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         rc = bnxt_ulp_cntxt_tbl_scope_id_set(bp->ulp_ctx, params.tbl_scope_id);
 702         if (rc) {
 703                 BNXT_TF_DBG(ERR, "Unable to set table scope id\n");
 704                 return rc;
 705         }
 706
 707         return 0;
 708 }
 709
 710 /* Free Extended Exact Match host memory */
 711 static int32_t
 712 ulp_eem_tbl_scope_deinit(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 713 {
 714         struct tf_free_tbl_scope_parms  params = {0};
 715         struct tf                       *tfp;
 716         int32_t                         rc = 0;
 717         struct bnxt_ulp_device_params *dparms;
 718         enum bnxt_ulp_flow_mem_type mtype;
 719         uint32_t dev_id;
 720
 721         if (!ulp_ctx || !ulp_ctx->cfg_data)
 722                 return -EINVAL;
 723
 724         tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx, BNXT_ULP_SHARED_SESSION_NO);
 725         if (!tfp) {
 726                 BNXT_TF_DBG(ERR, "Failed to get the truflow pointer\n");
 727                 return -EINVAL;
 728         }
 729
 730         /* Get the dev specific number of flows that needed to be supported. */
 731         if (bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id)) {
 732                 BNXT_TF_DBG(ERR, "Invalid device id\n");
 733                 return -EINVAL;
 734         }
 735
 736         dparms = bnxt_ulp_device_params_get(dev_id);
 737         if (!dparms) {
 738                 BNXT_TF_DBG(ERR, "could not fetch the device params\n");
 739                 return -ENODEV;
 740         }
 741
 742         if (bnxt_ulp_cntxt_mem_type_get(ulp_ctx, &mtype))
 743                 return -EINVAL;
 744         if (mtype != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
 745                 BNXT_TF_DBG(INFO, "Table Scope free is not required\n");
 746                 return 0;
 747         }
 748
 749         rc = bnxt_ulp_cntxt_tbl_scope_id_get(ulp_ctx, &params.tbl_scope_id);
 750         if (rc) {
 751                 BNXT_TF_DBG(ERR, "Failed to get the table scope id\n");
 752                 return -EINVAL;
 753         }
 754
 755         rc = tf_free_tbl_scope(tfp, &params);
 756         if (rc) {
 757                 BNXT_TF_DBG(ERR, "Unable to free table scope\n");
 758                 return -EINVAL;
 759         }
 760         return rc;
 761 }
 762
 763 /* The function to free and deinit the ulp context data. */
 764 static int32_t
 765 ulp_ctx_deinit(struct bnxt *bp,
 766                struct bnxt_ulp_session_state *session)
 767 {
 768         /* close the tf session */
 769         ulp_ctx_session_close(bp, session);
 770
 771         /* The shared session must be closed last. */
 772         ulp_ctx_shared_session_close(bp, session);
 773
 774         /* Free the contents */
 775         if (session->cfg_data) {
 776                 rte_free(session->cfg_data);
 777                 bp->ulp_ctx->cfg_data = NULL;
 778                 session->cfg_data = NULL;
 779         }
 780         return 0;
 781 }
 782
 783 /* The function to allocate and initialize the ulp context data. */
 784 static int32_t
 785 ulp_ctx_init(struct bnxt *bp,
 786              struct bnxt_ulp_session_state *session)
 787 {
 788         struct bnxt_ulp_data    *ulp_data;
 789         int32_t                 rc = 0;
 790         enum bnxt_ulp_device_id devid;
 791
 792         /* Initialize the context entries list */
 793         bnxt_ulp_cntxt_list_init();
 794
 795         /* Add the context to the context entries list */
 796         rc = bnxt_ulp_cntxt_list_add(bp->ulp_ctx);
 797         if (rc) {
 798                 BNXT_TF_DBG(ERR, "Failed to add the context list entry\n");
 799                 return -ENOMEM;
 800         }
 801
 802         /* Allocate memory to hold ulp context data. */
 803         ulp_data = rte_zmalloc("bnxt_ulp_data",
 804                                sizeof(struct bnxt_ulp_data), 0);
 805         if (!ulp_data) {
 806                 BNXT_TF_DBG(ERR, "Failed to allocate memory for ulp data\n");
 807                 return -ENOMEM;
 808         }
 809
 810         /* Increment the ulp context data reference count usage. */
 811         bp->ulp_ctx->cfg_data = ulp_data;
 812         session->cfg_data = ulp_data;
 813         ulp_data->ref_cnt++;
 814         ulp_data->ulp_flags |= BNXT_ULP_VF_REP_ENABLED;
 815
 816         rc = bnxt_ulp_devid_get(bp, &devid);
 817         if (rc) {
 818                 BNXT_TF_DBG(ERR, "Unable to determine device for ULP init.\n");
 819                 goto error_deinit;
 820         }
 821
 822         rc = bnxt_ulp_cntxt_dev_id_set(bp->ulp_ctx, devid);
 823         if (rc) {
 824                 BNXT_TF_DBG(ERR, "Unable to set device for ULP init.\n");
 825                 goto error_deinit;
 826         }
 827
 828         rc = bnxt_ulp_cntxt_app_id_set(bp->ulp_ctx, bp->app_id);
 829         if (rc) {
 830                 BNXT_TF_DBG(ERR, "Unable to set app_id for ULP init.\n");
 831                 goto error_deinit;
 832         }
 833         BNXT_TF_DBG(DEBUG, "Ulp initialized with app id %d\n", bp->app_id);
 834
 835         rc = bnxt_ulp_cntxt_app_caps_init(bp->ulp_ctx, bp->app_id, devid);
 836         if (rc) {
 837                 BNXT_TF_DBG(ERR, "Unable to set caps for app(%x)/dev(%x)\n",
 838                             bp->app_id, devid);
 839                 goto error_deinit;
 840         }
 841
 842         /*
 843          * Shared session must be created before first regular session but after
 844          * the ulp_ctx is valid.
