drivers/common/cnxk/roc_npc.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #include "roc_api.h"
   6 #include "roc_priv.h"
   7
   8 int
   9 roc_npc_vtag_actions_get(struct roc_npc *roc_npc)
  10 {
  11         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  12
  13         return npc->vtag_strip_actions;
  14 }
  15
  16 int
  17 roc_npc_vtag_actions_sub_return(struct roc_npc *roc_npc, uint32_t count)
  18 {
  19         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  20
  21         npc->vtag_strip_actions -= count;
  22         return npc->vtag_strip_actions;
  23 }
  24
  25 int
  26 roc_npc_mcam_free_counter(struct roc_npc *roc_npc, uint16_t ctr_id)
  27 {
  28         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  29
  30         return npc_mcam_free_counter(npc, ctr_id);
  31 }
  32
  33 int
  34 roc_npc_mcam_read_counter(struct roc_npc *roc_npc, uint32_t ctr_id,
  35                           uint64_t *count)
  36 {
  37         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  38
  39         return npc_mcam_read_counter(npc, ctr_id, count);
  40 }
  41
  42 int
  43 roc_npc_mcam_clear_counter(struct roc_npc *roc_npc, uint32_t ctr_id)
  44 {
  45         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  46
  47         return npc_mcam_clear_counter(npc, ctr_id);
  48 }
  49
  50 int
  51 roc_npc_mcam_free_entry(struct roc_npc *roc_npc, uint32_t entry)
  52 {
  53         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  54
  55         return npc_mcam_free_entry(npc, entry);
  56 }
  57
  58 int
  59 roc_npc_mcam_free_all_resources(struct roc_npc *roc_npc)
  60 {
  61         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  62
  63         return npc_flow_free_all_resources(npc);
  64 }
  65
  66 int
  67 roc_npc_mcam_alloc_entries(struct roc_npc *roc_npc, int ref_entry,
  68                            int *alloc_entry, int req_count, int priority,
  69                            int *resp_count)
  70 {
  71         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  72
  73         return npc_mcam_alloc_entries(npc, ref_entry, alloc_entry, req_count,
  74                                       priority, resp_count);
  75 }
  76
  77 int
  78 roc_npc_mcam_alloc_entry(struct roc_npc *roc_npc, struct roc_npc_flow *mcam,
  79                          struct roc_npc_flow *ref_mcam, int prio,
  80                          int *resp_count)
  81 {
  82         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  83
  84         return npc_mcam_alloc_entry(npc, mcam, ref_mcam, prio, resp_count);
  85 }
  86
  87 int
  88 roc_npc_mcam_ena_dis_entry(struct roc_npc *roc_npc, struct roc_npc_flow *mcam,
  89                            bool enable)
  90 {
  91         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
  92
  93         return npc_mcam_ena_dis_entry(npc, mcam, enable);
  94 }
  95
  96 int
  97 roc_npc_mcam_write_entry(struct roc_npc *roc_npc, struct roc_npc_flow *mcam)
  98 {
  99         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
 100
 101         return npc_mcam_write_entry(npc, mcam);
 102 }
 103
 104 int
 105 roc_npc_get_low_priority_mcam(struct roc_npc *roc_npc)
 106 {
 107         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
 108
 109         if (roc_model_is_cn10k())
 110                 return (npc->mcam_entries - NPC_MCAME_RESVD_10XX - 1);
 111         else if (roc_model_is_cn98xx())
 112                 return (npc->mcam_entries - NPC_MCAME_RESVD_98XX - 1);
 113         else
 114                 return (npc->mcam_entries - NPC_MCAME_RESVD_9XXX - 1);
 115 }
 116
 117 static int
 118 npc_mcam_tot_entries(void)
 119 {
 120         /* FIXME: change to reading in AF from NPC_AF_CONST1/2
 121          * MCAM_BANK_DEPTH(_EXT) * MCAM_BANKS
 122          */
 123         if (roc_model_is_cn10k() || roc_model_is_cn98xx())
 124                 return 16 * 1024; /* MCAM_BANKS = 4, BANK_DEPTH_EXT = 4096 */
 125         else
 126                 return 4 * 1024; /* MCAM_BANKS = 4, BANK_DEPTH_EXT = 1024 */
 127 }
 128
 129 const char *
 130 roc_npc_profile_name_get(struct roc_npc *roc_npc)
 131 {
 132         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
 133
 134         return (char *)npc->profile_name;
 135 }
 136
 137 int
 138 roc_npc_init(struct roc_npc *roc_npc)
 139 {
 140         uint8_t *mem = NULL, *nix_mem = NULL, *npc_mem = NULL;
 141         struct nix *nix = roc_nix_to_nix_priv(roc_npc->roc_nix);
 142         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
 143         uint32_t bmap_sz;
 144         int rc = 0, idx;
 145         size_t sz;
 146
 147         PLT_STATIC_ASSERT(sizeof(struct npc) <= ROC_NPC_MEM_SZ);
 148
 149         memset(npc, 0, sizeof(*npc));
 150         npc->mbox = (&nix->dev)->mbox;
 151         roc_npc->channel = nix->rx_chan_base;
 152         roc_npc->pf_func = (&nix->dev)->pf_func;
 153         npc->channel = roc_npc->channel;
 154         npc->pf_func = roc_npc->pf_func;
 155         npc->flow_max_priority = roc_npc->flow_max_priority;
 156         npc->switch_header_type = roc_npc->switch_header_type;
 157         npc->flow_prealloc_size = roc_npc->flow_prealloc_size;
 158
 159         if (npc->mbox == NULL)
 160                 return NPC_ERR_PARAM;
 161
 162         rc = npc_mcam_fetch_kex_cfg(npc);
 163         if (rc)
 164                 goto done;
 165
 166         roc_npc->kex_capability = npc_get_kex_capability(npc);
 167         roc_npc->rx_parse_nibble = npc->keyx_supp_nmask[NPC_MCAM_RX];
 168
 169         npc->mark_actions = 0;
 170
 171         npc->mcam_entries = npc_mcam_tot_entries() >> npc->keyw[NPC_MCAM_RX];
 172
 173         /* Free, free_rev, live and live_rev entries */
 174         bmap_sz = plt_bitmap_get_memory_footprint(npc->mcam_entries);
 175         mem = plt_zmalloc(4 * bmap_sz * npc->flow_max_priority, 0);
 176         if (mem == NULL) {
 177                 plt_err("Bmap alloc failed");
 178                 rc = NPC_ERR_NO_MEM;
 179                 return rc;
 180         }
 181
 182         sz = npc->flow_max_priority * sizeof(struct npc_mcam_ents_info);
 183         npc->flow_entry_info = plt_zmalloc(sz, 0);
 184         if (npc->flow_entry_info == NULL) {
 185                 plt_err("flow_entry_info alloc failed");
 186                 rc = NPC_ERR_NO_MEM;
 187                 goto done;
 188         }
 189
 190         sz = npc->flow_max_priority * sizeof(struct plt_bitmap *);
 191         npc->free_entries = plt_zmalloc(sz, 0);
 192         if (npc->free_entries == NULL) {
 193                 plt_err("free_entries alloc failed");
 194                 rc = NPC_ERR_NO_MEM;
 195                 goto done;
 196         }
 197
 198         sz = npc->flow_max_priority * sizeof(struct plt_bitmap *);
 199         npc->free_entries_rev = plt_zmalloc(sz, 0);
 200         if (npc->free_entries_rev == NULL) {
