n");
 472
 473         /* Save the shared session in global data */
 474         if (!session->g_shared_tfp.session)
 475                 session->g_shared_tfp.session = bp->tfp_shared.session;
 476
 477         rc = bnxt_ulp_cntxt_shared_tfp_set(bp->ulp_ctx, &bp->tfp_shared);
 478         if (rc)
 479                 BNXT_TF_DBG(ERR, "Failed to add shared tfp to ulp (%d)\n", rc);
 480
 481         return rc;
 482 }
 483
 484 static int32_t
 485 ulp_ctx_shared_session_attach(struct bnxt *bp,
 486                               struct bnxt_ulp_session_state *session)
 487 {
 488         int32_t rc = 0;
 489
 490         /* Simply return success if shared session not enabled */
 491         if (bnxt_ulp_cntxt_shared_session_enabled(bp->ulp_ctx)) {
 492                 bp->tfp_shared.session = session->g_shared_tfp.session;
 493                 rc = ulp_ctx_shared_session_open(bp, session);
 494         }
 495
 496         return rc;
 497 }
 498
 499 static void
 500 ulp_ctx_shared_session_detach(struct bnxt *bp)
 501 {
 502         if (bnxt_ulp_cntxt_shared_session_enabled(bp->ulp_ctx)) {
 503                 if (bp->tfp_shared.session) {
 504                         tf_close_session(&bp->tfp_shared);
 505                         bp->tfp_shared.session = NULL;
 506                 }
 507         }
 508 }
 509
 510 /*
 511  * Initialize an ULP session.
 512  * An ULP session will contain all the resources needed to support rte flow
 513  * offloads. A session is initialized as part of rte_eth_device start.
 514  * A single vswitch instance can have multiple uplinks which means
 515  * rte_eth_device start will be called for each of these devices.
 516  * ULP session manager will make sure that a single ULP session is only
 517  * initialized once. Apart from this, it also initializes MARK database,
 518  * EEM table & flow database. ULP session manager also manages a list of
 519  * all opened ULP sessions.
 520  */
 521 static int32_t
 522 ulp_ctx_session_open(struct bnxt *bp,
 523                      struct bnxt_ulp_session_state *session)
 524 {
 525         struct rte_eth_dev              *ethdev = bp->eth_dev;
 526         int32_t                         rc = 0;
 527         struct tf_open_session_parms    params;
 528         struct tf_session_resources     *resources;
 529         uint32_t ulp_dev_id = BNXT_ULP_DEVICE_ID_LAST;
 530         uint8_t app_id;
 531
 532         memset(&params, 0, sizeof(params));
 533
 534         rc = rte_eth_dev_get_name_by_port(ethdev->data->port_id,
 535                                           params.ctrl_chan_name);
 536         if (rc) {
 537                 BNXT_TF_DBG(ERR, "Invalid port %d, rc = %d\n",
 538                             ethdev->data->port_id, rc);
 539                 return rc;
 540         }
 541
 542         params.shadow_copy = true;
 543
 544         rc = bnxt_ulp_cntxt_app_id_get(bp->ulp_ctx, &app_id);
 545         if (rc) {
 546                 BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
 547                 return -EINVAL;
 548         }
 549
 550         rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &ulp_dev_id);
 551         if (rc) {
 552                 BNXT_TF_DBG(ERR, "Unable to get device id from ulp.\n");
 553                 return rc;
 554         }
 555
 556         switch (ulp_dev_id) {
 557         case BNXT_ULP_DEVICE_ID_WH_PLUS:
 558                 params.device_type = TF_DEVICE_TYPE_WH;
 559                 break;
 560         case BNXT_ULP_DEVICE_ID_STINGRAY:
 561                 params.device_type = TF_DEVICE_TYPE_SR;
 562                 break;
 563         case BNXT_ULP_DEVICE_ID_THOR:
 564                 params.device_type = TF_DEVICE_TYPE_THOR;
 565                 break;
 566         default:
 567                 BNXT_TF_DBG(ERR, "Unable to determine device for opening session.\n");
 568                 return rc;
 569         }
 570
 571         resources = &params.resources;
 572         rc = bnxt_ulp_tf_resources_get(bp->ulp_ctx, resources);
 573         if (rc)
 574                 return rc;
 575
 576         params.bp = bp;
 577         if (app_id == 0 || app_id == 3)
 578                 params.wc_num_slices = TF_WC_TCAM_2_SLICE_PER_ROW;
 579         else
 580                 params.wc_num_slices = TF_WC_TCAM_1_SLICE_PER_ROW;
 581
 582         rc = tf_open_session(&bp->tfp, &params);
 583         if (rc) {
 584                 BNXT_TF_DBG(ERR, "Failed to open TF session - %s, rc = %d\n",
 585                             params.ctrl_chan_name, rc);
 586                 return -EINVAL;
 587         }
 588         if (!session->session_opened) {
 589                 session->session_opened = 1;
 590                 session->g_tfp = rte_zmalloc("bnxt_ulp_session_tfp",
 591                                              sizeof(struct tf), 0);
 592                 session->g_tfp->session = bp->tfp.session;
 593         }
 594         return rc;
 595 }
 596
 597 /*
 598  * Close the ULP session.
 599  * It takes the ulp context pointer.
 600  */
 601 static void
 602 ulp_ctx_session_close(struct bnxt *bp,
 603                       struct bnxt_ulp_session_state *session)
 604 {
 605         /* close the session in the hardware */
 606         if (session->session_opened)
 607                 tf_close_session(&bp->tfp);
 608         session->session_opened = 0;
 609         rte_free(session->g_tfp);
 610         session->g_tfp = NULL;
 611 }
 612
 613 static void
 614 bnxt_init_tbl_scope_parms(struct bnxt *bp,
 615                           struct tf_alloc_tbl_scope_parms *params)
 616 {
 617         struct bnxt_ulp_device_params   *dparms;
 618         uint32_t dev_id;
 619         int rc;
 620
 621         rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id);
 622         if (rc)
 623                 /* TBD: For now, just use default. */
 624                 dparms = 0;
 625         else
 626                 dparms = bnxt_ulp_device_params_get(dev_id);
 627
 628         /*
 629          * Set the flush timer for EEM entries. The value is in 100ms intervals,
 630          * so 100 is 10s.