 845          */
 846         rc = ulp_ctx_shared_session_open(bp, session);
 847         if (rc) {
 848                 BNXT_TF_DBG(ERR, "Unable to open shared session (%d)\n", rc);
 849                 goto error_deinit;
 850         }
 851
 852         /* Open the ulp session. */
 853         rc = ulp_ctx_session_open(bp, session);
 854         if (rc)
 855                 goto error_deinit;
 856
 857         bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, &bp->tfp);
 858         return rc;
 859
 860 error_deinit:
 861         session->session_opened = 1;
 862         (void)ulp_ctx_deinit(bp, session);
 863         return rc;
 864 }
 865
 866 /* The function to initialize ulp dparms with devargs */
 867 static int32_t
 868 ulp_dparms_init(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 869 {
 870         struct bnxt_ulp_device_params *dparms;
 871         uint32_t dev_id = BNXT_ULP_DEVICE_ID_LAST;
 872
 873         if (!bp->max_num_kflows) {
 874                 /* Defaults to Internal */
 875                 bnxt_ulp_cntxt_mem_type_set(ulp_ctx,
 876                                             BNXT_ULP_FLOW_MEM_TYPE_INT);
 877                 return 0;
 878         }
 879
 880         /* The max_num_kflows were set, so move to external */
 881         if (bnxt_ulp_cntxt_mem_type_set(ulp_ctx, BNXT_ULP_FLOW_MEM_TYPE_EXT))
 882                 return -EINVAL;
 883
 884         if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id)) {
 885                 BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
 886                 return -EINVAL;
 887         }
 888
 889         dparms = bnxt_ulp_device_params_get(dev_id);
 890         if (!dparms) {
 891                 BNXT_TF_DBG(DEBUG, "Failed to get device parms\n");
 892                 return -EINVAL;
 893         }
 894
 895         /* num_flows = max_num_kflows * 1024 */
 896         dparms->ext_flow_db_num_entries = bp->max_num_kflows * 1024;
 897         /* GFID =  2 * num_flows */
 898         dparms->mark_db_gfid_entries = dparms->ext_flow_db_num_entries * 2;
 899         BNXT_TF_DBG(DEBUG, "Set the number of flows = %" PRIu64 "\n",
 900                     dparms->ext_flow_db_num_entries);
 901
 902         return 0;
 903 }
 904
 905 /* The function to initialize bp flags with truflow features */
 906 static int32_t
 907 ulp_dparms_dev_port_intf_update(struct bnxt *bp,
 908                                 struct bnxt_ulp_context *ulp_ctx)
 909 {
 910         enum bnxt_ulp_flow_mem_type mtype;
 911
 912         if (bnxt_ulp_cntxt_mem_type_get(ulp_ctx, &mtype))
 913                 return -EINVAL;
 914         /* Update the bp flag with gfid flag */
 915         if (mtype == BNXT_ULP_FLOW_MEM_TYPE_EXT)
 916                 bp->flags |= BNXT_FLAG_GFID_ENABLE;
 917
 918         return 0;
 919 }
 920
 921 static int32_t
 922 ulp_ctx_attach(struct bnxt *bp,
 923                struct bnxt_ulp_session_state *session)
 924 {
 925         int32_t rc = 0;
 926         uint32_t flags, dev_id = BNXT_ULP_DEVICE_ID_LAST;
 927         uint8_t app_id;
 928
 929         /* Increment the ulp context data reference count usage. */
 930         bp->ulp_ctx->cfg_data = session->cfg_data;
 931         bp->ulp_ctx->cfg_data->ref_cnt++;
 932
 933         /* update the session details in bnxt tfp */
 934         bp->tfp.session = session->g_tfp->session;
 935
 936         /* Add the context to the context entries list */
 937         rc = bnxt_ulp_cntxt_list_add(bp->ulp_ctx);
 938         if (rc) {
 939                 BNXT_TF_DBG(ERR, "Failed to add the context list entry\n");
 940                 return -EINVAL;
 941         }
 942
 943         /*
 944          * The supported flag will be set during the init. Use it now to
 945          * know if we should go through the attach.
 946          */
 947         rc = bnxt_ulp_cntxt_app_id_get(bp->ulp_ctx, &app_id);
 948         if (rc) {
 949                 BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
 950                 return -EINVAL;
 951         }
 952
 953         rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id);
 954         if (rc) {
 955                 BNXT_TF_DBG(ERR, "Unable do get the dev_id.\n");
 956                 return -EINVAL;
 957         }
 958
 959         flags = bp->ulp_ctx->cfg_data->ulp_flags;
 960         if (ULP_APP_DEV_UNSUPPORTED_ENABLED(flags)) {
 961                 BNXT_TF_DBG(ERR, "APP ID %d, Device ID: 0x%x not supported.\n",
 962                             app_id, dev_id);
 963                 return -EINVAL;
 964         }
 965
 966         /* Create a TF Client */
 967         rc = ulp_ctx_session_open(bp, session);
 968         if (rc) {
 969                 PMD_DRV_LOG(ERR, "Failed to open ctxt session, rc:%d\n", rc);
 970                 bp->tfp.session = NULL;
 971                 return rc;
 972         }
 973
 974         bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, &bp->tfp);
 975         return rc;
 976 }
 977
 978 static void
 979 ulp_ctx_detach(struct bnxt *bp)
 980 {
 981         if (bp->tfp.session) {
 982                 tf_close_session(&bp->tfp);
 983                 bp->tfp.session = NULL;
 984         }
 985 }
 986
 987 /*
 988  * Initialize the state of an ULP session.
 989  * If the state of an ULP session is not initialized, set it's state to
 990  * initialized. If the state is already initialized, do nothing.
 991  */
 992 static void
 993 ulp_context_initialized(struct bnxt_ulp_session_state *session, bool *init)
 994 {
 995         pthread_mutex_lock(&session->bnxt_ulp_mutex);
 996
 997         if (!session->bnxt_ulp_init) {
 998                 session->bnxt_ulp_init = true;
 999                 *init = false;
1000         } else {
1001                 *init = true;
1002         }
1003
1004         pthread_mutex_unlock(&session->bnxt_ulp_mutex);
1005 }
1006
1007 /*
1008  * Check if an ULP session is already allocated for a specific PCI
1009  * domain & bus. If it is already allocated simply return the session
1010  * pointer, otherwise allocate a new session.
1011  */
1012 static struct bnxt_ulp_session_state *
1013 ulp_get_session(struct rte_pci_addr *pci_addr)
1014 {
1015         struct bnxt_ulp_session_state *session;
1016
1017         STAILQ_FOREACH(session, &bnxt_ulp_session_list, next) {
1018                 if (session->pci_info.domain == pci_addr->domain &&
1019                     session->pci_info.bus == pci_addr->bus) {
1020                         return session;
1021                 }
1022         }
1023         return NULL;
1024 }
1025
1026 /*
1027  * Allocate and Initialize an ULP session and set it's state to INITIALIZED.
1028  * If it's already initialized simply return the already existing session.