 201                 plt_err("free_entries_rev alloc failed");
 202                 rc = NPC_ERR_NO_MEM;
 203                 goto done;
 204         }
 205
 206         sz = npc->flow_max_priority * sizeof(struct plt_bitmap *);
 207         npc->live_entries = plt_zmalloc(sz, 0);
 208         if (npc->live_entries == NULL) {
 209                 plt_err("live_entries alloc failed");
 210                 rc = NPC_ERR_NO_MEM;
 211                 goto done;
 212         }
 213
 214         sz = npc->flow_max_priority * sizeof(struct plt_bitmap *);
 215         npc->live_entries_rev = plt_zmalloc(sz, 0);
 216         if (npc->live_entries_rev == NULL) {
 217                 plt_err("live_entries_rev alloc failed");
 218                 rc = NPC_ERR_NO_MEM;
 219                 goto done;
 220         }
 221
 222         sz = npc->flow_max_priority * sizeof(struct npc_flow_list);
 223         npc->flow_list = plt_zmalloc(sz, 0);
 224         if (npc->flow_list == NULL) {
 225                 plt_err("flow_list alloc failed");
 226                 rc = NPC_ERR_NO_MEM;
 227                 goto done;
 228         }
 229
 230         npc_mem = mem;
 231         for (idx = 0; idx < npc->flow_max_priority; idx++) {
 232                 TAILQ_INIT(&npc->flow_list[idx]);
 233
 234                 npc->free_entries[idx] =
 235                         plt_bitmap_init(npc->mcam_entries, mem, bmap_sz);
 236                 mem += bmap_sz;
 237
 238                 npc->free_entries_rev[idx] =
 239                         plt_bitmap_init(npc->mcam_entries, mem, bmap_sz);
 240                 mem += bmap_sz;
 241
 242                 npc->live_entries[idx] =
 243                         plt_bitmap_init(npc->mcam_entries, mem, bmap_sz);
 244                 mem += bmap_sz;
 245
 246                 npc->live_entries_rev[idx] =
 247                         plt_bitmap_init(npc->mcam_entries, mem, bmap_sz);
 248                 mem += bmap_sz;
 249
 250                 npc->flow_entry_info[idx].free_ent = 0;
 251                 npc->flow_entry_info[idx].live_ent = 0;
 252                 npc->flow_entry_info[idx].max_id = 0;
 253                 npc->flow_entry_info[idx].min_id = ~(0);
 254         }
 255
 256         npc->rss_grps = NPC_RSS_GRPS;
 257
 258         bmap_sz = plt_bitmap_get_memory_footprint(npc->rss_grps);
 259         nix_mem = plt_zmalloc(bmap_sz, 0);
 260         if (nix_mem == NULL) {
 261                 plt_err("Bmap alloc failed");
 262                 rc = NPC_ERR_NO_MEM;
 263                 goto done;
 264         }
 265
 266         npc->rss_grp_entries = plt_bitmap_init(npc->rss_grps, nix_mem, bmap_sz);
 267
 268         if (!npc->rss_grp_entries) {
 269                 plt_err("bitmap init failed");
 270                 rc = NPC_ERR_NO_MEM;
 271                 goto done;
 272         }
 273
 274         /* Group 0 will be used for RSS,
 275          * 1 -7 will be used for npc_flow RSS action
 276          */
 277         plt_bitmap_set(npc->rss_grp_entries, 0);
 278
 279         return rc;
 280
 281 done:
 282         if (npc->flow_list)
 283                 plt_free(npc->flow_list);
 284         if (npc->live_entries_rev)
 285                 plt_free(npc->live_entries_rev);
 286         if (npc->live_entries)
 287                 plt_free(npc->live_entries);
 288         if (npc->free_entries_rev)
 289                 plt_free(npc->free_entries_rev);
 290         if (npc->free_entries)
 291                 plt_free(npc->free_entries);
 292         if (npc->flow_entry_info)
 293                 plt_free(npc->flow_entry_info);
 294         if (npc_mem)
 295                 plt_free(npc_mem);
 296         return rc;
 297 }
 298
 299 int
 300 roc_npc_fini(struct roc_npc *roc_npc)
 301 {
 302         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
 303         int rc;
 304
 305         rc = npc_flow_free_all_resources(npc);
 306         if (rc) {
 307                 plt_err("Error when deleting NPC MCAM entries, counters");
 308                 return rc;
 309         }
 310
 311         if (npc->flow_list) {
 312                 plt_free(npc->flow_list);
 313                 npc->flow_list = NULL;
 314         }
 315
 316         if (npc->live_entries_rev) {
 317                 plt_free(npc->live_entries_rev);
 318                 npc->live_entries_rev = NULL;
 319         }
 320
 321         if (npc->live_entries) {
 322                 plt_free(npc->live_entries);
 323                 npc->live_entries = NULL;
 324         }
 325
 326         if (npc->free_entries_rev) {
 327                 plt_free(npc->free_entries_rev);
 328                 npc->free_entries_rev = NULL;
 329         }
 330
 331         if (npc->free_entries) {
 332                 plt_free(npc->free_entries);
 333                 npc->free_entries = NULL;
 334         }
 335
 336         if (npc->flow_entry_info) {
 337                 plt_free(npc->flow_entry_info);
 338                 npc->flow_entry_info = NULL;
 339         }
 340
 341         return 0;
 342 }
 343
 344 static int
 345 npc_parse_actions(struct npc *npc, const struct roc_npc_attr *attr,
 346                   const struct roc_npc_action actions[],
 347                   struct roc_npc_flow *flow)
 348 {
 349         const struct roc_npc_action_mark *act_mark;
 350         const struct roc_npc_action_queue *act_q;
 351         const struct roc_npc_action_vf *vf_act;
 352         bool vlan_insert_action = false;
 353         int sel_act, req_act = 0;
 354         uint16_t pf_func, vf_id;
 355         int errcode = 0;
 356         int mark = 0;
 357         int rq = 0;
 358
 359         /* Initialize actions */
 360         flow->ctr_id = NPC_COUNTER_NONE;
 361         pf_func = npc->pf_func;
 362
 363         for (; actions->type != ROC_NPC_ACTION_TYPE_END; actions++) {
 364                 switch (actions->type) {
 365                 case ROC_NPC_ACTION_TYPE_VOID:
 366                         break;
 367                 case ROC_NPC_ACTION_TYPE_MARK:
 368                         act_mark = (const struct roc_npc_action_mark *)
 369                                            actions->conf;
 370                         if (act_mark->id > (NPC_FLOW_FLAG_VAL - 2)) {
 371                                 plt_err("mark value must be < 0xfffe");
 372                                 goto err_exit;
 373                         }
 374                         mark = act_mark->id + 1;
 375                         req_act |= ROC_NPC_ACTION_TYPE_MARK;
 376                         npc->mark_actions += 1;
 377                         break;
 378
 379                 case ROC_NPC_ACTION_TYPE_FLAG:
 380                         mark = NPC_FLOW_FLAG_VAL;
 381                         req_act |= ROC_NPC_ACTION_TYPE_FLAG;
 382                         npc->mark_actions += 1;
 383                         break;
 384
 385                 case ROC_NPC_ACTION_TYPE_COUNT:
 386                         /* Indicates, need a counter */
 387                         flow->ctr_id = 1;
 388                         req_act |= ROC_NPC_ACTION_TYPE_COUNT;
 389                         break;
 390
 391                 case ROC_NPC_ACTION_TYPE_DROP:
 392                         req_act |= ROC_NPC_ACTION_TYPE_DROP;
 393                         break;
 394
 395                 case ROC_NPC_ACTION_TYPE_PF:
 396                         req_act |= ROC_NPC_ACTION_TYPE_PF;
 397                         pf_func &= (0xfc00);
 398                         break;
 399
 400                 case ROC_NPC_ACTION_TYPE_VF:
 401                         vf_act =
 402                                 (const struct roc_npc_action_vf *)actions->conf;
 403                         req_act |= ROC_NPC_ACTION_TYPE_VF;
 404                         vf_id = vf_act->id & RVU_PFVF_FUNC_MASK;
 405                         pf_func &= (0xfc00);
 406                         pf_func = (pf_func | (vf_id + 1));
 407                         break;
 408
 409                 case ROC_NPC_ACTION_TYPE_QUEUE:
 410                         act_q = (const struct roc_npc_action_queue *)
 411                                         actions->conf;
 412                         rq = act_q->index;
 413                         req_act |= ROC_NPC_ACTION_TYPE_QUEUE;
 414                         break;
 415
 416                 case ROC_NPC_ACTION_TYPE_RSS:
 417                         req_act |= ROC_NPC_ACTION_TYPE_RSS;
 418                         break;
 419
 420                 case ROC_NPC_ACTION_TYPE_SEC:
 421                         /* Assumes user has already configured security
 422                          * session for this flow. Associated conf is
 423                          * opaque. When security is implemented,
 424                          * we need to verify that for specified security
 425                          * session:
 426                          *  action_type ==
 427                          *    NPC_SECURITY_ACTION_TYPE_INLINE_PROTOCOL &&
 428                          *  session_protocol ==
 429                          *    NPC_SECURITY_PROTOCOL_IPSEC
 430                          *
 431                          * RSS is not supported with inline ipsec. Get the
 432                          * rq from associated conf, or make
 433                          * ROC_NPC_ACTION_TYPE_QUEUE compulsory with this
 434                          * action.
 435                          * Currently, rq = 0 is assumed.
 436                          */
 437                         req_act |= ROC_NPC_ACTION_TYPE_SEC;
 438                         rq = 0;
 439                         break;
 440                 case ROC_NPC_ACTION_TYPE_VLAN_STRIP:
 441                         req_act |= ROC_NPC_ACTION_TYPE_VLAN_STRIP;
 442                         break;
 443                 case ROC_NPC_ACTION_TYPE_VLAN_INSERT:
 444                         req_act |= ROC_NPC_ACTION_TYPE_VLAN_INSERT;
 445                         break;
 446                 case ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT:
 447                         req_act |= ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT;
 448                         break;
 449                 case ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT:
 450                         req_act |= ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT;
 451                         break;
 452                 default:
 453                         errcode = NPC_ERR_ACTION_NOTSUP;
 454                         goto err_exit;
 455                 }
 456         }
 457
 458         if (req_act & (ROC_NPC_ACTION_TYPE_VLAN_INSERT |
 459                        ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT |
 460                        ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT))
 461                 vlan_insert_action = true;
 462
 463         if ((req_act & (ROC_NPC_ACTION_TYPE_VLAN_INSERT |
 464                         ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT |
 465                         ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT)) ==
 466             ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT) {
 467                 plt_err("PCP insert action can't be supported alone");
 468                 errcode = NPC_ERR_ACTION_NOTSUP;
 469                 goto err_exit;
 470         }
 471
 472         /* Both STRIP and INSERT actions are not supported */
 473         if (vlan_insert_action && (req_act & ROC_NPC_ACTION_TYPE_VLAN_STRIP)) {
 474                 errcode = NPC_ERR_ACTION_NOTSUP;
 475                 goto err_exit;
 476         }
 477
 478         /* Check if actions specified are compatible */
 479         if (attr->egress) {
 480                 if (req_act & ROC_NPC_ACTION_TYPE_VLAN_STRIP) {
 481                         plt_err("VLAN pop action is not supported on Egress");
 482                         errcode = NPC_ERR_ACTION_NOTSUP;
 483                         goto err_exit;
 484                 }
 485
 486                 if (req_act &
 487                     ~(ROC_NPC_ACTION_TYPE_VLAN_INSERT |
 488                       ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT |
 489                       ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT |
 490                       ROC_NPC_ACTION_TYPE_DROP | ROC_NPC_ACTION_TYPE_COUNT)) {
 491                         plt_err("Only VLAN insert, drop, count supported on Egress");
 492                         errcode = NPC_ERR_ACTION_NOTSUP;
 493                         goto err_exit;
 494                 }
 495
 496                 if (vlan_insert_action &&
 497                     (req_act & ROC_NPC_ACTION_TYPE_DROP)) {
 498                         plt_err("Both VLAN insert and drop actions cannot be supported");
 499                         errcode = NPC_ERR_ACTION_NOTSUP;
 500                         goto err_exit;
 501                 }
 502
 503                 if (req_act & ROC_NPC_ACTION_TYPE_DROP) {
 504                         flow->npc_action = NIX_TX_ACTIONOP_DROP;
 505                 } else if ((req_act & ROC_NPC_ACTION_TYPE_COUNT) ||
 506                            vlan_insert_action) {
 507                         flow->npc_action = NIX_TX_ACTIONOP_UCAST_DEFAULT;
 508                 } else {
 509                         plt_err("Unsupported action for egress");
 510                         errcode = NPC_ERR_ACTION_NOTSUP;
 511                         goto err_exit;
 512                 }
 513
 514                 goto set_pf_func;
 515         } else {
 516                 if (vlan_insert_action) {
 517                         errcode = NPC_ERR_ACTION_NOTSUP;
 518                         goto err_exit;
 519                 }
 520         }
 521
 522         /* We have already verified the attr, this is ingress.