 631          */
 632         params->hw_flow_cache_flush_timer = 100;
 633
 634         if (!dparms) {
 635                 params->rx_max_key_sz_in_bits = BNXT_ULP_DFLT_RX_MAX_KEY;
 636                 params->rx_max_action_entry_sz_in_bits =
 637                         BNXT_ULP_DFLT_RX_MAX_ACTN_ENTRY;
 638                 params->rx_mem_size_in_mb = BNXT_ULP_DFLT_RX_MEM;
 639                 params->rx_num_flows_in_k = BNXT_ULP_RX_NUM_FLOWS;
 640
 641                 params->tx_max_key_sz_in_bits = BNXT_ULP_DFLT_TX_MAX_KEY;
 642                 params->tx_max_action_entry_sz_in_bits =
 643                         BNXT_ULP_DFLT_TX_MAX_ACTN_ENTRY;
 644                 params->tx_mem_size_in_mb = BNXT_ULP_DFLT_TX_MEM;
 645                 params->tx_num_flows_in_k = BNXT_ULP_TX_NUM_FLOWS;
 646         } else {
 647                 params->rx_max_key_sz_in_bits = BNXT_ULP_DFLT_RX_MAX_KEY;
 648                 params->rx_max_action_entry_sz_in_bits =
 649                         BNXT_ULP_DFLT_RX_MAX_ACTN_ENTRY;
 650                 params->rx_mem_size_in_mb = BNXT_ULP_DFLT_RX_MEM;
 651                 params->rx_num_flows_in_k =
 652                         dparms->ext_flow_db_num_entries / 1024;
 653
 654                 params->tx_max_key_sz_in_bits = BNXT_ULP_DFLT_TX_MAX_KEY;
 655                 params->tx_max_action_entry_sz_in_bits =
 656                         BNXT_ULP_DFLT_TX_MAX_ACTN_ENTRY;
 657                 params->tx_mem_size_in_mb = BNXT_ULP_DFLT_TX_MEM;
 658                 params->tx_num_flows_in_k =
 659                         dparms->ext_flow_db_num_entries / 1024;
 660         }
 661         BNXT_TF_DBG(INFO, "Table Scope initialized with %uK flows.\n",
 662                     params->rx_num_flows_in_k);
 663 }
 664
 665 /* Initialize Extended Exact Match host memory. */
 666 static int32_t
 667 ulp_eem_tbl_scope_init(struct bnxt *bp)
 668 {
 669         struct tf_alloc_tbl_scope_parms params = {0};
 670         struct bnxt_ulp_device_params *dparms;
 671         enum bnxt_ulp_flow_mem_type mtype;
 672         uint32_t dev_id;
 673         int rc;
 674
 675         /* Get the dev specific number of flows that needed to be supported. */
 676         if (bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id)) {
 677                 BNXT_TF_DBG(ERR, "Invalid device id\n");
 678                 return -EINVAL;
 679         }
 680
 681         dparms = bnxt_ulp_device_params_get(dev_id);
 682         if (!dparms) {
 683                 BNXT_TF_DBG(ERR, "could not fetch the device params\n");
 684                 return -ENODEV;
 685         }
 686
 687         if (bnxt_ulp_cntxt_mem_type_get(bp->ulp_ctx, &mtype))
 688                 return -EINVAL;
 689         if (mtype != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
 690                 BNXT_TF_DBG(INFO, "Table Scope alloc is not required\n");
 691                 return 0;
 692         }
 693
 694         bnxt_init_tbl_scope_parms(bp, &params);
 695         rc = tf_alloc_tbl_scope(&bp->tfp, &params);
 696         if (rc) {
 697                 BNXT_TF_DBG(ERR, "Unable to allocate eem table scope rc = %d\n",
 698                             rc);
 699                 return rc;
 700         }
 701 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
 702         BNXT_TF_DBG(DEBUG, "TableScope=0x%0x %d\n",
 703                     params.tbl_scope_id,
 704                     params.tbl_scope_id);
 705 #endif
 706         rc = bnxt_ulp_cntxt_tbl_scope_id_set(bp->ulp_ctx, params.tbl_scope_id);
 707         if (rc) {
 708                 BNXT_TF_DBG(ERR, "Unable to set table scope id\n");
 709                 return rc;
 710         }
 711
 712         return 0;
 713 }
 714
 715 /* Free Extended Exact Match host memory */
 716 static int32_t
 717 ulp_eem_tbl_scope_deinit(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 718 {
 719         struct tf_free_tbl_scope_parms  params = {0};
 720         struct tf                       *tfp;
 721         int32_t                         rc = 0;
 722         struct bnxt_ulp_device_params *dparms;
 723         enum bnxt_ulp_flow_mem_type mtype;
 724         uint32_t dev_id;
 725
 726         if (!ulp_ctx || !ulp_ctx->cfg_data)
 727                 return -EINVAL;
 728
 729         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx, BNXT_ULP_SHARED_SESSION_NO);
 730         if (!tfp) {
 731                 BNXT_TF_DBG(ERR, "Failed to get the truflow pointer\n");
 732                 return -EINVAL;
 733         }
 734
 735         /* Get the dev specific number of flows that needed to be supported. */
 736         if (bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id)) {
 737                 BNXT_TF_DBG(ERR, "Invalid device id\n");
 738                 return -EINVAL;
 739         }
 740
 741         dparms = bnxt_ulp_device_params_get(dev_id);
 742         if (!dparms) {
 743                 BNXT_TF_DBG(ERR, "could not fetch the device params\n");
 744                 return -ENODEV;
 745         }
 746
 747         if (bnxt_ulp_cntxt_mem_type_get(ulp_ctx, &mtype))
 748                 return -EINVAL;
 749         if (mtype != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
 750                 BNXT_TF_DBG(INFO, "Table Scope free is not required\n");
 751                 return 0;
 752         }
 753
 754         rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp_ctx, &params.tbl_scope_id);
 755         if (rc) {
 756                 BNXT_TF_DBG(ERR, "Failed to get the table scope id\n");
 757                 return -EINVAL;
 758         }
 759
 760         rc = tf_free_tbl_scope(tfp, &params);
 761         if (rc) {
 762                 BNXT_TF_DBG(ERR, "Unable to free table scope\n");
 763                 return -EINVAL;
 764         }
 765         return rc;
 766 }
 767
 768 /* The function to free and deinit the ulp context data. */
 769 static int32_t
 770 ulp_ctx_deinit(struct bnxt *bp,
 771                struct bnxt_ulp_session_state *session)
 772 {
 773         /* close the tf session */
 774         ulp_ctx_session_close(bp, session);
 775
 776         /* The shared session must be closed last. */
 777         ulp_ctx_shared_session_close(bp, session);
 778
 779         /* Free the contents */
 780         if (session->cfg_data) {
 781                 rte_free(session->cfg_data);
 782                 bp->ulp_ctx->cfg_data = NULL;
 783                 session->cfg_data = NULL;
 784         }
 785         return 0;
 786 }
 787
 788 /* The function to allocate and initialize the ulp context data. */
 789 static int32_t
 790 ulp_ctx_init(struct bnxt *bp,
 791              struct bnxt_ulp_session_state *session)
 792 {
 793         struct bnxt_ulp_data    *ulp_data;
 794         int32_t                 rc = 0;
 795         enum bnxt_ulp_device_id devid;
 796
 797         /* Initialize the context entries list */
 798         bnxt_ulp_cntxt_list_init();
 799
 800         /* Add the context to the context entries list */
 801         rc = bnxt_ulp_cntxt_list_add(bp->ulp_ctx);
 802         if (rc) {
 803                 BNXT_TF_DBG(ERR, "Failed to add the context list entry\n");
 804                 return -ENOMEM;
 805         }
 806
 807         /* Allocate memory to hold ulp context data. */
 808         ulp_data = rte_zmalloc("bnxt_ulp_data",
 809                                sizeof(struct bnxt_ulp_data), 0);
 810         if (!ulp_data) {
 811                 BNXT_TF_DBG(ERR, "Failed to allocate memory for ulp data\n");
 812                 return -ENOMEM;
 813         }
 814
 815         /* Increment the ulp context data reference count usage. */
 816         bp->ulp_ctx->cfg_data = ulp_data;
 817         session->cfg_data = ulp_data;
 818         ulp_data->ref_cnt++;
 819         ulp_data->ulp_flags |= BNXT_ULP_VF_REP_ENABLED;
 820
 821         rc = bnxt_ulp_devid_get(bp, &devid);
 822         if (rc) {
 823                 BNXT_TF_DBG(ERR, "Unable to determine device for ULP init.\n");
 824                 goto error_deinit;
 825         }
 826
 827         rc = bnxt_ulp_cntxt_dev_id_set(bp->ulp_ctx, devid);
 828         if (rc) {
 829                 BNXT_TF_DBG(ERR, "Unable to set device for ULP init.\n");
 830                 goto error_deinit;
 831         }
 832
 833         rc = bnxt_ulp_cntxt_app_id_set(bp->ulp_ctx, bp->app_id);
 834         if (rc) {
 835                 BNXT_TF_DBG(ERR, "Unable to set app_id for ULP init.\n");
 836                 goto error_deinit;
 837         }
 838         BNXT_TF_DBG(DEBUG, "Ulp initialized with app id %d\n", bp->app_id);
 839
 840         rc = bnxt_ulp_cntxt_app_caps_init(bp->ulp_ctx, bp->app_id, devid);
 841         if (rc) {
 842                 BNXT_TF_DBG(ERR, "Unable to set caps for app(%x)/dev(%x)\n",
 843                             bp->app_id, devid);
 844                 goto error_deinit;
 845         }
 846
 847         /*
 848          * Shared session must be created before first regular session but after
 849          * the ulp_ctx is valid.
