drivers/net/bnxt/bnxt_flow.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2018 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include <sys/queue.h>
   7
   8 #include <rte_log.h>
   9 #include <rte_malloc.h>
  10 #include <rte_flow.h>
  11 #include <rte_flow_driver.h>
  12 #include <rte_tailq.h>
  13
  14 #include "bnxt.h"
  15 #include "bnxt_filter.h"
  16 #include "bnxt_hwrm.h"
  17 #include "bnxt_ring.h"
  18 #include "bnxt_rxq.h"
  19 #include "bnxt_vnic.h"
  20 #include "bnxt_util.h"
  21 #include "hsi_struct_def_dpdk.h"
  22
  23 static int
  24 bnxt_flow_args_validate(const struct rte_flow_attr *attr,
  25                         const struct rte_flow_item pattern[],
  26                         const struct rte_flow_action actions[],
  27                         struct rte_flow_error *error)
  28 {
  29         if (!pattern) {
  30                 rte_flow_error_set(error,
  31                                    EINVAL,
  32                                    RTE_FLOW_ERROR_TYPE_ITEM_NUM,
  33                                    NULL,
  34                                    "NULL pattern.");
  35                 return -rte_errno;
  36         }
  37
  38         if (!actions) {
  39                 rte_flow_error_set(error,
  40                                    EINVAL,
  41                                    RTE_FLOW_ERROR_TYPE_ACTION_NUM,
  42                                    NULL,
  43                                    "NULL action.");
  44                 return -rte_errno;
  45         }
  46
  47         if (!attr) {
  48                 rte_flow_error_set(error,
  49                                    EINVAL,
  50                                    RTE_FLOW_ERROR_TYPE_ATTR,
  51                                    NULL,
  52                                    "NULL attribute.");
  53                 return -rte_errno;
  54         }
  55
  56         return 0;
  57 }
  58
  59 static const struct rte_flow_item *
  60 bnxt_flow_non_void_item(const struct rte_flow_item *cur)
  61 {
  62         while (1) {
  63                 if (cur->type != RTE_FLOW_ITEM_TYPE_VOID)
  64                         return cur;
  65                 cur++;
  66         }
  67 }
  68
  69 static const struct rte_flow_action *
  70 bnxt_flow_non_void_action(const struct rte_flow_action *cur)
  71 {
  72         while (1) {
  73                 if (cur->type != RTE_FLOW_ACTION_TYPE_VOID)
  74                         return cur;
  75                 cur++;
  76         }
  77 }
  78
  79 static int
  80 bnxt_filter_type_check(const struct rte_flow_item pattern[],
  81                        struct rte_flow_error *error __rte_unused)
  82 {
  83         const struct rte_flow_item *item =
  84                 bnxt_flow_non_void_item(pattern);
  85         int use_ntuple = 1;
  86         bool has_vlan = 0;
  87
  88         while (item->type != RTE_FLOW_ITEM_TYPE_END) {
  89                 switch (item->type) {
  90                 case RTE_FLOW_ITEM_TYPE_ANY:
  91                 case RTE_FLOW_ITEM_TYPE_ETH:
  92                         use_ntuple = 0;
  93                         break;
  94                 case RTE_FLOW_ITEM_TYPE_VLAN:
  95                         use_ntuple = 0;
  96                         has_vlan = 1;
  97                         break;
  98                 case RTE_FLOW_ITEM_TYPE_IPV4:
  99                 case RTE_FLOW_ITEM_TYPE_IPV6:
 100                 case RTE_FLOW_ITEM_TYPE_TCP:
 101                 case RTE_FLOW_ITEM_TYPE_UDP:
 102                         /* FALLTHROUGH */
 103                         /* need ntuple match, reset exact match */
 104                         use_ntuple |= 1;
 105                         break;
 106                 default:
 107                         PMD_DRV_LOG(DEBUG, "Unknown Flow type\n");
 108                         use_ntuple |= 0;
 109                 }
 110                 item++;
 111         }
 112
 113         if (has_vlan && use_ntuple) {
 114                 PMD_DRV_LOG(ERR,
 115                             "VLAN flow cannot use NTUPLE filter\n");
 116                 rte_flow_error_set(error, EINVAL,
 117                                    RTE_FLOW_ERROR_TYPE_ITEM,
 118                                    item,
 119                                    "Cannot use VLAN with NTUPLE");
 120                 return -rte_errno;
 121         }
 122
 123         return use_ntuple;
 124 }
 125
 126 static int
 127 bnxt_validate_and_parse_flow_type(struct bnxt *bp,
 128                                   const struct rte_flow_attr *attr,
 129                                   const struct rte_flow_item pattern[],
 130                                   struct rte_flow_error *error,
 131                                   struct bnxt_filter_info *filter)
 132 {
 133         const struct rte_flow_item *item = bnxt_flow_non_void_item(pattern);
 134         const struct rte_flow_item_vlan *vlan_spec, *vlan_mask;
 135         const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
 136         const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
 137         const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
 138         const struct rte_flow_item_udp *udp_spec, *udp_mask;
 139         const struct rte_flow_item_eth *eth_spec, *eth_mask;
 140         const struct rte_flow_item_nvgre *nvgre_spec;
 141         const struct rte_flow_item_nvgre *nvgre_mask;
 142         const struct rte_flow_item_gre *gre_spec;
 143         const struct rte_flow_item_gre *gre_mask;
 144         const struct rte_flow_item_vxlan *vxlan_spec;
 145         const struct rte_flow_item_vxlan *vxlan_mask;
 146         uint8_t vni_mask[] = {0xFF, 0xFF, 0xFF};
 147         uint8_t tni_mask[] = {0xFF, 0xFF, 0xFF};
 148         const struct rte_flow_item_vf *vf_spec;
 149         uint32_t tenant_id_be = 0, valid_flags = 0;
 150         bool vni_masked = 0;
 151         bool tni_masked = 0;
 152         uint32_t en_ethertype;
 153         uint8_t inner = 0;
 154         uint32_t vf = 0;
 155         uint32_t en = 0;
 156         int use_ntuple;
 157         int dflt_vnic;
 158
 159         use_ntuple = bnxt_filter_type_check(pattern, error);
 160         if (use_ntuple < 0)
 161                 return use_ntuple;
 162         PMD_DRV_LOG(DEBUG, "Use NTUPLE %d\n", use_ntuple);
 163
 164         filter->filter_type = use_ntuple ?
 165                 HWRM_CFA_NTUPLE_FILTER : HWRM_CFA_EM_FILTER;
 166         en_ethertype = use_ntuple ?
 167                 NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE :
 168                 EM_FLOW_ALLOC_INPUT_EN_ETHERTYPE;
 169
 170         while (item->type != RTE_FLOW_ITEM_TYPE_END) {
 171                 if (item->last) {
 172                         /* last or range is NOT supported as match criteria */
 173                         rte_flow_error_set(error, EINVAL,
 174                                            RTE_FLOW_ERROR_TYPE_ITEM,
 175                                            item,
 176                                            "No support for range");
 177                         return -rte_errno;
 178                 }
 179
 180                 switch (item->type) {
 181                 case RTE_FLOW_ITEM_TYPE_ANY:
 182                         inner =
 183                         ((const struct rte_flow_item_any *)item->spec)->num > 3;
 184                         if (inner)
 185                                 PMD_DRV_LOG(DEBUG, "Parse inner header\n");
 186                         break;
 187                 case RTE_FLOW_ITEM_TYPE_ETH:
 188                         if (!item->spec || !item->mask)
 189                                 break;
 190
 191                         eth_spec = item->spec;
 192                         eth_mask = item->mask;
 193
 194                         /* Source MAC address mask cannot be partially set.
 195                          * Should be All 0's or all 1's.
 196                          * Destination MAC address mask must not be partially
 197                          * set. Should be all 1's or all 0's.
 198                          */
 199                         if ((!rte_is_zero_ether_addr(&eth_mask->src) &&
 200                              !rte_is_broadcast_ether_addr(&eth_mask->src)) ||
 201                             (!rte_is_zero_ether_addr(&eth_mask->dst) &&
 202                              !rte_is_broadcast_ether_addr(&eth_mask->dst))) {
 203                                 rte_flow_error_set(error,
 204                                                    EINVAL,
 205                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 206                                                    item,
 207                                                    "MAC_addr mask not valid");
 208                                 return -rte_errno;
 209                         }
 210
 211                         /* Mask is not allowed. Only exact matches are */
 212                         if (eth_mask->type &&
 213                             eth_mask->type != RTE_BE16(0xffff)) {
 214                                 rte_flow_error_set(error, EINVAL,
 215                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 216                                                    item,
 217                                                    "ethertype mask not valid");
 218                                 return -rte_errno;
 219                         }
 220
 221                         if (rte_is_broadcast_ether_addr(&eth_mask->dst)) {
 222                                 rte_memcpy(filter->dst_macaddr,
 223                                            &eth_spec->dst, RTE_ETHER_ADDR_LEN);
 224                                 en |= use_ntuple ?