 523          * - Exactly one terminating action is supported
 524          * - Exactly one of MARK or FLAG is supported
 525          * - If terminating action is DROP, only count is valid.
 526          */
 527         sel_act = req_act & NPC_ACTION_TERM;
 528         if ((sel_act & (sel_act - 1)) != 0) {
 529                 errcode = NPC_ERR_ACTION_NOTSUP;
 530                 goto err_exit;
 531         }
 532
 533         if (req_act & ROC_NPC_ACTION_TYPE_DROP) {
 534                 sel_act = req_act & ~ROC_NPC_ACTION_TYPE_COUNT;
 535                 if ((sel_act & (sel_act - 1)) != 0) {
 536                         errcode = NPC_ERR_ACTION_NOTSUP;
 537                         goto err_exit;
 538                 }
 539         }
 540
 541         if ((req_act & (ROC_NPC_ACTION_TYPE_FLAG | ROC_NPC_ACTION_TYPE_MARK)) ==
 542             (ROC_NPC_ACTION_TYPE_FLAG | ROC_NPC_ACTION_TYPE_MARK)) {
 543                 errcode = NPC_ERR_ACTION_NOTSUP;
 544                 goto err_exit;
 545         }
 546
 547         if (req_act & ROC_NPC_ACTION_TYPE_VLAN_STRIP)
 548                 npc->vtag_strip_actions++;
 549
 550         /* Set NIX_RX_ACTIONOP */
 551         if (req_act == ROC_NPC_ACTION_TYPE_VLAN_STRIP) {
 552                 /* Only VLAN action is provided */
 553                 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
 554         } else if (req_act &
 555                    (ROC_NPC_ACTION_TYPE_PF | ROC_NPC_ACTION_TYPE_VF)) {
 556                 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
 557                 if (req_act & ROC_NPC_ACTION_TYPE_QUEUE)
 558                         flow->npc_action |= (uint64_t)rq << 20;
 559         } else if (req_act & ROC_NPC_ACTION_TYPE_DROP) {
 560                 flow->npc_action = NIX_RX_ACTIONOP_DROP;
 561         } else if (req_act & ROC_NPC_ACTION_TYPE_QUEUE) {
 562                 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
 563                 flow->npc_action |= (uint64_t)rq << 20;
 564         } else if (req_act & ROC_NPC_ACTION_TYPE_RSS) {
 565                 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
 566         } else if (req_act & ROC_NPC_ACTION_TYPE_SEC) {
 567                 flow->npc_action = NIX_RX_ACTIONOP_UCAST_IPSEC;
 568                 flow->npc_action |= (uint64_t)rq << 20;
 569         } else if (req_act &
 570                    (ROC_NPC_ACTION_TYPE_FLAG | ROC_NPC_ACTION_TYPE_MARK)) {
 571                 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
 572         } else if (req_act & ROC_NPC_ACTION_TYPE_COUNT) {
 573                 /* Keep ROC_NPC_ACTION_TYPE_COUNT_ACT always at the end
 574                  * This is default action, when user specify only
 575                  * COUNT ACTION
 576                  */
 577                 flow->npc_action = NIX_RX_ACTIONOP_UCAST;
 578         } else {
 579                 /* Should never reach here */
 580                 errcode = NPC_ERR_ACTION_NOTSUP;
 581                 goto err_exit;
 582         }
 583
 584         if (mark)
 585                 flow->npc_action |= (uint64_t)mark << 40;
 586
 587 set_pf_func:
 588         /* Ideally AF must ensure that correct pf_func is set */
 589         flow->npc_action |= (uint64_t)pf_func << 4;
 590
 591         return 0;
 592
 593 err_exit:
 594         return errcode;
 595 }
 596
 597 typedef int (*npc_parse_stage_func_t)(struct npc_parse_state *pst);
 598
 599 static int
 600 npc_parse_pattern(struct npc *npc, const struct roc_npc_item_info pattern[],
 601                   struct roc_npc_flow *flow, struct npc_parse_state *pst)
 602 {
 603         npc_parse_stage_func_t parse_stage_funcs[] = {
 604                 npc_parse_meta_items, npc_parse_cpt_hdr, npc_parse_higig2_hdr,
 605                 npc_parse_la,         npc_parse_lb,      npc_parse_lc,
 606                 npc_parse_ld,         npc_parse_le,      npc_parse_lf,
 607                 npc_parse_lg,         npc_parse_lh,
 608         };
 609         uint8_t layer = 0;
 610         int key_offset;
 611         int rc;
 612
 613         if (pattern == NULL)
 614                 return NPC_ERR_PARAM;
 615
 616         memset(pst, 0, sizeof(*pst));
 617         pst->npc = npc;
 618         pst->flow = flow;
 619
 620         /* Use integral byte offset */
 621         key_offset = pst->npc->keyx_len[flow->nix_intf];
 622         key_offset = (key_offset + 7) / 8;
 623
 624         /* Location where LDATA would begin */
 625         pst->mcam_data = (uint8_t *)flow->mcam_data;
 626         pst->mcam_mask = (uint8_t *)flow->mcam_mask;
 627
 628         while (pattern->type != ROC_NPC_ITEM_TYPE_END &&
 629                layer < PLT_DIM(parse_stage_funcs)) {
 630                 /* Skip place-holders */
 631                 pattern = npc_parse_skip_void_and_any_items(pattern);
 632
 633                 pst->pattern = pattern;
 634                 rc = parse_stage_funcs[layer](pst);
 635                 if (rc != 0)
 636                         return rc;
 637
 638                 layer++;
 639
 640                 /*
 641                  * Parse stage function sets pst->pattern to
 642                  * 1 past the last item it consumed.