 850          */
 851         rc = ulp_ctx_shared_session_open(bp, session);
 852         if (rc) {
 853                 BNXT_TF_DBG(ERR, "Unable to open shared session (%d)\n", rc);
 854                 goto error_deinit;
 855         }
 856
 857         /* Open the ulp session. */
 858         rc = ulp_ctx_session_open(bp, session);
 859         if (rc)
 860                 goto error_deinit;
 861
 862         bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, &bp->tfp);
 863         return rc;
 864
 865 error_deinit:
 866         session->session_opened = 1;
 867         (void)ulp_ctx_deinit(bp, session);
 868         return rc;
 869 }
 870
 871 /* The function to initialize ulp dparms with devargs */
 872 static int32_t
 873 ulp_dparms_init(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 874 {
 875         struct bnxt_ulp_device_params *dparms;
 876         uint32_t dev_id = BNXT_ULP_DEVICE_ID_LAST;
 877
 878         if (!bp->max_num_kflows) {
 879                 /* Defaults to Internal */
 880                 bnxt_ulp_cntxt_mem_type_set(ulp_ctx,
 881                                             BNXT_ULP_FLOW_MEM_TYPE_INT);
 882                 return 0;
 883         }
 884
 885         /* The max_num_kflows were set, so move to external */
 886         if (bnxt_ulp_cntxt_mem_type_set(ulp_ctx, BNXT_ULP_FLOW_MEM_TYPE_EXT))
 887                 return -EINVAL;
 888
 889         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id)) {
 890                 BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
 891                 return -EINVAL;
 892         }
 893
 894         dparms = bnxt_ulp_device_params_get(dev_id);
 895         if (!dparms) {
 896                 BNXT_TF_DBG(DEBUG, "Failed to get device parms\n");
 897                 return -EINVAL;
 898         }
 899
 900         /* num_flows = max_num_kflows * 1024 */
 901         dparms->ext_flow_db_num_entries = bp->max_num_kflows * 1024;
 902         /* GFID =  2 * num_flows */
 903         dparms->mark_db_gfid_entries = dparms->ext_flow_db_num_entries * 2;
 904         BNXT_TF_DBG(DEBUG, "Set the number of flows = %" PRIu64 "\n",
 905                     dparms->ext_flow_db_num_entries);
 906
 907         return 0;
 908 }
 909
 910 /* The function to initialize bp flags with truflow features */
 911 static int32_t
 912 ulp_dparms_dev_port_intf_update(struct bnxt *bp,
 913                                 struct bnxt_ulp_context *ulp_ctx)
 914 {
 915         enum bnxt_ulp_flow_mem_type mtype;
 916
 917         if (bnxt_ulp_cntxt_mem_type_get(ulp_ctx, &mtype))
 918                 return -EINVAL;
 919         /* Update the bp flag with gfid flag */
 920         if (mtype == BNXT_ULP_FLOW_MEM_TYPE_EXT)
 921                 bp->flags |= BNXT_FLAG_GFID_ENABLE;
 922
 923         return 0;
 924 }
 925
 926 static int32_t
 927 ulp_ctx_attach(struct bnxt *bp,
 928                struct bnxt_ulp_session_state *session)
 929 {
 930         int32_t rc = 0;
 931         uint32_t flags, dev_id = BNXT_ULP_DEVICE_ID_LAST;
 932         uint8_t app_id;
 933
 934         /* Increment the ulp context data reference count usage. */
 935         bp->ulp_ctx->cfg_data = session->cfg_data;
 936         bp->ulp_ctx->cfg_data->ref_cnt++;
 937
 938         /* update the session details in bnxt tfp */
 939         bp->tfp.session = session->g_tfp->session;
 940
 941         /* Add the context to the context entries list */
 942         rc = bnxt_ulp_cntxt_list_add(bp->ulp_ctx);
 943         if (rc) {
 944                 BNXT_TF_DBG(ERR, "Failed to add the context list entry\n");
 945                 return -EINVAL;
 946         }
 947
 948         /*
 949          * The supported flag will be set during the init. Use it now to
 950          * know if we should go through the attach.
 951          */
 952         rc = bnxt_ulp_cntxt_app_id_get(bp->ulp_ctx, &app_id);
 953         if (rc) {
 954                 BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
 955                 return -EINVAL;
 956         }
 957
 958         rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id);
 959         if (rc) {
 960                 BNXT_TF_DBG(ERR, "Unable do get the dev_id.\n");
 961                 return -EINVAL;
 962         }
 963
 964         flags = bp->ulp_ctx->cfg_data->ulp_flags;
 965         if (ULP_APP_DEV_UNSUPPORTED_ENABLED(flags)) {
 966                 BNXT_TF_DBG(ERR, "APP ID %d, Device ID: 0x%x not supported.\n",
 967                             app_id, dev_id);
 968                 return -EINVAL;
 969         }
 970
 971         /* Create a TF Client */
 972         rc = ulp_ctx_session_open(bp, session);
 973         if (rc) {
 974                 PMD_DRV_LOG(ERR, "Failed to open ctxt session, rc:%d\n", rc);
 975                 bp->tfp.session = NULL;
 976                 return rc;
 977         }
 978
 979         bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, &bp->tfp);
 980         return rc;
 981 }
 982
 983 static void
 984 ulp_ctx_detach(struct bnxt *bp)
 985 {
 986         if (bp->tfp.session) {
 987                 tf_close_session(&bp->tfp);
 988                 bp->tfp.session = NULL;
 989         }
 990 }
 991
 992 /*
 993  * Initialize the state of an ULP session.
 994  * If the state of an ULP session is not initialized, set it's state to
 995  * initialized. If the state is already initialized, do nothing.
 996  */
 997 static void
 998 ulp_context_initialized(struct bnxt_ulp_session_state *session, bool *init)
 999 {
1000         pthread_mutex_lock(&session->bnxt_ulp_mutex);
1001
1002         if (!session->bnxt_ulp_init) {
1003                 session->bnxt_ulp_init = true;
1004                 *init = false;
1005         } else {
1006                 *init = true;
1007         }
1008
1009         pthread_mutex_unlock(&session->bnxt_ulp_mutex);
1010 }
1011
1012 /*
1013  * Check if an ULP session is already allocated for a specific PCI
1014  * domain & bus. If it is already allocated simply return the session
1015  * pointer, otherwise allocate a new session.
1016  */
1017 static struct bnxt_ulp_session_state *
1018 ulp_get_session(struct rte_pci_addr *pci_addr)
1019 {
1020         struct bnxt_ulp_session_state *session;
1021
1022         STAILQ_FOREACH(session, &bnxt_ulp_session_list, next) {
1023                 if (session->pci_info.domain == pci_addr->domain &&
1024                     session->pci_info.bus == pci_addr->bus) {
1025                         return session;
1026                 }
1027         }
1028         return NULL;
1029 }
1030
1031 /*
1032  * Allocate and Initialize an ULP session and set it's state to INITIALIZED.
1033  * If it's already initialized simply return the already existing session.
1034  */
1035 static struct bnxt_ulp_session_state *
1036 ulp_session_init(struct bnxt *bp,
1037                  bool *init)
1038 {
1039         struct rte_pci_device           *pci_dev;
1040         struct rte_pci_addr             *pci_addr;
1041         struct bnxt_ulp_session_state   *session;
1042         int rc = 0;
1043
1044         if (!bp)
1045                 return NULL;
1046
1047         pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
1048         pci_addr = &pci_dev->addr;
1049
1050         pthread_mutex_lock(&bnxt_ulp_global_mutex);
1051
1052         session = ulp_get_session(pci_addr);
1053         if (!session) {
1054                 /* Not Found the session  Allocate a new one */
1055                 session = rte_zmalloc("bnxt_ulp_session",
1056                                       sizeof(struct bnxt_ulp_session_state),
1057                                       0);
1058                 if (!session) {
1059                         BNXT_TF_DBG(ERR,
1060                                     "Allocation failed for bnxt_ulp_session\n");
1061                         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1062                         return NULL;
1063
1064                 } else {
1065                         /* Add it to the queue */
1066                         session->pci_info.domain = pci_addr->domain;
1067                         session->pci_info.bus = pci_addr->bus;
1068                         rc = pthread_mutex_init(&session->bnxt_ulp_mutex, NULL);
1069                         if (rc) {
1070                                 BNXT_TF_DBG(ERR, "mutex create failed\n");
1071                                 pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1072                                 return NULL;
1073                         }
1074                         STAILQ_INSERT_TAIL(&bnxt_ulp_session_list,
1075                                            session, next);
1076                 }
1077         }
1078         ulp_context_initialized(session, init);
1079         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1080         return session;
1081 }
1082
1083 /*
1084  * When a device is closed, remove it's associated session from the global
1085  * session list.