1029  */
1030 static struct bnxt_ulp_session_state *
1031 ulp_session_init(struct bnxt *bp,
1032                  bool *init)
1033 {
1034         struct rte_pci_device           *pci_dev;
1035         struct rte_pci_addr             *pci_addr;
1036         struct bnxt_ulp_session_state   *session;
1037         int rc = 0;
1038
1039         if (!bp)
1040                 return NULL;
1041
1042         pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
1043         pci_addr = &pci_dev->addr;
1044
1045         pthread_mutex_lock(&bnxt_ulp_global_mutex);
1046
1047         session = ulp_get_session(pci_addr);
1048         if (!session) {
1049                 /* Not Found the session  Allocate a new one */
1050                 session = rte_zmalloc("bnxt_ulp_session",
1051                                       sizeof(struct bnxt_ulp_session_state),
1052                                       0);
1053                 if (!session) {
1054                         BNXT_TF_DBG(ERR,
1055                                     "Allocation failed for bnxt_ulp_session\n");
1056                         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1057                         return NULL;
1058
1059                 } else {
1060                         /* Add it to the queue */
1061                         session->pci_info.domain = pci_addr->domain;
1062                         session->pci_info.bus = pci_addr->bus;
1063                         rc = pthread_mutex_init(&session->bnxt_ulp_mutex, NULL);
1064                         if (rc) {
1065                                 BNXT_TF_DBG(ERR, "mutex create failed\n");
1066                                 pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1067                                 return NULL;
1068                         }
1069                         STAILQ_INSERT_TAIL(&bnxt_ulp_session_list,
1070                                            session, next);
1071                 }
1072         }
1073         ulp_context_initialized(session, init);
1074         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1075         return session;
1076 }
1077
1078 /*
1079  * When a device is closed, remove it's associated session from the global
1080  * session list.
1081  */
1082 static void
1083 ulp_session_deinit(struct bnxt_ulp_session_state *session)
1084 {
1085         if (!session)
1086                 return;
1087
1088         if (!session->cfg_data) {
1089                 pthread_mutex_lock(&bnxt_ulp_global_mutex);
1090                 STAILQ_REMOVE(&bnxt_ulp_session_list, session,
1091                               bnxt_ulp_session_state, next);
1092                 pthread_mutex_destroy(&session->bnxt_ulp_mutex);
1093                 rte_free(session);
1094                 pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1095         }
1096 }
1097
1098 /*
1099  * Internal api to enable NAT feature.
1100  * Set set_flag to 1 to set the value or zero to reset the value.
1101  * returns 0 on success.
1102  */
1103 static int32_t
1104 bnxt_ulp_global_cfg_update(struct bnxt *bp,
1105                            enum tf_dir dir,
1106                            enum tf_global_config_type type,
1107                            uint32_t offset,
1108                            uint32_t value,
1109                            uint32_t set_flag)
1110 {
1111         uint32_t global_cfg = 0;
1112         int rc;
1113         struct tf_global_cfg_parms parms = { 0 };
1114
1115         /* Initialize the params */
1116         parms.dir = dir,
1117         parms.type = type,
1118         parms.offset = offset,
1119         parms.config = (uint8_t *)&global_cfg,
1120         parms.config_sz_in_bytes = sizeof(global_cfg);
1121
1122         rc = tf_get_global_cfg(&bp->tfp, &parms);
1123         if (rc) {
1124                 BNXT_TF_DBG(ERR, "Failed to get global cfg 0x%x rc:%d\n",
1125                             type, rc);
1126                 return rc;
1127         }
1128
1129         if (set_flag)
1130                 global_cfg |= value;
1131         else
1132                 global_cfg &= ~value;
1133
1134         /* SET the register RE_CFA_REG_ACT_TECT */
1135         rc = tf_set_global_cfg(&bp->tfp, &parms);
1136         if (rc) {
1137                 BNXT_TF_DBG(ERR, "Failed to set global cfg 0x%x rc:%d\n",
1138                             type, rc);
1139                 return rc;
1140         }
1141         return rc;
1142 }
1143
1144 /* Internal function to delete all the flows belonging to the given port */
1145 static void
1146 bnxt_ulp_flush_port_flows(struct bnxt *bp)
1147 {
1148         uint16_t func_id;
1149
1150         /* it is assumed that port is either TVF or PF */
1151         if (ulp_port_db_port_func_id_get(bp->ulp_ctx,
1152                                          bp->eth_dev->data->port_id,
1153                                          &func_id)) {
1154                 BNXT_TF_DBG(ERR, "Invalid argument\n");
1155                 return;
1156         }
1157         (void)ulp_flow_db_function_flow_flush(bp->ulp_ctx, func_id);
1158 }
1159
1160 /* Internal function to delete the VFR default flows */
1161 static void
1162 bnxt_ulp_destroy_vfr_default_rules(struct bnxt *bp, bool global)
1163 {
1164         struct bnxt_ulp_vfr_rule_info *info;
1165         uint16_t port_id;
1166         struct rte_eth_dev *vfr_eth_dev;
1167         struct bnxt_representor *vfr_bp;
1168
1169         if (!BNXT_TRUFLOW_EN(bp) || BNXT_ETH_DEV_IS_REPRESENTOR(bp->eth_dev))
1170                 return;
1171
1172         if (!bp->ulp_ctx || !bp->ulp_ctx->cfg_data)
1173                 return;
1174
1175         /* Delete default rules for all ports */
1176         for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
1177                 info = &bp->ulp_ctx->cfg_data->vfr_rule_info[port_id];
1178                 if (!info->valid)
1179                         continue;
1180
1181                 if (!global && info->parent_port_id !=
1182                     bp->eth_dev->data->port_id)
1183                         continue;
1184
1185                 /* Destroy the flows */
1186                 ulp_default_flow_destroy(bp->eth_dev, info->vfr_flow_id);
1187                 /* Clean up the tx action pointer */
1188                 vfr_eth_dev = &rte_eth_devices[port_id];
1189                 if (vfr_eth_dev) {
1190                         vfr_bp = vfr_eth_dev->data->dev_private;
1191                         vfr_bp->vfr_tx_cfa_action = 0;
1192                 }
1193                 memset(info, 0, sizeof(struct bnxt_ulp_vfr_rule_info));
1194         }
1195 }
1196
1197 /*
1198  * When a port is deinit'ed by dpdk. This function is called
1199  * and this function clears the ULP context and rest of the
1200  * infrastructure associated with it.