 643                  */
 644                 pattern = pst->pattern;
 645
 646                 if (pst->terminate)
 647                         break;
 648         }
 649
 650         /* Skip trailing place-holders */
 651         pattern = npc_parse_skip_void_and_any_items(pattern);
 652
 653         /* Are there more items than what we can handle? */
 654         if (pattern->type != ROC_NPC_ITEM_TYPE_END)
 655                 return NPC_ERR_PATTERN_NOTSUP;
 656
 657         return 0;
 658 }
 659
 660 static int
 661 npc_parse_attr(struct npc *npc, const struct roc_npc_attr *attr,
 662                struct roc_npc_flow *flow)
 663 {
 664         if (attr == NULL)
 665                 return NPC_ERR_PARAM;
 666         else if (attr->priority >= npc->flow_max_priority)
 667                 return NPC_ERR_PARAM;
 668         else if ((!attr->egress && !attr->ingress) ||
 669                  (attr->egress && attr->ingress))
 670                 return NPC_ERR_PARAM;
 671
 672         if (attr->ingress)
 673                 flow->nix_intf = ROC_NPC_INTF_RX;
 674         else
 675                 flow->nix_intf = ROC_NPC_INTF_TX;
 676
 677         flow->priority = attr->priority;
 678         return 0;
 679 }
 680
 681 static int
 682 npc_parse_rule(struct npc *npc, const struct roc_npc_attr *attr,
 683                const struct roc_npc_item_info pattern[],
 684                const struct roc_npc_action actions[], struct roc_npc_flow *flow,
 685                struct npc_parse_state *pst)
 686 {
 687         int err;
 688
 689         /* Check attr */
 690         err = npc_parse_attr(npc, attr, flow);
 691         if (err)
 692                 return err;
 693
 694         /* Check pattern */
 695         err = npc_parse_pattern(npc, pattern, flow, pst);
 696         if (err)
 697                 return err;
 698
 699         /* Check action */
 700         err = npc_parse_actions(npc, attr, actions, flow);
 701         if (err)
 702                 return err;
 703         return 0;
 704 }
 705
 706 int
 707 roc_npc_flow_parse(struct roc_npc *roc_npc, const struct roc_npc_attr *attr,
 708                    const struct roc_npc_item_info pattern[],
 709                    const struct roc_npc_action actions[],
 710                    struct roc_npc_flow *flow)
 711 {
 712         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
 713         struct npc_parse_state parse_state = {0};
 714         int rc;
 715
 716         rc = npc_parse_rule(npc, attr, pattern, actions, flow, &parse_state);
 717         if (rc)
 718                 return rc;
 719
 720         parse_state.is_vf = !roc_nix_is_pf(roc_npc->roc_nix);
 721
 722         return npc_program_mcam(npc, &parse_state, 0);
 723 }
 724
 725 int
 726 npc_rss_free_grp_get(struct npc *npc, uint32_t *pos)
 727 {
 728         struct plt_bitmap *bmap = npc->rss_grp_entries;
 729
 730         for (*pos = 0; *pos < ROC_NIX_RSS_GRPS; ++*pos) {
 731                 if (!plt_bitmap_get(bmap, *pos))
 732                         break;
 733         }
 734         return *pos < ROC_NIX_RSS_GRPS ? 0 : -1;
 735 }
 736
 737 int
 738 npc_rss_action_configure(struct roc_npc *roc_npc,
 739                          const struct roc_npc_action_rss *rss, uint8_t *alg_idx,
 740                          uint32_t *rss_grp, uint32_t mcam_id)
 741 {
 742         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
 743         struct roc_nix *roc_nix = roc_npc->roc_nix;
 744         struct nix *nix = roc_nix_to_nix_priv(roc_nix);
 745         uint32_t flowkey_cfg, rss_grp_idx, i, rem;
 746         uint8_t key[ROC_NIX_RSS_KEY_LEN];
 747         const uint8_t *key_ptr;
 748         uint8_t flowkey_algx;
 749         uint16_t *reta;
 750         int rc;
 751
 752         rc = npc_rss_free_grp_get(npc, &rss_grp_idx);
 753         /* RSS group :0 is not usable for flow rss action */
 754         if (rc < 0 || rss_grp_idx == 0)
 755                 return -ENOSPC;
 756
 757         for (i = 0; i < rss->queue_num; i++) {
 758                 if (rss->queue[i] >= nix->nb_rx_queues) {
 759                         plt_err("queue id > max number of queues");
 760                         return -EINVAL;
 761                 }
 762         }
 763
 764         *rss_grp = rss_grp_idx;
 765
 766         if (rss->key == NULL) {
 767                 roc_nix_rss_key_default_fill(roc_nix, key);
 768                 key_ptr = key;
 769         } else {
 770                 key_ptr = rss->key;
 771         }
 772
 773         roc_nix_rss_key_set(roc_nix, key_ptr);
 774
 775         /* If queue count passed in the rss action is less than
 776          * HW configured reta size, replicate rss action reta
 777          * across HW reta table.