1086  */
1087 static void
1088 ulp_session_deinit(struct bnxt_ulp_session_state *session)
1089 {
1090         if (!session)
1091                 return;
1092
1093         if (!session->cfg_data) {
1094                 pthread_mutex_lock(&bnxt_ulp_global_mutex);
1095                 STAILQ_REMOVE(&bnxt_ulp_session_list, session,
1096                               bnxt_ulp_session_state, next);
1097                 pthread_mutex_destroy(&session->bnxt_ulp_mutex);
1098                 rte_free(session);
1099                 pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1100         }
1101 }
1102
1103 /*
1104  * Internal api to enable NAT feature.
1105  * Set set_flag to 1 to set the value or zero to reset the value.
1106  * returns 0 on success.
1107  */
1108 static int32_t
1109 bnxt_ulp_global_cfg_update(struct bnxt *bp,
1110                            enum tf_dir dir,
1111                            enum tf_global_config_type type,
1112                            uint32_t offset,
1113                            uint32_t value,
1114                            uint32_t set_flag)
1115 {
1116         uint32_t global_cfg = 0;
1117         int rc;
1118         struct tf_global_cfg_parms parms = { 0 };
1119
1120         /* Initialize the params */
1121         parms.dir = dir,
1122         parms.type = type,
1123         parms.offset = offset,
1124         parms.config = (uint8_t *)&global_cfg,
1125         parms.config_sz_in_bytes = sizeof(global_cfg);
1126
1127         rc = tf_get_global_cfg(&bp->tfp, &parms);
1128         if (rc) {
1129                 BNXT_TF_DBG(ERR, "Failed to get global cfg 0x%x rc:%d\n",
1130                             type, rc);
1131                 return rc;
1132         }
1133
1134         if (set_flag)
1135                 global_cfg |= value;
1136         else
1137                 global_cfg &= ~value;
1138
1139         /* SET the register RE_CFA_REG_ACT_TECT */
1140         rc = tf_set_global_cfg(&bp->tfp, &parms);
1141         if (rc) {
1142                 BNXT_TF_DBG(ERR, "Failed to set global cfg 0x%x rc:%d\n",
1143                             type, rc);
1144                 return rc;
1145         }
1146         return rc;
1147 }
1148
1149 /* Internal function to delete all the flows belonging to the given port */
1150 static void
1151 bnxt_ulp_flush_port_flows(struct bnxt *bp)
1152 {
1153         uint16_t func_id;
1154
1155         /* it is assumed that port is either TVF or PF */
1156         if (ulp_port_db_port_func_id_get(bp->ulp_ctx,
1157                                          bp->eth_dev->data->port_id,
1158                                          &func_id)) {
1159                 BNXT_TF_DBG(ERR, "Invalid argument\n");
1160                 return;
1161         }
1162         (void)ulp_flow_db_function_flow_flush(bp->ulp_ctx, func_id);
1163 }
1164
1165 /* Internal function to delete the VFR default flows */
1166 static void
1167 bnxt_ulp_destroy_vfr_default_rules(struct bnxt *bp, bool global)
1168 {
1169         struct bnxt_ulp_vfr_rule_info *info;
1170         uint16_t port_id;
1171         struct rte_eth_dev *vfr_eth_dev;
1172         struct bnxt_representor *vfr_bp;
1173
1174         if (!BNXT_TRUFLOW_EN(bp) || BNXT_ETH_DEV_IS_REPRESENTOR(bp->eth_dev))
1175                 return;
1176
1177         if (!bp->ulp_ctx || !bp->ulp_ctx->cfg_data)
1178                 return;
1179
1180         /* Delete default rules for all ports */
1181         for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
1182                 info = &bp->ulp_ctx->cfg_data->vfr_rule_info[port_id];
1183                 if (!info->valid)
1184                         continue;
1185
1186                 if (!global && info->parent_port_id !=
1187                     bp->eth_dev->data->port_id)
1188                         continue;
1189
1190                 /* Destroy the flows */
1191                 ulp_default_flow_destroy(bp->eth_dev, info->vfr_flow_id);
1192                 /* Clean up the tx action pointer */
1193                 vfr_eth_dev = &rte_eth_devices[port_id];
1194                 if (vfr_eth_dev) {
1195                         vfr_bp = vfr_eth_dev->data->dev_private;
1196                         vfr_bp->vfr_tx_cfa_action = 0;
1197                 }
1198                 memset(info, 0, sizeof(struct bnxt_ulp_vfr_rule_info));
1199         }
1200 }
1201
1202 /*
1203  * When a port is deinit'ed by dpdk. This function is called
1204  * and this function clears the ULP context and rest of the
1205  * infrastructure associated with it.
1206  */
1207 static void
1208 bnxt_ulp_deinit(struct bnxt *bp,
1209                 struct bnxt_ulp_session_state *session)
1210 {
1211         bool ha_enabled;
1212
1213         if (!bp->ulp_ctx || !bp->ulp_ctx->cfg_data)
1214                 return;
1215
1216         ha_enabled = bnxt_ulp_cntxt_ha_enabled(bp->ulp_ctx);
1217         if (ha_enabled && session->session_opened) {
1218                 int32_t rc = ulp_ha_mgr_close(bp->ulp_ctx);
1219                 if (rc)
1220                         BNXT_TF_DBG(ERR, "Failed to close HA (%d)\n", rc);
1221         }
1222
1223         /* clean up default flows */
1224         bnxt_ulp_destroy_df_rules(bp, true);
1225
1226         /* clean up default VFR flows */
1227         bnxt_ulp_destroy_vfr_default_rules(bp, true);
1228
1229         /* clean up regular flows */
1230         ulp_flow_db_flush_flows(bp->ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR);
1231
1232         /* cleanup the eem table scope */
1233         ulp_eem_tbl_scope_deinit(bp, bp->ulp_ctx);
1234
1235         /* cleanup the flow database */
1236         ulp_flow_db_deinit(bp->ulp_ctx);
1237
1238         /* Delete the Mark database */
1239         ulp_mark_db_deinit(bp->ulp_ctx);
1240
1241         /* cleanup the ulp mapper */
1242         ulp_mapper_deinit(bp->ulp_ctx);
1243
1244         /* Delete the Flow Counter Manager */
1245         ulp_fc_mgr_deinit(bp->ulp_ctx);
1246
1247         /* Delete the Port database */
1248         ulp_port_db_deinit(bp->ulp_ctx);
1249
1250         /* Disable NAT feature */
1251         (void)bnxt_ulp_global_cfg_update(bp, TF_DIR_RX, TF_TUNNEL_ENCAP,
1252                                          TF_TUNNEL_ENCAP_NAT,
1253                                          BNXT_ULP_NAT_OUTER_MOST_FLAGS, 0);
1254
1255         (void)bnxt_ulp_global_cfg_update(bp, TF_DIR_TX, TF_TUNNEL_ENCAP,
1256                                          TF_TUNNEL_ENCAP_NAT,
1257                                          BNXT_ULP_NAT_OUTER_MOST_FLAGS, 0);
1258
1259         /* free the flow db lock */
1260         pthread_mutex_destroy(&bp->ulp_ctx->cfg_data->flow_db_lock);
1261
1262         if (ha_enabled)
1263                 ulp_ha_mgr_deinit(bp->ulp_ctx);
1264
1265         /* Delete the ulp context and tf session and free the ulp context */
1266         ulp_ctx_deinit(bp, session);
1267         BNXT_TF_DBG(DEBUG, "ulp ctx has been deinitialized\n");
1268 }
1269
1270 /*
1271  * When a port is initialized by dpdk. This functions is called
1272  * and this function initializes the ULP context and rest of the
1273  * infrastructure associated with it.