 225                                         NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR :
 226                                         EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR;
 227                                 valid_flags |= inner ?
 228                                         BNXT_FLOW_L2_INNER_DST_VALID_FLAG :
 229                                         BNXT_FLOW_L2_DST_VALID_FLAG;
 230                         }
 231
 232                         if (rte_is_broadcast_ether_addr(&eth_mask->src)) {
 233                                 rte_memcpy(filter->src_macaddr,
 234                                            &eth_spec->src, RTE_ETHER_ADDR_LEN);
 235                                 en |= use_ntuple ?
 236                                         NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR :
 237                                         EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR;
 238                                 valid_flags |= inner ?
 239                                         BNXT_FLOW_L2_INNER_SRC_VALID_FLAG :
 240                                         BNXT_FLOW_L2_SRC_VALID_FLAG;
 241                         } /*
 242                            * else {
 243                            *  PMD_DRV_LOG(ERR, "Handle this condition\n");
 244                            * }
 245                            */
 246                         if (eth_mask->type) {
 247                                 filter->ethertype =
 248                                         rte_be_to_cpu_16(eth_spec->type);
 249                                 en |= en_ethertype;
 250                         }
 251
 252                         break;
 253                 case RTE_FLOW_ITEM_TYPE_VLAN:
 254                         vlan_spec = item->spec;
 255                         vlan_mask = item->mask;
 256                         if (en & en_ethertype) {
 257                                 rte_flow_error_set(error, EINVAL,
 258                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 259                                                    item,
 260                                                    "VLAN TPID matching is not"
 261                                                    " supported");
 262                                 return -rte_errno;
 263                         }
 264                         if (vlan_mask->tci &&
 265                             vlan_mask->tci == RTE_BE16(0x0fff)) {
 266                                 /* Only the VLAN ID can be matched. */
 267                                 filter->l2_ovlan =
 268                                         rte_be_to_cpu_16(vlan_spec->tci &
 269                                                          RTE_BE16(0x0fff));
 270                                 en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID;
 271                         } else {
 272                                 rte_flow_error_set(error,
 273                                                    EINVAL,
 274                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 275                                                    item,
 276                                                    "VLAN mask is invalid");
 277                                 return -rte_errno;
 278                         }
 279                         if (vlan_mask->inner_type &&
 280                             vlan_mask->inner_type != RTE_BE16(0xffff)) {
 281                                 rte_flow_error_set(error, EINVAL,
 282                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 283                                                    item,
 284                                                    "inner ethertype mask not"
 285                                                    " valid");
 286                                 return -rte_errno;
 287                         }
 288                         if (vlan_mask->inner_type) {
 289                                 filter->ethertype =
 290                                         rte_be_to_cpu_16(vlan_spec->inner_type);
 291                                 en |= en_ethertype;
 292                         }
 293
 294                         break;
 295                 case RTE_FLOW_ITEM_TYPE_IPV4:
 296                         /* If mask is not involved, we could use EM filters. */
 297                         ipv4_spec = item->spec;
 298                         ipv4_mask = item->mask;
 299
 300                         if (!item->spec || !item->mask)
 301                                 break;
 302
 303                         /* Only IP DST and SRC fields are maskable. */
 304                         if (ipv4_mask->hdr.version_ihl ||
 305                             ipv4_mask->hdr.type_of_service ||
 306                             ipv4_mask->hdr.total_length ||
 307                             ipv4_mask->hdr.packet_id ||
 308                             ipv4_mask->hdr.fragment_offset ||
 309                             ipv4_mask->hdr.time_to_live ||
 310                             ipv4_mask->hdr.next_proto_id ||
 311                             ipv4_mask->hdr.hdr_checksum) {
 312                                 rte_flow_error_set(error,
 313                                                    EINVAL,
 314                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 315                                                    item,
 316                                                    "Invalid IPv4 mask.");
 317                                 return -rte_errno;
 318                         }
 319
 320                         filter->dst_ipaddr[0] = ipv4_spec->hdr.dst_addr;
 321                         filter->src_ipaddr[0] = ipv4_spec->hdr.src_addr;
 322
 323                         if (use_ntuple)
 324                                 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
 325                                         NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
 326                         else
 327                                 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
 328                                         EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
 329
 330                         if (ipv4_mask->hdr.src_addr) {
 331                                 filter->src_ipaddr_mask[0] =
 332                                         ipv4_mask->hdr.src_addr;
 333                                 en |= !use_ntuple ? 0 :
 334                                      NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
 335                         }
 336
 337                         if (ipv4_mask->hdr.dst_addr) {
 338                                 filter->dst_ipaddr_mask[0] =
 339                                         ipv4_mask->hdr.dst_addr;
 340                                 en |= !use_ntuple ? 0 :
 341                                      NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
 342                         }
 343
 344                         filter->ip_addr_type = use_ntuple ?
 345                          HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 :
 346                          HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV4;
 347
 348                         if (ipv4_spec->hdr.next_proto_id) {
 349                                 filter->ip_protocol =
 350                                         ipv4_spec->hdr.next_proto_id;
 351                                 if (use_ntuple)
 352                                         en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO;
 353                                 else
 354                                         en |= EM_FLOW_ALLOC_INPUT_EN_IP_PROTO;
 355                         }
 356                         break;
 357                 case RTE_FLOW_ITEM_TYPE_IPV6:
 358                         ipv6_spec = item->spec;
 359                         ipv6_mask = item->mask;
 360
 361                         if (!item->spec || !item->mask)
 362                                 break;
 363
 364                         /* Only IP DST and SRC fields are maskable. */
 365                         if (ipv6_mask->hdr.vtc_flow ||
 366                             ipv6_mask->hdr.payload_len ||
 367                             ipv6_mask->hdr.proto ||
 368                             ipv6_mask->hdr.hop_limits) {
 369                                 rte_flow_error_set(error,
 370                                                    EINVAL,
 371                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 372                                                    item,
 373                                                    "Invalid IPv6 mask.");
 374                                 return -rte_errno;
 375                         }
 376
 377                         if (use_ntuple)
 378                                 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR |
 379                                         NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR;
 380                         else
 381                                 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR |
 382                                         EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR;
 383
 384                         rte_memcpy(filter->src_ipaddr,
 385                                    ipv6_spec->hdr.src_addr, 16);
 386                         rte_memcpy(filter->dst_ipaddr,
 387                                    ipv6_spec->hdr.dst_addr, 16);
 388
 389                         if (!bnxt_check_zero_bytes(ipv6_mask->hdr.src_addr,
 390                                                    16)) {
 391                                 rte_memcpy(filter->src_ipaddr_mask,
 392                                            ipv6_mask->hdr.src_addr, 16);
 393                                 en |= !use_ntuple ? 0 :
 394                                     NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK;
 395                         }
 396
 397                         if (!bnxt_check_zero_bytes(ipv6_mask->hdr.dst_addr,
 398                                                    16)) {
 399                                 rte_memcpy(filter->dst_ipaddr_mask,
 400                                            ipv6_mask->hdr.dst_addr, 16);
 401                                 en |= !use_ntuple ? 0 :
 402                                      NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK;
 403                         }
 404
 405                         filter->ip_addr_type = use_ntuple ?