1201  */
1202 static void
1203 bnxt_ulp_deinit(struct bnxt *bp,
1204                 struct bnxt_ulp_session_state *session)
1205 {
1206         bool ha_enabled;
1207
1208         if (!bp->ulp_ctx || !bp->ulp_ctx->cfg_data)
1209                 return;
1210
1211         ha_enabled = bnxt_ulp_cntxt_ha_enabled(bp->ulp_ctx);
1212         if (ha_enabled && session->session_opened) {
1213                 int32_t rc = ulp_ha_mgr_close(bp->ulp_ctx);
1214                 if (rc)
1215                         BNXT_TF_DBG(ERR, "Failed to close HA (%d)\n", rc);
1216         }
1217
1218         /* clean up default flows */
1219         bnxt_ulp_destroy_df_rules(bp, true);
1220
1221         /* clean up default VFR flows */
1222         bnxt_ulp_destroy_vfr_default_rules(bp, true);
1223
1224         /* clean up regular flows */
1225         ulp_flow_db_flush_flows(bp->ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR);
1226
1227         /* cleanup the eem table scope */
1228         ulp_eem_tbl_scope_deinit(bp, bp->ulp_ctx);
1229
1230         /* cleanup the flow database */
1231         ulp_flow_db_deinit(bp->ulp_ctx);
1232
1233         /* Delete the Mark database */
1234         ulp_mark_db_deinit(bp->ulp_ctx);
1235
1236         /* cleanup the ulp mapper */
1237         ulp_mapper_deinit(bp->ulp_ctx);
1238
1239         /* Delete the Flow Counter Manager */
1240         ulp_fc_mgr_deinit(bp->ulp_ctx);
1241
1242         /* Delete the Port database */
1243         ulp_port_db_deinit(bp->ulp_ctx);
1244
1245         /* Disable NAT feature */
1246         (void)bnxt_ulp_global_cfg_update(bp, TF_DIR_RX, TF_TUNNEL_ENCAP,
1247                                          TF_TUNNEL_ENCAP_NAT,
1248                                          BNXT_ULP_NAT_OUTER_MOST_FLAGS, 0);
1249
1250         (void)bnxt_ulp_global_cfg_update(bp, TF_DIR_TX, TF_TUNNEL_ENCAP,
1251                                          TF_TUNNEL_ENCAP_NAT,
1252                                          BNXT_ULP_NAT_OUTER_MOST_FLAGS, 0);
1253
1254         /* free the flow db lock */
1255         pthread_mutex_destroy(&bp->ulp_ctx->cfg_data->flow_db_lock);
1256
1257         if (ha_enabled)
1258                 ulp_ha_mgr_deinit(bp->ulp_ctx);
1259
1260         /* Delete the ulp context and tf session and free the ulp context */
1261         ulp_ctx_deinit(bp, session);
1262         BNXT_TF_DBG(DEBUG, "ulp ctx has been deinitialized\n");
1263 }
1264
1265 /*
1266  * When a port is initialized by dpdk. This functions is called
1267  * and this function initializes the ULP context and rest of the
1268  * infrastructure associated with it.
1269  */
1270 static int32_t
1271 bnxt_ulp_init(struct bnxt *bp,
1272               struct bnxt_ulp_session_state *session)
1273 {
1274         int rc;
1275
1276         /* Allocate and Initialize the ulp context. */
1277         rc = ulp_ctx_init(bp, session);
1278         if (rc) {
1279                 BNXT_TF_DBG(ERR, "Failed to create the ulp context\n");
1280                 goto jump_to_error;
1281         }
1282
1283         rc = pthread_mutex_init(&bp->ulp_ctx->cfg_data->flow_db_lock, NULL);
1284         if (rc) {
1285                 BNXT_TF_DBG(ERR, "Unable to initialize flow db lock\n");
1286                 goto jump_to_error;
1287         }
1288
1289         /* Initialize ulp dparms with values devargs passed */
1290         rc = ulp_dparms_init(bp, bp->ulp_ctx);
1291         if (rc) {
1292                 BNXT_TF_DBG(ERR, "Failed to initialize the dparms\n");
1293                 goto jump_to_error;
1294         }
1295
1296         /* create the port database */
1297         rc = ulp_port_db_init(bp->ulp_ctx, bp->port_cnt);
1298         if (rc) {
1299                 BNXT_TF_DBG(ERR, "Failed to create the port database\n");
1300                 goto jump_to_error;
1301         }
1302
1303         /* Create the Mark database. */
1304         rc = ulp_mark_db_init(bp->ulp_ctx);
1305         if (rc) {
1306                 BNXT_TF_DBG(ERR, "Failed to create the mark database\n");
1307                 goto jump_to_error;
1308         }
1309
1310         /* Create the flow database. */
1311         rc = ulp_flow_db_init(bp->ulp_ctx);
1312         if (rc) {
1313                 BNXT_TF_DBG(ERR, "Failed to create the flow database\n");
1314                 goto jump_to_error;
1315         }
1316
1317         /* Create the eem table scope. */
1318         rc = ulp_eem_tbl_scope_init(bp);
1319         if (rc) {
1320                 BNXT_TF_DBG(ERR, "Failed to create the eem scope table\n");
1321                 goto jump_to_error;
1322         }
1323
1324         rc = ulp_mapper_init(bp->ulp_ctx);
1325         if (rc) {
1326                 BNXT_TF_DBG(ERR, "Failed to initialize ulp mapper\n");
1327                 goto jump_to_error;
1328         }
1329
1330         rc = ulp_fc_mgr_init(bp->ulp_ctx);
1331         if (rc) {
1332                 BNXT_TF_DBG(ERR, "Failed to initialize ulp flow counter mgr\n");
1333                 goto jump_to_error;
1334         }
1335
1336         /*
1337          * Enable NAT feature. Set the global configuration register
1338          * Tunnel encap to enable NAT with the reuse of existing inner
1339          * L2 header smac and dmac
1340          */
1341         rc = bnxt_ulp_global_cfg_update(bp, TF_DIR_RX, TF_TUNNEL_ENCAP,
1342                                         TF_TUNNEL_ENCAP_NAT,
1343                                         BNXT_ULP_NAT_OUTER_MOST_FLAGS, 1);
1344         if (rc) {
1345                 BNXT_TF_DBG(ERR, "Failed to set rx global configuration\n");
1346                 goto jump_to_error;
1347         }
1348
1349         rc = bnxt_ulp_global_cfg_update(bp, TF_DIR_TX, TF_TUNNEL_ENCAP,
1350                                         TF_TUNNEL_ENCAP_NAT,
1351                                         BNXT_ULP_NAT_OUTER_MOST_FLAGS, 1);
1352         if (rc) {
1353                 BNXT_TF_DBG(ERR, "Failed to set tx global configuration\n");
1354                 goto jump_to_error;
1355         }
1356
1357         if (bnxt_ulp_cntxt_ha_enabled(bp->ulp_ctx)) {
1358                 rc = ulp_ha_mgr_init(bp->ulp_ctx);
1359                 if (rc) {
1360                         BNXT_TF_DBG(ERR, "Failed to initialize HA %d\n", rc);
1361                         goto jump_to_error;
1362                 }
1363                 rc = ulp_ha_mgr_open(bp->ulp_ctx);
1364                 if (rc) {
1365                         BNXT_TF_DBG(ERR, "Failed to Process HA Open %d\n", rc);
1366                         goto jump_to_error;
1367                 }
1368         }
1369         BNXT_TF_DBG(DEBUG, "ulp ctx has been initialized\n");
1370         return rc;
1371
1372 jump_to_error:
1373         bnxt_ulp_deinit(bp, session);
1374         return rc;
1375 }
1376
1377 /*
1378  * When a port is initialized by dpdk. This functions sets up
1379  * the port specific details.