 778          */
 779         reta = nix->reta[rss_grp_idx];
 780
 781         if (rss->queue_num > nix->reta_sz) {
 782                 plt_err("too many queues for RSS context");
 783                 return -ENOTSUP;
 784         }
 785
 786         for (i = 0; i < (nix->reta_sz / rss->queue_num); i++)
 787                 memcpy(reta + i * rss->queue_num, rss->queue,
 788                        sizeof(uint16_t) * rss->queue_num);
 789
 790         rem = nix->reta_sz % rss->queue_num;
 791         if (rem)
 792                 memcpy(&reta[i * rss->queue_num], rss->queue,
 793                        rem * sizeof(uint16_t));
 794
 795         rc = roc_nix_rss_reta_set(roc_nix, *rss_grp, reta);
 796         if (rc) {
 797                 plt_err("Failed to init rss table rc = %d", rc);
 798                 return rc;
 799         }
 800
 801         flowkey_cfg = roc_npc->flowkey_cfg_state;
 802
 803         rc = roc_nix_rss_flowkey_set(roc_nix, &flowkey_algx, flowkey_cfg,
 804                                      *rss_grp, mcam_id);
 805         if (rc) {
 806                 plt_err("Failed to set rss hash function rc = %d", rc);
 807                 return rc;
 808         }
 809
 810         *alg_idx = flowkey_algx;
 811
 812         plt_bitmap_set(npc->rss_grp_entries, *rss_grp);
 813
 814         return 0;
 815 }
 816
 817 int
 818 npc_rss_action_program(struct roc_npc *roc_npc,
 819                        const struct roc_npc_action actions[],
 820                        struct roc_npc_flow *flow)
 821 {
 822         const struct roc_npc_action_rss *rss;
 823         uint32_t rss_grp;
 824         uint8_t alg_idx;
 825         int rc;
 826
 827         for (; actions->type != ROC_NPC_ACTION_TYPE_END; actions++) {
 828                 if (actions->type == ROC_NPC_ACTION_TYPE_RSS) {
 829                         rss = (const struct roc_npc_action_rss *)actions->conf;
 830                         rc = npc_rss_action_configure(roc_npc, rss, &alg_idx,
 831                                                       &rss_grp, flow->mcam_id);
 832                         if (rc)
 833                                 return rc;
 834
 835                         flow->npc_action &= (~(0xfULL));
 836                         flow->npc_action |= NIX_RX_ACTIONOP_RSS;
 837                         flow->npc_action |=
 838                                 ((uint64_t)(alg_idx & NPC_RSS_ACT_ALG_MASK)
 839                                  << NPC_RSS_ACT_ALG_OFFSET) |
 840                                 ((uint64_t)(rss_grp & NPC_RSS_ACT_GRP_MASK)
 841                                  << NPC_RSS_ACT_GRP_OFFSET);
 842                         break;
 843                 }
 844         }
 845         return 0;
 846 }
 847
 848 int
 849 roc_npc_mark_actions_get(struct roc_npc *roc_npc)
 850 {
 851         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
 852
 853         return npc->mark_actions;
 854 }
 855
 856 int
 857 roc_npc_mark_actions_sub_return(struct roc_npc *roc_npc, uint32_t count)
 858 {
 859         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
 860
 861         npc->mark_actions -= count;
 862         return npc->mark_actions;
 863 }
 864
 865 static int
 866 npc_vtag_cfg_delete(struct roc_npc *roc_npc, struct roc_npc_flow *flow)
 867 {
 868         struct roc_nix *roc_nix = roc_npc->roc_nix;
 869         struct nix_vtag_config *vtag_cfg;
 870         struct nix_vtag_config_rsp *rsp;
 871         struct mbox *mbox;
 872         struct nix *nix;
 873         int rc = 0;
 874
 875         union {
 876                 uint64_t reg;
 877                 struct nix_tx_vtag_action_s act;
 878         } tx_vtag_action;
 879
 880         nix = roc_nix_to_nix_priv(roc_nix);
 881         mbox = (&nix->dev)->mbox;
 882
 883         tx_vtag_action.reg = flow->vtag_action;
 884         vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
 885
 886         if (vtag_cfg == NULL)
 887                 return -ENOSPC;
 888
 889         vtag_cfg->cfg_type = VTAG_TX;
 890         vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
 891         vtag_cfg->tx.vtag0_idx = tx_vtag_action.act.vtag0_def;
 892         vtag_cfg->tx.free_vtag0 = true;
 893
 894         if (flow->vtag_insert_count == 2) {
 895                 vtag_cfg->tx.vtag1_idx = tx_vtag_action.act.vtag1_def;
 896                 vtag_cfg->tx.free_vtag1 = true;
 897         }
 898
 899         rc = mbox_process_msg(mbox, (void *)&rsp);
 900         if (rc)
 901                 return rc;
 902
 903         return 0;
 904 }
 905
 906 static int
 907 npc_vtag_insert_action_parse(const struct roc_npc_action actions[],
 908                              struct roc_npc_flow *flow,
 909                              struct npc_action_vtag_info *vlan_info,
 910                              int *parsed_cnt)
 911 {
 912         bool vlan_id_found = false, ethtype_found = false, pcp_found = false;
 913         int count = 0;
 914
 915         *parsed_cnt = 0;
 916
 917         /* This function parses parameters of one VLAN. When a parameter is
 918          * found repeated, it treats it as the end of first VLAN's parameters
 919          * and returns. The caller calls again to parse the parameters of the
 920          * second VLAN.
 921          */
 922
 923         for (; count < NPC_ACTION_MAX_VLAN_PARAMS; count++, actions++) {
 924                 if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_INSERT) {
 925                         if (vlan_id_found)
 926                                 return 0;
 927
 928                         const struct roc_npc_action_of_set_vlan_vid *vtag =
 929                                 (const struct roc_npc_action_of_set_vlan_vid *)
 930                                         actions->conf;
 931
 932                         vlan_info->vlan_id = plt_be_to_cpu_16(vtag->vlan_vid);
 933
 934                         if (vlan_info->vlan_id > 0xfff) {
 935                                 plt_err("Invalid vlan_id for set vlan action");
 936                                 return -EINVAL;
 937                         }
 938
 939                         flow->vtag_insert_enabled = true;
 940                         (*parsed_cnt)++;
 941                         vlan_id_found = true;
 942                 } else if (actions->type ==
 943                            ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT) {
 944                         if (ethtype_found)
 945                                 return 0;
 946
 947                         const struct roc_npc_action_of_push_vlan *ethtype =
 948                                 (const struct roc_npc_action_of_push_vlan *)
 949                                         actions->conf;
 950                         vlan_info->vlan_ethtype =
 951                                 plt_be_to_cpu_16(ethtype->ethertype);
 952                         if (vlan_info->vlan_ethtype != ROC_ETHER_TYPE_VLAN &&