 406                                 NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6 :
 407                                 EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6;
 408                         break;
 409                 case RTE_FLOW_ITEM_TYPE_TCP:
 410                         tcp_spec = item->spec;
 411                         tcp_mask = item->mask;
 412
 413                         if (!item->spec || !item->mask)
 414                                 break;
 415
 416                         /* Check TCP mask. Only DST & SRC ports are maskable */
 417                         if (tcp_mask->hdr.sent_seq ||
 418                             tcp_mask->hdr.recv_ack ||
 419                             tcp_mask->hdr.data_off ||
 420                             tcp_mask->hdr.tcp_flags ||
 421                             tcp_mask->hdr.rx_win ||
 422                             tcp_mask->hdr.cksum ||
 423                             tcp_mask->hdr.tcp_urp) {
 424                                 rte_flow_error_set(error,
 425                                                    EINVAL,
 426                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 427                                                    item,
 428                                                    "Invalid TCP mask");
 429                                 return -rte_errno;
 430                         }
 431
 432                         filter->src_port = tcp_spec->hdr.src_port;
 433                         filter->dst_port = tcp_spec->hdr.dst_port;
 434
 435                         if (use_ntuple)
 436                                 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
 437                                         NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
 438                         else
 439                                 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
 440                                         EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
 441
 442                         if (tcp_mask->hdr.dst_port) {
 443                                 filter->dst_port_mask = tcp_mask->hdr.dst_port;
 444                                 en |= !use_ntuple ? 0 :
 445                                   NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
 446                         }
 447
 448                         if (tcp_mask->hdr.src_port) {
 449                                 filter->src_port_mask = tcp_mask->hdr.src_port;
 450                                 en |= !use_ntuple ? 0 :
 451                                   NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
 452                         }
 453                         break;
 454                 case RTE_FLOW_ITEM_TYPE_UDP:
 455                         udp_spec = item->spec;
 456                         udp_mask = item->mask;
 457
 458                         if (!item->spec || !item->mask)
 459                                 break;
 460
 461                         if (udp_mask->hdr.dgram_len ||
 462                             udp_mask->hdr.dgram_cksum) {
 463                                 rte_flow_error_set(error,
 464                                                    EINVAL,
 465                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 466                                                    item,
 467                                                    "Invalid UDP mask");
 468                                 return -rte_errno;
 469                         }
 470
 471                         filter->src_port = udp_spec->hdr.src_port;
 472                         filter->dst_port = udp_spec->hdr.dst_port;
 473
 474                         if (use_ntuple)
 475                                 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT |
 476                                         NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT;
 477                         else
 478                                 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT |
 479                                         EM_FLOW_ALLOC_INPUT_EN_DST_PORT;
 480
 481                         if (udp_mask->hdr.dst_port) {
 482                                 filter->dst_port_mask = udp_mask->hdr.dst_port;
 483                                 en |= !use_ntuple ? 0 :
 484                                   NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK;
 485                         }
 486
 487                         if (udp_mask->hdr.src_port) {
 488                                 filter->src_port_mask = udp_mask->hdr.src_port;
 489                                 en |= !use_ntuple ? 0 :
 490                                   NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK;
 491                         }
 492                         break;
 493                 case RTE_FLOW_ITEM_TYPE_VXLAN:
 494                         vxlan_spec = item->spec;
 495                         vxlan_mask = item->mask;
 496                         /* Check if VXLAN item is used to describe protocol.
 497                          * If yes, both spec and mask should be NULL.
 498                          * If no, both spec and mask shouldn't be NULL.
 499                          */
 500                         if ((!vxlan_spec && vxlan_mask) ||
 501                             (vxlan_spec && !vxlan_mask)) {
 502                                 rte_flow_error_set(error,
 503                                                    EINVAL,
 504                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 505                                                    item,
 506                                                    "Invalid VXLAN item");
 507                                 return -rte_errno;
 508                         }
 509
 510                         if (!vxlan_spec && !vxlan_mask) {
 511                                 filter->tunnel_type =
 512                                 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
 513                                 break;
 514                         }
 515
 516                         if (vxlan_spec->rsvd1 || vxlan_spec->rsvd0[0] ||
 517                             vxlan_spec->rsvd0[1] || vxlan_spec->rsvd0[2] ||
 518                             vxlan_spec->flags != 0x8) {
 519                                 rte_flow_error_set(error,
 520                                                    EINVAL,
 521                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 522                                                    item,
 523                                                    "Invalid VXLAN item");
 524                                 return -rte_errno;
 525                         }
 526
 527                         /* Check if VNI is masked. */
 528                         if (vxlan_spec && vxlan_mask) {
 529                                 vni_masked =
 530                                         !!memcmp(vxlan_mask->vni, vni_mask,
 531                                                  RTE_DIM(vni_mask));
 532                                 if (vni_masked) {
 533                                         rte_flow_error_set
 534                                                 (error,
 535                                                  EINVAL,
 536                                                  RTE_FLOW_ERROR_TYPE_ITEM,
 537                                                  item,
 538                                                  "Invalid VNI mask");
 539                                         return -rte_errno;
 540                                 }
 541
 542                                 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
 543                                            vxlan_spec->vni, 3);
 544                                 filter->vni =
 545                                         rte_be_to_cpu_32(tenant_id_be);
 546                                 filter->tunnel_type =
 547                                  CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN;
 548                         }
 549                         break;
 550                 case RTE_FLOW_ITEM_TYPE_NVGRE:
 551                         nvgre_spec = item->spec;
 552                         nvgre_mask = item->mask;
 553                         /* Check if NVGRE item is used to describe protocol.
 554                          * If yes, both spec and mask should be NULL.
 555                          * If no, both spec and mask shouldn't be NULL.
 556                          */
 557                         if ((!nvgre_spec && nvgre_mask) ||
 558                             (nvgre_spec && !nvgre_mask)) {
 559                                 rte_flow_error_set(error,
 560                                                    EINVAL,
 561                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 562                                                    item,
 563                                                    "Invalid NVGRE item");
 564                                 return -rte_errno;
 565                         }
 566
 567                         if (!nvgre_spec && !nvgre_mask) {
 568                                 filter->tunnel_type =
 569                                 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
 570                                 break;
 571                         }
 572
 573                         if (nvgre_spec->c_k_s_rsvd0_ver != 0x2000 ||
 574                             nvgre_spec->protocol != 0x6558) {
 575                                 rte_flow_error_set(error,
 576                                                    EINVAL,
 577                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 578                                                    item,
 579                                                    "Invalid NVGRE item");
 580                                 return -rte_errno;
 581                         }
 582
 583                         if (nvgre_spec && nvgre_mask) {
 584                                 tni_masked =
 585                                         !!memcmp(nvgre_mask->tni, tni_mask,
 586                                                  RTE_DIM(tni_mask));
 587                                 if (tni_masked) {
 588                                         rte_flow_error_set
 589                                                 (error,
 590                                                  EINVAL,
 591                                                  RTE_FLOW_ERROR_TYPE_ITEM,
 592                                                  item,
 593                                                  "Invalid TNI mask");
 594                                         return -rte_errno;
 595                                 }
 596                                 rte_memcpy(((uint8_t *)&tenant_id_be + 1),
 597                                            nvgre_spec->tni, 3);
 598                                 filter->vni =
 599                                         rte_be_to_cpu_32(tenant_id_be);
 600                                 filter->tunnel_type =
 601                                  CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE;
 602                         }
 603                         break;
 604
 605                 case RTE_FLOW_ITEM_TYPE_GRE:
 606                         gre_spec = (const struct rte_flow_item_gre *)item->spec;
 607                         gre_mask = (const struct rte_flow_item_gre *)item->mask;
 608
 609                         /*
 610                          *Check if GRE item is used to describe protocol.
 611                          * If yes, both spec and mask should be NULL.
 612                          * If no, both spec and mask shouldn't be NULL.
 613                          */
 614                         if (!!gre_spec ^ !!gre_mask) {
 615                                 rte_flow_error_set(error, EINVAL,
 616                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 617                                                    item,
 618                                                    "Invalid GRE item");
 619                                 return -rte_errno;
 620                         }
 621
 622                         if (!gre_spec && !gre_mask) {
 623                                 filter->tunnel_type =
 624                                 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE;
 625                                 break;
 626                         }
 627                         break;
 628
 629                 case RTE_FLOW_ITEM_TYPE_VF:
 630                         vf_spec = item->spec;
 631                         vf = vf_spec->id;
 632                         if (!BNXT_PF(bp)) {
 633                                 rte_flow_error_set(error,
 634                                                    EINVAL,
 635                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 636                                                    item,
 637                                                    "Configuring on a VF!");
 638                                 return -rte_errno;
 639                         }
 640
 641                         if (vf >= bp->pdev->max_vfs) {
 642                                 rte_flow_error_set(error,
 643                                                    EINVAL,
 644                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 645                                                    item,
 646                                                    "Incorrect VF id!");
 647                                 return -rte_errno;
 648                         }
 649
 650                         if (!attr->transfer) {
 651                                 rte_flow_error_set(error,
 652                                                    ENOTSUP,
 653                                                    RTE_FLOW_ERROR_TYPE_ITEM,
 654                                                    item,
 655                                                    "Matching VF traffic without"
 656                                                    " affecting it (transfer attribute)"
 657                                                    " is unsupported");
 658                                 return -rte_errno;
 659                         }
 660
 661                         filter->mirror_vnic_id =
 662                         dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
 663                         if (dflt_vnic < 0) {
 664                                 /* This simply indicates there's no driver
 665                                  * loaded. This is not an error.