1380  */
1381 int32_t
1382 bnxt_ulp_port_init(struct bnxt *bp)
1383 {
1384         struct bnxt_ulp_session_state *session;
1385         bool initialized;
1386         enum bnxt_ulp_device_id devid = BNXT_ULP_DEVICE_ID_LAST;
1387         uint32_t ulp_flags;
1388         int32_t rc = 0;
1389
1390         if (!BNXT_PF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1391                 BNXT_TF_DBG(ERR,
1392                             "Skip ulp init for port: %d, not a TVF or PF\n",
1393                             bp->eth_dev->data->port_id);
1394                 return rc;
1395         }
1396
1397         if (!BNXT_TRUFLOW_EN(bp)) {
1398                 BNXT_TF_DBG(ERR,
1399                             "Skip ulp init for port: %d, truflow is not enabled\n",
1400                             bp->eth_dev->data->port_id);
1401                 return rc;
1402         }
1403
1404         if (bp->ulp_ctx) {
1405                 BNXT_TF_DBG(DEBUG, "ulp ctx already allocated\n");
1406                 return rc;
1407         }
1408
1409         bp->ulp_ctx = rte_zmalloc("bnxt_ulp_ctx",
1410                                   sizeof(struct bnxt_ulp_context), 0);
1411         if (!bp->ulp_ctx) {
1412                 BNXT_TF_DBG(ERR, "Failed to allocate ulp ctx\n");
1413                 return -ENOMEM;
1414         }
1415
1416         /*
1417          * Multiple uplink ports can be associated with a single vswitch.
1418          * Make sure only the port that is started first will initialize
1419          * the TF session.
1420          */
1421         session = ulp_session_init(bp, &initialized);
1422         if (!session) {
1423                 BNXT_TF_DBG(ERR, "Failed to initialize the tf session\n");
1424                 rc = -EIO;
1425                 goto jump_to_error;
1426         }
1427
1428         if (initialized) {
1429                 /*
1430                  * If ULP is already initialized for a specific domain then
1431                  * simply assign the ulp context to this rte_eth_dev.
1432                  */
1433                 rc = ulp_ctx_attach(bp, session);
1434                 if (rc) {
1435                         BNXT_TF_DBG(ERR, "Failed to attach the ulp context\n");
1436                         goto jump_to_error;
1437                 }
1438
1439                 /*
1440                  * Attach to the shared session, must be called after the
1441                  * ulp_ctx_attach in order to ensure that ulp data is available
1442                  * for attaching.
1443                  */
1444                 rc = ulp_ctx_shared_session_attach(bp, session);
1445                 if (rc) {
1446                         BNXT_TF_DBG(ERR,
1447                                     "Failed attach to shared session (%d)", rc);
1448                         goto jump_to_error;
1449                 }
1450         } else {
1451                 rc = bnxt_ulp_init(bp, session);
1452                 if (rc) {
1453                         BNXT_TF_DBG(ERR, "Failed to initialize the ulp init\n");
1454                         goto jump_to_error;
1455                 }
1456         }
1457
1458         /* Update bnxt driver flags */
1459         rc = ulp_dparms_dev_port_intf_update(bp, bp->ulp_ctx);
1460         if (rc) {
1461                 BNXT_TF_DBG(ERR, "Failed to update driver flags\n");
1462                 goto jump_to_error;
1463         }
1464
1465         /* update the port database for the given interface */
1466         rc = ulp_port_db_dev_port_intf_update(bp->ulp_ctx, bp->eth_dev);
1467         if (rc) {
1468                 BNXT_TF_DBG(ERR, "Failed to update port database\n");
1469                 goto jump_to_error;
1470         }
1471         /* create the default rules */
1472         rc = bnxt_ulp_create_df_rules(bp);
1473         if (rc) {
1474                 BNXT_TF_DBG(ERR, "Failed to create default flow\n");
1475                 goto jump_to_error;
1476         }
1477
1478         rc = bnxt_ulp_devid_get(bp, &devid);
1479         if (rc) {
1480                 BNXT_TF_DBG(ERR, "Unable to determine device for ULP port init.\n");
1481                 goto jump_to_error;
1482         }
1483
1484         if (devid != BNXT_ULP_DEVICE_ID_THOR && BNXT_ACCUM_STATS_EN(bp))
1485                 bp->ulp_ctx->cfg_data->accum_stats = true;
1486
1487         BNXT_TF_DBG(DEBUG, "BNXT Port:%d ULP port init, accum_stats:%d\n",
1488                     bp->eth_dev->data->port_id,
1489                     bp->ulp_ctx->cfg_data->accum_stats);
1490
1491         /* set the unicast mode */
1492         if (bnxt_ulp_cntxt_ptr2_ulp_flags_get(bp->ulp_ctx, &ulp_flags)) {
1493                 BNXT_TF_DBG(ERR, "Error in getting ULP context flags\n");
1494                 goto jump_to_error;
1495         }
1496         if (ulp_flags & BNXT_ULP_APP_UNICAST_ONLY) {
1497                 if (bnxt_pmd_set_unicast_rxmask(bp->eth_dev)) {
1498                         BNXT_TF_DBG(ERR, "Error in setting unicast rxmode\n");
1499                         goto jump_to_error;
1500                 }
1501         }
1502
1503         return rc;
1504
1505 jump_to_error:
1506         bnxt_ulp_port_deinit(bp);
1507         return rc;
1508 }
1509
1510 /*
1511  * When a port is de-initialized by dpdk. This functions clears up
1512  * the port specific details.