1274  */
1275 static int32_t
1276 bnxt_ulp_init(struct bnxt *bp,
1277               struct bnxt_ulp_session_state *session)
1278 {
1279         int rc;
1280
1281         /* Allocate and Initialize the ulp context. */
1282         rc = ulp_ctx_init(bp, session);
1283         if (rc) {
1284                 BNXT_TF_DBG(ERR, "Failed to create the ulp context\n");
1285                 goto jump_to_error;
1286         }
1287
1288         rc = pthread_mutex_init(&bp->ulp_ctx->cfg_data->flow_db_lock, NULL);
1289         if (rc) {
1290                 BNXT_TF_DBG(ERR, "Unable to initialize flow db lock\n");
1291                 goto jump_to_error;
1292         }
1293
1294         /* Initialize ulp dparms with values devargs passed */
1295         rc = ulp_dparms_init(bp, bp->ulp_ctx);
1296         if (rc) {
1297                 BNXT_TF_DBG(ERR, "Failed to initialize the dparms\n");
1298                 goto jump_to_error;
1299         }
1300
1301         /* create the port database */
1302         rc = ulp_port_db_init(bp->ulp_ctx, bp->port_cnt);
1303         if (rc) {
1304                 BNXT_TF_DBG(ERR, "Failed to create the port database\n");
1305                 goto jump_to_error;
1306         }
1307
1308         /* Create the Mark database. */
1309         rc = ulp_mark_db_init(bp->ulp_ctx);
1310         if (rc) {
1311                 BNXT_TF_DBG(ERR, "Failed to create the mark database\n");
1312                 goto jump_to_error;
1313         }
1314
1315         /* Create the flow database. */
1316         rc = ulp_flow_db_init(bp->ulp_ctx);
1317         if (rc) {
1318                 BNXT_TF_DBG(ERR, "Failed to create the flow database\n");
1319                 goto jump_to_error;
1320         }
1321
1322         /* Create the eem table scope. */
1323         rc = ulp_eem_tbl_scope_init(bp);
1324         if (rc) {
1325                 BNXT_TF_DBG(ERR, "Failed to create the eem scope table\n");
1326                 goto jump_to_error;
1327         }
1328
1329         rc = ulp_mapper_init(bp->ulp_ctx);
1330         if (rc) {
1331                 BNXT_TF_DBG(ERR, "Failed to initialize ulp mapper\n");
1332                 goto jump_to_error;
1333         }
1334
1335         rc = ulp_fc_mgr_init(bp->ulp_ctx);
1336         if (rc) {
1337                 BNXT_TF_DBG(ERR, "Failed to initialize ulp flow counter mgr\n");
1338                 goto jump_to_error;
1339         }
1340
1341         /*
1342          * Enable NAT feature. Set the global configuration register
1343          * Tunnel encap to enable NAT with the reuse of existing inner
1344          * L2 header smac and dmac
1345          */
1346         rc = bnxt_ulp_global_cfg_update(bp, TF_DIR_RX, TF_TUNNEL_ENCAP,
1347                                         TF_TUNNEL_ENCAP_NAT,
1348                                         BNXT_ULP_NAT_OUTER_MOST_FLAGS, 1);
1349         if (rc) {
1350                 BNXT_TF_DBG(ERR, "Failed to set rx global configuration\n");
1351                 goto jump_to_error;
1352         }
1353
1354         rc = bnxt_ulp_global_cfg_update(bp, TF_DIR_TX, TF_TUNNEL_ENCAP,
1355                                         TF_TUNNEL_ENCAP_NAT,
1356                                         BNXT_ULP_NAT_OUTER_MOST_FLAGS, 1);
1357         if (rc) {
1358                 BNXT_TF_DBG(ERR, "Failed to set tx global configuration\n");
1359                 goto jump_to_error;
1360         }
1361
1362         if (bnxt_ulp_cntxt_ha_enabled(bp->ulp_ctx)) {
1363                 rc = ulp_ha_mgr_init(bp->ulp_ctx);
1364                 if (rc) {
1365                         BNXT_TF_DBG(ERR, "Failed to initialize HA %d\n", rc);
1366                         goto jump_to_error;
1367                 }
1368                 rc = ulp_ha_mgr_open(bp->ulp_ctx);
1369                 if (rc) {
1370                         BNXT_TF_DBG(ERR, "Failed to Process HA Open %d\n", rc);
1371                         goto jump_to_error;
1372                 }
1373         }
1374         BNXT_TF_DBG(DEBUG, "ulp ctx has been initialized\n");
1375         return rc;
1376
1377 jump_to_error:
1378         bnxt_ulp_deinit(bp, session);
1379         return rc;
1380 }
1381
1382 /*
1383  * When a port is initialized by dpdk. This functions sets up
1384  * the port specific details.
1385  */
1386 int32_t
1387 bnxt_ulp_port_init(struct bnxt *bp)
1388 {
1389         struct bnxt_ulp_session_state *session;
1390         bool initialized;
1391         enum bnxt_ulp_device_id devid = BNXT_ULP_DEVICE_ID_LAST;
1392         uint32_t ulp_flags;
1393         int32_t rc = 0;
1394
1395         if (!BNXT_PF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1396                 BNXT_TF_DBG(ERR,
1397                             "Skip ulp init for port: %d, not a TVF or PF\n",
1398                             bp->eth_dev->data->port_id);
1399                 return rc;
1400         }
1401
1402         if (!BNXT_TRUFLOW_EN(bp)) {
1403                 BNXT_TF_DBG(ERR,
1404                             "Skip ulp init for port: %d, truflow is not enabled\n",
1405                             bp->eth_dev->data->port_id);
1406                 return rc;
1407         }
1408
1409         if (bp->ulp_ctx) {
1410                 BNXT_TF_DBG(DEBUG, "ulp ctx already allocated\n");
1411                 return rc;
1412         }
1413
1414         bp->ulp_ctx = rte_zmalloc("bnxt_ulp_ctx",
1415                                   sizeof(struct bnxt_ulp_context), 0);
1416         if (!bp->ulp_ctx) {
1417                 BNXT_TF_DBG(ERR, "Failed to allocate ulp ctx\n");
1418                 return -ENOMEM;
1419         }
1420
1421         /*
1422          * Multiple uplink ports can be associated with a single vswitch.
1423          * Make sure only the port that is started first will initialize
1424          * the TF session.
1425          */
1426         session = ulp_session_init(bp, &initialized);
1427         if (!session) {
1428                 BNXT_TF_DBG(ERR, "Failed to initialize the tf session\n");
1429                 rc = -EIO;
1430                 goto jump_to_error;
1431         }
1432
1433         if (initialized) {
1434                 /*
1435                  * If ULP is already initialized for a specific domain then
1436                  * simply assign the ulp context to this rte_eth_dev.
1437                  */
1438                 rc = ulp_ctx_attach(bp, session);
1439                 if (rc) {
1440                         BNXT_TF_DBG(ERR, "Failed to attach the ulp context\n");
1441                         goto jump_to_error;
1442                 }
1443
1444                 /*
1445                  * Attach to the shared session, must be called after the
1446                  * ulp_ctx_attach in order to ensure that ulp data is available
1447                  * for attaching.