 666                                  */
 667                                 rte_flow_error_set
 668                                         (error,
 669                                          EINVAL,
 670                                          RTE_FLOW_ERROR_TYPE_ITEM,
 671                                          item,
 672                                          "Unable to get default VNIC for VF");
 673                                 return -rte_errno;
 674                         }
 675
 676                         filter->mirror_vnic_id = dflt_vnic;
 677                         en |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
 678                         break;
 679                 default:
 680                         break;
 681                 }
 682                 item++;
 683         }
 684         filter->enables = en;
 685         filter->valid_flags = valid_flags;
 686
 687         return 0;
 688 }
 689
 690 /* Parse attributes */
 691 static int
 692 bnxt_flow_parse_attr(const struct rte_flow_attr *attr,
 693                      struct rte_flow_error *error)
 694 {
 695         /* Must be input direction */
 696         if (!attr->ingress) {
 697                 rte_flow_error_set(error,
 698                                    EINVAL,
 699                                    RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
 700                                    attr,
 701                                    "Only support ingress.");
 702                 return -rte_errno;
 703         }
 704
 705         /* Not supported */
 706         if (attr->egress) {
 707                 rte_flow_error_set(error,
 708                                    EINVAL,
 709                                    RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
 710                                    attr,
 711                                    "No support for egress.");
 712                 return -rte_errno;
 713         }
 714
 715         /* Not supported */
 716         if (attr->priority) {
 717                 rte_flow_error_set(error,
 718                                    EINVAL,
 719                                    RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
 720                                    attr,
 721                                    "No support for priority.");
 722                 return -rte_errno;
 723         }
 724         return 0;
 725 }
 726
 727 static struct bnxt_filter_info *
 728 bnxt_find_matching_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
 729 {
 730         struct bnxt_filter_info *mf, *f0;
 731         struct bnxt_vnic_info *vnic0;
 732         struct rte_flow *flow;
 733         int i;
 734
 735         vnic0 = &bp->vnic_info[0];
 736         f0 = STAILQ_FIRST(&vnic0->filter);
 737
 738         /* This flow has same DST MAC as the port/l2 filter. */
 739         if (memcmp(f0->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN) == 0)
 740                 return f0;
 741
 742         for (i = bp->max_vnics - 1; i >= 0; i--) {
 743                 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
 744
 745                 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
 746                         continue;
 747
 748                 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
 749                         mf = flow->filter;
 750
 751                         if (mf->matching_l2_fltr_ptr)
 752                                 continue;
 753
 754                         if (mf->ethertype == nf->ethertype &&
 755                             mf->l2_ovlan == nf->l2_ovlan &&
 756                             mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
 757                             mf->l2_ivlan == nf->l2_ivlan &&
 758                             mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
 759                             !memcmp(mf->src_macaddr, nf->src_macaddr,
 760                                     RTE_ETHER_ADDR_LEN) &&
 761                             !memcmp(mf->dst_macaddr, nf->dst_macaddr,
 762                                     RTE_ETHER_ADDR_LEN))
 763                                 return mf;
 764                 }
 765         }
 766         return NULL;
 767 }
 768
 769 static struct bnxt_filter_info *
 770 bnxt_create_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
 771                       struct bnxt_vnic_info *vnic)
 772 {
 773         struct bnxt_filter_info *filter1;
 774         int rc;
 775
 776         /* Alloc new L2 filter.
 777          * This flow needs MAC filter which does not match any existing
 778          * L2 filters.
 779          */
 780         filter1 = bnxt_get_unused_filter(bp);
 781         if (filter1 == NULL)
 782                 return NULL;
 783
 784         filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_XDP_DISABLE;
 785         filter1->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX;
 786         if (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
 787             nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG) {
 788                 filter1->flags |=
 789                         HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST;
 790                 PMD_DRV_LOG(DEBUG, "Create Outer filter\n");
 791         }
 792
 793         if (nf->filter_type == HWRM_CFA_L2_FILTER &&
 794             (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG ||
 795              nf->valid_flags & BNXT_FLOW_L2_INNER_SRC_VALID_FLAG)) {
 796                 PMD_DRV_LOG(DEBUG, "Create L2 filter for SRC MAC\n");
 797                 filter1->flags |=
 798                         HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_SOURCE_VALID;
 799                 memcpy(filter1->l2_addr, nf->src_macaddr, RTE_ETHER_ADDR_LEN);
 800         } else {
 801                 PMD_DRV_LOG(DEBUG, "Create L2 filter for DST MAC\n");
 802                 memcpy(filter1->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN);
 803         }
 804
 805         if (nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG ||
 806             nf->valid_flags & BNXT_FLOW_L2_INNER_DST_VALID_FLAG) {
 807                 /* Tell the FW where to place the filter in the table. */
 808                 filter1->pri_hint =
 809                         HWRM_CFA_L2_FILTER_ALLOC_INPUT_PRI_HINT_BELOW_FILTER;
 810                 /* This will place the filter in TCAM */
 811                 filter1->l2_filter_id_hint = (uint64_t)-1;
 812         }
 813
 814         filter1->enables = HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
 815                         L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK;
 816         memset(filter1->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
 817         rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id,
 818                                      filter1);
 819         if (rc) {
 820                 bnxt_free_filter(bp, filter1);
 821                 return NULL;
 822         }
 823         filter1->l2_ref_cnt++;
 824         return filter1;
 825 }
 826
 827 struct bnxt_filter_info *
 828 bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
 829                    struct bnxt_vnic_info *vnic)
 830 {
 831         struct bnxt_filter_info *l2_filter = NULL;
 832
 833         l2_filter = bnxt_find_matching_l2_filter(bp, nf);
 834         if (l2_filter) {
 835                 l2_filter->l2_ref_cnt++;
 836                 nf->matching_l2_fltr_ptr = l2_filter;
 837         } else {
 838                 l2_filter = bnxt_create_l2_filter(bp, nf, vnic);
 839                 nf->matching_l2_fltr_ptr = NULL;
 840         }
 841
 842         return l2_filter;
 843 }
 844
 845 static int bnxt_vnic_prep(struct bnxt *bp, struct bnxt_vnic_info *vnic)
 846 {
 847         struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
 848         uint64_t rx_offloads = dev_conf->rxmode.offloads;
 849         int rc;
 850
 851         rc = bnxt_vnic_grp_alloc(bp, vnic);
 852         if (rc)
 853                 goto ret;
 854
 855         rc = bnxt_hwrm_vnic_alloc(bp, vnic);
 856         if (rc) {
 857                 PMD_DRV_LOG(ERR, "HWRM vnic alloc failure rc: %x\n", rc);
 858                 goto ret;
 859         }
 860         bp->nr_vnics++;
 861
 862         /* RSS context is required only when there is more than one RSS ring */
 863         if (vnic->rx_queue_cnt > 1) {
 864                 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, 0 /* ctx_idx 0 */);
 865                 if (rc) {
 866                         PMD_DRV_LOG(ERR,
 867                                     "HWRM vnic ctx alloc failure: %x\n", rc);
 868                         goto ret;
 869                 }
 870         } else {
 871                 PMD_DRV_LOG(DEBUG, "No RSS context required\n");
 872         }
 873
 874         if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
 875                 vnic->vlan_strip = true;
 876         else
 877                 vnic->vlan_strip = false;
 878
 879         rc = bnxt_hwrm_vnic_cfg(bp, vnic);
 880         if (rc)
 881                 goto ret;
 882
 883         bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
 884
 885 ret:
 886         return rc;
 887 }
 888
 889 static int match_vnic_rss_cfg(struct bnxt *bp,
 890                               struct bnxt_vnic_info *vnic,
 891                               const struct rte_flow_action_rss *rss)
 892 {
 893         unsigned int match = 0, i;
 894
 895         if (vnic->rx_queue_cnt != rss->queue_num)
 896                 return -EINVAL;
 897
 898         for (i = 0; i < rss->queue_num; i++) {
 899                 if (!bp->rx_queues[rss->queue[i]]->vnic->rx_queue_cnt &&
 900                     !bp->rx_queues[rss->queue[i]]->rx_started)
 901                         return -EINVAL;
 902         }
 903
 904         for (i = 0; i < vnic->rx_queue_cnt; i++) {
 905                 int j;
 906
 907                 for (j = 0; j < vnic->rx_queue_cnt; j++) {
 908                         if (bp->grp_info[rss->queue[i]].fw_grp_id ==
 909                             vnic->fw_grp_ids[j])
 910                                 match++;
 911                 }
 912         }
 913
 914         if (match != vnic->rx_queue_cnt) {
 915                 PMD_DRV_LOG(ERR,
 916                             "VNIC queue count %d vs queues matched %d\n",
 917                             match, vnic->rx_queue_cnt);
 918                 return -EINVAL;
 919         }
 920
 921         return 0;
 922 }
 923
 924 static void
 925 bnxt_update_filter_flags_en(struct bnxt_filter_info *filter,
 926                             struct bnxt_filter_info *filter1,
 927                             int use_ntuple)
 928 {
 929         if (!use_ntuple &&
 930             !(filter->valid_flags &
 931               ~(BNXT_FLOW_L2_DST_VALID_FLAG |
 932                 BNXT_FLOW_L2_SRC_VALID_FLAG |