1513  */
1514 void
1515 bnxt_ulp_port_deinit(struct bnxt *bp)
1516 {
1517         struct bnxt_ulp_session_state *session;
1518         struct rte_pci_device *pci_dev;
1519         struct rte_pci_addr *pci_addr;
1520
1521         if (!BNXT_PF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1522                 BNXT_TF_DBG(ERR,
1523                             "Skip ULP deinit port:%d, not a TVF or PF\n",
1524                             bp->eth_dev->data->port_id);
1525                 return;
1526         }
1527
1528         if (!BNXT_TRUFLOW_EN(bp)) {
1529                 BNXT_TF_DBG(ERR,
1530                             "Skip ULP deinit for port:%d, truflow is not enabled\n",
1531                             bp->eth_dev->data->port_id);
1532                 return;
1533         }
1534
1535         if (!bp->ulp_ctx) {
1536                 BNXT_TF_DBG(DEBUG, "ulp ctx already de-allocated\n");
1537                 return;
1538         }
1539
1540         BNXT_TF_DBG(DEBUG, "BNXT Port:%d ULP port deinit\n",
1541                     bp->eth_dev->data->port_id);
1542
1543         /* Free the ulp context in the context entry list */
1544         bnxt_ulp_cntxt_list_del(bp->ulp_ctx);
1545
1546         /* Get the session details  */
1547         pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
1548         pci_addr = &pci_dev->addr;
1549         pthread_mutex_lock(&bnxt_ulp_global_mutex);
1550         session = ulp_get_session(pci_addr);
1551         pthread_mutex_unlock(&bnxt_ulp_global_mutex);
1552
1553         /* session not found then just exit */
1554         if (!session) {
1555                 /* Free the ulp context */
1556                 rte_free(bp->ulp_ctx);
1557                 bp->ulp_ctx = NULL;
1558                 return;
1559         }
1560
1561         /* Check the reference count to deinit or deattach*/
1562         if (bp->ulp_ctx->cfg_data && bp->ulp_ctx->cfg_data->ref_cnt) {
1563                 bp->ulp_ctx->cfg_data->ref_cnt--;
1564                 if (bp->ulp_ctx->cfg_data->ref_cnt) {
1565                         /* free the port details */
1566                         /* Free the default flow rule associated to this port */
1567                         bnxt_ulp_destroy_df_rules(bp, false);
1568                         bnxt_ulp_destroy_vfr_default_rules(bp, false);
1569
1570                         /* free flows associated with this port */
1571                         bnxt_ulp_flush_port_flows(bp);
1572
1573                         /* close the session associated with this port */
1574                         ulp_ctx_detach(bp);
1575
1576                         /* always detach/close shared after the session. */
1577                         ulp_ctx_shared_session_detach(bp);
1578                 } else {
1579                         /* Perform ulp ctx deinit */
1580                         bnxt_ulp_deinit(bp, session);
1581                 }
1582         }
1583
1584         /* clean up the session */
1585         ulp_session_deinit(session);
1586
1587         /* Free the ulp context */
1588         rte_free(bp->ulp_ctx);
1589         bp->ulp_ctx = NULL;
1590 }
1591
1592 /* Below are the access functions to access internal data of ulp context. */
1593 /* Function to set the Mark DB into the context */
1594 int32_t
1595 bnxt_ulp_cntxt_ptr2_mark_db_set(struct bnxt_ulp_context *ulp_ctx,
1596                                 struct bnxt_ulp_mark_tbl *mark_tbl)
1597 {
1598         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1599                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1600                 return -EINVAL;
1601         }
1602
1603         ulp_ctx->cfg_data->mark_tbl = mark_tbl;
1604
1605         return 0;
1606 }
1607
1608 /* Function to retrieve the Mark DB from the context. */
1609 struct bnxt_ulp_mark_tbl *
1610 bnxt_ulp_cntxt_ptr2_mark_db_get(struct bnxt_ulp_context *ulp_ctx)
1611 {
1612         if (!ulp_ctx || !ulp_ctx->cfg_data)
1613                 return NULL;
1614
1615         return ulp_ctx->cfg_data->mark_tbl;
1616 }
1617
1618 bool
1619 bnxt_ulp_cntxt_shared_session_enabled(struct bnxt_ulp_context *ulp_ctx)
1620 {
1621         return ULP_SHARED_SESSION_IS_ENABLED(ulp_ctx->cfg_data->ulp_flags);
1622 }
1623
1624 int32_t
1625 bnxt_ulp_cntxt_app_id_set(struct bnxt_ulp_context *ulp_ctx, uint8_t app_id)
1626 {
1627         if (!ulp_ctx)
1628                 return -EINVAL;
1629         ulp_ctx->cfg_data->app_id = app_id;
1630         return 0;
1631 }
1632
1633 int32_t
1634 bnxt_ulp_cntxt_app_id_get(struct bnxt_ulp_context *ulp_ctx, uint8_t *app_id)
1635 {
1636         /* Default APP id is zero */
1637         if (!ulp_ctx || !app_id)
1638                 return -EINVAL;
1639         *app_id = ulp_ctx->cfg_data->app_id;
1640         return 0;
1641 }
1642
1643 /* Function to set the device id of the hardware. */
1644 int32_t
1645 bnxt_ulp_cntxt_dev_id_set(struct bnxt_ulp_context *ulp_ctx,
1646                           uint32_t dev_id)
1647 {
1648         if (ulp_ctx && ulp_ctx->cfg_data) {
1649                 ulp_ctx->cfg_data->dev_id = dev_id;
1650                 return 0;
1651         }
1652
1653         return -EINVAL;
1654 }
1655
1656 /* Function to get the device id of the hardware. */
1657 int32_t
1658 bnxt_ulp_cntxt_dev_id_get(struct bnxt_ulp_context *ulp_ctx,
1659                           uint32_t *dev_id)
1660 {
1661         if (ulp_ctx && ulp_ctx->cfg_data) {
1662                 *dev_id = ulp_ctx->cfg_data->dev_id;
1663                 return 0;
1664         }
1665         *dev_id = BNXT_ULP_DEVICE_ID_LAST;
1666         BNXT_TF_DBG(ERR, "Failed to read dev_id from ulp ctxt\n");
1667         return -EINVAL;
1668 }
1669
1670 int32_t
1671 bnxt_ulp_cntxt_mem_type_set(struct bnxt_ulp_context *ulp_ctx,
1672                             enum bnxt_ulp_flow_mem_type mem_type)
1673 {
1674         if (ulp_ctx && ulp_ctx->cfg_data) {
1675                 ulp_ctx->cfg_data->mem_type = mem_type;
1676                 return 0;
1677         }
1678         BNXT_TF_DBG(ERR, "Failed to write mem_type in ulp ctxt\n");
1679         return -EINVAL;
1680 }
1681
1682 int32_t
1683 bnxt_ulp_cntxt_mem_type_get(struct bnxt_ulp_context *ulp_ctx,
1684                             enum bnxt_ulp_flow_mem_type *mem_type)
1685 {
1686         if (ulp_ctx && ulp_ctx->cfg_data) {
1687                 *mem_type = ulp_ctx->cfg_data->mem_type;
1688                 return 0;
1689         }
1690         *mem_type = BNXT_ULP_FLOW_MEM_TYPE_LAST;
