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