 933                 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
 934                 BNXT_FLOW_L2_INNER_DST_VALID_FLAG))) {
 935                 filter->flags = filter1->flags;
 936                 filter->enables = filter1->enables;
 937                 filter->filter_type = HWRM_CFA_L2_FILTER;
 938                 memcpy(filter->l2_addr, filter1->l2_addr, RTE_ETHER_ADDR_LEN);
 939                 memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
 940                 filter->pri_hint = filter1->pri_hint;
 941                 filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
 942         }
 943         filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
 944         filter->l2_ref_cnt = filter1->l2_ref_cnt;
 945         PMD_DRV_LOG(DEBUG,
 946                 "l2_filter: %p fw_l2_filter_id %" PRIx64 " l2_ref_cnt %u\n",
 947                 filter1, filter->fw_l2_filter_id, filter->l2_ref_cnt);
 948 }
 949
 950 static int
 951 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
 952                              const struct rte_flow_item pattern[],
 953                              const struct rte_flow_action actions[],
 954                              const struct rte_flow_attr *attr,
 955                              struct rte_flow_error *error,
 956                              struct bnxt_filter_info *filter)
 957 {
 958         const struct rte_flow_action *act =
 959                 bnxt_flow_non_void_action(actions);
 960         struct bnxt *bp = dev->data->dev_private;
 961         struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
 962         const struct rte_flow_action_queue *act_q;
 963         const struct rte_flow_action_vf *act_vf;
 964         struct bnxt_filter_info *filter1 = NULL;
 965         const struct rte_flow_action_rss *rss;
 966         struct bnxt_vnic_info *vnic, *vnic0;
 967         struct bnxt_rx_queue *rxq = NULL;
 968         int dflt_vnic, vnic_id;
 969         unsigned int rss_idx;
 970         uint32_t vf = 0, i;
 971         int rc, use_ntuple;
 972
 973         rc =
 974         bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
 975         if (rc != 0)
 976                 goto ret;
 977
 978         rc = bnxt_flow_parse_attr(attr, error);
 979         if (rc != 0)
 980                 goto ret;
 981
 982         /* Since we support ingress attribute only - right now. */
 983         if (filter->filter_type == HWRM_CFA_EM_FILTER)
 984                 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
 985
 986         use_ntuple = bnxt_filter_type_check(pattern, error);
 987         switch (act->type) {
 988         case RTE_FLOW_ACTION_TYPE_QUEUE:
 989                 /* Allow this flow. Redirect to a VNIC. */
 990                 act_q = (const struct rte_flow_action_queue *)act->conf;
 991                 if (!act_q->index || act_q->index >= bp->rx_nr_rings) {
 992                         rte_flow_error_set(error,
 993                                            EINVAL,
 994                                            RTE_FLOW_ERROR_TYPE_ACTION,
 995                                            act,
 996                                            "Invalid queue ID.");
 997                         rc = -rte_errno;
 998                         goto ret;
 999                 }
1000                 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index);
1001
1002                 vnic_id = attr->group;
1003                 if (!vnic_id) {
1004                         PMD_DRV_LOG(DEBUG, "Group id is 0\n");
1005                         vnic_id = act_q->index;
1006                 }
1007
1008                 vnic = &bp->vnic_info[vnic_id];
1009                 if (vnic == NULL) {
1010                         rte_flow_error_set(error,
1011                                            EINVAL,
1012                                            RTE_FLOW_ERROR_TYPE_ACTION,
1013                                            act,
1014                                            "No matching VNIC found.");
1015                         rc = -rte_errno;
1016                         goto ret;
1017                 }
1018                 if (vnic->rx_queue_cnt) {
1019                         if (vnic->start_grp_id != act_q->index) {
1020                                 PMD_DRV_LOG(ERR,
1021                                             "VNIC already in use\n");
1022                                 rte_flow_error_set(error,
1023                                                    EINVAL,
1024                                                    RTE_FLOW_ERROR_TYPE_ACTION,
1025                                                    act,
1026                                                    "VNIC already in use");
1027                                 rc = -rte_errno;
1028                                 goto ret;
1029                         }
1030                         goto use_vnic;
1031                 }
1032
1033                 rxq = bp->rx_queues[act_q->index];
1034
1035                 if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq &&
1036                     vnic->fw_vnic_id != INVALID_HW_RING_ID)
1037                         goto use_vnic;
1038
1039                 //if (!rxq ||
1040                     //bp->vnic_info[0].fw_grp_ids[act_q->index] !=
1041                     //INVALID_HW_RING_ID ||
1042                     //!rxq->rx_deferred_start) {
1043                 if (!rxq ||
1044                     bp->vnic_info[0].fw_grp_ids[act_q->index] !=
1045                     INVALID_HW_RING_ID) {
1046                         PMD_DRV_LOG(ERR,
1047                                     "Queue invalid or used with other VNIC\n");
1048                         rte_flow_error_set(error,
1049                                            EINVAL,
1050                                            RTE_FLOW_ERROR_TYPE_ACTION,
1051                                            act,
1052                                            "Queue invalid queue or in use");
1053                         rc = -rte_errno;
1054                         goto ret;
1055                 }
1056
1057                 rxq->vnic = vnic;
1058                 rxq->rx_started = 1;
1059                 vnic->rx_queue_cnt++;
1060                 vnic->start_grp_id = act_q->index;
1061                 vnic->end_grp_id = act_q->index;
1062                 vnic->func_default = 0; //This is not a default VNIC.
1063
1064                 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1065
1066                 rc = bnxt_vnic_prep(bp, vnic);
1067                 if (rc)
1068                         goto ret;
1069
1070                 PMD_DRV_LOG(DEBUG,
1071                             "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1072                             act_q->index, vnic, vnic->fw_grp_ids);
1073
1074 use_vnic:
1075                 vnic->ff_pool_idx = vnic_id;
1076                 PMD_DRV_LOG(DEBUG,
1077                             "Setting vnic ff_idx %d\n", vnic->ff_pool_idx);
1078                 filter->dst_id = vnic->fw_vnic_id;
1079                 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1080                 if (filter1 == NULL) {
1081                         rc = -ENOSPC;
1082                         goto ret;
1083                 }
1084
1085                 PMD_DRV_LOG(DEBUG, "new fltr: %p l2fltr: %p l2_ref_cnt: %d\n",
1086                             filter, filter1, filter1->l2_ref_cnt);
1087                 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1088                 break;
1089         case RTE_FLOW_ACTION_TYPE_DROP:
1090                 vnic0 = &bp->vnic_info[0];
1091                 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1092                 if (filter1 == NULL) {
1093                         rc = -ENOSPC;
1094                         goto ret;
1095                 }
1096
1097                 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1098                 if (filter->filter_type == HWRM_CFA_EM_FILTER)
1099                         filter->flags =
1100                                 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP;
1101                 else
1102                         filter->flags =
1103                                 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP;
1104                 break;
1105         case RTE_FLOW_ACTION_TYPE_COUNT:
1106                 vnic0 = &bp->vnic_info[0];
1107                 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1108                 if (filter1 == NULL) {
1109                         rc = -ENOSPC;
1110                         goto ret;
1111                 }
1112
1113                 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1114                 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER;
1115                 break;
1116         case RTE_FLOW_ACTION_TYPE_VF:
1117                 act_vf = (const struct rte_flow_action_vf *)act->conf;
1118                 vf = act_vf->id;
1119
1120                 if (filter->tunnel_type ==
1121                     CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN ||
1122                     filter->tunnel_type ==
1123                     CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE) {
1124                         /* If issued on a VF, ensure id is 0 and is trusted */
1125                         if (BNXT_VF(bp)) {
1126                                 if (!BNXT_VF_IS_TRUSTED(bp) || vf) {
1127                                         rte_flow_error_set(error, EINVAL,
1128                                                 RTE_FLOW_ERROR_TYPE_ACTION,
1129                                                 act,
1130                                                 "Incorrect VF");
1131                                         rc = -rte_errno;
1132                                         goto ret;
1133                                 }
1134                         }
1135
1136                         filter->enables |= filter->tunnel_type;
1137                         filter->filter_type = HWRM_CFA_TUNNEL_REDIRECT_FILTER;
1138                         goto done;
1139                 }
1140
1141                 if (vf >= bp->pdev->max_vfs) {
1142                         rte_flow_error_set(error,
1143                                            EINVAL,
1144                                            RTE_FLOW_ERROR_TYPE_ACTION,
1145                                            act,
1146                                            "Incorrect VF id!");
1147                         rc = -rte_errno;
1148                         goto ret;
1149                 }
1150
1151                 filter->mirror_vnic_id =
1152                 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf);
1153                 if (dflt_vnic < 0) {
1154                         /* This simply indicates there's no driver loaded.