1448                  */
1449                 rc = ulp_ctx_shared_session_attach(bp, session);
1450                 if (rc) {
1451                         BNXT_TF_DBG(ERR,
1452                                     "Failed attach to shared session (%d)", rc);
1453                         goto jump_to_error;
1454                 }
1455         } else {
1456                 rc = bnxt_ulp_init(bp, session);
1457                 if (rc) {
1458                         BNXT_TF_DBG(ERR, "Failed to initialize the ulp init\n");
1459                         goto jump_to_error;
1460                 }
1461         }
1462
1463         /* Update bnxt driver flags */
1464         rc = ulp_dparms_dev_port_intf_update(bp, bp->ulp_ctx);
1465         if (rc) {
1466                 BNXT_TF_DBG(ERR, "Failed to update driver flags\n");
1467                 goto jump_to_error;
1468         }
1469
1470         /* update the port database for the given interface */
1471         rc = ulp_port_db_dev_port_intf_update(bp->ulp_ctx, bp->eth_dev);
1472         if (rc) {
1473                 BNXT_TF_DBG(ERR, "Failed to update port database\n");
1474                 goto jump_to_error;
1475         }
1476         /* create the default rules */
1477         rc = bnxt_ulp_create_df_rules(bp);
1478         if (rc) {
1479                 BNXT_TF_DBG(ERR, "Failed to create default flow\n");
1480                 goto jump_to_error;
1481         }
1482
1483         rc = bnxt_ulp_devid_get(bp, &devid);
1484         if (rc) {
1485                 BNXT_TF_DBG(ERR, "Unable to determine device for ULP port init.\n");
1486                 goto jump_to_error;
1487         }
1488
1489         if (devid != BNXT_ULP_DEVICE_ID_THOR && BNXT_ACCUM_STATS_EN(bp))
1490                 bp->ulp_ctx->cfg_data->accum_stats = true;
1491
1492         BNXT_TF_DBG(DEBUG, "BNXT Port:%d ULP port init, accum_stats:%d\n",
1493                     bp->eth_dev->data->port_id,
1494                     bp->ulp_ctx->cfg_data->accum_stats);
1495
1496         /* set the unicast mode */
1497         if (bnxt_ulp_cntxt_ptr2_ulp_flags_get(bp->ulp_ctx, &ulp_flags)) {
1498                 BNXT_TF_DBG(ERR, "Error in getting ULP context flags\n");
1499                 goto jump_to_error;
1500         }
1501         if (ulp_flags & BNXT_ULP_APP_UNICAST_ONLY) {
1502                 if (bnxt_pmd_set_unicast_rxmask(bp->eth_dev)) {
1503                         BNXT_TF_DBG(ERR, "Error in setting unicast rxmode\n");
1504                         goto jump_to_error;
1505                 }
1506         }
1507
1508         return rc;
1509
1510 jump_to_error:
1511         bnxt_ulp_port_deinit(bp);
1512         return rc;
1513 }
1514
1515 /*
1516  * When a port is de-initialized by dpdk. This functions clears up
1517  * the port specific details.
1518  */
1519 void
1520 bnxt_ulp_port_deinit(struct bnxt *bp)
1521 {
1522         struct bnxt_ulp_session_state *session;
1523         struct rte_pci_device *pci_dev;
1524         struct rte_pci_addr *pci_addr;
1525
1526         if (!BNXT_PF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1527                 BNXT_TF_DBG(ERR,
1528                             "Skip ULP deinit port:%d, not a TVF or PF\n",
1529                             bp->eth_dev->data->port_id);
1530                 return;
1531         }
1532
1533         if (!BNXT_TRUFLOW_EN(bp)) {
1534                 BNXT_TF_DBG(ERR,
1535                             "Skip ULP deinit for port:%d, truflow is not enabled\n",
1536                             bp->eth_dev->data->port_id);
1537                 return;
1538         }
1539
1540         if (!bp->ulp_ctx) {
1541                 BNXT_TF_DBG(DEBUG, "ulp ctx already de-allocated\n");
1542                 return;
1543         }
1544
1545         BNXT_TF_DBG(DEBUG, "BNXT Port:%d ULP port deinit\n",
1546                     bp->eth_dev->data->port_id);
1547
1548         /* Free the ulp context in the context entry list */
1549         bnxt_ulp_cntxt_list_del(bp->ulp_ctx);
1550
1551         /* Get the session details  */
1552         pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
1553         pci_addr = &pci_dev->addr;
1554         pthread_mutex_lock(&bnxt_ulp_global_mutex);
1555         session = ulp_get_session(pci_addr);
1556         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1557
1558         /* session not found then just exit */
1559         if (!session) {
1560                 /* Free the ulp context */
1561                 rte_free(bp->ulp_ctx);
1562                 bp->ulp_ctx = NULL;
1563                 return;
1564         }
1565
1566         /* Check the reference count to deinit or deattach*/
1567         if (bp->ulp_ctx->cfg_data && bp->ulp_ctx->cfg_data->ref_cnt) {
1568                 bp->ulp_ctx->cfg_data->ref_cnt--;
1569                 if (bp->ulp_ctx->cfg_data->ref_cnt) {
1570                         /* free the port details */
1571                         /* Free the default flow rule associated to this port */
1572                         bnxt_ulp_destroy_df_rules(bp, false);
1573                         bnxt_ulp_destroy_vfr_default_rules(bp, false);
1574
1575                         /* free flows associated with this port */
1576                         bnxt_ulp_flush_port_flows(bp);
1577
1578                         /* close the session associated with this port */
1579                         ulp_ctx_detach(bp);
1580
1581                         /* always detach/close shared after the session. */
1582                         ulp_ctx_shared_session_detach(bp);
1583                 } else {
1584                         /* Perform ulp ctx deinit */
1585                         bnxt_ulp_deinit(bp, session);
1586                 }
1587         }
1588
1589         /* clean up the session */
1590         ulp_session_deinit(session);
1591
1592         /* Free the ulp context */
1593         rte_free(bp->ulp_ctx);
1594         bp->ulp_ctx = NULL;
1595 }
1596
1597 /* Below are the access functions to access internal data of ulp context. */
1598 /* Function to set the Mark DB into the context */
1599 int32_t
1600 bnxt_ulp_cntxt_ptr2_mark_db_set(struct bnxt_ulp_context *ulp_ctx,
1601                                 struct bnxt_ulp_mark_tbl *mark_tbl)
1602 {
1603         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1604                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1605                 return -EINVAL;
1606         }
1607
1608         ulp_ctx->cfg_data->mark_tbl = mark_tbl;
1609
1610         return 0;
1611 }
1612
1613 /* Function to retrieve the Mark DB from the context. */
1614 struct bnxt_ulp_mark_tbl *
1615 bnxt_ulp_cntxt_ptr2_mark_db_get(struct bnxt_ulp_context *ulp_ctx)
1616 {
1617         if (!ulp_ctx || !ulp_ctx->cfg_data)
1618                 return NULL;
1619
1620         return ulp_ctx->cfg_data->mark_tbl;
1621 }
1622
1623 bool
1624 bnxt_ulp_cntxt_shared_session_enabled(struct bnxt_ulp_context *ulp_ctx)
1625 {
1626         return ULP_SHARED_SESSION_IS_ENABLED(ulp_ctx->cfg_data->ulp_flags);
1627 }
1628
1629 int32_t
1630 bnxt_ulp_cntxt_app_id_set(struct bnxt_ulp_context *ulp_ctx, uint8_t app_id)
1631 {
1632         if (!ulp_ctx)
1633                 return -EINVAL;
1634         ulp_ctx->cfg_data->app_id = app_id;
1635         return 0;
1636 }
1637
1638 int32_t
1639 bnxt_ulp_cntxt_app_id_get(struct bnxt_ulp_context *ulp_ctx, uint8_t *app_id)
1640 {