1691         BNXT_TF_DBG(ERR, "Failed to read mem_type in ulp ctxt\n");
1692         return -EINVAL;
1693 }
1694
1695 /* Function to get the table scope id of the EEM table. */
1696 int32_t
1697 bnxt_ulp_cntxt_tbl_scope_id_get(struct bnxt_ulp_context *ulp_ctx,
1698                                 uint32_t *tbl_scope_id)
1699 {
1700         if (ulp_ctx && ulp_ctx->cfg_data) {
1701                 *tbl_scope_id = ulp_ctx->cfg_data->tbl_scope_id;
1702                 return 0;
1703         }
1704
1705         return -EINVAL;
1706 }
1707
1708 /* Function to set the table scope id of the EEM table. */
1709 int32_t
1710 bnxt_ulp_cntxt_tbl_scope_id_set(struct bnxt_ulp_context *ulp_ctx,
1711                                 uint32_t tbl_scope_id)
1712 {
1713         if (ulp_ctx && ulp_ctx->cfg_data) {
1714                 ulp_ctx->cfg_data->tbl_scope_id = tbl_scope_id;
1715                 return 0;
1716         }
1717
1718         return -EINVAL;
1719 }
1720
1721 /* Function to set the shared tfp session details from the ulp context. */
1722 int32_t
1723 bnxt_ulp_cntxt_shared_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp)
1724 {
1725         if (!ulp) {
1726                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1727                 return -EINVAL;
1728         }
1729
1730         if (tfp == NULL) {
1731                 if (ulp->cfg_data->num_shared_clients > 0)
1732                         ulp->cfg_data->num_shared_clients--;
1733         } else {
1734                 ulp->cfg_data->num_shared_clients++;
1735         }
1736
1737         ulp->g_shared_tfp = tfp;
1738         return 0;
1739 }
1740
1741 /* Function to get the shared tfp session details from the ulp context. */
1742 struct tf *
1743 bnxt_ulp_cntxt_shared_tfp_get(struct bnxt_ulp_context *ulp)
1744 {
1745         if (!ulp) {
1746                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1747                 return NULL;
1748         }
1749         return ulp->g_shared_tfp;
1750 }
1751
1752 /* Function to get the number of shared clients attached */
1753 uint8_t
1754 bnxt_ulp_cntxt_num_shared_clients_get(struct bnxt_ulp_context *ulp)
1755 {
1756         if (ulp == NULL || ulp->cfg_data == NULL) {
1757                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1758                 return 0;
1759         }
1760         return ulp->cfg_data->num_shared_clients;
1761 }
1762
1763 /* Function to set the tfp session details from the ulp context. */
1764 int32_t
1765 bnxt_ulp_cntxt_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp)
1766 {
1767         if (!ulp) {
1768                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1769                 return -EINVAL;
1770         }
1771
1772         ulp->g_tfp = tfp;
1773         return 0;
1774 }
1775
1776 /* Function to get the tfp session details from the ulp context. */
1777 struct tf *
1778 bnxt_ulp_cntxt_tfp_get(struct bnxt_ulp_context *ulp,
1779                        enum bnxt_ulp_shared_session shared)
1780 {
1781         if (!ulp) {
1782                 BNXT_TF_DBG(ERR, "Invalid arguments\n");
1783                 return NULL;
1784         }
1785         if (shared)
1786                 return ulp->g_shared_tfp;
1787         else
1788                 return ulp->g_tfp;
1789 }
1790
1791 /*
1792  * Get the device table entry based on the device id.
1793  *
1794  * dev_id [in] The device id of the hardware
1795  *
1796  * Returns the pointer to the device parameters.
1797  */
1798 struct bnxt_ulp_device_params *
1799 bnxt_ulp_device_params_get(uint32_t dev_id)
1800 {
1801         if (dev_id < BNXT_ULP_MAX_NUM_DEVICES)
1802                 return &ulp_device_params[dev_id];
1803         return NULL;
1804 }
1805
1806 /* Function to set the flow database to the ulp context. */
1807 int32_t
1808 bnxt_ulp_cntxt_ptr2_flow_db_set(struct bnxt_ulp_context *ulp_ctx,
1809                                 struct bnxt_ulp_flow_db *flow_db)
1810 {
1811         if (!ulp_ctx || !ulp_ctx->cfg_data)
1812                 return -EINVAL;
1813
1814         ulp_ctx->cfg_data->flow_db = flow_db;
1815         return 0;
1816 }
1817
1818 /* Function to get the flow database from the ulp context. */
1819 struct bnxt_ulp_flow_db *
1820 bnxt_ulp_cntxt_ptr2_flow_db_get(struct bnxt_ulp_context *ulp_ctx)
1821 {
1822         if (!ulp_ctx || !ulp_ctx->cfg_data)
1823                 return NULL;
1824
1825         return ulp_ctx->cfg_data->flow_db;
1826 }
1827
1828 /* Function to get the tunnel cache table info from the ulp context. */
1829 struct bnxt_tun_cache_entry *
1830 bnxt_ulp_cntxt_ptr2_tun_tbl_get(struct bnxt_ulp_context *ulp_ctx)
1831 {
1832         if (!ulp_ctx || !ulp_ctx->cfg_data)
1833                 return NULL;
1834
1835         return ulp_ctx->cfg_data->tun_tbl;
1836 }
1837
1838 /* Function to get the ulp context from eth device. */
1839 struct bnxt_ulp_context *
1840 bnxt_ulp_eth_dev_ptr2_cntxt_get(struct rte_eth_dev      *dev)
1841 {
1842         struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
1843
1844         if (BNXT_ETH_DEV_IS_REPRESENTOR(dev)) {
1845                 struct bnxt_representor *vfr = dev->data->dev_private;
1846
1847                 bp = vfr->parent_dev->data->dev_private;
1848         }
1849
1850         if (!bp) {
1851                 BNXT_TF_DBG(ERR, "Bnxt private data is not initialized\n");
1852                 return NULL;
1853         }
1854         return bp->ulp_ctx;
1855 }
1856
1857 int32_t
1858 bnxt_ulp_cntxt_ptr2_mapper_data_set(struct bnxt_ulp_context *ulp_ctx,
1859                                     void *mapper_data)
1860 {
1861         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1862                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1863                 return -EINVAL;
1864         }
1865
1866         ulp_ctx->cfg_data->mapper_data = mapper_data;
1867         return 0;
1868 }
1869
1870 void *
1871 bnxt_ulp_cntxt_ptr2_mapper_data_get(struct bnxt_ulp_context *ulp_ctx)
1872 {
1873         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1874                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1875                 return NULL;
1876         }
1877
1878         return ulp_ctx->cfg_data->mapper_data;
1879 }
1880
1881 /* Function to set the port database to the ulp context. */
1882 int32_t
1883 bnxt_ulp_cntxt_ptr2_port_db_set(struct bnxt_ulp_context *ulp_ctx,
1884                                 struct bnxt_ulp_port_db *port_db)
1885 {