1155                          * This is not an error.
1156                          */
1157                         rte_flow_error_set(error,
1158                                            EINVAL,
1159                                            RTE_FLOW_ERROR_TYPE_ACTION,
1160                                            act,
1161                                            "Unable to get default VNIC for VF");
1162                         rc = -rte_errno;
1163                         goto ret;
1164                 }
1165
1166                 filter->mirror_vnic_id = dflt_vnic;
1167                 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID;
1168
1169                 vnic0 = &bp->vnic_info[0];
1170                 filter1 = bnxt_get_l2_filter(bp, filter, vnic0);
1171                 if (filter1 == NULL) {
1172                         rc = -ENOSPC;
1173                         goto ret;
1174                 }
1175
1176                 filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
1177                 break;
1178         case RTE_FLOW_ACTION_TYPE_RSS:
1179                 rss = (const struct rte_flow_action_rss *)act->conf;
1180
1181                 vnic_id = attr->group;
1182                 if (!vnic_id) {
1183                         PMD_DRV_LOG(ERR, "Group id cannot be 0\n");
1184                         rte_flow_error_set(error,
1185                                            EINVAL,
1186                                            RTE_FLOW_ERROR_TYPE_ATTR,
1187                                            NULL,
1188                                            "Group id cannot be 0");
1189                         rc = -rte_errno;
1190                         goto ret;
1191                 }
1192
1193                 vnic = &bp->vnic_info[vnic_id];
1194                 if (vnic == NULL) {
1195                         rte_flow_error_set(error,
1196                                            EINVAL,
1197                                            RTE_FLOW_ERROR_TYPE_ACTION,
1198                                            act,
1199                                            "No matching VNIC for RSS group.");
1200                         rc = -rte_errno;
1201                         goto ret;
1202                 }
1203                 PMD_DRV_LOG(DEBUG, "VNIC found\n");
1204
1205                 /* Check if requested RSS config matches RSS config of VNIC
1206                  * only if it is not a fresh VNIC configuration.
1207                  * Otherwise the existing VNIC configuration can be used.
1208                  */
1209                 if (vnic->rx_queue_cnt) {
1210                         rc = match_vnic_rss_cfg(bp, vnic, rss);
1211                         if (rc) {
1212                                 PMD_DRV_LOG(ERR,
1213                                             "VNIC and RSS config mismatch\n");
1214                                 rte_flow_error_set(error,
1215                                                    EINVAL,
1216                                                    RTE_FLOW_ERROR_TYPE_ACTION,
1217                                                    act,
1218                                                    "VNIC and RSS cfg mismatch");
1219                                 rc = -rte_errno;
1220                                 goto ret;
1221                         }
1222                         goto vnic_found;
1223                 }
1224
1225                 for (i = 0; i < rss->queue_num; i++) {
1226                         PMD_DRV_LOG(DEBUG, "RSS action Queue %d\n",
1227                                     rss->queue[i]);
1228
1229                         if (!rss->queue[i] ||
1230                             rss->queue[i] >= bp->rx_nr_rings ||
1231                             !bp->rx_queues[rss->queue[i]]) {
1232                                 rte_flow_error_set(error,
1233                                                    EINVAL,
1234                                                    RTE_FLOW_ERROR_TYPE_ACTION,
1235                                                    act,
1236                                                    "Invalid queue ID for RSS");
1237                                 rc = -rte_errno;
1238                                 goto ret;
1239                         }
1240                         rxq = bp->rx_queues[rss->queue[i]];
1241
1242                         //if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
1243                             //INVALID_HW_RING_ID ||
1244                             //!rxq->rx_deferred_start) {
1245                         if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
1246                             INVALID_HW_RING_ID) {
1247                                 PMD_DRV_LOG(ERR,
1248                                             "queue active with other VNIC\n");
1249                                 rte_flow_error_set(error,
1250                                                    EINVAL,
1251                                                    RTE_FLOW_ERROR_TYPE_ACTION,
1252                                                    act,
1253                                                    "Invalid queue ID for RSS");
1254                                 rc = -rte_errno;
1255                                 goto ret;
1256                         }
1257
1258                         rxq->vnic = vnic;
1259                         rxq->rx_started = 1;
1260                         vnic->rx_queue_cnt++;
1261                 }
1262
1263                 vnic->start_grp_id = rss->queue[0];
1264                 vnic->end_grp_id = rss->queue[rss->queue_num - 1];
1265                 vnic->func_default = 0; //This is not a default VNIC.
1266
1267                 rc = bnxt_vnic_prep(bp, vnic);
1268                 if (rc)
1269                         goto ret;
1270
1271                 PMD_DRV_LOG(DEBUG,
1272                             "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
1273                             vnic_id, vnic, vnic->fw_grp_ids);
1274
1275                 vnic->ff_pool_idx = vnic_id;
1276                 PMD_DRV_LOG(DEBUG,
1277                             "Setting vnic ff_pool_idx %d\n", vnic->ff_pool_idx);
1278
1279                 /* This can be done only after vnic_grp_alloc is done. */
1280                 for (i = 0; i < vnic->rx_queue_cnt; i++) {
1281                         vnic->fw_grp_ids[i] =
1282                                 bp->grp_info[rss->queue[i]].fw_grp_id;
1283                         /* Make sure vnic0 does not use these rings. */
1284                         bp->vnic_info[0].fw_grp_ids[rss->queue[i]] =
1285                                 INVALID_HW_RING_ID;
1286                 }
1287
1288                 for (rss_idx = 0; rss_idx < HW_HASH_INDEX_SIZE; ) {
1289                         for (i = 0; i < vnic->rx_queue_cnt; i++)
1290                                 vnic->rss_table[rss_idx++] =
1291                                         vnic->fw_grp_ids[i];
1292                 }
1293
1294                 /* Configure RSS only if the queue count is > 1 */
1295                 if (vnic->rx_queue_cnt > 1) {
1296                         vnic->hash_type =
1297                                 bnxt_rte_to_hwrm_hash_types(rss->types);
1298
1299                         if (!rss->key_len) {
1300                                 /* If hash key has not been specified,
1301                                  * use random hash key.