1641         /* Default APP id is zero */
1642         if (!ulp_ctx || !app_id)
1643                 return -EINVAL;
1644         *app_id = ulp_ctx->cfg_data->app_id;
1645         return 0;
1646 }
1647
1648 /* Function to set the device id of the hardware. */
1649 int32_t
1650 bnxt_ulp_cntxt_dev_id_set(struct bnxt_ulp_context *ulp_ctx,
1651                           uint32_t dev_id)
1652 {
1653         if (ulp_ctx && ulp_ctx->cfg_data) {
1654                 ulp_ctx->cfg_data->dev_id = dev_id;
1655                 return 0;
1656         }
1657
1658         return -EINVAL;
1659 }
1660
1661 /* Function to get the device id of the hardware. */
1662 int32_t
1663 bnxt_ulp_cntxt_dev_id_get(struct bnxt_ulp_context *ulp_ctx,
1664                           uint32_t *dev_id)
1665 {
1666         if (ulp_ctx && ulp_ctx->cfg_data) {
1667                 *dev_id = ulp_ctx->cfg_data->dev_id;
1668                 return 0;
1669         }
1670         *dev_id = BNXT_ULP_DEVICE_ID_LAST;
1671         BNXT_TF_DBG(ERR, "Failed to read dev_id from ulp ctxt\n");
1672         return -EINVAL;
1673 }
1674
1675 int32_t
1676 bnxt_ulp_cntxt_mem_type_set(struct bnxt_ulp_context *ulp_ctx,
1677                             enum bnxt_ulp_flow_mem_type mem_type)
1678 {
1679         if (ulp_ctx && ulp_ctx->cfg_data) {
1680                 ulp_ctx->cfg_data->mem_type = mem_type;
1681                 return 0;
1682         }
1683         BNXT_TF_DBG(ERR, "Failed to write mem_type in ulp ctxt\n");
1684         return -EINVAL;
1685 }
1686
1687 int32_t
1688 bnxt_ulp_cntxt_mem_type_get(struct bnxt_ulp_context *ulp_ctx,
1689                             enum bnxt_ulp_flow_mem_type *mem_type)
1690 {
1691         if (ulp_ctx && ulp_ctx->cfg_data) {
1692                 *mem_type = ulp_ctx->cfg_data->mem_type;
1693                 return 0;
1694         }
1695         *mem_type = BNXT_ULP_FLOW_MEM_TYPE_LAST;
1696         BNXT_TF_DBG(ERR, "Failed to read mem_type in ulp ctxt\n");
1697         return -EINVAL;
1698 }
1699
1700 /* Function to get the table scope id of the EEM table. */
1701 int32_t
1702 bnxt_ulp_cntxt_tbl_scope_id_get(struct bnxt_ulp_context *ulp_ctx,
1703                                 uint32_t *tbl_scope_id)
1704 {
1705         if (ulp_ctx && ulp_ctx->cfg_data) {
1706                 *tbl_scope_id = ulp_ctx->cfg_data->tbl_scope_id;
1707                 return 0;
1708         }
1709
1710         return -EINVAL;
1711 }
1712
1713 /* Function to set the table scope id of the EEM table. */
1714 int32_t
1715 bnxt_ulp_cntxt_tbl_scope_id_set(struct bnxt_ulp_context *ulp_ctx,
1716                                 uint32_t tbl_scope_id)
1717 {
1718         if (ulp_ctx && ulp_ctx->cfg_data) {
1719                 ulp_ctx->cfg_data->tbl_scope_id = tbl_scope_id;
1720                 return 0;
1721         }
1722
1723         return -EINVAL;
1724 }
1725
1726 /* Function to set the shared tfp session details from the ulp context. */
1727 int32_t
1728 bnxt_ulp_cntxt_shared_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp)
1729 {
1730         if (!ulp) {
1731                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1732                 return -EINVAL;
1733         }
1734
1735         if (tfp == NULL) {
1736                 if (ulp->cfg_data->num_shared_clients > 0)
1737                         ulp->cfg_data->num_shared_clients--;
1738         } else {
1739                 ulp->cfg_data->num_shared_clients++;
1740         }
1741
1742         ulp->g_shared_tfp = tfp;
1743         return 0;
1744 }
1745
1746 /* Function to get the shared tfp session details from the ulp context. */
1747 struct tf *
1748 bnxt_ulp_cntxt_shared_tfp_get(struct bnxt_ulp_context *ulp)
1749 {
1750         if (!ulp) {
1751                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1752                 return NULL;
1753         }
1754         return ulp->g_shared_tfp;
1755 }
1756
1757 /* Function to get the number of shared clients attached */
1758 uint8_t
1759 bnxt_ulp_cntxt_num_shared_clients_get(struct bnxt_ulp_context *ulp)
1760 {
1761         if (ulp == NULL || ulp->cfg_data == NULL) {
1762                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1763                 return 0;
1764         }
1765         return ulp->cfg_data->num_shared_clients;
1766 }
1767
1768 /* Function to set the tfp session details from the ulp context. */
1769 int32_t
1770 bnxt_ulp_cntxt_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp)
1771 {
1772         if (!ulp) {
1773                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1774                 return -EINVAL;
1775         }
1776
1777         ulp->g_tfp = tfp;
1778         return 0;
1779 }
1780
1781 /* Function to get the tfp session details from the ulp context. */
1782 struct tf *
1783 bnxt_ulp_cntxt_tfp_get(struct bnxt_ulp_context *ulp,
1784                        enum bnxt_ulp_shared_session shared)
1785 {
1786         if (!ulp) {
1787                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1788                 return NULL;
1789         }
1790         if (shared)
1791                 return ulp->g_shared_tfp;
1792         else
1793                 return ulp->g_tfp;
1794 }
1795
1796 /*
1797  * Get the device table entry based on the device id.
1798  *
1799  * dev_id [in] The device id of the hardware
1800  *
1801  * Returns the pointer to the device parameters.
1802  */
1803 struct bnxt_ulp_device_params *
1804 bnxt_ulp_device_params_get(uint32_t dev_id)
1805 {
1806         if (dev_id < BNXT_ULP_MAX_NUM_DEVICES)
1807                 return &ulp_device_params[dev_id];
1808         return NULL;
1809 }
1810
1811 /* Function to set the flow database to the ulp context. */
1812 int32_t
1813 bnxt_ulp_cntxt_ptr2_flow_db_set(struct bnxt_ulp_context *ulp_ctx,
1814                                 struct bnxt_ulp_flow_db *flow_db)
1815 {
1816         if (!ulp_ctx || !ulp_ctx->cfg_data)
1817                 return -EINVAL;
1818
1819         ulp_ctx->cfg_data->flow_db = flow_db;
1820         return 0;
1821 }
1822
1823 /* Function to get the flow database from the ulp context. */
1824 struct bnxt_ulp_flow_db *
1825 bnxt_ulp_cntxt_ptr2_flow_db_get(struct bnxt_ulp_context *ulp_ctx)
1826 {
1827         if (!ulp_ctx || !ulp_ctx->cfg_data)
1828                 return NULL;
1829
1830         return ulp_ctx->cfg_data->flow_db;
1831 }
1832
1833 /* Function to get the tunnel cache table info from the ulp context. */
1834 struct bnxt_tun_cache_entry *
1835 bnxt_ulp_cntxt_ptr2_tun_tbl_get(struct bnxt_ulp_context *ulp_ctx)
1836 {
1837         if (!ulp_ctx || !ulp_ctx->cfg_data)
1838                 return NULL;
1839
1840         return ulp_ctx->cfg_data->tun_tbl;
1841 }
1842
1843 /* Function to get the ulp context from eth device. */
1844 struct bnxt_ulp_context *
1845 bnxt_ulp_eth_dev_ptr2_cntxt_get(struct rte_eth_dev      *dev)
1846 {
1847         struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
1848
1849         if (BNXT_ETH_DEV_IS_REPRESENTOR(dev)) {
1850                 struct bnxt_representor *vfr = dev->data->dev_private;
1851
1852                 bp = vfr->parent_dev->data->dev_private;
1853         }
1854
1855         if (!bp) {
1856                 BNXT_TF_DBG(ERR, "Bnxt private data is not initialized\n");
1857                 return NULL;
1858         }
1859         return bp->ulp_ctx;
1860 }
1861
1862 int32_t
1863 bnxt_ulp_cntxt_ptr2_mapper_data_set(struct bnxt_ulp_context *ulp_ctx,