 953                             vlan_info->vlan_ethtype != ROC_ETHER_TYPE_QINQ) {
 954                                 plt_err("Invalid ethtype specified for push"
 955                                         " vlan action");
 956                                 return -EINVAL;
 957                         }
 958                         flow->vtag_insert_enabled = true;
 959                         (*parsed_cnt)++;
 960                         ethtype_found = true;
 961                 } else if (actions->type ==
 962                            ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT) {
 963                         if (pcp_found)
 964                                 return 0;
 965                         const struct roc_npc_action_of_set_vlan_pcp *pcp =
 966                                 (const struct roc_npc_action_of_set_vlan_pcp *)
 967                                         actions->conf;
 968                         vlan_info->vlan_pcp = pcp->vlan_pcp;
 969                         if (vlan_info->vlan_pcp > 0x7) {
 970                                 plt_err("Invalid PCP value for pcp action");
 971                                 return -EINVAL;
 972                         }
 973                         flow->vtag_insert_enabled = true;
 974                         (*parsed_cnt)++;
 975                         pcp_found = true;
 976                 } else {
 977                         return 0;
 978                 }
 979         }
 980
 981         return 0;
 982 }
 983
 984 static int
 985 npc_vtag_insert_action_configure(struct mbox *mbox, struct roc_npc_flow *flow,
 986                                  struct npc_action_vtag_info *vlan_info)
 987 {
 988         struct nix_vtag_config *vtag_cfg;
 989         struct nix_vtag_config_rsp *rsp;
 990         int rc = 0;
 991
 992         union {
 993                 uint64_t reg;
 994                 struct nix_tx_vtag_action_s act;
 995         } tx_vtag_action;
 996
 997         vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
 998
 999         if (vtag_cfg == NULL)
1000                 return -ENOSPC;
1001
1002         vtag_cfg->cfg_type = VTAG_TX;
1003         vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
1004         vtag_cfg->tx.vtag0 =
1005                 ((vlan_info[0].vlan_ethtype << 16) |
1006                  (vlan_info[0].vlan_pcp << 13) | vlan_info[0].vlan_id);
1007
1008         vtag_cfg->tx.cfg_vtag0 = 1;
1009
1010         if (flow->vtag_insert_count == 2) {
1011                 vtag_cfg->tx.vtag1 =
1012                         ((vlan_info[1].vlan_ethtype << 16) |
1013                          (vlan_info[1].vlan_pcp << 13) | vlan_info[1].vlan_id);
1014
1015                 vtag_cfg->tx.cfg_vtag1 = 1;
1016         }
1017
1018         rc = mbox_process_msg(mbox, (void *)&rsp);
1019         if (rc)
1020                 return rc;
1021
1022         if (rsp->vtag0_idx < 0 ||
1023             ((flow->vtag_insert_count == 2) && (rsp->vtag1_idx < 0))) {
1024                 plt_err("Failed to config TX VTAG action");
1025                 return -EINVAL;
1026         }
1027
1028         tx_vtag_action.reg = 0;
1029         tx_vtag_action.act.vtag0_def = rsp->vtag0_idx;
1030         tx_vtag_action.act.vtag0_lid = NPC_LID_LA;
1031         tx_vtag_action.act.vtag0_op = NIX_TX_VTAGOP_INSERT;
1032         tx_vtag_action.act.vtag0_relptr = NIX_TX_VTAGACTION_VTAG0_RELPTR;
1033
1034         if (flow->vtag_insert_count == 2) {
1035                 tx_vtag_action.act.vtag1_def = rsp->vtag1_idx;
1036                 tx_vtag_action.act.vtag1_lid = NPC_LID_LA;
1037                 tx_vtag_action.act.vtag1_op = NIX_TX_VTAGOP_INSERT;
1038                 /* NIX_TX_VTAG_ACTION_S
1039                  *  If Vtag 0 is inserted, hardware adjusts the Vtag 1 byte
1040                  *  offset accordingly. Thus, if the two offsets are equal in
1041                  *  the structure, hardware inserts Vtag 1 immediately after
1042                  *  Vtag 0 in the packet.
1043                  */
1044                 tx_vtag_action.act.vtag1_relptr =
1045                         NIX_TX_VTAGACTION_VTAG0_RELPTR;
1046         }
1047
1048         flow->vtag_action = tx_vtag_action.reg;
1049
1050         return 0;
1051 }
1052
1053 static int
1054 npc_vtag_strip_action_configure(struct mbox *mbox,
1055                                 const struct roc_npc_action actions[],
1056                                 struct roc_npc_flow *flow, int *strip_cnt)
1057 {
1058         struct nix_vtag_config *vtag_cfg;
1059         uint64_t rx_vtag_action = 0;
1060         int count = 0, rc = 0;
1061
1062         *strip_cnt = 0;
1063
1064         for (; count < NPC_ACTION_MAX_VLANS_STRIPPED; count++, actions++) {
1065                 if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_STRIP)
1066                         (*strip_cnt)++;
1067         }
1068
1069         vtag_cfg = mbox_alloc_msg_nix_vtag_cfg(mbox);
1070
1071         if (vtag_cfg == NULL)
1072                 return -ENOSPC;
1073
1074         vtag_cfg->cfg_type = VTAG_RX;
1075         vtag_cfg->rx.strip_vtag = 1;
1076         /* Always capture */
1077         vtag_cfg->rx.capture_vtag = 1;
1078         vtag_cfg->vtag_size = NIX_VTAGSIZE_T4;
1079         vtag_cfg->rx.vtag_type = 0;
1080
1081         rc = mbox_process(mbox);
1082         if (rc)
1083                 return rc;
1084
1085         rx_vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 15);
1086         rx_vtag_action |= ((uint64_t)NPC_LID_LB << 8);
1087         rx_vtag_action |= NIX_RX_VTAGACTION_VTAG0_RELPTR;
1088
1089         if (*strip_cnt == 2) {
1090                 rx_vtag_action |= (NIX_RX_VTAGACTION_VTAG_VALID << 47);
1091                 rx_vtag_action |= ((uint64_t)NPC_LID_LB << 40);
1092                 rx_vtag_action |= NIX_RX_VTAGACTION_VTAG0_RELPTR << 32;
1093         }
1094         flow->vtag_action = rx_vtag_action;
1095
1096         return 0;
1097 }
1098
1099 static int
1100 npc_vtag_action_program(struct roc_npc *roc_npc,
1101                         const struct roc_npc_action actions[],
1102                         struct roc_npc_flow *flow)
1103 {
1104         bool vlan_strip_parsed = false, vlan_insert_parsed = false;
1105         const struct roc_npc_action *insert_actions;
1106         struct roc_nix *roc_nix = roc_npc->roc_nix;
1107         struct npc_action_vtag_info vlan_info[2];
1108         int parsed_cnt = 0, strip_cnt = 0;
1109         int tot_vlan_params = 0;
1110         struct mbox *mbox;
1111         struct nix *nix;
1112         int i, rc;
1113
1114         nix = roc_nix_to_nix_priv(roc_nix);
1115         mbox = (&nix->dev)->mbox;
1116
1117         memset(vlan_info, 0, sizeof(vlan_info));
1118
1119         flow->vtag_insert_enabled = false;
1120
1121         for (; actions->type != ROC_NPC_ACTION_TYPE_END; actions++) {
1122                 if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_STRIP) {
1123                         if (vlan_strip_parsed) {