1302                                  */
1303                                 prandom_bytes(vnic->rss_hash_key,
1304                                               HW_HASH_KEY_SIZE);
1305                         } else {
1306                                 if (rss->key_len > HW_HASH_KEY_SIZE)
1307                                         memcpy(vnic->rss_hash_key,
1308                                                rss->key,
1309                                                HW_HASH_KEY_SIZE);
1310                                 else
1311                                         memcpy(vnic->rss_hash_key,
1312                                                rss->key,
1313                                                rss->key_len);
1314                         }
1315                         bnxt_hwrm_vnic_rss_cfg(bp, vnic);
1316                 } else {
1317                         PMD_DRV_LOG(DEBUG, "No RSS config required\n");
1318                 }
1319
1320 vnic_found:
1321                 filter->dst_id = vnic->fw_vnic_id;
1322                 filter1 = bnxt_get_l2_filter(bp, filter, vnic);
1323                 if (filter1 == NULL) {
1324                         rc = -ENOSPC;
1325                         goto ret;
1326                 }
1327
1328                 PMD_DRV_LOG(DEBUG, "L2 filter created\n");
1329                 bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
1330                 break;
1331         default:
1332                 rte_flow_error_set(error,
1333                                    EINVAL,
1334                                    RTE_FLOW_ERROR_TYPE_ACTION,
1335                                    act,
1336                                    "Invalid action.");
1337                 rc = -rte_errno;
1338                 goto ret;
1339         }
1340
1341         if (filter1 && !filter->matching_l2_fltr_ptr) {
1342                 bnxt_free_filter(bp, filter1);
1343                 filter1->fw_l2_filter_id = -1;
1344         }
1345
1346 done:
1347         act = bnxt_flow_non_void_action(++act);
1348         if (act->type != RTE_FLOW_ACTION_TYPE_END) {
1349                 rte_flow_error_set(error,
1350                                    EINVAL,
1351                                    RTE_FLOW_ERROR_TYPE_ACTION,
1352                                    act,
1353                                    "Invalid action.");
1354                 rc = -rte_errno;
1355                 goto ret;
1356         }
1357 ret:
1358         return rc;
1359 }
1360
1361 static int
1362 bnxt_flow_validate(struct rte_eth_dev *dev,
1363                    const struct rte_flow_attr *attr,
1364                    const struct rte_flow_item pattern[],
1365                    const struct rte_flow_action actions[],
1366                    struct rte_flow_error *error)
1367 {
1368         struct bnxt *bp = dev->data->dev_private;
1369         struct bnxt_filter_info *filter;
1370         int ret = 0;
1371
1372         ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1373         if (ret != 0)
1374                 return ret;
1375
1376         filter = bnxt_get_unused_filter(bp);
1377         if (filter == NULL) {
1378                 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1379                 return -ENOMEM;
1380         }
1381
1382         ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1383                                            error, filter);
1384         /* No need to hold on to this filter if we are just validating flow */
1385         filter->fw_l2_filter_id = UINT64_MAX;
1386         bnxt_free_filter(bp, filter);
1387
1388         return ret;
1389 }
1390
1391 static void
1392 bnxt_update_filter(struct bnxt *bp, struct bnxt_filter_info *old_filter,
1393                    struct bnxt_filter_info *new_filter)
1394 {
1395         /* Clear the new L2 filter that was created in the previous step in
1396          * bnxt_validate_and_parse_flow. For L2 filters, we will use the new
1397          * filter which points to the new destination queue and so we clear
1398          * the previous L2 filter. For ntuple filters, we are going to reuse
1399          * the old L2 filter and create new NTUPLE filter with this new
1400          * destination queue subsequently during bnxt_flow_create.
1401          */
1402         if (new_filter->filter_type == HWRM_CFA_L2_FILTER) {
1403                 bnxt_hwrm_clear_l2_filter(bp, old_filter);
1404                 bnxt_hwrm_set_l2_filter(bp, new_filter->dst_id, new_filter);
1405         } else {
1406                 if (new_filter->filter_type == HWRM_CFA_EM_FILTER)
1407                         bnxt_hwrm_clear_em_filter(bp, old_filter);
1408                 if (new_filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1409                         bnxt_hwrm_clear_ntuple_filter(bp, old_filter);
1410         }
1411 }
1412
1413 static int
1414 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
1415 {
1416         struct bnxt_filter_info *mf;
1417         struct rte_flow *flow;
1418         int i;
1419
1420         for (i = bp->max_vnics; i >= 0; i--) {
1421                 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
1422
1423                 if (vnic->fw_vnic_id == INVALID_VNIC_ID)
1424                         continue;
1425
1426                 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1427                         mf = flow->filter;
1428
1429                         if (mf->filter_type == nf->filter_type &&
1430                             mf->flags == nf->flags &&
1431                             mf->src_port == nf->src_port &&
1432                             mf->src_port_mask == nf->src_port_mask &&
1433                             mf->dst_port == nf->dst_port &&
1434                             mf->dst_port_mask == nf->dst_port_mask &&
1435                             mf->ip_protocol == nf->ip_protocol &&
1436                             mf->ip_addr_type == nf->ip_addr_type &&
1437                             mf->ethertype == nf->ethertype &&
1438                             mf->vni == nf->vni &&
1439                             mf->tunnel_type == nf->tunnel_type &&
1440                             mf->l2_ovlan == nf->l2_ovlan &&
1441                             mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
1442                             mf->l2_ivlan == nf->l2_ivlan &&
1443                             mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
1444                             !memcmp(mf->l2_addr, nf->l2_addr,
1445                                     RTE_ETHER_ADDR_LEN) &&
1446                             !memcmp(mf->l2_addr_mask, nf->l2_addr_mask,
1447                                     RTE_ETHER_ADDR_LEN) &&
1448                             !memcmp(mf->src_macaddr, nf->src_macaddr,
1449                                     RTE_ETHER_ADDR_LEN) &&
1450                             !memcmp(mf->dst_macaddr, nf->dst_macaddr,
1451                                     RTE_ETHER_ADDR_LEN) &&
1452                             !memcmp(mf->src_ipaddr, nf->src_ipaddr,
1453                                     sizeof(nf->src_ipaddr)) &&
1454                             !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask,
1455                                     sizeof(nf->src_ipaddr_mask)) &&
1456                             !memcmp(mf->dst_ipaddr, nf->dst_ipaddr,
1457                                     sizeof(nf->dst_ipaddr)) &&
1458                             !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask,
1459                                     sizeof(nf->dst_ipaddr_mask))) {
1460                                 if (mf->dst_id == nf->dst_id)
1461                                         return -EEXIST;
1462                                 /* Free the old filter, update flow
1463                                  * with new filter
1464                                  */
1465                                 bnxt_update_filter(bp, mf, nf);
1466                                 STAILQ_REMOVE(&vnic->filter, mf,
1467                                               bnxt_filter_info, next);
1468                                 STAILQ_INSERT_TAIL(&vnic->filter, nf, next);
1469                                 bnxt_free_filter(bp, mf);
1470                                 flow->filter = nf;
1471                                 return -EXDEV;
1472                         }
1473                 }
1474         }
1475         return 0;
1476 }
1477
1478 static struct rte_flow *
1479 bnxt_flow_create(struct rte_eth_dev *dev,
1480                  const struct rte_flow_attr *attr,
1481                  const struct rte_flow_item pattern[],
1482                  const struct rte_flow_action actions[],
1483                  struct rte_flow_error *error)
1484 {
1485         struct bnxt *bp = dev->data->dev_private;
1486         struct bnxt_vnic_info *vnic = NULL;
1487         struct bnxt_filter_info *filter;
1488         bool update_flow = false;
1489         struct rte_flow *flow;
1490         unsigned int i;
1491         int ret = 0;
1492         uint32_t tun_type;
1493
1494         if (BNXT_VF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
1495                 rte_flow_error_set(error, EINVAL,
1496                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1497                                    "Failed to create flow, Not a Trusted VF!");
1498                 return NULL;
1499         }
1500
1501         flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0);
1502         if (!flow) {
1503                 rte_flow_error_set(error, ENOMEM,
1504                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1505                                    "Failed to allocate memory");
1506                 return flow;
1507         }
1508
1509         ret = bnxt_flow_args_validate(attr, pattern, actions, error);
1510         if (ret != 0) {
1511                 PMD_DRV_LOG(ERR, "Not a validate flow.\n");
1512                 goto free_flow;
1513         }
1514
1515         filter = bnxt_get_unused_filter(bp);
1516         if (filter == NULL) {
1517                 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
1518                 goto free_flow;
1519         }
1520
1521         ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr,
1522                                            error, filter);
1523         if (ret != 0)
1524                 goto free_filter;
1525
1526         ret = bnxt_match_filter(bp, filter);
1527         if (ret == -EEXIST) {
1528                 PMD_DRV_LOG(DEBUG, "Flow already exists.\n");
1529                 /* Clear the filter that was created as part of
1530                  * validate_and_parse_flow() above
1531                  */
1532                 bnxt_hwrm_clear_l2_filter(bp, filter);
1533                 goto free_filter;
1534         } else if (ret == -EXDEV) {
1535                 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n");
1536                 PMD_DRV_LOG(DEBUG, "Updating with different destination\n");
1537                 update_flow = true;
1538         }
1539
1540         /* If tunnel redirection to a VF/PF is specified then only tunnel_type
1541          * is set and enable is set to the tunnel type. Issue hwrm cmd directly
1542          * in such a case.