1886         if (!ulp_ctx || !ulp_ctx->cfg_data)
1887                 return -EINVAL;
1888
1889         ulp_ctx->cfg_data->port_db = port_db;
1890         return 0;
1891 }
1892
1893 /* Function to get the port database from the ulp context. */
1894 struct bnxt_ulp_port_db *
1895 bnxt_ulp_cntxt_ptr2_port_db_get(struct bnxt_ulp_context *ulp_ctx)
1896 {
1897         if (!ulp_ctx || !ulp_ctx->cfg_data)
1898                 return NULL;
1899
1900         return ulp_ctx->cfg_data->port_db;
1901 }
1902
1903 /* Function to set the flow counter info into the context */
1904 int32_t
1905 bnxt_ulp_cntxt_ptr2_fc_info_set(struct bnxt_ulp_context *ulp_ctx,
1906                                 struct bnxt_ulp_fc_info *ulp_fc_info)
1907 {
1908         if (!ulp_ctx || !ulp_ctx->cfg_data) {
1909                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1910                 return -EINVAL;
1911         }
1912
1913         ulp_ctx->cfg_data->fc_info = ulp_fc_info;
1914
1915         return 0;
1916 }
1917
1918 /* Function to retrieve the flow counter info from the context. */
1919 struct bnxt_ulp_fc_info *
1920 bnxt_ulp_cntxt_ptr2_fc_info_get(struct bnxt_ulp_context *ulp_ctx)
1921 {
1922         if (!ulp_ctx || !ulp_ctx->cfg_data)
1923                 return NULL;
1924
1925         return ulp_ctx->cfg_data->fc_info;
1926 }
1927
1928 /* Function to get the ulp flags from the ulp context. */
1929 int32_t
1930 bnxt_ulp_cntxt_ptr2_ulp_flags_get(struct bnxt_ulp_context *ulp_ctx,
1931                                   uint32_t *flags)
1932 {
1933         if (!ulp_ctx || !ulp_ctx->cfg_data)
1934                 return -1;
1935
1936         *flags =  ulp_ctx->cfg_data->ulp_flags;
1937         return 0;
1938 }
1939
1940 /* Function to get the ulp vfr info from the ulp context. */
1941 struct bnxt_ulp_vfr_rule_info*
1942 bnxt_ulp_cntxt_ptr2_ulp_vfr_info_get(struct bnxt_ulp_context *ulp_ctx,
1943                                      uint32_t port_id)
1944 {
1945         if (!ulp_ctx || !ulp_ctx->cfg_data || port_id >= RTE_MAX_ETHPORTS)
1946                 return NULL;
1947
1948         return &ulp_ctx->cfg_data->vfr_rule_info[port_id];
1949 }
1950
1951 /* Function to acquire the flow database lock from the ulp context. */
1952 int32_t
1953 bnxt_ulp_cntxt_acquire_fdb_lock(struct bnxt_ulp_context *ulp_ctx)
1954 {
1955         if (!ulp_ctx || !ulp_ctx->cfg_data)
1956                 return -1;
1957
1958         if (pthread_mutex_lock(&ulp_ctx->cfg_data->flow_db_lock)) {
1959                 BNXT_TF_DBG(ERR, "unable to acquire fdb lock\n");
1960                 return -1;
1961         }
1962         return 0;
1963 }
1964
1965 /* Function to release the flow database lock from the ulp context. */
1966 void
1967 bnxt_ulp_cntxt_release_fdb_lock(struct bnxt_ulp_context *ulp_ctx)
1968 {
1969         if (!ulp_ctx || !ulp_ctx->cfg_data)
1970                 return;
1971
1972         pthread_mutex_unlock(&ulp_ctx->cfg_data->flow_db_lock);
1973 }
1974
1975 /* Function to set the ha info into the context */
1976 int32_t
1977 bnxt_ulp_cntxt_ptr2_ha_info_set(struct bnxt_ulp_context *ulp_ctx,
1978                                 struct bnxt_ulp_ha_mgr_info *ulp_ha_info)
1979 {
1980         if (ulp_ctx == NULL || ulp_ctx->cfg_data == NULL) {
1981                 BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
1982                 return -EINVAL;
1983         }
1984         ulp_ctx->cfg_data->ha_info = ulp_ha_info;
1985         return 0;
1986 }
1987
1988 /* Function to retrieve the ha info from the context. */
1989 struct bnxt_ulp_ha_mgr_info *
1990 bnxt_ulp_cntxt_ptr2_ha_info_get(struct bnxt_ulp_context *ulp_ctx)
1991 {
1992         if (ulp_ctx == NULL || ulp_ctx->cfg_data == NULL)
1993                 return NULL;
1994         return ulp_ctx->cfg_data->ha_info;
1995 }
1996
1997 bool
1998 bnxt_ulp_cntxt_ha_enabled(struct bnxt_ulp_context *ulp_ctx)
1999 {
2000         if (ulp_ctx == NULL || ulp_ctx->cfg_data == NULL)
2001                 return false;
2002         return !!ULP_HIGH_AVAIL_IS_ENABLED(ulp_ctx->cfg_data->ulp_flags);
2003 }
2004
2005 static int32_t
2006 bnxt_ulp_cntxt_list_init(void)
2007 {
2008         /* Create the cntxt spin lock */
2009         rte_spinlock_init(&bnxt_ulp_ctxt_lock);
2010
2011         return 0;
2012 }
2013
2014 static int32_t
2015 bnxt_ulp_cntxt_list_add(struct bnxt_ulp_context *ulp_ctx)
2016 {
2017         struct ulp_context_list_entry   *entry;
2018
2019         entry = rte_zmalloc(NULL, sizeof(struct ulp_context_list_entry), 0);
2020         if (entry == NULL) {
2021                 BNXT_TF_DBG(ERR, "unable to allocate memory\n");
2022                 return -ENOMEM;
2023         }
2024
2025         rte_spinlock_lock(&bnxt_ulp_ctxt_lock);
2026         entry->ulp_ctx = ulp_ctx;
2027         TAILQ_INSERT_TAIL(&ulp_cntx_list, entry, next);
2028         rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
2029         return 0;
2030 }
2031
2032 static void
2033 bnxt_ulp_cntxt_list_del(struct bnxt_ulp_context *ulp_ctx)
2034 {
2035         struct ulp_context_list_entry   *entry, *temp;
2036
2037         rte_spinlock_lock(&bnxt_ulp_ctxt_lock);
2038         RTE_TAILQ_FOREACH_SAFE(entry, &ulp_cntx_list, next, temp) {
2039                 if (entry->ulp_ctx == ulp_ctx) {
2040                         TAILQ_REMOVE(&ulp_cntx_list, entry, next);
2041                         rte_free(entry);
2042                         break;
2043                 }
2044         }
2045         rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
2046 }
2047
2048 struct bnxt_ulp_context *
2049 bnxt_ulp_cntxt_entry_acquire(void)
2050 {
2051         struct ulp_context_list_entry   *entry;
2052
2053         /* take a lock and get the first ulp context available */
2054         if (rte_spinlock_trylock(&bnxt_ulp_ctxt_lock)) {
2055                 TAILQ_FOREACH(entry, &ulp_cntx_list, next)
2056                         if (entry->ulp_ctx)
2057                                 return entry->ulp_ctx;
2058         }
2059         return NULL;
2060 }
2061
2062 void
2063 bnxt_ulp_cntxt_entry_release(void)
2064 {
2065         rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
2066 }
2067
2068 /* Function to get the app tunnel details from the ulp context. */
2069 struct bnxt_flow_app_tun_ent *
2070 bnxt_ulp_cntxt_ptr2_app_tun_list_get(struct bnxt_ulp_context *ulp)
2071 {
2072         if (!ulp || !ulp->cfg_data)
2073                 return NULL;
2074
2075         return ulp->cfg_data->app_tun;
2076 }