1124                                 plt_err("Incorrect VLAN strip actions");
1125                                 return -EINVAL;
1126                         }
1127                         rc = npc_vtag_strip_action_configure(mbox, actions,
1128                                                              flow, &strip_cnt);
1129                         if (rc)
1130                                 return rc;
1131
1132                         if (strip_cnt == 2)
1133                                 actions++;
1134
1135                         vlan_strip_parsed = true;
1136                 } else if (actions->type == ROC_NPC_ACTION_TYPE_VLAN_INSERT ||
1137                            actions->type ==
1138                                    ROC_NPC_ACTION_TYPE_VLAN_ETHTYPE_INSERT ||
1139                            actions->type ==
1140                                    ROC_NPC_ACTION_TYPE_VLAN_PCP_INSERT) {
1141                         if (vlan_insert_parsed) {
1142                                 plt_err("Incorrect VLAN insert actions");
1143                                 return -EINVAL;
1144                         }
1145
1146                         insert_actions = actions;
1147
1148                         for (i = 0; i < 2; i++) {
1149                                 rc = npc_vtag_insert_action_parse(
1150                                         insert_actions, flow, &vlan_info[i],
1151                                         &parsed_cnt);
1152
1153                                 if (rc)
1154                                         return rc;
1155
1156                                 if (parsed_cnt) {
1157                                         insert_actions += parsed_cnt;
1158                                         tot_vlan_params += parsed_cnt;
1159                                         flow->vtag_insert_count++;
1160                                 }
1161                         }
1162                         actions += tot_vlan_params - 1;
1163                         vlan_insert_parsed = true;
1164                 }
1165         }
1166
1167         if (flow->vtag_insert_enabled) {
1168                 rc = npc_vtag_insert_action_configure(mbox, flow, vlan_info);
1169
1170                 if (rc)
1171                         return rc;
1172         }
1173         return 0;
1174 }
1175
1176 struct roc_npc_flow *
1177 roc_npc_flow_create(struct roc_npc *roc_npc, const struct roc_npc_attr *attr,
1178                     const struct roc_npc_item_info pattern[],
1179                     const struct roc_npc_action actions[], int *errcode)
1180 {
1181         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
1182         struct roc_npc_flow *flow, *flow_iter;
1183         struct npc_parse_state parse_state;
1184         struct npc_flow_list *list;
1185         int rc;
1186
1187         npc->channel = roc_npc->channel;
1188
1189         flow = plt_zmalloc(sizeof(*flow), 0);
1190         if (flow == NULL) {
1191                 *errcode = NPC_ERR_NO_MEM;
1192                 return NULL;
1193         }
1194         memset(flow, 0, sizeof(*flow));
1195
1196         rc = npc_parse_rule(npc, attr, pattern, actions, flow, &parse_state);
1197         if (rc != 0) {
1198                 *errcode = rc;
1199                 goto err_exit;
1200         }
1201
1202         rc = npc_vtag_action_program(roc_npc, actions, flow);
1203         if (rc != 0) {
1204                 *errcode = rc;
1205                 goto err_exit;
1206         }
1207
1208         parse_state.is_vf = !roc_nix_is_pf(roc_npc->roc_nix);
1209
1210         rc = npc_program_mcam(npc, &parse_state, 1);
1211         if (rc != 0) {
1212                 *errcode = rc;
1213                 goto err_exit;
1214         }
1215
1216         rc = npc_rss_action_program(roc_npc, actions, flow);
1217         if (rc != 0) {
1218                 *errcode = rc;
1219                 goto set_rss_failed;
1220         }
1221
1222         list = &npc->flow_list[flow->priority];
1223         /* List in ascending order of mcam entries */
1224         TAILQ_FOREACH(flow_iter, list, next) {
1225                 if (flow_iter->mcam_id > flow->mcam_id) {
1226                         TAILQ_INSERT_BEFORE(flow_iter, flow, next);
1227                         return flow;
1228                 }
1229         }
1230
1231         TAILQ_INSERT_TAIL(list, flow, next);
1232         return flow;
1233
1234 set_rss_failed:
1235         rc = npc_mcam_free_entry(npc, flow->mcam_id);
1236         if (rc != 0) {
1237                 *errcode = rc;
1238                 plt_free(flow);
1239                 return NULL;
1240         }
1241 err_exit:
1242         plt_free(flow);
1243         return NULL;
1244 }
1245
1246 int
1247 npc_rss_group_free(struct npc *npc, struct roc_npc_flow *flow)
1248 {
1249         uint32_t rss_grp;
1250
1251         if ((flow->npc_action & 0xF) == NIX_RX_ACTIONOP_RSS) {
1252                 rss_grp = (flow->npc_action >> NPC_RSS_ACT_GRP_OFFSET) &
1253                           NPC_RSS_ACT_GRP_MASK;
1254                 if (rss_grp == 0 || rss_grp >= npc->rss_grps)
1255                         return -EINVAL;
1256
1257                 plt_bitmap_clear(npc->rss_grp_entries, rss_grp);
1258         }
1259
1260         return 0;
1261 }
1262
1263 int
1264 roc_npc_flow_destroy(struct roc_npc *roc_npc, struct roc_npc_flow *flow)
1265 {
1266         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
1267         struct plt_bitmap *bmap;
1268         int rc;
1269
1270         rc = npc_rss_group_free(npc, flow);
1271         if (rc != 0) {
1272                 plt_err("Failed to free rss action rc = %d", rc);
1273                 return rc;
1274         }
1275
1276         if (flow->vtag_insert_enabled) {
1277                 rc = npc_vtag_cfg_delete(roc_npc, flow);
1278                 if (rc != 0)
1279                         return rc;
1280         }
1281
1282         rc = npc_mcam_free_entry(npc, flow->mcam_id);
1283         if (rc != 0)
1284                 return rc;
1285
1286         TAILQ_REMOVE(&npc->flow_list[flow->priority], flow, next);
1287
1288         bmap = npc->live_entries[flow->priority];
1289         plt_bitmap_clear(bmap, flow->mcam_id);
1290
1291         plt_free(flow);
1292         return 0;
1293 }
1294
1295 void
1296 roc_npc_flow_dump(FILE *file, struct roc_npc *roc_npc)
1297 {
1298         struct npc *npc = roc_npc_to_npc_priv(roc_npc);
1299         struct roc_npc_flow *flow_iter;
1300         struct npc_flow_list *list;
1301         uint32_t max_prio, i;
1302
1303         max_prio = npc->flow_max_priority;
1304
1305         for (i = 0; i < max_prio; i++) {
1306                 list = &npc->flow_list[i];
1307
1308                 /* List in ascending order of mcam entries */
1309                 TAILQ_FOREACH(flow_iter, list, next) {
1310                         roc_npc_flow_mcam_dump(file, roc_npc, flow_iter);
1311                 }
1312         }
1313 }