1543          */
1544         if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1545             filter->enables == filter->tunnel_type) {
1546                 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1547                 if (ret) {
1548                         rte_flow_error_set(error, -ret,
1549                                            RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1550                                            "Unable to query tunnel to VF");
1551                         goto free_filter;
1552                 }
1553                 if (tun_type == (1U << filter->tunnel_type)) {
1554                         ret =
1555                         bnxt_hwrm_tunnel_redirect_free(bp,
1556                                                        filter->tunnel_type);
1557                         if (ret) {
1558                                 PMD_DRV_LOG(ERR,
1559                                             "Unable to free existing tunnel\n");
1560                                 rte_flow_error_set(error, -ret,
1561                                                    RTE_FLOW_ERROR_TYPE_HANDLE,
1562                                                    NULL,
1563                                                    "Unable to free preexisting "
1564                                                    "tunnel on VF");
1565                                 goto free_filter;
1566                         }
1567                 }
1568                 ret = bnxt_hwrm_tunnel_redirect(bp, filter->tunnel_type);
1569                 if (ret) {
1570                         rte_flow_error_set(error, -ret,
1571                                            RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1572                                            "Unable to redirect tunnel to VF");
1573                         goto free_filter;
1574                 }
1575                 vnic = &bp->vnic_info[0];
1576                 goto done;
1577         }
1578
1579         if (filter->filter_type == HWRM_CFA_EM_FILTER) {
1580                 filter->enables |=
1581                         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1582                 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter);
1583         }
1584
1585         if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
1586                 filter->enables |=
1587                         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID;
1588                 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter);
1589         }
1590
1591         for (i = 0; i < bp->max_vnics; i++) {
1592                 vnic = &bp->vnic_info[i];
1593                 if (vnic->fw_vnic_id != INVALID_VNIC_ID &&
1594                     filter->dst_id == vnic->fw_vnic_id) {
1595                         PMD_DRV_LOG(ERR, "Found matching VNIC Id %d\n",
1596                                     vnic->ff_pool_idx);
1597                         break;
1598                 }
1599         }
1600 done:
1601         if (!ret || update_flow) {
1602                 flow->filter = filter;
1603                 flow->vnic = vnic;
1604                 /* VNIC is set only in case of queue or RSS action */
1605                 if (vnic) {
1606                         /*
1607                          * RxQ0 is not used for flow filters.
1608                          */
1609
1610                         if (update_flow) {
1611                                 ret = -EXDEV;
1612                                 goto free_flow;
1613                         }
1614                         STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
1615                 }
1616                 PMD_DRV_LOG(ERR, "Successfully created flow.\n");
1617                 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1618                 return flow;
1619         }
1620         if (!ret) {
1621                 flow->filter = filter;
1622                 flow->vnic = vnic;
1623                 if (update_flow) {
1624                         ret = -EXDEV;
1625                         goto free_flow;
1626                 }
1627                 PMD_DRV_LOG(ERR, "Successfully created flow.\n");
1628                 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next);
1629                 return flow;
1630         }
1631 free_filter:
1632         bnxt_free_filter(bp, filter);
1633 free_flow:
1634         if (ret == -EEXIST)
1635                 rte_flow_error_set(error, ret,
1636                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1637                                    "Matching Flow exists.");
1638         else if (ret == -EXDEV)
1639                 rte_flow_error_set(error, 0,
1640                                    RTE_FLOW_ERROR_TYPE_NONE, NULL,
1641                                    "Flow with pattern exists, updating destination queue");
1642         else if (!rte_errno)
1643                 rte_flow_error_set(error, -ret,
1644                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1645                                    "Failed to create flow.");
1646         rte_free(flow);
1647         flow = NULL;
1648         return flow;
1649 }
1650
1651 static int bnxt_handle_tunnel_redirect_destroy(struct bnxt *bp,
1652                                                struct bnxt_filter_info *filter,
1653                                                struct rte_flow_error *error)
1654 {
1655         uint16_t tun_dst_fid;
1656         uint32_t tun_type;
1657         int ret = 0;
1658
1659         ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type);
1660         if (ret) {
1661                 rte_flow_error_set(error, -ret,
1662                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1663                                    "Unable to query tunnel to VF");
1664                 return ret;
1665         }
1666         if (tun_type == (1U << filter->tunnel_type)) {
1667                 ret = bnxt_hwrm_tunnel_redirect_info(bp, filter->tunnel_type,
1668                                                      &tun_dst_fid);
1669                 if (ret) {
1670                         rte_flow_error_set(error, -ret,
1671                                            RTE_FLOW_ERROR_TYPE_HANDLE,
1672                                            NULL,
1673                                            "tunnel_redirect info cmd fail");
1674                         return ret;
1675                 }
1676                 PMD_DRV_LOG(INFO, "Pre-existing tunnel fid = %x vf->fid = %x\n",
1677                             tun_dst_fid + bp->first_vf_id, bp->fw_fid);
1678
1679                 /* Tunnel doesn't belong to this VF, so don't send HWRM
1680                  * cmd, just delete the flow from driver
1681                  */
1682                 if (bp->fw_fid != (tun_dst_fid + bp->first_vf_id))
1683                         PMD_DRV_LOG(ERR,
1684                                     "Tunnel does not belong to this VF, skip hwrm_tunnel_redirect_free\n");
1685                 else
1686                         ret = bnxt_hwrm_tunnel_redirect_free(bp,
1687                                                         filter->tunnel_type);
1688         }
1689         return ret;
1690 }
1691
1692 static int
1693 bnxt_flow_destroy(struct rte_eth_dev *dev,
1694                   struct rte_flow *flow,
1695                   struct rte_flow_error *error)
1696 {
1697         struct bnxt *bp = dev->data->dev_private;
1698         struct bnxt_filter_info *filter = flow->filter;
1699         struct bnxt_vnic_info *vnic = flow->vnic;
1700         int ret = 0;
1701
1702         if (!filter) {
1703                 ret = -EINVAL;
1704                 goto done;
1705         }
1706
1707         if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1708             filter->enables == filter->tunnel_type) {
1709                 ret = bnxt_handle_tunnel_redirect_destroy(bp,
1710                                                           filter,
1711                                                           error);
1712                 if (!ret)
1713                         goto done;
1714                 else
1715                         return ret;
1716         }
1717
1718         ret = bnxt_match_filter(bp, filter);
1719         if (ret == 0)
1720                 PMD_DRV_LOG(ERR, "Could not find matching flow\n");
1721         if (filter->filter_type == HWRM_CFA_EM_FILTER)
1722                 ret = bnxt_hwrm_clear_em_filter(bp, filter);
1723         if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1724                 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
1725         ret = bnxt_hwrm_clear_l2_filter(bp, filter);
1726
1727 done:
1728         if (!ret) {
1729                 bnxt_free_filter(bp, filter);
1730                 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
1731                 rte_free(flow);
1732         } else {
1733                 rte_flow_error_set(error, -ret,
1734                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1735                                    "Failed to destroy flow.");
1736         }
1737
1738         return ret;
1739 }
1740
1741 static int
1742 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
1743 {
1744         struct bnxt *bp = dev->data->dev_private;
1745         struct bnxt_vnic_info *vnic;
1746         struct rte_flow *flow;
1747         unsigned int i;
1748         int ret = 0;
1749
1750         for (i = 0; i < bp->nr_vnics; i++) {
1751                 vnic = &bp->vnic_info[i];
1752                 STAILQ_FOREACH(flow, &vnic->flow_list, next) {
1753                         struct bnxt_filter_info *filter = flow->filter;
1754
1755                         if (filter->filter_type ==
1756                             HWRM_CFA_TUNNEL_REDIRECT_FILTER &&
1757                             filter->enables == filter->tunnel_type) {
1758                                 ret =
1759                                 bnxt_handle_tunnel_redirect_destroy(bp,
1760                                                                     filter,
1761                                                                     error);
1762                                 if (!ret)
1763                                         goto done;
1764                                 else
1765                                         return ret;
1766                         }
1767
1768                         if (filter->filter_type == HWRM_CFA_EM_FILTER)
1769                                 ret = bnxt_hwrm_clear_em_filter(bp, filter);
1770                         if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
1771                                 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
1772
1773                         if (ret) {
1774                                 rte_flow_error_set
1775                                         (error,
1776                                          -ret,
1777                                          RTE_FLOW_ERROR_TYPE_HANDLE,
1778                                          NULL,
1779                                          "Failed to flush flow in HW.");
1780                                 return -rte_errno;
1781                         }
1782 done:
1783                         bnxt_free_filter(bp, filter);
1784                         STAILQ_REMOVE(&vnic->flow_list, flow,
1785                                       rte_flow, next);
1786                         rte_free(flow);
1787                 }
1788         }
1789
1790         return ret;
1791 }
1792
1793 const struct rte_flow_ops bnxt_flow_ops = {
1794         .validate = bnxt_flow_validate,
1795         .create = bnxt_flow_create,
1796         .destroy = bnxt_flow_destroy,
1797         .flush = bnxt_flow_flush,
1798 };