1864                                     void *mapper_data)
1865 {
1866         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1867                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1868                 return -EINVAL;
1869         }
1870
1871         ulp_ctx->cfg_data->mapper_data = mapper_data;
1872         return 0;
1873 }
1874
1875 void *
1876 bnxt_ulp_cntxt_ptr2_mapper_data_get(struct bnxt_ulp_context *ulp_ctx)
1877 {
1878         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1879                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1880                 return NULL;
1881         }
1882
1883         return ulp_ctx->cfg_data->mapper_data;
1884 }
1885
1886 /* Function to set the port database to the ulp context. */
1887 int32_t
1888 bnxt_ulp_cntxt_ptr2_port_db_set(struct bnxt_ulp_context *ulp_ctx,
1889                                 struct bnxt_ulp_port_db *port_db)
1890 {
1891         if (!ulp_ctx || !ulp_ctx->cfg_data)
1892                 return -EINVAL;
1893
1894         ulp_ctx->cfg_data->port_db = port_db;
1895         return 0;
1896 }
1897
1898 /* Function to get the port database from the ulp context. */
1899 struct bnxt_ulp_port_db *
1900 bnxt_ulp_cntxt_ptr2_port_db_get(struct bnxt_ulp_context *ulp_ctx)
1901 {
1902         if (!ulp_ctx || !ulp_ctx->cfg_data)
1903                 return NULL;
1904
1905         return ulp_ctx->cfg_data->port_db;
1906 }
1907
1908 /* Function to set the flow counter info into the context */
1909 int32_t
1910 bnxt_ulp_cntxt_ptr2_fc_info_set(struct bnxt_ulp_context *ulp_ctx,
1911                                 struct bnxt_ulp_fc_info *ulp_fc_info)
1912 {
1913         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1914                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1915                 return -EINVAL;
1916         }
1917
1918         ulp_ctx->cfg_data->fc_info = ulp_fc_info;
1919
1920         return 0;
1921 }
1922
1923 /* Function to retrieve the flow counter info from the context. */
1924 struct bnxt_ulp_fc_info *
1925 bnxt_ulp_cntxt_ptr2_fc_info_get(struct bnxt_ulp_context *ulp_ctx)
1926 {
1927         if (!ulp_ctx || !ulp_ctx->cfg_data)
1928                 return NULL;
1929
1930         return ulp_ctx->cfg_data->fc_info;
1931 }
1932
1933 /* Function to get the ulp flags from the ulp context. */
1934 int32_t
1935 bnxt_ulp_cntxt_ptr2_ulp_flags_get(struct bnxt_ulp_context *ulp_ctx,
1936                                   uint32_t *flags)
1937 {
1938         if (!ulp_ctx || !ulp_ctx->cfg_data)
1939                 return -1;
1940
1941         *flags =  ulp_ctx->cfg_data->ulp_flags;
1942         return 0;
1943 }
1944
1945 /* Function to get the ulp vfr info from the ulp context. */
1946 struct bnxt_ulp_vfr_rule_info*
1947 bnxt_ulp_cntxt_ptr2_ulp_vfr_info_get(struct bnxt_ulp_context *ulp_ctx,
1948                                      uint32_t port_id)
1949 {
1950         if (!ulp_ctx || !ulp_ctx->cfg_data || port_id >= RTE_MAX_ETHPORTS)
1951                 return NULL;
1952
1953         return &ulp_ctx->cfg_data->vfr_rule_info[port_id];
1954 }
1955
1956 /* Function to acquire the flow database lock from the ulp context. */
1957 int32_t
1958 bnxt_ulp_cntxt_acquire_fdb_lock(struct bnxt_ulp_context *ulp_ctx)
1959 {
1960         if (!ulp_ctx || !ulp_ctx->cfg_data)
1961                 return -1;
1962
1963         if (pthread_mutex_lock(&ulp_ctx->cfg_data->flow_db_lock)) {
1964                 BNXT_TF_DBG(ERR, "unable to acquire fdb lock\n");
1965                 return -1;
1966         }
1967         return 0;
1968 }
1969
1970 /* Function to release the flow database lock from the ulp context. */
1971 void
1972 bnxt_ulp_cntxt_release_fdb_lock(struct bnxt_ulp_context *ulp_ctx)
1973 {
1974         if (!ulp_ctx || !ulp_ctx->cfg_data)
1975                 return;
1976
1977         pthread_mutex_unlock(&ulp_ctx->cfg_data->flow_db_lock);
1978 }
1979
1980 /* Function to set the ha info into the context */
1981 int32_t
1982 bnxt_ulp_cntxt_ptr2_ha_info_set(struct bnxt_ulp_context *ulp_ctx,
1983                                 struct bnxt_ulp_ha_mgr_info *ulp_ha_info)
1984 {
1985         if (ulp_ctx == NULL || ulp_ctx->cfg_data == NULL) {
1986                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1987                 return -EINVAL;
1988         }
1989         ulp_ctx->cfg_data->ha_info = ulp_ha_info;
1990         return 0;
1991 }
1992
1993 /* Function to retrieve the ha info from the context. */
1994 struct bnxt_ulp_ha_mgr_info *
1995 bnxt_ulp_cntxt_ptr2_ha_info_get(struct bnxt_ulp_context *ulp_ctx)
1996 {
1997         if (ulp_ctx == NULL || ulp_ctx->cfg_data == NULL)
1998                 return NULL;
1999         return ulp_ctx->cfg_data->ha_info;
2000 }
2001
2002 bool
2003 bnxt_ulp_cntxt_ha_enabled(struct bnxt_ulp_context *ulp_ctx)
2004 {
2005         if (ulp_ctx == NULL || ulp_ctx->cfg_data == NULL)
2006                 return false;
2007         return !!ULP_HIGH_AVAIL_IS_ENABLED(ulp_ctx->cfg_data->ulp_flags);
2008 }
2009
2010 static int32_t
2011 bnxt_ulp_cntxt_list_init(void)
2012 {
2013         /* Create the cntxt spin lock */
2014         rte_spinlock_init(&bnxt_ulp_ctxt_lock);
2015
2016         return 0;
2017 }
2018
2019 static int32_t
2020 bnxt_ulp_cntxt_list_add(struct bnxt_ulp_context *ulp_ctx)
2021 {
2022         struct ulp_context_list_entry   *entry;
2023
2024         entry = rte_zmalloc(NULL, sizeof(struct ulp_context_list_entry), 0);
2025         if (entry == NULL) {
2026                 BNXT_TF_DBG(ERR, "unable to allocate memory\n");
2027                 return -ENOMEM;
2028         }
2029
2030         rte_spinlock_lock(&bnxt_ulp_ctxt_lock);
2031         entry->ulp_ctx = ulp_ctx;
2032         TAILQ_INSERT_TAIL(&ulp_cntx_list, entry, next);
2033         rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
2034         return 0;
2035 }
2036
2037 static void
2038 bnxt_ulp_cntxt_list_del(struct bnxt_ulp_context *ulp_ctx)
2039 {
2040         struct ulp_context_list_entry   *entry, *temp;
2041
2042         rte_spinlock_lock(&bnxt_ulp_ctxt_lock);
2043         TAILQ_FOREACH_SAFE(entry, &ulp_cntx_list, next, temp) {
2044                 if (entry->ulp_ctx == ulp_ctx) {
2045                         TAILQ_REMOVE(&ulp_cntx_list, entry, next);
2046                         rte_free(entry);
2047                         break;
2048                 }
2049         }
2050         rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
2051 }
2052
2053 struct bnxt_ulp_context *
2054 bnxt_ulp_cntxt_entry_acquire(void)
2055 {
2056         struct ulp_context_list_entry   *entry;
2057
2058         /* take a lock and get the first ulp context available */
2059         if (rte_spinlock_trylock(&bnxt_ulp_ctxt_lock)) {
2060                 TAILQ_FOREACH(entry, &ulp_cntx_list, next)
2061                         if (entry->ulp_ctx)
2062                                 return entry->ulp_ctx;
2063         }
2064         return NULL;
2065 }
2066
2067 void
2068 bnxt_ulp_cntxt_entry_release(void)
2069 {
2070         rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
2071 }
2072
2073 /* Function to get the app tunnel details from the ulp context. */
2074 struct bnxt_flow_app_tun_ent *
2075 bnxt_ulp_cntxt_ptr2_app_tun_list_get(struct bnxt_ulp_context *ulp)
2076 {
2077         if (!ulp || !ulp->cfg_data)
2078                 return NULL;
2079
2080         return ulp->cfg_data->app_tun;
2081 }